diff options
Diffstat (limited to 'e2fsprogs')
133 files changed, 0 insertions, 40208 deletions
diff --git a/e2fsprogs/Config.in b/e2fsprogs/Config.in deleted file mode 100644 index 0062b2fe3..000000000 --- a/e2fsprogs/Config.in +++ /dev/null @@ -1,67 +0,0 @@ -# -# For a description of the syntax of this configuration file, -# see scripts/kbuild/config-language.txt. -# - -menu "Linux Ext2 FS Progs" - -config CHATTR - bool "chattr" - default n - help - chattr changes the file attributes on a second extended file system. - -config E2FSCK - bool "e2fsck" - default n - help - e2fsck is used to check Linux second extended file systems (ext2fs). - e2fsck also supports ext2 filesystems countaining a journal (ext3). - The normal compat symlinks 'fsck.ext2' and 'fsck.ext3' are also - provided. - -config FSCK - bool "fsck" - default n - help - fsck is used to check and optionally repair one or more filesystems. - In actuality, fsck is simply a front-end for the various file system - checkers (fsck.fstype) available under Linux. - -config LSATTR - bool "lsattr" - default n - help - lsattr lists the file attributes on a second extended file system. - -config MKE2FS - bool "mke2fs" - default n - help - mke2fs is used to create an ext2/ext3 filesystem. The normal compat - symlinks 'mkfs.ext2' and 'mkfs.ext3' are also provided. - -config TUNE2FS - bool "tune2fs" - default n - help - tune2fs allows the system administrator to adjust various tunable - filesystem parameters on Linux ext2/ext3 filesystems. - -config E2LABEL - bool "e2label" - default n - depends on TUNE2FS - help - e2label will display or change the filesystem label on the ext2 - filesystem located on device. - -config FINDFS - bool "findfs" - default n - depends on TUNE2FS - help - findfs will search the disks in the system looking for a filesystem - which has a label matching label or a UUID equal to uuid. - -endmenu diff --git a/e2fsprogs/Kbuild b/e2fsprogs/Kbuild deleted file mode 100644 index b05bb92e1..000000000 --- a/e2fsprogs/Kbuild +++ /dev/null @@ -1,16 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> -# -# Licensed under the GPL v2, see the file LICENSE in this tarball. - -lib-y:= - -lib-$(CONFIG_CHATTR) += chattr.o -lib-$(CONFIG_E2FSCK) += e2fsck.o util.o -lib-$(CONFIG_FSCK) += fsck.o util.o -lib-$(CONFIG_LSATTR) += lsattr.o -lib-$(CONFIG_MKE2FS) += mke2fs.o util.o -lib-$(CONFIG_TUNE2FS) += tune2fs.o util.o - -CFLAGS += -include $(srctree)/e2fsprogs/e2fsbb.h diff --git a/e2fsprogs/README b/e2fsprogs/README deleted file mode 100644 index fac090193..000000000 --- a/e2fsprogs/README +++ /dev/null @@ -1,3 +0,0 @@ -This is a pretty straight rip from the e2fsprogs pkg. - -See README's in subdirs for specific info. diff --git a/e2fsprogs/blkid/Kbuild b/e2fsprogs/blkid/Kbuild deleted file mode 100644 index ddcfdfd9a..000000000 --- a/e2fsprogs/blkid/Kbuild +++ /dev/null @@ -1,23 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> -# -# Licensed under the GPL v2, see the file LICENSE in this tarball. - -NEEDED-$(CONFIG_E2FSCK) = y -NEEDED-$(CONFIG_FSCK) = y -NEEDED-$(CONFIG_MKE2FS) = y -NEEDED-$(CONFIG_TUNE2FS) = y - -lib-y:= -lib-$(NEEDED-y) += cache.o dev.o devname.o devno.o blkid_getsize.o \ - probe.o read.o resolve.o save.o tag.o list.o - -CFLAGS_dev.o := -include $(srctree)/include/busybox.h -CFLAGS_devname.o := -include $(srctree)/include/busybox.h -CFLAGS_devno.o := -include $(srctree)/include/busybox.h -CFLAGS_blkid_getsize.o := -include $(srctree)/include/busybox.h -CFLAGS_probe.o := -include $(srctree)/include/busybox.h -CFLAGS_save.o := -include $(srctree)/include/busybox.h -CFLAGS_tag.o := -include $(srctree)/include/busybox.h -CFLAGS_list.o := -include $(srctree)/include/busybox.h diff --git a/e2fsprogs/blkid/blkid.h b/e2fsprogs/blkid/blkid.h deleted file mode 100644 index 4fa9f6fdf..000000000 --- a/e2fsprogs/blkid/blkid.h +++ /dev/null @@ -1,105 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * blkid.h - Interface for libblkid, a library to identify block devices - * - * Copyright (C) 2001 Andreas Dilger - * Copyright (C) 2003 Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#ifndef _BLKID_BLKID_H -#define _BLKID_BLKID_H - -#include <sys/types.h> -#include <linux/types.h> - -#ifdef __cplusplus -extern "C" { -#endif - -#define BLKID_VERSION "1.0.0" -#define BLKID_DATE "12-Feb-2003" - -typedef struct blkid_struct_dev *blkid_dev; -typedef struct blkid_struct_cache *blkid_cache; -typedef __s64 blkid_loff_t; - -typedef struct blkid_struct_tag_iterate *blkid_tag_iterate; -typedef struct blkid_struct_dev_iterate *blkid_dev_iterate; - -/* - * Flags for blkid_get_dev - * - * BLKID_DEV_CREATE Create an empty device structure if not found - * in the cache. - * BLKID_DEV_VERIFY Make sure the device structure corresponds - * with reality. - * BLKID_DEV_FIND Just look up a device entry, and return NULL - * if it is not found. - * BLKID_DEV_NORMAL Get a valid device structure, either from the - * cache or by probing the device. - */ -#define BLKID_DEV_FIND 0x0000 -#define BLKID_DEV_CREATE 0x0001 -#define BLKID_DEV_VERIFY 0x0002 -#define BLKID_DEV_NORMAL (BLKID_DEV_CREATE | BLKID_DEV_VERIFY) - -/* cache.c */ -extern void blkid_put_cache(blkid_cache cache); -extern int blkid_get_cache(blkid_cache *cache, const char *filename); - -/* dev.c */ -extern const char *blkid_dev_devname(blkid_dev dev); - -extern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache); -extern int blkid_dev_set_search(blkid_dev_iterate iter, - char *search_type, char *search_value); -extern int blkid_dev_next(blkid_dev_iterate iterate, blkid_dev *dev); -extern void blkid_dev_iterate_end(blkid_dev_iterate iterate); - -/* devno.c */ -extern char *blkid_devno_to_devname(dev_t devno); - -/* devname.c */ -extern int blkid_probe_all(blkid_cache cache); -extern int blkid_probe_all_new(blkid_cache cache); -extern blkid_dev blkid_get_dev(blkid_cache cache, const char *devname, - int flags); - -/* getsize.c */ -extern blkid_loff_t blkid_get_dev_size(int fd); - -/* probe.c */ -int blkid_known_fstype(const char *fstype); -extern blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev); - -/* read.c */ - -/* resolve.c */ -extern char *blkid_get_tag_value(blkid_cache cache, const char *tagname, - const char *devname); -extern char *blkid_get_devname(blkid_cache cache, const char *token, - const char *value); - -/* tag.c */ -extern blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev); -extern int blkid_tag_next(blkid_tag_iterate iterate, - const char **type, const char **value); -extern void blkid_tag_iterate_end(blkid_tag_iterate iterate); -extern int blkid_dev_has_tag(blkid_dev dev, const char *type, - const char *value); -extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache, - const char *type, - const char *value); -extern int blkid_parse_tag_string(const char *token, char **ret_type, - char **ret_val); - -#ifdef __cplusplus -} -#endif - -#endif /* _BLKID_BLKID_H */ diff --git a/e2fsprogs/blkid/blkidP.h b/e2fsprogs/blkid/blkidP.h deleted file mode 100644 index c7cb8abe9..000000000 --- a/e2fsprogs/blkid/blkidP.h +++ /dev/null @@ -1,187 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * blkidP.h - Internal interfaces for libblkid - * - * Copyright (C) 2001 Andreas Dilger - * Copyright (C) 2003 Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#ifndef _BLKID_BLKIDP_H -#define _BLKID_BLKIDP_H - -#include <sys/types.h> -#include <stdio.h> - -#include "blkid.h" -#include "list.h" - -#ifdef __GNUC__ -#define __BLKID_ATTR(x) __attribute__(x) -#else -#define __BLKID_ATTR(x) -#endif - - -/* - * This describes the attributes of a specific device. - * We can traverse all of the tags by bid_tags (linking to the tag bit_names). - * The bid_label and bid_uuid fields are shortcuts to the LABEL and UUID tag - * values, if they exist. - */ -struct blkid_struct_dev -{ - struct list_head bid_devs; /* All devices in the cache */ - struct list_head bid_tags; /* All tags for this device */ - blkid_cache bid_cache; /* Dev belongs to this cache */ - char *bid_name; /* Device inode pathname */ - char *bid_type; /* Preferred device TYPE */ - int bid_pri; /* Device priority */ - dev_t bid_devno; /* Device major/minor number */ - time_t bid_time; /* Last update time of device */ - unsigned int bid_flags; /* Device status bitflags */ - char *bid_label; /* Shortcut to device LABEL */ - char *bid_uuid; /* Shortcut to binary UUID */ -}; - -#define BLKID_BID_FL_VERIFIED 0x0001 /* Device data validated from disk */ -#define BLKID_BID_FL_INVALID 0x0004 /* Device is invalid */ - -/* - * Each tag defines a NAME=value pair for a particular device. The tags - * are linked via bit_names for a single device, so that traversing the - * names list will get you a list of all tags associated with a device. - * They are also linked via bit_values for all devices, so one can easily - * search all tags with a given NAME for a specific value. - */ -struct blkid_struct_tag -{ - struct list_head bit_tags; /* All tags for this device */ - struct list_head bit_names; /* All tags with given NAME */ - char *bit_name; /* NAME of tag (shared) */ - char *bit_val; /* value of tag */ - blkid_dev bit_dev; /* pointer to device */ -}; -typedef struct blkid_struct_tag *blkid_tag; - -/* - * Minimum number of seconds between device probes, even when reading - * from the cache. This is to avoid re-probing all devices which were - * just probed by another program that does not share the cache. - */ -#define BLKID_PROBE_MIN 2 - -/* - * Time in seconds an entry remains verified in the in-memory cache - * before being reverified (in case of long-running processes that - * keep a cache in memory and continue to use it for a long time). - */ -#define BLKID_PROBE_INTERVAL 200 - -/* This describes an entire blkid cache file and probed devices. - * We can traverse all of the found devices via bic_list. - * We can traverse all of the tag types by bic_tags, which hold empty tags - * for each tag type. Those tags can be used as list_heads for iterating - * through all devices with a specific tag type (e.g. LABEL). - */ -struct blkid_struct_cache -{ - struct list_head bic_devs; /* List head of all devices */ - struct list_head bic_tags; /* List head of all tag types */ - time_t bic_time; /* Last probe time */ - time_t bic_ftime; /* Mod time of the cachefile */ - unsigned int bic_flags; /* Status flags of the cache */ - char *bic_filename; /* filename of cache */ -}; - -#define BLKID_BIC_FL_PROBED 0x0002 /* We probed /proc/partition devices */ -#define BLKID_BIC_FL_CHANGED 0x0004 /* Cache has changed from disk */ - -extern char *blkid_strdup(const char *s); -extern char *blkid_strndup(const char *s, const int length); - -#define BLKID_CACHE_FILE "/etc/blkid.tab" -extern const char *blkid_devdirs[]; - -#define BLKID_ERR_IO 5 -#define BLKID_ERR_PROC 9 -#define BLKID_ERR_MEM 12 -#define BLKID_ERR_CACHE 14 -#define BLKID_ERR_DEV 19 -#define BLKID_ERR_PARAM 22 -#define BLKID_ERR_BIG 27 - -/* - * Priority settings for different types of devices - */ -#define BLKID_PRI_EVMS 30 -#define BLKID_PRI_LVM 20 -#define BLKID_PRI_MD 10 - -#if defined(TEST_PROGRAM) && !defined(CONFIG_BLKID_DEBUG) -#define CONFIG_BLKID_DEBUG -#endif - -#define DEBUG_CACHE 0x0001 -#define DEBUG_DUMP 0x0002 -#define DEBUG_DEV 0x0004 -#define DEBUG_DEVNAME 0x0008 -#define DEBUG_DEVNO 0x0010 -#define DEBUG_PROBE 0x0020 -#define DEBUG_READ 0x0040 -#define DEBUG_RESOLVE 0x0080 -#define DEBUG_SAVE 0x0100 -#define DEBUG_TAG 0x0200 -#define DEBUG_INIT 0x8000 -#define DEBUG_ALL 0xFFFF - -#ifdef CONFIG_BLKID_DEBUG -#include <stdio.h> -extern int blkid_debug_mask; -#define DBG(m,x) if ((m) & blkid_debug_mask) x; -#else -#define DBG(m,x) -#endif - -#ifdef CONFIG_BLKID_DEBUG -extern void blkid_debug_dump_dev(blkid_dev dev); -extern void blkid_debug_dump_tag(blkid_tag tag); -#endif - -/* lseek.c */ -/* extern blkid_loff_t blkid_llseek(int fd, blkid_loff_t offset, int whence); */ -#ifdef CONFIG_LFS -# define blkid_llseek lseek64 -#else -# define blkid_llseek lseek -#endif - -/* read.c */ -extern void blkid_read_cache(blkid_cache cache); - -/* save.c */ -extern int blkid_flush_cache(blkid_cache cache); - -/* - * Functions to create and find a specific tag type: tag.c - */ -extern void blkid_free_tag(blkid_tag tag); -extern blkid_tag blkid_find_tag_dev(blkid_dev dev, const char *type); -extern int blkid_set_tag(blkid_dev dev, const char *name, - const char *value, const int vlength); - -/* - * Functions to create and find a specific tag type: dev.c - */ -extern blkid_dev blkid_new_dev(void); -extern void blkid_free_dev(blkid_dev dev); - -#ifdef __cplusplus -} -#endif - -#endif /* _BLKID_BLKIDP_H */ diff --git a/e2fsprogs/blkid/blkid_getsize.c b/e2fsprogs/blkid/blkid_getsize.c deleted file mode 100644 index 941efa42c..000000000 --- a/e2fsprogs/blkid/blkid_getsize.c +++ /dev/null @@ -1,179 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * getsize.c --- get the size of a partition. - * - * Copyright (C) 1995, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -/* include this before sys/queues.h! */ -#include "blkidP.h" - -#include <stdio.h> -#include <unistd.h> -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#ifdef HAVE_LINUX_FD_H -#include <linux/fd.h> -#endif -#ifdef HAVE_SYS_DISKLABEL_H -#include <sys/disklabel.h> -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_DISK_H -#ifdef HAVE_SYS_QUEUE_H -#include <sys/queue.h> /* for LIST_HEAD */ -#endif -#include <sys/disk.h> -#endif -#ifdef __linux__ -#include <sys/utsname.h> -#endif - -#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE) -#define BLKGETSIZE _IO(0x12,96) /* return device size */ -#endif - -#if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64) -#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ -#endif - -#ifdef APPLE_DARWIN -#define BLKGETSIZE DKIOCGETBLOCKCOUNT32 -#endif /* APPLE_DARWIN */ - -static int valid_offset(int fd, blkid_loff_t offset) -{ - char ch; - - if (blkid_llseek(fd, offset, 0) < 0) - return 0; - if (read(fd, &ch, 1) < 1) - return 0; - return 1; -} - -/* - * Returns the number of blocks in a partition - */ -blkid_loff_t blkid_get_dev_size(int fd) -{ - int valid_blkgetsize64 = 1; -#ifdef __linux__ - struct utsname ut; -#endif - unsigned long long size64; - unsigned long size; - blkid_loff_t high, low; -#ifdef FDGETPRM - struct floppy_struct this_floppy; -#endif -#ifdef HAVE_SYS_DISKLABEL_H - int part = -1; - struct disklabel lab; - struct partition *pp; - char ch; - struct stat st; -#endif /* HAVE_SYS_DISKLABEL_H */ - -#ifdef DKIOCGETBLOCKCOUNT /* For Apple Darwin */ - if (ioctl(fd, DKIOCGETBLOCKCOUNT, &size64) >= 0) { - if ((sizeof(blkid_loff_t) < sizeof(unsigned long long)) - && (size64 << 9 > 0xFFFFFFFF)) - return 0; /* EFBIG */ - return (blkid_loff_t) size64 << 9; - } -#endif - -#ifdef BLKGETSIZE64 -#ifdef __linux__ - if ((uname(&ut) == 0) && - ((ut.release[0] == '2') && (ut.release[1] == '.') && - (ut.release[2] < '6') && (ut.release[3] == '.'))) - valid_blkgetsize64 = 0; -#endif - if (valid_blkgetsize64 && - ioctl(fd, BLKGETSIZE64, &size64) >= 0) { - if ((sizeof(blkid_loff_t) < sizeof(unsigned long long)) - && ((size64) > 0xFFFFFFFF)) - return 0; /* EFBIG */ - return size64; - } -#endif - -#ifdef BLKGETSIZE - if (ioctl(fd, BLKGETSIZE, &size) >= 0) - return (blkid_loff_t)size << 9; -#endif - -#ifdef FDGETPRM - if (ioctl(fd, FDGETPRM, &this_floppy) >= 0) - return (blkid_loff_t)this_floppy.size << 9; -#endif -#ifdef HAVE_SYS_DISKLABEL_H -#if 0 - /* - * This should work in theory but I haven't tested it. Anyone - * on a BSD system want to test this for me? In the meantime, - * binary search mechanism should work just fine. - */ - if ((fstat(fd, &st) >= 0) && S_ISBLK(st.st_mode)) - part = st.st_rdev & 7; - if (part >= 0 && (ioctl(fd, DIOCGDINFO, (char *)&lab) >= 0)) { - pp = &lab.d_partitions[part]; - if (pp->p_size) - return pp->p_size << 9; - } -#endif -#endif /* HAVE_SYS_DISKLABEL_H */ - - /* - * OK, we couldn't figure it out by using a specialized ioctl, - * which is generally the best way. So do binary search to - * find the size of the partition. - */ - low = 0; - for (high = 1024; valid_offset(fd, high); high *= 2) - low = high; - while (low < high - 1) - { - const blkid_loff_t mid = (low + high) / 2; - - if (valid_offset(fd, mid)) - low = mid; - else - high = mid; - } - return low + 1; -} - -#ifdef TEST_PROGRAM -int main(int argc, char **argv) -{ - blkid_loff_t bytes; - int fd; - - if (argc < 2) { - fprintf(stderr, "Usage: %s device\n" - "Determine the size of a device\n", argv[0]); - return 1; - } - - if ((fd = open(argv[1], O_RDONLY)) < 0) - perror(argv[0]); - - bytes = blkid_get_dev_size(fd); - printf("Device %s has %lld 1k blocks.\n", argv[1], bytes >> 10); - - return 0; -} -#endif diff --git a/e2fsprogs/blkid/cache.c b/e2fsprogs/blkid/cache.c deleted file mode 100644 index 9bae6fb67..000000000 --- a/e2fsprogs/blkid/cache.c +++ /dev/null @@ -1,126 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * cache.c - allocation/initialization/free routines for cache - * - * Copyright (C) 2001 Andreas Dilger - * Copyright (C) 2003 Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include "blkidP.h" - -int blkid_debug_mask = 0; - -int blkid_get_cache(blkid_cache *ret_cache, const char *filename) -{ - blkid_cache cache; - -#ifdef CONFIG_BLKID_DEBUG - if (!(blkid_debug_mask & DEBUG_INIT)) { - char *dstr = getenv("BLKID_DEBUG"); - - if (dstr) - blkid_debug_mask = strtoul(dstr, 0, 0); - blkid_debug_mask |= DEBUG_INIT; - } -#endif - - DBG(DEBUG_CACHE, printf("creating blkid cache (using %s)\n", - filename ? filename : "default cache")); - - if (!(cache = (blkid_cache) calloc(1, sizeof(struct blkid_struct_cache)))) - return -BLKID_ERR_MEM; - - INIT_LIST_HEAD(&cache->bic_devs); - INIT_LIST_HEAD(&cache->bic_tags); - - if (filename && !strlen(filename)) - filename = 0; - if (!filename && (getuid() == geteuid())) - filename = getenv("BLKID_FILE"); - if (!filename) - filename = BLKID_CACHE_FILE; - cache->bic_filename = blkid_strdup(filename); - - blkid_read_cache(cache); - - *ret_cache = cache; - return 0; -} - -void blkid_put_cache(blkid_cache cache) -{ - if (!cache) - return; - - (void) blkid_flush_cache(cache); - - DBG(DEBUG_CACHE, printf("freeing cache struct\n")); - - /* DBG(DEBUG_CACHE, blkid_debug_dump_cache(cache)); */ - - while (!list_empty(&cache->bic_devs)) { - blkid_dev dev = list_entry(cache->bic_devs.next, - struct blkid_struct_dev, - bid_devs); - blkid_free_dev(dev); - } - - while (!list_empty(&cache->bic_tags)) { - blkid_tag tag = list_entry(cache->bic_tags.next, - struct blkid_struct_tag, - bit_tags); - - while (!list_empty(&tag->bit_names)) { - blkid_tag bad = list_entry(tag->bit_names.next, - struct blkid_struct_tag, - bit_names); - - DBG(DEBUG_CACHE, printf("warning: unfreed tag %s=%s\n", - bad->bit_name, bad->bit_val)); - blkid_free_tag(bad); - } - blkid_free_tag(tag); - } - free(cache->bic_filename); - - free(cache); -} - -#ifdef TEST_PROGRAM -int main(int argc, char** argv) -{ - blkid_cache cache = NULL; - int ret; - - blkid_debug_mask = DEBUG_ALL; - if ((argc > 2)) { - fprintf(stderr, "Usage: %s [filename]\n", argv[0]); - exit(1); - } - - if ((ret = blkid_get_cache(&cache, argv[1])) < 0) { - fprintf(stderr, "error %d parsing cache file %s\n", ret, - argv[1] ? argv[1] : BLKID_CACHE_FILE); - exit(1); - } - if ((ret = blkid_get_cache(&cache, bb_dev_null)) != 0) { - fprintf(stderr, "%s: error creating cache (%d)\n", - argv[0], ret); - exit(1); - } - if ((ret = blkid_probe_all(cache) < 0)) - fprintf(stderr, "error probing devices\n"); - - blkid_put_cache(cache); - - return ret; -} -#endif diff --git a/e2fsprogs/blkid/dev.c b/e2fsprogs/blkid/dev.c deleted file mode 100644 index eddbd02b7..000000000 --- a/e2fsprogs/blkid/dev.c +++ /dev/null @@ -1,214 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dev.c - allocation/initialization/free routines for dev - * - * Copyright (C) 2001 Andreas Dilger - * Copyright (C) 2003 Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdlib.h> -#include <string.h> - -#include "blkidP.h" - -blkid_dev blkid_new_dev(void) -{ - blkid_dev dev; - - if (!(dev = (blkid_dev) calloc(1, sizeof(struct blkid_struct_dev)))) - return NULL; - - INIT_LIST_HEAD(&dev->bid_devs); - INIT_LIST_HEAD(&dev->bid_tags); - - return dev; -} - -void blkid_free_dev(blkid_dev dev) -{ - if (!dev) - return; - - DBG(DEBUG_DEV, - printf(" freeing dev %s (%s)\n", dev->bid_name, dev->bid_type)); - DBG(DEBUG_DEV, blkid_debug_dump_dev(dev)); - - list_del(&dev->bid_devs); - while (!list_empty(&dev->bid_tags)) { - blkid_tag tag = list_entry(dev->bid_tags.next, - struct blkid_struct_tag, - bit_tags); - blkid_free_tag(tag); - } - if (dev->bid_name) - free(dev->bid_name); - free(dev); -} - -/* - * Given a blkid device, return its name - */ -const char *blkid_dev_devname(blkid_dev dev) -{ - return dev->bid_name; -} - -#ifdef CONFIG_BLKID_DEBUG -void blkid_debug_dump_dev(blkid_dev dev) -{ - struct list_head *p; - - if (!dev) { - printf(" dev: NULL\n"); - return; - } - - printf(" dev: name = %s\n", dev->bid_name); - printf(" dev: DEVNO=\"0x%0llx\"\n", dev->bid_devno); - printf(" dev: TIME=\"%lu\"\n", dev->bid_time); - printf(" dev: PRI=\"%d\"\n", dev->bid_pri); - printf(" dev: flags = 0x%08X\n", dev->bid_flags); - - list_for_each(p, &dev->bid_tags) { - blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags); - if (tag) - printf(" tag: %s=\"%s\"\n", tag->bit_name, - tag->bit_val); - else - printf(" tag: NULL\n"); - } - puts(""); -} -#endif - -/* - * dev iteration routines for the public libblkid interface. - * - * These routines do not expose the list.h implementation, which are a - * contamination of the namespace, and which force us to reveal far, far - * too much of our internal implemenation. I'm not convinced I want - * to keep list.h in the long term, anyway. It's fine for kernel - * programming, but performance is not the #1 priority for this - * library, and I really don't like the tradeoff of type-safety for - * performance for this application. [tytso:20030125.2007EST] - */ - -/* - * This series of functions iterate over all devices in a blkid cache - */ -#define DEV_ITERATE_MAGIC 0x01a5284c - -struct blkid_struct_dev_iterate { - int magic; - blkid_cache cache; - struct list_head *p; -}; - -blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache) -{ - blkid_dev_iterate iter; - - iter = xmalloc(sizeof(struct blkid_struct_dev_iterate)); - iter->magic = DEV_ITERATE_MAGIC; - iter->cache = cache; - iter->p = cache->bic_devs.next; - return iter; -} - -/* - * Return 0 on success, -1 on error - */ -extern int blkid_dev_next(blkid_dev_iterate iter, - blkid_dev *dev) -{ - *dev = 0; - if (!iter || iter->magic != DEV_ITERATE_MAGIC || - iter->p == &iter->cache->bic_devs) - return -1; - *dev = list_entry(iter->p, struct blkid_struct_dev, bid_devs); - iter->p = iter->p->next; - return 0; -} - -void blkid_dev_iterate_end(blkid_dev_iterate iter) -{ - if (!iter || iter->magic != DEV_ITERATE_MAGIC) - return; - iter->magic = 0; - free(iter); -} - -#ifdef TEST_PROGRAM -#ifdef HAVE_GETOPT_H -#include <getopt.h> -#else -extern char *optarg; -extern int optind; -#endif - -void usage(char *prog) -{ - fprintf(stderr, "Usage: %s [-f blkid_file] [-m debug_mask]\n", prog); - fprintf(stderr, "\tList all devices and exit\n", prog); - exit(1); -} - -int main(int argc, char **argv) -{ - blkid_dev_iterate iter; - blkid_cache cache = NULL; - blkid_dev dev; - int c, ret; - char *tmp; - char *file = NULL; - char *search_type = NULL; - char *search_value = NULL; - - while ((c = getopt (argc, argv, "m:f:")) != EOF) - switch (c) { - case 'f': - file = optarg; - break; - case 'm': - blkid_debug_mask = strtoul (optarg, &tmp, 0); - if (*tmp) { - fprintf(stderr, "Invalid debug mask: %d\n", - optarg); - exit(1); - } - break; - case '?': - usage(argv[0]); - } - if (argc >= optind+2) { - search_type = argv[optind]; - search_value = argv[optind+1]; - optind += 2; - } - if (argc != optind) - usage(argv[0]); - - if ((ret = blkid_get_cache(&cache, file)) != 0) { - fprintf(stderr, "%s: error creating cache (%d)\n", - argv[0], ret); - exit(1); - } - - iter = blkid_dev_iterate_begin(cache); - if (search_type) - blkid_dev_set_search(iter, search_type, search_value); - while (blkid_dev_next(iter, &dev) == 0) { - printf("Device: %s\n", blkid_dev_devname(dev)); - } - blkid_dev_iterate_end(iter); - - - blkid_put_cache(cache); - return 0; -} -#endif diff --git a/e2fsprogs/blkid/devname.c b/e2fsprogs/blkid/devname.c deleted file mode 100644 index 3d11734d5..000000000 --- a/e2fsprogs/blkid/devname.c +++ /dev/null @@ -1,368 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * devname.c - get a dev by its device inode name - * - * Copyright (C) Andries Brouwer - * Copyright (C) 1999, 2000, 2001, 2002, 2003 Theodore Ts'o - * Copyright (C) 2001 Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <sys/stat.h> -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_SYS_MKDEV_H -#include <sys/mkdev.h> -#endif -#include <time.h> - -#include "blkidP.h" - -/* - * Find a dev struct in the cache by device name, if available. - * - * If there is no entry with the specified device name, and the create - * flag is set, then create an empty device entry. - */ -blkid_dev blkid_get_dev(blkid_cache cache, const char *devname, int flags) -{ - blkid_dev dev = NULL, tmp; - struct list_head *p; - - if (!cache || !devname) - return NULL; - - list_for_each(p, &cache->bic_devs) { - tmp = list_entry(p, struct blkid_struct_dev, bid_devs); - if (strcmp(tmp->bid_name, devname)) - continue; - - DBG(DEBUG_DEVNAME, - printf("found devname %s in cache\n", tmp->bid_name)); - dev = tmp; - break; - } - - if (!dev && (flags & BLKID_DEV_CREATE)) { - dev = blkid_new_dev(); - if (!dev) - return NULL; - dev->bid_name = blkid_strdup(devname); - dev->bid_cache = cache; - list_add_tail(&dev->bid_devs, &cache->bic_devs); - cache->bic_flags |= BLKID_BIC_FL_CHANGED; - } - - if (flags & BLKID_DEV_VERIFY) - dev = blkid_verify(cache, dev); - return dev; -} - -/* - * Probe a single block device to add to the device cache. - */ -static void probe_one(blkid_cache cache, const char *ptname, - dev_t devno, int pri) -{ - blkid_dev dev = NULL; - struct list_head *p; - const char **dir; - char *devname = NULL; - - /* See if we already have this device number in the cache. */ - list_for_each(p, &cache->bic_devs) { - blkid_dev tmp = list_entry(p, struct blkid_struct_dev, - bid_devs); - if (tmp->bid_devno == devno) { - dev = blkid_verify(cache, tmp); - break; - } - } - if (dev && dev->bid_devno == devno) - goto set_pri; - - /* - * Take a quick look at /dev/ptname for the device number. We check - * all of the likely device directories. If we don't find it, or if - * the stat information doesn't check out, use blkid_devno_to_devname() - * to find it via an exhaustive search for the device major/minor. - */ - for (dir = blkid_devdirs; *dir; dir++) { - struct stat st; - char device[256]; - - sprintf(device, "%s/%s", *dir, ptname); - if ((dev = blkid_get_dev(cache, device, BLKID_DEV_FIND)) && - dev->bid_devno == devno) - goto set_pri; - - if (stat(device, &st) == 0 && S_ISBLK(st.st_mode) && - st.st_rdev == devno) { - devname = blkid_strdup(device); - break; - } - } - if (!devname) { - devname = blkid_devno_to_devname(devno); - if (!devname) - return; - } - dev = blkid_get_dev(cache, devname, BLKID_DEV_NORMAL); - free(devname); - -set_pri: - if (!pri && !strncmp(ptname, "md", 2)) - pri = BLKID_PRI_MD; - if (dev) - dev->bid_pri = pri; - return; -} - -#define PROC_PARTITIONS "/proc/partitions" -#define VG_DIR "/proc/lvm/VGs" - -/* - * This function initializes the UUID cache with devices from the LVM - * proc hierarchy. We currently depend on the names of the LVM - * hierarchy giving us the device structure in /dev. (XXX is this a - * safe thing to do?) - */ -#ifdef VG_DIR -#include <dirent.h> -static dev_t lvm_get_devno(const char *lvm_device) -{ - FILE *lvf; - char buf[1024]; - int ma, mi; - dev_t ret = 0; - - DBG(DEBUG_DEVNAME, printf("opening %s\n", lvm_device)); - if ((lvf = fopen(lvm_device, "r")) == NULL) { - DBG(DEBUG_DEVNAME, printf("%s: (%d) %s\n", lvm_device, errno, - strerror(errno))); - return 0; - } - - while (fgets(buf, sizeof(buf), lvf)) { - if (sscanf(buf, "device: %d:%d", &ma, &mi) == 2) { - ret = makedev(ma, mi); - break; - } - } - fclose(lvf); - - return ret; -} - -static void lvm_probe_all(blkid_cache cache) -{ - DIR *vg_list; - struct dirent *vg_iter; - int vg_len = strlen(VG_DIR); - dev_t dev; - - if ((vg_list = opendir(VG_DIR)) == NULL) - return; - - DBG(DEBUG_DEVNAME, printf("probing LVM devices under %s\n", VG_DIR)); - - while ((vg_iter = readdir(vg_list)) != NULL) { - DIR *lv_list; - char *vdirname; - char *vg_name; - struct dirent *lv_iter; - - vg_name = vg_iter->d_name; - if (LONE_CHAR(vg_name, '.') || !strcmp(vg_name, "..")) - continue; - vdirname = xmalloc(vg_len + strlen(vg_name) + 8); - sprintf(vdirname, "%s/%s/LVs", VG_DIR, vg_name); - - lv_list = opendir(vdirname); - free(vdirname); - if (lv_list == NULL) - continue; - - while ((lv_iter = readdir(lv_list)) != NULL) { - char *lv_name, *lvm_device; - - lv_name = lv_iter->d_name; - if (LONE_CHAR(lv_name, '.') || !strcmp(lv_name, "..")) - continue; - - lvm_device = xmalloc(vg_len + strlen(vg_name) + - strlen(lv_name) + 8); - sprintf(lvm_device, "%s/%s/LVs/%s", VG_DIR, vg_name, - lv_name); - dev = lvm_get_devno(lvm_device); - sprintf(lvm_device, "%s/%s", vg_name, lv_name); - DBG(DEBUG_DEVNAME, printf("LVM dev %s: devno 0x%04X\n", - lvm_device, - (unsigned int) dev)); - probe_one(cache, lvm_device, dev, BLKID_PRI_LVM); - free(lvm_device); - } - closedir(lv_list); - } - closedir(vg_list); -} -#endif - -#define PROC_EVMS_VOLUMES "/proc/evms/volumes" - -static int -evms_probe_all(blkid_cache cache) -{ - char line[100]; - int ma, mi, sz, num = 0; - FILE *procpt; - char device[110]; - - procpt = fopen(PROC_EVMS_VOLUMES, "r"); - if (!procpt) - return 0; - while (fgets(line, sizeof(line), procpt)) { - if (sscanf (line, " %d %d %d %*s %*s %[^\n ]", - &ma, &mi, &sz, device) != 4) - continue; - - DBG(DEBUG_DEVNAME, printf("Checking partition %s (%d, %d)\n", - device, ma, mi)); - - probe_one(cache, device, makedev(ma, mi), BLKID_PRI_EVMS); - num++; - } - fclose(procpt); - return num; -} - -/* - * Read the device data for all available block devices in the system. - */ -int blkid_probe_all(blkid_cache cache) -{ - FILE *proc; - char line[1024]; - char ptname0[128], ptname1[128], *ptname = 0; - char *ptnames[2]; - dev_t devs[2]; - int ma, mi; - unsigned long long sz; - int lens[2] = { 0, 0 }; - int which = 0, last = 0; - - ptnames[0] = ptname0; - ptnames[1] = ptname1; - - if (!cache) - return -BLKID_ERR_PARAM; - - if (cache->bic_flags & BLKID_BIC_FL_PROBED && - time(0) - cache->bic_time < BLKID_PROBE_INTERVAL) - return 0; - - blkid_read_cache(cache); - evms_probe_all(cache); -#ifdef VG_DIR - lvm_probe_all(cache); -#endif - - proc = fopen(PROC_PARTITIONS, "r"); - if (!proc) - return -BLKID_ERR_PROC; - - while (fgets(line, sizeof(line), proc)) { - last = which; - which ^= 1; - ptname = ptnames[which]; - - if (sscanf(line, " %d %d %llu %128[^\n ]", - &ma, &mi, &sz, ptname) != 4) - continue; - devs[which] = makedev(ma, mi); - - DBG(DEBUG_DEVNAME, printf("read partition name %s\n", ptname)); - - /* Skip whole disk devs unless they have no partitions - * If we don't have a partition on this dev, also - * check previous dev to see if it didn't have a partn. - * heuristic: partition name ends in a digit. - * - * Skip extended partitions. - * heuristic: size is 1 - * - * FIXME: skip /dev/{ida,cciss,rd} whole-disk devs - */ - - lens[which] = strlen(ptname); - if (isdigit(ptname[lens[which] - 1])) { - DBG(DEBUG_DEVNAME, - printf("partition dev %s, devno 0x%04X\n", - ptname, (unsigned int) devs[which])); - - if (sz > 1) - probe_one(cache, ptname, devs[which], 0); - lens[which] = 0; - lens[last] = 0; - } else if (lens[last] && strncmp(ptnames[last], ptname, - lens[last])) { - DBG(DEBUG_DEVNAME, - printf("whole dev %s, devno 0x%04X\n", - ptnames[last], (unsigned int) devs[last])); - probe_one(cache, ptnames[last], devs[last], 0); - lens[last] = 0; - } - } - - /* Handle the last device if it wasn't partitioned */ - if (lens[which]) - probe_one(cache, ptname, devs[which], 0); - - fclose(proc); - - cache->bic_time = time(0); - cache->bic_flags |= BLKID_BIC_FL_PROBED; - blkid_flush_cache(cache); - return 0; -} - -#ifdef TEST_PROGRAM -int main(int argc, char **argv) -{ - blkid_cache cache = NULL; - int ret; - - blkid_debug_mask = DEBUG_ALL; - if (argc != 1) { - fprintf(stderr, "Usage: %s\n" - "Probe all devices and exit\n", argv[0]); - exit(1); - } - if ((ret = blkid_get_cache(&cache, bb_dev_null)) != 0) { - fprintf(stderr, "%s: error creating cache (%d)\n", - argv[0], ret); - exit(1); - } - if (blkid_probe_all(cache) < 0) - printf("%s: error probing devices\n", argv[0]); - - blkid_put_cache(cache); - return 0; -} -#endif diff --git a/e2fsprogs/blkid/devno.c b/e2fsprogs/blkid/devno.c deleted file mode 100644 index 13e7f1a87..000000000 --- a/e2fsprogs/blkid/devno.c +++ /dev/null @@ -1,223 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * devno.c - find a particular device by its device number (major/minor) - * - * Copyright (C) 2000, 2001, 2003 Theodore Ts'o - * Copyright (C) 2001 Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <stdlib.h> -#include <string.h> -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <sys/stat.h> -#include <dirent.h> -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_SYS_MKDEV_H -#include <sys/mkdev.h> -#endif - -#include "blkidP.h" - -struct dir_list { - char *name; - struct dir_list *next; -}; - -char *blkid_strndup(const char *s, int length) -{ - char *ret; - - if (!s) - return NULL; - - if (!length) - length = strlen(s); - - ret = xmalloc(length + 1); - strncpy(ret, s, length); - ret[length] = '\0'; - return ret; -} - -char *blkid_strdup(const char *s) -{ - return blkid_strndup(s, 0); -} - -/* - * This function adds an entry to the directory list - */ -static void add_to_dirlist(const char *name, struct dir_list **list) -{ - struct dir_list *dp; - - dp = xmalloc(sizeof(struct dir_list)); - dp->name = blkid_strdup(name); - dp->next = *list; - *list = dp; -} - -/* - * This function frees a directory list - */ -static void free_dirlist(struct dir_list **list) -{ - struct dir_list *dp, *next; - - for (dp = *list; dp; dp = next) { - next = dp->next; - free(dp->name); - free(dp); - } - *list = NULL; -} - -static void scan_dir(char *dir_name, dev_t devno, struct dir_list **list, - char **devname) -{ - DIR *dir; - struct dirent *dp; - char path[1024]; - int dirlen; - struct stat st; - - if ((dir = opendir(dir_name)) == NULL) - return; - dirlen = strlen(dir_name) + 2; - while ((dp = readdir(dir)) != 0) { - if (dirlen + strlen(dp->d_name) >= sizeof(path)) - continue; - - if (dp->d_name[0] == '.' && - ((dp->d_name[1] == 0) || - ((dp->d_name[1] == '.') && (dp->d_name[2] == 0)))) - continue; - - sprintf(path, "%s/%s", dir_name, dp->d_name); - if (stat(path, &st) < 0) - continue; - - if (S_ISDIR(st.st_mode)) - add_to_dirlist(path, list); - else if (S_ISBLK(st.st_mode) && st.st_rdev == devno) { - *devname = blkid_strdup(path); - DBG(DEBUG_DEVNO, - printf("found 0x%llx at %s (%p)\n", devno, - path, *devname)); - break; - } - } - closedir(dir); - return; -} - -/* Directories where we will try to search for device numbers */ -const char *blkid_devdirs[] = { "/devices", "/devfs", "/dev", NULL }; - -/* - * This function finds the pathname to a block device with a given - * device number. It returns a pointer to allocated memory to the - * pathname on success, and NULL on failure. - */ -char *blkid_devno_to_devname(dev_t devno) -{ - struct dir_list *list = NULL, *new_list = NULL; - char *devname = NULL; - const char **dir; - - /* - * Add the starting directories to search in reverse order of - * importance, since we are using a stack... - */ - for (dir = blkid_devdirs; *dir; dir++) - add_to_dirlist(*dir, &list); - - while (list) { - struct dir_list *current = list; - - list = list->next; - DBG(DEBUG_DEVNO, printf("directory %s\n", current->name)); - scan_dir(current->name, devno, &new_list, &devname); - free(current->name); - free(current); - if (devname) - break; - /* - * If we're done checking at this level, descend to - * the next level of subdirectories. (breadth-first) - */ - if (list == NULL) { - list = new_list; - new_list = NULL; - } - } - free_dirlist(&list); - free_dirlist(&new_list); - - if (!devname) { - DBG(DEBUG_DEVNO, - printf("blkid: cannot find devno 0x%04lx\n", - (unsigned long) devno)); - } else { - DBG(DEBUG_DEVNO, - printf("found devno 0x%04llx as %s\n", devno, devname)); - } - - - return devname; -} - -#ifdef TEST_PROGRAM -int main(int argc, char** argv) -{ - char *devname, *tmp; - int major, minor; - dev_t devno; - const char *errmsg = "Cannot parse %s: %s\n"; - - blkid_debug_mask = DEBUG_ALL; - if ((argc != 2) && (argc != 3)) { - fprintf(stderr, "Usage:\t%s device_number\n\t%s major minor\n" - "Resolve a device number to a device name\n", - argv[0], argv[0]); - exit(1); - } - if (argc == 2) { - devno = strtoul(argv[1], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "device number", argv[1]); - exit(1); - } - } else { - major = strtoul(argv[1], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "major number", argv[1]); - exit(1); - } - minor = strtoul(argv[2], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "minor number", argv[2]); - exit(1); - } - devno = makedev(major, minor); - } - printf("Looking for device 0x%04Lx\n", devno); - devname = blkid_devno_to_devname(devno); - free(devname); - return 0; -} -#endif diff --git a/e2fsprogs/blkid/list.c b/e2fsprogs/blkid/list.c deleted file mode 100644 index 04d61a19b..000000000 --- a/e2fsprogs/blkid/list.c +++ /dev/null @@ -1,110 +0,0 @@ -/* vi: set sw=4 ts=4: */ - -#include "list.h" - -/* - * Insert a new entry between two known consecutive entries. - * - * This is only for internal list manipulation where we know - * the prev/next entries already! - */ -void __list_add(struct list_head * add, - struct list_head * prev, - struct list_head * next) -{ - next->prev = add; - add->next = next; - add->prev = prev; - prev->next = add; -} - -/* - * list_add - add a new entry - * @add: new entry to be added - * @head: list head to add it after - * - * Insert a new entry after the specified head. - * This is good for implementing stacks. - */ -void list_add(struct list_head *add, struct list_head *head) -{ - __list_add(add, head, head->next); -} - -/* - * list_add_tail - add a new entry - * @add: new entry to be added - * @head: list head to add it before - * - * Insert a new entry before the specified head. - * This is useful for implementing queues. - */ -void list_add_tail(struct list_head *add, struct list_head *head) -{ - __list_add(add, head->prev, head); -} - -/* - * Delete a list entry by making the prev/next entries - * point to each other. - * - * This is only for internal list manipulation where we know - * the prev/next entries already! - */ -void __list_del(struct list_head * prev, struct list_head * next) -{ - next->prev = prev; - prev->next = next; -} - -/* - * list_del - deletes entry from list. - * @entry: the element to delete from the list. - * - * list_empty() on @entry does not return true after this, @entry is - * in an undefined state. - */ -void list_del(struct list_head *entry) -{ - __list_del(entry->prev, entry->next); -} - -/* - * list_del_init - deletes entry from list and reinitialize it. - * @entry: the element to delete from the list. - */ -void list_del_init(struct list_head *entry) -{ - __list_del(entry->prev, entry->next); - INIT_LIST_HEAD(entry); -} - -/* - * list_empty - tests whether a list is empty - * @head: the list to test. - */ -int list_empty(struct list_head *head) -{ - return head->next == head; -} - -/* - * list_splice - join two lists - * @list: the new list to add. - * @head: the place to add it in the first list. - */ -void list_splice(struct list_head *list, struct list_head *head) -{ - struct list_head *first = list->next; - - if (first != list) { - struct list_head *last = list->prev; - struct list_head *at = head->next; - - first->prev = head; - head->next = first; - - last->next = at; - at->prev = last; - } -} diff --git a/e2fsprogs/blkid/list.h b/e2fsprogs/blkid/list.h deleted file mode 100644 index 8b06d853b..000000000 --- a/e2fsprogs/blkid/list.h +++ /dev/null @@ -1,73 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#if !defined(_BLKID_LIST_H) && !defined(LIST_HEAD) -#define _BLKID_LIST_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Simple doubly linked list implementation. - * - * Some of the internal functions ("__xxx") are useful when - * manipulating whole lists rather than single entries, as - * sometimes we already know the next/prev entries and we can - * generate better code by using them directly rather than - * using the generic single-entry routines. - */ - -struct list_head { - struct list_head *next, *prev; -}; - -#define LIST_HEAD_INIT(name) { &(name), &(name) } - -#define LIST_HEAD(name) \ - struct list_head name = LIST_HEAD_INIT(name) - -#define INIT_LIST_HEAD(ptr) do { \ - (ptr)->next = (ptr); (ptr)->prev = (ptr); \ -} while (0) - -void __list_add(struct list_head * add, struct list_head * prev, struct list_head * next); -void list_add(struct list_head *add, struct list_head *head); -void list_add_tail(struct list_head *add, struct list_head *head); -void __list_del(struct list_head * prev, struct list_head * next); -void list_del(struct list_head *entry); -void list_del_init(struct list_head *entry); -int list_empty(struct list_head *head); -void list_splice(struct list_head *list, struct list_head *head); - -/** - * list_entry - get the struct for this entry - * @ptr: the &struct list_head pointer. - * @type: the type of the struct this is embedded in. - * @member: the name of the list_struct within the struct. - */ -#define list_entry(ptr, type, member) \ - ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member))) - -/** - * list_for_each - iterate over elements in a list - * @pos: the &struct list_head to use as a loop counter. - * @head: the head for your list. - */ -#define list_for_each(pos, head) \ - for (pos = (head)->next; pos != (head); pos = pos->next) - -/** - * list_for_each_safe - iterate over elements in a list, but don't dereference - * pos after the body is done (in case it is freed) - * @pos: the &struct list_head to use as a loop counter. - * @pnext: the &struct list_head to use as a pointer to the next item. - * @head: the head for your list (not included in iteration). - */ -#define list_for_each_safe(pos, pnext, head) \ - for (pos = (head)->next, pnext = pos->next; pos != (head); \ - pos = pnext, pnext = pos->next) - -#ifdef __cplusplus -} -#endif - -#endif /* _BLKID_LIST_H */ diff --git a/e2fsprogs/blkid/probe.c b/e2fsprogs/blkid/probe.c deleted file mode 100644 index 8c6e2aa33..000000000 --- a/e2fsprogs/blkid/probe.c +++ /dev/null @@ -1,721 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * probe.c - identify a block device by its contents, and return a dev - * struct with the details - * - * Copyright (C) 1999 by Andries Brouwer - * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o - * Copyright (C) 2001 by Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/types.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_MKDEV_H -#include <sys/mkdev.h> -#endif -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#include "blkidP.h" -#include "../uuid/uuid.h" -#include "probe.h" - -/* - * This is a special case code to check for an MDRAID device. We do - * this special since it requires checking for a superblock at the end - * of the device. - */ -static int check_mdraid(int fd, unsigned char *ret_uuid) -{ - struct mdp_superblock_s *md; - blkid_loff_t offset; - char buf[4096]; - - if (fd < 0) - return -BLKID_ERR_PARAM; - - offset = (blkid_get_dev_size(fd) & ~((blkid_loff_t)65535)) - 65536; - - if (blkid_llseek(fd, offset, 0) < 0 || - read(fd, buf, 4096) != 4096) - return -BLKID_ERR_IO; - - /* Check for magic number */ - if (memcmp("\251+N\374", buf, 4)) - return -BLKID_ERR_PARAM; - - if (!ret_uuid) - return 0; - *ret_uuid = 0; - - /* The MD UUID is not contiguous in the superblock, make it so */ - md = (struct mdp_superblock_s *)buf; - if (md->set_uuid0 || md->set_uuid1 || md->set_uuid2 || md->set_uuid3) { - memcpy(ret_uuid, &md->set_uuid0, 4); - memcpy(ret_uuid, &md->set_uuid1, 12); - } - return 0; -} - -static void set_uuid(blkid_dev dev, uuid_t uuid) -{ - char str[37]; - - if (!uuid_is_null(uuid)) { - uuid_unparse(uuid, str); - blkid_set_tag(dev, "UUID", str, sizeof(str)); - } -} - -static void get_ext2_info(blkid_dev dev, unsigned char *buf) -{ - struct ext2_super_block *es = (struct ext2_super_block *) buf; - const char *label = 0; - - DBG(DEBUG_PROBE, printf("ext2_sb.compat = %08X:%08X:%08X\n", - blkid_le32(es->s_feature_compat), - blkid_le32(es->s_feature_incompat), - blkid_le32(es->s_feature_ro_compat))); - - if (strlen(es->s_volume_name)) - label = es->s_volume_name; - blkid_set_tag(dev, "LABEL", label, sizeof(es->s_volume_name)); - - set_uuid(dev, es->s_uuid); -} - -static int probe_ext3(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct ext2_super_block *es; - - es = (struct ext2_super_block *)buf; - - /* Distinguish between jbd and ext2/3 fs */ - if (blkid_le32(es->s_feature_incompat) & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) - return -BLKID_ERR_PARAM; - - /* Distinguish between ext3 and ext2 */ - if (!(blkid_le32(es->s_feature_compat) & - EXT3_FEATURE_COMPAT_HAS_JOURNAL)) - return -BLKID_ERR_PARAM; - - get_ext2_info(dev, buf); - - blkid_set_tag(dev, "SEC_TYPE", "ext2", sizeof("ext2")); - - return 0; -} - -static int probe_ext2(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct ext2_super_block *es; - - es = (struct ext2_super_block *)buf; - - /* Distinguish between jbd and ext2/3 fs */ - if (blkid_le32(es->s_feature_incompat) & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) - return -BLKID_ERR_PARAM; - - get_ext2_info(dev, buf); - - return 0; -} - -static int probe_jbd(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct ext2_super_block *es = (struct ext2_super_block *) buf; - - if (!(blkid_le32(es->s_feature_incompat) & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) - return -BLKID_ERR_PARAM; - - get_ext2_info(dev, buf); - - return 0; -} - -static int probe_vfat(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct vfat_super_block *vs; - char serno[10]; - const char *label = 0; - int label_len = 0; - - vs = (struct vfat_super_block *)buf; - - if (strncmp(vs->vs_label, "NO NAME", 7)) { - char *end = vs->vs_label + sizeof(vs->vs_label) - 1; - - while (*end == ' ' && end >= vs->vs_label) - --end; - if (end >= vs->vs_label) { - label = vs->vs_label; - label_len = end - vs->vs_label + 1; - } - } - - /* We can't just print them as %04X, because they are unaligned */ - sprintf(serno, "%02X%02X-%02X%02X", vs->vs_serno[3], vs->vs_serno[2], - vs->vs_serno[1], vs->vs_serno[0]); - blkid_set_tag(dev, "LABEL", label, label_len); - blkid_set_tag(dev, "UUID", serno, sizeof(serno)); - - return 0; -} - -static int probe_msdos(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct msdos_super_block *ms = (struct msdos_super_block *) buf; - char serno[10]; - const char *label = 0; - int label_len = 0; - - if (strncmp(ms->ms_label, "NO NAME", 7)) { - char *end = ms->ms_label + sizeof(ms->ms_label) - 1; - - while (*end == ' ' && end >= ms->ms_label) - --end; - if (end >= ms->ms_label) { - label = ms->ms_label; - label_len = end - ms->ms_label + 1; - } - } - - /* We can't just print them as %04X, because they are unaligned */ - sprintf(serno, "%02X%02X-%02X%02X", ms->ms_serno[3], ms->ms_serno[2], - ms->ms_serno[1], ms->ms_serno[0]); - blkid_set_tag(dev, "UUID", serno, 0); - blkid_set_tag(dev, "LABEL", label, label_len); - blkid_set_tag(dev, "SEC_TYPE", "msdos", sizeof("msdos")); - - return 0; -} - -static int probe_xfs(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct xfs_super_block *xs; - const char *label = 0; - - xs = (struct xfs_super_block *)buf; - - if (strlen(xs->xs_fname)) - label = xs->xs_fname; - blkid_set_tag(dev, "LABEL", label, sizeof(xs->xs_fname)); - set_uuid(dev, xs->xs_uuid); - return 0; -} - -static int probe_reiserfs(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id, unsigned char *buf) -{ - struct reiserfs_super_block *rs = (struct reiserfs_super_block *) buf; - unsigned int blocksize; - const char *label = 0; - - blocksize = blkid_le16(rs->rs_blocksize); - - /* If the superblock is inside the journal, we have the wrong one */ - if (id->bim_kboff/(blocksize>>10) > blkid_le32(rs->rs_journal_block)) - return -BLKID_ERR_BIG; - - /* LABEL/UUID are only valid for later versions of Reiserfs v3.6. */ - if (!strcmp(id->bim_magic, "ReIsEr2Fs") || - !strcmp(id->bim_magic, "ReIsEr3Fs")) { - if (strlen(rs->rs_label)) - label = rs->rs_label; - set_uuid(dev, rs->rs_uuid); - } - blkid_set_tag(dev, "LABEL", label, sizeof(rs->rs_label)); - - return 0; -} - -static int probe_jfs(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct jfs_super_block *js; - const char *label = 0; - - js = (struct jfs_super_block *)buf; - - if (strlen((char *) js->js_label)) - label = (char *) js->js_label; - blkid_set_tag(dev, "LABEL", label, sizeof(js->js_label)); - set_uuid(dev, js->js_uuid); - return 0; -} - -static int probe_romfs(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct romfs_super_block *ros; - const char *label = 0; - - ros = (struct romfs_super_block *)buf; - - if (strlen((char *) ros->ros_volume)) - label = (char *) ros->ros_volume; - blkid_set_tag(dev, "LABEL", label, 0); - return 0; -} - -static int probe_cramfs(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct cramfs_super_block *csb; - const char *label = 0; - - csb = (struct cramfs_super_block *)buf; - - if (strlen((char *) csb->name)) - label = (char *) csb->name; - blkid_set_tag(dev, "LABEL", label, 0); - return 0; -} - -static int probe_swap0(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf __BLKID_ATTR((unused))) -{ - blkid_set_tag(dev, "UUID", 0, 0); - blkid_set_tag(dev, "LABEL", 0, 0); - return 0; -} - -static int probe_swap1(int fd, - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf __BLKID_ATTR((unused))) -{ - struct swap_id_block *sws; - - probe_swap0(fd, cache, dev, id, buf); - /* - * Version 1 swap headers are always located at offset of 1024 - * bytes, although the swap signature itself is located at the - * end of the page (which may vary depending on hardware - * pagesize). - */ - if (lseek(fd, 1024, SEEK_SET) < 0) return 1; - sws = xmalloc(1024); - if (read(fd, sws, 1024) != 1024) { - free(sws); - return 1; - } - - /* arbitrary sanity check.. is there any garbage down there? */ - if (sws->sws_pad[32] == 0 && sws->sws_pad[33] == 0) { - if (sws->sws_volume[0]) - blkid_set_tag(dev, "LABEL", (const char*)sws->sws_volume, - sizeof(sws->sws_volume)); - if (sws->sws_uuid[0]) - set_uuid(dev, sws->sws_uuid); - } - free(sws); - - return 0; -} - -static const char -* const udf_magic[] = { "BEA01", "BOOT2", "CD001", "CDW02", "NSR02", - "NSR03", "TEA01", 0 }; - -static int probe_udf(int fd, blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev __BLKID_ATTR((unused)), - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf __BLKID_ATTR((unused))) -{ - int j, bs; - struct iso_volume_descriptor isosb; - const char * const * m; - - /* determine the block size by scanning in 2K increments - (block sizes larger than 2K will be null padded) */ - for (bs = 1; bs < 16; bs++) { - lseek(fd, bs*2048+32768, SEEK_SET); - if (read(fd, (char *)&isosb, sizeof(isosb)) != sizeof(isosb)) - return 1; - if (isosb.id[0]) - break; - } - - /* Scan up to another 64 blocks looking for additional VSD's */ - for (j = 1; j < 64; j++) { - if (j > 1) { - lseek(fd, j*bs*2048+32768, SEEK_SET); - if (read(fd, (char *)&isosb, sizeof(isosb)) - != sizeof(isosb)) - return 1; - } - /* If we find NSR0x then call it udf: - NSR01 for UDF 1.00 - NSR02 for UDF 1.50 - NSR03 for UDF 2.00 */ - if (!strncmp(isosb.id, "NSR0", 4)) - return 0; - for (m = udf_magic; *m; m++) - if (!strncmp(*m, isosb.id, 5)) - break; - if (*m == 0) - return 1; - } - return 1; -} - -static int probe_ocfs(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct ocfs_volume_header ovh; - struct ocfs_volume_label ovl; - __u32 major; - - memcpy(&ovh, buf, sizeof(ovh)); - memcpy(&ovl, buf+512, sizeof(ovl)); - - major = ocfsmajor(ovh); - if (major == 1) - blkid_set_tag(dev,"SEC_TYPE","ocfs1",sizeof("ocfs1")); - else if (major >= 9) - blkid_set_tag(dev,"SEC_TYPE","ntocfs",sizeof("ntocfs")); - - blkid_set_tag(dev, "LABEL", (const char*)ovl.label, ocfslabellen(ovl)); - blkid_set_tag(dev, "MOUNT", (const char*)ovh.mount, ocfsmountlen(ovh)); - set_uuid(dev, ovl.vol_id); - return 0; -} - -static int probe_ocfs2(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct ocfs2_super_block *osb; - - osb = (struct ocfs2_super_block *)buf; - - blkid_set_tag(dev, "LABEL", (const char*)osb->s_label, sizeof(osb->s_label)); - set_uuid(dev, osb->s_uuid); - return 0; -} - -static int probe_oracleasm(int fd __BLKID_ATTR((unused)), - blkid_cache cache __BLKID_ATTR((unused)), - blkid_dev dev, - const struct blkid_magic *id __BLKID_ATTR((unused)), - unsigned char *buf) -{ - struct oracle_asm_disk_label *dl; - - dl = (struct oracle_asm_disk_label *)buf; - - blkid_set_tag(dev, "LABEL", dl->dl_id, sizeof(dl->dl_id)); - return 0; -} - -/* - * BLKID_BLK_OFFS is at least as large as the highest bim_kboff defined - * in the type_array table below + bim_kbalign. - * - * When probing for a lot of magics, we handle everything in 1kB buffers so - * that we don't have to worry about reading each combination of block sizes. - */ -#define BLKID_BLK_OFFS 64 /* currently reiserfs */ - -/* - * Various filesystem magics that we can check for. Note that kboff and - * sboff are in kilobytes and bytes respectively. All magics are in - * byte strings so we don't worry about endian issues. - */ -static const struct blkid_magic type_array[] = { -/* type kboff sboff len magic probe */ - { "oracleasm", 0, 32, 8, "ORCLDISK", probe_oracleasm }, - { "ntfs", 0, 3, 8, "NTFS ", 0 }, - { "jbd", 1, 0x38, 2, "\123\357", probe_jbd }, - { "ext3", 1, 0x38, 2, "\123\357", probe_ext3 }, - { "ext2", 1, 0x38, 2, "\123\357", probe_ext2 }, - { "reiserfs", 8, 0x34, 8, "ReIsErFs", probe_reiserfs }, - { "reiserfs", 64, 0x34, 9, "ReIsEr2Fs", probe_reiserfs }, - { "reiserfs", 64, 0x34, 9, "ReIsEr3Fs", probe_reiserfs }, - { "reiserfs", 64, 0x34, 8, "ReIsErFs", probe_reiserfs }, - { "reiserfs", 8, 20, 8, "ReIsErFs", probe_reiserfs }, - { "vfat", 0, 0x52, 5, "MSWIN", probe_vfat }, - { "vfat", 0, 0x52, 8, "FAT32 ", probe_vfat }, - { "vfat", 0, 0x36, 5, "MSDOS", probe_msdos }, - { "vfat", 0, 0x36, 8, "FAT16 ", probe_msdos }, - { "vfat", 0, 0x36, 8, "FAT12 ", probe_msdos }, - { "minix", 1, 0x10, 2, "\177\023", 0 }, - { "minix", 1, 0x10, 2, "\217\023", 0 }, - { "minix", 1, 0x10, 2, "\150\044", 0 }, - { "minix", 1, 0x10, 2, "\170\044", 0 }, - { "vxfs", 1, 0, 4, "\365\374\001\245", 0 }, - { "xfs", 0, 0, 4, "XFSB", probe_xfs }, - { "romfs", 0, 0, 8, "-rom1fs-", probe_romfs }, - { "bfs", 0, 0, 4, "\316\372\173\033", 0 }, - { "cramfs", 0, 0, 4, "E=\315\050", probe_cramfs }, - { "qnx4", 0, 4, 6, "QNX4FS", 0 }, - { "udf", 32, 1, 5, "BEA01", probe_udf }, - { "udf", 32, 1, 5, "BOOT2", probe_udf }, - { "udf", 32, 1, 5, "CD001", probe_udf }, - { "udf", 32, 1, 5, "CDW02", probe_udf }, - { "udf", 32, 1, 5, "NSR02", probe_udf }, - { "udf", 32, 1, 5, "NSR03", probe_udf }, - { "udf", 32, 1, 5, "TEA01", probe_udf }, - { "iso9660", 32, 1, 5, "CD001", 0 }, - { "iso9660", 32, 9, 5, "CDROM", 0 }, - { "jfs", 32, 0, 4, "JFS1", probe_jfs }, - { "hfs", 1, 0, 2, "BD", 0 }, - { "ufs", 8, 0x55c, 4, "T\031\001\000", 0 }, - { "hpfs", 8, 0, 4, "I\350\225\371", 0 }, - { "sysv", 0, 0x3f8, 4, "\020~\030\375", 0 }, - { "swap", 0, 0xff6, 10, "SWAP-SPACE", probe_swap0 }, - { "swap", 0, 0xff6, 10, "SWAPSPACE2", probe_swap1 }, - { "swap", 0, 0x1ff6, 10, "SWAP-SPACE", probe_swap0 }, - { "swap", 0, 0x1ff6, 10, "SWAPSPACE2", probe_swap1 }, - { "swap", 0, 0x3ff6, 10, "SWAP-SPACE", probe_swap0 }, - { "swap", 0, 0x3ff6, 10, "SWAPSPACE2", probe_swap1 }, - { "swap", 0, 0x7ff6, 10, "SWAP-SPACE", probe_swap0 }, - { "swap", 0, 0x7ff6, 10, "SWAPSPACE2", probe_swap1 }, - { "swap", 0, 0xfff6, 10, "SWAP-SPACE", probe_swap0 }, - { "swap", 0, 0xfff6, 10, "SWAPSPACE2", probe_swap1 }, - { "ocfs", 0, 8, 9, "OracleCFS", probe_ocfs }, - { "ocfs2", 1, 0, 6, "OCFSV2", probe_ocfs2 }, - { "ocfs2", 2, 0, 6, "OCFSV2", probe_ocfs2 }, - { "ocfs2", 4, 0, 6, "OCFSV2", probe_ocfs2 }, - { "ocfs2", 8, 0, 6, "OCFSV2", probe_ocfs2 }, - { NULL, 0, 0, 0, NULL, NULL } -}; - -/* - * Verify that the data in dev is consistent with what is on the actual - * block device (using the devname field only). Normally this will be - * called when finding items in the cache, but for long running processes - * is also desirable to revalidate an item before use. - * - * If we are unable to revalidate the data, we return the old data and - * do not set the BLKID_BID_FL_VERIFIED flag on it. - */ -blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev) -{ - const struct blkid_magic *id; - unsigned char *bufs[BLKID_BLK_OFFS + 1], *buf; - const char *type; - struct stat st; - time_t diff, now; - int fd, idx; - - if (!dev) - return NULL; - - now = time(0); - diff = now - dev->bid_time; - - if ((now < dev->bid_time) || - (diff < BLKID_PROBE_MIN) || - (dev->bid_flags & BLKID_BID_FL_VERIFIED && - diff < BLKID_PROBE_INTERVAL)) - return dev; - - DBG(DEBUG_PROBE, - printf("need to revalidate %s (time since last check %lu)\n", - dev->bid_name, diff)); - - if (((fd = open(dev->bid_name, O_RDONLY)) < 0) || - (fstat(fd, &st) < 0)) { - if (errno == ENXIO || errno == ENODEV || errno == ENOENT) { - blkid_free_dev(dev); - return NULL; - } - /* We don't have read permission, just return cache data. */ - DBG(DEBUG_PROBE, - printf("returning unverified data for %s\n", - dev->bid_name)); - return dev; - } - - memset(bufs, 0, sizeof(bufs)); - - /* - * Iterate over the type array. If we already know the type, - * then try that first. If it doesn't work, then blow away - * the type information, and try again. - * - */ -try_again: - type = 0; - if (!dev->bid_type || !strcmp(dev->bid_type, "mdraid")) { - uuid_t uuid; - - if (check_mdraid(fd, uuid) == 0) { - set_uuid(dev, uuid); - type = "mdraid"; - goto found_type; - } - } - for (id = type_array; id->bim_type; id++) { - if (dev->bid_type && - strcmp(id->bim_type, dev->bid_type)) - continue; - - idx = id->bim_kboff + (id->bim_sboff >> 10); - if (idx > BLKID_BLK_OFFS || idx < 0) - continue; - buf = bufs[idx]; - if (!buf) { - if (lseek(fd, idx << 10, SEEK_SET) < 0) - continue; - - buf = xmalloc(1024); - - if (read(fd, buf, 1024) != 1024) { - free(buf); - continue; - } - bufs[idx] = buf; - } - - if (memcmp(id->bim_magic, buf + (id->bim_sboff&0x3ff), - id->bim_len)) - continue; - - if ((id->bim_probe == NULL) || - (id->bim_probe(fd, cache, dev, id, buf) == 0)) { - type = id->bim_type; - goto found_type; - } - } - - if (!id->bim_type && dev->bid_type) { - /* - * Zap the device filesystem type and try again - */ - blkid_set_tag(dev, "TYPE", 0, 0); - blkid_set_tag(dev, "SEC_TYPE", 0, 0); - blkid_set_tag(dev, "LABEL", 0, 0); - blkid_set_tag(dev, "UUID", 0, 0); - goto try_again; - } - - if (!dev->bid_type) { - blkid_free_dev(dev); - return NULL; - } - -found_type: - if (dev && type) { - dev->bid_devno = st.st_rdev; - dev->bid_time = time(0); - dev->bid_flags |= BLKID_BID_FL_VERIFIED; - cache->bic_flags |= BLKID_BIC_FL_CHANGED; - - blkid_set_tag(dev, "TYPE", type, 0); - - DBG(DEBUG_PROBE, printf("%s: devno 0x%04llx, type %s\n", - dev->bid_name, st.st_rdev, type)); - } - - close(fd); - - return dev; -} - -int blkid_known_fstype(const char *fstype) -{ - const struct blkid_magic *id; - - for (id = type_array; id->bim_type; id++) { - if (strcmp(fstype, id->bim_type) == 0) - return 1; - } - return 0; -} - -#ifdef TEST_PROGRAM -int main(int argc, char **argv) -{ - blkid_dev dev; - blkid_cache cache; - int ret; - - blkid_debug_mask = DEBUG_ALL; - if (argc != 2) { - fprintf(stderr, "Usage: %s device\n" - "Probe a single device to determine type\n", argv[0]); - exit(1); - } - if ((ret = blkid_get_cache(&cache, bb_dev_null)) != 0) { - fprintf(stderr, "%s: error creating cache (%d)\n", - argv[0], ret); - exit(1); - } - dev = blkid_get_dev(cache, argv[1], BLKID_DEV_NORMAL); - if (!dev) { - printf("%s: %s has an unsupported type\n", argv[0], argv[1]); - return 1; - } - printf("%s is type %s\n", argv[1], dev->bid_type ? - dev->bid_type : "(null)"); - if (dev->bid_label) - printf("\tlabel is '%s'\n", dev->bid_label); - if (dev->bid_uuid) - printf("\tuuid is %s\n", dev->bid_uuid); - - blkid_free_dev(dev); - return 0; -} -#endif diff --git a/e2fsprogs/blkid/probe.h b/e2fsprogs/blkid/probe.h deleted file mode 100644 index 78f796419..000000000 --- a/e2fsprogs/blkid/probe.h +++ /dev/null @@ -1,375 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * probe.h - constants and on-disk structures for extracting device data - * - * Copyright (C) 1999 by Andries Brouwer - * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o - * Copyright (C) 2001 by Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#ifndef _BLKID_PROBE_H -#define _BLKID_PROBE_H - -#include <linux/types.h> - -struct blkid_magic; - -typedef int (*blkid_probe_t)(int fd, blkid_cache cache, blkid_dev dev, - const struct blkid_magic *id, unsigned char *buf); - -struct blkid_magic { - const char *bim_type; /* type name for this magic */ - long bim_kboff; /* kilobyte offset of superblock */ - unsigned bim_sboff; /* byte offset within superblock */ - unsigned bim_len; /* length of magic */ - const char *bim_magic; /* magic string */ - blkid_probe_t bim_probe; /* probe function */ -}; - -/* - * Structures for each of the content types we want to extract information - * from. We do not necessarily need the magic field here, because we have - * already identified the content type before we get this far. It may still - * be useful if there are probe functions which handle multiple content types. - */ -struct ext2_super_block { - __u32 s_inodes_count; - __u32 s_blocks_count; - __u32 s_r_blocks_count; - __u32 s_free_blocks_count; - __u32 s_free_inodes_count; - __u32 s_first_data_block; - __u32 s_log_block_size; - __u32 s_dummy3[7]; - unsigned char s_magic[2]; - __u16 s_state; - __u32 s_dummy5[8]; - __u32 s_feature_compat; - __u32 s_feature_incompat; - __u32 s_feature_ro_compat; - unsigned char s_uuid[16]; - char s_volume_name[16]; -}; -#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x00000004 -#define EXT3_FEATURE_INCOMPAT_RECOVER 0x00000004 -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x00000008 - -struct xfs_super_block { - unsigned char xs_magic[4]; - __u32 xs_blocksize; - __u64 xs_dblocks; - __u64 xs_rblocks; - __u32 xs_dummy1[2]; - unsigned char xs_uuid[16]; - __u32 xs_dummy2[15]; - char xs_fname[12]; - __u32 xs_dummy3[2]; - __u64 xs_icount; - __u64 xs_ifree; - __u64 xs_fdblocks; -}; - -struct reiserfs_super_block { - __u32 rs_blocks_count; - __u32 rs_free_blocks; - __u32 rs_root_block; - __u32 rs_journal_block; - __u32 rs_journal_dev; - __u32 rs_orig_journal_size; - __u32 rs_dummy2[5]; - __u16 rs_blocksize; - __u16 rs_dummy3[3]; - unsigned char rs_magic[12]; - __u32 rs_dummy4[5]; - unsigned char rs_uuid[16]; - char rs_label[16]; -}; - -struct jfs_super_block { - unsigned char js_magic[4]; - __u32 js_version; - __u64 js_size; - __u32 js_bsize; - __u32 js_dummy1; - __u32 js_pbsize; - __u32 js_dummy2[27]; - unsigned char js_uuid[16]; - unsigned char js_label[16]; - unsigned char js_loguuid[16]; -}; - -struct romfs_super_block { - unsigned char ros_magic[8]; - __u32 ros_dummy1[2]; - unsigned char ros_volume[16]; -}; - -struct cramfs_super_block { - __u8 magic[4]; - __u32 size; - __u32 flags; - __u32 future; - __u8 signature[16]; - struct cramfs_info { - __u32 crc; - __u32 edition; - __u32 blocks; - __u32 files; - } info; - __u8 name[16]; -}; - -struct swap_id_block { -/* unsigned char sws_boot[1024]; */ - __u32 sws_version; - __u32 sws_lastpage; - __u32 sws_nrbad; - unsigned char sws_uuid[16]; - char sws_volume[16]; - unsigned char sws_pad[117]; - __u32 sws_badpg; -}; - -/* Yucky misaligned values */ -struct vfat_super_block { -/* 00*/ unsigned char vs_ignored[3]; -/* 03*/ unsigned char vs_sysid[8]; -/* 0b*/ unsigned char vs_sector_size[2]; -/* 0d*/ __u8 vs_cluster_size; -/* 0e*/ __u16 vs_reserved; -/* 10*/ __u8 vs_fats; -/* 11*/ unsigned char vs_dir_entries[2]; -/* 13*/ unsigned char vs_sectors[2]; -/* 15*/ unsigned char vs_media; -/* 16*/ __u16 vs_fat_length; -/* 18*/ __u16 vs_secs_track; -/* 1a*/ __u16 vs_heads; -/* 1c*/ __u32 vs_hidden; -/* 20*/ __u32 vs_total_sect; -/* 24*/ __u32 vs_fat32_length; -/* 28*/ __u16 vs_flags; -/* 2a*/ __u8 vs_version[2]; -/* 2c*/ __u32 vs_root_cluster; -/* 30*/ __u16 vs_insfo_sector; -/* 32*/ __u16 vs_backup_boot; -/* 34*/ __u16 vs_reserved2[6]; -/* 40*/ unsigned char vs_unknown[3]; -/* 43*/ unsigned char vs_serno[4]; -/* 47*/ char vs_label[11]; -/* 52*/ unsigned char vs_magic[8]; -/* 5a*/ unsigned char vs_dummy2[164]; -/*1fe*/ unsigned char vs_pmagic[2]; -}; - -/* Yucky misaligned values */ -struct msdos_super_block { -/* 00*/ unsigned char ms_ignored[3]; -/* 03*/ unsigned char ms_sysid[8]; -/* 0b*/ unsigned char ms_sector_size[2]; -/* 0d*/ __u8 ms_cluster_size; -/* 0e*/ __u16 ms_reserved; -/* 10*/ __u8 ms_fats; -/* 11*/ unsigned char ms_dir_entries[2]; -/* 13*/ unsigned char ms_sectors[2]; -/* 15*/ unsigned char ms_media; -/* 16*/ __u16 ms_fat_length; -/* 18*/ __u16 ms_secs_track; -/* 1a*/ __u16 ms_heads; -/* 1c*/ __u32 ms_hidden; -/* 20*/ __u32 ms_total_sect; -/* 24*/ unsigned char ms_unknown[3]; -/* 27*/ unsigned char ms_serno[4]; -/* 2b*/ char ms_label[11]; -/* 36*/ unsigned char ms_magic[8]; -/* 3d*/ unsigned char ms_dummy2[192]; -/*1fe*/ unsigned char ms_pmagic[2]; -}; - -struct minix_super_block { - __u16 ms_ninodes; - __u16 ms_nzones; - __u16 ms_imap_blocks; - __u16 ms_zmap_blocks; - __u16 ms_firstdatazone; - __u16 ms_log_zone_size; - __u32 ms_max_size; - unsigned char ms_magic[2]; - __u16 ms_state; - __u32 ms_zones; -}; - -struct mdp_superblock_s { - __u32 md_magic; - __u32 major_version; - __u32 minor_version; - __u32 patch_version; - __u32 gvalid_words; - __u32 set_uuid0; - __u32 ctime; - __u32 level; - __u32 size; - __u32 nr_disks; - __u32 raid_disks; - __u32 md_minor; - __u32 not_persistent; - __u32 set_uuid1; - __u32 set_uuid2; - __u32 set_uuid3; -}; - -struct hfs_super_block { - char h_magic[2]; - char h_dummy[18]; - __u32 h_blksize; -}; - -struct ocfs_volume_header { - unsigned char minor_version[4]; - unsigned char major_version[4]; - unsigned char signature[128]; - char mount[128]; - unsigned char mount_len[2]; -}; - -struct ocfs_volume_label { - unsigned char disk_lock[48]; - char label[64]; - unsigned char label_len[2]; - unsigned char vol_id[16]; - unsigned char vol_id_len[2]; -}; - -#define ocfsmajor(o) ((__u32)o.major_version[0] \ - + (((__u32) o.major_version[1]) << 8) \ - + (((__u32) o.major_version[2]) << 16) \ - + (((__u32) o.major_version[3]) << 24)) -#define ocfslabellen(o) ((__u32)o.label_len[0] + (((__u32) o.label_len[1]) << 8)) -#define ocfsmountlen(o) ((__u32)o.mount_len[0] + (((__u32) o.mount_len[1])<<8)) - -#define OCFS_MAGIC "OracleCFS" - -struct ocfs2_super_block { - unsigned char signature[8]; - unsigned char s_dummy1[184]; - unsigned char s_dummy2[80]; - char s_label[64]; - unsigned char s_uuid[16]; -}; - -#define OCFS2_MIN_BLOCKSIZE 512 -#define OCFS2_MAX_BLOCKSIZE 4096 - -#define OCFS2_SUPER_BLOCK_BLKNO 2 - -#define OCFS2_SUPER_BLOCK_SIGNATURE "OCFSV2" - -struct oracle_asm_disk_label { - char dummy[32]; - char dl_tag[8]; - char dl_id[24]; -}; - -#define ORACLE_ASM_DISK_LABEL_MARKED "ORCLDISK" -#define ORACLE_ASM_DISK_LABEL_OFFSET 32 - -#define ISODCL(from, to) (to - from + 1) -struct iso_volume_descriptor { - char type[ISODCL(1,1)]; /* 711 */ - char id[ISODCL(2,6)]; - char version[ISODCL(7,7)]; - char data[ISODCL(8,2048)]; -}; - -/* - * Byte swap functions - */ -#ifdef __GNUC__ -#define _INLINE_ static __inline__ -#else /* For Watcom C */ -#define _INLINE_ static inline -#endif - -static __u16 blkid_swab16(__u16 val); -static __u32 blkid_swab32(__u32 val); -static __u64 blkid_swab64(__u64 val); - -#if ((defined __GNUC__) && \ - (defined(__i386__) || defined(__i486__) || defined(__i586__))) - -#define _BLKID_HAVE_ASM_BITOPS_ - -_INLINE_ __u32 blkid_swab32(__u32 val) -{ -#ifdef EXT2FS_REQUIRE_486 - __asm__("bswap %0" : "=r" (val) : "0" (val)); -#else - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (val) - : "0" (val)); -#endif - return val; -} - -_INLINE_ __u16 blkid_swab16(__u16 val) -{ - __asm__("xchgb %b0,%h0" /* swap bytes */ \ - : "=q" (val) \ - : "0" (val)); \ - return val; -} - -_INLINE_ __u64 blkid_swab64(__u64 val) -{ - return blkid_swab32(val >> 32) | - ( ((__u64)blkid_swab32((__u32)val)) << 32 ); -} -#endif - -#if !defined(_BLKID_HAVE_ASM_BITOPS_) - -_INLINE_ __u16 blkid_swab16(__u16 val) -{ - return (val >> 8) | (val << 8); -} - -_INLINE_ __u32 blkid_swab32(__u32 val) -{ - return (val>>24) | ((val>>8) & 0xFF00) | - ((val<<8) & 0xFF0000) | (val<<24); -} - -_INLINE_ __u64 blkid_swab64(__u64 val) -{ - return blkid_swab32(val >> 32) | - ( ((__u64)blkid_swab32((__u32)val)) << 32 ); -} -#endif - - - -#if __BYTE_ORDER == __BIG_ENDIAN -#define blkid_le16(x) blkid_swab16(x) -#define blkid_le32(x) blkid_swab32(x) -#define blkid_le64(x) blkid_swab64(x) -#define blkid_be16(x) (x) -#define blkid_be32(x) (x) -#define blkid_be64(x) (x) -#else -#define blkid_le16(x) (x) -#define blkid_le32(x) (x) -#define blkid_le64(x) (x) -#define blkid_be16(x) blkid_swab16(x) -#define blkid_be32(x) blkid_swab32(x) -#define blkid_be64(x) blkid_swab64(x) -#endif - -#undef _INLINE_ - -#endif /* _BLKID_PROBE_H */ diff --git a/e2fsprogs/blkid/read.c b/e2fsprogs/blkid/read.c deleted file mode 100644 index bb02a2e21..000000000 --- a/e2fsprogs/blkid/read.c +++ /dev/null @@ -1,462 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * read.c - read the blkid cache from disk, to avoid scanning all devices - * - * Copyright (C) 2001, 2003 Theodore Y. Ts'o - * Copyright (C) 2001 Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#include <time.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <unistd.h> -#include <errno.h> - -#include "blkidP.h" -#include "../uuid/uuid.h" - -#ifdef HAVE_STRTOULL -#define __USE_ISOC9X -#define STRTOULL strtoull /* defined in stdlib.h if you try hard enough */ -#else -/* FIXME: need to support real strtoull here */ -#define STRTOULL strtoul -#endif - -#include <stdlib.h> - -#ifdef TEST_PROGRAM -#define blkid_debug_dump_dev(dev) (debug_dump_dev(dev)) -static void debug_dump_dev(blkid_dev dev); -#endif - -/* - * File format: - * - * <device [<NAME="value"> ...]>device_name</device> - * - * The following tags are required for each entry: - * <ID="id"> unique (within this file) ID number of this device - * <TIME="time"> (ascii time_t) time this entry was last read from disk - * <TYPE="type"> (detected) type of filesystem/data for this partition - * - * The following tags may be present, depending on the device contents - * <LABEL="label"> (user supplied) label (volume name, etc) - * <UUID="uuid"> (generated) universally unique identifier (serial no) - */ - -static char *skip_over_blank(char *cp) -{ - while (*cp && isspace(*cp)) - cp++; - return cp; -} - -static char *skip_over_word(char *cp) -{ - char ch; - - while ((ch = *cp)) { - /* If we see a backslash, skip the next character */ - if (ch == '\\') { - cp++; - if (*cp == '\0') - break; - cp++; - continue; - } - if (isspace(ch) || ch == '<' || ch == '>') - break; - cp++; - } - return cp; -} - -static char *strip_line(char *line) -{ - char *p; - - line = skip_over_blank(line); - - p = line + strlen(line) - 1; - - while (*line) { - if (isspace(*p)) - *p-- = '\0'; - else - break; - } - - return line; -} - -/* - * Start parsing a new line from the cache. - * - * line starts with "<device" return 1 -> continue parsing line - * line starts with "<foo", empty, or # return 0 -> skip line - * line starts with other, return -BLKID_ERR_CACHE -> error - */ -static int parse_start(char **cp) -{ - char *p; - - p = strip_line(*cp); - - /* Skip comment or blank lines. We can't just NUL the first '#' char, - * in case it is inside quotes, or escaped. - */ - if (*p == '\0' || *p == '#') - return 0; - - if (!strncmp(p, "<device", 7)) { - DBG(DEBUG_READ, printf("found device header: %8s\n", p)); - p += 7; - - *cp = p; - return 1; - } - - if (*p == '<') - return 0; - - return -BLKID_ERR_CACHE; -} - -/* Consume the remaining XML on the line (cosmetic only) */ -static int parse_end(char **cp) -{ - *cp = skip_over_blank(*cp); - - if (!strncmp(*cp, "</device>", 9)) { - DBG(DEBUG_READ, printf("found device trailer %9s\n", *cp)); - *cp += 9; - return 0; - } - - return -BLKID_ERR_CACHE; -} - -/* - * Allocate a new device struct with device name filled in. Will handle - * finding the device on lines of the form: - * <device foo=bar>devname</device> - * <device>devname<foo>bar</foo></device> - */ -static int parse_dev(blkid_cache cache, blkid_dev *dev, char **cp) -{ - char *start, *tmp, *end, *name; - int ret; - - if ((ret = parse_start(cp)) <= 0) - return ret; - - start = tmp = strchr(*cp, '>'); - if (!start) { - DBG(DEBUG_READ, - printf("blkid: short line parsing dev: %s\n", *cp)); - return -BLKID_ERR_CACHE; - } - start = skip_over_blank(start + 1); - end = skip_over_word(start); - - DBG(DEBUG_READ, printf("device should be %*s\n", end - start, start)); - - if (**cp == '>') - *cp = end; - else - (*cp)++; - - *tmp = '\0'; - - if (!(tmp = strrchr(end, '<')) || parse_end(&tmp) < 0) { - DBG(DEBUG_READ, - printf("blkid: missing </device> ending: %s\n", end)); - } else if (tmp) - *tmp = '\0'; - - if (end - start <= 1) { - DBG(DEBUG_READ, printf("blkid: empty device name: %s\n", *cp)); - return -BLKID_ERR_CACHE; - } - - name = blkid_strndup(start, end-start); - if (name == NULL) - return -BLKID_ERR_MEM; - - DBG(DEBUG_READ, printf("found dev %s\n", name)); - - if (!(*dev = blkid_get_dev(cache, name, BLKID_DEV_CREATE))) - return -BLKID_ERR_MEM; - - free(name); - return 1; -} - -/* - * Extract a tag of the form NAME="value" from the line. - */ -static int parse_token(char **name, char **value, char **cp) -{ - char *end; - - if (!name || !value || !cp) - return -BLKID_ERR_PARAM; - - if (!(*value = strchr(*cp, '='))) - return 0; - - **value = '\0'; - *name = strip_line(*cp); - *value = skip_over_blank(*value + 1); - - if (**value == '"') { - end = strchr(*value + 1, '"'); - if (!end) { - DBG(DEBUG_READ, - printf("unbalanced quotes at: %s\n", *value)); - *cp = *value; - return -BLKID_ERR_CACHE; - } - (*value)++; - *end = '\0'; - end++; - } else { - end = skip_over_word(*value); - if (*end) { - *end = '\0'; - end++; - } - } - *cp = end; - - return 1; -} - -/* - * Extract a tag of the form <NAME>value</NAME> from the line. - */ -/* -static int parse_xml(char **name, char **value, char **cp) -{ - char *end; - - if (!name || !value || !cp) - return -BLKID_ERR_PARAM; - - *name = strip_line(*cp); - - if ((*name)[0] != '<' || (*name)[1] == '/') - return 0; - - FIXME: finish this. -} -*/ - -/* - * Extract a tag from the line. - * - * Return 1 if a valid tag was found. - * Return 0 if no tag found. - * Return -ve error code. - */ -static int parse_tag(blkid_cache cache, blkid_dev dev, char **cp) -{ - char *name; - char *value; - int ret; - - if (!cache || !dev) - return -BLKID_ERR_PARAM; - - if ((ret = parse_token(&name, &value, cp)) <= 0 /* && - (ret = parse_xml(&name, &value, cp)) <= 0 */) - return ret; - - /* Some tags are stored directly in the device struct */ - if (!strcmp(name, "DEVNO")) - dev->bid_devno = STRTOULL(value, 0, 0); - else if (!strcmp(name, "PRI")) - dev->bid_pri = strtol(value, 0, 0); - else if (!strcmp(name, "TIME")) - /* FIXME: need to parse a long long eventually */ - dev->bid_time = strtol(value, 0, 0); - else - ret = blkid_set_tag(dev, name, value, strlen(value)); - - DBG(DEBUG_READ, printf(" tag: %s=\"%s\"\n", name, value)); - - return ret < 0 ? ret : 1; -} - -/* - * Parse a single line of data, and return a newly allocated dev struct. - * Add the new device to the cache struct, if one was read. - * - * Lines are of the form <device [TAG="value" ...]>/dev/foo</device> - * - * Returns -ve value on error. - * Returns 0 otherwise. - * If a valid device was read, *dev_p is non-NULL, otherwise it is NULL - * (e.g. comment lines, unknown XML content, etc). - */ -static int blkid_parse_line(blkid_cache cache, blkid_dev *dev_p, char *cp) -{ - blkid_dev dev; - int ret; - - if (!cache || !dev_p) - return -BLKID_ERR_PARAM; - - *dev_p = NULL; - - DBG(DEBUG_READ, printf("line: %s\n", cp)); - - if ((ret = parse_dev(cache, dev_p, &cp)) <= 0) - return ret; - - dev = *dev_p; - - while ((ret = parse_tag(cache, dev, &cp)) > 0) { - ; - } - - if (dev->bid_type == NULL) { - DBG(DEBUG_READ, - printf("blkid: device %s has no TYPE\n",dev->bid_name)); - blkid_free_dev(dev); - } - - DBG(DEBUG_READ, blkid_debug_dump_dev(dev)); - - return ret; -} - -/* - * Parse the specified filename, and return the data in the supplied or - * a newly allocated cache struct. If the file doesn't exist, return a - * new empty cache struct. - */ -void blkid_read_cache(blkid_cache cache) -{ - FILE *file; - char buf[4096]; - int fd, lineno = 0; - struct stat st; - - if (!cache) - return; - - /* - * If the file doesn't exist, then we just return an empty - * struct so that the cache can be populated. - */ - if ((fd = open(cache->bic_filename, O_RDONLY)) < 0) - return; - if (fstat(fd, &st) < 0) - goto errout; - if ((st.st_mtime == cache->bic_ftime) || - (cache->bic_flags & BLKID_BIC_FL_CHANGED)) { - DBG(DEBUG_CACHE, printf("skipping re-read of %s\n", - cache->bic_filename)); - goto errout; - } - - DBG(DEBUG_CACHE, printf("reading cache file %s\n", - cache->bic_filename)); - - file = fdopen(fd, "r"); - if (!file) - goto errout; - - while (fgets(buf, sizeof(buf), file)) { - blkid_dev dev; - unsigned int end; - - lineno++; - if (buf[0] == 0) - continue; - end = strlen(buf) - 1; - /* Continue reading next line if it ends with a backslash */ - while (buf[end] == '\\' && end < sizeof(buf) - 2 && - fgets(buf + end, sizeof(buf) - end, file)) { - end = strlen(buf) - 1; - lineno++; - } - - if (blkid_parse_line(cache, &dev, buf) < 0) { - DBG(DEBUG_READ, - printf("blkid: bad format on line %d\n", lineno)); - continue; - } - } - fclose(file); - - /* - * Initially we do not need to write out the cache file. - */ - cache->bic_flags &= ~BLKID_BIC_FL_CHANGED; - cache->bic_ftime = st.st_mtime; - - return; -errout: - close(fd); - return; -} - -#ifdef TEST_PROGRAM -static void debug_dump_dev(blkid_dev dev) -{ - struct list_head *p; - - if (!dev) { - printf(" dev: NULL\n"); - return; - } - - printf(" dev: name = %s\n", dev->bid_name); - printf(" dev: DEVNO=\"0x%0llx\"\n", dev->bid_devno); - printf(" dev: TIME=\"%lu\"\n", dev->bid_time); - printf(" dev: PRI=\"%d\"\n", dev->bid_pri); - printf(" dev: flags = 0x%08X\n", dev->bid_flags); - - list_for_each(p, &dev->bid_tags) { - blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags); - if (tag) - printf(" tag: %s=\"%s\"\n", tag->bit_name, - tag->bit_val); - else - printf(" tag: NULL\n"); - } - puts(""); -} - -int main(int argc, char**argv) -{ - blkid_cache cache = NULL; - int ret; - - blkid_debug_mask = DEBUG_ALL; - if (argc > 2) { - fprintf(stderr, "Usage: %s [filename]\n" - "Test parsing of the cache (filename)\n", argv[0]); - exit(1); - } - if ((ret = blkid_get_cache(&cache, argv[1])) < 0) - fprintf(stderr, "error %d reading cache file %s\n", ret, - argv[1] ? argv[1] : BLKID_CACHE_FILE); - - blkid_put_cache(cache); - - return ret; -} -#endif diff --git a/e2fsprogs/blkid/resolve.c b/e2fsprogs/blkid/resolve.c deleted file mode 100644 index 7942de2cd..000000000 --- a/e2fsprogs/blkid/resolve.c +++ /dev/null @@ -1,139 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * resolve.c - resolve names and tags into specific devices - * - * Copyright (C) 2001, 2003 Theodore Ts'o. - * Copyright (C) 2001 Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdio.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <stdlib.h> -#include <fcntl.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "blkidP.h" -#include "probe.h" - -/* - * Find a tagname (e.g. LABEL or UUID) on a specific device. - */ -char *blkid_get_tag_value(blkid_cache cache, const char *tagname, - const char *devname) -{ - blkid_tag found; - blkid_dev dev; - blkid_cache c = cache; - char *ret = NULL; - - DBG(DEBUG_RESOLVE, printf("looking for %s on %s\n", tagname, devname)); - - if (!devname) - return NULL; - - if (!cache) { - if (blkid_get_cache(&c, NULL) < 0) - return NULL; - } - - if ((dev = blkid_get_dev(c, devname, BLKID_DEV_NORMAL)) && - (found = blkid_find_tag_dev(dev, tagname))) - ret = blkid_strdup(found->bit_val); - - if (!cache) - blkid_put_cache(c); - - return ret; -} - -/* - * Locate a device name from a token (NAME=value string), or (name, value) - * pair. In the case of a token, value is ignored. If the "token" is not - * of the form "NAME=value" and there is no value given, then it is assumed - * to be the actual devname and a copy is returned. - */ -char *blkid_get_devname(blkid_cache cache, const char *token, - const char *value) -{ - blkid_dev dev; - blkid_cache c = cache; - char *t = 0, *v = 0; - char *ret = NULL; - - if (!token) - return NULL; - - if (!cache) { - if (blkid_get_cache(&c, NULL) < 0) - return NULL; - } - - DBG(DEBUG_RESOLVE, - printf("looking for %s%s%s %s\n", token, value ? "=" : "", - value ? value : "", cache ? "in cache" : "from disk")); - - if (!value) { - if (!strchr(token, '=')) - return blkid_strdup(token); - blkid_parse_tag_string(token, &t, &v); - if (!t || !v) - goto errout; - token = t; - value = v; - } - - dev = blkid_find_dev_with_tag(c, token, value); - if (!dev) - goto errout; - - ret = blkid_strdup(blkid_dev_devname(dev)); - -errout: - free(t); - free(v); - if (!cache) { - blkid_put_cache(c); - } - return ret; -} - -#ifdef TEST_PROGRAM -int main(int argc, char **argv) -{ - char *value; - blkid_cache cache; - - blkid_debug_mask = DEBUG_ALL; - if (argc != 2 && argc != 3) { - fprintf(stderr, "Usage:\t%s tagname=value\n" - "\t%s tagname devname\n" - "Find which device holds a given token or\n" - "Find what the value of a tag is in a device\n", - argv[0], argv[0]); - exit(1); - } - if (blkid_get_cache(&cache, bb_dev_null) < 0) { - fprintf(stderr, "cannot get blkid cache\n"); - exit(1); - } - - if (argv[2]) { - value = blkid_get_tag_value(cache, argv[1], argv[2]); - printf("%s has tag %s=%s\n", argv[2], argv[1], - value ? value : "<missing>"); - } else { - value = blkid_get_devname(cache, argv[1], NULL); - printf("%s has tag %s\n", value ? value : "<none>", argv[1]); - } - blkid_put_cache(cache); - return value ? 0 : 1; -} -#endif diff --git a/e2fsprogs/blkid/save.c b/e2fsprogs/blkid/save.c deleted file mode 100644 index cdbaabcb1..000000000 --- a/e2fsprogs/blkid/save.c +++ /dev/null @@ -1,189 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * save.c - write the cache struct to disk - * - * Copyright (C) 2001 by Andreas Dilger - * Copyright (C) 2003 Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/types.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_MKDEV_H -#include <sys/mkdev.h> -#endif -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#include "blkidP.h" - -static int save_dev(blkid_dev dev, FILE *file) -{ - struct list_head *p; - - if (!dev || dev->bid_name[0] != '/') - return 0; - - DBG(DEBUG_SAVE, - printf("device %s, type %s\n", dev->bid_name, dev->bid_type)); - - fprintf(file, - "<device DEVNO=\"0x%04lx\" TIME=\"%lu\"", - (unsigned long) dev->bid_devno, dev->bid_time); - if (dev->bid_pri) - fprintf(file, " PRI=\"%d\"", dev->bid_pri); - list_for_each(p, &dev->bid_tags) { - blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags); - fprintf(file, " %s=\"%s\"", tag->bit_name,tag->bit_val); - } - fprintf(file, ">%s</device>\n", dev->bid_name); - - return 0; -} - -/* - * Write out the cache struct to the cache file on disk. - */ -int blkid_flush_cache(blkid_cache cache) -{ - struct list_head *p; - char *tmp = NULL; - const char *opened = NULL; - const char *filename; - FILE *file = NULL; - int fd, ret = 0; - struct stat st; - - if (!cache) - return -BLKID_ERR_PARAM; - - if (list_empty(&cache->bic_devs) || - !(cache->bic_flags & BLKID_BIC_FL_CHANGED)) { - DBG(DEBUG_SAVE, printf("skipping cache file write\n")); - return 0; - } - - filename = cache->bic_filename ? cache->bic_filename: BLKID_CACHE_FILE; - - /* If we can't write to the cache file, then don't even try */ - if (((ret = stat(filename, &st)) < 0 && errno != ENOENT) || - (ret == 0 && access(filename, W_OK) < 0)) { - DBG(DEBUG_SAVE, - printf("can't write to cache file %s\n", filename)); - return 0; - } - - /* - * Try and create a temporary file in the same directory so - * that in case of error we don't overwrite the cache file. - * If the cache file doesn't yet exist, it isn't a regular - * file (e.g. /dev/null or a socket), or we couldn't create - * a temporary file then we open it directly. - */ - if (ret == 0 && S_ISREG(st.st_mode)) { - tmp = xmalloc(strlen(filename) + 8); - sprintf(tmp, "%s-XXXXXX", filename); - fd = mkstemp(tmp); - if (fd >= 0) { - file = fdopen(fd, "w"); - opened = tmp; - } - fchmod(fd, 0644); - } - - if (!file) { - file = fopen(filename, "w"); - opened = filename; - } - - DBG(DEBUG_SAVE, - printf("writing cache file %s (really %s)\n", - filename, opened)); - - if (!file) { - ret = errno; - goto errout; - } - - list_for_each(p, &cache->bic_devs) { - blkid_dev dev = list_entry(p, struct blkid_struct_dev, bid_devs); - if (!dev->bid_type) - continue; - if ((ret = save_dev(dev, file)) < 0) - break; - } - - if (ret >= 0) { - cache->bic_flags &= ~BLKID_BIC_FL_CHANGED; - ret = 1; - } - - fclose(file); - if (opened != filename) { - if (ret < 0) { - unlink(opened); - DBG(DEBUG_SAVE, - printf("unlinked temp cache %s\n", opened)); - } else { - char *backup; - - backup = xmalloc(strlen(filename) + 5); - sprintf(backup, "%s.old", filename); - unlink(backup); - link(filename, backup); - free(backup); - rename(opened, filename); - DBG(DEBUG_SAVE, - printf("moved temp cache %s\n", opened)); - } - } - -errout: - free(tmp); - return ret; -} - -#ifdef TEST_PROGRAM -int main(int argc, char **argv) -{ - blkid_cache cache = NULL; - int ret; - - blkid_debug_mask = DEBUG_ALL; - if (argc > 2) { - fprintf(stderr, "Usage: %s [filename]\n" - "Test loading/saving a cache (filename)\n", argv[0]); - exit(1); - } - - if ((ret = blkid_get_cache(&cache, bb_dev_null)) != 0) { - fprintf(stderr, "%s: error creating cache (%d)\n", - argv[0], ret); - exit(1); - } - if ((ret = blkid_probe_all(cache)) < 0) { - fprintf(stderr, "error (%d) probing devices\n", ret); - exit(1); - } - cache->bic_filename = blkid_strdup(argv[1]); - - if ((ret = blkid_flush_cache(cache)) < 0) { - fprintf(stderr, "error (%d) saving cache\n", ret); - exit(1); - } - - blkid_put_cache(cache); - - return ret; -} -#endif diff --git a/e2fsprogs/blkid/tag.c b/e2fsprogs/blkid/tag.c deleted file mode 100644 index 9e862a50a..000000000 --- a/e2fsprogs/blkid/tag.c +++ /dev/null @@ -1,432 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * tag.c - allocation/initialization/free routines for tag structs - * - * Copyright (C) 2001 Andreas Dilger - * Copyright (C) 2003 Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - * %End-Header% - */ - -#include <stdlib.h> -#include <string.h> -#include <stdio.h> - -#include "blkidP.h" - -static blkid_tag blkid_new_tag(void) -{ - blkid_tag tag; - - if (!(tag = (blkid_tag) calloc(1, sizeof(struct blkid_struct_tag)))) - return NULL; - - INIT_LIST_HEAD(&tag->bit_tags); - INIT_LIST_HEAD(&tag->bit_names); - - return tag; -} - -#ifdef CONFIG_BLKID_DEBUG -void blkid_debug_dump_tag(blkid_tag tag) -{ - if (!tag) { - printf(" tag: NULL\n"); - return; - } - - printf(" tag: %s=\"%s\"\n", tag->bit_name, tag->bit_val); -} -#endif - -void blkid_free_tag(blkid_tag tag) -{ - if (!tag) - return; - - DBG(DEBUG_TAG, printf(" freeing tag %s=%s\n", tag->bit_name, - tag->bit_val ? tag->bit_val : "(NULL)")); - DBG(DEBUG_TAG, blkid_debug_dump_tag(tag)); - - list_del(&tag->bit_tags); /* list of tags for this device */ - list_del(&tag->bit_names); /* list of tags with this type */ - - free(tag->bit_name); - free(tag->bit_val); - free(tag); -} - -/* - * Find the desired tag on a device. If value is NULL, then the - * first such tag is returned, otherwise return only exact tag if found. - */ -blkid_tag blkid_find_tag_dev(blkid_dev dev, const char *type) -{ - struct list_head *p; - - if (!dev || !type) - return NULL; - - list_for_each(p, &dev->bid_tags) { - blkid_tag tmp = list_entry(p, struct blkid_struct_tag, - bit_tags); - - if (!strcmp(tmp->bit_name, type)) - return tmp; - } - return NULL; -} - -/* - * Find the desired tag type in the cache. - * We return the head tag for this tag type. - */ -static blkid_tag blkid_find_head_cache(blkid_cache cache, const char *type) -{ - blkid_tag head = NULL, tmp; - struct list_head *p; - - if (!cache || !type) - return NULL; - - list_for_each(p, &cache->bic_tags) { - tmp = list_entry(p, struct blkid_struct_tag, bit_tags); - if (!strcmp(tmp->bit_name, type)) { - DBG(DEBUG_TAG, - printf(" found cache tag head %s\n", type)); - head = tmp; - break; - } - } - return head; -} - -/* - * Set a tag on an existing device. - * - * If value is NULL, then delete the tagsfrom the device. - */ -int blkid_set_tag(blkid_dev dev, const char *name, - const char *value, const int vlength) -{ - blkid_tag t = 0, head = 0; - char *val = 0; - - if (!dev || !name) - return -BLKID_ERR_PARAM; - - if (!(val = blkid_strndup(value, vlength)) && value) - return -BLKID_ERR_MEM; - t = blkid_find_tag_dev(dev, name); - if (!value) { - blkid_free_tag(t); - } else if (t) { - if (!strcmp(t->bit_val, val)) { - /* Same thing, exit */ - free(val); - return 0; - } - free(t->bit_val); - t->bit_val = val; - } else { - /* Existing tag not present, add to device */ - if (!(t = blkid_new_tag())) - goto errout; - t->bit_name = blkid_strdup(name); - t->bit_val = val; - t->bit_dev = dev; - - list_add_tail(&t->bit_tags, &dev->bid_tags); - - if (dev->bid_cache) { - head = blkid_find_head_cache(dev->bid_cache, - t->bit_name); - if (!head) { - head = blkid_new_tag(); - if (!head) - goto errout; - - DBG(DEBUG_TAG, - printf(" creating new cache tag head %s\n", name)); - head->bit_name = blkid_strdup(name); - if (!head->bit_name) - goto errout; - list_add_tail(&head->bit_tags, - &dev->bid_cache->bic_tags); - } - list_add_tail(&t->bit_names, &head->bit_names); - } - } - - /* Link common tags directly to the device struct */ - if (!strcmp(name, "TYPE")) - dev->bid_type = val; - else if (!strcmp(name, "LABEL")) - dev->bid_label = val; - else if (!strcmp(name, "UUID")) - dev->bid_uuid = val; - - if (dev->bid_cache) - dev->bid_cache->bic_flags |= BLKID_BIC_FL_CHANGED; - return 0; - -errout: - blkid_free_tag(t); - if (!t) - free(val); - blkid_free_tag(head); - return -BLKID_ERR_MEM; -} - - -/* - * Parse a "NAME=value" string. This is slightly different than - * parse_token, because that will end an unquoted value at a space, while - * this will assume that an unquoted value is the rest of the token (e.g. - * if we are passed an already quoted string from the command-line we don't - * have to both quote and escape quote so that the quotes make it to - * us). - * - * Returns 0 on success, and -1 on failure. - */ -int blkid_parse_tag_string(const char *token, char **ret_type, char **ret_val) -{ - char *name, *value, *cp; - - DBG(DEBUG_TAG, printf("trying to parse '%s' as a tag\n", token)); - - if (!token || !(cp = strchr(token, '='))) - return -1; - - name = blkid_strdup(token); - if (!name) - return -1; - value = name + (cp - token); - *value++ = '\0'; - if (*value == '"' || *value == '\'') { - char c = *value++; - if (!(cp = strrchr(value, c))) - goto errout; /* missing closing quote */ - *cp = '\0'; - } - value = blkid_strdup(value); - if (!value) - goto errout; - - *ret_type = name; - *ret_val = value; - - return 0; - -errout: - free(name); - return -1; -} - -/* - * Tag iteration routines for the public libblkid interface. - * - * These routines do not expose the list.h implementation, which are a - * contamination of the namespace, and which force us to reveal far, far - * too much of our internal implemenation. I'm not convinced I want - * to keep list.h in the long term, anyway. It's fine for kernel - * programming, but performance is not the #1 priority for this - * library, and I really don't like the tradeoff of type-safety for - * performance for this application. [tytso:20030125.2007EST] - */ - -/* - * This series of functions iterate over all tags in a device - */ -#define TAG_ITERATE_MAGIC 0x01a5284c - -struct blkid_struct_tag_iterate { - int magic; - blkid_dev dev; - struct list_head *p; -}; - -blkid_tag_iterate blkid_tag_iterate_begin(blkid_dev dev) -{ - blkid_tag_iterate iter; - - iter = xmalloc(sizeof(struct blkid_struct_tag_iterate)); - iter->magic = TAG_ITERATE_MAGIC; - iter->dev = dev; - iter->p = dev->bid_tags.next; - return iter; -} - -/* - * Return 0 on success, -1 on error - */ -extern int blkid_tag_next(blkid_tag_iterate iter, - const char **type, const char **value) -{ - blkid_tag tag; - - *type = 0; - *value = 0; - if (!iter || iter->magic != TAG_ITERATE_MAGIC || - iter->p == &iter->dev->bid_tags) - return -1; - tag = list_entry(iter->p, struct blkid_struct_tag, bit_tags); - *type = tag->bit_name; - *value = tag->bit_val; - iter->p = iter->p->next; - return 0; -} - -void blkid_tag_iterate_end(blkid_tag_iterate iter) -{ - if (!iter || iter->magic != TAG_ITERATE_MAGIC) - return; - iter->magic = 0; - free(iter); -} - -/* - * This function returns a device which matches a particular - * type/value pair. If there is more than one device that matches the - * search specification, it returns the one with the highest priority - * value. This allows us to give preference to EVMS or LVM devices. - * - * XXX there should also be an interface which uses an iterator so we - * can get all of the devices which match a type/value search parameter. - */ -extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache, - const char *type, - const char *value) -{ - blkid_tag head; - blkid_dev dev; - int pri; - struct list_head *p; - - if (!cache || !type || !value) - return NULL; - - blkid_read_cache(cache); - - DBG(DEBUG_TAG, printf("looking for %s=%s in cache\n", type, value)); - -try_again: - pri = -1; - dev = 0; - head = blkid_find_head_cache(cache, type); - - if (head) { - list_for_each(p, &head->bit_names) { - blkid_tag tmp = list_entry(p, struct blkid_struct_tag, - bit_names); - - if (!strcmp(tmp->bit_val, value) && - tmp->bit_dev->bid_pri > pri) { - dev = tmp->bit_dev; - pri = dev->bid_pri; - } - } - } - if (dev && !(dev->bid_flags & BLKID_BID_FL_VERIFIED)) { - dev = blkid_verify(cache, dev); - if (dev && (dev->bid_flags & BLKID_BID_FL_VERIFIED)) - goto try_again; - } - - if (!dev && !(cache->bic_flags & BLKID_BIC_FL_PROBED)) { - if (blkid_probe_all(cache) < 0) - return NULL; - goto try_again; - } - return dev; -} - -#ifdef TEST_PROGRAM -#ifdef HAVE_GETOPT_H -#include <getopt.h> -#else -extern char *optarg; -extern int optind; -#endif - -void usage(char *prog) -{ - fprintf(stderr, "Usage: %s [-f blkid_file] [-m debug_mask] device " - "[type value]\n", - prog); - fprintf(stderr, "\tList all tags for a device and exit\n", prog); - exit(1); -} - -int main(int argc, char **argv) -{ - blkid_tag_iterate iter; - blkid_cache cache = NULL; - blkid_dev dev; - int c, ret, found; - int flags = BLKID_DEV_FIND; - char *tmp; - char *file = NULL; - char *devname = NULL; - char *search_type = NULL; - char *search_value = NULL; - const char *type, *value; - - while ((c = getopt (argc, argv, "m:f:")) != EOF) - switch (c) { - case 'f': - file = optarg; - break; - case 'm': - blkid_debug_mask = strtoul (optarg, &tmp, 0); - if (*tmp) { - fprintf(stderr, "Invalid debug mask: %d\n", - optarg); - exit(1); - } - break; - case '?': - usage(argv[0]); - } - if (argc > optind) - devname = argv[optind++]; - if (argc > optind) - search_type = argv[optind++]; - if (argc > optind) - search_value = argv[optind++]; - if (!devname || (argc != optind)) - usage(argv[0]); - - if ((ret = blkid_get_cache(&cache, file)) != 0) { - fprintf(stderr, "%s: error creating cache (%d)\n", - argv[0], ret); - exit(1); - } - - dev = blkid_get_dev(cache, devname, flags); - if (!dev) { - fprintf(stderr, "%s: cannot find device in blkid cache\n"); - exit(1); - } - if (search_type) { - found = blkid_dev_has_tag(dev, search_type, search_value); - printf("Device %s: (%s, %s) %s\n", blkid_dev_devname(dev), - search_type, search_value ? search_value : "NULL", - found ? "FOUND" : "NOT FOUND"); - return !found; - } - printf("Device %s...\n", blkid_dev_devname(dev)); - - iter = blkid_tag_iterate_begin(dev); - while (blkid_tag_next(iter, &type, &value) == 0) { - printf("\tTag %s has value %s\n", type, value); - } - blkid_tag_iterate_end(iter); - - blkid_put_cache(cache); - return 0; -} -#endif diff --git a/e2fsprogs/chattr.c b/e2fsprogs/chattr.c deleted file mode 100644 index 4848e1e1a..000000000 --- a/e2fsprogs/chattr.c +++ /dev/null @@ -1,219 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * chattr.c - Change file attributes on an ext2 file system - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - * 93/11/13 - Replace stat() calls by lstat() to avoid loops - * 94/02/27 - Integrated in Ted's distribution - * 98/12/29 - Ignore symlinks when working recursively (G M Sipe) - * 98/12/29 - Display version info only when -V specified (G M Sipe) - */ - -#include <sys/types.h> -#include <dirent.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/param.h> -#include <sys/stat.h> -#include "ext2fs/ext2_fs.h" - -#ifdef __GNUC__ -# define EXT2FS_ATTR(x) __attribute__(x) -#else -# define EXT2FS_ATTR(x) -#endif - -#include "e2fsbb.h" -#include "e2p/e2p.h" - -#define OPT_ADD 1 -#define OPT_REM 2 -#define OPT_SET 4 -#define OPT_SET_VER 8 -static int flags; -static int recursive; - -static unsigned long version; - -static unsigned long af; -static unsigned long rf; -static unsigned long sf; - -struct flags_char { - unsigned long flag; - char optchar; -}; - -static const struct flags_char flags_array[] = { - { EXT2_NOATIME_FL, 'A' }, - { EXT2_SYNC_FL, 'S' }, - { EXT2_DIRSYNC_FL, 'D' }, - { EXT2_APPEND_FL, 'a' }, - { EXT2_COMPR_FL, 'c' }, - { EXT2_NODUMP_FL, 'd' }, - { EXT2_IMMUTABLE_FL, 'i' }, - { EXT3_JOURNAL_DATA_FL, 'j' }, - { EXT2_SECRM_FL, 's' }, - { EXT2_UNRM_FL, 'u' }, - { EXT2_NOTAIL_FL, 't' }, - { EXT2_TOPDIR_FL, 'T' }, - { 0, 0 } -}; - -static unsigned long get_flag(char c) -{ - const struct flags_char *fp; - for (fp = flags_array; fp->flag; fp++) - if (fp->optchar == c) - return fp->flag; - bb_show_usage(); - return 0; -} - -static int decode_arg(char *arg) -{ - unsigned long *fl; - char opt = *arg++; - - if (opt == '-') { - flags |= OPT_REM; - fl = &rf; - } else if (opt == '+') { - flags |= OPT_ADD; - fl = ⁡ - } else if (opt == '=') { - flags |= OPT_SET; - fl = &sf; - } else - return EOF; - - for (; *arg ; ++arg) - (*fl) |= get_flag(*arg); - - return 1; -} - -static int chattr_dir_proc(const char *, struct dirent *, void *); - -static void change_attributes(const char * name) -{ - unsigned long fsflags; - struct stat st; - - if (lstat(name, &st) == -1) { - bb_error_msg("stat %s failed", name); - return; - } - if (S_ISLNK(st.st_mode) && recursive) - return; - - /* Don't try to open device files, fifos etc. We probably - * ought to display an error if the file was explicitly given - * on the command line (whether or not recursive was - * requested). */ - if (!S_ISREG(st.st_mode) && !S_ISLNK(st.st_mode) && !S_ISDIR(st.st_mode)) - return; - - if (flags & OPT_SET_VER) - if (fsetversion(name, version) == -1) - bb_error_msg("setting version on %s", name); - - if (flags & OPT_SET) { - fsflags = sf; - } else { - if (fgetflags(name, &fsflags) == -1) { - bb_error_msg("reading flags on %s", name); - goto skip_setflags; - } - if (flags & OPT_REM) - fsflags &= ~rf; - if (flags & OPT_ADD) - fsflags |= af; - if (!S_ISDIR(st.st_mode)) - fsflags &= ~EXT2_DIRSYNC_FL; - } - if (fsetflags(name, fsflags) == -1) - bb_error_msg("setting flags on %s", name); - -skip_setflags: - if (S_ISDIR(st.st_mode) && recursive) - iterate_on_dir(name, chattr_dir_proc, NULL); -} - -static int chattr_dir_proc(const char *dir_name, struct dirent *de, - void *private EXT2FS_ATTR((unused))) -{ - /*if (strcmp(de->d_name, ".") || strcmp(de->d_name, "..")) {*/ - if (de->d_name[0] == '.' - && (!de->d_name[1] || (de->d_name[1] == '.' && !de->d_name[2])) - ) { - char *path = concat_subpath_file(dir_name, de->d_name); - if (path) { - change_attributes(path); - free(path); - } - } - return 0; -} - -int chattr_main(int argc, char **argv) -{ - int i; - char *arg; - - /* parse the args */ - for (i = 1; i < argc; ++i) { - arg = argv[i]; - - /* take care of -R and -v <version> */ - if (arg[0] == '-') { - if (arg[1] == 'R' && arg[2] == '\0') { - recursive = 1; - continue; - } else if (arg[1] == 'v' && arg[2] == '\0') { - char *tmp; - ++i; - if (i >= argc) - bb_show_usage(); - version = strtol(argv[i], &tmp, 0); - if (*tmp) - bb_error_msg_and_die("bad version '%s'", arg); - flags |= OPT_SET_VER; - continue; - } - } - - if (decode_arg(arg) == EOF) - break; - } - - /* run sanity checks on all the arguments given us */ - if (i >= argc) - bb_show_usage(); - if ((flags & OPT_SET) && ((flags & OPT_ADD) || (flags & OPT_REM))) - bb_error_msg_and_die("= is incompatible with - and +"); - if ((rf & af) != 0) - bb_error_msg_and_die("Can't set and unset a flag"); - if (!flags) - bb_error_msg_and_die("Must use '-v', =, - or +"); - - /* now run chattr on all the files passed to us */ - while (i < argc) - change_attributes(argv[i++]); - - return EXIT_SUCCESS; -} diff --git a/e2fsprogs/e2fsbb.h b/e2fsprogs/e2fsbb.h deleted file mode 100644 index 78e7cbd04..000000000 --- a/e2fsprogs/e2fsbb.h +++ /dev/null @@ -1,43 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * File: e2fsbb.h - * - * Redefine a bunch of e2fsprogs stuff to use busybox routines - * instead. This makes upgrade between e2fsprogs versions easy. - */ - -#ifndef __E2FSBB_H__ -#define __E2FSBB_H__ 1 - -#include "libbb.h" - -/* version we've last synced against */ -#define E2FSPROGS_VERSION "1.38" -#define E2FSPROGS_DATE "30-Jun-2005" - -typedef long errcode_t; -#define ERRCODE_RANGE 8 -#define error_message(code) strerror((int) (code & ((1<<ERRCODE_RANGE)-1))) - -/* header defines */ -#define ENABLE_HTREE 1 -#define HAVE_ERRNO_H 1 -#define HAVE_EXT2_IOCTLS 1 -#define HAVE_LINUX_FD_H 1 -#define HAVE_MNTENT_H 1 -#define HAVE_NETINET_IN_H 1 -#define HAVE_NET_IF_H 1 -#define HAVE_SYS_IOCTL_H 1 -#define HAVE_SYS_MOUNT_H 1 -#define HAVE_SYS_QUEUE_H 1 -#define HAVE_SYS_STAT_H 1 -#define HAVE_SYS_TYPES_H 1 -#define HAVE_UNISTD_H 1 - -/* Endianness */ -#if BB_BIG_ENDIAN -#define ENABLE_SWAPFS 1 -#define WORDS_BIGENDIAN 1 -#endif - -#endif /* __E2FSBB_H__ */ diff --git a/e2fsprogs/e2fsck.c b/e2fsprogs/e2fsck.c deleted file mode 100644 index 408b2758d..000000000 --- a/e2fsprogs/e2fsck.c +++ /dev/null @@ -1,13552 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * e2fsck - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. - * Copyright (C) 2006 Garrett Kajmowicz - * - * Dictionary Abstract Data Type - * Copyright (C) 1997 Kaz Kylheku <kaz@ashi.footprints.net> - * Free Software License: - * All rights are reserved by the author, with the following exceptions: - * Permission is granted to freely reproduce and distribute this software, - * possibly in exchange for a fee, provided that this copyright notice appears - * intact. Permission is also granted to adapt this software to produce - * derivative works, as long as the modified versions carry this copyright - * notice and additional notices stating that the work has been modified. - * This source code may be translated into executable form and incorporated - * into proprietary software; there is no requirement for such software to - * contain a copyright notice related to this source. - * - * linux/fs/recovery and linux/fs/revoke - * Written by Stephen C. Tweedie <sct@redhat.com>, 1999 - * - * Copyright 1999-2000 Red Hat Software --- All Rights Reserved - * - * Journal recovery routines for the generic filesystem journaling code; - * part of the ext2fs journaling system. - * - * Licensed under GPLv2 or later, see file License in this tarball for details. - */ - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE 1 /* get strnlen() */ -#endif - -#include "e2fsck.h" /*Put all of our defines here to clean things up*/ - -#define _(x) x -#define N_(x) x - -/* - * Procedure declarations - */ - -static void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf); - -/* pass1.c */ -static void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool); - -/* pass2.c */ -static int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, - ext2_ino_t ino, char *buf); - -/* pass3.c */ -static int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode); -static errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir, - int num, int gauranteed_size); -static ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix); -static errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, - int adj); - -/* rehash.c */ -static void e2fsck_rehash_directories(e2fsck_t ctx); - -/* util.c */ -static void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size, - const char *description); -static int ask(e2fsck_t ctx, const char * string, int def); -static void e2fsck_read_bitmaps(e2fsck_t ctx); -static void preenhalt(e2fsck_t ctx); -static void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino, - struct ext2_inode * inode, const char * proc); -static void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino, - struct ext2_inode * inode, const char * proc); -static blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, - const char *name, io_manager manager); - -/* unix.c */ -static void e2fsck_clear_progbar(e2fsck_t ctx); -static int e2fsck_simple_progress(e2fsck_t ctx, const char *label, - float percent, unsigned int dpynum); - - -/* - * problem.h --- e2fsck problem error codes - */ - -typedef __u32 problem_t; - -struct problem_context { - errcode_t errcode; - ext2_ino_t ino, ino2, dir; - struct ext2_inode *inode; - struct ext2_dir_entry *dirent; - blk_t blk, blk2; - e2_blkcnt_t blkcount; - int group; - __u64 num; - const char *str; -}; - - -/* - * Function declarations - */ -static int fix_problem(e2fsck_t ctx, problem_t code, struct problem_context *pctx); -static int end_problem_latch(e2fsck_t ctx, int mask); -static int set_latch_flags(int mask, int setflags, int clearflags); -static void clear_problem_context(struct problem_context *ctx); - -/* - * Dictionary Abstract Data Type - * Copyright (C) 1997 Kaz Kylheku <kaz@ashi.footprints.net> - * - * dict.h v 1.22.2.6 2000/11/13 01:36:44 kaz - * kazlib_1_20 - */ - -#ifndef DICT_H -#define DICT_H - -/* - * Blurb for inclusion into C++ translation units - */ - -typedef unsigned long dictcount_t; -#define DICTCOUNT_T_MAX ULONG_MAX - -/* - * The dictionary is implemented as a red-black tree - */ - -typedef enum { dnode_red, dnode_black } dnode_color_t; - -typedef struct dnode_t { - struct dnode_t *dict_left; - struct dnode_t *dict_right; - struct dnode_t *dict_parent; - dnode_color_t dict_color; - const void *dict_key; - void *dict_data; -} dnode_t; - -typedef int (*dict_comp_t)(const void *, const void *); -typedef void (*dnode_free_t)(dnode_t *); - -typedef struct dict_t { - dnode_t dict_nilnode; - dictcount_t dict_nodecount; - dictcount_t dict_maxcount; - dict_comp_t dict_compare; - dnode_free_t dict_freenode; - int dict_dupes; -} dict_t; - -typedef void (*dnode_process_t)(dict_t *, dnode_t *, void *); - -typedef struct dict_load_t { - dict_t *dict_dictptr; - dnode_t dict_nilnode; -} dict_load_t; - -#define dict_count(D) ((D)->dict_nodecount) -#define dnode_get(N) ((N)->dict_data) -#define dnode_getkey(N) ((N)->dict_key) - -#endif - -/* - * Compatibility header file for e2fsck which should be included - * instead of linux/jfs.h - * - * Copyright (C) 2000 Stephen C. Tweedie - */ - -/* - * Pull in the definition of the e2fsck context structure - */ - -struct buffer_head { - char b_data[8192]; - e2fsck_t b_ctx; - io_channel b_io; - int b_size; - blk_t b_blocknr; - int b_dirty; - int b_uptodate; - int b_err; -}; - - -#define K_DEV_FS 1 -#define K_DEV_JOURNAL 2 - -#define lock_buffer(bh) do {} while(0) -#define unlock_buffer(bh) do {} while(0) -#define buffer_req(bh) 1 -#define do_readahead(journal, start) do {} while(0) - -static e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ - -typedef struct { - int object_length; -} kmem_cache_t; - -#define kmem_cache_alloc(cache,flags) malloc((cache)->object_length) - -/* - * We use the standard libext2fs portability tricks for inline - * functions. - */ - -static kmem_cache_t * do_cache_create(int len) -{ - kmem_cache_t *new_cache; - - new_cache = malloc(sizeof(*new_cache)); - if (new_cache) - new_cache->object_length = len; - return new_cache; -} - -static void do_cache_destroy(kmem_cache_t *cache) -{ - free(cache); -} - - -/* - * Dictionary Abstract Data Type - */ - - -/* - * These macros provide short convenient names for structure members, - * which are embellished with dict_ prefixes so that they are - * properly confined to the documented namespace. It's legal for a - * program which uses dict to define, for instance, a macro called ``parent''. - * Such a macro would interfere with the dnode_t struct definition. - * In general, highly portable and reusable C modules which expose their - * structures need to confine structure member names to well-defined spaces. - * The resulting identifiers aren't necessarily convenient to use, nor - * readable, in the implementation, however! - */ - -#define left dict_left -#define right dict_right -#define parent dict_parent -#define color dict_color -#define key dict_key -#define data dict_data - -#define nilnode dict_nilnode -#define maxcount dict_maxcount -#define compare dict_compare -#define dupes dict_dupes - -#define dict_root(D) ((D)->nilnode.left) -#define dict_nil(D) (&(D)->nilnode) - -static void dnode_free(dnode_t *node); - -/* - * Perform a ``left rotation'' adjustment on the tree. The given node P and - * its right child C are rearranged so that the P instead becomes the left - * child of C. The left subtree of C is inherited as the new right subtree - * for P. The ordering of the keys within the tree is thus preserved. - */ - -static void rotate_left(dnode_t *upper) -{ - dnode_t *lower, *lowleft, *upparent; - - lower = upper->right; - upper->right = lowleft = lower->left; - lowleft->parent = upper; - - lower->parent = upparent = upper->parent; - - /* don't need to check for root node here because root->parent is - the sentinel nil node, and root->parent->left points back to root */ - - if (upper == upparent->left) { - upparent->left = lower; - } else { - assert (upper == upparent->right); - upparent->right = lower; - } - - lower->left = upper; - upper->parent = lower; -} - -/* - * This operation is the ``mirror'' image of rotate_left. It is - * the same procedure, but with left and right interchanged. - */ - -static void rotate_right(dnode_t *upper) -{ - dnode_t *lower, *lowright, *upparent; - - lower = upper->left; - upper->left = lowright = lower->right; - lowright->parent = upper; - - lower->parent = upparent = upper->parent; - - if (upper == upparent->right) { - upparent->right = lower; - } else { - assert (upper == upparent->left); - upparent->left = lower; - } - - lower->right = upper; - upper->parent = lower; -} - -/* - * Do a postorder traversal of the tree rooted at the specified - * node and free everything under it. Used by dict_free(). - */ - -static void free_nodes(dict_t *dict, dnode_t *node, dnode_t *nil) -{ - if (node == nil) - return; - free_nodes(dict, node->left, nil); - free_nodes(dict, node->right, nil); - dict->dict_freenode(node); -} - -/* - * Verify that the tree contains the given node. This is done by - * traversing all of the nodes and comparing their pointers to the - * given pointer. Returns 1 if the node is found, otherwise - * returns zero. It is intended for debugging purposes. - */ - -static int verify_dict_has_node(dnode_t *nil, dnode_t *root, dnode_t *node) -{ - if (root != nil) { - return root == node - || verify_dict_has_node(nil, root->left, node) - || verify_dict_has_node(nil, root->right, node); - } - return 0; -} - - -/* - * Select a different set of node allocator routines. - */ - -static void dict_set_allocator(dict_t *dict, dnode_free_t fr) -{ - assert (dict_count(dict) == 0); - dict->dict_freenode = fr; -} - -/* - * Free all the nodes in the dictionary by using the dictionary's - * installed free routine. The dictionary is emptied. - */ - -static void dict_free_nodes(dict_t *dict) -{ - dnode_t *nil = dict_nil(dict), *root = dict_root(dict); - free_nodes(dict, root, nil); - dict->dict_nodecount = 0; - dict->nilnode.left = &dict->nilnode; - dict->nilnode.right = &dict->nilnode; -} - -/* - * Initialize a user-supplied dictionary object. - */ - -static dict_t *dict_init(dict_t *dict, dictcount_t maxcount, dict_comp_t comp) -{ - dict->compare = comp; - dict->dict_freenode = dnode_free; - dict->dict_nodecount = 0; - dict->maxcount = maxcount; - dict->nilnode.left = &dict->nilnode; - dict->nilnode.right = &dict->nilnode; - dict->nilnode.parent = &dict->nilnode; - dict->nilnode.color = dnode_black; - dict->dupes = 0; - return dict; -} - -/* - * Locate a node in the dictionary having the given key. - * If the node is not found, a null a pointer is returned (rather than - * a pointer that dictionary's nil sentinel node), otherwise a pointer to the - * located node is returned. - */ - -static dnode_t *dict_lookup(dict_t *dict, const void *key) -{ - dnode_t *root = dict_root(dict); - dnode_t *nil = dict_nil(dict); - dnode_t *saved; - int result; - - /* simple binary search adapted for trees that contain duplicate keys */ - - while (root != nil) { - result = dict->compare(key, root->key); - if (result < 0) - root = root->left; - else if (result > 0) - root = root->right; - else { - if (!dict->dupes) { /* no duplicates, return match */ - return root; - } else { /* could be dupes, find leftmost one */ - do { - saved = root; - root = root->left; - while (root != nil && dict->compare(key, root->key)) - root = root->right; - } while (root != nil); - return saved; - } - } - } - - return NULL; -} - -/* - * Insert a node into the dictionary. The node should have been - * initialized with a data field. All other fields are ignored. - * The behavior is undefined if the user attempts to insert into - * a dictionary that is already full (for which the dict_isfull() - * function returns true). - */ - -static void dict_insert(dict_t *dict, dnode_t *node, const void *key) -{ - dnode_t *where = dict_root(dict), *nil = dict_nil(dict); - dnode_t *parent = nil, *uncle, *grandpa; - int result = -1; - - node->key = key; - - /* basic binary tree insert */ - - while (where != nil) { - parent = where; - result = dict->compare(key, where->key); - /* trap attempts at duplicate key insertion unless it's explicitly allowed */ - assert (dict->dupes || result != 0); - if (result < 0) - where = where->left; - else - where = where->right; - } - - assert (where == nil); - - if (result < 0) - parent->left = node; - else - parent->right = node; - - node->parent = parent; - node->left = nil; - node->right = nil; - - dict->dict_nodecount++; - - /* red black adjustments */ - - node->color = dnode_red; - - while (parent->color == dnode_red) { - grandpa = parent->parent; - if (parent == grandpa->left) { - uncle = grandpa->right; - if (uncle->color == dnode_red) { /* red parent, red uncle */ - parent->color = dnode_black; - uncle->color = dnode_black; - grandpa->color = dnode_red; - node = grandpa; - parent = grandpa->parent; - } else { /* red parent, black uncle */ - if (node == parent->right) { - rotate_left(parent); - parent = node; - assert (grandpa == parent->parent); - /* rotation between parent and child preserves grandpa */ - } - parent->color = dnode_black; - grandpa->color = dnode_red; - rotate_right(grandpa); - break; - } - } else { /* symmetric cases: parent == parent->parent->right */ - uncle = grandpa->left; - if (uncle->color == dnode_red) { - parent->color = dnode_black; - uncle->color = dnode_black; - grandpa->color = dnode_red; - node = grandpa; - parent = grandpa->parent; - } else { - if (node == parent->left) { - rotate_right(parent); - parent = node; - assert (grandpa == parent->parent); - } - parent->color = dnode_black; - grandpa->color = dnode_red; - rotate_left(grandpa); - break; - } - } - } - - dict_root(dict)->color = dnode_black; - -} - -/* - * Allocate a node using the dictionary's allocator routine, give it - * the data item. - */ - -static dnode_t *dnode_init(dnode_t *dnode, void *data) -{ - dnode->data = data; - dnode->parent = NULL; - dnode->left = NULL; - dnode->right = NULL; - return dnode; -} - -static int dict_alloc_insert(dict_t *dict, const void *key, void *data) -{ - dnode_t *node = malloc(sizeof(dnode_t)); - - if (node) { - dnode_init(node, data); - dict_insert(dict, node, key); - return 1; - } - return 0; -} - -/* - * Return the node with the lowest (leftmost) key. If the dictionary is empty - * (that is, dict_isempty(dict) returns 1) a null pointer is returned. - */ - -static dnode_t *dict_first(dict_t *dict) -{ - dnode_t *nil = dict_nil(dict), *root = dict_root(dict), *left; - - if (root != nil) - while ((left = root->left) != nil) - root = left; - - return (root == nil) ? NULL : root; -} - -/* - * Return the given node's successor node---the node which has the - * next key in the the left to right ordering. If the node has - * no successor, a null pointer is returned rather than a pointer to - * the nil node. - */ - -static dnode_t *dict_next(dict_t *dict, dnode_t *curr) -{ - dnode_t *nil = dict_nil(dict), *parent, *left; - - if (curr->right != nil) { - curr = curr->right; - while ((left = curr->left) != nil) - curr = left; - return curr; - } - - parent = curr->parent; - - while (parent != nil && curr == parent->right) { - curr = parent; - parent = curr->parent; - } - - return (parent == nil) ? NULL : parent; -} - - -static void dnode_free(dnode_t *node) -{ - free(node); -} - - -#undef left -#undef right -#undef parent -#undef color -#undef key -#undef data - -#undef nilnode -#undef maxcount -#undef compare -#undef dupes - - -/* - * dirinfo.c --- maintains the directory information table for e2fsck. - */ - -/* - * This subroutine is called during pass1 to create a directory info - * entry. During pass1, the passed-in parent is 0; it will get filled - * in during pass2. - */ -static void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent) -{ - struct dir_info *dir; - int i, j; - ext2_ino_t num_dirs; - errcode_t retval; - unsigned long old_size; - - if (!ctx->dir_info) { - ctx->dir_info_count = 0; - retval = ext2fs_get_num_dirs(ctx->fs, &num_dirs); - if (retval) - num_dirs = 1024; /* Guess */ - ctx->dir_info_size = num_dirs + 10; - ctx->dir_info = (struct dir_info *) - e2fsck_allocate_memory(ctx, ctx->dir_info_size - * sizeof (struct dir_info), - "directory map"); - } - - if (ctx->dir_info_count >= ctx->dir_info_size) { - old_size = ctx->dir_info_size * sizeof(struct dir_info); - ctx->dir_info_size += 10; - retval = ext2fs_resize_mem(old_size, ctx->dir_info_size * - sizeof(struct dir_info), - &ctx->dir_info); - if (retval) { - ctx->dir_info_size -= 10; - return; - } - } - - /* - * Normally, add_dir_info is called with each inode in - * sequential order; but once in a while (like when pass 3 - * needs to recreate the root directory or lost+found - * directory) it is called out of order. In those cases, we - * need to move the dir_info entries down to make room, since - * the dir_info array needs to be sorted by inode number for - * get_dir_info()'s sake. - */ - if (ctx->dir_info_count && - ctx->dir_info[ctx->dir_info_count-1].ino >= ino) { - for (i = ctx->dir_info_count-1; i > 0; i--) - if (ctx->dir_info[i-1].ino < ino) - break; - dir = &ctx->dir_info[i]; - if (dir->ino != ino) - for (j = ctx->dir_info_count++; j > i; j--) - ctx->dir_info[j] = ctx->dir_info[j-1]; - } else - dir = &ctx->dir_info[ctx->dir_info_count++]; - - dir->ino = ino; - dir->dotdot = parent; - dir->parent = parent; -} - -/* - * get_dir_info() --- given an inode number, try to find the directory - * information entry for it. - */ -static struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino) -{ - int low, high, mid; - - low = 0; - high = ctx->dir_info_count-1; - if (!ctx->dir_info) - return 0; - if (ino == ctx->dir_info[low].ino) - return &ctx->dir_info[low]; - if (ino == ctx->dir_info[high].ino) - return &ctx->dir_info[high]; - - while (low < high) { - mid = (low+high)/2; - if (mid == low || mid == high) - break; - if (ino == ctx->dir_info[mid].ino) - return &ctx->dir_info[mid]; - if (ino < ctx->dir_info[mid].ino) - high = mid; - else - low = mid; - } - return 0; -} - -/* - * Free the dir_info structure when it isn't needed any more. - */ -static void e2fsck_free_dir_info(e2fsck_t ctx) -{ - ext2fs_free_mem(&ctx->dir_info); - ctx->dir_info_size = 0; - ctx->dir_info_count = 0; -} - -/* - * Return the count of number of directories in the dir_info structure - */ -static int e2fsck_get_num_dirinfo(e2fsck_t ctx) -{ - return ctx->dir_info_count; -} - -/* - * A simple interator function - */ -static struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control) -{ - if (*control >= ctx->dir_info_count) - return 0; - - return ctx->dir_info + (*control)++; -} - -/* - * dirinfo.c --- maintains the directory information table for e2fsck. - * - */ - -#ifdef ENABLE_HTREE - -/* - * This subroutine is called during pass1 to create a directory info - * entry. During pass1, the passed-in parent is 0; it will get filled - * in during pass2. - */ -static void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks) -{ - struct dx_dir_info *dir; - int i, j; - errcode_t retval; - unsigned long old_size; - - if (!ctx->dx_dir_info) { - ctx->dx_dir_info_count = 0; - ctx->dx_dir_info_size = 100; /* Guess */ - ctx->dx_dir_info = (struct dx_dir_info *) - e2fsck_allocate_memory(ctx, ctx->dx_dir_info_size - * sizeof (struct dx_dir_info), - "directory map"); - } - - if (ctx->dx_dir_info_count >= ctx->dx_dir_info_size) { - old_size = ctx->dx_dir_info_size * sizeof(struct dx_dir_info); - ctx->dx_dir_info_size += 10; - retval = ext2fs_resize_mem(old_size, ctx->dx_dir_info_size * - sizeof(struct dx_dir_info), - &ctx->dx_dir_info); - if (retval) { - ctx->dx_dir_info_size -= 10; - return; - } - } - - /* - * Normally, add_dx_dir_info is called with each inode in - * sequential order; but once in a while (like when pass 3 - * needs to recreate the root directory or lost+found - * directory) it is called out of order. In those cases, we - * need to move the dx_dir_info entries down to make room, since - * the dx_dir_info array needs to be sorted by inode number for - * get_dx_dir_info()'s sake. - */ - if (ctx->dx_dir_info_count && - ctx->dx_dir_info[ctx->dx_dir_info_count-1].ino >= ino) { - for (i = ctx->dx_dir_info_count-1; i > 0; i--) - if (ctx->dx_dir_info[i-1].ino < ino) - break; - dir = &ctx->dx_dir_info[i]; - if (dir->ino != ino) - for (j = ctx->dx_dir_info_count++; j > i; j--) - ctx->dx_dir_info[j] = ctx->dx_dir_info[j-1]; - } else - dir = &ctx->dx_dir_info[ctx->dx_dir_info_count++]; - - dir->ino = ino; - dir->numblocks = num_blocks; - dir->hashversion = 0; - dir->dx_block = e2fsck_allocate_memory(ctx, num_blocks - * sizeof (struct dx_dirblock_info), - "dx_block info array"); - -} - -/* - * get_dx_dir_info() --- given an inode number, try to find the directory - * information entry for it. - */ -static struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino) -{ - int low, high, mid; - - low = 0; - high = ctx->dx_dir_info_count-1; - if (!ctx->dx_dir_info) - return 0; - if (ino == ctx->dx_dir_info[low].ino) - return &ctx->dx_dir_info[low]; - if (ino == ctx->dx_dir_info[high].ino) - return &ctx->dx_dir_info[high]; - - while (low < high) { - mid = (low+high)/2; - if (mid == low || mid == high) - break; - if (ino == ctx->dx_dir_info[mid].ino) - return &ctx->dx_dir_info[mid]; - if (ino < ctx->dx_dir_info[mid].ino) - high = mid; - else - low = mid; - } - return 0; -} - -/* - * Free the dx_dir_info structure when it isn't needed any more. - */ -static void e2fsck_free_dx_dir_info(e2fsck_t ctx) -{ - int i; - struct dx_dir_info *dir; - - if (ctx->dx_dir_info) { - dir = ctx->dx_dir_info; - for (i=0; i < ctx->dx_dir_info_count; i++) { - ext2fs_free_mem(&dir->dx_block); - } - ext2fs_free_mem(&ctx->dx_dir_info); - } - ctx->dx_dir_info_size = 0; - ctx->dx_dir_info_count = 0; -} - -/* - * A simple interator function - */ -static struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control) -{ - if (*control >= ctx->dx_dir_info_count) - return 0; - - return ctx->dx_dir_info + (*control)++; -} - -#endif /* ENABLE_HTREE */ -/* - * e2fsck.c - a consistency checker for the new extended file system. - * - */ - -/* - * This function allocates an e2fsck context - */ -static errcode_t e2fsck_allocate_context(e2fsck_t *ret) -{ - e2fsck_t context; - errcode_t retval; - - retval = ext2fs_get_mem(sizeof(struct e2fsck_struct), &context); - if (retval) - return retval; - - memset(context, 0, sizeof(struct e2fsck_struct)); - - context->process_inode_size = 256; - context->ext_attr_ver = 2; - - *ret = context; - return 0; -} - -struct ea_refcount_el { - blk_t ea_blk; - int ea_count; -}; - -struct ea_refcount { - blk_t count; - blk_t size; - blk_t cursor; - struct ea_refcount_el *list; -}; - -static void ea_refcount_free(ext2_refcount_t refcount) -{ - if (!refcount) - return; - - ext2fs_free_mem(&refcount->list); - ext2fs_free_mem(&refcount); -} - -/* - * This function resets an e2fsck context; it is called when e2fsck - * needs to be restarted. - */ -static errcode_t e2fsck_reset_context(e2fsck_t ctx) -{ - ctx->flags = 0; - ctx->lost_and_found = 0; - ctx->bad_lost_and_found = 0; - ext2fs_free_inode_bitmap(ctx->inode_used_map); - ctx->inode_used_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_dir_map); - ctx->inode_dir_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_reg_map); - ctx->inode_reg_map = 0; - ext2fs_free_block_bitmap(ctx->block_found_map); - ctx->block_found_map = 0; - ext2fs_free_icount(ctx->inode_link_info); - ctx->inode_link_info = 0; - if (ctx->journal_io) { - if (ctx->fs && ctx->fs->io != ctx->journal_io) - io_channel_close(ctx->journal_io); - ctx->journal_io = 0; - } - if (ctx->fs) { - ext2fs_free_dblist(ctx->fs->dblist); - ctx->fs->dblist = 0; - } - e2fsck_free_dir_info(ctx); -#ifdef ENABLE_HTREE - e2fsck_free_dx_dir_info(ctx); -#endif - ea_refcount_free(ctx->refcount); - ctx->refcount = 0; - ea_refcount_free(ctx->refcount_extra); - ctx->refcount_extra = 0; - ext2fs_free_block_bitmap(ctx->block_dup_map); - ctx->block_dup_map = 0; - ext2fs_free_block_bitmap(ctx->block_ea_map); - ctx->block_ea_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_bad_map); - ctx->inode_bad_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_imagic_map); - ctx->inode_imagic_map = 0; - ext2fs_u32_list_free(ctx->dirs_to_hash); - ctx->dirs_to_hash = 0; - - /* - * Clear the array of invalid meta-data flags - */ - ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag); - ext2fs_free_mem(&ctx->invalid_block_bitmap_flag); - ext2fs_free_mem(&ctx->invalid_inode_table_flag); - - /* Clear statistic counters */ - ctx->fs_directory_count = 0; - ctx->fs_regular_count = 0; - ctx->fs_blockdev_count = 0; - ctx->fs_chardev_count = 0; - ctx->fs_links_count = 0; - ctx->fs_symlinks_count = 0; - ctx->fs_fast_symlinks_count = 0; - ctx->fs_fifo_count = 0; - ctx->fs_total_count = 0; - ctx->fs_sockets_count = 0; - ctx->fs_ind_count = 0; - ctx->fs_dind_count = 0; - ctx->fs_tind_count = 0; - ctx->fs_fragmented = 0; - ctx->large_files = 0; - - /* Reset the superblock to the user's requested value */ - ctx->superblock = ctx->use_superblock; - - return 0; -} - -static void e2fsck_free_context(e2fsck_t ctx) -{ - if (!ctx) - return; - - e2fsck_reset_context(ctx); - if (ctx->blkid) - blkid_put_cache(ctx->blkid); - - ext2fs_free_mem(&ctx); -} - -/* - * ea_refcount.c - */ - -/* - * The strategy we use for keeping track of EA refcounts is as - * follows. We keep a sorted array of first EA blocks and its - * reference counts. Once the refcount has dropped to zero, it is - * removed from the array to save memory space. Once the EA block is - * checked, its bit is set in the block_ea_map bitmap. - */ - - -static errcode_t ea_refcount_create(int size, ext2_refcount_t *ret) -{ - ext2_refcount_t refcount; - errcode_t retval; - size_t bytes; - - retval = ext2fs_get_mem(sizeof(struct ea_refcount), &refcount); - if (retval) - return retval; - memset(refcount, 0, sizeof(struct ea_refcount)); - - if (!size) - size = 500; - refcount->size = size; - bytes = (size_t) (size * sizeof(struct ea_refcount_el)); -#ifdef DEBUG - printf("Refcount allocated %d entries, %d bytes.\n", - refcount->size, bytes); -#endif - retval = ext2fs_get_mem(bytes, &refcount->list); - if (retval) - goto errout; - memset(refcount->list, 0, bytes); - - refcount->count = 0; - refcount->cursor = 0; - - *ret = refcount; - return 0; - -errout: - ea_refcount_free(refcount); - return retval; -} - -/* - * collapse_refcount() --- go through the refcount array, and get rid - * of any count == zero entries - */ -static void refcount_collapse(ext2_refcount_t refcount) -{ - unsigned int i, j; - struct ea_refcount_el *list; - - list = refcount->list; - for (i = 0, j = 0; i < refcount->count; i++) { - if (list[i].ea_count) { - if (i != j) - list[j] = list[i]; - j++; - } - } -#if defined(DEBUG) || defined(TEST_PROGRAM) - printf("Refcount_collapse: size was %d, now %d\n", - refcount->count, j); -#endif - refcount->count = j; -} - - -/* - * insert_refcount_el() --- Insert a new entry into the sorted list at a - * specified position. - */ -static struct ea_refcount_el *insert_refcount_el(ext2_refcount_t refcount, - blk_t blk, int pos) -{ - struct ea_refcount_el *el; - errcode_t retval; - blk_t new_size = 0; - int num; - - if (refcount->count >= refcount->size) { - new_size = refcount->size + 100; -#ifdef DEBUG - printf("Reallocating refcount %d entries...\n", new_size); -#endif - retval = ext2fs_resize_mem((size_t) refcount->size * - sizeof(struct ea_refcount_el), - (size_t) new_size * - sizeof(struct ea_refcount_el), - &refcount->list); - if (retval) - return 0; - refcount->size = new_size; - } - num = (int) refcount->count - pos; - if (num < 0) - return 0; /* should never happen */ - if (num) { - memmove(&refcount->list[pos+1], &refcount->list[pos], - sizeof(struct ea_refcount_el) * num); - } - refcount->count++; - el = &refcount->list[pos]; - el->ea_count = 0; - el->ea_blk = blk; - return el; -} - - -/* - * get_refcount_el() --- given an block number, try to find refcount - * information in the sorted list. If the create flag is set, - * and we can't find an entry, create one in the sorted list. - */ -static struct ea_refcount_el *get_refcount_el(ext2_refcount_t refcount, - blk_t blk, int create) -{ - float range; - int low, high, mid; - blk_t lowval, highval; - - if (!refcount || !refcount->list) - return 0; -retry: - low = 0; - high = (int) refcount->count-1; - if (create && ((refcount->count == 0) || - (blk > refcount->list[high].ea_blk))) { - if (refcount->count >= refcount->size) - refcount_collapse(refcount); - - return insert_refcount_el(refcount, blk, - (unsigned) refcount->count); - } - if (refcount->count == 0) - return 0; - - if (refcount->cursor >= refcount->count) - refcount->cursor = 0; - if (blk == refcount->list[refcount->cursor].ea_blk) - return &refcount->list[refcount->cursor++]; -#ifdef DEBUG - printf("Non-cursor get_refcount_el: %u\n", blk); -#endif - while (low <= high) { - if (low == high) - mid = low; - else { - /* Interpolate for efficiency */ - lowval = refcount->list[low].ea_blk; - highval = refcount->list[high].ea_blk; - - if (blk < lowval) - range = 0; - else if (blk > highval) - range = 1; - else - range = ((float) (blk - lowval)) / - (highval - lowval); - mid = low + ((int) (range * (high-low))); - } - - if (blk == refcount->list[mid].ea_blk) { - refcount->cursor = mid+1; - return &refcount->list[mid]; - } - if (blk < refcount->list[mid].ea_blk) - high = mid-1; - else - low = mid+1; - } - /* - * If we need to create a new entry, it should be right at - * low (where high will be left at low-1). - */ - if (create) { - if (refcount->count >= refcount->size) { - refcount_collapse(refcount); - if (refcount->count < refcount->size) - goto retry; - } - return insert_refcount_el(refcount, blk, low); - } - return 0; -} - -static errcode_t -ea_refcount_increment(ext2_refcount_t refcount, blk_t blk, int *ret) -{ - struct ea_refcount_el *el; - - el = get_refcount_el(refcount, blk, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->ea_count++; - - if (ret) - *ret = el->ea_count; - return 0; -} - -static errcode_t -ea_refcount_decrement(ext2_refcount_t refcount, blk_t blk, int *ret) -{ - struct ea_refcount_el *el; - - el = get_refcount_el(refcount, blk, 0); - if (!el || el->ea_count == 0) - return EXT2_ET_INVALID_ARGUMENT; - - el->ea_count--; - - if (ret) - *ret = el->ea_count; - return 0; -} - -static errcode_t -ea_refcount_store(ext2_refcount_t refcount, blk_t blk, int count) -{ - struct ea_refcount_el *el; - - /* - * Get the refcount element - */ - el = get_refcount_el(refcount, blk, count ? 1 : 0); - if (!el) - return count ? EXT2_ET_NO_MEMORY : 0; - el->ea_count = count; - return 0; -} - -static inline void ea_refcount_intr_begin(ext2_refcount_t refcount) -{ - refcount->cursor = 0; -} - - -static blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret) -{ - struct ea_refcount_el *list; - - while (1) { - if (refcount->cursor >= refcount->count) - return 0; - list = refcount->list; - if (list[refcount->cursor].ea_count) { - if (ret) - *ret = list[refcount->cursor].ea_count; - return list[refcount->cursor++].ea_blk; - } - refcount->cursor++; - } -} - - -/* - * ehandler.c --- handle bad block errors which come up during the - * course of an e2fsck session. - */ - - -static const char *operation; - -static errcode_t -e2fsck_handle_read_error(io_channel channel, unsigned long block, int count, - void *data, size_t size FSCK_ATTR((unused)), - int actual FSCK_ATTR((unused)), errcode_t error) -{ - int i; - char *p; - ext2_filsys fs = (ext2_filsys) channel->app_data; - e2fsck_t ctx; - - ctx = (e2fsck_t) fs->priv_data; - - /* - * If more than one block was read, try reading each block - * separately. We could use the actual bytes read to figure - * out where to start, but we don't bother. - */ - if (count > 1) { - p = (char *) data; - for (i=0; i < count; i++, p += channel->block_size, block++) { - error = io_channel_read_blk(channel, block, - 1, p); - if (error) - return error; - } - return 0; - } - if (operation) - printf(_("Error reading block %lu (%s) while %s. "), block, - error_message(error), operation); - else - printf(_("Error reading block %lu (%s). "), block, - error_message(error)); - preenhalt(ctx); - if (ask(ctx, _("Ignore error"), 1)) { - if (ask(ctx, _("Force rewrite"), 1)) - io_channel_write_blk(channel, block, 1, data); - return 0; - } - - return error; -} - -static errcode_t -e2fsck_handle_write_error(io_channel channel, unsigned long block, int count, - const void *data, size_t size FSCK_ATTR((unused)), - int actual FSCK_ATTR((unused)), errcode_t error) -{ - int i; - const char *p; - ext2_filsys fs = (ext2_filsys) channel->app_data; - e2fsck_t ctx; - - ctx = (e2fsck_t) fs->priv_data; - - /* - * If more than one block was written, try writing each block - * separately. We could use the actual bytes read to figure - * out where to start, but we don't bother. - */ - if (count > 1) { - p = (const char *) data; - for (i=0; i < count; i++, p += channel->block_size, block++) { - error = io_channel_write_blk(channel, block, - 1, p); - if (error) - return error; - } - return 0; - } - - if (operation) - printf(_("Error writing block %lu (%s) while %s. "), block, - error_message(error), operation); - else - printf(_("Error writing block %lu (%s). "), block, - error_message(error)); - preenhalt(ctx); - if (ask(ctx, _("Ignore error"), 1)) - return 0; - - return error; -} - -static const char *ehandler_operation(const char *op) -{ - const char *ret = operation; - - operation = op; - return ret; -} - -static void ehandler_init(io_channel channel) -{ - channel->read_error = e2fsck_handle_read_error; - channel->write_error = e2fsck_handle_write_error; -} - -/* - * journal.c --- code for handling the "ext3" journal - * - * Copyright (C) 2000 Andreas Dilger - * Copyright (C) 2000 Theodore Ts'o - * - * Parts of the code are based on fs/jfs/journal.c by Stephen C. Tweedie - * Copyright (C) 1999 Red Hat Software - * - * This file may be redistributed under the terms of the - * GNU General Public License version 2 or at your discretion - * any later version. - */ - -/* - * Define USE_INODE_IO to use the inode_io.c / fileio.c codepaths. - * This creates a larger static binary, and a smaller binary using - * shared libraries. It's also probably slightly less CPU-efficient, - * which is why it's not on by default. But, it's a good way of - * testing the functions in inode_io.c and fileio.c. - */ -#undef USE_INODE_IO - -/* Kernel compatibility functions for handling the journal. These allow us - * to use the recovery.c file virtually unchanged from the kernel, so we - * don't have to do much to keep kernel and user recovery in sync. - */ -static int journal_bmap(journal_t *journal, blk_t block, unsigned long *phys) -{ -#ifdef USE_INODE_IO - *phys = block; - return 0; -#else - struct inode *inode = journal->j_inode; - errcode_t retval; - blk_t pblk; - - if (!inode) { - *phys = block; - return 0; - } - - retval= ext2fs_bmap(inode->i_ctx->fs, inode->i_ino, - &inode->i_ext2, NULL, 0, block, &pblk); - *phys = pblk; - return retval; -#endif -} - -static struct buffer_head *getblk(kdev_t kdev, blk_t blocknr, int blocksize) -{ - struct buffer_head *bh; - - bh = e2fsck_allocate_memory(kdev->k_ctx, sizeof(*bh), "block buffer"); - if (!bh) - return NULL; - - bh->b_ctx = kdev->k_ctx; - if (kdev->k_dev == K_DEV_FS) - bh->b_io = kdev->k_ctx->fs->io; - else - bh->b_io = kdev->k_ctx->journal_io; - bh->b_size = blocksize; - bh->b_blocknr = blocknr; - - return bh; -} - -static void sync_blockdev(kdev_t kdev) -{ - io_channel io; - - if (kdev->k_dev == K_DEV_FS) - io = kdev->k_ctx->fs->io; - else - io = kdev->k_ctx->journal_io; - - io_channel_flush(io); -} - -static void ll_rw_block(int rw, int nr, struct buffer_head *bhp[]) -{ - int retval; - struct buffer_head *bh; - - for (; nr > 0; --nr) { - bh = *bhp++; - if (rw == READ && !bh->b_uptodate) { - retval = io_channel_read_blk(bh->b_io, - bh->b_blocknr, - 1, bh->b_data); - if (retval) { - bb_error_msg("while reading block %lu", - (unsigned long) bh->b_blocknr); - bh->b_err = retval; - continue; - } - bh->b_uptodate = 1; - } else if (rw == WRITE && bh->b_dirty) { - retval = io_channel_write_blk(bh->b_io, - bh->b_blocknr, - 1, bh->b_data); - if (retval) { - bb_error_msg("while writing block %lu", - (unsigned long) bh->b_blocknr); - bh->b_err = retval; - continue; - } - bh->b_dirty = 0; - bh->b_uptodate = 1; - } - } -} - -static void mark_buffer_dirty(struct buffer_head *bh) -{ - bh->b_dirty = 1; -} - -static inline void mark_buffer_clean(struct buffer_head * bh) -{ - bh->b_dirty = 0; -} - -static void brelse(struct buffer_head *bh) -{ - if (bh->b_dirty) - ll_rw_block(WRITE, 1, &bh); - ext2fs_free_mem(&bh); -} - -static int buffer_uptodate(struct buffer_head *bh) -{ - return bh->b_uptodate; -} - -static inline void mark_buffer_uptodate(struct buffer_head *bh, int val) -{ - bh->b_uptodate = val; -} - -static void wait_on_buffer(struct buffer_head *bh) -{ - if (!bh->b_uptodate) - ll_rw_block(READ, 1, &bh); -} - - -static void e2fsck_clear_recover(e2fsck_t ctx, int error) -{ - ctx->fs->super->s_feature_incompat &= ~EXT3_FEATURE_INCOMPAT_RECOVER; - - /* if we had an error doing journal recovery, we need a full fsck */ - if (error) - ctx->fs->super->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(ctx->fs); -} - -static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t **ret_journal) -{ - struct ext2_super_block *sb = ctx->fs->super; - struct ext2_super_block jsuper; - struct problem_context pctx; - struct buffer_head *bh; - struct inode *j_inode = NULL; - struct kdev_s *dev_fs = NULL, *dev_journal; - const char *journal_name = 0; - journal_t *journal = NULL; - errcode_t retval = 0; - io_manager io_ptr = 0; - unsigned long start = 0; - blk_t blk; - int ext_journal = 0; - int tried_backup_jnl = 0; - int i; - - clear_problem_context(&pctx); - - journal = e2fsck_allocate_memory(ctx, sizeof(journal_t), "journal"); - if (!journal) { - return EXT2_ET_NO_MEMORY; - } - - dev_fs = e2fsck_allocate_memory(ctx, 2*sizeof(struct kdev_s), "kdev"); - if (!dev_fs) { - retval = EXT2_ET_NO_MEMORY; - goto errout; - } - dev_journal = dev_fs+1; - - dev_fs->k_ctx = dev_journal->k_ctx = ctx; - dev_fs->k_dev = K_DEV_FS; - dev_journal->k_dev = K_DEV_JOURNAL; - - journal->j_dev = dev_journal; - journal->j_fs_dev = dev_fs; - journal->j_inode = NULL; - journal->j_blocksize = ctx->fs->blocksize; - - if (uuid_is_null(sb->s_journal_uuid)) { - if (!sb->s_journal_inum) - return EXT2_ET_BAD_INODE_NUM; - j_inode = e2fsck_allocate_memory(ctx, sizeof(*j_inode), - "journal inode"); - if (!j_inode) { - retval = EXT2_ET_NO_MEMORY; - goto errout; - } - - j_inode->i_ctx = ctx; - j_inode->i_ino = sb->s_journal_inum; - - if ((retval = ext2fs_read_inode(ctx->fs, - sb->s_journal_inum, - &j_inode->i_ext2))) { - try_backup_journal: - if (sb->s_jnl_backup_type != EXT3_JNL_BACKUP_BLOCKS || - tried_backup_jnl) - goto errout; - memset(&j_inode->i_ext2, 0, sizeof(struct ext2_inode)); - memcpy(&j_inode->i_ext2.i_block[0], sb->s_jnl_blocks, - EXT2_N_BLOCKS*4); - j_inode->i_ext2.i_size = sb->s_jnl_blocks[16]; - j_inode->i_ext2.i_links_count = 1; - j_inode->i_ext2.i_mode = LINUX_S_IFREG | 0600; - tried_backup_jnl++; - } - if (!j_inode->i_ext2.i_links_count || - !LINUX_S_ISREG(j_inode->i_ext2.i_mode)) { - retval = EXT2_ET_NO_JOURNAL; - goto try_backup_journal; - } - if (j_inode->i_ext2.i_size / journal->j_blocksize < - JFS_MIN_JOURNAL_BLOCKS) { - retval = EXT2_ET_JOURNAL_TOO_SMALL; - goto try_backup_journal; - } - for (i=0; i < EXT2_N_BLOCKS; i++) { - blk = j_inode->i_ext2.i_block[i]; - if (!blk) { - if (i < EXT2_NDIR_BLOCKS) { - retval = EXT2_ET_JOURNAL_TOO_SMALL; - goto try_backup_journal; - } - continue; - } - if (blk < sb->s_first_data_block || - blk >= sb->s_blocks_count) { - retval = EXT2_ET_BAD_BLOCK_NUM; - goto try_backup_journal; - } - } - journal->j_maxlen = j_inode->i_ext2.i_size / journal->j_blocksize; - -#ifdef USE_INODE_IO - retval = ext2fs_inode_io_intern2(ctx->fs, sb->s_journal_inum, - &j_inode->i_ext2, - &journal_name); - if (retval) - goto errout; - - io_ptr = inode_io_manager; -#else - journal->j_inode = j_inode; - ctx->journal_io = ctx->fs->io; - if ((retval = journal_bmap(journal, 0, &start)) != 0) - goto errout; -#endif - } else { - ext_journal = 1; - if (!ctx->journal_name) { - char uuid[37]; - - uuid_unparse(sb->s_journal_uuid, uuid); - ctx->journal_name = blkid_get_devname(ctx->blkid, - "UUID", uuid); - if (!ctx->journal_name) - ctx->journal_name = blkid_devno_to_devname(sb->s_journal_dev); - } - journal_name = ctx->journal_name; - - if (!journal_name) { - fix_problem(ctx, PR_0_CANT_FIND_JOURNAL, &pctx); - return EXT2_ET_LOAD_EXT_JOURNAL; - } - - io_ptr = unix_io_manager; - } - -#ifndef USE_INODE_IO - if (ext_journal) -#endif - retval = io_ptr->open(journal_name, IO_FLAG_RW, - &ctx->journal_io); - if (retval) - goto errout; - - io_channel_set_blksize(ctx->journal_io, ctx->fs->blocksize); - - if (ext_journal) { - if (ctx->fs->blocksize == 1024) - start = 1; - bh = getblk(dev_journal, start, ctx->fs->blocksize); - if (!bh) { - retval = EXT2_ET_NO_MEMORY; - goto errout; - } - ll_rw_block(READ, 1, &bh); - if ((retval = bh->b_err) != 0) - goto errout; - memcpy(&jsuper, start ? bh->b_data : bh->b_data + 1024, - sizeof(jsuper)); - brelse(bh); -#if BB_BIG_ENDIAN - if (jsuper.s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC)) - ext2fs_swap_super(&jsuper); -#endif - if (jsuper.s_magic != EXT2_SUPER_MAGIC || - !(jsuper.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) { - fix_problem(ctx, PR_0_EXT_JOURNAL_BAD_SUPER, &pctx); - retval = EXT2_ET_LOAD_EXT_JOURNAL; - goto errout; - } - /* Make sure the journal UUID is correct */ - if (memcmp(jsuper.s_uuid, ctx->fs->super->s_journal_uuid, - sizeof(jsuper.s_uuid))) { - fix_problem(ctx, PR_0_JOURNAL_BAD_UUID, &pctx); - retval = EXT2_ET_LOAD_EXT_JOURNAL; - goto errout; - } - - journal->j_maxlen = jsuper.s_blocks_count; - start++; - } - - if (!(bh = getblk(dev_journal, start, journal->j_blocksize))) { - retval = EXT2_ET_NO_MEMORY; - goto errout; - } - - journal->j_sb_buffer = bh; - journal->j_superblock = (journal_superblock_t *)bh->b_data; - -#ifdef USE_INODE_IO - ext2fs_free_mem(&j_inode); -#endif - - *ret_journal = journal; - return 0; - -errout: - ext2fs_free_mem(&dev_fs); - ext2fs_free_mem(&j_inode); - ext2fs_free_mem(&journal); - return retval; - -} - -static errcode_t e2fsck_journal_fix_bad_inode(e2fsck_t ctx, - struct problem_context *pctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - int recover = ctx->fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_RECOVER; - int has_journal = ctx->fs->super->s_feature_compat & - EXT3_FEATURE_COMPAT_HAS_JOURNAL; - - if (has_journal || sb->s_journal_inum) { - /* The journal inode is bogus, remove and force full fsck */ - pctx->ino = sb->s_journal_inum; - if (fix_problem(ctx, PR_0_JOURNAL_BAD_INODE, pctx)) { - if (has_journal && sb->s_journal_inum) - printf("*** ext3 journal has been deleted - " - "filesystem is now ext2 only ***\n\n"); - sb->s_feature_compat &= ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; - sb->s_journal_inum = 0; - ctx->flags |= E2F_FLAG_JOURNAL_INODE; /* FIXME: todo */ - e2fsck_clear_recover(ctx, 1); - return 0; - } - return EXT2_ET_BAD_INODE_NUM; - } else if (recover) { - if (fix_problem(ctx, PR_0_JOURNAL_RECOVER_SET, pctx)) { - e2fsck_clear_recover(ctx, 1); - return 0; - } - return EXT2_ET_UNSUPP_FEATURE; - } - return 0; -} - -#define V1_SB_SIZE 0x0024 -static void clear_v2_journal_fields(journal_t *journal) -{ - e2fsck_t ctx = journal->j_dev->k_ctx; - struct problem_context pctx; - - clear_problem_context(&pctx); - - if (!fix_problem(ctx, PR_0_CLEAR_V2_JOURNAL, &pctx)) - return; - - memset(((char *) journal->j_superblock) + V1_SB_SIZE, 0, - ctx->fs->blocksize-V1_SB_SIZE); - mark_buffer_dirty(journal->j_sb_buffer); -} - - -static errcode_t e2fsck_journal_load(journal_t *journal) -{ - e2fsck_t ctx = journal->j_dev->k_ctx; - journal_superblock_t *jsb; - struct buffer_head *jbh = journal->j_sb_buffer; - struct problem_context pctx; - - clear_problem_context(&pctx); - - ll_rw_block(READ, 1, &jbh); - if (jbh->b_err) { - bb_error_msg(_("reading journal superblock")); - return jbh->b_err; - } - - jsb = journal->j_superblock; - /* If we don't even have JFS_MAGIC, we probably have a wrong inode */ - if (jsb->s_header.h_magic != htonl(JFS_MAGIC_NUMBER)) - return e2fsck_journal_fix_bad_inode(ctx, &pctx); - - switch (ntohl(jsb->s_header.h_blocktype)) { - case JFS_SUPERBLOCK_V1: - journal->j_format_version = 1; - if (jsb->s_feature_compat || - jsb->s_feature_incompat || - jsb->s_feature_ro_compat || - jsb->s_nr_users) - clear_v2_journal_fields(journal); - break; - - case JFS_SUPERBLOCK_V2: - journal->j_format_version = 2; - if (ntohl(jsb->s_nr_users) > 1 && - uuid_is_null(ctx->fs->super->s_journal_uuid)) - clear_v2_journal_fields(journal); - if (ntohl(jsb->s_nr_users) > 1) { - fix_problem(ctx, PR_0_JOURNAL_UNSUPP_MULTIFS, &pctx); - return EXT2_ET_JOURNAL_UNSUPP_VERSION; - } - break; - - /* - * These should never appear in a journal super block, so if - * they do, the journal is badly corrupted. - */ - case JFS_DESCRIPTOR_BLOCK: - case JFS_COMMIT_BLOCK: - case JFS_REVOKE_BLOCK: - return EXT2_ET_CORRUPT_SUPERBLOCK; - - /* If we don't understand the superblock major type, but there - * is a magic number, then it is likely to be a new format we - * just don't understand, so leave it alone. */ - default: - return EXT2_ET_JOURNAL_UNSUPP_VERSION; - } - - if (JFS_HAS_INCOMPAT_FEATURE(journal, ~JFS_KNOWN_INCOMPAT_FEATURES)) - return EXT2_ET_UNSUPP_FEATURE; - - if (JFS_HAS_RO_COMPAT_FEATURE(journal, ~JFS_KNOWN_ROCOMPAT_FEATURES)) - return EXT2_ET_RO_UNSUPP_FEATURE; - - /* We have now checked whether we know enough about the journal - * format to be able to proceed safely, so any other checks that - * fail we should attempt to recover from. */ - if (jsb->s_blocksize != htonl(journal->j_blocksize)) { - bb_error_msg(_("%s: no valid journal superblock found"), - ctx->device_name); - return EXT2_ET_CORRUPT_SUPERBLOCK; - } - - if (ntohl(jsb->s_maxlen) < journal->j_maxlen) - journal->j_maxlen = ntohl(jsb->s_maxlen); - else if (ntohl(jsb->s_maxlen) > journal->j_maxlen) { - bb_error_msg(_("%s: journal too short"), - ctx->device_name); - return EXT2_ET_CORRUPT_SUPERBLOCK; - } - - journal->j_tail_sequence = ntohl(jsb->s_sequence); - journal->j_transaction_sequence = journal->j_tail_sequence; - journal->j_tail = ntohl(jsb->s_start); - journal->j_first = ntohl(jsb->s_first); - journal->j_last = ntohl(jsb->s_maxlen); - - return 0; -} - -static void e2fsck_journal_reset_super(e2fsck_t ctx, journal_superblock_t *jsb, - journal_t *journal) -{ - char *p; - union { - uuid_t uuid; - __u32 val[4]; - } u; - __u32 new_seq = 0; - int i; - - /* Leave a valid existing V1 superblock signature alone. - * Anything unrecognisable we overwrite with a new V2 - * signature. */ - - if (jsb->s_header.h_magic != htonl(JFS_MAGIC_NUMBER) || - jsb->s_header.h_blocktype != htonl(JFS_SUPERBLOCK_V1)) { - jsb->s_header.h_magic = htonl(JFS_MAGIC_NUMBER); - jsb->s_header.h_blocktype = htonl(JFS_SUPERBLOCK_V2); - } - - /* Zero out everything else beyond the superblock header */ - - p = ((char *) jsb) + sizeof(journal_header_t); - memset (p, 0, ctx->fs->blocksize-sizeof(journal_header_t)); - - jsb->s_blocksize = htonl(ctx->fs->blocksize); - jsb->s_maxlen = htonl(journal->j_maxlen); - jsb->s_first = htonl(1); - - /* Initialize the journal sequence number so that there is "no" - * chance we will find old "valid" transactions in the journal. - * This avoids the need to zero the whole journal (slow to do, - * and risky when we are just recovering the filesystem). - */ - uuid_generate(u.uuid); - for (i = 0; i < 4; i ++) - new_seq ^= u.val[i]; - jsb->s_sequence = htonl(new_seq); - - mark_buffer_dirty(journal->j_sb_buffer); - ll_rw_block(WRITE, 1, &journal->j_sb_buffer); -} - -static errcode_t e2fsck_journal_fix_corrupt_super(e2fsck_t ctx, - journal_t *journal, - struct problem_context *pctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - int recover = ctx->fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_RECOVER; - - if (sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) { - if (fix_problem(ctx, PR_0_JOURNAL_BAD_SUPER, pctx)) { - e2fsck_journal_reset_super(ctx, journal->j_superblock, - journal); - journal->j_transaction_sequence = 1; - e2fsck_clear_recover(ctx, recover); - return 0; - } - return EXT2_ET_CORRUPT_SUPERBLOCK; - } else if (e2fsck_journal_fix_bad_inode(ctx, pctx)) - return EXT2_ET_CORRUPT_SUPERBLOCK; - - return 0; -} - -static void e2fsck_journal_release(e2fsck_t ctx, journal_t *journal, - int reset, int drop) -{ - journal_superblock_t *jsb; - - if (drop) - mark_buffer_clean(journal->j_sb_buffer); - else if (!(ctx->options & E2F_OPT_READONLY)) { - jsb = journal->j_superblock; - jsb->s_sequence = htonl(journal->j_transaction_sequence); - if (reset) - jsb->s_start = 0; /* this marks the journal as empty */ - mark_buffer_dirty(journal->j_sb_buffer); - } - brelse(journal->j_sb_buffer); - - if (ctx->journal_io) { - if (ctx->fs && ctx->fs->io != ctx->journal_io) - io_channel_close(ctx->journal_io); - ctx->journal_io = 0; - } - -#ifndef USE_INODE_IO - ext2fs_free_mem(&journal->j_inode); -#endif - ext2fs_free_mem(&journal->j_fs_dev); - ext2fs_free_mem(&journal); -} - -/* - * This function makes sure that the superblock fields regarding the - * journal are consistent. - */ -static int e2fsck_check_ext3_journal(e2fsck_t ctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - journal_t *journal; - int recover = ctx->fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_RECOVER; - struct problem_context pctx; - problem_t problem; - int reset = 0, force_fsck = 0; - int retval; - - /* If we don't have any journal features, don't do anything more */ - if (!(sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) && - !recover && sb->s_journal_inum == 0 && sb->s_journal_dev == 0 && - uuid_is_null(sb->s_journal_uuid)) - return 0; - - clear_problem_context(&pctx); - pctx.num = sb->s_journal_inum; - - retval = e2fsck_get_journal(ctx, &journal); - if (retval) { - if ((retval == EXT2_ET_BAD_INODE_NUM) || - (retval == EXT2_ET_BAD_BLOCK_NUM) || - (retval == EXT2_ET_JOURNAL_TOO_SMALL) || - (retval == EXT2_ET_NO_JOURNAL)) - return e2fsck_journal_fix_bad_inode(ctx, &pctx); - return retval; - } - - retval = e2fsck_journal_load(journal); - if (retval) { - if ((retval == EXT2_ET_CORRUPT_SUPERBLOCK) || - ((retval == EXT2_ET_UNSUPP_FEATURE) && - (!fix_problem(ctx, PR_0_JOURNAL_UNSUPP_INCOMPAT, - &pctx))) || - ((retval == EXT2_ET_RO_UNSUPP_FEATURE) && - (!fix_problem(ctx, PR_0_JOURNAL_UNSUPP_ROCOMPAT, - &pctx))) || - ((retval == EXT2_ET_JOURNAL_UNSUPP_VERSION) && - (!fix_problem(ctx, PR_0_JOURNAL_UNSUPP_VERSION, &pctx)))) - retval = e2fsck_journal_fix_corrupt_super(ctx, journal, - &pctx); - e2fsck_journal_release(ctx, journal, 0, 1); - return retval; - } - - /* - * We want to make the flags consistent here. We will not leave with - * needs_recovery set but has_journal clear. We can't get in a loop - * with -y, -n, or -p, only if a user isn't making up their mind. - */ -no_has_journal: - if (!(sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL)) { - recover = sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER; - pctx.str = "inode"; - if (fix_problem(ctx, PR_0_JOURNAL_HAS_JOURNAL, &pctx)) { - if (recover && - !fix_problem(ctx, PR_0_JOURNAL_RECOVER_SET, &pctx)) - goto no_has_journal; - /* - * Need a full fsck if we are releasing a - * journal stored on a reserved inode. - */ - force_fsck = recover || - (sb->s_journal_inum < EXT2_FIRST_INODE(sb)); - /* Clear all of the journal fields */ - sb->s_journal_inum = 0; - sb->s_journal_dev = 0; - memset(sb->s_journal_uuid, 0, - sizeof(sb->s_journal_uuid)); - e2fsck_clear_recover(ctx, force_fsck); - } else if (!(ctx->options & E2F_OPT_READONLY)) { - sb->s_feature_compat |= EXT3_FEATURE_COMPAT_HAS_JOURNAL; - ext2fs_mark_super_dirty(ctx->fs); - } - } - - if (sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL && - !(sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) && - journal->j_superblock->s_start != 0) { - /* Print status information */ - fix_problem(ctx, PR_0_JOURNAL_RECOVERY_CLEAR, &pctx); - if (ctx->superblock) - problem = PR_0_JOURNAL_RUN_DEFAULT; - else - problem = PR_0_JOURNAL_RUN; - if (fix_problem(ctx, problem, &pctx)) { - ctx->options |= E2F_OPT_FORCE; - sb->s_feature_incompat |= - EXT3_FEATURE_INCOMPAT_RECOVER; - ext2fs_mark_super_dirty(ctx->fs); - } else if (fix_problem(ctx, - PR_0_JOURNAL_RESET_JOURNAL, &pctx)) { - reset = 1; - sb->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(ctx->fs); - } - /* - * If the user answers no to the above question, we - * ignore the fact that journal apparently has data; - * accidentally replaying over valid data would be far - * worse than skipping a questionable recovery. - * - * XXX should we abort with a fatal error here? What - * will the ext3 kernel code do if a filesystem with - * !NEEDS_RECOVERY but with a non-zero - * journal->j_superblock->s_start is mounted? - */ - } - - e2fsck_journal_release(ctx, journal, reset, 0); - return retval; -} - -static errcode_t recover_ext3_journal(e2fsck_t ctx) -{ - journal_t *journal; - int retval; - - journal_init_revoke_caches(); - retval = e2fsck_get_journal(ctx, &journal); - if (retval) - return retval; - - retval = e2fsck_journal_load(journal); - if (retval) - goto errout; - - retval = journal_init_revoke(journal, 1024); - if (retval) - goto errout; - - retval = -journal_recover(journal); - if (retval) - goto errout; - - if (journal->j_superblock->s_errno) { - ctx->fs->super->s_state |= EXT2_ERROR_FS; - ext2fs_mark_super_dirty(ctx->fs); - journal->j_superblock->s_errno = 0; - mark_buffer_dirty(journal->j_sb_buffer); - } - -errout: - journal_destroy_revoke(journal); - journal_destroy_revoke_caches(); - e2fsck_journal_release(ctx, journal, 1, 0); - return retval; -} - -static int e2fsck_run_ext3_journal(e2fsck_t ctx) -{ - io_manager io_ptr = ctx->fs->io->manager; - int blocksize = ctx->fs->blocksize; - errcode_t retval, recover_retval; - - printf(_("%s: recovering journal\n"), ctx->device_name); - if (ctx->options & E2F_OPT_READONLY) { - printf(_("%s: won't do journal recovery while read-only\n"), - ctx->device_name); - return EXT2_ET_FILE_RO; - } - - if (ctx->fs->flags & EXT2_FLAG_DIRTY) - ext2fs_flush(ctx->fs); /* Force out any modifications */ - - recover_retval = recover_ext3_journal(ctx); - - /* - * Reload the filesystem context to get up-to-date data from disk - * because journal recovery will change the filesystem under us. - */ - ext2fs_close(ctx->fs); - retval = ext2fs_open(ctx->filesystem_name, EXT2_FLAG_RW, - ctx->superblock, blocksize, io_ptr, - &ctx->fs); - - if (retval) { - bb_error_msg(_("while trying to re-open %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } - ctx->fs->priv_data = ctx; - - /* Set the superblock flags */ - e2fsck_clear_recover(ctx, recover_retval); - return recover_retval; -} - -/* - * This function will move the journal inode from a visible file in - * the filesystem directory hierarchy to the reserved inode if necessary. - */ -static const char * const journal_names[] = { - ".journal", "journal", ".journal.dat", "journal.dat", 0 }; - -static void e2fsck_move_ext3_journal(e2fsck_t ctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - struct problem_context pctx; - struct ext2_inode inode; - ext2_filsys fs = ctx->fs; - ext2_ino_t ino; - errcode_t retval; - const char * const * cpp; - int group, mount_flags; - - clear_problem_context(&pctx); - - /* - * If the filesystem is opened read-only, or there is no - * journal, then do nothing. - */ - if ((ctx->options & E2F_OPT_READONLY) || - (sb->s_journal_inum == 0) || - !(sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL)) - return; - - /* - * Read in the journal inode - */ - if (ext2fs_read_inode(fs, sb->s_journal_inum, &inode) != 0) - return; - - /* - * If it's necessary to backup the journal inode, do so. - */ - if ((sb->s_jnl_backup_type == 0) || - ((sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) && - memcmp(inode.i_block, sb->s_jnl_blocks, EXT2_N_BLOCKS*4))) { - if (fix_problem(ctx, PR_0_BACKUP_JNL, &pctx)) { - memcpy(sb->s_jnl_blocks, inode.i_block, - EXT2_N_BLOCKS*4); - sb->s_jnl_blocks[16] = inode.i_size; - sb->s_jnl_backup_type = EXT3_JNL_BACKUP_BLOCKS; - ext2fs_mark_super_dirty(fs); - fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; - } - } - - /* - * If the journal is already the hidden inode, then do nothing - */ - if (sb->s_journal_inum == EXT2_JOURNAL_INO) - return; - - /* - * The journal inode had better have only one link and not be readable. - */ - if (inode.i_links_count != 1) - return; - - /* - * If the filesystem is mounted, or we can't tell whether - * or not it's mounted, do nothing. - */ - retval = ext2fs_check_if_mounted(ctx->filesystem_name, &mount_flags); - if (retval || (mount_flags & EXT2_MF_MOUNTED)) - return; - - /* - * If we can't find the name of the journal inode, then do - * nothing. - */ - for (cpp = journal_names; *cpp; cpp++) { - retval = ext2fs_lookup(fs, EXT2_ROOT_INO, *cpp, - strlen(*cpp), 0, &ino); - if ((retval == 0) && (ino == sb->s_journal_inum)) - break; - } - if (*cpp == 0) - return; - - /* We need the inode bitmap to be loaded */ - retval = ext2fs_read_bitmaps(fs); - if (retval) - return; - - pctx.str = *cpp; - if (!fix_problem(ctx, PR_0_MOVE_JOURNAL, &pctx)) - return; - - /* - * OK, we've done all the checks, let's actually move the - * journal inode. Errors at this point mean we need to force - * an ext2 filesystem check. - */ - if ((retval = ext2fs_unlink(fs, EXT2_ROOT_INO, *cpp, ino, 0)) != 0) - goto err_out; - if ((retval = ext2fs_write_inode(fs, EXT2_JOURNAL_INO, &inode)) != 0) - goto err_out; - sb->s_journal_inum = EXT2_JOURNAL_INO; - ext2fs_mark_super_dirty(fs); - fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; - inode.i_links_count = 0; - inode.i_dtime = time(0); - if ((retval = ext2fs_write_inode(fs, ino, &inode)) != 0) - goto err_out; - - group = ext2fs_group_of_ino(fs, ino); - ext2fs_unmark_inode_bitmap(fs->inode_map, ino); - ext2fs_mark_ib_dirty(fs); - fs->group_desc[group].bg_free_inodes_count++; - fs->super->s_free_inodes_count++; - return; - -err_out: - pctx.errcode = retval; - fix_problem(ctx, PR_0_ERR_MOVE_JOURNAL, &pctx); - fs->super->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(fs); - return; -} - -/* - * message.c --- print e2fsck messages (with compression) - * - * print_e2fsck_message() prints a message to the user, using - * compression techniques and expansions of abbreviations. - * - * The following % expansions are supported: - * - * %b <blk> block number - * %B <blkcount> integer - * %c <blk2> block number - * %Di <dirent>->ino inode number - * %Dn <dirent>->name string - * %Dr <dirent>->rec_len - * %Dl <dirent>->name_len - * %Dt <dirent>->filetype - * %d <dir> inode number - * %g <group> integer - * %i <ino> inode number - * %Is <inode> -> i_size - * %IS <inode> -> i_extra_isize - * %Ib <inode> -> i_blocks - * %Il <inode> -> i_links_count - * %Im <inode> -> i_mode - * %IM <inode> -> i_mtime - * %IF <inode> -> i_faddr - * %If <inode> -> i_file_acl - * %Id <inode> -> i_dir_acl - * %Iu <inode> -> i_uid - * %Ig <inode> -> i_gid - * %j <ino2> inode number - * %m <com_err error message> - * %N <num> - * %p ext2fs_get_pathname of directory <ino> - * %P ext2fs_get_pathname of <dirent>->ino with <ino2> as - * the containing directory. (If dirent is NULL - * then return the pathname of directory <ino2>) - * %q ext2fs_get_pathname of directory <dir> - * %Q ext2fs_get_pathname of directory <ino> with <dir> as - * the containing directory. - * %s <str> miscellaneous string - * %S backup superblock - * %X <num> hexadecimal format - * - * The following '@' expansions are supported: - * - * @a extended attribute - * @A error allocating - * @b block - * @B bitmap - * @c compress - * @C conflicts with some other fs block - * @D deleted - * @d directory - * @e entry - * @E Entry '%Dn' in %p (%i) - * @f filesystem - * @F for @i %i (%Q) is - * @g group - * @h HTREE directory inode - * @i inode - * @I illegal - * @j journal - * @l lost+found - * @L is a link - * @m multiply-claimed - * @n invalid - * @o orphaned - * @p problem in - * @r root inode - * @s should be - * @S superblock - * @u unattached - * @v device - * @z zero-length - */ - - -/* - * This structure defines the abbreviations used by the text strings - * below. The first character in the string is the index letter. An - * abbreviation of the form '@<i>' is expanded by looking up the index - * letter <i> in the table below. - */ -static const char * const abbrevs[] = { - N_("aextended attribute"), - N_("Aerror allocating"), - N_("bblock"), - N_("Bbitmap"), - N_("ccompress"), - N_("Cconflicts with some other fs @b"), - N_("iinode"), - N_("Iillegal"), - N_("jjournal"), - N_("Ddeleted"), - N_("ddirectory"), - N_("eentry"), - N_("E@e '%Dn' in %p (%i)"), - N_("ffilesystem"), - N_("Ffor @i %i (%Q) is"), - N_("ggroup"), - N_("hHTREE @d @i"), - N_("llost+found"), - N_("Lis a link"), - N_("mmultiply-claimed"), - N_("ninvalid"), - N_("oorphaned"), - N_("pproblem in"), - N_("rroot @i"), - N_("sshould be"), - N_("Ssuper@b"), - N_("uunattached"), - N_("vdevice"), - N_("zzero-length"), - "@@", - 0 - }; - -/* - * Give more user friendly names to the "special" inodes. - */ -#define num_special_inodes 11 -static const char * const special_inode_name[] = -{ - N_("<The NULL inode>"), /* 0 */ - N_("<The bad blocks inode>"), /* 1 */ - "/", /* 2 */ - N_("<The ACL index inode>"), /* 3 */ - N_("<The ACL data inode>"), /* 4 */ - N_("<The boot loader inode>"), /* 5 */ - N_("<The undelete directory inode>"), /* 6 */ - N_("<The group descriptor inode>"), /* 7 */ - N_("<The journal inode>"), /* 8 */ - N_("<Reserved inode 9>"), /* 9 */ - N_("<Reserved inode 10>"), /* 10 */ -}; - -/* - * This function does "safe" printing. It will convert non-printable - * ASCII characters using '^' and M- notation. - */ -static void safe_print(const char *cp, int len) -{ - unsigned char ch; - - if (len < 0) - len = strlen(cp); - - while (len--) { - ch = *cp++; - if (ch > 128) { - fputs("M-", stdout); - ch -= 128; - } - if ((ch < 32) || (ch == 0x7f)) { - fputc('^', stdout); - ch ^= 0x40; /* ^@, ^A, ^B; ^? for DEL */ - } - fputc(ch, stdout); - } -} - - -/* - * This function prints a pathname, using the ext2fs_get_pathname - * function - */ -static void print_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino) -{ - errcode_t retval; - char *path; - - if (!dir && (ino < num_special_inodes)) { - fputs(_(special_inode_name[ino]), stdout); - return; - } - - retval = ext2fs_get_pathname(fs, dir, ino, &path); - if (retval) - fputs("???", stdout); - else { - safe_print(path, -1); - ext2fs_free_mem(&path); - } -} - -static void print_e2fsck_message(e2fsck_t ctx, const char *msg, - struct problem_context *pctx, int first); -/* - * This function handles the '@' expansion. We allow recursive - * expansion; an @ expression can contain further '@' and '%' - * expressions. - */ -static void expand_at_expression(e2fsck_t ctx, char ch, - struct problem_context *pctx, - int *first) -{ - const char * const *cpp; - const char *str; - - /* Search for the abbreviation */ - for (cpp = abbrevs; *cpp; cpp++) { - if (ch == *cpp[0]) - break; - } - if (*cpp) { - str = _(*cpp) + 1; - if (*first && islower(*str)) { - *first = 0; - fputc(toupper(*str++), stdout); - } - print_e2fsck_message(ctx, str, pctx, *first); - } else - printf("@%c", ch); -} - -/* - * This function expands '%IX' expressions - */ -static void expand_inode_expression(char ch, - struct problem_context *ctx) -{ - struct ext2_inode *inode; - struct ext2_inode_large *large_inode; - char * time_str; - time_t t; - int do_gmt = -1; - - if (!ctx || !ctx->inode) - goto no_inode; - - inode = ctx->inode; - large_inode = (struct ext2_inode_large *) inode; - - switch (ch) { - case 's': - if (LINUX_S_ISDIR(inode->i_mode)) - printf("%u", inode->i_size); - else { - printf("%"PRIu64, (inode->i_size | - ((uint64_t) inode->i_size_high << 32))); - } - break; - case 'S': - printf("%u", large_inode->i_extra_isize); - break; - case 'b': - printf("%u", inode->i_blocks); - break; - case 'l': - printf("%d", inode->i_links_count); - break; - case 'm': - printf("0%o", inode->i_mode); - break; - case 'M': - /* The diet libc doesn't respect the TZ environemnt variable */ - if (do_gmt == -1) { - time_str = getenv("TZ"); - if (!time_str) - time_str = ""; - do_gmt = !strcmp(time_str, "GMT"); - } - t = inode->i_mtime; - time_str = asctime(do_gmt ? gmtime(&t) : localtime(&t)); - printf("%.24s", time_str); - break; - case 'F': - printf("%u", inode->i_faddr); - break; - case 'f': - printf("%u", inode->i_file_acl); - break; - case 'd': - printf("%u", (LINUX_S_ISDIR(inode->i_mode) ? - inode->i_dir_acl : 0)); - break; - case 'u': - printf("%d", (inode->i_uid | - (inode->osd2.linux2.l_i_uid_high << 16))); - break; - case 'g': - printf("%d", (inode->i_gid | - (inode->osd2.linux2.l_i_gid_high << 16))); - break; - default: - no_inode: - printf("%%I%c", ch); - break; - } -} - -/* - * This function expands '%dX' expressions - */ -static void expand_dirent_expression(char ch, - struct problem_context *ctx) -{ - struct ext2_dir_entry *dirent; - int len; - - if (!ctx || !ctx->dirent) - goto no_dirent; - - dirent = ctx->dirent; - - switch (ch) { - case 'i': - printf("%u", dirent->inode); - break; - case 'n': - len = dirent->name_len & 0xFF; - if (len > EXT2_NAME_LEN) - len = EXT2_NAME_LEN; - if (len > dirent->rec_len) - len = dirent->rec_len; - safe_print(dirent->name, len); - break; - case 'r': - printf("%u", dirent->rec_len); - break; - case 'l': - printf("%u", dirent->name_len & 0xFF); - break; - case 't': - printf("%u", dirent->name_len >> 8); - break; - default: - no_dirent: - printf("%%D%c", ch); - break; - } -} - -static void expand_percent_expression(ext2_filsys fs, char ch, - struct problem_context *ctx) -{ - if (!ctx) - goto no_context; - - switch (ch) { - case '%': - fputc('%', stdout); - break; - case 'b': - printf("%u", ctx->blk); - break; - case 'B': - printf("%"PRIi64, ctx->blkcount); - break; - case 'c': - printf("%u", ctx->blk2); - break; - case 'd': - printf("%u", ctx->dir); - break; - case 'g': - printf("%d", ctx->group); - break; - case 'i': - printf("%u", ctx->ino); - break; - case 'j': - printf("%u", ctx->ino2); - break; - case 'm': - printf("%s", error_message(ctx->errcode)); - break; - case 'N': - printf("%"PRIi64, ctx->num); - break; - case 'p': - print_pathname(fs, ctx->ino, 0); - break; - case 'P': - print_pathname(fs, ctx->ino2, - ctx->dirent ? ctx->dirent->inode : 0); - break; - case 'q': - print_pathname(fs, ctx->dir, 0); - break; - case 'Q': - print_pathname(fs, ctx->dir, ctx->ino); - break; - case 'S': - printf("%d", get_backup_sb(NULL, fs, NULL, NULL)); - break; - case 's': - printf("%s", ctx->str ? ctx->str : "NULL"); - break; - case 'X': - printf("0x%"PRIi64, ctx->num); - break; - default: - no_context: - printf("%%%c", ch); - break; - } -} - - -static void print_e2fsck_message(e2fsck_t ctx, const char *msg, - struct problem_context *pctx, int first) -{ - ext2_filsys fs = ctx->fs; - const char * cp; - int i; - - e2fsck_clear_progbar(ctx); - for (cp = msg; *cp; cp++) { - if (cp[0] == '@') { - cp++; - expand_at_expression(ctx, *cp, pctx, &first); - } else if (cp[0] == '%' && cp[1] == 'I') { - cp += 2; - expand_inode_expression(*cp, pctx); - } else if (cp[0] == '%' && cp[1] == 'D') { - cp += 2; - expand_dirent_expression(*cp, pctx); - } else if ((cp[0] == '%')) { - cp++; - expand_percent_expression(fs, *cp, pctx); - } else { - for (i=0; cp[i]; i++) - if ((cp[i] == '@') || cp[i] == '%') - break; - printf("%.*s", i, cp); - cp += i-1; - } - first = 0; - } -} - - -/* - * region.c --- code which manages allocations within a region. - */ - -struct region_el { - region_addr_t start; - region_addr_t end; - struct region_el *next; -}; - -struct region_struct { - region_addr_t min; - region_addr_t max; - struct region_el *allocated; -}; - -static region_t region_create(region_addr_t min, region_addr_t max) -{ - region_t region; - - region = malloc(sizeof(struct region_struct)); - if (!region) - return NULL; - memset(region, 0, sizeof(struct region_struct)); - region->min = min; - region->max = max; - return region; -} - -static void region_free(region_t region) -{ - struct region_el *r, *next; - - for (r = region->allocated; r; r = next) { - next = r->next; - free(r); - } - memset(region, 0, sizeof(struct region_struct)); - free(region); -} - -static int region_allocate(region_t region, region_addr_t start, int n) -{ - struct region_el *r, *new_region, *prev, *next; - region_addr_t end; - - end = start+n; - if ((start < region->min) || (end > region->max)) - return -1; - if (n == 0) - return 1; - - /* - * Search through the linked list. If we find that it - * conflicts witih something that's already allocated, return - * 1; if we can find an existing region which we can grow, do - * so. Otherwise, stop when we find the appropriate place - * insert a new region element into the linked list. - */ - for (r = region->allocated, prev=NULL; r; prev = r, r = r->next) { - if (((start >= r->start) && (start < r->end)) || - ((end > r->start) && (end <= r->end)) || - ((start <= r->start) && (end >= r->end))) - return 1; - if (end == r->start) { - r->start = start; - return 0; - } - if (start == r->end) { - if ((next = r->next)) { - if (end > next->start) - return 1; - if (end == next->start) { - r->end = next->end; - r->next = next->next; - free(next); - return 0; - } - } - r->end = end; - return 0; - } - if (start < r->start) - break; - } - /* - * Insert a new region element structure into the linked list - */ - new_region = malloc(sizeof(struct region_el)); - if (!new_region) - return -1; - new_region->start = start; - new_region->end = start + n; - new_region->next = r; - if (prev) - prev->next = new_region; - else - region->allocated = new_region; - return 0; -} - -/* - * pass1.c -- pass #1 of e2fsck: sequential scan of the inode table - * - * Pass 1 of e2fsck iterates over all the inodes in the filesystems, - * and applies the following tests to each inode: - * - * - The mode field of the inode must be legal. - * - The size and block count fields of the inode are correct. - * - A data block must not be used by another inode - * - * Pass 1 also gathers the collects the following information: - * - * - A bitmap of which inodes are in use. (inode_used_map) - * - A bitmap of which inodes are directories. (inode_dir_map) - * - A bitmap of which inodes are regular files. (inode_reg_map) - * - A bitmap of which inodes have bad fields. (inode_bad_map) - * - A bitmap of which inodes are imagic inodes. (inode_imagic_map) - * - A bitmap of which blocks are in use. (block_found_map) - * - A bitmap of which blocks are in use by two inodes (block_dup_map) - * - The data blocks of the directory inodes. (dir_map) - * - * Pass 1 is designed to stash away enough information so that the - * other passes should not need to read in the inode information - * during the normal course of a filesystem check. (Althogh if an - * inconsistency is detected, other passes may need to read in an - * inode to fix it.) - * - * Note that pass 1B will be invoked if there are any duplicate blocks - * found. - */ - - -static int process_block(ext2_filsys fs, blk_t *blocknr, - e2_blkcnt_t blockcnt, blk_t ref_blk, - int ref_offset, void *priv_data); -static int process_bad_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, blk_t ref_blk, - int ref_offset, void *priv_data); -static void check_blocks(e2fsck_t ctx, struct problem_context *pctx, - char *block_buf); -static void mark_table_blocks(e2fsck_t ctx); -static void alloc_imagic_map(e2fsck_t ctx); -static void mark_inode_bad(e2fsck_t ctx, ino_t ino); -static void handle_fs_bad_blocks(e2fsck_t ctx); -static void process_inodes(e2fsck_t ctx, char *block_buf); -static int process_inode_cmp(const void *a, const void *b); -static errcode_t scan_callback(ext2_filsys fs, - dgrp_t group, void * priv_data); -static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount, - char *block_buf, int adjust_sign); -/* static char *describe_illegal_block(ext2_filsys fs, blk_t block); */ - -static void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino, - struct ext2_inode * inode, int bufsize, - const char *proc); - -struct process_block_struct_1 { - ext2_ino_t ino; - unsigned is_dir:1, is_reg:1, clear:1, suppress:1, - fragmented:1, compressed:1, bbcheck:1; - blk_t num_blocks; - blk_t max_blocks; - e2_blkcnt_t last_block; - int num_illegal_blocks; - blk_t previous_block; - struct ext2_inode *inode; - struct problem_context *pctx; - ext2fs_block_bitmap fs_meta_blocks; - e2fsck_t ctx; -}; - -struct process_inode_block { - ext2_ino_t ino; - struct ext2_inode inode; -}; - -struct scan_callback_struct { - e2fsck_t ctx; - char *block_buf; -}; - -/* - * For the inodes to process list. - */ -static struct process_inode_block *inodes_to_process; -static int process_inode_count; - -static __u64 ext2_max_sizes[EXT2_MAX_BLOCK_LOG_SIZE - - EXT2_MIN_BLOCK_LOG_SIZE + 1]; - -/* - * Free all memory allocated by pass1 in preparation for restarting - * things. - */ -static void unwind_pass1(void) -{ - ext2fs_free_mem(&inodes_to_process); -} - -/* - * Check to make sure a device inode is real. Returns 1 if the device - * checks out, 0 if not. - * - * Note: this routine is now also used to check FIFO's and Sockets, - * since they have the same requirement; the i_block fields should be - * zero. - */ -static int -e2fsck_pass1_check_device_inode(ext2_filsys fs, struct ext2_inode *inode) -{ - int i; - - /* - * If i_blocks is non-zero, or the index flag is set, then - * this is a bogus device/fifo/socket - */ - if ((ext2fs_inode_data_blocks(fs, inode) != 0) || - (inode->i_flags & EXT2_INDEX_FL)) - return 0; - - /* - * We should be able to do the test below all the time, but - * because the kernel doesn't forcibly clear the device - * inode's additional i_block fields, there are some rare - * occasions when a legitimate device inode will have non-zero - * additional i_block fields. So for now, we only complain - * when the immutable flag is set, which should never happen - * for devices. (And that's when the problem is caused, since - * you can't set or clear immutable flags for devices.) Once - * the kernel has been fixed we can change this... - */ - if (inode->i_flags & (EXT2_IMMUTABLE_FL | EXT2_APPEND_FL)) { - for (i=4; i < EXT2_N_BLOCKS; i++) - if (inode->i_block[i]) - return 0; - } - return 1; -} - -/* - * Check to make sure a symlink inode is real. Returns 1 if the symlink - * checks out, 0 if not. - */ -static int -e2fsck_pass1_check_symlink(ext2_filsys fs, struct ext2_inode *inode, char *buf) -{ - unsigned int len; - int i; - blk_t blocks; - - if ((inode->i_size_high || inode->i_size == 0) || - (inode->i_flags & EXT2_INDEX_FL)) - return 0; - - blocks = ext2fs_inode_data_blocks(fs, inode); - if (blocks) { - if ((inode->i_size >= fs->blocksize) || - (blocks != fs->blocksize >> 9) || - (inode->i_block[0] < fs->super->s_first_data_block) || - (inode->i_block[0] >= fs->super->s_blocks_count)) - return 0; - - for (i = 1; i < EXT2_N_BLOCKS; i++) - if (inode->i_block[i]) - return 0; - - if (io_channel_read_blk(fs->io, inode->i_block[0], 1, buf)) - return 0; - - len = strnlen(buf, fs->blocksize); - if (len == fs->blocksize) - return 0; - } else { - if (inode->i_size >= sizeof(inode->i_block)) - return 0; - - len = strnlen((char *)inode->i_block, sizeof(inode->i_block)); - if (len == sizeof(inode->i_block)) - return 0; - } - if (len != inode->i_size) - return 0; - return 1; -} - -/* - * If the immutable (or append-only) flag is set on the inode, offer - * to clear it. - */ -#define BAD_SPECIAL_FLAGS (EXT2_IMMUTABLE_FL | EXT2_APPEND_FL) -static void check_immutable(e2fsck_t ctx, struct problem_context *pctx) -{ - if (!(pctx->inode->i_flags & BAD_SPECIAL_FLAGS)) - return; - - if (!fix_problem(ctx, PR_1_SET_IMMUTABLE, pctx)) - return; - - pctx->inode->i_flags &= ~BAD_SPECIAL_FLAGS; - e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1"); -} - -/* - * If device, fifo or socket, check size is zero -- if not offer to - * clear it - */ -static void check_size(e2fsck_t ctx, struct problem_context *pctx) -{ - struct ext2_inode *inode = pctx->inode; - - if ((inode->i_size == 0) && (inode->i_size_high == 0)) - return; - - if (!fix_problem(ctx, PR_1_SET_NONZSIZE, pctx)) - return; - - inode->i_size = 0; - inode->i_size_high = 0; - e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1"); -} - -static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - struct ext2_inode_large *inode; - struct ext2_ext_attr_entry *entry; - char *start, *end; - int storage_size, remain, offs; - int problem = 0; - - inode = (struct ext2_inode_large *) pctx->inode; - storage_size = EXT2_INODE_SIZE(ctx->fs->super) - EXT2_GOOD_OLD_INODE_SIZE - - inode->i_extra_isize; - start = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE + - inode->i_extra_isize + sizeof(__u32); - end = (char *) inode + EXT2_INODE_SIZE(ctx->fs->super); - entry = (struct ext2_ext_attr_entry *) start; - - /* scan all entry's headers first */ - - /* take finish entry 0UL into account */ - remain = storage_size - sizeof(__u32); - offs = end - start; - - while (!EXT2_EXT_IS_LAST_ENTRY(entry)) { - - /* header eats this space */ - remain -= sizeof(struct ext2_ext_attr_entry); - - /* is attribute name valid? */ - if (EXT2_EXT_ATTR_SIZE(entry->e_name_len) > remain) { - pctx->num = entry->e_name_len; - problem = PR_1_ATTR_NAME_LEN; - goto fix; - } - - /* attribute len eats this space */ - remain -= EXT2_EXT_ATTR_SIZE(entry->e_name_len); - - /* check value size */ - if (entry->e_value_size == 0 || entry->e_value_size > remain) { - pctx->num = entry->e_value_size; - problem = PR_1_ATTR_VALUE_SIZE; - goto fix; - } - - /* check value placement */ - if (entry->e_value_offs + - EXT2_XATTR_SIZE(entry->e_value_size) != offs) { - printf("(entry->e_value_offs + entry->e_value_size: %d, offs: %d)\n", entry->e_value_offs + entry->e_value_size, offs); - pctx->num = entry->e_value_offs; - problem = PR_1_ATTR_VALUE_OFFSET; - goto fix; - } - - /* e_value_block must be 0 in inode's ea */ - if (entry->e_value_block != 0) { - pctx->num = entry->e_value_block; - problem = PR_1_ATTR_VALUE_BLOCK; - goto fix; - } - - /* e_hash must be 0 in inode's ea */ - if (entry->e_hash != 0) { - pctx->num = entry->e_hash; - problem = PR_1_ATTR_HASH; - goto fix; - } - - remain -= entry->e_value_size; - offs -= EXT2_XATTR_SIZE(entry->e_value_size); - - entry = EXT2_EXT_ATTR_NEXT(entry); - } -fix: - /* - * it seems like a corruption. it's very unlikely we could repair - * EA(s) in automatic fashion -bzzz - */ - if (problem == 0 || !fix_problem(ctx, problem, pctx)) - return; - - /* simple remove all possible EA(s) */ - *((__u32 *)start) = 0UL; - e2fsck_write_inode_full(ctx, pctx->ino, (struct ext2_inode *)inode, - EXT2_INODE_SIZE(sb), "pass1"); -} - -static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - struct ext2_inode_large *inode; - __u32 *eamagic; - int min, max; - - inode = (struct ext2_inode_large *) pctx->inode; - if (EXT2_INODE_SIZE(sb) == EXT2_GOOD_OLD_INODE_SIZE) { - /* this isn't large inode. so, nothing to check */ - return; - } - - /* i_extra_isize must cover i_extra_isize + i_pad1 at least */ - min = sizeof(inode->i_extra_isize) + sizeof(inode->i_pad1); - max = EXT2_INODE_SIZE(sb) - EXT2_GOOD_OLD_INODE_SIZE; - /* - * For now we will allow i_extra_isize to be 0, but really - * implementations should never allow i_extra_isize to be 0 - */ - if (inode->i_extra_isize && - (inode->i_extra_isize < min || inode->i_extra_isize > max)) { - if (!fix_problem(ctx, PR_1_EXTRA_ISIZE, pctx)) - return; - inode->i_extra_isize = min; - e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode, - EXT2_INODE_SIZE(sb), "pass1"); - return; - } - - eamagic = (__u32 *) (((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE + - inode->i_extra_isize); - if (*eamagic == EXT2_EXT_ATTR_MAGIC) { - /* it seems inode has an extended attribute(s) in body */ - check_ea_in_inode(ctx, pctx); - } -} - -static void e2fsck_pass1(e2fsck_t ctx) -{ - int i; - __u64 max_sizes; - ext2_filsys fs = ctx->fs; - ext2_ino_t ino; - struct ext2_inode *inode; - ext2_inode_scan scan; - char *block_buf; - unsigned char frag, fsize; - struct problem_context pctx; - struct scan_callback_struct scan_struct; - struct ext2_super_block *sb = ctx->fs->super; - int imagic_fs; - int busted_fs_time = 0; - int inode_size; - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_1_PASS_HEADER, &pctx); - - if ((fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) && - !(ctx->options & E2F_OPT_NO)) { - if (ext2fs_u32_list_create(&ctx->dirs_to_hash, 50)) - ctx->dirs_to_hash = 0; - } - - /* Pass 1 */ - -#define EXT2_BPP(bits) (1ULL << ((bits) - 2)) - - for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) { - max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i); - max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i); - max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i); - max_sizes = (max_sizes * (1UL << i)) - 1; - ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes; - } -#undef EXT2_BPP - - imagic_fs = (sb->s_feature_compat & EXT2_FEATURE_COMPAT_IMAGIC_INODES); - - /* - * Allocate bitmaps structures - */ - pctx.errcode = ext2fs_allocate_inode_bitmap(fs, _("in-use inode map"), - &ctx->inode_used_map); - if (pctx.errcode) { - pctx.num = 1; - fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - pctx.errcode = ext2fs_allocate_inode_bitmap(fs, - _("directory inode map"), &ctx->inode_dir_map); - if (pctx.errcode) { - pctx.num = 2; - fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - pctx.errcode = ext2fs_allocate_inode_bitmap(fs, - _("regular file inode map"), &ctx->inode_reg_map); - if (pctx.errcode) { - pctx.num = 6; - fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - pctx.errcode = ext2fs_allocate_block_bitmap(fs, _("in-use block map"), - &ctx->block_found_map); - if (pctx.errcode) { - pctx.num = 1; - fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - pctx.errcode = ext2fs_create_icount2(fs, 0, 0, 0, - &ctx->inode_link_info); - if (pctx.errcode) { - fix_problem(ctx, PR_1_ALLOCATE_ICOUNT, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - inode_size = EXT2_INODE_SIZE(fs->super); - inode = (struct ext2_inode *) - e2fsck_allocate_memory(ctx, inode_size, "scratch inode"); - - inodes_to_process = (struct process_inode_block *) - e2fsck_allocate_memory(ctx, - (ctx->process_inode_size * - sizeof(struct process_inode_block)), - "array of inodes to process"); - process_inode_count = 0; - - pctx.errcode = ext2fs_init_dblist(fs, 0); - if (pctx.errcode) { - fix_problem(ctx, PR_1_ALLOCATE_DBCOUNT, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - /* - * If the last orphan field is set, clear it, since the pass1 - * processing will automatically find and clear the orphans. - * In the future, we may want to try using the last_orphan - * linked list ourselves, but for now, we clear it so that the - * ext3 mount code won't get confused. - */ - if (!(ctx->options & E2F_OPT_READONLY)) { - if (fs->super->s_last_orphan) { - fs->super->s_last_orphan = 0; - ext2fs_mark_super_dirty(fs); - } - } - - mark_table_blocks(ctx); - block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 3, - "block interate buffer"); - e2fsck_use_inode_shortcuts(ctx, 1); - ehandler_operation(_("doing inode scan")); - pctx.errcode = ext2fs_open_inode_scan(fs, ctx->inode_buffer_blocks, - &scan); - if (pctx.errcode) { - fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE, 0); - ctx->stashed_inode = inode; - scan_struct.ctx = ctx; - scan_struct.block_buf = block_buf; - ext2fs_set_inode_callback(scan, scan_callback, &scan_struct); - if (ctx->progress) - if ((ctx->progress)(ctx, 1, 0, ctx->fs->group_desc_count)) - return; - if ((fs->super->s_wtime < fs->super->s_inodes_count) || - (fs->super->s_mtime < fs->super->s_inodes_count)) - busted_fs_time = 1; - - while (1) { - pctx.errcode = ext2fs_get_next_inode_full(scan, &ino, - inode, inode_size); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) { - continue; - } - if (pctx.errcode) { - fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if (!ino) - break; - pctx.ino = ino; - pctx.inode = inode; - ctx->stashed_ino = ino; - if (inode->i_links_count) { - pctx.errcode = ext2fs_icount_store(ctx->inode_link_info, - ino, inode->i_links_count); - if (pctx.errcode) { - pctx.num = inode->i_links_count; - fix_problem(ctx, PR_1_ICOUNT_STORE, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - } - if (ino == EXT2_BAD_INO) { - struct process_block_struct_1 pb; - - pctx.errcode = ext2fs_copy_bitmap(ctx->block_found_map, - &pb.fs_meta_blocks); - if (pctx.errcode) { - pctx.num = 4; - fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - pb.ino = EXT2_BAD_INO; - pb.num_blocks = pb.last_block = 0; - pb.num_illegal_blocks = 0; - pb.suppress = 0; pb.clear = 0; pb.is_dir = 0; - pb.is_reg = 0; pb.fragmented = 0; pb.bbcheck = 0; - pb.inode = inode; - pb.pctx = &pctx; - pb.ctx = ctx; - pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, - block_buf, process_bad_block, &pb); - ext2fs_free_block_bitmap(pb.fs_meta_blocks); - if (pctx.errcode) { - fix_problem(ctx, PR_1_BLOCK_ITERATE, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if (pb.bbcheck) - if (!fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK_PROMPT, &pctx)) { - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino); - clear_problem_context(&pctx); - continue; - } else if (ino == EXT2_ROOT_INO) { - /* - * Make sure the root inode is a directory; if - * not, offer to clear it. It will be - * regnerated in pass #3. - */ - if (!LINUX_S_ISDIR(inode->i_mode)) { - if (fix_problem(ctx, PR_1_ROOT_NO_DIR, &pctx)) { - inode->i_dtime = time(0); - inode->i_links_count = 0; - ext2fs_icount_store(ctx->inode_link_info, - ino, 0); - e2fsck_write_inode(ctx, ino, inode, - "pass1"); - } - - } - /* - * If dtime is set, offer to clear it. mke2fs - * version 0.2b created filesystems with the - * dtime field set for the root and lost+found - * directories. We won't worry about - * /lost+found, since that can be regenerated - * easily. But we will fix the root directory - * as a special case. - */ - if (inode->i_dtime && inode->i_links_count) { - if (fix_problem(ctx, PR_1_ROOT_DTIME, &pctx)) { - inode->i_dtime = 0; - e2fsck_write_inode(ctx, ino, inode, - "pass1"); - } - } - } else if (ino == EXT2_JOURNAL_INO) { - ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino); - if (fs->super->s_journal_inum == EXT2_JOURNAL_INO) { - if (!LINUX_S_ISREG(inode->i_mode) && - fix_problem(ctx, PR_1_JOURNAL_BAD_MODE, - &pctx)) { - inode->i_mode = LINUX_S_IFREG; - e2fsck_write_inode(ctx, ino, inode, - "pass1"); - } - check_blocks(ctx, &pctx, block_buf); - continue; - } - if ((inode->i_links_count || inode->i_blocks || - inode->i_blocks || inode->i_block[0]) && - fix_problem(ctx, PR_1_JOURNAL_INODE_NOT_CLEAR, - &pctx)) { - memset(inode, 0, inode_size); - ext2fs_icount_store(ctx->inode_link_info, - ino, 0); - e2fsck_write_inode_full(ctx, ino, inode, - inode_size, "pass1"); - } - } else if (ino < EXT2_FIRST_INODE(fs->super)) { - int problem = 0; - - ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino); - if (ino == EXT2_BOOT_LOADER_INO) { - if (LINUX_S_ISDIR(inode->i_mode)) - problem = PR_1_RESERVED_BAD_MODE; - } else if (ino == EXT2_RESIZE_INO) { - if (inode->i_mode && - !LINUX_S_ISREG(inode->i_mode)) - problem = PR_1_RESERVED_BAD_MODE; - } else { - if (inode->i_mode != 0) - problem = PR_1_RESERVED_BAD_MODE; - } - if (problem) { - if (fix_problem(ctx, problem, &pctx)) { - inode->i_mode = 0; - e2fsck_write_inode(ctx, ino, inode, - "pass1"); - } - } - check_blocks(ctx, &pctx, block_buf); - continue; - } - /* - * Check for inodes who might have been part of the - * orphaned list linked list. They should have gotten - * dealt with by now, unless the list had somehow been - * corrupted. - * - * FIXME: In the future, inodes which are still in use - * (and which are therefore) pending truncation should - * be handled specially. Right now we just clear the - * dtime field, and the normal e2fsck handling of - * inodes where i_size and the inode blocks are - * inconsistent is to fix i_size, instead of releasing - * the extra blocks. This won't catch the inodes that - * was at the end of the orphan list, but it's better - * than nothing. The right answer is that there - * shouldn't be any bugs in the orphan list handling. :-) - */ - if (inode->i_dtime && !busted_fs_time && - inode->i_dtime < ctx->fs->super->s_inodes_count) { - if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) { - inode->i_dtime = inode->i_links_count ? - 0 : time(0); - e2fsck_write_inode(ctx, ino, inode, - "pass1"); - } - } - - /* - * This code assumes that deleted inodes have - * i_links_count set to 0. - */ - if (!inode->i_links_count) { - if (!inode->i_dtime && inode->i_mode) { - if (fix_problem(ctx, - PR_1_ZERO_DTIME, &pctx)) { - inode->i_dtime = time(0); - e2fsck_write_inode(ctx, ino, inode, - "pass1"); - } - } - continue; - } - /* - * n.b. 0.3c ext2fs code didn't clear i_links_count for - * deleted files. Oops. - * - * Since all new ext2 implementations get this right, - * we now assume that the case of non-zero - * i_links_count and non-zero dtime means that we - * should keep the file, not delete it. - * - */ - if (inode->i_dtime) { - if (fix_problem(ctx, PR_1_SET_DTIME, &pctx)) { - inode->i_dtime = 0; - e2fsck_write_inode(ctx, ino, inode, "pass1"); - } - } - - ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino); - switch (fs->super->s_creator_os) { - case EXT2_OS_LINUX: - frag = inode->osd2.linux2.l_i_frag; - fsize = inode->osd2.linux2.l_i_fsize; - break; - case EXT2_OS_HURD: - frag = inode->osd2.hurd2.h_i_frag; - fsize = inode->osd2.hurd2.h_i_fsize; - break; - case EXT2_OS_MASIX: - frag = inode->osd2.masix2.m_i_frag; - fsize = inode->osd2.masix2.m_i_fsize; - break; - default: - frag = fsize = 0; - } - - if (inode->i_faddr || frag || fsize || - (LINUX_S_ISDIR(inode->i_mode) && inode->i_dir_acl)) - mark_inode_bad(ctx, ino); - if (inode->i_flags & EXT2_IMAGIC_FL) { - if (imagic_fs) { - if (!ctx->inode_imagic_map) - alloc_imagic_map(ctx); - ext2fs_mark_inode_bitmap(ctx->inode_imagic_map, - ino); - } else { - if (fix_problem(ctx, PR_1_SET_IMAGIC, &pctx)) { - inode->i_flags &= ~EXT2_IMAGIC_FL; - e2fsck_write_inode(ctx, ino, - inode, "pass1"); - } - } - } - - check_inode_extra_space(ctx, &pctx); - - if (LINUX_S_ISDIR(inode->i_mode)) { - ext2fs_mark_inode_bitmap(ctx->inode_dir_map, ino); - e2fsck_add_dir_info(ctx, ino, 0); - ctx->fs_directory_count++; - } else if (LINUX_S_ISREG (inode->i_mode)) { - ext2fs_mark_inode_bitmap(ctx->inode_reg_map, ino); - ctx->fs_regular_count++; - } else if (LINUX_S_ISCHR (inode->i_mode) && - e2fsck_pass1_check_device_inode(fs, inode)) { - check_immutable(ctx, &pctx); - check_size(ctx, &pctx); - ctx->fs_chardev_count++; - } else if (LINUX_S_ISBLK (inode->i_mode) && - e2fsck_pass1_check_device_inode(fs, inode)) { - check_immutable(ctx, &pctx); - check_size(ctx, &pctx); - ctx->fs_blockdev_count++; - } else if (LINUX_S_ISLNK (inode->i_mode) && - e2fsck_pass1_check_symlink(fs, inode, block_buf)) { - check_immutable(ctx, &pctx); - ctx->fs_symlinks_count++; - if (ext2fs_inode_data_blocks(fs, inode) == 0) { - ctx->fs_fast_symlinks_count++; - check_blocks(ctx, &pctx, block_buf); - continue; - } - } - else if (LINUX_S_ISFIFO (inode->i_mode) && - e2fsck_pass1_check_device_inode(fs, inode)) { - check_immutable(ctx, &pctx); - check_size(ctx, &pctx); - ctx->fs_fifo_count++; - } else if ((LINUX_S_ISSOCK (inode->i_mode)) && - e2fsck_pass1_check_device_inode(fs, inode)) { - check_immutable(ctx, &pctx); - check_size(ctx, &pctx); - ctx->fs_sockets_count++; - } else - mark_inode_bad(ctx, ino); - if (inode->i_block[EXT2_IND_BLOCK]) - ctx->fs_ind_count++; - if (inode->i_block[EXT2_DIND_BLOCK]) - ctx->fs_dind_count++; - if (inode->i_block[EXT2_TIND_BLOCK]) - ctx->fs_tind_count++; - if (inode->i_block[EXT2_IND_BLOCK] || - inode->i_block[EXT2_DIND_BLOCK] || - inode->i_block[EXT2_TIND_BLOCK] || - inode->i_file_acl) { - inodes_to_process[process_inode_count].ino = ino; - inodes_to_process[process_inode_count].inode = *inode; - process_inode_count++; - } else - check_blocks(ctx, &pctx, block_buf); - - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - - if (process_inode_count >= ctx->process_inode_size) { - process_inodes(ctx, block_buf); - - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - } - } - process_inodes(ctx, block_buf); - ext2fs_close_inode_scan(scan); - ehandler_operation(0); - - /* - * If any extended attribute blocks' reference counts need to - * be adjusted, either up (ctx->refcount_extra), or down - * (ctx->refcount), then fix them. - */ - if (ctx->refcount) { - adjust_extattr_refcount(ctx, ctx->refcount, block_buf, -1); - ea_refcount_free(ctx->refcount); - ctx->refcount = 0; - } - if (ctx->refcount_extra) { - adjust_extattr_refcount(ctx, ctx->refcount_extra, - block_buf, +1); - ea_refcount_free(ctx->refcount_extra); - ctx->refcount_extra = 0; - } - - if (ctx->invalid_bitmaps) - handle_fs_bad_blocks(ctx); - - /* We don't need the block_ea_map any more */ - ext2fs_free_block_bitmap(ctx->block_ea_map); - ctx->block_ea_map = 0; - - if (ctx->flags & E2F_FLAG_RESIZE_INODE) { - ext2fs_block_bitmap save_bmap; - - save_bmap = fs->block_map; - fs->block_map = ctx->block_found_map; - clear_problem_context(&pctx); - pctx.errcode = ext2fs_create_resize_inode(fs); - if (pctx.errcode) { - fix_problem(ctx, PR_1_RESIZE_INODE_CREATE, &pctx); - /* Should never get here */ - ctx->flags |= E2F_FLAG_ABORT; - return; - } - e2fsck_read_inode(ctx, EXT2_RESIZE_INO, inode, - "recreate inode"); - inode->i_mtime = time(0); - e2fsck_write_inode(ctx, EXT2_RESIZE_INO, inode, - "recreate inode"); - fs->block_map = save_bmap; - ctx->flags &= ~E2F_FLAG_RESIZE_INODE; - } - - if (ctx->flags & E2F_FLAG_RESTART) { - /* - * Only the master copy of the superblock and block - * group descriptors are going to be written during a - * restart, so set the superblock to be used to be the - * master superblock. - */ - ctx->use_superblock = 0; - unwind_pass1(); - goto endit; - } - - if (ctx->block_dup_map) { - if (ctx->options & E2F_OPT_PREEN) { - clear_problem_context(&pctx); - fix_problem(ctx, PR_1_DUP_BLOCKS_PREENSTOP, &pctx); - } - e2fsck_pass1_dupblocks(ctx, block_buf); - } - ext2fs_free_mem(&inodes_to_process); -endit: - e2fsck_use_inode_shortcuts(ctx, 0); - - ext2fs_free_mem(&block_buf); - ext2fs_free_mem(&inode); - -} - -/* - * When the inode_scan routines call this callback at the end of the - * glock group, call process_inodes. - */ -static errcode_t scan_callback(ext2_filsys fs, - dgrp_t group, void * priv_data) -{ - struct scan_callback_struct *scan_struct; - e2fsck_t ctx; - - scan_struct = (struct scan_callback_struct *) priv_data; - ctx = scan_struct->ctx; - - process_inodes((e2fsck_t) fs->priv_data, scan_struct->block_buf); - - if (ctx->progress) - if ((ctx->progress)(ctx, 1, group+1, - ctx->fs->group_desc_count)) - return EXT2_ET_CANCEL_REQUESTED; - - return 0; -} - -/* - * Process the inodes in the "inodes to process" list. - */ -static void process_inodes(e2fsck_t ctx, char *block_buf) -{ - int i; - struct ext2_inode *old_stashed_inode; - ext2_ino_t old_stashed_ino; - const char *old_operation; - char buf[80]; - struct problem_context pctx; - - /* begin process_inodes */ - if (process_inode_count == 0) - return; - old_operation = ehandler_operation(0); - old_stashed_inode = ctx->stashed_inode; - old_stashed_ino = ctx->stashed_ino; - qsort(inodes_to_process, process_inode_count, - sizeof(struct process_inode_block), process_inode_cmp); - clear_problem_context(&pctx); - for (i=0; i < process_inode_count; i++) { - pctx.inode = ctx->stashed_inode = &inodes_to_process[i].inode; - pctx.ino = ctx->stashed_ino = inodes_to_process[i].ino; - sprintf(buf, _("reading indirect blocks of inode %u"), - pctx.ino); - ehandler_operation(buf); - check_blocks(ctx, &pctx, block_buf); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - break; - } - ctx->stashed_inode = old_stashed_inode; - ctx->stashed_ino = old_stashed_ino; - process_inode_count = 0; - /* end process inodes */ - - ehandler_operation(old_operation); -} - -static int process_inode_cmp(const void *a, const void *b) -{ - const struct process_inode_block *ib_a = - (const struct process_inode_block *) a; - const struct process_inode_block *ib_b = - (const struct process_inode_block *) b; - int ret; - - ret = (ib_a->inode.i_block[EXT2_IND_BLOCK] - - ib_b->inode.i_block[EXT2_IND_BLOCK]); - if (ret == 0) - ret = ib_a->inode.i_file_acl - ib_b->inode.i_file_acl; - return ret; -} - -/* - * Mark an inode as being bad in some what - */ -static void mark_inode_bad(e2fsck_t ctx, ino_t ino) -{ - struct problem_context pctx; - - if (!ctx->inode_bad_map) { - clear_problem_context(&pctx); - - pctx.errcode = ext2fs_allocate_inode_bitmap(ctx->fs, - _("bad inode map"), &ctx->inode_bad_map); - if (pctx.errcode) { - pctx.num = 3; - fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx); - /* Should never get here */ - ctx->flags |= E2F_FLAG_ABORT; - return; - } - } - ext2fs_mark_inode_bitmap(ctx->inode_bad_map, ino); -} - - -/* - * This procedure will allocate the inode imagic table - */ -static void alloc_imagic_map(e2fsck_t ctx) -{ - struct problem_context pctx; - - clear_problem_context(&pctx); - pctx.errcode = ext2fs_allocate_inode_bitmap(ctx->fs, - _("imagic inode map"), - &ctx->inode_imagic_map); - if (pctx.errcode) { - pctx.num = 5; - fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx); - /* Should never get here */ - ctx->flags |= E2F_FLAG_ABORT; - return; - } -} - -/* - * Marks a block as in use, setting the dup_map if it's been set - * already. Called by process_block and process_bad_block. - * - * WARNING: Assumes checks have already been done to make sure block - * is valid. This is true in both process_block and process_bad_block. - */ -static void mark_block_used(e2fsck_t ctx, blk_t block) -{ - struct problem_context pctx; - - clear_problem_context(&pctx); - - if (ext2fs_fast_test_block_bitmap(ctx->block_found_map, block)) { - if (!ctx->block_dup_map) { - pctx.errcode = ext2fs_allocate_block_bitmap(ctx->fs, - _("multiply claimed block map"), - &ctx->block_dup_map); - if (pctx.errcode) { - pctx.num = 3; - fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, - &pctx); - /* Should never get here */ - ctx->flags |= E2F_FLAG_ABORT; - return; - } - } - ext2fs_fast_mark_block_bitmap(ctx->block_dup_map, block); - } else { - ext2fs_fast_mark_block_bitmap(ctx->block_found_map, block); - } -} - -/* - * Adjust the extended attribute block's reference counts at the end - * of pass 1, either by subtracting out references for EA blocks that - * are still referenced in ctx->refcount, or by adding references for - * EA blocks that had extra references as accounted for in - * ctx->refcount_extra. - */ -static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount, - char *block_buf, int adjust_sign) -{ - struct ext2_ext_attr_header *header; - struct problem_context pctx; - ext2_filsys fs = ctx->fs; - blk_t blk; - __u32 should_be; - int count; - - clear_problem_context(&pctx); - - ea_refcount_intr_begin(refcount); - while (1) { - if ((blk = ea_refcount_intr_next(refcount, &count)) == 0) - break; - pctx.blk = blk; - pctx.errcode = ext2fs_read_ext_attr(fs, blk, block_buf); - if (pctx.errcode) { - fix_problem(ctx, PR_1_EXTATTR_READ_ABORT, &pctx); - return; - } - header = (struct ext2_ext_attr_header *) block_buf; - pctx.blkcount = header->h_refcount; - should_be = header->h_refcount + adjust_sign * count; - pctx.num = should_be; - if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) { - header->h_refcount = should_be; - pctx.errcode = ext2fs_write_ext_attr(fs, blk, - block_buf); - if (pctx.errcode) { - fix_problem(ctx, PR_1_EXTATTR_WRITE, &pctx); - continue; - } - } - } -} - -/* - * Handle processing the extended attribute blocks - */ -static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx, - char *block_buf) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t ino = pctx->ino; - struct ext2_inode *inode = pctx->inode; - blk_t blk; - char * end; - struct ext2_ext_attr_header *header; - struct ext2_ext_attr_entry *entry; - int count; - region_t region; - - blk = inode->i_file_acl; - if (blk == 0) - return 0; - - /* - * If the Extended attribute flag isn't set, then a non-zero - * file acl means that the inode is corrupted. - * - * Or if the extended attribute block is an invalid block, - * then the inode is also corrupted. - */ - if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) || - (blk < fs->super->s_first_data_block) || - (blk >= fs->super->s_blocks_count)) { - mark_inode_bad(ctx, ino); - return 0; - } - - /* If ea bitmap hasn't been allocated, create it */ - if (!ctx->block_ea_map) { - pctx->errcode = ext2fs_allocate_block_bitmap(fs, - _("ext attr block map"), - &ctx->block_ea_map); - if (pctx->errcode) { - pctx->num = 2; - fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, pctx); - ctx->flags |= E2F_FLAG_ABORT; - return 0; - } - } - - /* Create the EA refcount structure if necessary */ - if (!ctx->refcount) { - pctx->errcode = ea_refcount_create(0, &ctx->refcount); - if (pctx->errcode) { - pctx->num = 1; - fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx); - ctx->flags |= E2F_FLAG_ABORT; - return 0; - } - } - - /* Have we seen this EA block before? */ - if (ext2fs_fast_test_block_bitmap(ctx->block_ea_map, blk)) { - if (ea_refcount_decrement(ctx->refcount, blk, 0) == 0) - return 1; - /* Ooops, this EA was referenced more than it stated */ - if (!ctx->refcount_extra) { - pctx->errcode = ea_refcount_create(0, - &ctx->refcount_extra); - if (pctx->errcode) { - pctx->num = 2; - fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx); - ctx->flags |= E2F_FLAG_ABORT; - return 0; - } - } - ea_refcount_increment(ctx->refcount_extra, blk, 0); - return 1; - } - - /* - * OK, we haven't seen this EA block yet. So we need to - * validate it - */ - pctx->blk = blk; - pctx->errcode = ext2fs_read_ext_attr(fs, blk, block_buf); - if (pctx->errcode && fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx)) - goto clear_extattr; - header = (struct ext2_ext_attr_header *) block_buf; - pctx->blk = inode->i_file_acl; - if (((ctx->ext_attr_ver == 1) && - (header->h_magic != EXT2_EXT_ATTR_MAGIC_v1)) || - ((ctx->ext_attr_ver == 2) && - (header->h_magic != EXT2_EXT_ATTR_MAGIC))) { - if (fix_problem(ctx, PR_1_BAD_EA_BLOCK, pctx)) - goto clear_extattr; - } - - if (header->h_blocks != 1) { - if (fix_problem(ctx, PR_1_EA_MULTI_BLOCK, pctx)) - goto clear_extattr; - } - - region = region_create(0, fs->blocksize); - if (!region) { - fix_problem(ctx, PR_1_EA_ALLOC_REGION, pctx); - ctx->flags |= E2F_FLAG_ABORT; - return 0; - } - if (region_allocate(region, 0, sizeof(struct ext2_ext_attr_header))) { - if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx)) - goto clear_extattr; - } - - entry = (struct ext2_ext_attr_entry *)(header+1); - end = block_buf + fs->blocksize; - while ((char *)entry < end && *(__u32 *)entry) { - if (region_allocate(region, (char *)entry - (char *)header, - EXT2_EXT_ATTR_LEN(entry->e_name_len))) { - if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx)) - goto clear_extattr; - } - if ((ctx->ext_attr_ver == 1 && - (entry->e_name_len == 0 || entry->e_name_index != 0)) || - (ctx->ext_attr_ver == 2 && - entry->e_name_index == 0)) { - if (fix_problem(ctx, PR_1_EA_BAD_NAME, pctx)) - goto clear_extattr; - } - if (entry->e_value_block != 0) { - if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx)) - goto clear_extattr; - } - if (entry->e_value_size && - region_allocate(region, entry->e_value_offs, - EXT2_EXT_ATTR_SIZE(entry->e_value_size))) { - if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx)) - goto clear_extattr; - } - entry = EXT2_EXT_ATTR_NEXT(entry); - } - if (region_allocate(region, (char *)entry - (char *)header, 4)) { - if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx)) - goto clear_extattr; - } - region_free(region); - - count = header->h_refcount - 1; - if (count) - ea_refcount_store(ctx->refcount, blk, count); - mark_block_used(ctx, blk); - ext2fs_fast_mark_block_bitmap(ctx->block_ea_map, blk); - - return 1; - -clear_extattr: - inode->i_file_acl = 0; - e2fsck_write_inode(ctx, ino, inode, "check_ext_attr"); - return 0; -} - -/* Returns 1 if bad htree, 0 if OK */ -static int handle_htree(e2fsck_t ctx, struct problem_context *pctx, - ext2_ino_t ino FSCK_ATTR((unused)), - struct ext2_inode *inode, - char *block_buf) -{ - struct ext2_dx_root_info *root; - ext2_filsys fs = ctx->fs; - errcode_t retval; - blk_t blk; - - if ((!LINUX_S_ISDIR(inode->i_mode) && - fix_problem(ctx, PR_1_HTREE_NODIR, pctx)) || - (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) && - fix_problem(ctx, PR_1_HTREE_SET, pctx))) - return 1; - - blk = inode->i_block[0]; - if (((blk == 0) || - (blk < fs->super->s_first_data_block) || - (blk >= fs->super->s_blocks_count)) && - fix_problem(ctx, PR_1_HTREE_BADROOT, pctx)) - return 1; - - retval = io_channel_read_blk(fs->io, blk, 1, block_buf); - if (retval && fix_problem(ctx, PR_1_HTREE_BADROOT, pctx)) - return 1; - - /* XXX should check that beginning matches a directory */ - root = (struct ext2_dx_root_info *) (block_buf + 24); - - if ((root->reserved_zero || root->info_length < 8) && - fix_problem(ctx, PR_1_HTREE_BADROOT, pctx)) - return 1; - - pctx->num = root->hash_version; - if ((root->hash_version != EXT2_HASH_LEGACY) && - (root->hash_version != EXT2_HASH_HALF_MD4) && - (root->hash_version != EXT2_HASH_TEA) && - fix_problem(ctx, PR_1_HTREE_HASHV, pctx)) - return 1; - - if ((root->unused_flags & EXT2_HASH_FLAG_INCOMPAT) && - fix_problem(ctx, PR_1_HTREE_INCOMPAT, pctx)) - return 1; - - pctx->num = root->indirect_levels; - if ((root->indirect_levels > 1) && - fix_problem(ctx, PR_1_HTREE_DEPTH, pctx)) - return 1; - - return 0; -} - -/* - * This subroutine is called on each inode to account for all of the - * blocks used by that inode. - */ -static void check_blocks(e2fsck_t ctx, struct problem_context *pctx, - char *block_buf) -{ - ext2_filsys fs = ctx->fs; - struct process_block_struct_1 pb; - ext2_ino_t ino = pctx->ino; - struct ext2_inode *inode = pctx->inode; - int bad_size = 0; - int dirty_inode = 0; - __u64 size; - - pb.ino = ino; - pb.num_blocks = 0; - pb.last_block = -1; - pb.num_illegal_blocks = 0; - pb.suppress = 0; pb.clear = 0; - pb.fragmented = 0; - pb.compressed = 0; - pb.previous_block = 0; - pb.is_dir = LINUX_S_ISDIR(inode->i_mode); - pb.is_reg = LINUX_S_ISREG(inode->i_mode); - pb.max_blocks = 1 << (31 - fs->super->s_log_block_size); - pb.inode = inode; - pb.pctx = pctx; - pb.ctx = ctx; - pctx->ino = ino; - pctx->errcode = 0; - - if (inode->i_flags & EXT2_COMPRBLK_FL) { - if (fs->super->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_COMPRESSION) - pb.compressed = 1; - else { - if (fix_problem(ctx, PR_1_COMPR_SET, pctx)) { - inode->i_flags &= ~EXT2_COMPRBLK_FL; - dirty_inode++; - } - } - } - - if (inode->i_file_acl && check_ext_attr(ctx, pctx, block_buf)) - pb.num_blocks++; - - if (ext2fs_inode_has_valid_blocks(inode)) - pctx->errcode = ext2fs_block_iterate2(fs, ino, - pb.is_dir ? BLOCK_FLAG_HOLE : 0, - block_buf, process_block, &pb); - end_problem_latch(ctx, PR_LATCH_BLOCK); - end_problem_latch(ctx, PR_LATCH_TOOBIG); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - goto out; - if (pctx->errcode) - fix_problem(ctx, PR_1_BLOCK_ITERATE, pctx); - - if (pb.fragmented && pb.num_blocks < fs->super->s_blocks_per_group) - ctx->fs_fragmented++; - - if (pb.clear) { - inode->i_links_count = 0; - ext2fs_icount_store(ctx->inode_link_info, ino, 0); - inode->i_dtime = time(0); - dirty_inode++; - ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino); - ext2fs_unmark_inode_bitmap(ctx->inode_reg_map, ino); - ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino); - /* - * The inode was probably partially accounted for - * before processing was aborted, so we need to - * restart the pass 1 scan. - */ - ctx->flags |= E2F_FLAG_RESTART; - goto out; - } - - if (inode->i_flags & EXT2_INDEX_FL) { - if (handle_htree(ctx, pctx, ino, inode, block_buf)) { - inode->i_flags &= ~EXT2_INDEX_FL; - dirty_inode++; - } else { -#ifdef ENABLE_HTREE - e2fsck_add_dx_dir(ctx, ino, pb.last_block+1); -#endif - } - } - if (ctx->dirs_to_hash && pb.is_dir && - !(inode->i_flags & EXT2_INDEX_FL) && - ((inode->i_size / fs->blocksize) >= 3)) - ext2fs_u32_list_add(ctx->dirs_to_hash, ino); - - if (!pb.num_blocks && pb.is_dir) { - if (fix_problem(ctx, PR_1_ZERO_LENGTH_DIR, pctx)) { - inode->i_links_count = 0; - ext2fs_icount_store(ctx->inode_link_info, ino, 0); - inode->i_dtime = time(0); - dirty_inode++; - ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino); - ext2fs_unmark_inode_bitmap(ctx->inode_reg_map, ino); - ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino); - ctx->fs_directory_count--; - goto out; - } - } - - pb.num_blocks *= (fs->blocksize / 512); - - if (pb.is_dir) { - int nblock = inode->i_size >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (nblock > (pb.last_block + 1)) - bad_size = 1; - else if (nblock < (pb.last_block + 1)) { - if (((pb.last_block + 1) - nblock) > - fs->super->s_prealloc_dir_blocks) - bad_size = 2; - } - } else { - size = EXT2_I_SIZE(inode); - if ((pb.last_block >= 0) && - (size < (__u64) pb.last_block * fs->blocksize)) - bad_size = 3; - else if (size > ext2_max_sizes[fs->super->s_log_block_size]) - bad_size = 4; - } - /* i_size for symlinks is checked elsewhere */ - if (bad_size && !LINUX_S_ISLNK(inode->i_mode)) { - pctx->num = (pb.last_block+1) * fs->blocksize; - if (fix_problem(ctx, PR_1_BAD_I_SIZE, pctx)) { - inode->i_size = pctx->num; - if (!LINUX_S_ISDIR(inode->i_mode)) - inode->i_size_high = pctx->num >> 32; - dirty_inode++; - } - pctx->num = 0; - } - if (LINUX_S_ISREG(inode->i_mode) && - (inode->i_size_high || inode->i_size & 0x80000000UL)) - ctx->large_files++; - if (pb.num_blocks != inode->i_blocks) { - pctx->num = pb.num_blocks; - if (fix_problem(ctx, PR_1_BAD_I_BLOCKS, pctx)) { - inode->i_blocks = pb.num_blocks; - dirty_inode++; - } - pctx->num = 0; - } -out: - if (dirty_inode) - e2fsck_write_inode(ctx, ino, inode, "check_blocks"); -} - - -/* - * This is a helper function for check_blocks(). - */ -static int process_block(ext2_filsys fs, - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct process_block_struct_1 *p; - struct problem_context *pctx; - blk_t blk = *block_nr; - int ret_code = 0; - int problem = 0; - e2fsck_t ctx; - - p = (struct process_block_struct_1 *) priv_data; - pctx = p->pctx; - ctx = p->ctx; - - if (p->compressed && (blk == EXT2FS_COMPRESSED_BLKADDR)) { - /* todo: Check that the comprblk_fl is high, that the - blkaddr pattern looks right (all non-holes up to - first EXT2FS_COMPRESSED_BLKADDR, then all - EXT2FS_COMPRESSED_BLKADDR up to end of cluster), - that the feature_incompat bit is high, and that the - inode is a regular file. If we're doing a "full - check" (a concept introduced to e2fsck by e2compr, - meaning that we look at data blocks as well as - metadata) then call some library routine that - checks the compressed data. I'll have to think - about this, because one particularly important - problem to be able to fix is to recalculate the - cluster size if necessary. I think that perhaps - we'd better do most/all e2compr-specific checks - separately, after the non-e2compr checks. If not - doing a full check, it may be useful to test that - the personality is linux; e.g. if it isn't then - perhaps this really is just an illegal block. */ - return 0; - } - - if (blk == 0) { - if (p->is_dir == 0) { - /* - * Should never happen, since only directories - * get called with BLOCK_FLAG_HOLE - */ -#ifdef DEBUG_E2FSCK - printf("process_block() called with blk == 0, " - "blockcnt=%d, inode %lu???\n", - blockcnt, p->ino); -#endif - return 0; - } - if (blockcnt < 0) - return 0; - if (blockcnt * fs->blocksize < p->inode->i_size) { - goto mark_dir; - } - return 0; - } - - /* - * Simplistic fragmentation check. We merely require that the - * file be contiguous. (Which can never be true for really - * big files that are greater than a block group.) - */ - if (!HOLE_BLKADDR(p->previous_block)) { - if (p->previous_block+1 != blk) - p->fragmented = 1; - } - p->previous_block = blk; - - if (p->is_dir && blockcnt > (1 << (21 - fs->super->s_log_block_size))) - problem = PR_1_TOOBIG_DIR; - if (p->is_reg && p->num_blocks+1 >= p->max_blocks) - problem = PR_1_TOOBIG_REG; - if (!p->is_dir && !p->is_reg && blockcnt > 0) - problem = PR_1_TOOBIG_SYMLINK; - - if (blk < fs->super->s_first_data_block || - blk >= fs->super->s_blocks_count) - problem = PR_1_ILLEGAL_BLOCK_NUM; - - if (problem) { - p->num_illegal_blocks++; - if (!p->suppress && (p->num_illegal_blocks % 12) == 0) { - if (fix_problem(ctx, PR_1_TOO_MANY_BAD_BLOCKS, pctx)) { - p->clear = 1; - return BLOCK_ABORT; - } - if (fix_problem(ctx, PR_1_SUPPRESS_MESSAGES, pctx)) { - p->suppress = 1; - set_latch_flags(PR_LATCH_BLOCK, - PRL_SUPPRESS, 0); - } - } - pctx->blk = blk; - pctx->blkcount = blockcnt; - if (fix_problem(ctx, problem, pctx)) { - blk = *block_nr = 0; - ret_code = BLOCK_CHANGED; - goto mark_dir; - } else - return 0; - } - - if (p->ino == EXT2_RESIZE_INO) { - /* - * The resize inode has already be sanity checked - * during pass #0 (the superblock checks). All we - * have to do is mark the double indirect block as - * being in use; all of the other blocks are handled - * by mark_table_blocks()). - */ - if (blockcnt == BLOCK_COUNT_DIND) - mark_block_used(ctx, blk); - } else - mark_block_used(ctx, blk); - p->num_blocks++; - if (blockcnt >= 0) - p->last_block = blockcnt; -mark_dir: - if (p->is_dir && (blockcnt >= 0)) { - pctx->errcode = ext2fs_add_dir_block(fs->dblist, p->ino, - blk, blockcnt); - if (pctx->errcode) { - pctx->blk = blk; - pctx->num = blockcnt; - fix_problem(ctx, PR_1_ADD_DBLOCK, pctx); - /* Should never get here */ - ctx->flags |= E2F_FLAG_ABORT; - return BLOCK_ABORT; - } - } - return ret_code; -} - -static int process_bad_block(ext2_filsys fs FSCK_ATTR((unused)), - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data EXT2FS_ATTR((unused))) -{ - /* - * Note: This function processes blocks for the bad blocks - * inode, which is never compressed. So we don't use HOLE_BLKADDR(). - */ - - printf("Unrecoverable Error: Found %"PRIi64" bad blocks starting at block number: %u\n", blockcnt, *block_nr); - return BLOCK_ERROR; -} - -/* - * This routine gets called at the end of pass 1 if bad blocks are - * detected in the superblock, group descriptors, inode_bitmaps, or - * block bitmaps. At this point, all of the blocks have been mapped - * out, so we can try to allocate new block(s) to replace the bad - * blocks. - */ -static void handle_fs_bad_blocks(e2fsck_t ctx) -{ - printf("Bad blocks detected on your filesystem\n" - "You should get your data off as the device will soon die\n"); -} - -/* - * This routine marks all blocks which are used by the superblock, - * group descriptors, inode bitmaps, and block bitmaps. - */ -static void mark_table_blocks(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - blk_t block, b; - dgrp_t i; - int j; - struct problem_context pctx; - - clear_problem_context(&pctx); - - block = fs->super->s_first_data_block; - for (i = 0; i < fs->group_desc_count; i++) { - pctx.group = i; - - ext2fs_reserve_super_and_bgd(fs, i, ctx->block_found_map); - - /* - * Mark the blocks used for the inode table - */ - if (fs->group_desc[i].bg_inode_table) { - for (j = 0, b = fs->group_desc[i].bg_inode_table; - j < fs->inode_blocks_per_group; - j++, b++) { - if (ext2fs_test_block_bitmap(ctx->block_found_map, - b)) { - pctx.blk = b; - if (fix_problem(ctx, - PR_1_ITABLE_CONFLICT, &pctx)) { - ctx->invalid_inode_table_flag[i]++; - ctx->invalid_bitmaps++; - } - } else { - ext2fs_mark_block_bitmap(ctx->block_found_map, - b); - } - } - } - - /* - * Mark block used for the block bitmap - */ - if (fs->group_desc[i].bg_block_bitmap) { - if (ext2fs_test_block_bitmap(ctx->block_found_map, - fs->group_desc[i].bg_block_bitmap)) { - pctx.blk = fs->group_desc[i].bg_block_bitmap; - if (fix_problem(ctx, PR_1_BB_CONFLICT, &pctx)) { - ctx->invalid_block_bitmap_flag[i]++; - ctx->invalid_bitmaps++; - } - } else { - ext2fs_mark_block_bitmap(ctx->block_found_map, - fs->group_desc[i].bg_block_bitmap); - } - - } - /* - * Mark block used for the inode bitmap - */ - if (fs->group_desc[i].bg_inode_bitmap) { - if (ext2fs_test_block_bitmap(ctx->block_found_map, - fs->group_desc[i].bg_inode_bitmap)) { - pctx.blk = fs->group_desc[i].bg_inode_bitmap; - if (fix_problem(ctx, PR_1_IB_CONFLICT, &pctx)) { - ctx->invalid_inode_bitmap_flag[i]++; - ctx->invalid_bitmaps++; - } - } else { - ext2fs_mark_block_bitmap(ctx->block_found_map, - fs->group_desc[i].bg_inode_bitmap); - } - } - block += fs->super->s_blocks_per_group; - } -} - -/* - * Thes subroutines short circuits ext2fs_get_blocks and - * ext2fs_check_directory; we use them since we already have the inode - * structure, so there's no point in letting the ext2fs library read - * the inode again. - */ -static errcode_t pass1_get_blocks(ext2_filsys fs, ext2_ino_t ino, - blk_t *blocks) -{ - e2fsck_t ctx = (e2fsck_t) fs->priv_data; - int i; - - if ((ino != ctx->stashed_ino) || !ctx->stashed_inode) - return EXT2_ET_CALLBACK_NOTHANDLED; - - for (i=0; i < EXT2_N_BLOCKS; i++) - blocks[i] = ctx->stashed_inode->i_block[i]; - return 0; -} - -static errcode_t pass1_read_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - e2fsck_t ctx = (e2fsck_t) fs->priv_data; - - if ((ino != ctx->stashed_ino) || !ctx->stashed_inode) - return EXT2_ET_CALLBACK_NOTHANDLED; - *inode = *ctx->stashed_inode; - return 0; -} - -static errcode_t pass1_write_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - e2fsck_t ctx = (e2fsck_t) fs->priv_data; - - if ((ino == ctx->stashed_ino) && ctx->stashed_inode) - *ctx->stashed_inode = *inode; - return EXT2_ET_CALLBACK_NOTHANDLED; -} - -static errcode_t pass1_check_directory(ext2_filsys fs, ext2_ino_t ino) -{ - e2fsck_t ctx = (e2fsck_t) fs->priv_data; - - if ((ino != ctx->stashed_ino) || !ctx->stashed_inode) - return EXT2_ET_CALLBACK_NOTHANDLED; - - if (!LINUX_S_ISDIR(ctx->stashed_inode->i_mode)) - return EXT2_ET_NO_DIRECTORY; - return 0; -} - -void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool) -{ - ext2_filsys fs = ctx->fs; - - if (bool) { - fs->get_blocks = pass1_get_blocks; - fs->check_directory = pass1_check_directory; - fs->read_inode = pass1_read_inode; - fs->write_inode = pass1_write_inode; - ctx->stashed_ino = 0; - } else { - fs->get_blocks = 0; - fs->check_directory = 0; - fs->read_inode = 0; - fs->write_inode = 0; - } -} - -/* - * pass1b.c --- Pass #1b of e2fsck - * - * This file contains pass1B, pass1C, and pass1D of e2fsck. They are - * only invoked if pass 1 discovered blocks which are in use by more - * than one inode. - * - * Pass1B scans the data blocks of all the inodes again, generating a - * complete list of duplicate blocks and which inodes have claimed - * them. - * - * Pass1C does a tree-traversal of the filesystem, to determine the - * parent directories of these inodes. This step is necessary so that - * e2fsck can print out the pathnames of affected inodes. - * - * Pass1D is a reconciliation pass. For each inode with duplicate - * blocks, the user is prompted if s/he would like to clone the file - * (so that the file gets a fresh copy of the duplicated blocks) or - * simply to delete the file. - * - */ - - -/* Needed for architectures where sizeof(int) != sizeof(void *) */ -#define INT_TO_VOIDPTR(val) ((void *)(intptr_t)(val)) -#define VOIDPTR_TO_INT(ptr) ((int)(intptr_t)(ptr)) - -/* Define an extension to the ext2 library's block count information */ -#define BLOCK_COUNT_EXTATTR (-5) - -struct block_el { - blk_t block; - struct block_el *next; -}; - -struct inode_el { - ext2_ino_t inode; - struct inode_el *next; -}; - -struct dup_block { - int num_bad; - struct inode_el *inode_list; -}; - -/* - * This structure stores information about a particular inode which - * is sharing blocks with other inodes. This information is collected - * to display to the user, so that the user knows what files he or she - * is dealing with, when trying to decide how to resolve the conflict - * of multiply-claimed blocks. - */ -struct dup_inode { - ext2_ino_t dir; - int num_dupblocks; - struct ext2_inode inode; - struct block_el *block_list; -}; - -static int process_pass1b_block(ext2_filsys fs, blk_t *blocknr, - e2_blkcnt_t blockcnt, blk_t ref_blk, - int ref_offset, void *priv_data); -static void delete_file(e2fsck_t ctx, ext2_ino_t ino, - struct dup_inode *dp, char *block_buf); -static int clone_file(e2fsck_t ctx, ext2_ino_t ino, - struct dup_inode *dp, char* block_buf); -static int check_if_fs_block(e2fsck_t ctx, blk_t test_blk); - -static void pass1b(e2fsck_t ctx, char *block_buf); -static void pass1c(e2fsck_t ctx, char *block_buf); -static void pass1d(e2fsck_t ctx, char *block_buf); - -static int dup_inode_count = 0; - -static dict_t blk_dict, ino_dict; - -static ext2fs_inode_bitmap inode_dup_map; - -static int dict_int_cmp(const void *a, const void *b) -{ - intptr_t ia, ib; - - ia = (intptr_t)a; - ib = (intptr_t)b; - - return (ia-ib); -} - -/* - * Add a duplicate block record - */ -static void add_dupe(e2fsck_t ctx, ext2_ino_t ino, blk_t blk, - struct ext2_inode *inode) -{ - dnode_t *n; - struct dup_block *db; - struct dup_inode *di; - struct block_el *blk_el; - struct inode_el *ino_el; - - n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(blk)); - if (n) - db = (struct dup_block *) dnode_get(n); - else { - db = (struct dup_block *) e2fsck_allocate_memory(ctx, - sizeof(struct dup_block), "duplicate block header"); - db->num_bad = 0; - db->inode_list = 0; - dict_alloc_insert(&blk_dict, INT_TO_VOIDPTR(blk), db); - } - ino_el = (struct inode_el *) e2fsck_allocate_memory(ctx, - sizeof(struct inode_el), "inode element"); - ino_el->inode = ino; - ino_el->next = db->inode_list; - db->inode_list = ino_el; - db->num_bad++; - - n = dict_lookup(&ino_dict, INT_TO_VOIDPTR(ino)); - if (n) - di = (struct dup_inode *) dnode_get(n); - else { - di = (struct dup_inode *) e2fsck_allocate_memory(ctx, - sizeof(struct dup_inode), "duplicate inode header"); - di->dir = (ino == EXT2_ROOT_INO) ? EXT2_ROOT_INO : 0 ; - di->num_dupblocks = 0; - di->block_list = 0; - di->inode = *inode; - dict_alloc_insert(&ino_dict, INT_TO_VOIDPTR(ino), di); - } - blk_el = (struct block_el *) e2fsck_allocate_memory(ctx, - sizeof(struct block_el), "block element"); - blk_el->block = blk; - blk_el->next = di->block_list; - di->block_list = blk_el; - di->num_dupblocks++; -} - -/* - * Free a duplicate inode record - */ -static void inode_dnode_free(dnode_t *node) -{ - struct dup_inode *di; - struct block_el *p, *next; - - di = (struct dup_inode *) dnode_get(node); - for (p = di->block_list; p; p = next) { - next = p->next; - free(p); - } - free(node); -} - -/* - * Free a duplicate block record - */ -static void block_dnode_free(dnode_t *node) -{ - struct dup_block *db; - struct inode_el *p, *next; - - db = (struct dup_block *) dnode_get(node); - for (p = db->inode_list; p; p = next) { - next = p->next; - free(p); - } - free(node); -} - - -/* - * Main procedure for handling duplicate blocks - */ -void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf) -{ - ext2_filsys fs = ctx->fs; - struct problem_context pctx; - - clear_problem_context(&pctx); - - pctx.errcode = ext2fs_allocate_inode_bitmap(fs, - _("multiply claimed inode map"), &inode_dup_map); - if (pctx.errcode) { - fix_problem(ctx, PR_1B_ALLOCATE_IBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - dict_init(&ino_dict, DICTCOUNT_T_MAX, dict_int_cmp); - dict_init(&blk_dict, DICTCOUNT_T_MAX, dict_int_cmp); - dict_set_allocator(&ino_dict, inode_dnode_free); - dict_set_allocator(&blk_dict, block_dnode_free); - - pass1b(ctx, block_buf); - pass1c(ctx, block_buf); - pass1d(ctx, block_buf); - - /* - * Time to free all of the accumulated data structures that we - * don't need anymore. - */ - dict_free_nodes(&ino_dict); - dict_free_nodes(&blk_dict); -} - -/* - * Scan the inodes looking for inodes that contain duplicate blocks. - */ -struct process_block_struct_1b { - e2fsck_t ctx; - ext2_ino_t ino; - int dup_blocks; - struct ext2_inode *inode; - struct problem_context *pctx; -}; - -static void pass1b(e2fsck_t ctx, char *block_buf) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t ino; - struct ext2_inode inode; - ext2_inode_scan scan; - struct process_block_struct_1b pb; - struct problem_context pctx; - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_1B_PASS_HEADER, &pctx); - pctx.errcode = ext2fs_open_inode_scan(fs, ctx->inode_buffer_blocks, - &scan); - if (pctx.errcode) { - fix_problem(ctx, PR_1B_ISCAN_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ctx->stashed_inode = &inode; - pb.ctx = ctx; - pb.pctx = &pctx; - pctx.str = "pass1b"; - while (1) { - pctx.errcode = ext2fs_get_next_inode(scan, &ino, &inode); - if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) - continue; - if (pctx.errcode) { - fix_problem(ctx, PR_1B_ISCAN_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if (!ino) - break; - pctx.ino = ctx->stashed_ino = ino; - if ((ino != EXT2_BAD_INO) && - !ext2fs_test_inode_bitmap(ctx->inode_used_map, ino)) - continue; - - pb.ino = ino; - pb.dup_blocks = 0; - pb.inode = &inode; - - if (ext2fs_inode_has_valid_blocks(&inode) || - (ino == EXT2_BAD_INO)) - pctx.errcode = ext2fs_block_iterate2(fs, ino, - 0, block_buf, process_pass1b_block, &pb); - if (inode.i_file_acl) - process_pass1b_block(fs, &inode.i_file_acl, - BLOCK_COUNT_EXTATTR, 0, 0, &pb); - if (pb.dup_blocks) { - end_problem_latch(ctx, PR_LATCH_DBLOCK); - if (ino >= EXT2_FIRST_INODE(fs->super) || - ino == EXT2_ROOT_INO) - dup_inode_count++; - } - if (pctx.errcode) - fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx); - } - ext2fs_close_inode_scan(scan); - e2fsck_use_inode_shortcuts(ctx, 0); -} - -static int process_pass1b_block(ext2_filsys fs FSCK_ATTR((unused)), - blk_t *block_nr, - e2_blkcnt_t blockcnt FSCK_ATTR((unused)), - blk_t ref_blk FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct process_block_struct_1b *p; - e2fsck_t ctx; - - if (HOLE_BLKADDR(*block_nr)) - return 0; - p = (struct process_block_struct_1b *) priv_data; - ctx = p->ctx; - - if (!ext2fs_test_block_bitmap(ctx->block_dup_map, *block_nr)) - return 0; - - /* OK, this is a duplicate block */ - if (p->ino != EXT2_BAD_INO) { - p->pctx->blk = *block_nr; - fix_problem(ctx, PR_1B_DUP_BLOCK, p->pctx); - } - p->dup_blocks++; - ext2fs_mark_inode_bitmap(inode_dup_map, p->ino); - - add_dupe(ctx, p->ino, *block_nr, p->inode); - - return 0; -} - -/* - * Pass 1c: Scan directories for inodes with duplicate blocks. This - * is used so that we can print pathnames when prompting the user for - * what to do. - */ -struct search_dir_struct { - int count; - ext2_ino_t first_inode; - ext2_ino_t max_inode; -}; - -static int search_dirent_proc(ext2_ino_t dir, int entry, - struct ext2_dir_entry *dirent, - int offset FSCK_ATTR((unused)), - int blocksize FSCK_ATTR((unused)), - char *buf FSCK_ATTR((unused)), - void *priv_data) -{ - struct search_dir_struct *sd; - struct dup_inode *p; - dnode_t *n; - - sd = (struct search_dir_struct *) priv_data; - - if (dirent->inode > sd->max_inode) - /* Should abort this inode, but not everything */ - return 0; - - if ((dirent->inode < sd->first_inode) || (entry < DIRENT_OTHER_FILE) || - !ext2fs_test_inode_bitmap(inode_dup_map, dirent->inode)) - return 0; - - n = dict_lookup(&ino_dict, INT_TO_VOIDPTR(dirent->inode)); - if (!n) - return 0; - p = (struct dup_inode *) dnode_get(n); - p->dir = dir; - sd->count--; - - return sd->count ? 0 : DIRENT_ABORT; -} - - -static void pass1c(e2fsck_t ctx, char *block_buf) -{ - ext2_filsys fs = ctx->fs; - struct search_dir_struct sd; - struct problem_context pctx; - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_1C_PASS_HEADER, &pctx); - - /* - * Search through all directories to translate inodes to names - * (by searching for the containing directory for that inode.) - */ - sd.count = dup_inode_count; - sd.first_inode = EXT2_FIRST_INODE(fs->super); - sd.max_inode = fs->super->s_inodes_count; - ext2fs_dblist_dir_iterate(fs->dblist, 0, block_buf, - search_dirent_proc, &sd); -} - -static void pass1d(e2fsck_t ctx, char *block_buf) -{ - ext2_filsys fs = ctx->fs; - struct dup_inode *p, *t; - struct dup_block *q; - ext2_ino_t *shared, ino; - int shared_len; - int i; - int file_ok; - int meta_data = 0; - struct problem_context pctx; - dnode_t *n, *m; - struct block_el *s; - struct inode_el *r; - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_1D_PASS_HEADER, &pctx); - e2fsck_read_bitmaps(ctx); - - pctx.num = dup_inode_count; /* dict_count(&ino_dict); */ - fix_problem(ctx, PR_1D_NUM_DUP_INODES, &pctx); - shared = (ext2_ino_t *) e2fsck_allocate_memory(ctx, - sizeof(ext2_ino_t) * dict_count(&ino_dict), - "Shared inode list"); - for (n = dict_first(&ino_dict); n; n = dict_next(&ino_dict, n)) { - p = (struct dup_inode *) dnode_get(n); - shared_len = 0; - file_ok = 1; - ino = (ext2_ino_t)VOIDPTR_TO_INT(dnode_getkey(n)); - if (ino == EXT2_BAD_INO || ino == EXT2_RESIZE_INO) - continue; - - /* - * Find all of the inodes which share blocks with this - * one. First we find all of the duplicate blocks - * belonging to this inode, and then search each block - * get the list of inodes, and merge them together. - */ - for (s = p->block_list; s; s = s->next) { - m = dict_lookup(&blk_dict, INT_TO_VOIDPTR(s->block)); - if (!m) - continue; /* Should never happen... */ - q = (struct dup_block *) dnode_get(m); - if (q->num_bad > 1) - file_ok = 0; - if (check_if_fs_block(ctx, s->block)) { - file_ok = 0; - meta_data = 1; - } - - /* - * Add all inodes used by this block to the - * shared[] --- which is a unique list, so - * if an inode is already in shared[], don't - * add it again. - */ - for (r = q->inode_list; r; r = r->next) { - if (r->inode == ino) - continue; - for (i = 0; i < shared_len; i++) - if (shared[i] == r->inode) - break; - if (i == shared_len) { - shared[shared_len++] = r->inode; - } - } - } - - /* - * Report the inode that we are working on - */ - pctx.inode = &p->inode; - pctx.ino = ino; - pctx.dir = p->dir; - pctx.blkcount = p->num_dupblocks; - pctx.num = meta_data ? shared_len+1 : shared_len; - fix_problem(ctx, PR_1D_DUP_FILE, &pctx); - pctx.blkcount = 0; - pctx.num = 0; - - if (meta_data) - fix_problem(ctx, PR_1D_SHARE_METADATA, &pctx); - - for (i = 0; i < shared_len; i++) { - m = dict_lookup(&ino_dict, INT_TO_VOIDPTR(shared[i])); - if (!m) - continue; /* should never happen */ - t = (struct dup_inode *) dnode_get(m); - /* - * Report the inode that we are sharing with - */ - pctx.inode = &t->inode; - pctx.ino = shared[i]; - pctx.dir = t->dir; - fix_problem(ctx, PR_1D_DUP_FILE_LIST, &pctx); - } - if (file_ok) { - fix_problem(ctx, PR_1D_DUP_BLOCKS_DEALT, &pctx); - continue; - } - if (fix_problem(ctx, PR_1D_CLONE_QUESTION, &pctx)) { - pctx.errcode = clone_file(ctx, ino, p, block_buf); - if (pctx.errcode) - fix_problem(ctx, PR_1D_CLONE_ERROR, &pctx); - else - continue; - } - if (fix_problem(ctx, PR_1D_DELETE_QUESTION, &pctx)) - delete_file(ctx, ino, p, block_buf); - else - ext2fs_unmark_valid(fs); - } - ext2fs_free_mem(&shared); -} - -/* - * Drop the refcount on the dup_block structure, and clear the entry - * in the block_dup_map if appropriate. - */ -static void decrement_badcount(e2fsck_t ctx, blk_t block, struct dup_block *p) -{ - p->num_bad--; - if (p->num_bad <= 0 || - (p->num_bad == 1 && !check_if_fs_block(ctx, block))) - ext2fs_unmark_block_bitmap(ctx->block_dup_map, block); -} - -static int delete_file_block(ext2_filsys fs, - blk_t *block_nr, - e2_blkcnt_t blockcnt FSCK_ATTR((unused)), - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct process_block_struct_1b *pb; - struct dup_block *p; - dnode_t *n; - e2fsck_t ctx; - - pb = (struct process_block_struct_1b *) priv_data; - ctx = pb->ctx; - - if (HOLE_BLKADDR(*block_nr)) - return 0; - - if (ext2fs_test_block_bitmap(ctx->block_dup_map, *block_nr)) { - n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(*block_nr)); - if (n) { - p = (struct dup_block *) dnode_get(n); - decrement_badcount(ctx, *block_nr, p); - } else - bb_error_msg(_("internal error; can't find dup_blk for %d"), - *block_nr); - } else { - ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr); - ext2fs_block_alloc_stats(fs, *block_nr, -1); - } - - return 0; -} - -static void delete_file(e2fsck_t ctx, ext2_ino_t ino, - struct dup_inode *dp, char* block_buf) -{ - ext2_filsys fs = ctx->fs; - struct process_block_struct_1b pb; - struct ext2_inode inode; - struct problem_context pctx; - unsigned int count; - - clear_problem_context(&pctx); - pctx.ino = pb.ino = ino; - pb.dup_blocks = dp->num_dupblocks; - pb.ctx = ctx; - pctx.str = "delete_file"; - - e2fsck_read_inode(ctx, ino, &inode, "delete_file"); - if (ext2fs_inode_has_valid_blocks(&inode)) - pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf, - delete_file_block, &pb); - if (pctx.errcode) - fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx); - ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino); - ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino); - if (ctx->inode_bad_map) - ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino); - ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode)); - - /* Inode may have changed by block_iterate, so reread it */ - e2fsck_read_inode(ctx, ino, &inode, "delete_file"); - inode.i_links_count = 0; - inode.i_dtime = time(0); - if (inode.i_file_acl && - (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) { - count = 1; - pctx.errcode = ext2fs_adjust_ea_refcount(fs, inode.i_file_acl, - block_buf, -1, &count); - if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) { - pctx.errcode = 0; - count = 1; - } - if (pctx.errcode) { - pctx.blk = inode.i_file_acl; - fix_problem(ctx, PR_1B_ADJ_EA_REFCOUNT, &pctx); - } - /* - * If the count is zero, then arrange to have the - * block deleted. If the block is in the block_dup_map, - * also call delete_file_block since it will take care - * of keeping the accounting straight. - */ - if ((count == 0) || - ext2fs_test_block_bitmap(ctx->block_dup_map, - inode.i_file_acl)) - delete_file_block(fs, &inode.i_file_acl, - BLOCK_COUNT_EXTATTR, 0, 0, &pb); - } - e2fsck_write_inode(ctx, ino, &inode, "delete_file"); -} - -struct clone_struct { - errcode_t errcode; - ext2_ino_t dir; - char *buf; - e2fsck_t ctx; -}; - -static int clone_file_block(ext2_filsys fs, - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct dup_block *p; - blk_t new_block; - errcode_t retval; - struct clone_struct *cs = (struct clone_struct *) priv_data; - dnode_t *n; - e2fsck_t ctx; - - ctx = cs->ctx; - - if (HOLE_BLKADDR(*block_nr)) - return 0; - - if (ext2fs_test_block_bitmap(ctx->block_dup_map, *block_nr)) { - n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(*block_nr)); - if (n) { - p = (struct dup_block *) dnode_get(n); - retval = ext2fs_new_block(fs, 0, ctx->block_found_map, - &new_block); - if (retval) { - cs->errcode = retval; - return BLOCK_ABORT; - } - if (cs->dir && (blockcnt >= 0)) { - retval = ext2fs_set_dir_block(fs->dblist, - cs->dir, new_block, blockcnt); - if (retval) { - cs->errcode = retval; - return BLOCK_ABORT; - } - } - - retval = io_channel_read_blk(fs->io, *block_nr, 1, - cs->buf); - if (retval) { - cs->errcode = retval; - return BLOCK_ABORT; - } - retval = io_channel_write_blk(fs->io, new_block, 1, - cs->buf); - if (retval) { - cs->errcode = retval; - return BLOCK_ABORT; - } - decrement_badcount(ctx, *block_nr, p); - *block_nr = new_block; - ext2fs_mark_block_bitmap(ctx->block_found_map, - new_block); - ext2fs_mark_block_bitmap(fs->block_map, new_block); - return BLOCK_CHANGED; - } else - bb_error_msg(_("internal error; can't find dup_blk for %d"), - *block_nr); - } - return 0; -} - -static int clone_file(e2fsck_t ctx, ext2_ino_t ino, - struct dup_inode *dp, char* block_buf) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - struct clone_struct cs; - struct problem_context pctx; - blk_t blk; - dnode_t *n; - struct inode_el *ino_el; - struct dup_block *db; - struct dup_inode *di; - - clear_problem_context(&pctx); - cs.errcode = 0; - cs.dir = 0; - cs.ctx = ctx; - retval = ext2fs_get_mem(fs->blocksize, &cs.buf); - if (retval) - return retval; - - if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, ino)) - cs.dir = ino; - - pctx.ino = ino; - pctx.str = "clone_file"; - if (ext2fs_inode_has_valid_blocks(&dp->inode)) - pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf, - clone_file_block, &cs); - ext2fs_mark_bb_dirty(fs); - if (pctx.errcode) { - fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx); - retval = pctx.errcode; - goto errout; - } - if (cs.errcode) { - bb_error_msg(_("returned from clone_file_block")); - retval = cs.errcode; - goto errout; - } - /* The inode may have changed on disk, so we have to re-read it */ - e2fsck_read_inode(ctx, ino, &dp->inode, "clone file EA"); - blk = dp->inode.i_file_acl; - if (blk && (clone_file_block(fs, &dp->inode.i_file_acl, - BLOCK_COUNT_EXTATTR, 0, 0, &cs) == - BLOCK_CHANGED)) { - e2fsck_write_inode(ctx, ino, &dp->inode, "clone file EA"); - /* - * If we cloned the EA block, find all other inodes - * which refered to that EA block, and modify - * them to point to the new EA block. - */ - n = dict_lookup(&blk_dict, INT_TO_VOIDPTR(blk)); - db = (struct dup_block *) dnode_get(n); - for (ino_el = db->inode_list; ino_el; ino_el = ino_el->next) { - if (ino_el->inode == ino) - continue; - n = dict_lookup(&ino_dict, INT_TO_VOIDPTR(ino_el->inode)); - di = (struct dup_inode *) dnode_get(n); - if (di->inode.i_file_acl == blk) { - di->inode.i_file_acl = dp->inode.i_file_acl; - e2fsck_write_inode(ctx, ino_el->inode, - &di->inode, "clone file EA"); - decrement_badcount(ctx, blk, db); - } - } - } - retval = 0; -errout: - ext2fs_free_mem(&cs.buf); - return retval; -} - -/* - * This routine returns 1 if a block overlaps with one of the superblocks, - * group descriptors, inode bitmaps, or block bitmaps. - */ -static int check_if_fs_block(e2fsck_t ctx, blk_t test_block) -{ - ext2_filsys fs = ctx->fs; - blk_t block; - dgrp_t i; - - block = fs->super->s_first_data_block; - for (i = 0; i < fs->group_desc_count; i++) { - - /* Check superblocks/block group descriptros */ - if (ext2fs_bg_has_super(fs, i)) { - if (test_block >= block && - (test_block <= block + fs->desc_blocks)) - return 1; - } - - /* Check the inode table */ - if ((fs->group_desc[i].bg_inode_table) && - (test_block >= fs->group_desc[i].bg_inode_table) && - (test_block < (fs->group_desc[i].bg_inode_table + - fs->inode_blocks_per_group))) - return 1; - - /* Check the bitmap blocks */ - if ((test_block == fs->group_desc[i].bg_block_bitmap) || - (test_block == fs->group_desc[i].bg_inode_bitmap)) - return 1; - - block += fs->super->s_blocks_per_group; - } - return 0; -} -/* - * pass2.c --- check directory structure - * - * Pass 2 of e2fsck iterates through all active directory inodes, and - * applies to following tests to each directory entry in the directory - * blocks in the inodes: - * - * - The length of the directory entry (rec_len) should be at - * least 8 bytes, and no more than the remaining space - * left in the directory block. - * - The length of the name in the directory entry (name_len) - * should be less than (rec_len - 8). - * - The inode number in the directory entry should be within - * legal bounds. - * - The inode number should refer to a in-use inode. - * - The first entry should be '.', and its inode should be - * the inode of the directory. - * - The second entry should be '..'. - * - * To minimize disk seek time, the directory blocks are processed in - * sorted order of block numbers. - * - * Pass 2 also collects the following information: - * - The inode numbers of the subdirectories for each directory. - * - * Pass 2 relies on the following information from previous passes: - * - The directory information collected in pass 1. - * - The inode_used_map bitmap - * - The inode_bad_map bitmap - * - The inode_dir_map bitmap - * - * Pass 2 frees the following data structures - * - The inode_bad_map bitmap - * - The inode_reg_map bitmap - */ - -/* - * Keeps track of how many times an inode is referenced. - */ -static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf); -static int check_dir_block(ext2_filsys fs, - struct ext2_db_entry *dir_blocks_info, - void *priv_data); -static int allocate_dir_block(e2fsck_t ctx, struct ext2_db_entry *dir_blocks_info, - struct problem_context *pctx); -static int update_dir_block(ext2_filsys fs, - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, - int ref_offset, - void *priv_data); -static void clear_htree(e2fsck_t ctx, ext2_ino_t ino); -static int htree_depth(struct dx_dir_info *dx_dir, - struct dx_dirblock_info *dx_db); -static int special_dir_block_cmp(const void *a, const void *b); - -struct check_dir_struct { - char *buf; - struct problem_context pctx; - int count, max; - e2fsck_t ctx; -}; - -static void e2fsck_pass2(e2fsck_t ctx) -{ - struct ext2_super_block *sb = ctx->fs->super; - struct problem_context pctx; - ext2_filsys fs = ctx->fs; - char *buf; - struct dir_info *dir; - struct check_dir_struct cd; - struct dx_dir_info *dx_dir; - struct dx_dirblock_info *dx_db, *dx_parent; - int b; - int i, depth; - problem_t code; - int bad_dir; - - clear_problem_context(&cd.pctx); - - /* Pass 2 */ - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_2_PASS_HEADER, &cd.pctx); - - cd.pctx.errcode = ext2fs_create_icount2(fs, EXT2_ICOUNT_OPT_INCREMENT, - 0, ctx->inode_link_info, - &ctx->inode_count); - if (cd.pctx.errcode) { - fix_problem(ctx, PR_2_ALLOCATE_ICOUNT, &cd.pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - buf = (char *) e2fsck_allocate_memory(ctx, 2*fs->blocksize, - "directory scan buffer"); - - /* - * Set up the parent pointer for the root directory, if - * present. (If the root directory is not present, we will - * create it in pass 3.) - */ - dir = e2fsck_get_dir_info(ctx, EXT2_ROOT_INO); - if (dir) - dir->parent = EXT2_ROOT_INO; - - cd.buf = buf; - cd.ctx = ctx; - cd.count = 1; - cd.max = ext2fs_dblist_count(fs->dblist); - - if (ctx->progress) - (void) (ctx->progress)(ctx, 2, 0, cd.max); - - if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) - ext2fs_dblist_sort(fs->dblist, special_dir_block_cmp); - - cd.pctx.errcode = ext2fs_dblist_iterate(fs->dblist, check_dir_block, - &cd); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - if (cd.pctx.errcode) { - fix_problem(ctx, PR_2_DBLIST_ITERATE, &cd.pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - -#ifdef ENABLE_HTREE - for (i=0; (dx_dir = e2fsck_dx_dir_info_iter(ctx, &i)) != 0;) { - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - if (dx_dir->numblocks == 0) - continue; - clear_problem_context(&pctx); - bad_dir = 0; - pctx.dir = dx_dir->ino; - dx_db = dx_dir->dx_block; - if (dx_db->flags & DX_FLAG_REFERENCED) - dx_db->flags |= DX_FLAG_DUP_REF; - else - dx_db->flags |= DX_FLAG_REFERENCED; - /* - * Find all of the first and last leaf blocks, and - * update their parent's min and max hash values - */ - for (b=0, dx_db = dx_dir->dx_block; - b < dx_dir->numblocks; - b++, dx_db++) { - if ((dx_db->type != DX_DIRBLOCK_LEAF) || - !(dx_db->flags & (DX_FLAG_FIRST | DX_FLAG_LAST))) - continue; - dx_parent = &dx_dir->dx_block[dx_db->parent]; - /* - * XXX Make sure dx_parent->min_hash > dx_db->min_hash - */ - if (dx_db->flags & DX_FLAG_FIRST) - dx_parent->min_hash = dx_db->min_hash; - /* - * XXX Make sure dx_parent->max_hash < dx_db->max_hash - */ - if (dx_db->flags & DX_FLAG_LAST) - dx_parent->max_hash = dx_db->max_hash; - } - - for (b=0, dx_db = dx_dir->dx_block; - b < dx_dir->numblocks; - b++, dx_db++) { - pctx.blkcount = b; - pctx.group = dx_db->parent; - code = 0; - if (!(dx_db->flags & DX_FLAG_FIRST) && - (dx_db->min_hash < dx_db->node_min_hash)) { - pctx.blk = dx_db->min_hash; - pctx.blk2 = dx_db->node_min_hash; - code = PR_2_HTREE_MIN_HASH; - fix_problem(ctx, code, &pctx); - bad_dir++; - } - if (dx_db->type == DX_DIRBLOCK_LEAF) { - depth = htree_depth(dx_dir, dx_db); - if (depth != dx_dir->depth) { - code = PR_2_HTREE_BAD_DEPTH; - fix_problem(ctx, code, &pctx); - bad_dir++; - } - } - /* - * This test doesn't apply for the root block - * at block #0 - */ - if (b && - (dx_db->max_hash > dx_db->node_max_hash)) { - pctx.blk = dx_db->max_hash; - pctx.blk2 = dx_db->node_max_hash; - code = PR_2_HTREE_MAX_HASH; - fix_problem(ctx, code, &pctx); - bad_dir++; - } - if (!(dx_db->flags & DX_FLAG_REFERENCED)) { - code = PR_2_HTREE_NOTREF; - fix_problem(ctx, code, &pctx); - bad_dir++; - } else if (dx_db->flags & DX_FLAG_DUP_REF) { - code = PR_2_HTREE_DUPREF; - fix_problem(ctx, code, &pctx); - bad_dir++; - } - if (code == 0) - continue; - } - if (bad_dir && fix_problem(ctx, PR_2_HTREE_CLEAR, &pctx)) { - clear_htree(ctx, dx_dir->ino); - dx_dir->numblocks = 0; - } - } -#endif - ext2fs_free_mem(&buf); - ext2fs_free_dblist(fs->dblist); - - ext2fs_free_inode_bitmap(ctx->inode_bad_map); - ctx->inode_bad_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_reg_map); - ctx->inode_reg_map = 0; - - clear_problem_context(&pctx); - if (ctx->large_files) { - if (!(sb->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_LARGE_FILE) && - fix_problem(ctx, PR_2_FEATURE_LARGE_FILES, &pctx)) { - sb->s_feature_ro_compat |= - EXT2_FEATURE_RO_COMPAT_LARGE_FILE; - ext2fs_mark_super_dirty(fs); - } - if (sb->s_rev_level == EXT2_GOOD_OLD_REV && - fix_problem(ctx, PR_1_FS_REV_LEVEL, &pctx)) { - ext2fs_update_dynamic_rev(fs); - ext2fs_mark_super_dirty(fs); - } - } else if (!ctx->large_files && - (sb->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_LARGE_FILE)) { - if (fs->flags & EXT2_FLAG_RW) { - sb->s_feature_ro_compat &= - ~EXT2_FEATURE_RO_COMPAT_LARGE_FILE; - ext2fs_mark_super_dirty(fs); - } - } - -} - -#define MAX_DEPTH 32000 -static int htree_depth(struct dx_dir_info *dx_dir, - struct dx_dirblock_info *dx_db) -{ - int depth = 0; - - while (dx_db->type != DX_DIRBLOCK_ROOT && depth < MAX_DEPTH) { - dx_db = &dx_dir->dx_block[dx_db->parent]; - depth++; - } - return depth; -} - -static int dict_de_cmp(const void *a, const void *b) -{ - const struct ext2_dir_entry *de_a, *de_b; - int a_len, b_len; - - de_a = (const struct ext2_dir_entry *) a; - a_len = de_a->name_len & 0xFF; - de_b = (const struct ext2_dir_entry *) b; - b_len = de_b->name_len & 0xFF; - - if (a_len != b_len) - return (a_len - b_len); - - return strncmp(de_a->name, de_b->name, a_len); -} - -/* - * This is special sort function that makes sure that directory blocks - * with a dirblock of zero are sorted to the beginning of the list. - * This guarantees that the root node of the htree directories are - * processed first, so we know what hash version to use. - */ -static int special_dir_block_cmp(const void *a, const void *b) -{ - const struct ext2_db_entry *db_a = - (const struct ext2_db_entry *) a; - const struct ext2_db_entry *db_b = - (const struct ext2_db_entry *) b; - - if (db_a->blockcnt && !db_b->blockcnt) - return 1; - - if (!db_a->blockcnt && db_b->blockcnt) - return -1; - - if (db_a->blk != db_b->blk) - return (int) (db_a->blk - db_b->blk); - - if (db_a->ino != db_b->ino) - return (int) (db_a->ino - db_b->ino); - - return (int) (db_a->blockcnt - db_b->blockcnt); -} - - -/* - * Make sure the first entry in the directory is '.', and that the - * directory entry is sane. - */ -static int check_dot(e2fsck_t ctx, - struct ext2_dir_entry *dirent, - ext2_ino_t ino, struct problem_context *pctx) -{ - struct ext2_dir_entry *nextdir; - int status = 0; - int created = 0; - int new_len; - int problem = 0; - - if (!dirent->inode) - problem = PR_2_MISSING_DOT; - else if (((dirent->name_len & 0xFF) != 1) || - (dirent->name[0] != '.')) - problem = PR_2_1ST_NOT_DOT; - else if (dirent->name[1] != '\0') - problem = PR_2_DOT_NULL_TERM; - - if (problem) { - if (fix_problem(ctx, problem, pctx)) { - if (dirent->rec_len < 12) - dirent->rec_len = 12; - dirent->inode = ino; - dirent->name_len = 1; - dirent->name[0] = '.'; - dirent->name[1] = '\0'; - status = 1; - created = 1; - } - } - if (dirent->inode != ino) { - if (fix_problem(ctx, PR_2_BAD_INODE_DOT, pctx)) { - dirent->inode = ino; - status = 1; - } - } - if (dirent->rec_len > 12) { - new_len = dirent->rec_len - 12; - if (new_len > 12) { - if (created || - fix_problem(ctx, PR_2_SPLIT_DOT, pctx)) { - nextdir = (struct ext2_dir_entry *) - ((char *) dirent + 12); - dirent->rec_len = 12; - nextdir->rec_len = new_len; - nextdir->inode = 0; - nextdir->name_len = 0; - status = 1; - } - } - } - return status; -} - -/* - * Make sure the second entry in the directory is '..', and that the - * directory entry is sane. We do not check the inode number of '..' - * here; this gets done in pass 3. - */ -static int check_dotdot(e2fsck_t ctx, - struct ext2_dir_entry *dirent, - struct dir_info *dir, struct problem_context *pctx) -{ - int problem = 0; - - if (!dirent->inode) - problem = PR_2_MISSING_DOT_DOT; - else if (((dirent->name_len & 0xFF) != 2) || - (dirent->name[0] != '.') || - (dirent->name[1] != '.')) - problem = PR_2_2ND_NOT_DOT_DOT; - else if (dirent->name[2] != '\0') - problem = PR_2_DOT_DOT_NULL_TERM; - - if (problem) { - if (fix_problem(ctx, problem, pctx)) { - if (dirent->rec_len < 12) - dirent->rec_len = 12; - /* - * Note: we don't have the parent inode just - * yet, so we will fill it in with the root - * inode. This will get fixed in pass 3. - */ - dirent->inode = EXT2_ROOT_INO; - dirent->name_len = 2; - dirent->name[0] = '.'; - dirent->name[1] = '.'; - dirent->name[2] = '\0'; - return 1; - } - return 0; - } - dir->dotdot = dirent->inode; - return 0; -} - -/* - * Check to make sure a directory entry doesn't contain any illegal - * characters. - */ -static int check_name(e2fsck_t ctx, - struct ext2_dir_entry *dirent, - struct problem_context *pctx) -{ - int i; - int fixup = -1; - int ret = 0; - - for ( i = 0; i < (dirent->name_len & 0xFF); i++) { - if (dirent->name[i] == '/' || dirent->name[i] == '\0') { - if (fixup < 0) { - fixup = fix_problem(ctx, PR_2_BAD_NAME, pctx); - } - if (fixup) { - dirent->name[i] = '.'; - ret = 1; - } - } - } - return ret; -} - -/* - * Check the directory filetype (if present) - */ - -/* - * Given a mode, return the ext2 file type - */ -static int ext2_file_type(unsigned int mode) -{ - if (LINUX_S_ISREG(mode)) - return EXT2_FT_REG_FILE; - - if (LINUX_S_ISDIR(mode)) - return EXT2_FT_DIR; - - if (LINUX_S_ISCHR(mode)) - return EXT2_FT_CHRDEV; - - if (LINUX_S_ISBLK(mode)) - return EXT2_FT_BLKDEV; - - if (LINUX_S_ISLNK(mode)) - return EXT2_FT_SYMLINK; - - if (LINUX_S_ISFIFO(mode)) - return EXT2_FT_FIFO; - - if (LINUX_S_ISSOCK(mode)) - return EXT2_FT_SOCK; - - return 0; -} - -static int check_filetype(e2fsck_t ctx, - struct ext2_dir_entry *dirent, - struct problem_context *pctx) -{ - int filetype = dirent->name_len >> 8; - int should_be = EXT2_FT_UNKNOWN; - struct ext2_inode inode; - - if (!(ctx->fs->super->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_FILETYPE)) { - if (filetype == 0 || - !fix_problem(ctx, PR_2_CLEAR_FILETYPE, pctx)) - return 0; - dirent->name_len = dirent->name_len & 0xFF; - return 1; - } - - if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, dirent->inode)) { - should_be = EXT2_FT_DIR; - } else if (ext2fs_test_inode_bitmap(ctx->inode_reg_map, - dirent->inode)) { - should_be = EXT2_FT_REG_FILE; - } else if (ctx->inode_bad_map && - ext2fs_test_inode_bitmap(ctx->inode_bad_map, - dirent->inode)) - should_be = 0; - else { - e2fsck_read_inode(ctx, dirent->inode, &inode, - "check_filetype"); - should_be = ext2_file_type(inode.i_mode); - } - if (filetype == should_be) - return 0; - pctx->num = should_be; - - if (fix_problem(ctx, filetype ? PR_2_BAD_FILETYPE : PR_2_SET_FILETYPE, - pctx) == 0) - return 0; - - dirent->name_len = (dirent->name_len & 0xFF) | should_be << 8; - return 1; -} - -#ifdef ENABLE_HTREE -static void parse_int_node(ext2_filsys fs, - struct ext2_db_entry *db, - struct check_dir_struct *cd, - struct dx_dir_info *dx_dir, - char *block_buf) -{ - struct ext2_dx_root_info *root; - struct ext2_dx_entry *ent; - struct ext2_dx_countlimit *limit; - struct dx_dirblock_info *dx_db; - int i, expect_limit, count; - blk_t blk; - ext2_dirhash_t min_hash = 0xffffffff; - ext2_dirhash_t max_hash = 0; - ext2_dirhash_t hash = 0, prev_hash; - - if (db->blockcnt == 0) { - root = (struct ext2_dx_root_info *) (block_buf + 24); - ent = (struct ext2_dx_entry *) (block_buf + 24 + root->info_length); - } else { - ent = (struct ext2_dx_entry *) (block_buf+8); - } - limit = (struct ext2_dx_countlimit *) ent; - - count = ext2fs_le16_to_cpu(limit->count); - expect_limit = (fs->blocksize - ((char *) ent - block_buf)) / - sizeof(struct ext2_dx_entry); - if (ext2fs_le16_to_cpu(limit->limit) != expect_limit) { - cd->pctx.num = ext2fs_le16_to_cpu(limit->limit); - if (fix_problem(cd->ctx, PR_2_HTREE_BAD_LIMIT, &cd->pctx)) - goto clear_and_exit; - } - if (count > expect_limit) { - cd->pctx.num = count; - if (fix_problem(cd->ctx, PR_2_HTREE_BAD_COUNT, &cd->pctx)) - goto clear_and_exit; - count = expect_limit; - } - - for (i=0; i < count; i++) { - prev_hash = hash; - hash = i ? (ext2fs_le32_to_cpu(ent[i].hash) & ~1) : 0; - blk = ext2fs_le32_to_cpu(ent[i].block) & 0x0ffffff; - /* Check to make sure the block is valid */ - if (blk > (blk_t) dx_dir->numblocks) { - cd->pctx.blk = blk; - if (fix_problem(cd->ctx, PR_2_HTREE_BADBLK, - &cd->pctx)) - goto clear_and_exit; - } - if (hash < prev_hash && - fix_problem(cd->ctx, PR_2_HTREE_HASH_ORDER, &cd->pctx)) - goto clear_and_exit; - dx_db = &dx_dir->dx_block[blk]; - if (dx_db->flags & DX_FLAG_REFERENCED) { - dx_db->flags |= DX_FLAG_DUP_REF; - } else { - dx_db->flags |= DX_FLAG_REFERENCED; - dx_db->parent = db->blockcnt; - } - if (hash < min_hash) - min_hash = hash; - if (hash > max_hash) - max_hash = hash; - dx_db->node_min_hash = hash; - if ((i+1) < count) - dx_db->node_max_hash = - ext2fs_le32_to_cpu(ent[i+1].hash) & ~1; - else { - dx_db->node_max_hash = 0xfffffffe; - dx_db->flags |= DX_FLAG_LAST; - } - if (i == 0) - dx_db->flags |= DX_FLAG_FIRST; - } - dx_db = &dx_dir->dx_block[db->blockcnt]; - dx_db->min_hash = min_hash; - dx_db->max_hash = max_hash; - return; - -clear_and_exit: - clear_htree(cd->ctx, cd->pctx.ino); - dx_dir->numblocks = 0; -} -#endif /* ENABLE_HTREE */ - -/* - * Given a busted directory, try to salvage it somehow. - * - */ -static void salvage_directory(ext2_filsys fs, - struct ext2_dir_entry *dirent, - struct ext2_dir_entry *prev, - unsigned int *offset) -{ - char *cp = (char *) dirent; - int left = fs->blocksize - *offset - dirent->rec_len; - int name_len = dirent->name_len & 0xFF; - - /* - * Special case of directory entry of size 8: copy what's left - * of the directory block up to cover up the invalid hole. - */ - if ((left >= 12) && (dirent->rec_len == 8)) { - memmove(cp, cp+8, left); - memset(cp + left, 0, 8); - return; - } - /* - * If the directory entry overruns the end of the directory - * block, and the name is small enough to fit, then adjust the - * record length. - */ - if ((left < 0) && - (name_len + 8 <= dirent->rec_len + left) && - dirent->inode <= fs->super->s_inodes_count && - strnlen(dirent->name, name_len) == name_len) { - dirent->rec_len += left; - return; - } - /* - * If the directory entry is a multiple of four, so it is - * valid, let the previous directory entry absorb the invalid - * one. - */ - if (prev && dirent->rec_len && (dirent->rec_len % 4) == 0) { - prev->rec_len += dirent->rec_len; - *offset += dirent->rec_len; - return; - } - /* - * Default salvage method --- kill all of the directory - * entries for the rest of the block. We will either try to - * absorb it into the previous directory entry, or create a - * new empty directory entry the rest of the directory block. - */ - if (prev) { - prev->rec_len += fs->blocksize - *offset; - *offset = fs->blocksize; - } else { - dirent->rec_len = fs->blocksize - *offset; - dirent->name_len = 0; - dirent->inode = 0; - } -} - -static int check_dir_block(ext2_filsys fs, - struct ext2_db_entry *db, - void *priv_data) -{ - struct dir_info *subdir, *dir; - struct dx_dir_info *dx_dir; -#ifdef ENABLE_HTREE - struct dx_dirblock_info *dx_db = 0; -#endif /* ENABLE_HTREE */ - struct ext2_dir_entry *dirent, *prev; - ext2_dirhash_t hash; - unsigned int offset = 0; - int dir_modified = 0; - int dot_state; - blk_t block_nr = db->blk; - ext2_ino_t ino = db->ino; - __u16 links; - struct check_dir_struct *cd; - char *buf; - e2fsck_t ctx; - int problem; - struct ext2_dx_root_info *root; - struct ext2_dx_countlimit *limit; - static dict_t de_dict; - struct problem_context pctx; - int dups_found = 0; - - cd = (struct check_dir_struct *) priv_data; - buf = cd->buf; - ctx = cd->ctx; - - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return DIRENT_ABORT; - - if (ctx->progress && (ctx->progress)(ctx, 2, cd->count++, cd->max)) - return DIRENT_ABORT; - - /* - * Make sure the inode is still in use (could have been - * deleted in the duplicate/bad blocks pass. - */ - if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, ino))) - return 0; - - cd->pctx.ino = ino; - cd->pctx.blk = block_nr; - cd->pctx.blkcount = db->blockcnt; - cd->pctx.ino2 = 0; - cd->pctx.dirent = 0; - cd->pctx.num = 0; - - if (db->blk == 0) { - if (allocate_dir_block(ctx, db, &cd->pctx)) - return 0; - block_nr = db->blk; - } - - if (db->blockcnt) - dot_state = 2; - else - dot_state = 0; - - if (ctx->dirs_to_hash && - ext2fs_u32_list_test(ctx->dirs_to_hash, ino)) - dups_found++; - - cd->pctx.errcode = ext2fs_read_dir_block(fs, block_nr, buf); - if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED) - cd->pctx.errcode = 0; /* We'll handle this ourselves */ - if (cd->pctx.errcode) { - if (!fix_problem(ctx, PR_2_READ_DIRBLOCK, &cd->pctx)) { - ctx->flags |= E2F_FLAG_ABORT; - return DIRENT_ABORT; - } - memset(buf, 0, fs->blocksize); - } -#ifdef ENABLE_HTREE - dx_dir = e2fsck_get_dx_dir_info(ctx, ino); - if (dx_dir && dx_dir->numblocks) { - if (db->blockcnt >= dx_dir->numblocks) { - printf("XXX should never happen!!!\n"); - abort(); - } - dx_db = &dx_dir->dx_block[db->blockcnt]; - dx_db->type = DX_DIRBLOCK_LEAF; - dx_db->phys = block_nr; - dx_db->min_hash = ~0; - dx_db->max_hash = 0; - - dirent = (struct ext2_dir_entry *) buf; - limit = (struct ext2_dx_countlimit *) (buf+8); - if (db->blockcnt == 0) { - root = (struct ext2_dx_root_info *) (buf + 24); - dx_db->type = DX_DIRBLOCK_ROOT; - dx_db->flags |= DX_FLAG_FIRST | DX_FLAG_LAST; - if ((root->reserved_zero || - root->info_length < 8 || - root->indirect_levels > 1) && - fix_problem(ctx, PR_2_HTREE_BAD_ROOT, &cd->pctx)) { - clear_htree(ctx, ino); - dx_dir->numblocks = 0; - dx_db = 0; - } - dx_dir->hashversion = root->hash_version; - dx_dir->depth = root->indirect_levels + 1; - } else if ((dirent->inode == 0) && - (dirent->rec_len == fs->blocksize) && - (dirent->name_len == 0) && - (ext2fs_le16_to_cpu(limit->limit) == - ((fs->blocksize-8) / - sizeof(struct ext2_dx_entry)))) - dx_db->type = DX_DIRBLOCK_NODE; - } -#endif /* ENABLE_HTREE */ - - dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp); - prev = 0; - do { - problem = 0; - dirent = (struct ext2_dir_entry *) (buf + offset); - cd->pctx.dirent = dirent; - cd->pctx.num = offset; - if (((offset + dirent->rec_len) > fs->blocksize) || - (dirent->rec_len < 12) || - ((dirent->rec_len % 4) != 0) || - (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) { - if (fix_problem(ctx, PR_2_DIR_CORRUPTED, &cd->pctx)) { - salvage_directory(fs, dirent, prev, &offset); - dir_modified++; - continue; - } else - goto abort_free_dict; - } - if ((dirent->name_len & 0xFF) > EXT2_NAME_LEN) { - if (fix_problem(ctx, PR_2_FILENAME_LONG, &cd->pctx)) { - dirent->name_len = EXT2_NAME_LEN; - dir_modified++; - } - } - - if (dot_state == 0) { - if (check_dot(ctx, dirent, ino, &cd->pctx)) - dir_modified++; - } else if (dot_state == 1) { - dir = e2fsck_get_dir_info(ctx, ino); - if (!dir) { - fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx); - goto abort_free_dict; - } - if (check_dotdot(ctx, dirent, dir, &cd->pctx)) - dir_modified++; - } else if (dirent->inode == ino) { - problem = PR_2_LINK_DOT; - if (fix_problem(ctx, PR_2_LINK_DOT, &cd->pctx)) { - dirent->inode = 0; - dir_modified++; - goto next; - } - } - if (!dirent->inode) - goto next; - - /* - * Make sure the inode listed is a legal one. - */ - if (((dirent->inode != EXT2_ROOT_INO) && - (dirent->inode < EXT2_FIRST_INODE(fs->super))) || - (dirent->inode > fs->super->s_inodes_count)) { - problem = PR_2_BAD_INO; - } else if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, - dirent->inode))) { - /* - * If the inode is unused, offer to clear it. - */ - problem = PR_2_UNUSED_INODE; - } else if ((dot_state > 1) && - ((dirent->name_len & 0xFF) == 1) && - (dirent->name[0] == '.')) { - /* - * If there's a '.' entry in anything other - * than the first directory entry, it's a - * duplicate entry that should be removed. - */ - problem = PR_2_DUP_DOT; - } else if ((dot_state > 1) && - ((dirent->name_len & 0xFF) == 2) && - (dirent->name[0] == '.') && - (dirent->name[1] == '.')) { - /* - * If there's a '..' entry in anything other - * than the second directory entry, it's a - * duplicate entry that should be removed. - */ - problem = PR_2_DUP_DOT_DOT; - } else if ((dot_state > 1) && - (dirent->inode == EXT2_ROOT_INO)) { - /* - * Don't allow links to the root directory. - * We check this specially to make sure we - * catch this error case even if the root - * directory hasn't been created yet. - */ - problem = PR_2_LINK_ROOT; - } else if ((dot_state > 1) && - (dirent->name_len & 0xFF) == 0) { - /* - * Don't allow zero-length directory names. - */ - problem = PR_2_NULL_NAME; - } - - if (problem) { - if (fix_problem(ctx, problem, &cd->pctx)) { - dirent->inode = 0; - dir_modified++; - goto next; - } else { - ext2fs_unmark_valid(fs); - if (problem == PR_2_BAD_INO) - goto next; - } - } - - /* - * If the inode was marked as having bad fields in - * pass1, process it and offer to fix/clear it. - * (We wait until now so that we can display the - * pathname to the user.) - */ - if (ctx->inode_bad_map && - ext2fs_test_inode_bitmap(ctx->inode_bad_map, - dirent->inode)) { - if (e2fsck_process_bad_inode(ctx, ino, - dirent->inode, - buf + fs->blocksize)) { - dirent->inode = 0; - dir_modified++; - goto next; - } - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return DIRENT_ABORT; - } - - if (check_name(ctx, dirent, &cd->pctx)) - dir_modified++; - - if (check_filetype(ctx, dirent, &cd->pctx)) - dir_modified++; - -#ifdef ENABLE_HTREE - if (dx_db) { - ext2fs_dirhash(dx_dir->hashversion, dirent->name, - (dirent->name_len & 0xFF), - fs->super->s_hash_seed, &hash, 0); - if (hash < dx_db->min_hash) - dx_db->min_hash = hash; - if (hash > dx_db->max_hash) - dx_db->max_hash = hash; - } -#endif - - /* - * If this is a directory, then mark its parent in its - * dir_info structure. If the parent field is already - * filled in, then this directory has more than one - * hard link. We assume the first link is correct, - * and ask the user if he/she wants to clear this one. - */ - if ((dot_state > 1) && - (ext2fs_test_inode_bitmap(ctx->inode_dir_map, - dirent->inode))) { - subdir = e2fsck_get_dir_info(ctx, dirent->inode); - if (!subdir) { - cd->pctx.ino = dirent->inode; - fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx); - goto abort_free_dict; - } - if (subdir->parent) { - cd->pctx.ino2 = subdir->parent; - if (fix_problem(ctx, PR_2_LINK_DIR, - &cd->pctx)) { - dirent->inode = 0; - dir_modified++; - goto next; - } - cd->pctx.ino2 = 0; - } else - subdir->parent = ino; - } - - if (dups_found) { - ; - } else if (dict_lookup(&de_dict, dirent)) { - clear_problem_context(&pctx); - pctx.ino = ino; - pctx.dirent = dirent; - fix_problem(ctx, PR_2_REPORT_DUP_DIRENT, &pctx); - if (!ctx->dirs_to_hash) - ext2fs_u32_list_create(&ctx->dirs_to_hash, 50); - if (ctx->dirs_to_hash) - ext2fs_u32_list_add(ctx->dirs_to_hash, ino); - dups_found++; - } else - dict_alloc_insert(&de_dict, dirent, dirent); - - ext2fs_icount_increment(ctx->inode_count, dirent->inode, - &links); - if (links > 1) - ctx->fs_links_count++; - ctx->fs_total_count++; - next: - prev = dirent; - offset += dirent->rec_len; - dot_state++; - } while (offset < fs->blocksize); -#ifdef ENABLE_HTREE - if (dx_db) { - cd->pctx.dir = cd->pctx.ino; - if ((dx_db->type == DX_DIRBLOCK_ROOT) || - (dx_db->type == DX_DIRBLOCK_NODE)) - parse_int_node(fs, db, cd, dx_dir, buf); - } -#endif /* ENABLE_HTREE */ - if (offset != fs->blocksize) { - cd->pctx.num = dirent->rec_len - fs->blocksize + offset; - if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) { - dirent->rec_len = cd->pctx.num; - dir_modified++; - } - } - if (dir_modified) { - cd->pctx.errcode = ext2fs_write_dir_block(fs, block_nr, buf); - if (cd->pctx.errcode) { - if (!fix_problem(ctx, PR_2_WRITE_DIRBLOCK, - &cd->pctx)) - goto abort_free_dict; - } - ext2fs_mark_changed(fs); - } - dict_free_nodes(&de_dict); - return 0; -abort_free_dict: - dict_free_nodes(&de_dict); - ctx->flags |= E2F_FLAG_ABORT; - return DIRENT_ABORT; -} - -/* - * This function is called to deallocate a block, and is an interator - * functioned called by deallocate inode via ext2fs_iterate_block(). - */ -static int deallocate_inode_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt FSCK_ATTR((unused)), - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - e2fsck_t ctx = (e2fsck_t) priv_data; - - if (HOLE_BLKADDR(*block_nr)) - return 0; - if ((*block_nr < fs->super->s_first_data_block) || - (*block_nr >= fs->super->s_blocks_count)) - return 0; - ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr); - ext2fs_block_alloc_stats(fs, *block_nr, -1); - return 0; -} - -/* - * This fuction deallocates an inode - */ -static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf) -{ - ext2_filsys fs = ctx->fs; - struct ext2_inode inode; - struct problem_context pctx; - __u32 count; - - ext2fs_icount_store(ctx->inode_link_info, ino, 0); - e2fsck_read_inode(ctx, ino, &inode, "deallocate_inode"); - inode.i_links_count = 0; - inode.i_dtime = time(0); - e2fsck_write_inode(ctx, ino, &inode, "deallocate_inode"); - clear_problem_context(&pctx); - pctx.ino = ino; - - /* - * Fix up the bitmaps... - */ - e2fsck_read_bitmaps(ctx); - ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino); - ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino); - if (ctx->inode_bad_map) - ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino); - ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode)); - - if (inode.i_file_acl && - (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) { - pctx.errcode = ext2fs_adjust_ea_refcount(fs, inode.i_file_acl, - block_buf, -1, &count); - if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) { - pctx.errcode = 0; - count = 1; - } - if (pctx.errcode) { - pctx.blk = inode.i_file_acl; - fix_problem(ctx, PR_2_ADJ_EA_REFCOUNT, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if (count == 0) { - ext2fs_unmark_block_bitmap(ctx->block_found_map, - inode.i_file_acl); - ext2fs_block_alloc_stats(fs, inode.i_file_acl, -1); - } - inode.i_file_acl = 0; - } - - if (!ext2fs_inode_has_valid_blocks(&inode)) - return; - - if (LINUX_S_ISREG(inode.i_mode) && - (inode.i_size_high || inode.i_size & 0x80000000UL)) - ctx->large_files--; - - pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf, - deallocate_inode_block, ctx); - if (pctx.errcode) { - fix_problem(ctx, PR_2_DEALLOC_INODE, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } -} - -/* - * This fuction clears the htree flag on an inode - */ -static void clear_htree(e2fsck_t ctx, ext2_ino_t ino) -{ - struct ext2_inode inode; - - e2fsck_read_inode(ctx, ino, &inode, "clear_htree"); - inode.i_flags = inode.i_flags & ~EXT2_INDEX_FL; - e2fsck_write_inode(ctx, ino, &inode, "clear_htree"); - if (ctx->dirs_to_hash) - ext2fs_u32_list_add(ctx->dirs_to_hash, ino); -} - - -static int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, - ext2_ino_t ino, char *buf) -{ - ext2_filsys fs = ctx->fs; - struct ext2_inode inode; - int inode_modified = 0; - int not_fixed = 0; - unsigned char *frag, *fsize; - struct problem_context pctx; - int problem = 0; - - e2fsck_read_inode(ctx, ino, &inode, "process_bad_inode"); - - clear_problem_context(&pctx); - pctx.ino = ino; - pctx.dir = dir; - pctx.inode = &inode; - - if (inode.i_file_acl && - !(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) && - fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) { - inode.i_file_acl = 0; -#if BB_BIG_ENDIAN - /* - * This is a special kludge to deal with long symlinks - * on big endian systems. i_blocks had already been - * decremented earlier in pass 1, but since i_file_acl - * hadn't yet been cleared, ext2fs_read_inode() - * assumed that the file was short symlink and would - * not have byte swapped i_block[0]. Hence, we have - * to byte-swap it here. - */ - if (LINUX_S_ISLNK(inode.i_mode) && - (fs->flags & EXT2_FLAG_SWAP_BYTES) && - (inode.i_blocks == fs->blocksize >> 9)) - inode.i_block[0] = ext2fs_swab32(inode.i_block[0]); -#endif - inode_modified++; - } else - not_fixed++; - - if (!LINUX_S_ISDIR(inode.i_mode) && !LINUX_S_ISREG(inode.i_mode) && - !LINUX_S_ISCHR(inode.i_mode) && !LINUX_S_ISBLK(inode.i_mode) && - !LINUX_S_ISLNK(inode.i_mode) && !LINUX_S_ISFIFO(inode.i_mode) && - !(LINUX_S_ISSOCK(inode.i_mode))) - problem = PR_2_BAD_MODE; - else if (LINUX_S_ISCHR(inode.i_mode) - && !e2fsck_pass1_check_device_inode(fs, &inode)) - problem = PR_2_BAD_CHAR_DEV; - else if (LINUX_S_ISBLK(inode.i_mode) - && !e2fsck_pass1_check_device_inode(fs, &inode)) - problem = PR_2_BAD_BLOCK_DEV; - else if (LINUX_S_ISFIFO(inode.i_mode) - && !e2fsck_pass1_check_device_inode(fs, &inode)) - problem = PR_2_BAD_FIFO; - else if (LINUX_S_ISSOCK(inode.i_mode) - && !e2fsck_pass1_check_device_inode(fs, &inode)) - problem = PR_2_BAD_SOCKET; - else if (LINUX_S_ISLNK(inode.i_mode) - && !e2fsck_pass1_check_symlink(fs, &inode, buf)) { - problem = PR_2_INVALID_SYMLINK; - } - - if (problem) { - if (fix_problem(ctx, problem, &pctx)) { - deallocate_inode(ctx, ino, 0); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return 0; - return 1; - } else - not_fixed++; - problem = 0; - } - - if (inode.i_faddr) { - if (fix_problem(ctx, PR_2_FADDR_ZERO, &pctx)) { - inode.i_faddr = 0; - inode_modified++; - } else - not_fixed++; - } - - switch (fs->super->s_creator_os) { - case EXT2_OS_LINUX: - frag = &inode.osd2.linux2.l_i_frag; - fsize = &inode.osd2.linux2.l_i_fsize; - break; - case EXT2_OS_HURD: - frag = &inode.osd2.hurd2.h_i_frag; - fsize = &inode.osd2.hurd2.h_i_fsize; - break; - case EXT2_OS_MASIX: - frag = &inode.osd2.masix2.m_i_frag; - fsize = &inode.osd2.masix2.m_i_fsize; - break; - default: - frag = fsize = 0; - } - if (frag && *frag) { - pctx.num = *frag; - if (fix_problem(ctx, PR_2_FRAG_ZERO, &pctx)) { - *frag = 0; - inode_modified++; - } else - not_fixed++; - pctx.num = 0; - } - if (fsize && *fsize) { - pctx.num = *fsize; - if (fix_problem(ctx, PR_2_FSIZE_ZERO, &pctx)) { - *fsize = 0; - inode_modified++; - } else - not_fixed++; - pctx.num = 0; - } - - if (inode.i_file_acl && - ((inode.i_file_acl < fs->super->s_first_data_block) || - (inode.i_file_acl >= fs->super->s_blocks_count))) { - if (fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) { - inode.i_file_acl = 0; - inode_modified++; - } else - not_fixed++; - } - if (inode.i_dir_acl && - LINUX_S_ISDIR(inode.i_mode)) { - if (fix_problem(ctx, PR_2_DIR_ACL_ZERO, &pctx)) { - inode.i_dir_acl = 0; - inode_modified++; - } else - not_fixed++; - } - - if (inode_modified) - e2fsck_write_inode(ctx, ino, &inode, "process_bad_inode"); - if (!not_fixed) - ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino); - return 0; -} - - -/* - * allocate_dir_block --- this function allocates a new directory - * block for a particular inode; this is done if a directory has - * a "hole" in it, or if a directory has a illegal block number - * that was zeroed out and now needs to be replaced. - */ -static int allocate_dir_block(e2fsck_t ctx, struct ext2_db_entry *db, - struct problem_context *pctx) -{ - ext2_filsys fs = ctx->fs; - blk_t blk; - char *block; - struct ext2_inode inode; - - if (fix_problem(ctx, PR_2_DIRECTORY_HOLE, pctx) == 0) - return 1; - - /* - * Read the inode and block bitmaps in; we'll be messing with - * them. - */ - e2fsck_read_bitmaps(ctx); - - /* - * First, find a free block - */ - pctx->errcode = ext2fs_new_block(fs, 0, ctx->block_found_map, &blk); - if (pctx->errcode) { - pctx->str = "ext2fs_new_block"; - fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx); - return 1; - } - ext2fs_mark_block_bitmap(ctx->block_found_map, blk); - ext2fs_mark_block_bitmap(fs->block_map, blk); - ext2fs_mark_bb_dirty(fs); - - /* - * Now let's create the actual data block for the inode - */ - if (db->blockcnt) - pctx->errcode = ext2fs_new_dir_block(fs, 0, 0, &block); - else - pctx->errcode = ext2fs_new_dir_block(fs, db->ino, - EXT2_ROOT_INO, &block); - - if (pctx->errcode) { - pctx->str = "ext2fs_new_dir_block"; - fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx); - return 1; - } - - pctx->errcode = ext2fs_write_dir_block(fs, blk, block); - ext2fs_free_mem(&block); - if (pctx->errcode) { - pctx->str = "ext2fs_write_dir_block"; - fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx); - return 1; - } - - /* - * Update the inode block count - */ - e2fsck_read_inode(ctx, db->ino, &inode, "allocate_dir_block"); - inode.i_blocks += fs->blocksize / 512; - if (inode.i_size < (db->blockcnt+1) * fs->blocksize) - inode.i_size = (db->blockcnt+1) * fs->blocksize; - e2fsck_write_inode(ctx, db->ino, &inode, "allocate_dir_block"); - - /* - * Finally, update the block pointers for the inode - */ - db->blk = blk; - pctx->errcode = ext2fs_block_iterate2(fs, db->ino, BLOCK_FLAG_HOLE, - 0, update_dir_block, db); - if (pctx->errcode) { - pctx->str = "ext2fs_block_iterate"; - fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx); - return 1; - } - - return 0; -} - -/* - * This is a helper function for allocate_dir_block(). - */ -static int update_dir_block(ext2_filsys fs FSCK_ATTR((unused)), - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct ext2_db_entry *db; - - db = (struct ext2_db_entry *) priv_data; - if (db->blockcnt == (int) blockcnt) { - *block_nr = db->blk; - return BLOCK_CHANGED; - } - return 0; -} - -/* - * pass3.c -- pass #3 of e2fsck: Check for directory connectivity - * - * Pass #3 assures that all directories are connected to the - * filesystem tree, using the following algorithm: - * - * First, the root directory is checked to make sure it exists; if - * not, e2fsck will offer to create a new one. It is then marked as - * "done". - * - * Then, pass3 interates over all directory inodes; for each directory - * it attempts to trace up the filesystem tree, using dirinfo.parent - * until it reaches a directory which has been marked "done". If it - * cannot do so, then the directory must be disconnected, and e2fsck - * will offer to reconnect it to /lost+found. While it is chasing - * parent pointers up the filesystem tree, if pass3 sees a directory - * twice, then it has detected a filesystem loop, and it will again - * offer to reconnect the directory to /lost+found in to break the - * filesystem loop. - * - * Pass 3 also contains the subroutine, e2fsck_reconnect_file() to - * reconnect inodes to /lost+found; this subroutine is also used by - * pass 4. e2fsck_reconnect_file() calls get_lost_and_found(), which - * is responsible for creating /lost+found if it does not exist. - * - * Pass 3 frees the following data structures: - * - The dirinfo directory information cache. - */ - -static void check_root(e2fsck_t ctx); -static int check_directory(e2fsck_t ctx, struct dir_info *dir, - struct problem_context *pctx); -static void fix_dotdot(e2fsck_t ctx, struct dir_info *dir, ext2_ino_t parent); - -static ext2fs_inode_bitmap inode_loop_detect; -static ext2fs_inode_bitmap inode_done_map; - -static void e2fsck_pass3(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - int i; - struct problem_context pctx; - struct dir_info *dir; - unsigned long maxdirs, count; - - clear_problem_context(&pctx); - - /* Pass 3 */ - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_3_PASS_HEADER, &pctx); - - /* - * Allocate some bitmaps to do loop detection. - */ - pctx.errcode = ext2fs_allocate_inode_bitmap(fs, _("inode done bitmap"), - &inode_done_map); - if (pctx.errcode) { - pctx.num = 2; - fix_problem(ctx, PR_3_ALLOCATE_IBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - goto abort_exit; - } - check_root(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - goto abort_exit; - - ext2fs_mark_inode_bitmap(inode_done_map, EXT2_ROOT_INO); - - maxdirs = e2fsck_get_num_dirinfo(ctx); - count = 1; - - if (ctx->progress) - if ((ctx->progress)(ctx, 3, 0, maxdirs)) - goto abort_exit; - - for (i=0; (dir = e2fsck_dir_info_iter(ctx, &i)) != 0;) { - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - goto abort_exit; - if (ctx->progress && (ctx->progress)(ctx, 3, count++, maxdirs)) - goto abort_exit; - if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, dir->ino)) - if (check_directory(ctx, dir, &pctx)) - goto abort_exit; - } - - /* - * Force the creation of /lost+found if not present - */ - if ((ctx->flags & E2F_OPT_READONLY) == 0) - e2fsck_get_lost_and_found(ctx, 1); - - /* - * If there are any directories that need to be indexed or - * optimized, do it here. - */ - e2fsck_rehash_directories(ctx); - -abort_exit: - e2fsck_free_dir_info(ctx); - ext2fs_free_inode_bitmap(inode_loop_detect); - inode_loop_detect = 0; - ext2fs_free_inode_bitmap(inode_done_map); - inode_done_map = 0; -} - -/* - * This makes sure the root inode is present; if not, we ask if the - * user wants us to create it. Not creating it is a fatal error. - */ -static void check_root(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - blk_t blk; - struct ext2_inode inode; - char * block; - struct problem_context pctx; - - clear_problem_context(&pctx); - - if (ext2fs_test_inode_bitmap(ctx->inode_used_map, EXT2_ROOT_INO)) { - /* - * If the root inode is not a directory, die here. The - * user must have answered 'no' in pass1 when we - * offered to clear it. - */ - if (!(ext2fs_test_inode_bitmap(ctx->inode_dir_map, - EXT2_ROOT_INO))) { - fix_problem(ctx, PR_3_ROOT_NOT_DIR_ABORT, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - } - return; - } - - if (!fix_problem(ctx, PR_3_NO_ROOT_INODE, &pctx)) { - fix_problem(ctx, PR_3_NO_ROOT_INODE_ABORT, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - e2fsck_read_bitmaps(ctx); - - /* - * First, find a free block - */ - pctx.errcode = ext2fs_new_block(fs, 0, ctx->block_found_map, &blk); - if (pctx.errcode) { - pctx.str = "ext2fs_new_block"; - fix_problem(ctx, PR_3_CREATE_ROOT_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ext2fs_mark_block_bitmap(ctx->block_found_map, blk); - ext2fs_mark_block_bitmap(fs->block_map, blk); - ext2fs_mark_bb_dirty(fs); - - /* - * Now let's create the actual data block for the inode - */ - pctx.errcode = ext2fs_new_dir_block(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, - &block); - if (pctx.errcode) { - pctx.str = "ext2fs_new_dir_block"; - fix_problem(ctx, PR_3_CREATE_ROOT_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - pctx.errcode = ext2fs_write_dir_block(fs, blk, block); - if (pctx.errcode) { - pctx.str = "ext2fs_write_dir_block"; - fix_problem(ctx, PR_3_CREATE_ROOT_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ext2fs_free_mem(&block); - - /* - * Set up the inode structure - */ - memset(&inode, 0, sizeof(inode)); - inode.i_mode = 040755; - inode.i_size = fs->blocksize; - inode.i_atime = inode.i_ctime = inode.i_mtime = time(0); - inode.i_links_count = 2; - inode.i_blocks = fs->blocksize / 512; - inode.i_block[0] = blk; - - /* - * Write out the inode. - */ - pctx.errcode = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); - if (pctx.errcode) { - pctx.str = "ext2fs_write_inode"; - fix_problem(ctx, PR_3_CREATE_ROOT_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - /* - * Miscellaneous bookkeeping... - */ - e2fsck_add_dir_info(ctx, EXT2_ROOT_INO, EXT2_ROOT_INO); - ext2fs_icount_store(ctx->inode_count, EXT2_ROOT_INO, 2); - ext2fs_icount_store(ctx->inode_link_info, EXT2_ROOT_INO, 2); - - ext2fs_mark_inode_bitmap(ctx->inode_used_map, EXT2_ROOT_INO); - ext2fs_mark_inode_bitmap(ctx->inode_dir_map, EXT2_ROOT_INO); - ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_ROOT_INO); - ext2fs_mark_ib_dirty(fs); -} - -/* - * This subroutine is responsible for making sure that a particular - * directory is connected to the root; if it isn't we trace it up as - * far as we can go, and then offer to connect the resulting parent to - * the lost+found. We have to do loop detection; if we ever discover - * a loop, we treat that as a disconnected directory and offer to - * reparent it to lost+found. - * - * However, loop detection is expensive, because for very large - * filesystems, the inode_loop_detect bitmap is huge, and clearing it - * is non-trivial. Loops in filesystems are also a rare error case, - * and we shouldn't optimize for error cases. So we try two passes of - * the algorithm. The first time, we ignore loop detection and merely - * increment a counter; if the counter exceeds some extreme threshold, - * then we try again with the loop detection bitmap enabled. - */ -static int check_directory(e2fsck_t ctx, struct dir_info *dir, - struct problem_context *pctx) -{ - ext2_filsys fs = ctx->fs; - struct dir_info *p = dir; - int loop_pass = 0, parent_count = 0; - - if (!p) - return 0; - - while (1) { - /* - * Mark this inode as being "done"; by the time we - * return from this function, the inode we either be - * verified as being connected to the directory tree, - * or we will have offered to reconnect this to - * lost+found. - * - * If it was marked done already, then we've reached a - * parent we've already checked. - */ - if (ext2fs_mark_inode_bitmap(inode_done_map, p->ino)) - break; - - /* - * If this directory doesn't have a parent, or we've - * seen the parent once already, then offer to - * reparent it to lost+found - */ - if (!p->parent || - (loop_pass && - (ext2fs_test_inode_bitmap(inode_loop_detect, - p->parent)))) { - pctx->ino = p->ino; - if (fix_problem(ctx, PR_3_UNCONNECTED_DIR, pctx)) { - if (e2fsck_reconnect_file(ctx, pctx->ino)) - ext2fs_unmark_valid(fs); - else { - p = e2fsck_get_dir_info(ctx, pctx->ino); - p->parent = ctx->lost_and_found; - fix_dotdot(ctx, p, ctx->lost_and_found); - } - } - break; - } - p = e2fsck_get_dir_info(ctx, p->parent); - if (!p) { - fix_problem(ctx, PR_3_NO_DIRINFO, pctx); - return 0; - } - if (loop_pass) { - ext2fs_mark_inode_bitmap(inode_loop_detect, - p->ino); - } else if (parent_count++ > 2048) { - /* - * If we've run into a path depth that's - * greater than 2048, try again with the inode - * loop bitmap turned on and start from the - * top. - */ - loop_pass = 1; - if (inode_loop_detect) - ext2fs_clear_inode_bitmap(inode_loop_detect); - else { - pctx->errcode = ext2fs_allocate_inode_bitmap(fs, _("inode loop detection bitmap"), &inode_loop_detect); - if (pctx->errcode) { - pctx->num = 1; - fix_problem(ctx, - PR_3_ALLOCATE_IBITMAP_ERROR, pctx); - ctx->flags |= E2F_FLAG_ABORT; - return -1; - } - } - p = dir; - } - } - - /* - * Make sure that .. and the parent directory are the same; - * offer to fix it if not. - */ - if (dir->parent != dir->dotdot) { - pctx->ino = dir->ino; - pctx->ino2 = dir->dotdot; - pctx->dir = dir->parent; - if (fix_problem(ctx, PR_3_BAD_DOT_DOT, pctx)) - fix_dotdot(ctx, dir, dir->parent); - } - return 0; -} - -/* - * This routine gets the lost_and_found inode, making it a directory - * if necessary - */ -ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t ino; - blk_t blk; - errcode_t retval; - struct ext2_inode inode; - char * block; - static const char name[] = "lost+found"; - struct problem_context pctx; - struct dir_info *dirinfo; - - if (ctx->lost_and_found) - return ctx->lost_and_found; - - clear_problem_context(&pctx); - - retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, - sizeof(name)-1, 0, &ino); - if (retval && !fix) - return 0; - if (!retval) { - if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, ino)) { - ctx->lost_and_found = ino; - return ino; - } - - /* Lost+found isn't a directory! */ - if (!fix) - return 0; - pctx.ino = ino; - if (!fix_problem(ctx, PR_3_LPF_NOTDIR, &pctx)) - return 0; - - /* OK, unlink the old /lost+found file. */ - pctx.errcode = ext2fs_unlink(fs, EXT2_ROOT_INO, name, ino, 0); - if (pctx.errcode) { - pctx.str = "ext2fs_unlink"; - fix_problem(ctx, PR_3_CREATE_LPF_ERROR, &pctx); - return 0; - } - dirinfo = e2fsck_get_dir_info(ctx, ino); - if (dirinfo) - dirinfo->parent = 0; - e2fsck_adjust_inode_count(ctx, ino, -1); - } else if (retval != EXT2_ET_FILE_NOT_FOUND) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_ERR_FIND_LPF, &pctx); - } - if (!fix_problem(ctx, PR_3_NO_LF_DIR, 0)) - return 0; - - /* - * Read the inode and block bitmaps in; we'll be messing with - * them. - */ - e2fsck_read_bitmaps(ctx); - - /* - * First, find a free block - */ - retval = ext2fs_new_block(fs, 0, ctx->block_found_map, &blk); - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_ERR_LPF_NEW_BLOCK, &pctx); - return 0; - } - ext2fs_mark_block_bitmap(ctx->block_found_map, blk); - ext2fs_block_alloc_stats(fs, blk, +1); - - /* - * Next find a free inode. - */ - retval = ext2fs_new_inode(fs, EXT2_ROOT_INO, 040700, - ctx->inode_used_map, &ino); - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_ERR_LPF_NEW_INODE, &pctx); - return 0; - } - ext2fs_mark_inode_bitmap(ctx->inode_used_map, ino); - ext2fs_mark_inode_bitmap(ctx->inode_dir_map, ino); - ext2fs_inode_alloc_stats2(fs, ino, +1, 1); - - /* - * Now let's create the actual data block for the inode - */ - retval = ext2fs_new_dir_block(fs, ino, EXT2_ROOT_INO, &block); - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_ERR_LPF_NEW_DIR_BLOCK, &pctx); - return 0; - } - - retval = ext2fs_write_dir_block(fs, blk, block); - ext2fs_free_mem(&block); - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_ERR_LPF_WRITE_BLOCK, &pctx); - return 0; - } - - /* - * Set up the inode structure - */ - memset(&inode, 0, sizeof(inode)); - inode.i_mode = 040700; - inode.i_size = fs->blocksize; - inode.i_atime = inode.i_ctime = inode.i_mtime = time(0); - inode.i_links_count = 2; - inode.i_blocks = fs->blocksize / 512; - inode.i_block[0] = blk; - - /* - * Next, write out the inode. - */ - pctx.errcode = ext2fs_write_new_inode(fs, ino, &inode); - if (pctx.errcode) { - pctx.str = "ext2fs_write_inode"; - fix_problem(ctx, PR_3_CREATE_LPF_ERROR, &pctx); - return 0; - } - /* - * Finally, create the directory link - */ - pctx.errcode = ext2fs_link(fs, EXT2_ROOT_INO, name, ino, EXT2_FT_DIR); - if (pctx.errcode) { - pctx.str = "ext2fs_link"; - fix_problem(ctx, PR_3_CREATE_LPF_ERROR, &pctx); - return 0; - } - - /* - * Miscellaneous bookkeeping that needs to be kept straight. - */ - e2fsck_add_dir_info(ctx, ino, EXT2_ROOT_INO); - e2fsck_adjust_inode_count(ctx, EXT2_ROOT_INO, 1); - ext2fs_icount_store(ctx->inode_count, ino, 2); - ext2fs_icount_store(ctx->inode_link_info, ino, 2); - ctx->lost_and_found = ino; - return ino; -} - -/* - * This routine will connect a file to lost+found - */ -int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t ino) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - char name[80]; - struct problem_context pctx; - struct ext2_inode inode; - int file_type = 0; - - clear_problem_context(&pctx); - pctx.ino = ino; - - if (!ctx->bad_lost_and_found && !ctx->lost_and_found) { - if (e2fsck_get_lost_and_found(ctx, 1) == 0) - ctx->bad_lost_and_found++; - } - if (ctx->bad_lost_and_found) { - fix_problem(ctx, PR_3_NO_LPF, &pctx); - return 1; - } - - sprintf(name, "#%u", ino); - if (ext2fs_read_inode(fs, ino, &inode) == 0) - file_type = ext2_file_type(inode.i_mode); - retval = ext2fs_link(fs, ctx->lost_and_found, name, ino, file_type); - if (retval == EXT2_ET_DIR_NO_SPACE) { - if (!fix_problem(ctx, PR_3_EXPAND_LF_DIR, &pctx)) - return 1; - retval = e2fsck_expand_directory(ctx, ctx->lost_and_found, - 1, 0); - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_CANT_EXPAND_LPF, &pctx); - return 1; - } - retval = ext2fs_link(fs, ctx->lost_and_found, name, - ino, file_type); - } - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3_CANT_RECONNECT, &pctx); - return 1; - } - e2fsck_adjust_inode_count(ctx, ino, 1); - - return 0; -} - -/* - * Utility routine to adjust the inode counts on an inode. - */ -errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, int adj) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - struct ext2_inode inode; - - if (!ino) - return 0; - - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - - if (adj == 1) { - ext2fs_icount_increment(ctx->inode_count, ino, 0); - if (inode.i_links_count == (__u16) ~0) - return 0; - ext2fs_icount_increment(ctx->inode_link_info, ino, 0); - inode.i_links_count++; - } else if (adj == -1) { - ext2fs_icount_decrement(ctx->inode_count, ino, 0); - if (inode.i_links_count == 0) - return 0; - ext2fs_icount_decrement(ctx->inode_link_info, ino, 0); - inode.i_links_count--; - } - - retval = ext2fs_write_inode(fs, ino, &inode); - if (retval) - return retval; - - return 0; -} - -/* - * Fix parent --- this routine fixes up the parent of a directory. - */ -struct fix_dotdot_struct { - ext2_filsys fs; - ext2_ino_t parent; - int done; - e2fsck_t ctx; -}; - -static int fix_dotdot_proc(struct ext2_dir_entry *dirent, - int offset FSCK_ATTR((unused)), - int blocksize FSCK_ATTR((unused)), - char *buf FSCK_ATTR((unused)), - void *priv_data) -{ - struct fix_dotdot_struct *fp = (struct fix_dotdot_struct *) priv_data; - errcode_t retval; - struct problem_context pctx; - - if ((dirent->name_len & 0xFF) != 2) - return 0; - if (strncmp(dirent->name, "..", 2)) - return 0; - - clear_problem_context(&pctx); - - retval = e2fsck_adjust_inode_count(fp->ctx, dirent->inode, -1); - if (retval) { - pctx.errcode = retval; - fix_problem(fp->ctx, PR_3_ADJUST_INODE, &pctx); - } - retval = e2fsck_adjust_inode_count(fp->ctx, fp->parent, 1); - if (retval) { - pctx.errcode = retval; - fix_problem(fp->ctx, PR_3_ADJUST_INODE, &pctx); - } - dirent->inode = fp->parent; - - fp->done++; - return DIRENT_ABORT | DIRENT_CHANGED; -} - -static void fix_dotdot(e2fsck_t ctx, struct dir_info *dir, ext2_ino_t parent) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - struct fix_dotdot_struct fp; - struct problem_context pctx; - - fp.fs = fs; - fp.parent = parent; - fp.done = 0; - fp.ctx = ctx; - - retval = ext2fs_dir_iterate(fs, dir->ino, DIRENT_FLAG_INCLUDE_EMPTY, - 0, fix_dotdot_proc, &fp); - if (retval || !fp.done) { - clear_problem_context(&pctx); - pctx.ino = dir->ino; - pctx.errcode = retval; - fix_problem(ctx, retval ? PR_3_FIX_PARENT_ERR : - PR_3_FIX_PARENT_NOFIND, &pctx); - ext2fs_unmark_valid(fs); - } - dir->dotdot = parent; - - return; -} - -/* - * These routines are responsible for expanding a /lost+found if it is - * too small. - */ - -struct expand_dir_struct { - int num; - int guaranteed_size; - int newblocks; - int last_block; - errcode_t err; - e2fsck_t ctx; -}; - -static int expand_dir_proc(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct expand_dir_struct *es = (struct expand_dir_struct *) priv_data; - blk_t new_blk; - static blk_t last_blk = 0; - char *block; - errcode_t retval; - e2fsck_t ctx; - - ctx = es->ctx; - - if (es->guaranteed_size && blockcnt >= es->guaranteed_size) - return BLOCK_ABORT; - - if (blockcnt > 0) - es->last_block = blockcnt; - if (*blocknr) { - last_blk = *blocknr; - return 0; - } - retval = ext2fs_new_block(fs, last_blk, ctx->block_found_map, - &new_blk); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - if (blockcnt > 0) { - retval = ext2fs_new_dir_block(fs, 0, 0, &block); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - es->num--; - retval = ext2fs_write_dir_block(fs, new_blk, block); - } else { - retval = ext2fs_get_mem(fs->blocksize, &block); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - memset(block, 0, fs->blocksize); - retval = io_channel_write_blk(fs->io, new_blk, 1, block); - } - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - ext2fs_free_mem(&block); - *blocknr = new_blk; - ext2fs_mark_block_bitmap(ctx->block_found_map, new_blk); - ext2fs_block_alloc_stats(fs, new_blk, +1); - es->newblocks++; - - if (es->num == 0) - return (BLOCK_CHANGED | BLOCK_ABORT); - else - return BLOCK_CHANGED; -} - -errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir, - int num, int guaranteed_size) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - struct expand_dir_struct es; - struct ext2_inode inode; - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - /* - * Read the inode and block bitmaps in; we'll be messing with - * them. - */ - e2fsck_read_bitmaps(ctx); - - retval = ext2fs_check_directory(fs, dir); - if (retval) - return retval; - - es.num = num; - es.guaranteed_size = guaranteed_size; - es.last_block = 0; - es.err = 0; - es.newblocks = 0; - es.ctx = ctx; - - retval = ext2fs_block_iterate2(fs, dir, BLOCK_FLAG_APPEND, - 0, expand_dir_proc, &es); - - if (es.err) - return es.err; - - /* - * Update the size and block count fields in the inode. - */ - retval = ext2fs_read_inode(fs, dir, &inode); - if (retval) - return retval; - - inode.i_size = (es.last_block + 1) * fs->blocksize; - inode.i_blocks += (fs->blocksize / 512) * es.newblocks; - - e2fsck_write_inode(ctx, dir, &inode, "expand_directory"); - - return 0; -} - -/* - * pass4.c -- pass #4 of e2fsck: Check reference counts - * - * Pass 4 frees the following data structures: - * - A bitmap of which inodes are imagic inodes. (inode_imagic_map) - */ - -/* - * This routine is called when an inode is not connected to the - * directory tree. - * - * This subroutine returns 1 then the caller shouldn't bother with the - * rest of the pass 4 tests. - */ -static int disconnect_inode(e2fsck_t ctx, ext2_ino_t i) -{ - ext2_filsys fs = ctx->fs; - struct ext2_inode inode; - struct problem_context pctx; - - e2fsck_read_inode(ctx, i, &inode, "pass4: disconnect_inode"); - clear_problem_context(&pctx); - pctx.ino = i; - pctx.inode = &inode; - - /* - * Offer to delete any zero-length files that does not have - * blocks. If there is an EA block, it might have useful - * information, so we won't prompt to delete it, but let it be - * reconnected to lost+found. - */ - if (!inode.i_blocks && (LINUX_S_ISREG(inode.i_mode) || - LINUX_S_ISDIR(inode.i_mode))) { - if (fix_problem(ctx, PR_4_ZERO_LEN_INODE, &pctx)) { - ext2fs_icount_store(ctx->inode_link_info, i, 0); - inode.i_links_count = 0; - inode.i_dtime = time(0); - e2fsck_write_inode(ctx, i, &inode, - "disconnect_inode"); - /* - * Fix up the bitmaps... - */ - e2fsck_read_bitmaps(ctx); - ext2fs_unmark_inode_bitmap(ctx->inode_used_map, i); - ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, i); - ext2fs_inode_alloc_stats2(fs, i, -1, - LINUX_S_ISDIR(inode.i_mode)); - return 0; - } - } - - /* - * Prompt to reconnect. - */ - if (fix_problem(ctx, PR_4_UNATTACHED_INODE, &pctx)) { - if (e2fsck_reconnect_file(ctx, i)) - ext2fs_unmark_valid(fs); - } else { - /* - * If we don't attach the inode, then skip the - * i_links_test since there's no point in trying to - * force i_links_count to zero. - */ - ext2fs_unmark_valid(fs); - return 1; - } - return 0; -} - - -static void e2fsck_pass4(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t i; - struct ext2_inode inode; - struct problem_context pctx; - __u16 link_count, link_counted; - char *buf = 0; - int group, maxgroup; - - /* Pass 4 */ - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_4_PASS_HEADER, &pctx); - - group = 0; - maxgroup = fs->group_desc_count; - if (ctx->progress) - if ((ctx->progress)(ctx, 4, 0, maxgroup)) - return; - - for (i=1; i <= fs->super->s_inodes_count; i++) { - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - if ((i % fs->super->s_inodes_per_group) == 0) { - group++; - if (ctx->progress) - if ((ctx->progress)(ctx, 4, group, maxgroup)) - return; - } - if (i == EXT2_BAD_INO || - (i > EXT2_ROOT_INO && i < EXT2_FIRST_INODE(fs->super))) - continue; - if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, i)) || - (ctx->inode_imagic_map && - ext2fs_test_inode_bitmap(ctx->inode_imagic_map, i))) - continue; - ext2fs_icount_fetch(ctx->inode_link_info, i, &link_count); - ext2fs_icount_fetch(ctx->inode_count, i, &link_counted); - if (link_counted == 0) { - if (!buf) - buf = e2fsck_allocate_memory(ctx, - fs->blocksize, "bad_inode buffer"); - if (e2fsck_process_bad_inode(ctx, 0, i, buf)) - continue; - if (disconnect_inode(ctx, i)) - continue; - ext2fs_icount_fetch(ctx->inode_link_info, i, - &link_count); - ext2fs_icount_fetch(ctx->inode_count, i, - &link_counted); - } - if (link_counted != link_count) { - e2fsck_read_inode(ctx, i, &inode, "pass4"); - pctx.ino = i; - pctx.inode = &inode; - if (link_count != inode.i_links_count) { - pctx.num = link_count; - fix_problem(ctx, - PR_4_INCONSISTENT_COUNT, &pctx); - } - pctx.num = link_counted; - if (fix_problem(ctx, PR_4_BAD_REF_COUNT, &pctx)) { - inode.i_links_count = link_counted; - e2fsck_write_inode(ctx, i, &inode, "pass4"); - } - } - } - ext2fs_free_icount(ctx->inode_link_info); ctx->inode_link_info = 0; - ext2fs_free_icount(ctx->inode_count); ctx->inode_count = 0; - ext2fs_free_inode_bitmap(ctx->inode_imagic_map); - ctx->inode_imagic_map = 0; - ext2fs_free_mem(&buf); -} - -/* - * pass5.c --- check block and inode bitmaps against on-disk bitmaps - */ - -#define NO_BLK ((blk_t) -1) - -static void print_bitmap_problem(e2fsck_t ctx, int problem, - struct problem_context *pctx) -{ - switch (problem) { - case PR_5_BLOCK_UNUSED: - if (pctx->blk == pctx->blk2) - pctx->blk2 = 0; - else - problem = PR_5_BLOCK_RANGE_UNUSED; - break; - case PR_5_BLOCK_USED: - if (pctx->blk == pctx->blk2) - pctx->blk2 = 0; - else - problem = PR_5_BLOCK_RANGE_USED; - break; - case PR_5_INODE_UNUSED: - if (pctx->ino == pctx->ino2) - pctx->ino2 = 0; - else - problem = PR_5_INODE_RANGE_UNUSED; - break; - case PR_5_INODE_USED: - if (pctx->ino == pctx->ino2) - pctx->ino2 = 0; - else - problem = PR_5_INODE_RANGE_USED; - break; - } - fix_problem(ctx, problem, pctx); - pctx->blk = pctx->blk2 = NO_BLK; - pctx->ino = pctx->ino2 = 0; -} - -static void check_block_bitmaps(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - blk_t i; - int *free_array; - int group = 0; - unsigned int blocks = 0; - unsigned int free_blocks = 0; - int group_free = 0; - int actual, bitmap; - struct problem_context pctx; - int problem, save_problem, fixit, had_problem; - errcode_t retval; - - clear_problem_context(&pctx); - free_array = (int *) e2fsck_allocate_memory(ctx, - fs->group_desc_count * sizeof(int), "free block count array"); - - if ((fs->super->s_first_data_block < - ext2fs_get_block_bitmap_start(ctx->block_found_map)) || - (fs->super->s_blocks_count-1 > - ext2fs_get_block_bitmap_end(ctx->block_found_map))) { - pctx.num = 1; - pctx.blk = fs->super->s_first_data_block; - pctx.blk2 = fs->super->s_blocks_count -1; - pctx.ino = ext2fs_get_block_bitmap_start(ctx->block_found_map); - pctx.ino2 = ext2fs_get_block_bitmap_end(ctx->block_found_map); - fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); - - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } - - if ((fs->super->s_first_data_block < - ext2fs_get_block_bitmap_start(fs->block_map)) || - (fs->super->s_blocks_count-1 > - ext2fs_get_block_bitmap_end(fs->block_map))) { - pctx.num = 2; - pctx.blk = fs->super->s_first_data_block; - pctx.blk2 = fs->super->s_blocks_count -1; - pctx.ino = ext2fs_get_block_bitmap_start(fs->block_map); - pctx.ino2 = ext2fs_get_block_bitmap_end(fs->block_map); - fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); - - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } - -redo_counts: - had_problem = 0; - save_problem = 0; - pctx.blk = pctx.blk2 = NO_BLK; - for (i = fs->super->s_first_data_block; - i < fs->super->s_blocks_count; - i++) { - actual = ext2fs_fast_test_block_bitmap(ctx->block_found_map, i); - bitmap = ext2fs_fast_test_block_bitmap(fs->block_map, i); - - if (actual == bitmap) - goto do_counts; - - if (!actual && bitmap) { - /* - * Block not used, but marked in use in the bitmap. - */ - problem = PR_5_BLOCK_UNUSED; - } else { - /* - * Block used, but not marked in use in the bitmap. - */ - problem = PR_5_BLOCK_USED; - } - if (pctx.blk == NO_BLK) { - pctx.blk = pctx.blk2 = i; - save_problem = problem; - } else { - if ((problem == save_problem) && - (pctx.blk2 == i-1)) - pctx.blk2++; - else { - print_bitmap_problem(ctx, save_problem, &pctx); - pctx.blk = pctx.blk2 = i; - save_problem = problem; - } - } - ctx->flags |= E2F_FLAG_PROG_SUPPRESS; - had_problem++; - - do_counts: - if (!bitmap) { - group_free++; - free_blocks++; - } - blocks ++; - if ((blocks == fs->super->s_blocks_per_group) || - (i == fs->super->s_blocks_count-1)) { - free_array[group] = group_free; - group ++; - blocks = 0; - group_free = 0; - if (ctx->progress) - if ((ctx->progress)(ctx, 5, group, - fs->group_desc_count*2)) - return; - } - } - if (pctx.blk != NO_BLK) - print_bitmap_problem(ctx, save_problem, &pctx); - if (had_problem) - fixit = end_problem_latch(ctx, PR_LATCH_BBITMAP); - else - fixit = -1; - ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS; - - if (fixit == 1) { - ext2fs_free_block_bitmap(fs->block_map); - retval = ext2fs_copy_bitmap(ctx->block_found_map, - &fs->block_map); - if (retval) { - clear_problem_context(&pctx); - fix_problem(ctx, PR_5_COPY_BBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ext2fs_set_bitmap_padding(fs->block_map); - ext2fs_mark_bb_dirty(fs); - - /* Redo the counts */ - blocks = 0; free_blocks = 0; group_free = 0; group = 0; - memset(free_array, 0, fs->group_desc_count * sizeof(int)); - goto redo_counts; - } else if (fixit == 0) - ext2fs_unmark_valid(fs); - - for (i = 0; i < fs->group_desc_count; i++) { - if (free_array[i] != fs->group_desc[i].bg_free_blocks_count) { - pctx.group = i; - pctx.blk = fs->group_desc[i].bg_free_blocks_count; - pctx.blk2 = free_array[i]; - - if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT_GROUP, - &pctx)) { - fs->group_desc[i].bg_free_blocks_count = - free_array[i]; - ext2fs_mark_super_dirty(fs); - } else - ext2fs_unmark_valid(fs); - } - } - if (free_blocks != fs->super->s_free_blocks_count) { - pctx.group = 0; - pctx.blk = fs->super->s_free_blocks_count; - pctx.blk2 = free_blocks; - - if (fix_problem(ctx, PR_5_FREE_BLOCK_COUNT, &pctx)) { - fs->super->s_free_blocks_count = free_blocks; - ext2fs_mark_super_dirty(fs); - } else - ext2fs_unmark_valid(fs); - } - ext2fs_free_mem(&free_array); -} - -static void check_inode_bitmaps(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t i; - unsigned int free_inodes = 0; - int group_free = 0; - int dirs_count = 0; - int group = 0; - unsigned int inodes = 0; - int *free_array; - int *dir_array; - int actual, bitmap; - errcode_t retval; - struct problem_context pctx; - int problem, save_problem, fixit, had_problem; - - clear_problem_context(&pctx); - free_array = (int *) e2fsck_allocate_memory(ctx, - fs->group_desc_count * sizeof(int), "free inode count array"); - - dir_array = (int *) e2fsck_allocate_memory(ctx, - fs->group_desc_count * sizeof(int), "directory count array"); - - if ((1 < ext2fs_get_inode_bitmap_start(ctx->inode_used_map)) || - (fs->super->s_inodes_count > - ext2fs_get_inode_bitmap_end(ctx->inode_used_map))) { - pctx.num = 3; - pctx.blk = 1; - pctx.blk2 = fs->super->s_inodes_count; - pctx.ino = ext2fs_get_inode_bitmap_start(ctx->inode_used_map); - pctx.ino2 = ext2fs_get_inode_bitmap_end(ctx->inode_used_map); - fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); - - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } - if ((1 < ext2fs_get_inode_bitmap_start(fs->inode_map)) || - (fs->super->s_inodes_count > - ext2fs_get_inode_bitmap_end(fs->inode_map))) { - pctx.num = 4; - pctx.blk = 1; - pctx.blk2 = fs->super->s_inodes_count; - pctx.ino = ext2fs_get_inode_bitmap_start(fs->inode_map); - pctx.ino2 = ext2fs_get_inode_bitmap_end(fs->inode_map); - fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx); - - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } - -redo_counts: - had_problem = 0; - save_problem = 0; - pctx.ino = pctx.ino2 = 0; - for (i = 1; i <= fs->super->s_inodes_count; i++) { - actual = ext2fs_fast_test_inode_bitmap(ctx->inode_used_map, i); - bitmap = ext2fs_fast_test_inode_bitmap(fs->inode_map, i); - - if (actual == bitmap) - goto do_counts; - - if (!actual && bitmap) { - /* - * Inode wasn't used, but marked in bitmap - */ - problem = PR_5_INODE_UNUSED; - } else /* if (actual && !bitmap) */ { - /* - * Inode used, but not in bitmap - */ - problem = PR_5_INODE_USED; - } - if (pctx.ino == 0) { - pctx.ino = pctx.ino2 = i; - save_problem = problem; - } else { - if ((problem == save_problem) && - (pctx.ino2 == i-1)) - pctx.ino2++; - else { - print_bitmap_problem(ctx, save_problem, &pctx); - pctx.ino = pctx.ino2 = i; - save_problem = problem; - } - } - ctx->flags |= E2F_FLAG_PROG_SUPPRESS; - had_problem++; - -do_counts: - if (!bitmap) { - group_free++; - free_inodes++; - } else { - if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, i)) - dirs_count++; - } - inodes++; - if ((inodes == fs->super->s_inodes_per_group) || - (i == fs->super->s_inodes_count)) { - free_array[group] = group_free; - dir_array[group] = dirs_count; - group ++; - inodes = 0; - group_free = 0; - dirs_count = 0; - if (ctx->progress) - if ((ctx->progress)(ctx, 5, - group + fs->group_desc_count, - fs->group_desc_count*2)) - return; - } - } - if (pctx.ino) - print_bitmap_problem(ctx, save_problem, &pctx); - - if (had_problem) - fixit = end_problem_latch(ctx, PR_LATCH_IBITMAP); - else - fixit = -1; - ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS; - - if (fixit == 1) { - ext2fs_free_inode_bitmap(fs->inode_map); - retval = ext2fs_copy_bitmap(ctx->inode_used_map, - &fs->inode_map); - if (retval) { - clear_problem_context(&pctx); - fix_problem(ctx, PR_5_COPY_IBITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - ext2fs_set_bitmap_padding(fs->inode_map); - ext2fs_mark_ib_dirty(fs); - - /* redo counts */ - inodes = 0; free_inodes = 0; group_free = 0; - dirs_count = 0; group = 0; - memset(free_array, 0, fs->group_desc_count * sizeof(int)); - memset(dir_array, 0, fs->group_desc_count * sizeof(int)); - goto redo_counts; - } else if (fixit == 0) - ext2fs_unmark_valid(fs); - - for (i = 0; i < fs->group_desc_count; i++) { - if (free_array[i] != fs->group_desc[i].bg_free_inodes_count) { - pctx.group = i; - pctx.ino = fs->group_desc[i].bg_free_inodes_count; - pctx.ino2 = free_array[i]; - if (fix_problem(ctx, PR_5_FREE_INODE_COUNT_GROUP, - &pctx)) { - fs->group_desc[i].bg_free_inodes_count = - free_array[i]; - ext2fs_mark_super_dirty(fs); - } else - ext2fs_unmark_valid(fs); - } - if (dir_array[i] != fs->group_desc[i].bg_used_dirs_count) { - pctx.group = i; - pctx.ino = fs->group_desc[i].bg_used_dirs_count; - pctx.ino2 = dir_array[i]; - - if (fix_problem(ctx, PR_5_FREE_DIR_COUNT_GROUP, - &pctx)) { - fs->group_desc[i].bg_used_dirs_count = - dir_array[i]; - ext2fs_mark_super_dirty(fs); - } else - ext2fs_unmark_valid(fs); - } - } - if (free_inodes != fs->super->s_free_inodes_count) { - pctx.group = -1; - pctx.ino = fs->super->s_free_inodes_count; - pctx.ino2 = free_inodes; - - if (fix_problem(ctx, PR_5_FREE_INODE_COUNT, &pctx)) { - fs->super->s_free_inodes_count = free_inodes; - ext2fs_mark_super_dirty(fs); - } else - ext2fs_unmark_valid(fs); - } - ext2fs_free_mem(&free_array); - ext2fs_free_mem(&dir_array); -} - -static void check_inode_end(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t end, save_inodes_count, i; - struct problem_context pctx; - - clear_problem_context(&pctx); - - end = EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count; - pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, end, - &save_inodes_count); - if (pctx.errcode) { - pctx.num = 1; - fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } - if (save_inodes_count == end) - return; - - for (i = save_inodes_count + 1; i <= end; i++) { - if (!ext2fs_test_inode_bitmap(fs->inode_map, i)) { - if (fix_problem(ctx, PR_5_INODE_BMAP_PADDING, &pctx)) { - for (i = save_inodes_count + 1; i <= end; i++) - ext2fs_mark_inode_bitmap(fs->inode_map, - i); - ext2fs_mark_ib_dirty(fs); - } else - ext2fs_unmark_valid(fs); - break; - } - } - - pctx.errcode = ext2fs_fudge_inode_bitmap_end(fs->inode_map, - save_inodes_count, 0); - if (pctx.errcode) { - pctx.num = 2; - fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } -} - -static void check_block_end(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - blk_t end, save_blocks_count, i; - struct problem_context pctx; - - clear_problem_context(&pctx); - - end = fs->block_map->start + - (EXT2_BLOCKS_PER_GROUP(fs->super) * fs->group_desc_count) - 1; - pctx.errcode = ext2fs_fudge_block_bitmap_end(fs->block_map, end, - &save_blocks_count); - if (pctx.errcode) { - pctx.num = 3; - fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } - if (save_blocks_count == end) - return; - - for (i = save_blocks_count + 1; i <= end; i++) { - if (!ext2fs_test_block_bitmap(fs->block_map, i)) { - if (fix_problem(ctx, PR_5_BLOCK_BMAP_PADDING, &pctx)) { - for (i = save_blocks_count + 1; i <= end; i++) - ext2fs_mark_block_bitmap(fs->block_map, - i); - ext2fs_mark_bb_dirty(fs); - } else - ext2fs_unmark_valid(fs); - break; - } - } - - pctx.errcode = ext2fs_fudge_block_bitmap_end(fs->block_map, - save_blocks_count, 0); - if (pctx.errcode) { - pctx.num = 4; - fix_problem(ctx, PR_5_FUDGE_BITMAP_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; /* fatal */ - return; - } -} - -static void e2fsck_pass5(e2fsck_t ctx) -{ - struct problem_context pctx; - - /* Pass 5 */ - - clear_problem_context(&pctx); - - if (!(ctx->options & E2F_OPT_PREEN)) - fix_problem(ctx, PR_5_PASS_HEADER, &pctx); - - if (ctx->progress) - if ((ctx->progress)(ctx, 5, 0, ctx->fs->group_desc_count*2)) - return; - - e2fsck_read_bitmaps(ctx); - - check_block_bitmaps(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - check_inode_bitmaps(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - check_inode_end(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - check_block_end(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - - ext2fs_free_inode_bitmap(ctx->inode_used_map); - ctx->inode_used_map = 0; - ext2fs_free_inode_bitmap(ctx->inode_dir_map); - ctx->inode_dir_map = 0; - ext2fs_free_block_bitmap(ctx->block_found_map); - ctx->block_found_map = 0; -} - -/* - * problem.c --- report filesystem problems to the user - */ - -#define PR_PREEN_OK 0x000001 /* Don't need to do preenhalt */ -#define PR_NO_OK 0x000002 /* If user answers no, don't make fs invalid */ -#define PR_NO_DEFAULT 0x000004 /* Default to no */ -#define PR_MSG_ONLY 0x000008 /* Print message only */ - -/* Bit positions 0x000ff0 are reserved for the PR_LATCH flags */ - -#define PR_FATAL 0x001000 /* Fatal error */ -#define PR_AFTER_CODE 0x002000 /* After asking the first question, */ - /* ask another */ -#define PR_PREEN_NOMSG 0x004000 /* Don't print a message if we're preening */ -#define PR_NOCOLLATE 0x008000 /* Don't collate answers for this latch */ -#define PR_NO_NOMSG 0x010000 /* Don't print a message if e2fsck -n */ -#define PR_PREEN_NO 0x020000 /* Use No as an answer if preening */ -#define PR_PREEN_NOHDR 0x040000 /* Don't print the preen header */ - - -#define PROMPT_NONE 0 -#define PROMPT_FIX 1 -#define PROMPT_CLEAR 2 -#define PROMPT_RELOCATE 3 -#define PROMPT_ALLOCATE 4 -#define PROMPT_EXPAND 5 -#define PROMPT_CONNECT 6 -#define PROMPT_CREATE 7 -#define PROMPT_SALVAGE 8 -#define PROMPT_TRUNCATE 9 -#define PROMPT_CLEAR_INODE 10 -#define PROMPT_ABORT 11 -#define PROMPT_SPLIT 12 -#define PROMPT_CONTINUE 13 -#define PROMPT_CLONE 14 -#define PROMPT_DELETE 15 -#define PROMPT_SUPPRESS 16 -#define PROMPT_UNLINK 17 -#define PROMPT_CLEAR_HTREE 18 -#define PROMPT_RECREATE 19 -#define PROMPT_NULL 20 - -struct e2fsck_problem { - problem_t e2p_code; - const char * e2p_description; - char prompt; - int flags; - problem_t second_code; -}; - -struct latch_descr { - int latch_code; - problem_t question; - problem_t end_message; - int flags; -}; - -/* - * These are the prompts which are used to ask the user if they want - * to fix a problem. - */ -static const char * const prompt[] = { - N_("(no prompt)"), /* 0 */ - N_("Fix"), /* 1 */ - N_("Clear"), /* 2 */ - N_("Relocate"), /* 3 */ - N_("Allocate"), /* 4 */ - N_("Expand"), /* 5 */ - N_("Connect to /lost+found"), /* 6 */ - N_("Create"), /* 7 */ - N_("Salvage"), /* 8 */ - N_("Truncate"), /* 9 */ - N_("Clear inode"), /* 10 */ - N_("Abort"), /* 11 */ - N_("Split"), /* 12 */ - N_("Continue"), /* 13 */ - N_("Clone multiply-claimed blocks"), /* 14 */ - N_("Delete file"), /* 15 */ - N_("Suppress messages"),/* 16 */ - N_("Unlink"), /* 17 */ - N_("Clear HTree index"),/* 18 */ - N_("Recreate"), /* 19 */ - "", /* 20 */ -}; - -/* - * These messages are printed when we are preen mode and we will be - * automatically fixing the problem. - */ -static const char * const preen_msg[] = { - N_("(NONE)"), /* 0 */ - N_("FIXED"), /* 1 */ - N_("CLEARED"), /* 2 */ - N_("RELOCATED"), /* 3 */ - N_("ALLOCATED"), /* 4 */ - N_("EXPANDED"), /* 5 */ - N_("RECONNECTED"), /* 6 */ - N_("CREATED"), /* 7 */ - N_("SALVAGED"), /* 8 */ - N_("TRUNCATED"), /* 9 */ - N_("INODE CLEARED"), /* 10 */ - N_("ABORTED"), /* 11 */ - N_("SPLIT"), /* 12 */ - N_("CONTINUING"), /* 13 */ - N_("MULTIPLY-CLAIMED BLOCKS CLONED"), /* 14 */ - N_("FILE DELETED"), /* 15 */ - N_("SUPPRESSED"), /* 16 */ - N_("UNLINKED"), /* 17 */ - N_("HTREE INDEX CLEARED"),/* 18 */ - N_("WILL RECREATE"), /* 19 */ - "", /* 20 */ -}; - -static const struct e2fsck_problem problem_table[] = { - - /* Pre-Pass 1 errors */ - - /* Block bitmap not in group */ - { PR_0_BB_NOT_GROUP, N_("@b @B for @g %g is not in @g. (@b %b)\n"), - PROMPT_RELOCATE, PR_LATCH_RELOC }, - - /* Inode bitmap not in group */ - { PR_0_IB_NOT_GROUP, N_("@i @B for @g %g is not in @g. (@b %b)\n"), - PROMPT_RELOCATE, PR_LATCH_RELOC }, - - /* Inode table not in group */ - { PR_0_ITABLE_NOT_GROUP, - N_("@i table for @g %g is not in @g. (@b %b)\n" - "WARNING: SEVERE DATA LOSS POSSIBLE.\n"), - PROMPT_RELOCATE, PR_LATCH_RELOC }, - - /* Superblock corrupt */ - { PR_0_SB_CORRUPT, - N_("\nThe @S could not be read or does not describe a correct ext2\n" - "@f. If the @v is valid and it really contains an ext2\n" - "@f (and not swap or ufs or something else), then the @S\n" - "is corrupt, and you might try running e2fsck with an alternate @S:\n" - " e2fsck -b %S <@v>\n\n"), - PROMPT_NONE, PR_FATAL }, - - /* Filesystem size is wrong */ - { PR_0_FS_SIZE_WRONG, - N_("The @f size (according to the @S) is %b @bs\n" - "The physical size of the @v is %c @bs\n" - "Either the @S or the partition table is likely to be corrupt!\n"), - PROMPT_ABORT, 0 }, - - /* Fragments not supported */ - { PR_0_NO_FRAGMENTS, - N_("@S @b_size = %b, fragsize = %c.\n" - "This version of e2fsck does not support fragment sizes different\n" - "from the @b size.\n"), - PROMPT_NONE, PR_FATAL }, - - /* Bad blocks_per_group */ - { PR_0_BLOCKS_PER_GROUP, - N_("@S @bs_per_group = %b, should have been %c\n"), - PROMPT_NONE, PR_AFTER_CODE, PR_0_SB_CORRUPT }, - - /* Bad first_data_block */ - { PR_0_FIRST_DATA_BLOCK, - N_("@S first_data_@b = %b, should have been %c\n"), - PROMPT_NONE, PR_AFTER_CODE, PR_0_SB_CORRUPT }, - - /* Adding UUID to filesystem */ - { PR_0_ADD_UUID, - N_("@f did not have a UUID; generating one.\n\n"), - PROMPT_NONE, 0 }, - - /* Relocate hint */ - { PR_0_RELOCATE_HINT, - N_("Note: if several inode or block bitmap blocks or part\n" - "of the inode table require relocation, you may wish to try\n" - "running e2fsck with the '-b %S' option first. The problem\n" - "may lie only with the primary block group descriptors, and\n" - "the backup block group descriptors may be OK.\n\n"), - PROMPT_NONE, PR_PREEN_OK | PR_NOCOLLATE }, - - /* Miscellaneous superblock corruption */ - { PR_0_MISC_CORRUPT_SUPER, - N_("Corruption found in @S. (%s = %N).\n"), - PROMPT_NONE, PR_AFTER_CODE, PR_0_SB_CORRUPT }, - - /* Error determing physical device size of filesystem */ - { PR_0_GETSIZE_ERROR, - N_("Error determining size of the physical @v: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Inode count in superblock is incorrect */ - { PR_0_INODE_COUNT_WRONG, - N_("@i count in @S is %i, @s %j.\n"), - PROMPT_FIX, 0 }, - - { PR_0_HURD_CLEAR_FILETYPE, - N_("The Hurd does not support the filetype feature.\n"), - PROMPT_CLEAR, 0 }, - - /* Journal inode is invalid */ - { PR_0_JOURNAL_BAD_INODE, - N_("@S has an @n ext3 @j (@i %i).\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* The external journal has (unsupported) multiple filesystems */ - { PR_0_JOURNAL_UNSUPP_MULTIFS, - N_("External @j has multiple @f users (unsupported).\n"), - PROMPT_NONE, PR_FATAL }, - - /* Can't find external journal */ - { PR_0_CANT_FIND_JOURNAL, - N_("Can't find external @j\n"), - PROMPT_NONE, PR_FATAL }, - - /* External journal has bad superblock */ - { PR_0_EXT_JOURNAL_BAD_SUPER, - N_("External @j has bad @S\n"), - PROMPT_NONE, PR_FATAL }, - - /* Superblock has a bad journal UUID */ - { PR_0_JOURNAL_BAD_UUID, - N_("External @j does not support this @f\n"), - PROMPT_NONE, PR_FATAL }, - - /* Journal has an unknown superblock type */ - { PR_0_JOURNAL_UNSUPP_SUPER, - N_("Ext3 @j @S is unknown type %N (unsupported).\n" - "It is likely that your copy of e2fsck is old and/or doesn't " - "support this @j format.\n" - "It is also possible the @j @S is corrupt.\n"), - PROMPT_ABORT, PR_NO_OK | PR_AFTER_CODE, PR_0_JOURNAL_BAD_SUPER }, - - /* Journal superblock is corrupt */ - { PR_0_JOURNAL_BAD_SUPER, - N_("Ext3 @j @S is corrupt.\n"), - PROMPT_FIX, PR_PREEN_OK }, - - /* Superblock flag should be cleared */ - { PR_0_JOURNAL_HAS_JOURNAL, - N_("@S doesn't have has_@j flag, but has ext3 @j %s.\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Superblock flag is incorrect */ - { PR_0_JOURNAL_RECOVER_SET, - N_("@S has ext3 needs_recovery flag set, but no @j.\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Journal has data, but recovery flag is clear */ - { PR_0_JOURNAL_RECOVERY_CLEAR, - N_("ext3 recovery flag is clear, but @j has data.\n"), - PROMPT_NONE, 0 }, - - /* Ask if we should clear the journal */ - { PR_0_JOURNAL_RESET_JOURNAL, - N_("Clear @j"), - PROMPT_NULL, PR_PREEN_NOMSG }, - - /* Ask if we should run the journal anyway */ - { PR_0_JOURNAL_RUN, - N_("Run @j anyway"), - PROMPT_NULL, 0 }, - - /* Run the journal by default */ - { PR_0_JOURNAL_RUN_DEFAULT, - N_("Recovery flag not set in backup @S, so running @j anyway.\n"), - PROMPT_NONE, 0 }, - - /* Clearing orphan inode */ - { PR_0_ORPHAN_CLEAR_INODE, - N_("%s @o @i %i (uid=%Iu, gid=%Ig, mode=%Im, size=%Is)\n"), - PROMPT_NONE, 0 }, - - /* Illegal block found in orphaned inode */ - { PR_0_ORPHAN_ILLEGAL_BLOCK_NUM, - N_("@I @b #%B (%b) found in @o @i %i.\n"), - PROMPT_NONE, 0 }, - - /* Already cleared block found in orphaned inode */ - { PR_0_ORPHAN_ALREADY_CLEARED_BLOCK, - N_("Already cleared @b #%B (%b) found in @o @i %i.\n"), - PROMPT_NONE, 0 }, - - /* Illegal orphan inode in superblock */ - { PR_0_ORPHAN_ILLEGAL_HEAD_INODE, - N_("@I @o @i %i in @S.\n"), - PROMPT_NONE, 0 }, - - /* Illegal inode in orphaned inode list */ - { PR_0_ORPHAN_ILLEGAL_INODE, - N_("@I @i %i in @o @i list.\n"), - PROMPT_NONE, 0 }, - - /* Filesystem revision is 0, but feature flags are set */ - { PR_0_FS_REV_LEVEL, - N_("@f has feature flag(s) set, but is a revision 0 @f. "), - PROMPT_FIX, PR_PREEN_OK | PR_NO_OK }, - - /* Journal superblock has an unknown read-only feature flag set */ - { PR_0_JOURNAL_UNSUPP_ROCOMPAT, - N_("Ext3 @j @S has an unknown read-only feature flag set.\n"), - PROMPT_ABORT, 0 }, - - /* Journal superblock has an unknown incompatible feature flag set */ - { PR_0_JOURNAL_UNSUPP_INCOMPAT, - N_("Ext3 @j @S has an unknown incompatible feature flag set.\n"), - PROMPT_ABORT, 0 }, - - /* Journal has unsupported version number */ - { PR_0_JOURNAL_UNSUPP_VERSION, - N_("@j version not supported by this e2fsck.\n"), - PROMPT_ABORT, 0 }, - - /* Moving journal to hidden file */ - { PR_0_MOVE_JOURNAL, - N_("Moving @j from /%s to hidden @i.\n\n"), - PROMPT_NONE, 0 }, - - /* Error moving journal to hidden file */ - { PR_0_ERR_MOVE_JOURNAL, - N_("Error moving @j: %m\n\n"), - PROMPT_NONE, 0 }, - - /* Clearing V2 journal superblock */ - { PR_0_CLEAR_V2_JOURNAL, - N_("Found @n V2 @j @S fields (from V1 @j).\n" - "Clearing fields beyond the V1 @j @S...\n\n"), - PROMPT_NONE, 0 }, - - /* Backup journal inode blocks */ - { PR_0_BACKUP_JNL, - N_("Backing up @j @i @b information.\n\n"), - PROMPT_NONE, 0 }, - - /* Reserved blocks w/o resize_inode */ - { PR_0_NONZERO_RESERVED_GDT_BLOCKS, - N_("@f does not have resize_@i enabled, but s_reserved_gdt_@bs\n" - "is %N; @s zero. "), - PROMPT_FIX, 0 }, - - /* Resize_inode not enabled, but resize inode is non-zero */ - { PR_0_CLEAR_RESIZE_INODE, - N_("Resize_@i not enabled, but the resize @i is non-zero. "), - PROMPT_CLEAR, 0 }, - - /* Resize inode invalid */ - { PR_0_RESIZE_INODE_INVALID, - N_("Resize @i not valid. "), - PROMPT_RECREATE, 0 }, - - /* Pass 1 errors */ - - /* Pass 1: Checking inodes, blocks, and sizes */ - { PR_1_PASS_HEADER, - N_("Pass 1: Checking @is, @bs, and sizes\n"), - PROMPT_NONE, 0 }, - - /* Root directory is not an inode */ - { PR_1_ROOT_NO_DIR, N_("@r is not a @d. "), - PROMPT_CLEAR, 0 }, - - /* Root directory has dtime set */ - { PR_1_ROOT_DTIME, - N_("@r has dtime set (probably due to old mke2fs). "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Reserved inode has bad mode */ - { PR_1_RESERVED_BAD_MODE, - N_("Reserved @i %i (%Q) has @n mode. "), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Deleted inode has zero dtime */ - { PR_1_ZERO_DTIME, - N_("@D @i %i has zero dtime. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Inode in use, but dtime set */ - { PR_1_SET_DTIME, - N_("@i %i is in use, but has dtime set. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Zero-length directory */ - { PR_1_ZERO_LENGTH_DIR, - N_("@i %i is a @z @d. "), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Block bitmap conflicts with some other fs block */ - { PR_1_BB_CONFLICT, - N_("@g %g's @b @B at %b @C.\n"), - PROMPT_RELOCATE, 0 }, - - /* Inode bitmap conflicts with some other fs block */ - { PR_1_IB_CONFLICT, - N_("@g %g's @i @B at %b @C.\n"), - PROMPT_RELOCATE, 0 }, - - /* Inode table conflicts with some other fs block */ - { PR_1_ITABLE_CONFLICT, - N_("@g %g's @i table at %b @C.\n"), - PROMPT_RELOCATE, 0 }, - - /* Block bitmap is on a bad block */ - { PR_1_BB_BAD_BLOCK, - N_("@g %g's @b @B (%b) is bad. "), - PROMPT_RELOCATE, 0 }, - - /* Inode bitmap is on a bad block */ - { PR_1_IB_BAD_BLOCK, - N_("@g %g's @i @B (%b) is bad. "), - PROMPT_RELOCATE, 0 }, - - /* Inode has incorrect i_size */ - { PR_1_BAD_I_SIZE, - N_("@i %i, i_size is %Is, @s %N. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Inode has incorrect i_blocks */ - { PR_1_BAD_I_BLOCKS, - N_("@i %i, i_@bs is %Ib, @s %N. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Illegal blocknumber in inode */ - { PR_1_ILLEGAL_BLOCK_NUM, - N_("@I @b #%B (%b) in @i %i. "), - PROMPT_CLEAR, PR_LATCH_BLOCK }, - - /* Block number overlaps fs metadata */ - { PR_1_BLOCK_OVERLAPS_METADATA, - N_("@b #%B (%b) overlaps @f metadata in @i %i. "), - PROMPT_CLEAR, PR_LATCH_BLOCK }, - - /* Inode has illegal blocks (latch question) */ - { PR_1_INODE_BLOCK_LATCH, - N_("@i %i has illegal @b(s). "), - PROMPT_CLEAR, 0 }, - - /* Too many bad blocks in inode */ - { PR_1_TOO_MANY_BAD_BLOCKS, - N_("Too many illegal @bs in @i %i.\n"), - PROMPT_CLEAR_INODE, PR_NO_OK }, - - /* Illegal block number in bad block inode */ - { PR_1_BB_ILLEGAL_BLOCK_NUM, - N_("@I @b #%B (%b) in bad @b @i. "), - PROMPT_CLEAR, PR_LATCH_BBLOCK }, - - /* Bad block inode has illegal blocks (latch question) */ - { PR_1_INODE_BBLOCK_LATCH, - N_("Bad @b @i has illegal @b(s). "), - PROMPT_CLEAR, 0 }, - - /* Duplicate or bad blocks in use! */ - { PR_1_DUP_BLOCKS_PREENSTOP, - N_("Duplicate or bad @b in use!\n"), - PROMPT_NONE, 0 }, - - /* Bad block used as bad block indirect block */ - { PR_1_BBINODE_BAD_METABLOCK, - N_("Bad @b %b used as bad @b @i indirect @b. "), - PROMPT_CLEAR, PR_LATCH_BBLOCK }, - - /* Inconsistency can't be fixed prompt */ - { PR_1_BBINODE_BAD_METABLOCK_PROMPT, - N_("\nThe bad @b @i has probably been corrupted. You probably\n" - "should stop now and run ""e2fsck -c"" to scan for bad blocks\n" - "in the @f.\n"), - PROMPT_CONTINUE, PR_PREEN_NOMSG }, - - /* Bad primary block */ - { PR_1_BAD_PRIMARY_BLOCK, - N_("\nIf the @b is really bad, the @f cannot be fixed.\n"), - PROMPT_NONE, PR_AFTER_CODE, PR_1_BAD_PRIMARY_BLOCK_PROMPT }, - - /* Bad primary block prompt */ - { PR_1_BAD_PRIMARY_BLOCK_PROMPT, - N_("You can remove this @b from the bad @b list and hope\n" - "that the @b is really OK. But there are no guarantees.\n\n"), - PROMPT_CLEAR, PR_PREEN_NOMSG }, - - /* Bad primary superblock */ - { PR_1_BAD_PRIMARY_SUPERBLOCK, - N_("The primary @S (%b) is on the bad @b list.\n"), - PROMPT_NONE, PR_AFTER_CODE, PR_1_BAD_PRIMARY_BLOCK }, - - /* Bad primary block group descriptors */ - { PR_1_BAD_PRIMARY_GROUP_DESCRIPTOR, - N_("Block %b in the primary @g descriptors " - "is on the bad @b list\n"), - PROMPT_NONE, PR_AFTER_CODE, PR_1_BAD_PRIMARY_BLOCK }, - - /* Bad superblock in group */ - { PR_1_BAD_SUPERBLOCK, - N_("Warning: Group %g's @S (%b) is bad.\n"), - PROMPT_NONE, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Bad block group descriptors in group */ - { PR_1_BAD_GROUP_DESCRIPTORS, - N_("Warning: Group %g's copy of the @g descriptors has a bad " - "@b (%b).\n"), - PROMPT_NONE, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Block claimed for no reason */ - { PR_1_PROGERR_CLAIMED_BLOCK, - N_("Programming error? @b #%b claimed for no reason in " - "process_bad_@b.\n"), - PROMPT_NONE, PR_PREEN_OK }, - - /* Error allocating blocks for relocating metadata */ - { PR_1_RELOC_BLOCK_ALLOCATE, - N_("@A %N contiguous @b(s) in @b @g %g for %s: %m\n"), - PROMPT_NONE, PR_PREEN_OK }, - - /* Error allocating block buffer during relocation process */ - { PR_1_RELOC_MEMORY_ALLOCATE, - N_("@A @b buffer for relocating %s\n"), - PROMPT_NONE, PR_PREEN_OK }, - - /* Relocating metadata group information from X to Y */ - { PR_1_RELOC_FROM_TO, - N_("Relocating @g %g's %s from %b to %c...\n"), - PROMPT_NONE, PR_PREEN_OK }, - - /* Relocating metatdata group information to X */ - { PR_1_RELOC_TO, - N_("Relocating @g %g's %s to %c...\n"), /* xgettext:no-c-format */ - PROMPT_NONE, PR_PREEN_OK }, - - /* Block read error during relocation process */ - { PR_1_RELOC_READ_ERR, - N_("Warning: could not read @b %b of %s: %m\n"), - PROMPT_NONE, PR_PREEN_OK }, - - /* Block write error during relocation process */ - { PR_1_RELOC_WRITE_ERR, - N_("Warning: could not write @b %b for %s: %m\n"), - PROMPT_NONE, PR_PREEN_OK }, - - /* Error allocating inode bitmap */ - { PR_1_ALLOCATE_IBITMAP_ERROR, - N_("@A @i @B (%N): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error allocating block bitmap */ - { PR_1_ALLOCATE_BBITMAP_ERROR, - N_("@A @b @B (%N): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error allocating icount structure */ - { PR_1_ALLOCATE_ICOUNT, - N_("@A icount link information: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error allocating dbcount */ - { PR_1_ALLOCATE_DBCOUNT, - N_("@A @d @b array: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error while scanning inodes */ - { PR_1_ISCAN_ERROR, - N_("Error while scanning @is (%i): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error while iterating over blocks */ - { PR_1_BLOCK_ITERATE, - N_("Error while iterating over @bs in @i %i: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error while storing inode count information */ - { PR_1_ICOUNT_STORE, - N_("Error storing @i count information (@i=%i, count=%N): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error while storing directory block information */ - { PR_1_ADD_DBLOCK, - N_("Error storing @d @b information " - "(@i=%i, @b=%b, num=%N): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error while reading inode (for clearing) */ - { PR_1_READ_INODE, - N_("Error reading @i %i: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Suppress messages prompt */ - { PR_1_SUPPRESS_MESSAGES, "", PROMPT_SUPPRESS, PR_NO_OK }, - - /* Imagic flag set on an inode when filesystem doesn't support it */ - { PR_1_SET_IMAGIC, - N_("@i %i has imagic flag set. "), - PROMPT_CLEAR, 0 }, - - /* Immutable flag set on a device or socket inode */ - { PR_1_SET_IMMUTABLE, - N_("Special (@v/socket/fifo/symlink) file (@i %i) has immutable\n" - "or append-only flag set. "), - PROMPT_CLEAR, PR_PREEN_OK | PR_PREEN_NO | PR_NO_OK }, - - /* Compression flag set on an inode when filesystem doesn't support it */ - { PR_1_COMPR_SET, - N_("@i %i has @cion flag set on @f without @cion support. "), - PROMPT_CLEAR, 0 }, - - /* Non-zero size for device, fifo or socket inode */ - { PR_1_SET_NONZSIZE, - N_("Special (@v/socket/fifo) @i %i has non-zero size. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Filesystem revision is 0, but feature flags are set */ - { PR_1_FS_REV_LEVEL, - N_("@f has feature flag(s) set, but is a revision 0 @f. "), - PROMPT_FIX, PR_PREEN_OK | PR_NO_OK }, - - /* Journal inode is not in use, but contains data */ - { PR_1_JOURNAL_INODE_NOT_CLEAR, - N_("@j @i is not in use, but contains data. "), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Journal has bad mode */ - { PR_1_JOURNAL_BAD_MODE, - N_("@j is not regular file. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Deal with inodes that were part of orphan linked list */ - { PR_1_LOW_DTIME, - N_("@i %i was part of the @o @i list. "), - PROMPT_FIX, PR_LATCH_LOW_DTIME, 0 }, - - /* Deal with inodes that were part of corrupted orphan linked - list (latch question) */ - { PR_1_ORPHAN_LIST_REFUGEES, - N_("@is that were part of a corrupted orphan linked list found. "), - PROMPT_FIX, 0 }, - - /* Error allocating refcount structure */ - { PR_1_ALLOCATE_REFCOUNT, - N_("@A refcount structure (%N): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error reading extended attribute block */ - { PR_1_READ_EA_BLOCK, - N_("Error reading @a @b %b for @i %i. "), - PROMPT_CLEAR, 0 }, - - /* Invalid extended attribute block */ - { PR_1_BAD_EA_BLOCK, - N_("@i %i has a bad @a @b %b. "), - PROMPT_CLEAR, 0 }, - - /* Error reading Extended Attribute block while fixing refcount */ - { PR_1_EXTATTR_READ_ABORT, - N_("Error reading @a @b %b (%m). "), - PROMPT_ABORT, 0 }, - - /* Extended attribute reference count incorrect */ - { PR_1_EXTATTR_REFCOUNT, - N_("@a @b %b has reference count %B, @s %N. "), - PROMPT_FIX, 0 }, - - /* Error writing Extended Attribute block while fixing refcount */ - { PR_1_EXTATTR_WRITE, - N_("Error writing @a @b %b (%m). "), - PROMPT_ABORT, 0 }, - - /* Multiple EA blocks not supported */ - { PR_1_EA_MULTI_BLOCK, - N_("@a @b %b has h_@bs > 1. "), - PROMPT_CLEAR, 0}, - - /* Error allocating EA region allocation structure */ - { PR_1_EA_ALLOC_REGION, - N_("@A @a @b %b. "), - PROMPT_ABORT, 0}, - - /* Error EA allocation collision */ - { PR_1_EA_ALLOC_COLLISION, - N_("@a @b %b is corrupt (allocation collision). "), - PROMPT_CLEAR, 0}, - - /* Bad extended attribute name */ - { PR_1_EA_BAD_NAME, - N_("@a @b %b is corrupt (@n name). "), - PROMPT_CLEAR, 0}, - - /* Bad extended attribute value */ - { PR_1_EA_BAD_VALUE, - N_("@a @b %b is corrupt (@n value). "), - PROMPT_CLEAR, 0}, - - /* Inode too big (latch question) */ - { PR_1_INODE_TOOBIG, - N_("@i %i is too big. "), PROMPT_TRUNCATE, 0 }, - - /* Directory too big */ - { PR_1_TOOBIG_DIR, - N_("@b #%B (%b) causes @d to be too big. "), - PROMPT_CLEAR, PR_LATCH_TOOBIG }, - - /* Regular file too big */ - { PR_1_TOOBIG_REG, - N_("@b #%B (%b) causes file to be too big. "), - PROMPT_CLEAR, PR_LATCH_TOOBIG }, - - /* Symlink too big */ - { PR_1_TOOBIG_SYMLINK, - N_("@b #%B (%b) causes symlink to be too big. "), - PROMPT_CLEAR, PR_LATCH_TOOBIG }, - - /* INDEX_FL flag set on a non-HTREE filesystem */ - { PR_1_HTREE_SET, - N_("@i %i has INDEX_FL flag set on @f without htree support.\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* INDEX_FL flag set on a non-directory */ - { PR_1_HTREE_NODIR, - N_("@i %i has INDEX_FL flag set but is not a @d.\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Invalid root node in HTREE directory */ - { PR_1_HTREE_BADROOT, - N_("@h %i has an @n root node.\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Unsupported hash version in HTREE directory */ - { PR_1_HTREE_HASHV, - N_("@h %i has an unsupported hash version (%N)\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Incompatible flag in HTREE root node */ - { PR_1_HTREE_INCOMPAT, - N_("@h %i uses an incompatible htree root node flag.\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* HTREE too deep */ - { PR_1_HTREE_DEPTH, - N_("@h %i has a tree depth (%N) which is too big\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Bad block has indirect block that conflicts with filesystem block */ - { PR_1_BB_FS_BLOCK, - N_("Bad @b @i has an indirect @b (%b) that conflicts with\n" - "@f metadata. "), - PROMPT_CLEAR, PR_LATCH_BBLOCK }, - - /* Resize inode failed */ - { PR_1_RESIZE_INODE_CREATE, - N_("Resize @i (re)creation failed: %m."), - PROMPT_ABORT, 0 }, - - /* invalid inode->i_extra_isize */ - { PR_1_EXTRA_ISIZE, - N_("@i %i has a extra size (%IS) which is @n\n"), - PROMPT_FIX, PR_PREEN_OK }, - - /* invalid ea entry->e_name_len */ - { PR_1_ATTR_NAME_LEN, - N_("@a in @i %i has a namelen (%N) which is @n\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* invalid ea entry->e_value_size */ - { PR_1_ATTR_VALUE_SIZE, - N_("@a in @i %i has a value size (%N) which is @n\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* invalid ea entry->e_value_offs */ - { PR_1_ATTR_VALUE_OFFSET, - N_("@a in @i %i has a value offset (%N) which is @n\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* invalid ea entry->e_value_block */ - { PR_1_ATTR_VALUE_BLOCK, - N_("@a in @i %i has a value @b (%N) which is @n (must be 0)\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* invalid ea entry->e_hash */ - { PR_1_ATTR_HASH, - N_("@a in @i %i has a hash (%N) which is @n (must be 0)\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Pass 1b errors */ - - /* Pass 1B: Rescan for duplicate/bad blocks */ - { PR_1B_PASS_HEADER, - N_("\nRunning additional passes to resolve @bs claimed by more than one @i...\n" - "Pass 1B: Rescanning for @m @bs\n"), - PROMPT_NONE, 0 }, - - /* Duplicate/bad block(s) header */ - { PR_1B_DUP_BLOCK_HEADER, - N_("@m @b(s) in @i %i:"), - PROMPT_NONE, 0 }, - - /* Duplicate/bad block(s) in inode */ - { PR_1B_DUP_BLOCK, - " %b", - PROMPT_NONE, PR_LATCH_DBLOCK | PR_PREEN_NOHDR }, - - /* Duplicate/bad block(s) end */ - { PR_1B_DUP_BLOCK_END, - "\n", - PROMPT_NONE, PR_PREEN_NOHDR }, - - /* Error while scanning inodes */ - { PR_1B_ISCAN_ERROR, - N_("Error while scanning inodes (%i): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error allocating inode bitmap */ - { PR_1B_ALLOCATE_IBITMAP_ERROR, - N_("@A @i @B (@i_dup_map): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error while iterating over blocks */ - { PR_1B_BLOCK_ITERATE, - N_("Error while iterating over @bs in @i %i (%s): %m\n"), - PROMPT_NONE, 0 }, - - /* Error adjusting EA refcount */ - { PR_1B_ADJ_EA_REFCOUNT, - N_("Error adjusting refcount for @a @b %b (@i %i): %m\n"), - PROMPT_NONE, 0 }, - - - /* Pass 1C: Scan directories for inodes with multiply-claimed blocks. */ - { PR_1C_PASS_HEADER, - N_("Pass 1C: Scanning directories for @is with @m @bs.\n"), - PROMPT_NONE, 0 }, - - - /* Pass 1D: Reconciling multiply-claimed blocks */ - { PR_1D_PASS_HEADER, - N_("Pass 1D: Reconciling @m @bs\n"), - PROMPT_NONE, 0 }, - - /* File has duplicate blocks */ - { PR_1D_DUP_FILE, - N_("File %Q (@i #%i, mod time %IM)\n" - " has %B @m @b(s), shared with %N file(s):\n"), - PROMPT_NONE, 0 }, - - /* List of files sharing duplicate blocks */ - { PR_1D_DUP_FILE_LIST, - N_("\t%Q (@i #%i, mod time %IM)\n"), - PROMPT_NONE, 0 }, - - /* File sharing blocks with filesystem metadata */ - { PR_1D_SHARE_METADATA, - N_("\t<@f metadata>\n"), - PROMPT_NONE, 0 }, - - /* Report of how many duplicate/bad inodes */ - { PR_1D_NUM_DUP_INODES, - N_("(There are %N @is containing @m @bs.)\n\n"), - PROMPT_NONE, 0 }, - - /* Duplicated blocks already reassigned or cloned. */ - { PR_1D_DUP_BLOCKS_DEALT, - N_("@m @bs already reassigned or cloned.\n\n"), - PROMPT_NONE, 0 }, - - /* Clone duplicate/bad blocks? */ - { PR_1D_CLONE_QUESTION, - "", PROMPT_CLONE, PR_NO_OK }, - - /* Delete file? */ - { PR_1D_DELETE_QUESTION, - "", PROMPT_DELETE, 0 }, - - /* Couldn't clone file (error) */ - { PR_1D_CLONE_ERROR, - N_("Couldn't clone file: %m\n"), PROMPT_NONE, 0 }, - - /* Pass 2 errors */ - - /* Pass 2: Checking directory structure */ - { PR_2_PASS_HEADER, - N_("Pass 2: Checking @d structure\n"), - PROMPT_NONE, 0 }, - - /* Bad inode number for '.' */ - { PR_2_BAD_INODE_DOT, - N_("@n @i number for '.' in @d @i %i.\n"), - PROMPT_FIX, 0 }, - - /* Directory entry has bad inode number */ - { PR_2_BAD_INO, - N_("@E has @n @i #: %Di.\n"), - PROMPT_CLEAR, 0 }, - - /* Directory entry has deleted or unused inode */ - { PR_2_UNUSED_INODE, - N_("@E has @D/unused @i %Di. "), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Directry entry is link to '.' */ - { PR_2_LINK_DOT, - N_("@E @L to '.' "), - PROMPT_CLEAR, 0 }, - - /* Directory entry points to inode now located in a bad block */ - { PR_2_BB_INODE, - N_("@E points to @i (%Di) located in a bad @b.\n"), - PROMPT_CLEAR, 0 }, - - /* Directory entry contains a link to a directory */ - { PR_2_LINK_DIR, - N_("@E @L to @d %P (%Di).\n"), - PROMPT_CLEAR, 0 }, - - /* Directory entry contains a link to the root directry */ - { PR_2_LINK_ROOT, - N_("@E @L to the @r.\n"), - PROMPT_CLEAR, 0 }, - - /* Directory entry has illegal characters in its name */ - { PR_2_BAD_NAME, - N_("@E has illegal characters in its name.\n"), - PROMPT_FIX, 0 }, - - /* Missing '.' in directory inode */ - { PR_2_MISSING_DOT, - N_("Missing '.' in @d @i %i.\n"), - PROMPT_FIX, 0 }, - - /* Missing '..' in directory inode */ - { PR_2_MISSING_DOT_DOT, - N_("Missing '..' in @d @i %i.\n"), - PROMPT_FIX, 0 }, - - /* First entry in directory inode doesn't contain '.' */ - { PR_2_1ST_NOT_DOT, - N_("First @e '%Dn' (@i=%Di) in @d @i %i (%p) @s '.'\n"), - PROMPT_FIX, 0 }, - - /* Second entry in directory inode doesn't contain '..' */ - { PR_2_2ND_NOT_DOT_DOT, - N_("Second @e '%Dn' (@i=%Di) in @d @i %i @s '..'\n"), - PROMPT_FIX, 0 }, - - /* i_faddr should be zero */ - { PR_2_FADDR_ZERO, - N_("i_faddr @F %IF, @s zero.\n"), - PROMPT_CLEAR, 0 }, - - /* i_file_acl should be zero */ - { PR_2_FILE_ACL_ZERO, - N_("i_file_acl @F %If, @s zero.\n"), - PROMPT_CLEAR, 0 }, - - /* i_dir_acl should be zero */ - { PR_2_DIR_ACL_ZERO, - N_("i_dir_acl @F %Id, @s zero.\n"), - PROMPT_CLEAR, 0 }, - - /* i_frag should be zero */ - { PR_2_FRAG_ZERO, - N_("i_frag @F %N, @s zero.\n"), - PROMPT_CLEAR, 0 }, - - /* i_fsize should be zero */ - { PR_2_FSIZE_ZERO, - N_("i_fsize @F %N, @s zero.\n"), - PROMPT_CLEAR, 0 }, - - /* inode has bad mode */ - { PR_2_BAD_MODE, - N_("@i %i (%Q) has @n mode (%Im).\n"), - PROMPT_CLEAR, 0 }, - - /* directory corrupted */ - { PR_2_DIR_CORRUPTED, - N_("@d @i %i, @b %B, offset %N: @d corrupted\n"), - PROMPT_SALVAGE, 0 }, - - /* filename too long */ - { PR_2_FILENAME_LONG, - N_("@d @i %i, @b %B, offset %N: filename too long\n"), - PROMPT_TRUNCATE, 0 }, - - /* Directory inode has a missing block (hole) */ - { PR_2_DIRECTORY_HOLE, - N_("@d @i %i has an unallocated @b #%B. "), - PROMPT_ALLOCATE, 0 }, - - /* '.' is not NULL terminated */ - { PR_2_DOT_NULL_TERM, - N_("'.' @d @e in @d @i %i is not NULL terminated\n"), - PROMPT_FIX, 0 }, - - /* '..' is not NULL terminated */ - { PR_2_DOT_DOT_NULL_TERM, - N_("'..' @d @e in @d @i %i is not NULL terminated\n"), - PROMPT_FIX, 0 }, - - /* Illegal character device inode */ - { PR_2_BAD_CHAR_DEV, - N_("@i %i (%Q) is an @I character @v.\n"), - PROMPT_CLEAR, 0 }, - - /* Illegal block device inode */ - { PR_2_BAD_BLOCK_DEV, - N_("@i %i (%Q) is an @I @b @v.\n"), - PROMPT_CLEAR, 0 }, - - /* Duplicate '.' entry */ - { PR_2_DUP_DOT, - N_("@E is duplicate '.' @e.\n"), - PROMPT_FIX, 0 }, - - /* Duplicate '..' entry */ - { PR_2_DUP_DOT_DOT, - N_("@E is duplicate '..' @e.\n"), - PROMPT_FIX, 0 }, - - /* Internal error: couldn't find dir_info */ - { PR_2_NO_DIRINFO, - N_("Internal error: cannot find dir_info for %i.\n"), - PROMPT_NONE, PR_FATAL }, - - /* Final rec_len is wrong */ - { PR_2_FINAL_RECLEN, - N_("@E has rec_len of %Dr, @s %N.\n"), - PROMPT_FIX, 0 }, - - /* Error allocating icount structure */ - { PR_2_ALLOCATE_ICOUNT, - N_("@A icount structure: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error iterating over directory blocks */ - { PR_2_DBLIST_ITERATE, - N_("Error iterating over @d @bs: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error reading directory block */ - { PR_2_READ_DIRBLOCK, - N_("Error reading @d @b %b (@i %i): %m\n"), - PROMPT_CONTINUE, 0 }, - - /* Error writing directory block */ - { PR_2_WRITE_DIRBLOCK, - N_("Error writing @d @b %b (@i %i): %m\n"), - PROMPT_CONTINUE, 0 }, - - /* Error allocating new directory block */ - { PR_2_ALLOC_DIRBOCK, - N_("@A new @d @b for @i %i (%s): %m\n"), - PROMPT_NONE, 0 }, - - /* Error deallocating inode */ - { PR_2_DEALLOC_INODE, - N_("Error deallocating @i %i: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Directory entry for '.' is big. Split? */ - { PR_2_SPLIT_DOT, - N_("@d @e for '.' is big. "), - PROMPT_SPLIT, PR_NO_OK }, - - /* Illegal FIFO inode */ - { PR_2_BAD_FIFO, - N_("@i %i (%Q) is an @I FIFO.\n"), - PROMPT_CLEAR, 0 }, - - /* Illegal socket inode */ - { PR_2_BAD_SOCKET, - N_("@i %i (%Q) is an @I socket.\n"), - PROMPT_CLEAR, 0 }, - - /* Directory filetype not set */ - { PR_2_SET_FILETYPE, - N_("Setting filetype for @E to %N.\n"), - PROMPT_NONE, PR_PREEN_OK | PR_NO_OK | PR_NO_NOMSG }, - - /* Directory filetype incorrect */ - { PR_2_BAD_FILETYPE, - N_("@E has an incorrect filetype (was %Dt, @s %N).\n"), - PROMPT_FIX, 0 }, - - /* Directory filetype set on filesystem */ - { PR_2_CLEAR_FILETYPE, - N_("@E has filetype set.\n"), - PROMPT_CLEAR, PR_PREEN_OK }, - - /* Directory filename is null */ - { PR_2_NULL_NAME, - N_("@E has a @z name.\n"), - PROMPT_CLEAR, 0 }, - - /* Invalid symlink */ - { PR_2_INVALID_SYMLINK, - N_("Symlink %Q (@i #%i) is @n.\n"), - PROMPT_CLEAR, 0 }, - - /* i_file_acl (extended attribute block) is bad */ - { PR_2_FILE_ACL_BAD, - N_("@a @b @F @n (%If).\n"), - PROMPT_CLEAR, 0 }, - - /* Filesystem contains large files, but has no such flag in sb */ - { PR_2_FEATURE_LARGE_FILES, - N_("@f contains large files, but lacks LARGE_FILE flag in @S.\n"), - PROMPT_FIX, 0 }, - - /* Node in HTREE directory not referenced */ - { PR_2_HTREE_NOTREF, - N_("@p @h %d: node (%B) not referenced\n"), - PROMPT_NONE, 0 }, - - /* Node in HTREE directory referenced twice */ - { PR_2_HTREE_DUPREF, - N_("@p @h %d: node (%B) referenced twice\n"), - PROMPT_NONE, 0 }, - - /* Node in HTREE directory has bad min hash */ - { PR_2_HTREE_MIN_HASH, - N_("@p @h %d: node (%B) has bad min hash\n"), - PROMPT_NONE, 0 }, - - /* Node in HTREE directory has bad max hash */ - { PR_2_HTREE_MAX_HASH, - N_("@p @h %d: node (%B) has bad max hash\n"), - PROMPT_NONE, 0 }, - - /* Clear invalid HTREE directory */ - { PR_2_HTREE_CLEAR, - N_("@n @h %d (%q). "), PROMPT_CLEAR, 0 }, - - /* Bad block in htree interior node */ - { PR_2_HTREE_BADBLK, - N_("@p @h %d (%q): bad @b number %b.\n"), - PROMPT_CLEAR_HTREE, 0 }, - - /* Error adjusting EA refcount */ - { PR_2_ADJ_EA_REFCOUNT, - N_("Error adjusting refcount for @a @b %b (@i %i): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Invalid HTREE root node */ - { PR_2_HTREE_BAD_ROOT, - N_("@p @h %d: root node is @n\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Invalid HTREE limit */ - { PR_2_HTREE_BAD_LIMIT, - N_("@p @h %d: node (%B) has @n limit (%N)\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Invalid HTREE count */ - { PR_2_HTREE_BAD_COUNT, - N_("@p @h %d: node (%B) has @n count (%N)\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* HTREE interior node has out-of-order hashes in table */ - { PR_2_HTREE_HASH_ORDER, - N_("@p @h %d: node (%B) has an unordered hash table\n"), - PROMPT_CLEAR_HTREE, PR_PREEN_OK }, - - /* Node in HTREE directory has invalid depth */ - { PR_2_HTREE_BAD_DEPTH, - N_("@p @h %d: node (%B) has @n depth\n"), - PROMPT_NONE, 0 }, - - /* Duplicate directory entry found */ - { PR_2_DUPLICATE_DIRENT, - N_("Duplicate @E found. "), - PROMPT_CLEAR, 0 }, - - /* Non-unique filename found */ - { PR_2_NON_UNIQUE_FILE, /* xgettext: no-c-format */ - N_("@E has a non-unique filename.\nRename to %s"), - PROMPT_NULL, 0 }, - - /* Duplicate directory entry found */ - { PR_2_REPORT_DUP_DIRENT, - N_("Duplicate @e '%Dn' found.\n\tMarking %p (%i) to be rebuilt.\n\n"), - PROMPT_NONE, 0 }, - - /* Pass 3 errors */ - - /* Pass 3: Checking directory connectivity */ - { PR_3_PASS_HEADER, - N_("Pass 3: Checking @d connectivity\n"), - PROMPT_NONE, 0 }, - - /* Root inode not allocated */ - { PR_3_NO_ROOT_INODE, - N_("@r not allocated. "), - PROMPT_ALLOCATE, 0 }, - - /* No room in lost+found */ - { PR_3_EXPAND_LF_DIR, - N_("No room in @l @d. "), - PROMPT_EXPAND, 0 }, - - /* Unconnected directory inode */ - { PR_3_UNCONNECTED_DIR, - N_("Unconnected @d @i %i (%p)\n"), - PROMPT_CONNECT, 0 }, - - /* /lost+found not found */ - { PR_3_NO_LF_DIR, - N_("/@l not found. "), - PROMPT_CREATE, PR_PREEN_OK }, - - /* .. entry is incorrect */ - { PR_3_BAD_DOT_DOT, - N_("'..' in %Q (%i) is %P (%j), @s %q (%d).\n"), - PROMPT_FIX, 0 }, - - /* Bad or non-existent /lost+found. Cannot reconnect */ - { PR_3_NO_LPF, - N_("Bad or non-existent /@l. Cannot reconnect.\n"), - PROMPT_NONE, 0 }, - - /* Could not expand /lost+found */ - { PR_3_CANT_EXPAND_LPF, - N_("Could not expand /@l: %m\n"), - PROMPT_NONE, 0 }, - - /* Could not reconnect inode */ - { PR_3_CANT_RECONNECT, - N_("Could not reconnect %i: %m\n"), - PROMPT_NONE, 0 }, - - /* Error while trying to find /lost+found */ - { PR_3_ERR_FIND_LPF, - N_("Error while trying to find /@l: %m\n"), - PROMPT_NONE, 0 }, - - /* Error in ext2fs_new_block while creating /lost+found */ - { PR_3_ERR_LPF_NEW_BLOCK, - N_("ext2fs_new_@b: %m while trying to create /@l @d\n"), - PROMPT_NONE, 0 }, - - /* Error in ext2fs_new_inode while creating /lost+found */ - { PR_3_ERR_LPF_NEW_INODE, - N_("ext2fs_new_@i: %m while trying to create /@l @d\n"), - PROMPT_NONE, 0 }, - - /* Error in ext2fs_new_dir_block while creating /lost+found */ - { PR_3_ERR_LPF_NEW_DIR_BLOCK, - N_("ext2fs_new_dir_@b: %m while creating new @d @b\n"), - PROMPT_NONE, 0 }, - - /* Error while writing directory block for /lost+found */ - { PR_3_ERR_LPF_WRITE_BLOCK, - N_("ext2fs_write_dir_@b: %m while writing the @d @b for /@l\n"), - PROMPT_NONE, 0 }, - - /* Error while adjusting inode count */ - { PR_3_ADJUST_INODE, - N_("Error while adjusting @i count on @i %i\n"), - PROMPT_NONE, 0 }, - - /* Couldn't fix parent directory -- error */ - { PR_3_FIX_PARENT_ERR, - N_("Couldn't fix parent of @i %i: %m\n\n"), - PROMPT_NONE, 0 }, - - /* Couldn't fix parent directory -- couldn't find it */ - { PR_3_FIX_PARENT_NOFIND, - N_("Couldn't fix parent of @i %i: Couldn't find parent @d @e\n\n"), - PROMPT_NONE, 0 }, - - /* Error allocating inode bitmap */ - { PR_3_ALLOCATE_IBITMAP_ERROR, - N_("@A @i @B (%N): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error creating root directory */ - { PR_3_CREATE_ROOT_ERROR, - N_("Error creating root @d (%s): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error creating lost and found directory */ - { PR_3_CREATE_LPF_ERROR, - N_("Error creating /@l @d (%s): %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Root inode is not directory; aborting */ - { PR_3_ROOT_NOT_DIR_ABORT, - N_("@r is not a @d; aborting.\n"), - PROMPT_NONE, PR_FATAL }, - - /* Cannot proceed without a root inode. */ - { PR_3_NO_ROOT_INODE_ABORT, - N_("Cannot proceed without a @r.\n"), - PROMPT_NONE, PR_FATAL }, - - /* Internal error: couldn't find dir_info */ - { PR_3_NO_DIRINFO, - N_("Internal error: cannot find dir_info for %i.\n"), - PROMPT_NONE, PR_FATAL }, - - /* Lost+found not a directory */ - { PR_3_LPF_NOTDIR, - N_("/@l is not a @d (ino=%i)\n"), - PROMPT_UNLINK, 0 }, - - /* Pass 3A Directory Optimization */ - - /* Pass 3A: Optimizing directories */ - { PR_3A_PASS_HEADER, - N_("Pass 3A: Optimizing directories\n"), - PROMPT_NONE, PR_PREEN_NOMSG }, - - /* Error iterating over directories */ - { PR_3A_OPTIMIZE_ITER, - N_("Failed to create dirs_to_hash iterator: %m"), - PROMPT_NONE, 0 }, - - /* Error rehash directory */ - { PR_3A_OPTIMIZE_DIR_ERR, - N_("Failed to optimize directory %q (%d): %m"), - PROMPT_NONE, 0 }, - - /* Rehashing dir header */ - { PR_3A_OPTIMIZE_DIR_HEADER, - N_("Optimizing directories: "), - PROMPT_NONE, PR_MSG_ONLY }, - - /* Rehashing directory %d */ - { PR_3A_OPTIMIZE_DIR, - " %d", - PROMPT_NONE, PR_LATCH_OPTIMIZE_DIR | PR_PREEN_NOHDR}, - - /* Rehashing dir end */ - { PR_3A_OPTIMIZE_DIR_END, - "\n", - PROMPT_NONE, PR_PREEN_NOHDR }, - - /* Pass 4 errors */ - - /* Pass 4: Checking reference counts */ - { PR_4_PASS_HEADER, - N_("Pass 4: Checking reference counts\n"), - PROMPT_NONE, 0 }, - - /* Unattached zero-length inode */ - { PR_4_ZERO_LEN_INODE, - N_("@u @z @i %i. "), - PROMPT_CLEAR, PR_PREEN_OK|PR_NO_OK }, - - /* Unattached inode */ - { PR_4_UNATTACHED_INODE, - N_("@u @i %i\n"), - PROMPT_CONNECT, 0 }, - - /* Inode ref count wrong */ - { PR_4_BAD_REF_COUNT, - N_("@i %i ref count is %Il, @s %N. "), - PROMPT_FIX, PR_PREEN_OK }, - - { PR_4_INCONSISTENT_COUNT, - N_("WARNING: PROGRAMMING BUG IN E2FSCK!\n" - "\tOR SOME BONEHEAD (YOU) IS CHECKING A MOUNTED (LIVE) FILESYSTEM.\n" - "@i_link_info[%i] is %N, @i.i_links_count is %Il. " - "They @s the same!\n"), - PROMPT_NONE, 0 }, - - /* Pass 5 errors */ - - /* Pass 5: Checking group summary information */ - { PR_5_PASS_HEADER, - N_("Pass 5: Checking @g summary information\n"), - PROMPT_NONE, 0 }, - - /* Padding at end of inode bitmap is not set. */ - { PR_5_INODE_BMAP_PADDING, - N_("Padding at end of @i @B is not set. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Padding at end of block bitmap is not set. */ - { PR_5_BLOCK_BMAP_PADDING, - N_("Padding at end of @b @B is not set. "), - PROMPT_FIX, PR_PREEN_OK }, - - /* Block bitmap differences header */ - { PR_5_BLOCK_BITMAP_HEADER, - N_("@b @B differences: "), - PROMPT_NONE, PR_PREEN_OK | PR_PREEN_NOMSG}, - - /* Block not used, but marked in bitmap */ - { PR_5_BLOCK_UNUSED, - " -%b", - PROMPT_NONE, PR_LATCH_BBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Block used, but not marked used in bitmap */ - { PR_5_BLOCK_USED, - " +%b", - PROMPT_NONE, PR_LATCH_BBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Block bitmap differences end */ - { PR_5_BLOCK_BITMAP_END, - "\n", - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Inode bitmap differences header */ - { PR_5_INODE_BITMAP_HEADER, - N_("@i @B differences: "), - PROMPT_NONE, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Inode not used, but marked in bitmap */ - { PR_5_INODE_UNUSED, - " -%i", - PROMPT_NONE, PR_LATCH_IBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Inode used, but not marked used in bitmap */ - { PR_5_INODE_USED, - " +%i", - PROMPT_NONE, PR_LATCH_IBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Inode bitmap differences end */ - { PR_5_INODE_BITMAP_END, - "\n", - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Free inodes count for group wrong */ - { PR_5_FREE_INODE_COUNT_GROUP, - N_("Free @is count wrong for @g #%g (%i, counted=%j).\n"), - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Directories count for group wrong */ - { PR_5_FREE_DIR_COUNT_GROUP, - N_("Directories count wrong for @g #%g (%i, counted=%j).\n"), - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Free inodes count wrong */ - { PR_5_FREE_INODE_COUNT, - N_("Free @is count wrong (%i, counted=%j).\n"), - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Free blocks count for group wrong */ - { PR_5_FREE_BLOCK_COUNT_GROUP, - N_("Free @bs count wrong for @g #%g (%b, counted=%c).\n"), - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Free blocks count wrong */ - { PR_5_FREE_BLOCK_COUNT, - N_("Free @bs count wrong (%b, counted=%c).\n"), - PROMPT_FIX, PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Programming error: bitmap endpoints don't match */ - { PR_5_BMAP_ENDPOINTS, - N_("PROGRAMMING ERROR: @f (#%N) @B endpoints (%b, %c) don't " - "match calculated @B endpoints (%i, %j)\n"), - PROMPT_NONE, PR_FATAL }, - - /* Internal error: fudging end of bitmap */ - { PR_5_FUDGE_BITMAP_ERROR, - N_("Internal error: fudging end of bitmap (%N)\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error copying in replacement inode bitmap */ - { PR_5_COPY_IBITMAP_ERROR, - N_("Error copying in replacement @i @B: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Error copying in replacement block bitmap */ - { PR_5_COPY_BBITMAP_ERROR, - N_("Error copying in replacement @b @B: %m\n"), - PROMPT_NONE, PR_FATAL }, - - /* Block range not used, but marked in bitmap */ - { PR_5_BLOCK_RANGE_UNUSED, - " -(%b--%c)", - PROMPT_NONE, PR_LATCH_BBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Block range used, but not marked used in bitmap */ - { PR_5_BLOCK_RANGE_USED, - " +(%b--%c)", - PROMPT_NONE, PR_LATCH_BBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Inode range not used, but marked in bitmap */ - { PR_5_INODE_RANGE_UNUSED, - " -(%i--%j)", - PROMPT_NONE, PR_LATCH_IBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - /* Inode range used, but not marked used in bitmap */ - { PR_5_INODE_RANGE_USED, - " +(%i--%j)", - PROMPT_NONE, PR_LATCH_IBITMAP | PR_PREEN_OK | PR_PREEN_NOMSG }, - - { 0 } -}; - -/* - * This is the latch flags register. It allows several problems to be - * "latched" together. This means that the user has to answer but one - * question for the set of problems, and all of the associated - * problems will be either fixed or not fixed. - */ -static struct latch_descr pr_latch_info[] = { - { PR_LATCH_BLOCK, PR_1_INODE_BLOCK_LATCH, 0 }, - { PR_LATCH_BBLOCK, PR_1_INODE_BBLOCK_LATCH, 0 }, - { PR_LATCH_IBITMAP, PR_5_INODE_BITMAP_HEADER, PR_5_INODE_BITMAP_END }, - { PR_LATCH_BBITMAP, PR_5_BLOCK_BITMAP_HEADER, PR_5_BLOCK_BITMAP_END }, - { PR_LATCH_RELOC, PR_0_RELOCATE_HINT, 0 }, - { PR_LATCH_DBLOCK, PR_1B_DUP_BLOCK_HEADER, PR_1B_DUP_BLOCK_END }, - { PR_LATCH_LOW_DTIME, PR_1_ORPHAN_LIST_REFUGEES, 0 }, - { PR_LATCH_TOOBIG, PR_1_INODE_TOOBIG, 0 }, - { PR_LATCH_OPTIMIZE_DIR, PR_3A_OPTIMIZE_DIR_HEADER, PR_3A_OPTIMIZE_DIR_END }, - { -1, 0, 0 }, -}; - -static const struct e2fsck_problem *find_problem(problem_t code) -{ - int i; - - for (i=0; problem_table[i].e2p_code; i++) { - if (problem_table[i].e2p_code == code) - return &problem_table[i]; - } - return 0; -} - -static struct latch_descr *find_latch(int code) -{ - int i; - - for (i=0; pr_latch_info[i].latch_code >= 0; i++) { - if (pr_latch_info[i].latch_code == code) - return &pr_latch_info[i]; - } - return 0; -} - -int end_problem_latch(e2fsck_t ctx, int mask) -{ - struct latch_descr *ldesc; - struct problem_context pctx; - int answer = -1; - - ldesc = find_latch(mask); - if (ldesc->end_message && (ldesc->flags & PRL_LATCHED)) { - clear_problem_context(&pctx); - answer = fix_problem(ctx, ldesc->end_message, &pctx); - } - ldesc->flags &= ~(PRL_VARIABLE); - return answer; -} - -int set_latch_flags(int mask, int setflags, int clearflags) -{ - struct latch_descr *ldesc; - - ldesc = find_latch(mask); - if (!ldesc) - return -1; - ldesc->flags |= setflags; - ldesc->flags &= ~clearflags; - return 0; -} - -void clear_problem_context(struct problem_context *ctx) -{ - memset(ctx, 0, sizeof(struct problem_context)); - ctx->blkcount = -1; - ctx->group = -1; -} - -int fix_problem(e2fsck_t ctx, problem_t code, struct problem_context *pctx) -{ - ext2_filsys fs = ctx->fs; - const struct e2fsck_problem *ptr; - struct latch_descr *ldesc = 0; - const char *message; - int def_yn, answer, ans; - int print_answer = 0; - int suppress = 0; - - ptr = find_problem(code); - if (!ptr) { - printf(_("Unhandled error code (0x%x)!\n"), code); - return 0; - } - def_yn = 1; - if ((ptr->flags & PR_NO_DEFAULT) || - ((ptr->flags & PR_PREEN_NO) && (ctx->options & E2F_OPT_PREEN)) || - (ctx->options & E2F_OPT_NO)) - def_yn= 0; - - /* - * Do special latch processing. This is where we ask the - * latch question, if it exists - */ - if (ptr->flags & PR_LATCH_MASK) { - ldesc = find_latch(ptr->flags & PR_LATCH_MASK); - if (ldesc->question && !(ldesc->flags & PRL_LATCHED)) { - ans = fix_problem(ctx, ldesc->question, pctx); - if (ans == 1) - ldesc->flags |= PRL_YES; - if (ans == 0) - ldesc->flags |= PRL_NO; - ldesc->flags |= PRL_LATCHED; - } - if (ldesc->flags & PRL_SUPPRESS) - suppress++; - } - if ((ptr->flags & PR_PREEN_NOMSG) && - (ctx->options & E2F_OPT_PREEN)) - suppress++; - if ((ptr->flags & PR_NO_NOMSG) && - (ctx->options & E2F_OPT_NO)) - suppress++; - if (!suppress) { - message = ptr->e2p_description; - if ((ctx->options & E2F_OPT_PREEN) && - !(ptr->flags & PR_PREEN_NOHDR)) { - printf("%s: ", ctx->device_name ? - ctx->device_name : ctx->filesystem_name); - } - if (*message) - print_e2fsck_message(ctx, _(message), pctx, 1); - } - if (!(ptr->flags & PR_PREEN_OK) && (ptr->prompt != PROMPT_NONE)) - preenhalt(ctx); - - if (ptr->flags & PR_FATAL) - bb_error_msg_and_die(0); - - if (ptr->prompt == PROMPT_NONE) { - if (ptr->flags & PR_NOCOLLATE) - answer = -1; - else - answer = def_yn; - } else { - if (ctx->options & E2F_OPT_PREEN) { - answer = def_yn; - if (!(ptr->flags & PR_PREEN_NOMSG)) - print_answer = 1; - } else if ((ptr->flags & PR_LATCH_MASK) && - (ldesc->flags & (PRL_YES | PRL_NO))) { - if (!suppress) - print_answer = 1; - if (ldesc->flags & PRL_YES) - answer = 1; - else - answer = 0; - } else - answer = ask(ctx, _(prompt[(int) ptr->prompt]), def_yn); - if (!answer && !(ptr->flags & PR_NO_OK)) - ext2fs_unmark_valid(fs); - - if (print_answer) - printf("%s.\n", answer ? - _(preen_msg[(int) ptr->prompt]) : _("IGNORED")); - - } - - if ((ptr->prompt == PROMPT_ABORT) && answer) - bb_error_msg_and_die(0); - - if (ptr->flags & PR_AFTER_CODE) - answer = fix_problem(ctx, ptr->second_code, pctx); - - return answer; -} - -/* - * linux/fs/recovery.c - * - * Written by Stephen C. Tweedie <sct@redhat.com>, 1999 - */ - -/* - * Maintain information about the progress of the recovery job, so that - * the different passes can carry information between them. - */ -struct recovery_info -{ - tid_t start_transaction; - tid_t end_transaction; - - int nr_replays; - int nr_revokes; - int nr_revoke_hits; -}; - -enum passtype {PASS_SCAN, PASS_REVOKE, PASS_REPLAY}; -static int do_one_pass(journal_t *journal, - struct recovery_info *info, enum passtype pass); -static int scan_revoke_records(journal_t *, struct buffer_head *, - tid_t, struct recovery_info *); - -/* - * Read a block from the journal - */ - -static int jread(struct buffer_head **bhp, journal_t *journal, - unsigned int offset) -{ - int err; - unsigned long blocknr; - struct buffer_head *bh; - - *bhp = NULL; - - err = journal_bmap(journal, offset, &blocknr); - - if (err) { - printf("JBD: bad block at offset %u\n", offset); - return err; - } - - bh = getblk(journal->j_dev, blocknr, journal->j_blocksize); - if (!bh) - return -ENOMEM; - - if (!buffer_uptodate(bh)) { - /* If this is a brand new buffer, start readahead. - Otherwise, we assume we are already reading it. */ - if (!buffer_req(bh)) - do_readahead(journal, offset); - wait_on_buffer(bh); - } - - if (!buffer_uptodate(bh)) { - printf("JBD: Failed to read block at offset %u\n", offset); - brelse(bh); - return -EIO; - } - - *bhp = bh; - return 0; -} - - -/* - * Count the number of in-use tags in a journal descriptor block. - */ - -static int count_tags(struct buffer_head *bh, int size) -{ - char * tagp; - journal_block_tag_t * tag; - int nr = 0; - - tagp = &bh->b_data[sizeof(journal_header_t)]; - - while ((tagp - bh->b_data + sizeof(journal_block_tag_t)) <= size) { - tag = (journal_block_tag_t *) tagp; - - nr++; - tagp += sizeof(journal_block_tag_t); - if (!(tag->t_flags & htonl(JFS_FLAG_SAME_UUID))) - tagp += 16; - - if (tag->t_flags & htonl(JFS_FLAG_LAST_TAG)) - break; - } - - return nr; -} - - -/* Make sure we wrap around the log correctly! */ -#define wrap(journal, var) \ -do { \ - if (var >= (journal)->j_last) \ - var -= ((journal)->j_last - (journal)->j_first); \ -} while (0) - -/** - * int journal_recover(journal_t *journal) - recovers a on-disk journal - * @journal: the journal to recover - * - * The primary function for recovering the log contents when mounting a - * journaled device. - * - * Recovery is done in three passes. In the first pass, we look for the - * end of the log. In the second, we assemble the list of revoke - * blocks. In the third and final pass, we replay any un-revoked blocks - * in the log. - */ -int journal_recover(journal_t *journal) -{ - int err; - journal_superblock_t * sb; - - struct recovery_info info; - - memset(&info, 0, sizeof(info)); - sb = journal->j_superblock; - - /* - * The journal superblock's s_start field (the current log head) - * is always zero if, and only if, the journal was cleanly - * unmounted. - */ - - if (!sb->s_start) { - journal->j_transaction_sequence = ntohl(sb->s_sequence) + 1; - return 0; - } - - err = do_one_pass(journal, &info, PASS_SCAN); - if (!err) - err = do_one_pass(journal, &info, PASS_REVOKE); - if (!err) - err = do_one_pass(journal, &info, PASS_REPLAY); - - /* Restart the log at the next transaction ID, thus invalidating - * any existing commit records in the log. */ - journal->j_transaction_sequence = ++info.end_transaction; - - journal_clear_revoke(journal); - sync_blockdev(journal->j_fs_dev); - return err; -} - -static int do_one_pass(journal_t *journal, - struct recovery_info *info, enum passtype pass) -{ - unsigned int first_commit_ID, next_commit_ID; - unsigned long next_log_block; - int err, success = 0; - journal_superblock_t * sb; - journal_header_t * tmp; - struct buffer_head * bh; - unsigned int sequence; - int blocktype; - - /* Precompute the maximum metadata descriptors in a descriptor block */ - int MAX_BLOCKS_PER_DESC; - MAX_BLOCKS_PER_DESC = ((journal->j_blocksize-sizeof(journal_header_t)) - / sizeof(journal_block_tag_t)); - - /* - * First thing is to establish what we expect to find in the log - * (in terms of transaction IDs), and where (in terms of log - * block offsets): query the superblock. - */ - - sb = journal->j_superblock; - next_commit_ID = ntohl(sb->s_sequence); - next_log_block = ntohl(sb->s_start); - - first_commit_ID = next_commit_ID; - if (pass == PASS_SCAN) - info->start_transaction = first_commit_ID; - - /* - * Now we walk through the log, transaction by transaction, - * making sure that each transaction has a commit block in the - * expected place. Each complete transaction gets replayed back - * into the main filesystem. - */ - - while (1) { - int flags; - char * tagp; - journal_block_tag_t * tag; - struct buffer_head * obh; - struct buffer_head * nbh; - - /* If we already know where to stop the log traversal, - * check right now that we haven't gone past the end of - * the log. */ - - if (pass != PASS_SCAN) - if (tid_geq(next_commit_ID, info->end_transaction)) - break; - - /* Skip over each chunk of the transaction looking - * either the next descriptor block or the final commit - * record. */ - - err = jread(&bh, journal, next_log_block); - if (err) - goto failed; - - next_log_block++; - wrap(journal, next_log_block); - - /* What kind of buffer is it? - * - * If it is a descriptor block, check that it has the - * expected sequence number. Otherwise, we're all done - * here. */ - - tmp = (journal_header_t *)bh->b_data; - - if (tmp->h_magic != htonl(JFS_MAGIC_NUMBER)) { - brelse(bh); - break; - } - - blocktype = ntohl(tmp->h_blocktype); - sequence = ntohl(tmp->h_sequence); - - if (sequence != next_commit_ID) { - brelse(bh); - break; - } - - /* OK, we have a valid descriptor block which matches - * all of the sequence number checks. What are we going - * to do with it? That depends on the pass... */ - - switch(blocktype) { - case JFS_DESCRIPTOR_BLOCK: - /* If it is a valid descriptor block, replay it - * in pass REPLAY; otherwise, just skip over the - * blocks it describes. */ - if (pass != PASS_REPLAY) { - next_log_block += - count_tags(bh, journal->j_blocksize); - wrap(journal, next_log_block); - brelse(bh); - continue; - } - - /* A descriptor block: we can now write all of - * the data blocks. Yay, useful work is finally - * getting done here! */ - - tagp = &bh->b_data[sizeof(journal_header_t)]; - while ((tagp - bh->b_data +sizeof(journal_block_tag_t)) - <= journal->j_blocksize) { - unsigned long io_block; - - tag = (journal_block_tag_t *) tagp; - flags = ntohl(tag->t_flags); - - io_block = next_log_block++; - wrap(journal, next_log_block); - err = jread(&obh, journal, io_block); - if (err) { - /* Recover what we can, but - * report failure at the end. */ - success = err; - printf("JBD: IO error %d recovering " - "block %ld in log\n", - err, io_block); - } else { - unsigned long blocknr; - - blocknr = ntohl(tag->t_blocknr); - - /* If the block has been - * revoked, then we're all done - * here. */ - if (journal_test_revoke - (journal, blocknr, - next_commit_ID)) { - brelse(obh); - ++info->nr_revoke_hits; - goto skip_write; - } - - /* Find a buffer for the new - * data being restored */ - nbh = getblk(journal->j_fs_dev, - blocknr, - journal->j_blocksize); - if (nbh == NULL) { - printf("JBD: Out of memory " - "during recovery.\n"); - err = -ENOMEM; - brelse(bh); - brelse(obh); - goto failed; - } - - lock_buffer(nbh); - memcpy(nbh->b_data, obh->b_data, - journal->j_blocksize); - if (flags & JFS_FLAG_ESCAPE) { - *((unsigned int *)bh->b_data) = - htonl(JFS_MAGIC_NUMBER); - } - - mark_buffer_uptodate(nbh, 1); - mark_buffer_dirty(nbh); - ++info->nr_replays; - /* ll_rw_block(WRITE, 1, &nbh); */ - unlock_buffer(nbh); - brelse(obh); - brelse(nbh); - } - - skip_write: - tagp += sizeof(journal_block_tag_t); - if (!(flags & JFS_FLAG_SAME_UUID)) - tagp += 16; - - if (flags & JFS_FLAG_LAST_TAG) - break; - } - - brelse(bh); - continue; - - case JFS_COMMIT_BLOCK: - /* Found an expected commit block: not much to - * do other than move on to the next sequence - * number. */ - brelse(bh); - next_commit_ID++; - continue; - - case JFS_REVOKE_BLOCK: - /* If we aren't in the REVOKE pass, then we can - * just skip over this block. */ - if (pass != PASS_REVOKE) { - brelse(bh); - continue; - } - - err = scan_revoke_records(journal, bh, - next_commit_ID, info); - brelse(bh); - if (err) - goto failed; - continue; - - default: - goto done; - } - } - - done: - /* - * We broke out of the log scan loop: either we came to the - * known end of the log or we found an unexpected block in the - * log. If the latter happened, then we know that the "current" - * transaction marks the end of the valid log. - */ - - if (pass == PASS_SCAN) - info->end_transaction = next_commit_ID; - else { - /* It's really bad news if different passes end up at - * different places (but possible due to IO errors). */ - if (info->end_transaction != next_commit_ID) { - printf("JBD: recovery pass %d ended at " - "transaction %u, expected %u\n", - pass, next_commit_ID, info->end_transaction); - if (!success) - success = -EIO; - } - } - - return success; - - failed: - return err; -} - - -/* Scan a revoke record, marking all blocks mentioned as revoked. */ - -static int scan_revoke_records(journal_t *journal, struct buffer_head *bh, - tid_t sequence, struct recovery_info *info) -{ - journal_revoke_header_t *header; - int offset, max; - - header = (journal_revoke_header_t *) bh->b_data; - offset = sizeof(journal_revoke_header_t); - max = ntohl(header->r_count); - - while (offset < max) { - unsigned long blocknr; - int err; - - blocknr = ntohl(* ((unsigned int *) (bh->b_data+offset))); - offset += 4; - err = journal_set_revoke(journal, blocknr, sequence); - if (err) - return err; - ++info->nr_revokes; - } - return 0; -} - - -/* - * rehash.c --- rebuild hash tree directories - * - * This algorithm is designed for simplicity of implementation and to - * pack the directory as much as possible. It however requires twice - * as much memory as the size of the directory. The maximum size - * directory supported using a 4k blocksize is roughly a gigabyte, and - * so there may very well be problems with machines that don't have - * virtual memory, and obscenely large directories. - * - * An alternate algorithm which is much more disk intensive could be - * written, and probably will need to be written in the future. The - * design goals of such an algorithm are: (a) use (roughly) constant - * amounts of memory, no matter how large the directory, (b) the - * directory must be safe at all times, even if e2fsck is interrupted - * in the middle, (c) we must use minimal amounts of extra disk - * blocks. This pretty much requires an incremental approach, where - * we are reading from one part of the directory, and inserting into - * the front half. So the algorithm will have to keep track of a - * moving block boundary between the new tree and the old tree, and - * files will need to be moved from the old directory and inserted - * into the new tree. If the new directory requires space which isn't - * yet available, blocks from the beginning part of the old directory - * may need to be moved to the end of the directory to make room for - * the new tree: - * - * -------------------------------------------------------- - * | new tree | | old tree | - * -------------------------------------------------------- - * ^ ptr ^ptr - * tail new head old - * - * This is going to be a pain in the tuckus to implement, and will - * require a lot more disk accesses. So I'm going to skip it for now; - * it's only really going to be an issue for really, really big - * filesystems (when we reach the level of tens of millions of files - * in a single directory). It will probably be easier to simply - * require that e2fsck use VM first. - */ - -struct fill_dir_struct { - char *buf; - struct ext2_inode *inode; - int err; - e2fsck_t ctx; - struct hash_entry *harray; - int max_array, num_array; - int dir_size; - int compress; - ino_t parent; -}; - -struct hash_entry { - ext2_dirhash_t hash; - ext2_dirhash_t minor_hash; - struct ext2_dir_entry *dir; -}; - -struct out_dir { - int num; - int max; - char *buf; - ext2_dirhash_t *hashes; -}; - -static int fill_dir_block(ext2_filsys fs, - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct fill_dir_struct *fd = (struct fill_dir_struct *) priv_data; - struct hash_entry *new_array, *ent; - struct ext2_dir_entry *dirent; - char *dir; - unsigned int offset, dir_offset; - - if (blockcnt < 0) - return 0; - - offset = blockcnt * fs->blocksize; - if (offset + fs->blocksize > fd->inode->i_size) { - fd->err = EXT2_ET_DIR_CORRUPTED; - return BLOCK_ABORT; - } - dir = (fd->buf+offset); - if (HOLE_BLKADDR(*block_nr)) { - memset(dir, 0, fs->blocksize); - dirent = (struct ext2_dir_entry *) dir; - dirent->rec_len = fs->blocksize; - } else { - fd->err = ext2fs_read_dir_block(fs, *block_nr, dir); - if (fd->err) - return BLOCK_ABORT; - } - /* While the directory block is "hot", index it. */ - dir_offset = 0; - while (dir_offset < fs->blocksize) { - dirent = (struct ext2_dir_entry *) (dir + dir_offset); - if (((dir_offset + dirent->rec_len) > fs->blocksize) || - (dirent->rec_len < 8) || - ((dirent->rec_len % 4) != 0) || - (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) { - fd->err = EXT2_ET_DIR_CORRUPTED; - return BLOCK_ABORT; - } - dir_offset += dirent->rec_len; - if (dirent->inode == 0) - continue; - if (!fd->compress && ((dirent->name_len&0xFF) == 1) && - (dirent->name[0] == '.')) - continue; - if (!fd->compress && ((dirent->name_len&0xFF) == 2) && - (dirent->name[0] == '.') && (dirent->name[1] == '.')) { - fd->parent = dirent->inode; - continue; - } - if (fd->num_array >= fd->max_array) { - new_array = realloc(fd->harray, - sizeof(struct hash_entry) * (fd->max_array+500)); - if (!new_array) { - fd->err = ENOMEM; - return BLOCK_ABORT; - } - fd->harray = new_array; - fd->max_array += 500; - } - ent = fd->harray + fd->num_array++; - ent->dir = dirent; - fd->dir_size += EXT2_DIR_REC_LEN(dirent->name_len & 0xFF); - if (fd->compress) - ent->hash = ent->minor_hash = 0; - else { - fd->err = ext2fs_dirhash(fs->super->s_def_hash_version, - dirent->name, - dirent->name_len & 0xFF, - fs->super->s_hash_seed, - &ent->hash, &ent->minor_hash); - if (fd->err) - return BLOCK_ABORT; - } - } - - return 0; -} - -/* Used for sorting the hash entry */ -static int name_cmp(const void *a, const void *b) -{ - const struct hash_entry *he_a = (const struct hash_entry *) a; - const struct hash_entry *he_b = (const struct hash_entry *) b; - int ret; - int min_len; - - min_len = he_a->dir->name_len; - if (min_len > he_b->dir->name_len) - min_len = he_b->dir->name_len; - - ret = strncmp(he_a->dir->name, he_b->dir->name, min_len); - if (ret == 0) { - if (he_a->dir->name_len > he_b->dir->name_len) - ret = 1; - else if (he_a->dir->name_len < he_b->dir->name_len) - ret = -1; - else - ret = he_b->dir->inode - he_a->dir->inode; - } - return ret; -} - -/* Used for sorting the hash entry */ -static int hash_cmp(const void *a, const void *b) -{ - const struct hash_entry *he_a = (const struct hash_entry *) a; - const struct hash_entry *he_b = (const struct hash_entry *) b; - int ret; - - if (he_a->hash > he_b->hash) - ret = 1; - else if (he_a->hash < he_b->hash) - ret = -1; - else { - if (he_a->minor_hash > he_b->minor_hash) - ret = 1; - else if (he_a->minor_hash < he_b->minor_hash) - ret = -1; - else - ret = name_cmp(a, b); - } - return ret; -} - -static errcode_t alloc_size_dir(ext2_filsys fs, struct out_dir *outdir, - int blocks) -{ - void *new_mem; - - if (outdir->max) { - new_mem = realloc(outdir->buf, blocks * fs->blocksize); - if (!new_mem) - return ENOMEM; - outdir->buf = new_mem; - new_mem = realloc(outdir->hashes, - blocks * sizeof(ext2_dirhash_t)); - if (!new_mem) - return ENOMEM; - outdir->hashes = new_mem; - } else { - outdir->buf = malloc(blocks * fs->blocksize); - outdir->hashes = malloc(blocks * sizeof(ext2_dirhash_t)); - outdir->num = 0; - } - outdir->max = blocks; - return 0; -} - -static void free_out_dir(struct out_dir *outdir) -{ - free(outdir->buf); - free(outdir->hashes); - outdir->max = 0; - outdir->num =0; -} - -static errcode_t get_next_block(ext2_filsys fs, struct out_dir *outdir, - char ** ret) -{ - errcode_t retval; - - if (outdir->num >= outdir->max) { - retval = alloc_size_dir(fs, outdir, outdir->max + 50); - if (retval) - return retval; - } - *ret = outdir->buf + (outdir->num++ * fs->blocksize); - memset(*ret, 0, fs->blocksize); - return 0; -} - -/* - * This function is used to make a unique filename. We do this by - * appending ~0, and then incrementing the number. However, we cannot - * expand the length of the filename beyond the padding available in - * the directory entry. - */ -static void mutate_name(char *str, __u16 *len) -{ - int i; - __u16 l = *len & 0xFF, h = *len & 0xff00; - - /* - * First check to see if it looks the name has been mutated - * already - */ - for (i = l-1; i > 0; i--) { - if (!isdigit(str[i])) - break; - } - if ((i == l-1) || (str[i] != '~')) { - if (((l-1) & 3) < 2) - l += 2; - else - l = (l+3) & ~3; - str[l-2] = '~'; - str[l-1] = '0'; - *len = l | h; - return; - } - for (i = l-1; i >= 0; i--) { - if (isdigit(str[i])) { - if (str[i] == '9') - str[i] = '0'; - else { - str[i]++; - return; - } - continue; - } - if (i == 1) { - if (str[0] == 'z') - str[0] = 'A'; - else if (str[0] == 'Z') { - str[0] = '~'; - str[1] = '0'; - } else - str[0]++; - } else if (i > 0) { - str[i] = '1'; - str[i-1] = '~'; - } else { - if (str[0] == '~') - str[0] = 'a'; - else - str[0]++; - } - break; - } -} - -static int duplicate_search_and_fix(e2fsck_t ctx, ext2_filsys fs, - ext2_ino_t ino, - struct fill_dir_struct *fd) -{ - struct problem_context pctx; - struct hash_entry *ent, *prev; - int i, j; - int fixed = 0; - char new_name[256]; - __u16 new_len; - - clear_problem_context(&pctx); - pctx.ino = ino; - - for (i=1; i < fd->num_array; i++) { - ent = fd->harray + i; - prev = ent - 1; - if (!ent->dir->inode || - ((ent->dir->name_len & 0xFF) != - (prev->dir->name_len & 0xFF)) || - (strncmp(ent->dir->name, prev->dir->name, - ent->dir->name_len & 0xFF))) - continue; - pctx.dirent = ent->dir; - if ((ent->dir->inode == prev->dir->inode) && - fix_problem(ctx, PR_2_DUPLICATE_DIRENT, &pctx)) { - e2fsck_adjust_inode_count(ctx, ent->dir->inode, -1); - ent->dir->inode = 0; - fixed++; - continue; - } - memcpy(new_name, ent->dir->name, ent->dir->name_len & 0xFF); - new_len = ent->dir->name_len; - mutate_name(new_name, &new_len); - for (j=0; j < fd->num_array; j++) { - if ((i==j) || - ((ent->dir->name_len & 0xFF) != - (fd->harray[j].dir->name_len & 0xFF)) || - (strncmp(new_name, fd->harray[j].dir->name, - new_len & 0xFF))) - continue; - mutate_name(new_name, &new_len); - - j = -1; - } - new_name[new_len & 0xFF] = 0; - pctx.str = new_name; - if (fix_problem(ctx, PR_2_NON_UNIQUE_FILE, &pctx)) { - memcpy(ent->dir->name, new_name, new_len & 0xFF); - ent->dir->name_len = new_len; - ext2fs_dirhash(fs->super->s_def_hash_version, - ent->dir->name, - ent->dir->name_len & 0xFF, - fs->super->s_hash_seed, - &ent->hash, &ent->minor_hash); - fixed++; - } - } - return fixed; -} - - -static errcode_t copy_dir_entries(ext2_filsys fs, - struct fill_dir_struct *fd, - struct out_dir *outdir) -{ - errcode_t retval; - char *block_start; - struct hash_entry *ent; - struct ext2_dir_entry *dirent; - int i, rec_len, left; - ext2_dirhash_t prev_hash; - int offset; - - outdir->max = 0; - retval = alloc_size_dir(fs, outdir, - (fd->dir_size / fs->blocksize) + 2); - if (retval) - return retval; - outdir->num = fd->compress ? 0 : 1; - offset = 0; - outdir->hashes[0] = 0; - prev_hash = 1; - if ((retval = get_next_block(fs, outdir, &block_start))) - return retval; - dirent = (struct ext2_dir_entry *) block_start; - left = fs->blocksize; - for (i=0; i < fd->num_array; i++) { - ent = fd->harray + i; - if (ent->dir->inode == 0) - continue; - rec_len = EXT2_DIR_REC_LEN(ent->dir->name_len & 0xFF); - if (rec_len > left) { - if (left) - dirent->rec_len += left; - if ((retval = get_next_block(fs, outdir, - &block_start))) - return retval; - offset = 0; - } - left = fs->blocksize - offset; - dirent = (struct ext2_dir_entry *) (block_start + offset); - if (offset == 0) { - if (ent->hash == prev_hash) - outdir->hashes[outdir->num-1] = ent->hash | 1; - else - outdir->hashes[outdir->num-1] = ent->hash; - } - dirent->inode = ent->dir->inode; - dirent->name_len = ent->dir->name_len; - dirent->rec_len = rec_len; - memcpy(dirent->name, ent->dir->name, dirent->name_len & 0xFF); - offset += rec_len; - left -= rec_len; - if (left < 12) { - dirent->rec_len += left; - offset += left; - left = 0; - } - prev_hash = ent->hash; - } - if (left) - dirent->rec_len += left; - - return 0; -} - - -static struct ext2_dx_root_info *set_root_node(ext2_filsys fs, char *buf, - ext2_ino_t ino, ext2_ino_t parent) -{ - struct ext2_dir_entry *dir; - struct ext2_dx_root_info *root; - struct ext2_dx_countlimit *limits; - int filetype = 0; - - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_FILETYPE) - filetype = EXT2_FT_DIR << 8; - - memset(buf, 0, fs->blocksize); - dir = (struct ext2_dir_entry *) buf; - dir->inode = ino; - dir->name[0] = '.'; - dir->name_len = 1 | filetype; - dir->rec_len = 12; - dir = (struct ext2_dir_entry *) (buf + 12); - dir->inode = parent; - dir->name[0] = '.'; - dir->name[1] = '.'; - dir->name_len = 2 | filetype; - dir->rec_len = fs->blocksize - 12; - - root = (struct ext2_dx_root_info *) (buf+24); - root->reserved_zero = 0; - root->hash_version = fs->super->s_def_hash_version; - root->info_length = 8; - root->indirect_levels = 0; - root->unused_flags = 0; - - limits = (struct ext2_dx_countlimit *) (buf+32); - limits->limit = (fs->blocksize - 32) / sizeof(struct ext2_dx_entry); - limits->count = 0; - - return root; -} - - -static struct ext2_dx_entry *set_int_node(ext2_filsys fs, char *buf) -{ - struct ext2_dir_entry *dir; - struct ext2_dx_countlimit *limits; - - memset(buf, 0, fs->blocksize); - dir = (struct ext2_dir_entry *) buf; - dir->inode = 0; - dir->rec_len = fs->blocksize; - - limits = (struct ext2_dx_countlimit *) (buf+8); - limits->limit = (fs->blocksize - 8) / sizeof(struct ext2_dx_entry); - limits->count = 0; - - return (struct ext2_dx_entry *) limits; -} - -/* - * This function takes the leaf nodes which have been written in - * outdir, and populates the root node and any necessary interior nodes. - */ -static errcode_t calculate_tree(ext2_filsys fs, - struct out_dir *outdir, - ext2_ino_t ino, - ext2_ino_t parent) -{ - struct ext2_dx_root_info *root_info; - struct ext2_dx_entry *root, *dx_ent = 0; - struct ext2_dx_countlimit *root_limit, *limit; - errcode_t retval; - char * block_start; - int i, c1, c2, nblks; - int limit_offset, root_offset; - - root_info = set_root_node(fs, outdir->buf, ino, parent); - root_offset = limit_offset = ((char *) root_info - outdir->buf) + - root_info->info_length; - root_limit = (struct ext2_dx_countlimit *) (outdir->buf + limit_offset); - c1 = root_limit->limit; - nblks = outdir->num; - - /* Write out the pointer blocks */ - if (nblks-1 <= c1) { - /* Just write out the root block, and we're done */ - root = (struct ext2_dx_entry *) (outdir->buf + root_offset); - for (i=1; i < nblks; i++) { - root->block = ext2fs_cpu_to_le32(i); - if (i != 1) - root->hash = - ext2fs_cpu_to_le32(outdir->hashes[i]); - root++; - c1--; - } - } else { - c2 = 0; - limit = 0; - root_info->indirect_levels = 1; - for (i=1; i < nblks; i++) { - if (c1 == 0) - return ENOSPC; - if (c2 == 0) { - if (limit) - limit->limit = limit->count = - ext2fs_cpu_to_le16(limit->limit); - root = (struct ext2_dx_entry *) - (outdir->buf + root_offset); - root->block = ext2fs_cpu_to_le32(outdir->num); - if (i != 1) - root->hash = - ext2fs_cpu_to_le32(outdir->hashes[i]); - if ((retval = get_next_block(fs, outdir, - &block_start))) - return retval; - dx_ent = set_int_node(fs, block_start); - limit = (struct ext2_dx_countlimit *) dx_ent; - c2 = limit->limit; - root_offset += sizeof(struct ext2_dx_entry); - c1--; - } - dx_ent->block = ext2fs_cpu_to_le32(i); - if (c2 != limit->limit) - dx_ent->hash = - ext2fs_cpu_to_le32(outdir->hashes[i]); - dx_ent++; - c2--; - } - limit->count = ext2fs_cpu_to_le16(limit->limit - c2); - limit->limit = ext2fs_cpu_to_le16(limit->limit); - } - root_limit = (struct ext2_dx_countlimit *) (outdir->buf + limit_offset); - root_limit->count = ext2fs_cpu_to_le16(root_limit->limit - c1); - root_limit->limit = ext2fs_cpu_to_le16(root_limit->limit); - - return 0; -} - -struct write_dir_struct { - struct out_dir *outdir; - errcode_t err; - e2fsck_t ctx; - int cleared; -}; - -/* - * Helper function which writes out a directory block. - */ -static int write_dir_block(ext2_filsys fs, - blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct write_dir_struct *wd = (struct write_dir_struct *) priv_data; - blk_t blk; - char *dir; - - if (*block_nr == 0) - return 0; - if (blockcnt >= wd->outdir->num) { - e2fsck_read_bitmaps(wd->ctx); - blk = *block_nr; - ext2fs_unmark_block_bitmap(wd->ctx->block_found_map, blk); - ext2fs_block_alloc_stats(fs, blk, -1); - *block_nr = 0; - wd->cleared++; - return BLOCK_CHANGED; - } - if (blockcnt < 0) - return 0; - - dir = wd->outdir->buf + (blockcnt * fs->blocksize); - wd->err = ext2fs_write_dir_block(fs, *block_nr, dir); - if (wd->err) - return BLOCK_ABORT; - return 0; -} - -static errcode_t write_directory(e2fsck_t ctx, ext2_filsys fs, - struct out_dir *outdir, - ext2_ino_t ino, int compress) -{ - struct write_dir_struct wd; - errcode_t retval; - struct ext2_inode inode; - - retval = e2fsck_expand_directory(ctx, ino, -1, outdir->num); - if (retval) - return retval; - - wd.outdir = outdir; - wd.err = 0; - wd.ctx = ctx; - wd.cleared = 0; - - retval = ext2fs_block_iterate2(fs, ino, 0, 0, - write_dir_block, &wd); - if (retval) - return retval; - if (wd.err) - return wd.err; - - e2fsck_read_inode(ctx, ino, &inode, "rehash_dir"); - if (compress) - inode.i_flags &= ~EXT2_INDEX_FL; - else - inode.i_flags |= EXT2_INDEX_FL; - inode.i_size = outdir->num * fs->blocksize; - inode.i_blocks -= (fs->blocksize / 512) * wd.cleared; - e2fsck_write_inode(ctx, ino, &inode, "rehash_dir"); - - return 0; -} - -static errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - struct ext2_inode inode; - char *dir_buf = 0; - struct fill_dir_struct fd; - struct out_dir outdir; - - outdir.max = outdir.num = 0; - outdir.buf = 0; - outdir.hashes = 0; - e2fsck_read_inode(ctx, ino, &inode, "rehash_dir"); - - retval = ENOMEM; - fd.harray = 0; - dir_buf = malloc(inode.i_size); - if (!dir_buf) - goto errout; - - fd.max_array = inode.i_size / 32; - fd.num_array = 0; - fd.harray = malloc(fd.max_array * sizeof(struct hash_entry)); - if (!fd.harray) - goto errout; - - fd.ctx = ctx; - fd.buf = dir_buf; - fd.inode = &inode; - fd.err = 0; - fd.dir_size = 0; - fd.compress = 0; - if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) || - (inode.i_size / fs->blocksize) < 2) - fd.compress = 1; - fd.parent = 0; - - /* Read in the entire directory into memory */ - retval = ext2fs_block_iterate2(fs, ino, 0, 0, - fill_dir_block, &fd); - if (fd.err) { - retval = fd.err; - goto errout; - } - - /* Sort the list */ -resort: - if (fd.compress) - qsort(fd.harray+2, fd.num_array-2, - sizeof(struct hash_entry), name_cmp); - else - qsort(fd.harray, fd.num_array, - sizeof(struct hash_entry), hash_cmp); - - /* - * Look for duplicates - */ - if (duplicate_search_and_fix(ctx, fs, ino, &fd)) - goto resort; - - if (ctx->options & E2F_OPT_NO) { - retval = 0; - goto errout; - } - - /* - * Copy the directory entries. In a htree directory these - * will become the leaf nodes. - */ - retval = copy_dir_entries(fs, &fd, &outdir); - if (retval) - goto errout; - - free(dir_buf); dir_buf = 0; - - if (!fd.compress) { - /* Calculate the interior nodes */ - retval = calculate_tree(fs, &outdir, ino, fd.parent); - if (retval) - goto errout; - } - - retval = write_directory(ctx, fs, &outdir, ino, fd.compress); - -errout: - free(dir_buf); - free(fd.harray); - - free_out_dir(&outdir); - return retval; -} - -void e2fsck_rehash_directories(e2fsck_t ctx) -{ - struct problem_context pctx; - struct dir_info *dir; - ext2_u32_iterate iter; - ext2_ino_t ino; - errcode_t retval; - int i, cur, max, all_dirs, dir_index, first = 1; - - all_dirs = ctx->options & E2F_OPT_COMPRESS_DIRS; - - if (!ctx->dirs_to_hash && !all_dirs) - return; - - e2fsck_get_lost_and_found(ctx, 0); - - clear_problem_context(&pctx); - - dir_index = ctx->fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX; - cur = 0; - if (all_dirs) { - i = 0; - max = e2fsck_get_num_dirinfo(ctx); - } else { - retval = ext2fs_u32_list_iterate_begin(ctx->dirs_to_hash, - &iter); - if (retval) { - pctx.errcode = retval; - fix_problem(ctx, PR_3A_OPTIMIZE_ITER, &pctx); - return; - } - max = ext2fs_u32_list_count(ctx->dirs_to_hash); - } - while (1) { - if (all_dirs) { - if ((dir = e2fsck_dir_info_iter(ctx, &i)) == 0) - break; - ino = dir->ino; - } else { - if (!ext2fs_u32_list_iterate(iter, &ino)) - break; - } - if (ino == ctx->lost_and_found) - continue; - pctx.dir = ino; - if (first) { - fix_problem(ctx, PR_3A_PASS_HEADER, &pctx); - first = 0; - } - pctx.errcode = e2fsck_rehash_dir(ctx, ino); - if (pctx.errcode) { - end_problem_latch(ctx, PR_LATCH_OPTIMIZE_DIR); - fix_problem(ctx, PR_3A_OPTIMIZE_DIR_ERR, &pctx); - } - if (ctx->progress && !ctx->progress_fd) - e2fsck_simple_progress(ctx, "Rebuilding directory", - 100.0 * (float) (++cur) / (float) max, ino); - } - end_problem_latch(ctx, PR_LATCH_OPTIMIZE_DIR); - if (!all_dirs) - ext2fs_u32_list_iterate_end(iter); - - ext2fs_u32_list_free(ctx->dirs_to_hash); - ctx->dirs_to_hash = 0; -} - -/* - * linux/fs/revoke.c - * - * Journal revoke routines for the generic filesystem journaling code; - * part of the ext2fs journaling system. - * - * Revoke is the mechanism used to prevent old log records for deleted - * metadata from being replayed on top of newer data using the same - * blocks. The revoke mechanism is used in two separate places: - * - * + Commit: during commit we write the entire list of the current - * transaction's revoked blocks to the journal - * - * + Recovery: during recovery we record the transaction ID of all - * revoked blocks. If there are multiple revoke records in the log - * for a single block, only the last one counts, and if there is a log - * entry for a block beyond the last revoke, then that log entry still - * gets replayed. - * - * We can get interactions between revokes and new log data within a - * single transaction: - * - * Block is revoked and then journaled: - * The desired end result is the journaling of the new block, so we - * cancel the revoke before the transaction commits. - * - * Block is journaled and then revoked: - * The revoke must take precedence over the write of the block, so we - * need either to cancel the journal entry or to write the revoke - * later in the log than the log block. In this case, we choose the - * latter: journaling a block cancels any revoke record for that block - * in the current transaction, so any revoke for that block in the - * transaction must have happened after the block was journaled and so - * the revoke must take precedence. - * - * Block is revoked and then written as data: - * The data write is allowed to succeed, but the revoke is _not_ - * cancelled. We still need to prevent old log records from - * overwriting the new data. We don't even need to clear the revoke - * bit here. - * - * Revoke information on buffers is a tri-state value: - * - * RevokeValid clear: no cached revoke status, need to look it up - * RevokeValid set, Revoked clear: - * buffer has not been revoked, and cancel_revoke - * need do nothing. - * RevokeValid set, Revoked set: - * buffer has been revoked. - */ - -static kmem_cache_t *revoke_record_cache; -static kmem_cache_t *revoke_table_cache; - -/* Each revoke record represents one single revoked block. During - journal replay, this involves recording the transaction ID of the - last transaction to revoke this block. */ - -struct jbd_revoke_record_s -{ - struct list_head hash; - tid_t sequence; /* Used for recovery only */ - unsigned long blocknr; -}; - - -/* The revoke table is just a simple hash table of revoke records. */ -struct jbd_revoke_table_s -{ - /* It is conceivable that we might want a larger hash table - * for recovery. Must be a power of two. */ - int hash_size; - int hash_shift; - struct list_head *hash_table; -}; - - -/* Utility functions to maintain the revoke table */ - -/* Borrowed from buffer.c: this is a tried and tested block hash function */ -static int hash(journal_t *journal, unsigned long block) -{ - struct jbd_revoke_table_s *table = journal->j_revoke; - int hash_shift = table->hash_shift; - - return ((block << (hash_shift - 6)) ^ - (block >> 13) ^ - (block << (hash_shift - 12))) & (table->hash_size - 1); -} - -static int insert_revoke_hash(journal_t *journal, unsigned long blocknr, - tid_t seq) -{ - struct list_head *hash_list; - struct jbd_revoke_record_s *record; - - record = kmem_cache_alloc(revoke_record_cache, GFP_NOFS); - if (!record) - goto oom; - - record->sequence = seq; - record->blocknr = blocknr; - hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)]; - list_add(&record->hash, hash_list); - return 0; - -oom: - return -ENOMEM; -} - -/* Find a revoke record in the journal's hash table. */ - -static struct jbd_revoke_record_s *find_revoke_record(journal_t *journal, - unsigned long blocknr) -{ - struct list_head *hash_list; - struct jbd_revoke_record_s *record; - - hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)]; - - record = (struct jbd_revoke_record_s *) hash_list->next; - while (&(record->hash) != hash_list) { - if (record->blocknr == blocknr) - return record; - record = (struct jbd_revoke_record_s *) record->hash.next; - } - return NULL; -} - -int journal_init_revoke_caches(void) -{ - revoke_record_cache = do_cache_create(sizeof(struct jbd_revoke_record_s)); - if (revoke_record_cache == 0) - return -ENOMEM; - - revoke_table_cache = do_cache_create(sizeof(struct jbd_revoke_table_s)); - if (revoke_table_cache == 0) { - do_cache_destroy(revoke_record_cache); - revoke_record_cache = NULL; - return -ENOMEM; - } - return 0; -} - -void journal_destroy_revoke_caches(void) -{ - do_cache_destroy(revoke_record_cache); - revoke_record_cache = 0; - do_cache_destroy(revoke_table_cache); - revoke_table_cache = 0; -} - -/* Initialise the revoke table for a given journal to a given size. */ - -int journal_init_revoke(journal_t *journal, int hash_size) -{ - int shift, tmp; - - journal->j_revoke = kmem_cache_alloc(revoke_table_cache, GFP_KERNEL); - if (!journal->j_revoke) - return -ENOMEM; - - /* Check that the hash_size is a power of two */ - journal->j_revoke->hash_size = hash_size; - - shift = 0; - tmp = hash_size; - while((tmp >>= 1UL) != 0UL) - shift++; - journal->j_revoke->hash_shift = shift; - - journal->j_revoke->hash_table = malloc(hash_size * sizeof(struct list_head)); - if (!journal->j_revoke->hash_table) { - free(journal->j_revoke); - journal->j_revoke = NULL; - return -ENOMEM; - } - - for (tmp = 0; tmp < hash_size; tmp++) - INIT_LIST_HEAD(&journal->j_revoke->hash_table[tmp]); - - return 0; -} - -/* Destoy a journal's revoke table. The table must already be empty! */ - -void journal_destroy_revoke(journal_t *journal) -{ - struct jbd_revoke_table_s *table; - struct list_head *hash_list; - int i; - - table = journal->j_revoke; - if (!table) - return; - - for (i=0; i<table->hash_size; i++) { - hash_list = &table->hash_table[i]; - } - - free(table->hash_table); - free(table); - journal->j_revoke = NULL; -} - -/* - * Revoke support for recovery. - * - * Recovery needs to be able to: - * - * record all revoke records, including the tid of the latest instance - * of each revoke in the journal - * - * check whether a given block in a given transaction should be replayed - * (ie. has not been revoked by a revoke record in that or a subsequent - * transaction) - * - * empty the revoke table after recovery. - */ - -/* - * First, setting revoke records. We create a new revoke record for - * every block ever revoked in the log as we scan it for recovery, and - * we update the existing records if we find multiple revokes for a - * single block. - */ - -int journal_set_revoke(journal_t *journal, unsigned long blocknr, - tid_t sequence) -{ - struct jbd_revoke_record_s *record; - - record = find_revoke_record(journal, blocknr); - if (record) { - /* If we have multiple occurences, only record the - * latest sequence number in the hashed record */ - if (tid_gt(sequence, record->sequence)) - record->sequence = sequence; - return 0; - } - return insert_revoke_hash(journal, blocknr, sequence); -} - -/* - * Test revoke records. For a given block referenced in the log, has - * that block been revoked? A revoke record with a given transaction - * sequence number revokes all blocks in that transaction and earlier - * ones, but later transactions still need replayed. - */ - -int journal_test_revoke(journal_t *journal, unsigned long blocknr, - tid_t sequence) -{ - struct jbd_revoke_record_s *record; - - record = find_revoke_record(journal, blocknr); - if (!record) - return 0; - if (tid_gt(sequence, record->sequence)) - return 0; - return 1; -} - -/* - * Finally, once recovery is over, we need to clear the revoke table so - * that it can be reused by the running filesystem. - */ - -void journal_clear_revoke(journal_t *journal) -{ - int i; - struct list_head *hash_list; - struct jbd_revoke_record_s *record; - struct jbd_revoke_table_s *revoke_var; - - revoke_var = journal->j_revoke; - - for (i = 0; i < revoke_var->hash_size; i++) { - hash_list = &revoke_var->hash_table[i]; - while (!list_empty(hash_list)) { - record = (struct jbd_revoke_record_s*) hash_list->next; - list_del(&record->hash); - free(record); - } - } -} - -/* - * e2fsck.c - superblock checks - */ - -#define MIN_CHECK 1 -#define MAX_CHECK 2 - -static void check_super_value(e2fsck_t ctx, const char *descr, - unsigned long value, int flags, - unsigned long min_val, unsigned long max_val) -{ - struct problem_context pctx; - - if (((flags & MIN_CHECK) && (value < min_val)) || - ((flags & MAX_CHECK) && (value > max_val))) { - clear_problem_context(&pctx); - pctx.num = value; - pctx.str = descr; - fix_problem(ctx, PR_0_MISC_CORRUPT_SUPER, &pctx); - ctx->flags |= E2F_FLAG_ABORT; /* never get here! */ - } -} - -/* - * This routine may get stubbed out in special compilations of the - * e2fsck code.. - */ -#ifndef EXT2_SPECIAL_DEVICE_SIZE -static errcode_t e2fsck_get_device_size(e2fsck_t ctx) -{ - return (ext2fs_get_device_size(ctx->filesystem_name, - EXT2_BLOCK_SIZE(ctx->fs->super), - &ctx->num_blocks)); -} -#endif - -/* - * helper function to release an inode - */ -struct process_block_struct { - e2fsck_t ctx; - char *buf; - struct problem_context *pctx; - int truncating; - int truncate_offset; - e2_blkcnt_t truncate_block; - int truncated_blocks; - int abort; - errcode_t errcode; -}; - -static int release_inode_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_blk FSCK_ATTR((unused)), - int ref_offset FSCK_ATTR((unused)), - void *priv_data) -{ - struct process_block_struct *pb; - e2fsck_t ctx; - struct problem_context *pctx; - blk_t blk = *block_nr; - int retval = 0; - - pb = (struct process_block_struct *) priv_data; - ctx = pb->ctx; - pctx = pb->pctx; - - pctx->blk = blk; - pctx->blkcount = blockcnt; - - if (HOLE_BLKADDR(blk)) - return 0; - - if ((blk < fs->super->s_first_data_block) || - (blk >= fs->super->s_blocks_count)) { - fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_BLOCK_NUM, pctx); - return_abort: - pb->abort = 1; - return BLOCK_ABORT; - } - - if (!ext2fs_test_block_bitmap(fs->block_map, blk)) { - fix_problem(ctx, PR_0_ORPHAN_ALREADY_CLEARED_BLOCK, pctx); - goto return_abort; - } - - /* - * If we are deleting an orphan, then we leave the fields alone. - * If we are truncating an orphan, then update the inode fields - * and clean up any partial block data. - */ - if (pb->truncating) { - /* - * We only remove indirect blocks if they are - * completely empty. - */ - if (blockcnt < 0) { - int i, limit; - blk_t *bp; - - pb->errcode = io_channel_read_blk(fs->io, blk, 1, - pb->buf); - if (pb->errcode) - goto return_abort; - - limit = fs->blocksize >> 2; - for (i = 0, bp = (blk_t *) pb->buf; - i < limit; i++, bp++) - if (*bp) - return 0; - } - /* - * We don't remove direct blocks until we've reached - * the truncation block. - */ - if (blockcnt >= 0 && blockcnt < pb->truncate_block) - return 0; - /* - * If part of the last block needs truncating, we do - * it here. - */ - if ((blockcnt == pb->truncate_block) && pb->truncate_offset) { - pb->errcode = io_channel_read_blk(fs->io, blk, 1, - pb->buf); - if (pb->errcode) - goto return_abort; - memset(pb->buf + pb->truncate_offset, 0, - fs->blocksize - pb->truncate_offset); - pb->errcode = io_channel_write_blk(fs->io, blk, 1, - pb->buf); - if (pb->errcode) - goto return_abort; - } - pb->truncated_blocks++; - *block_nr = 0; - retval |= BLOCK_CHANGED; - } - - ext2fs_block_alloc_stats(fs, blk, -1); - return retval; -} - -/* - * This function releases an inode. Returns 1 if an inconsistency was - * found. If the inode has a link count, then it is being truncated and - * not deleted. - */ -static int release_inode_blocks(e2fsck_t ctx, ext2_ino_t ino, - struct ext2_inode *inode, char *block_buf, - struct problem_context *pctx) -{ - struct process_block_struct pb; - ext2_filsys fs = ctx->fs; - errcode_t retval; - __u32 count; - - if (!ext2fs_inode_has_valid_blocks(inode)) - return 0; - - pb.buf = block_buf + 3 * ctx->fs->blocksize; - pb.ctx = ctx; - pb.abort = 0; - pb.errcode = 0; - pb.pctx = pctx; - if (inode->i_links_count) { - pb.truncating = 1; - pb.truncate_block = (e2_blkcnt_t) - ((((long long)inode->i_size_high << 32) + - inode->i_size + fs->blocksize - 1) / - fs->blocksize); - pb.truncate_offset = inode->i_size % fs->blocksize; - } else { - pb.truncating = 0; - pb.truncate_block = 0; - pb.truncate_offset = 0; - } - pb.truncated_blocks = 0; - retval = ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_DEPTH_TRAVERSE, - block_buf, release_inode_block, &pb); - if (retval) { - bb_error_msg(_("while calling ext2fs_block_iterate for inode %d"), - ino); - return 1; - } - if (pb.abort) - return 1; - - /* Refresh the inode since ext2fs_block_iterate may have changed it */ - e2fsck_read_inode(ctx, ino, inode, "release_inode_blocks"); - - if (pb.truncated_blocks) - inode->i_blocks -= pb.truncated_blocks * - (fs->blocksize / 512); - - if (inode->i_file_acl) { - retval = ext2fs_adjust_ea_refcount(fs, inode->i_file_acl, - block_buf, -1, &count); - if (retval == EXT2_ET_BAD_EA_BLOCK_NUM) { - retval = 0; - count = 1; - } - if (retval) { - bb_error_msg(_("while calling ext2fs_adjust_ea_refocunt for inode %d"), - ino); - return 1; - } - if (count == 0) - ext2fs_block_alloc_stats(fs, inode->i_file_acl, -1); - inode->i_file_acl = 0; - } - return 0; -} - -/* - * This function releases all of the orphan inodes. It returns 1 if - * it hit some error, and 0 on success. - */ -static int release_orphan_inodes(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - ext2_ino_t ino, next_ino; - struct ext2_inode inode; - struct problem_context pctx; - char *block_buf; - - if ((ino = fs->super->s_last_orphan) == 0) - return 0; - - /* - * Win or lose, we won't be using the head of the orphan inode - * list again. - */ - fs->super->s_last_orphan = 0; - ext2fs_mark_super_dirty(fs); - - /* - * If the filesystem contains errors, don't run the orphan - * list, since the orphan list can't be trusted; and we're - * going to be running a full e2fsck run anyway... - */ - if (fs->super->s_state & EXT2_ERROR_FS) - return 0; - - if ((ino < EXT2_FIRST_INODE(fs->super)) || - (ino > fs->super->s_inodes_count)) { - clear_problem_context(&pctx); - pctx.ino = ino; - fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_HEAD_INODE, &pctx); - return 1; - } - - block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 4, - "block iterate buffer"); - e2fsck_read_bitmaps(ctx); - - while (ino) { - e2fsck_read_inode(ctx, ino, &inode, "release_orphan_inodes"); - clear_problem_context(&pctx); - pctx.ino = ino; - pctx.inode = &inode; - pctx.str = inode.i_links_count ? _("Truncating") : - _("Clearing"); - - fix_problem(ctx, PR_0_ORPHAN_CLEAR_INODE, &pctx); - - next_ino = inode.i_dtime; - if (next_ino && - ((next_ino < EXT2_FIRST_INODE(fs->super)) || - (next_ino > fs->super->s_inodes_count))) { - pctx.ino = next_ino; - fix_problem(ctx, PR_0_ORPHAN_ILLEGAL_INODE, &pctx); - goto return_abort; - } - - if (release_inode_blocks(ctx, ino, &inode, block_buf, &pctx)) - goto return_abort; - - if (!inode.i_links_count) { - ext2fs_inode_alloc_stats2(fs, ino, -1, - LINUX_S_ISDIR(inode.i_mode)); - inode.i_dtime = time(0); - } else { - inode.i_dtime = 0; - } - e2fsck_write_inode(ctx, ino, &inode, "delete_file"); - ino = next_ino; - } - ext2fs_free_mem(&block_buf); - return 0; -return_abort: - ext2fs_free_mem(&block_buf); - return 1; -} - -/* - * Check the resize inode to make sure it is sane. We check both for - * the case where on-line resizing is not enabled (in which case the - * resize inode should be cleared) as well as the case where on-line - * resizing is enabled. - */ -static void check_resize_inode(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - struct ext2_inode inode; - struct problem_context pctx; - int i, j, gdt_off, ind_off; - blk_t blk, pblk, expect; - __u32 *dind_buf = 0, *ind_buf; - errcode_t retval; - - clear_problem_context(&pctx); - - /* - * If the resize inode feature isn't set, then - * s_reserved_gdt_blocks must be zero. - */ - if (!(fs->super->s_feature_compat & - EXT2_FEATURE_COMPAT_RESIZE_INODE)) { - if (fs->super->s_reserved_gdt_blocks) { - pctx.num = fs->super->s_reserved_gdt_blocks; - if (fix_problem(ctx, PR_0_NONZERO_RESERVED_GDT_BLOCKS, - &pctx)) { - fs->super->s_reserved_gdt_blocks = 0; - ext2fs_mark_super_dirty(fs); - } - } - } - - /* Read the resize inode */ - pctx.ino = EXT2_RESIZE_INO; - retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode); - if (retval) { - if (fs->super->s_feature_compat & - EXT2_FEATURE_COMPAT_RESIZE_INODE) - ctx->flags |= E2F_FLAG_RESIZE_INODE; - return; - } - - /* - * If the resize inode feature isn't set, check to make sure - * the resize inode is cleared; then we're done. - */ - if (!(fs->super->s_feature_compat & - EXT2_FEATURE_COMPAT_RESIZE_INODE)) { - for (i=0; i < EXT2_N_BLOCKS; i++) { - if (inode.i_block[i]) - break; - } - if ((i < EXT2_N_BLOCKS) && - fix_problem(ctx, PR_0_CLEAR_RESIZE_INODE, &pctx)) { - memset(&inode, 0, sizeof(inode)); - e2fsck_write_inode(ctx, EXT2_RESIZE_INO, &inode, - "clear_resize"); - } - return; - } - - /* - * The resize inode feature is enabled; check to make sure the - * only block in use is the double indirect block - */ - blk = inode.i_block[EXT2_DIND_BLOCK]; - for (i=0; i < EXT2_N_BLOCKS; i++) { - if (i != EXT2_DIND_BLOCK && inode.i_block[i]) - break; - } - if ((i < EXT2_N_BLOCKS) || !blk || !inode.i_links_count || - !(inode.i_mode & LINUX_S_IFREG) || - (blk < fs->super->s_first_data_block || - blk >= fs->super->s_blocks_count)) { - resize_inode_invalid: - if (fix_problem(ctx, PR_0_RESIZE_INODE_INVALID, &pctx)) { - memset(&inode, 0, sizeof(inode)); - e2fsck_write_inode(ctx, EXT2_RESIZE_INO, &inode, - "clear_resize"); - ctx->flags |= E2F_FLAG_RESIZE_INODE; - } - if (!(ctx->options & E2F_OPT_READONLY)) { - fs->super->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(fs); - } - goto cleanup; - } - dind_buf = (__u32 *) e2fsck_allocate_memory(ctx, fs->blocksize * 2, - "resize dind buffer"); - ind_buf = (__u32 *) ((char *) dind_buf + fs->blocksize); - - retval = ext2fs_read_ind_block(fs, blk, dind_buf); - if (retval) - goto resize_inode_invalid; - - gdt_off = fs->desc_blocks; - pblk = fs->super->s_first_data_block + 1 + fs->desc_blocks; - for (i = 0; i < fs->super->s_reserved_gdt_blocks / 4; - i++, gdt_off++, pblk++) { - gdt_off %= fs->blocksize/4; - if (dind_buf[gdt_off] != pblk) - goto resize_inode_invalid; - retval = ext2fs_read_ind_block(fs, pblk, ind_buf); - if (retval) - goto resize_inode_invalid; - ind_off = 0; - for (j = 1; j < fs->group_desc_count; j++) { - if (!ext2fs_bg_has_super(fs, j)) - continue; - expect = pblk + (j * fs->super->s_blocks_per_group); - if (ind_buf[ind_off] != expect) - goto resize_inode_invalid; - ind_off++; - } - } - -cleanup: - ext2fs_free_mem(&dind_buf); - - } - -static void check_super_block(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - blk_t first_block, last_block; - struct ext2_super_block *sb = fs->super; - struct ext2_group_desc *gd; - blk_t blocks_per_group = fs->super->s_blocks_per_group; - blk_t bpg_max; - int inodes_per_block; - int ipg_max; - int inode_size; - dgrp_t i; - blk_t should_be; - struct problem_context pctx; - __u32 free_blocks = 0, free_inodes = 0; - - inodes_per_block = EXT2_INODES_PER_BLOCK(fs->super); - ipg_max = inodes_per_block * (blocks_per_group - 4); - if (ipg_max > EXT2_MAX_INODES_PER_GROUP(sb)) - ipg_max = EXT2_MAX_INODES_PER_GROUP(sb); - bpg_max = 8 * EXT2_BLOCK_SIZE(sb); - if (bpg_max > EXT2_MAX_BLOCKS_PER_GROUP(sb)) - bpg_max = EXT2_MAX_BLOCKS_PER_GROUP(sb); - - ctx->invalid_inode_bitmap_flag = (int *) e2fsck_allocate_memory(ctx, - sizeof(int) * fs->group_desc_count, "invalid_inode_bitmap"); - ctx->invalid_block_bitmap_flag = (int *) e2fsck_allocate_memory(ctx, - sizeof(int) * fs->group_desc_count, "invalid_block_bitmap"); - ctx->invalid_inode_table_flag = (int *) e2fsck_allocate_memory(ctx, - sizeof(int) * fs->group_desc_count, "invalid_inode_table"); - - clear_problem_context(&pctx); - - /* - * Verify the super block constants... - */ - check_super_value(ctx, "inodes_count", sb->s_inodes_count, - MIN_CHECK, 1, 0); - check_super_value(ctx, "blocks_count", sb->s_blocks_count, - MIN_CHECK, 1, 0); - check_super_value(ctx, "first_data_block", sb->s_first_data_block, - MAX_CHECK, 0, sb->s_blocks_count); - check_super_value(ctx, "log_block_size", sb->s_log_block_size, - MIN_CHECK | MAX_CHECK, 0, - EXT2_MAX_BLOCK_LOG_SIZE - EXT2_MIN_BLOCK_LOG_SIZE); - check_super_value(ctx, "log_frag_size", sb->s_log_frag_size, - MIN_CHECK | MAX_CHECK, 0, sb->s_log_block_size); - check_super_value(ctx, "frags_per_group", sb->s_frags_per_group, - MIN_CHECK | MAX_CHECK, sb->s_blocks_per_group, - bpg_max); - check_super_value(ctx, "blocks_per_group", sb->s_blocks_per_group, - MIN_CHECK | MAX_CHECK, 8, bpg_max); - check_super_value(ctx, "inodes_per_group", sb->s_inodes_per_group, - MIN_CHECK | MAX_CHECK, inodes_per_block, ipg_max); - check_super_value(ctx, "r_blocks_count", sb->s_r_blocks_count, - MAX_CHECK, 0, sb->s_blocks_count / 2); - check_super_value(ctx, "reserved_gdt_blocks", - sb->s_reserved_gdt_blocks, MAX_CHECK, 0, - fs->blocksize/4); - inode_size = EXT2_INODE_SIZE(sb); - check_super_value(ctx, "inode_size", - inode_size, MIN_CHECK | MAX_CHECK, - EXT2_GOOD_OLD_INODE_SIZE, fs->blocksize); - if (inode_size & (inode_size - 1)) { - pctx.num = inode_size; - pctx.str = "inode_size"; - fix_problem(ctx, PR_0_MISC_CORRUPT_SUPER, &pctx); - ctx->flags |= E2F_FLAG_ABORT; /* never get here! */ - return; - } - - if (!ctx->num_blocks) { - pctx.errcode = e2fsck_get_device_size(ctx); - if (pctx.errcode && pctx.errcode != EXT2_ET_UNIMPLEMENTED) { - fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if ((pctx.errcode != EXT2_ET_UNIMPLEMENTED) && - (ctx->num_blocks < sb->s_blocks_count)) { - pctx.blk = sb->s_blocks_count; - pctx.blk2 = ctx->num_blocks; - if (fix_problem(ctx, PR_0_FS_SIZE_WRONG, &pctx)) { - ctx->flags |= E2F_FLAG_ABORT; - return; - } - } - } - - if (sb->s_log_block_size != (__u32) sb->s_log_frag_size) { - pctx.blk = EXT2_BLOCK_SIZE(sb); - pctx.blk2 = EXT2_FRAG_SIZE(sb); - fix_problem(ctx, PR_0_NO_FRAGMENTS, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - should_be = sb->s_frags_per_group >> - (sb->s_log_block_size - sb->s_log_frag_size); - if (sb->s_blocks_per_group != should_be) { - pctx.blk = sb->s_blocks_per_group; - pctx.blk2 = should_be; - fix_problem(ctx, PR_0_BLOCKS_PER_GROUP, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - should_be = (sb->s_log_block_size == 0) ? 1 : 0; - if (sb->s_first_data_block != should_be) { - pctx.blk = sb->s_first_data_block; - pctx.blk2 = should_be; - fix_problem(ctx, PR_0_FIRST_DATA_BLOCK, &pctx); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - - should_be = sb->s_inodes_per_group * fs->group_desc_count; - if (sb->s_inodes_count != should_be) { - pctx.ino = sb->s_inodes_count; - pctx.ino2 = should_be; - if (fix_problem(ctx, PR_0_INODE_COUNT_WRONG, &pctx)) { - sb->s_inodes_count = should_be; - ext2fs_mark_super_dirty(fs); - } - } - - /* - * Verify the group descriptors.... - */ - first_block = sb->s_first_data_block; - last_block = first_block + blocks_per_group; - - for (i = 0, gd=fs->group_desc; i < fs->group_desc_count; i++, gd++) { - pctx.group = i; - - if (i == fs->group_desc_count - 1) - last_block = sb->s_blocks_count; - if ((gd->bg_block_bitmap < first_block) || - (gd->bg_block_bitmap >= last_block)) { - pctx.blk = gd->bg_block_bitmap; - if (fix_problem(ctx, PR_0_BB_NOT_GROUP, &pctx)) - gd->bg_block_bitmap = 0; - } - if (gd->bg_block_bitmap == 0) { - ctx->invalid_block_bitmap_flag[i]++; - ctx->invalid_bitmaps++; - } - if ((gd->bg_inode_bitmap < first_block) || - (gd->bg_inode_bitmap >= last_block)) { - pctx.blk = gd->bg_inode_bitmap; - if (fix_problem(ctx, PR_0_IB_NOT_GROUP, &pctx)) - gd->bg_inode_bitmap = 0; - } - if (gd->bg_inode_bitmap == 0) { - ctx->invalid_inode_bitmap_flag[i]++; - ctx->invalid_bitmaps++; - } - if ((gd->bg_inode_table < first_block) || - ((gd->bg_inode_table + - fs->inode_blocks_per_group - 1) >= last_block)) { - pctx.blk = gd->bg_inode_table; - if (fix_problem(ctx, PR_0_ITABLE_NOT_GROUP, &pctx)) - gd->bg_inode_table = 0; - } - if (gd->bg_inode_table == 0) { - ctx->invalid_inode_table_flag[i]++; - ctx->invalid_bitmaps++; - } - free_blocks += gd->bg_free_blocks_count; - free_inodes += gd->bg_free_inodes_count; - first_block += sb->s_blocks_per_group; - last_block += sb->s_blocks_per_group; - - if ((gd->bg_free_blocks_count > sb->s_blocks_per_group) || - (gd->bg_free_inodes_count > sb->s_inodes_per_group) || - (gd->bg_used_dirs_count > sb->s_inodes_per_group)) - ext2fs_unmark_valid(fs); - - } - - /* - * Update the global counts from the block group counts. This - * is needed for an experimental patch which eliminates - * locking the entire filesystem when allocating blocks or - * inodes; if the filesystem is not unmounted cleanly, the - * global counts may not be accurate. - */ - if ((free_blocks != sb->s_free_blocks_count) || - (free_inodes != sb->s_free_inodes_count)) { - if (ctx->options & E2F_OPT_READONLY) - ext2fs_unmark_valid(fs); - else { - sb->s_free_blocks_count = free_blocks; - sb->s_free_inodes_count = free_inodes; - ext2fs_mark_super_dirty(fs); - } - } - - if ((sb->s_free_blocks_count > sb->s_blocks_count) || - (sb->s_free_inodes_count > sb->s_inodes_count)) - ext2fs_unmark_valid(fs); - - - /* - * If we have invalid bitmaps, set the error state of the - * filesystem. - */ - if (ctx->invalid_bitmaps && !(ctx->options & E2F_OPT_READONLY)) { - sb->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(fs); - } - - clear_problem_context(&pctx); - - /* - * If the UUID field isn't assigned, assign it. - */ - if (!(ctx->options & E2F_OPT_READONLY) && uuid_is_null(sb->s_uuid)) { - if (fix_problem(ctx, PR_0_ADD_UUID, &pctx)) { - uuid_generate(sb->s_uuid); - ext2fs_mark_super_dirty(fs); - fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; - } - } - - /* FIXME - HURD support? - * For the Hurd, check to see if the filetype option is set, - * since it doesn't support it. - */ - if (!(ctx->options & E2F_OPT_READONLY) && - fs->super->s_creator_os == EXT2_OS_HURD && - (fs->super->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_FILETYPE)) { - if (fix_problem(ctx, PR_0_HURD_CLEAR_FILETYPE, &pctx)) { - fs->super->s_feature_incompat &= - ~EXT2_FEATURE_INCOMPAT_FILETYPE; - ext2fs_mark_super_dirty(fs); - - } - } - - /* - * If we have any of the compatibility flags set, we need to have a - * revision 1 filesystem. Most kernels will not check the flags on - * a rev 0 filesystem and we may have corruption issues because of - * the incompatible changes to the filesystem. - */ - if (!(ctx->options & E2F_OPT_READONLY) && - fs->super->s_rev_level == EXT2_GOOD_OLD_REV && - (fs->super->s_feature_compat || - fs->super->s_feature_ro_compat || - fs->super->s_feature_incompat) && - fix_problem(ctx, PR_0_FS_REV_LEVEL, &pctx)) { - ext2fs_update_dynamic_rev(fs); - ext2fs_mark_super_dirty(fs); - } - - check_resize_inode(ctx); - - /* - * Clean up any orphan inodes, if present. - */ - if (!(ctx->options & E2F_OPT_READONLY) && release_orphan_inodes(ctx)) { - fs->super->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(fs); - } - - /* - * Move the ext3 journal file, if necessary. - */ - e2fsck_move_ext3_journal(ctx); - return; -} - -/* - * swapfs.c --- byte-swap an ext2 filesystem - */ - -#ifdef ENABLE_SWAPFS - -struct swap_block_struct { - ext2_ino_t ino; - int isdir; - errcode_t errcode; - char *dir_buf; - struct ext2_inode *inode; -}; - -/* - * This is a helper function for block_iterate. We mark all of the - * indirect and direct blocks as changed, so that block_iterate will - * write them out. - */ -static int swap_block(ext2_filsys fs, blk_t *block_nr, int blockcnt, - void *priv_data) -{ - errcode_t retval; - - struct swap_block_struct *sb = (struct swap_block_struct *) priv_data; - - if (sb->isdir && (blockcnt >= 0) && *block_nr) { - retval = ext2fs_read_dir_block(fs, *block_nr, sb->dir_buf); - if (retval) { - sb->errcode = retval; - return BLOCK_ABORT; - } - retval = ext2fs_write_dir_block(fs, *block_nr, sb->dir_buf); - if (retval) { - sb->errcode = retval; - return BLOCK_ABORT; - } - } - if (blockcnt >= 0) { - if (blockcnt < EXT2_NDIR_BLOCKS) - return 0; - return BLOCK_CHANGED; - } - if (blockcnt == BLOCK_COUNT_IND) { - if (*block_nr == sb->inode->i_block[EXT2_IND_BLOCK]) - return 0; - return BLOCK_CHANGED; - } - if (blockcnt == BLOCK_COUNT_DIND) { - if (*block_nr == sb->inode->i_block[EXT2_DIND_BLOCK]) - return 0; - return BLOCK_CHANGED; - } - if (blockcnt == BLOCK_COUNT_TIND) { - if (*block_nr == sb->inode->i_block[EXT2_TIND_BLOCK]) - return 0; - return BLOCK_CHANGED; - } - return BLOCK_CHANGED; -} - -/* - * This function is responsible for byte-swapping all of the indirect, - * block pointers. It is also responsible for byte-swapping directories. - */ -static void swap_inode_blocks(e2fsck_t ctx, ext2_ino_t ino, char *block_buf, - struct ext2_inode *inode) -{ - errcode_t retval; - struct swap_block_struct sb; - - sb.ino = ino; - sb.inode = inode; - sb.dir_buf = block_buf + ctx->fs->blocksize*3; - sb.errcode = 0; - sb.isdir = 0; - if (LINUX_S_ISDIR(inode->i_mode)) - sb.isdir = 1; - - retval = ext2fs_block_iterate(ctx->fs, ino, 0, block_buf, - swap_block, &sb); - if (retval) { - bb_error_msg(_("while calling ext2fs_block_iterate")); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if (sb.errcode) { - bb_error_msg(_("while calling iterator function")); - ctx->flags |= E2F_FLAG_ABORT; - return; - } -} - -static void swap_inodes(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - dgrp_t group; - unsigned int i; - ext2_ino_t ino = 1; - char *buf, *block_buf; - errcode_t retval; - struct ext2_inode * inode; - - e2fsck_use_inode_shortcuts(ctx, 1); - - retval = ext2fs_get_mem(fs->blocksize * fs->inode_blocks_per_group, - &buf); - if (retval) { - bb_error_msg(_("while allocating inode buffer")); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 4, - "block interate buffer"); - for (group = 0; group < fs->group_desc_count; group++) { - retval = io_channel_read_blk(fs->io, - fs->group_desc[group].bg_inode_table, - fs->inode_blocks_per_group, buf); - if (retval) { - bb_error_msg(_("while reading inode table (group %d)"), - group); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - inode = (struct ext2_inode *) buf; - for (i=0; i < fs->super->s_inodes_per_group; - i++, ino++, inode++) { - ctx->stashed_ino = ino; - ctx->stashed_inode = inode; - - if (fs->flags & EXT2_FLAG_SWAP_BYTES_READ) - ext2fs_swap_inode(fs, inode, inode, 0); - - /* - * Skip deleted files. - */ - if (inode->i_links_count == 0) - continue; - - if (LINUX_S_ISDIR(inode->i_mode) || - ((inode->i_block[EXT2_IND_BLOCK] || - inode->i_block[EXT2_DIND_BLOCK] || - inode->i_block[EXT2_TIND_BLOCK]) && - ext2fs_inode_has_valid_blocks(inode))) - swap_inode_blocks(ctx, ino, block_buf, inode); - - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - - if (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE) - ext2fs_swap_inode(fs, inode, inode, 1); - } - retval = io_channel_write_blk(fs->io, - fs->group_desc[group].bg_inode_table, - fs->inode_blocks_per_group, buf); - if (retval) { - bb_error_msg(_("while writing inode table (group %d)"), - group); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - } - ext2fs_free_mem(&buf); - ext2fs_free_mem(&block_buf); - e2fsck_use_inode_shortcuts(ctx, 0); - ext2fs_flush_icache(fs); -} - -#if defined(__powerpc__) && BB_BIG_ENDIAN -/* - * On the PowerPC, the big-endian variant of the ext2 filesystem - * has its bitmaps stored as 32-bit words with bit 0 as the LSB - * of each word. Thus a bitmap with only bit 0 set would be, as - * a string of bytes, 00 00 00 01 00 ... - * To cope with this, we byte-reverse each word of a bitmap if - * we have a big-endian filesystem, that is, if we are *not* - * byte-swapping other word-sized numbers. - */ -#define EXT2_BIG_ENDIAN_BITMAPS -#endif - -#ifdef EXT2_BIG_ENDIAN_BITMAPS -static void ext2fs_swap_bitmap(ext2fs_generic_bitmap bmap) -{ - __u32 *p = (__u32 *) bmap->bitmap; - int n, nbytes = (bmap->end - bmap->start + 7) / 8; - - for (n = nbytes / sizeof(__u32); n > 0; --n, ++p) - *p = ext2fs_swab32(*p); -} -#endif - - -#ifdef ENABLE_SWAPFS -static void swap_filesys(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - if (!(ctx->options & E2F_OPT_PREEN)) - printf(_("Pass 0: Doing byte-swap of filesystem\n")); - - /* Byte swap */ - - if (fs->super->s_mnt_count) { - fprintf(stderr, _("%s: the filesystem must be freshly " - "checked using fsck\n" - "and not mounted before trying to " - "byte-swap it.\n"), ctx->device_name); - ctx->flags |= E2F_FLAG_ABORT; - return; - } - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - fs->flags &= ~(EXT2_FLAG_SWAP_BYTES| - EXT2_FLAG_SWAP_BYTES_WRITE); - fs->flags |= EXT2_FLAG_SWAP_BYTES_READ; - } else { - fs->flags &= ~EXT2_FLAG_SWAP_BYTES_READ; - fs->flags |= EXT2_FLAG_SWAP_BYTES_WRITE; - } - swap_inodes(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - return; - if (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE) - fs->flags |= EXT2_FLAG_SWAP_BYTES; - fs->flags &= ~(EXT2_FLAG_SWAP_BYTES_READ| - EXT2_FLAG_SWAP_BYTES_WRITE); - -#ifdef EXT2_BIG_ENDIAN_BITMAPS - e2fsck_read_bitmaps(ctx); - ext2fs_swap_bitmap(fs->inode_map); - ext2fs_swap_bitmap(fs->block_map); - fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_IB_DIRTY; -#endif - fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; - ext2fs_flush(fs); - fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; -} -#endif /* ENABLE_SWAPFS */ - -#endif - -/* - * util.c --- miscellaneous utilities - */ - - -void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size, - const char *description) -{ - void *ret; - char buf[256]; - - ret = malloc(size); - if (!ret) { - sprintf(buf, "Can't allocate %s\n", description); - bb_error_msg_and_die(buf); - } - memset(ret, 0, size); - return ret; -} - -static char *string_copy(const char *str, int len) -{ - char *ret; - - if (!str) - return NULL; - if (!len) - len = strlen(str); - ret = malloc(len+1); - if (ret) { - strncpy(ret, str, len); - ret[len] = 0; - } - return ret; -} - -#ifndef HAVE_CONIO_H -static int read_a_char(void) -{ - char c; - int r; - int fail = 0; - - while(1) { - if (e2fsck_global_ctx && - (e2fsck_global_ctx->flags & E2F_FLAG_CANCEL)) { - return 3; - } - r = read(0, &c, 1); - if (r == 1) - return c; - if (fail++ > 100) - break; - } - return EOF; -} -#endif - -static int ask_yn(const char * string, int def) -{ - int c; - const char *defstr; - static const char short_yes[] = "yY"; - static const char short_no[] = "nN"; - -#ifdef HAVE_TERMIOS_H - struct termios termios, tmp; - - tcgetattr (0, &termios); - tmp = termios; - tmp.c_lflag &= ~(ICANON | ECHO); - tmp.c_cc[VMIN] = 1; - tmp.c_cc[VTIME] = 0; - tcsetattr (0, TCSANOW, &tmp); -#endif - - if (def == 1) - defstr = "<y>"; - else if (def == 0) - defstr = "<n>"; - else - defstr = " (y/n)"; - printf("%s%s? ", string, defstr); - while (1) { - fflush (stdout); - if ((c = read_a_char()) == EOF) - break; - if (c == 3) { -#ifdef HAVE_TERMIOS_H - tcsetattr (0, TCSANOW, &termios); -#endif - if (e2fsck_global_ctx && - e2fsck_global_ctx->flags & E2F_FLAG_SETJMP_OK) { - puts("\n"); - longjmp(e2fsck_global_ctx->abort_loc, 1); - } - puts(_("cancelled!\n")); - return 0; - } - if (strchr(short_yes, (char) c)) { - def = 1; - break; - } - else if (strchr(short_no, (char) c)) { - def = 0; - break; - } - else if ((c == ' ' || c == '\n') && (def != -1)) - break; - } - if (def) - puts("yes\n"); - else - puts ("no\n"); -#ifdef HAVE_TERMIOS_H - tcsetattr (0, TCSANOW, &termios); -#endif - return def; -} - -int ask (e2fsck_t ctx, const char * string, int def) -{ - if (ctx->options & E2F_OPT_NO) { - printf(_("%s? no\n\n"), string); - return 0; - } - if (ctx->options & E2F_OPT_YES) { - printf(_("%s? yes\n\n"), string); - return 1; - } - if (ctx->options & E2F_OPT_PREEN) { - printf("%s? %s\n\n", string, def ? _("yes") : _("no")); - return def; - } - return ask_yn(string, def); -} - -void e2fsck_read_bitmaps(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - - if (ctx->invalid_bitmaps) { - bb_error_msg(_("e2fsck_read_bitmaps: illegal bitmap block(s) for %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } - - ehandler_operation(_("reading inode and block bitmaps")); - retval = ext2fs_read_bitmaps(fs); - ehandler_operation(0); - if (retval) { - bb_error_msg(_("while retrying to read bitmaps for %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } -} - -static void e2fsck_write_bitmaps(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - errcode_t retval; - - if (ext2fs_test_bb_dirty(fs)) { - ehandler_operation(_("writing block bitmaps")); - retval = ext2fs_write_block_bitmap(fs); - ehandler_operation(0); - if (retval) { - bb_error_msg(_("while retrying to write block bitmaps for %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } - } - - if (ext2fs_test_ib_dirty(fs)) { - ehandler_operation(_("writing inode bitmaps")); - retval = ext2fs_write_inode_bitmap(fs); - ehandler_operation(0); - if (retval) { - bb_error_msg(_("while retrying to write inode bitmaps for %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } - } -} - -void preenhalt(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - - if (!(ctx->options & E2F_OPT_PREEN)) - return; - fprintf(stderr, _("\n\n%s: UNEXPECTED INCONSISTENCY; " - "RUN fsck MANUALLY.\n\t(i.e., without -a or -p options)\n"), - ctx->device_name); - if (fs != NULL) { - fs->super->s_state |= EXT2_ERROR_FS; - ext2fs_mark_super_dirty(fs); - ext2fs_close(fs); - } - exit(EXIT_UNCORRECTED); -} - -void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino, - struct ext2_inode * inode, const char *proc) -{ - int retval; - - retval = ext2fs_read_inode(ctx->fs, ino, inode); - if (retval) { - bb_error_msg(_("while reading inode %ld in %s"), ino, proc); - bb_error_msg_and_die(0); - } -} - -extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino, - struct ext2_inode * inode, int bufsize, - const char *proc) -{ - int retval; - - retval = ext2fs_write_inode_full(ctx->fs, ino, inode, bufsize); - if (retval) { - bb_error_msg(_("while writing inode %ld in %s"), ino, proc); - bb_error_msg_and_die(0); - } -} - -extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino, - struct ext2_inode * inode, const char *proc) -{ - int retval; - - retval = ext2fs_write_inode(ctx->fs, ino, inode); - if (retval) { - bb_error_msg(_("while writing inode %ld in %s"), ino, proc); - bb_error_msg_and_die(0); - } -} - -blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, const char *name, - io_manager manager) -{ - struct ext2_super_block *sb; - io_channel io = NULL; - void *buf = NULL; - int blocksize; - blk_t superblock, ret_sb = 8193; - - if (fs && fs->super) { - ret_sb = (fs->super->s_blocks_per_group + - fs->super->s_first_data_block); - if (ctx) { - ctx->superblock = ret_sb; - ctx->blocksize = fs->blocksize; - } - return ret_sb; - } - - if (ctx) { - if (ctx->blocksize) { - ret_sb = ctx->blocksize * 8; - if (ctx->blocksize == 1024) - ret_sb++; - ctx->superblock = ret_sb; - return ret_sb; - } - ctx->superblock = ret_sb; - ctx->blocksize = 1024; - } - - if (!name || !manager) - goto cleanup; - - if (manager->open(name, 0, &io) != 0) - goto cleanup; - - if (ext2fs_get_mem(SUPERBLOCK_SIZE, &buf)) - goto cleanup; - sb = (struct ext2_super_block *) buf; - - for (blocksize = EXT2_MIN_BLOCK_SIZE; - blocksize <= EXT2_MAX_BLOCK_SIZE ; blocksize *= 2) { - superblock = blocksize*8; - if (blocksize == 1024) - superblock++; - io_channel_set_blksize(io, blocksize); - if (io_channel_read_blk(io, superblock, - -SUPERBLOCK_SIZE, buf)) - continue; -#if BB_BIG_ENDIAN - if (sb->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC)) - ext2fs_swap_super(sb); -#endif - if (sb->s_magic == EXT2_SUPER_MAGIC) { - ret_sb = superblock; - if (ctx) { - ctx->superblock = superblock; - ctx->blocksize = blocksize; - } - break; - } - } - -cleanup: - if (io) - io_channel_close(io); - ext2fs_free_mem(&buf); - return ret_sb; -} - - -/* - * This function runs through the e2fsck passes and calls them all, - * returning restart, abort, or cancel as necessary... - */ -typedef void (*pass_t)(e2fsck_t ctx); - -static const pass_t e2fsck_passes[] = { - e2fsck_pass1, e2fsck_pass2, e2fsck_pass3, e2fsck_pass4, - e2fsck_pass5, 0 }; - -#define E2F_FLAG_RUN_RETURN (E2F_FLAG_SIGNAL_MASK|E2F_FLAG_RESTART) - -static int e2fsck_run(e2fsck_t ctx) -{ - int i; - pass_t e2fsck_pass; - - if (setjmp(ctx->abort_loc)) { - ctx->flags &= ~E2F_FLAG_SETJMP_OK; - return (ctx->flags & E2F_FLAG_RUN_RETURN); - } - ctx->flags |= E2F_FLAG_SETJMP_OK; - - for (i=0; (e2fsck_pass = e2fsck_passes[i]); i++) { - if (ctx->flags & E2F_FLAG_RUN_RETURN) - break; - e2fsck_pass(ctx); - if (ctx->progress) - (void) (ctx->progress)(ctx, 0, 0, 0); - } - ctx->flags &= ~E2F_FLAG_SETJMP_OK; - - if (ctx->flags & E2F_FLAG_RUN_RETURN) - return (ctx->flags & E2F_FLAG_RUN_RETURN); - return 0; -} - - -/* - * unix.c - The unix-specific code for e2fsck - */ - - -/* Command line options */ -static int swapfs; -#ifdef ENABLE_SWAPFS -static int normalize_swapfs; -#endif -static int cflag; /* check disk */ -static int show_version_only; -static int verbose; - -#define P_E2(singular, plural, n) n, ((n) == 1 ? singular : plural) - -static void show_stats(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - int inodes, inodes_used, blocks, blocks_used; - int dir_links; - int num_files, num_links; - int frag_percent; - - dir_links = 2 * ctx->fs_directory_count - 1; - num_files = ctx->fs_total_count - dir_links; - num_links = ctx->fs_links_count - dir_links; - inodes = fs->super->s_inodes_count; - inodes_used = (fs->super->s_inodes_count - - fs->super->s_free_inodes_count); - blocks = fs->super->s_blocks_count; - blocks_used = (fs->super->s_blocks_count - - fs->super->s_free_blocks_count); - - frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; - frag_percent = (frag_percent + 5) / 10; - - if (!verbose) { - printf("%s: %d/%d files (%0d.%d%% non-contiguous), %d/%d blocks\n", - ctx->device_name, inodes_used, inodes, - frag_percent / 10, frag_percent % 10, - blocks_used, blocks); - return; - } - printf("\n%8d inode%s used (%d%%)\n", P_E2("", "s", inodes_used), - 100 * inodes_used / inodes); - printf("%8d non-contiguous inode%s (%0d.%d%%)\n", - P_E2("", "s", ctx->fs_fragmented), - frag_percent / 10, frag_percent % 10); - printf(_(" # of inodes with ind/dind/tind blocks: %d/%d/%d\n"), - ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); - printf("%8d block%s used (%d%%)\n", P_E2("", "s", blocks_used), - (int) ((long long) 100 * blocks_used / blocks)); - printf("%8d large file%s\n", P_E2("", "s", ctx->large_files)); - printf("\n%8d regular file%s\n", P_E2("", "s", ctx->fs_regular_count)); - printf("%8d director%s\n", P_E2("y", "ies", ctx->fs_directory_count)); - printf("%8d character device file%s\n", P_E2("", "s", ctx->fs_chardev_count)); - printf("%8d block device file%s\n", P_E2("", "s", ctx->fs_blockdev_count)); - printf("%8d fifo%s\n", P_E2("", "s", ctx->fs_fifo_count)); - printf("%8d link%s\n", P_E2("", "s", ctx->fs_links_count - dir_links)); - printf("%8d symbolic link%s", P_E2("", "s", ctx->fs_symlinks_count)); - printf(" (%d fast symbolic link%s)\n", P_E2("", "s", ctx->fs_fast_symlinks_count)); - printf("%8d socket%s--------\n\n", P_E2("", "s", ctx->fs_sockets_count)); - printf("%8d file%s\n", P_E2("", "s", ctx->fs_total_count - dir_links)); -} - -static void check_mount(e2fsck_t ctx) -{ - errcode_t retval; - int cont; - - retval = ext2fs_check_if_mounted(ctx->filesystem_name, - &ctx->mount_flags); - if (retval) { - bb_error_msg(_("while determining whether %s is mounted."), - ctx->filesystem_name); - return; - } - - /* - * If the filesystem isn't mounted, or it's the root filesystem - * and it's mounted read-only, then everything's fine. - */ - if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || - ((ctx->mount_flags & EXT2_MF_ISROOT) && - (ctx->mount_flags & EXT2_MF_READONLY))) - return; - - if (ctx->options & E2F_OPT_READONLY) { - printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); - return; - } - - printf(_("%s is mounted. "), ctx->filesystem_name); - if (!ctx->interactive) - bb_error_msg_and_die(_("Cannot continue, aborting.")); - printf(_("\n\n\007\007\007\007WARNING!!! " - "Running e2fsck on a mounted filesystem may cause\n" - "SEVERE filesystem damage.\007\007\007\n\n")); - cont = ask_yn(_("Do you really want to continue"), -1); - if (!cont) { - printf(_("check aborted.\n")); - exit (0); - } - return; -} - -static int is_on_batt(void) -{ - FILE *f; - DIR *d; - char tmp[80], tmp2[80], fname[80]; - unsigned int acflag; - struct dirent* de; - - f = fopen("/proc/apm", "r"); - if (f) { - if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) - acflag = 1; - fclose(f); - return (acflag != 1); - } - d = opendir("/proc/acpi/ac_adapter"); - if (d) { - while ((de=readdir(d)) != NULL) { - if (!strncmp(".", de->d_name, 1)) - continue; - snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", - de->d_name); - f = fopen(fname, "r"); - if (!f) - continue; - if (fscanf(f, "%s %s", tmp2, tmp) != 2) - tmp[0] = 0; - fclose(f); - if (strncmp(tmp, "off-line", 8) == 0) { - closedir(d); - return 1; - } - } - closedir(d); - } - return 0; -} - -/* - * This routine checks to see if a filesystem can be skipped; if so, - * it will exit with EXIT_OK. Under some conditions it will print a - * message explaining why a check is being forced. - */ -static void check_if_skip(e2fsck_t ctx) -{ - ext2_filsys fs = ctx->fs; - const char *reason = NULL; - unsigned int reason_arg = 0; - long next_check; - int batt = is_on_batt(); - time_t now = time(0); - - if ((ctx->options & E2F_OPT_FORCE) || cflag || swapfs) - return; - - if ((fs->super->s_state & EXT2_ERROR_FS) || - !ext2fs_test_valid(fs)) - reason = _(" contains a file system with errors"); - else if ((fs->super->s_state & EXT2_VALID_FS) == 0) - reason = _(" was not cleanly unmounted"); - else if ((fs->super->s_max_mnt_count > 0) && - (fs->super->s_mnt_count >= - (unsigned) fs->super->s_max_mnt_count)) { - reason = _(" has been mounted %u times without being checked"); - reason_arg = fs->super->s_mnt_count; - if (batt && (fs->super->s_mnt_count < - (unsigned) fs->super->s_max_mnt_count*2)) - reason = 0; - } else if (fs->super->s_checkinterval && - ((now - fs->super->s_lastcheck) >= - fs->super->s_checkinterval)) { - reason = _(" has gone %u days without being checked"); - reason_arg = (now - fs->super->s_lastcheck)/(3600*24); - if (batt && ((now - fs->super->s_lastcheck) < - fs->super->s_checkinterval*2)) - reason = 0; - } - if (reason) { - fputs(ctx->device_name, stdout); - printf(reason, reason_arg); - fputs(_(", check forced.\n"), stdout); - return; - } - printf(_("%s: clean, %d/%d files, %d/%d blocks"), ctx->device_name, - fs->super->s_inodes_count - fs->super->s_free_inodes_count, - fs->super->s_inodes_count, - fs->super->s_blocks_count - fs->super->s_free_blocks_count, - fs->super->s_blocks_count); - next_check = 100000; - if (fs->super->s_max_mnt_count > 0) { - next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; - if (next_check <= 0) - next_check = 1; - } - if (fs->super->s_checkinterval && - ((now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) - next_check = 1; - if (next_check <= 5) { - if (next_check == 1) - fputs(_(" (check after next mount)"), stdout); - else - printf(_(" (check in %ld mounts)"), next_check); - } - fputc('\n', stdout); - ext2fs_close(fs); - ctx->fs = NULL; - e2fsck_free_context(ctx); - exit(EXIT_OK); -} - -/* - * For completion notice - */ -struct percent_tbl { - int max_pass; - int table[32]; -}; -static const struct percent_tbl e2fsck_tbl = { - 5, { 0, 70, 90, 92, 95, 100 } -}; - -static char bar[128], spaces[128]; - -static float calc_percent(const struct percent_tbl *tbl, int pass, int curr, - int max) -{ - float percent; - - if (pass <= 0) - return 0.0; - if (pass > tbl->max_pass || max == 0) - return 100.0; - percent = ((float) curr) / ((float) max); - return ((percent * (tbl->table[pass] - tbl->table[pass-1])) - + tbl->table[pass-1]); -} - -void e2fsck_clear_progbar(e2fsck_t ctx) -{ - if (!(ctx->flags & E2F_FLAG_PROG_BAR)) - return; - - printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), - ctx->stop_meta); - fflush(stdout); - ctx->flags &= ~E2F_FLAG_PROG_BAR; -} - -int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, - unsigned int dpynum) -{ - static const char spinner[] = "\\|/-"; - int i; - unsigned int tick; - struct timeval tv; - int dpywidth; - int fixed_percent; - - if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) - return 0; - - /* - * Calculate the new progress position. If the - * percentage hasn't changed, then we skip out right - * away. - */ - fixed_percent = (int) ((10 * percent) + 0.5); - if (ctx->progress_last_percent == fixed_percent) - return 0; - ctx->progress_last_percent = fixed_percent; - - /* - * If we've already updated the spinner once within - * the last 1/8th of a second, no point doing it - * again. - */ - gettimeofday(&tv, NULL); - tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); - if ((tick == ctx->progress_last_time) && - (fixed_percent != 0) && (fixed_percent != 1000)) - return 0; - ctx->progress_last_time = tick; - - /* - * Advance the spinner, and note that the progress bar - * will be on the screen - */ - ctx->progress_pos = (ctx->progress_pos+1) & 3; - ctx->flags |= E2F_FLAG_PROG_BAR; - - dpywidth = 66 - strlen(label); - dpywidth = 8 * (dpywidth / 8); - if (dpynum) - dpywidth -= 8; - - i = ((percent * dpywidth) + 50) / 100; - printf("%s%s: |%s%s", ctx->start_meta, label, - bar + (sizeof(bar) - (i+1)), - spaces + (sizeof(spaces) - (dpywidth - i + 1))); - if (fixed_percent == 1000) - fputc('|', stdout); - else - fputc(spinner[ctx->progress_pos & 3], stdout); - printf(" %4.1f%% ", percent); - if (dpynum) - printf("%u\r", dpynum); - else - fputs(" \r", stdout); - fputs(ctx->stop_meta, stdout); - - if (fixed_percent == 1000) - e2fsck_clear_progbar(ctx); - fflush(stdout); - - return 0; -} - -static int e2fsck_update_progress(e2fsck_t ctx, int pass, - unsigned long cur, unsigned long max) -{ - char buf[80]; - float percent; - - if (pass == 0) - return 0; - - if (ctx->progress_fd) { - sprintf(buf, "%d %lu %lu\n", pass, cur, max); - write(ctx->progress_fd, buf, strlen(buf)); - } else { - percent = calc_percent(&e2fsck_tbl, pass, cur, max); - e2fsck_simple_progress(ctx, ctx->device_name, - percent, 0); - } - return 0; -} - -static void reserve_stdio_fds(void) -{ - int fd; - - while (1) { - fd = open(bb_dev_null, O_RDWR); - if (fd > 2) - break; - if (fd < 0) { - fprintf(stderr, _("ERROR: Cannot open " - "/dev/null (%s)\n"), - strerror(errno)); - break; - } - } - close(fd); -} - -static void signal_progress_on(int sig FSCK_ATTR((unused))) -{ - e2fsck_t ctx = e2fsck_global_ctx; - - if (!ctx) - return; - - ctx->progress = e2fsck_update_progress; - ctx->progress_fd = 0; -} - -static void signal_progress_off(int sig FSCK_ATTR((unused))) -{ - e2fsck_t ctx = e2fsck_global_ctx; - - if (!ctx) - return; - - e2fsck_clear_progbar(ctx); - ctx->progress = 0; -} - -static void signal_cancel(int sig FSCK_ATTR((unused))) -{ - e2fsck_t ctx = e2fsck_global_ctx; - - if (!ctx) - exit(FSCK_CANCELED); - - ctx->flags |= E2F_FLAG_CANCEL; -} - -static void parse_extended_opts(e2fsck_t ctx, const char *opts) -{ - char *buf, *token, *next, *p, *arg; - int ea_ver; - int extended_usage = 0; - - buf = string_copy(opts, 0); - for (token = buf; token && *token; token = next) { - p = strchr(token, ','); - next = 0; - if (p) { - *p = 0; - next = p+1; - } - arg = strchr(token, '='); - if (arg) { - *arg = 0; - arg++; - } - if (strcmp(token, "ea_ver") == 0) { - if (!arg) { - extended_usage++; - continue; - } - ea_ver = strtoul(arg, &p, 0); - if (*p || - ((ea_ver != 1) && (ea_ver != 2))) { - fprintf(stderr, - _("Invalid EA version.\n")); - extended_usage++; - continue; - } - ctx->ext_attr_ver = ea_ver; - } else { - fprintf(stderr, _("Unknown extended option: %s\n"), - token); - extended_usage++; - } - } - if (extended_usage) { - bb_error_msg_and_die( - "Extended options are separated by commas, " - "and may take an argument which\n" - "is set off by an equals ('=') sign. " - "Valid extended options are:\n" - "\tea_ver=<ea_version (1 or 2)>\n\n"); - } -} - - -static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) -{ - int flush = 0; - int c, fd; - e2fsck_t ctx; - errcode_t retval; - struct sigaction sa; - char *extended_opts = 0; - - retval = e2fsck_allocate_context(&ctx); - if (retval) - return retval; - - *ret_ctx = ctx; - - setvbuf(stdout, NULL, _IONBF, BUFSIZ); - setvbuf(stderr, NULL, _IONBF, BUFSIZ); - if (isatty(0) && isatty(1)) { - ctx->interactive = 1; - } else { - ctx->start_meta[0] = '\001'; - ctx->stop_meta[0] = '\002'; - } - memset(bar, '=', sizeof(bar)-1); - memset(spaces, ' ', sizeof(spaces)-1); - blkid_get_cache(&ctx->blkid, NULL); - - if (argc && *argv) - ctx->program_name = *argv; - else - ctx->program_name = "e2fsck"; - while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) - switch (c) { - case 'C': - ctx->progress = e2fsck_update_progress; - ctx->progress_fd = atoi(optarg); - if (!ctx->progress_fd) - break; - /* Validate the file descriptor to avoid disasters */ - fd = dup(ctx->progress_fd); - if (fd < 0) { - fprintf(stderr, - _("Error validating file descriptor %d: %s\n"), - ctx->progress_fd, - error_message(errno)); - bb_error_msg_and_die(_("Invalid completion information file descriptor")); - } else - close(fd); - break; - case 'D': - ctx->options |= E2F_OPT_COMPRESS_DIRS; - break; - case 'E': - extended_opts = optarg; - break; - case 'p': - case 'a': - if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { - conflict_opt: - bb_error_msg_and_die(_("Only one the options -p/-a, -n or -y may be specified.")); - } - ctx->options |= E2F_OPT_PREEN; - break; - case 'n': - if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) - goto conflict_opt; - ctx->options |= E2F_OPT_NO; - break; - case 'y': - if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) - goto conflict_opt; - ctx->options |= E2F_OPT_YES; - break; - case 't': - /* FIXME - This needs to go away in a future path - will change binary */ - fprintf(stderr, _("The -t option is not " - "supported on this version of e2fsck.\n")); - break; - case 'c': - if (cflag++) - ctx->options |= E2F_OPT_WRITECHECK; - ctx->options |= E2F_OPT_CHECKBLOCKS; - break; - case 'r': - /* What we do by default, anyway! */ - break; - case 'b': - ctx->use_superblock = atoi(optarg); - ctx->flags |= E2F_FLAG_SB_SPECIFIED; - break; - case 'B': - ctx->blocksize = atoi(optarg); - break; - case 'I': - ctx->inode_buffer_blocks = atoi(optarg); - break; - case 'j': - ctx->journal_name = string_copy(optarg, 0); - break; - case 'P': - ctx->process_inode_size = atoi(optarg); - break; - case 'd': - ctx->options |= E2F_OPT_DEBUG; - break; - case 'f': - ctx->options |= E2F_OPT_FORCE; - break; - case 'F': - flush = 1; - break; - case 'v': - verbose = 1; - break; - case 'V': - show_version_only = 1; - break; - case 'N': - ctx->device_name = optarg; - break; -#ifdef ENABLE_SWAPFS - case 's': - normalize_swapfs = 1; - case 'S': - swapfs = 1; - break; -#else - case 's': - case 'S': - fprintf(stderr, _("Byte-swapping filesystems " - "not compiled in this version " - "of e2fsck\n")); - exit(1); -#endif - default: - bb_show_usage(); - } - if (show_version_only) - return 0; - if (optind != argc - 1) - bb_show_usage(); - if ((ctx->options & E2F_OPT_NO) && - !cflag && !swapfs && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) - ctx->options |= E2F_OPT_READONLY; - ctx->io_options = strchr(argv[optind], '?'); - if (ctx->io_options) - *ctx->io_options++ = 0; - ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); - if (!ctx->filesystem_name) { - bb_error_msg(_("Unable to resolve '%s'"), argv[optind]); - bb_error_msg_and_die(0); - } - if (extended_opts) - parse_extended_opts(ctx, extended_opts); - - if (flush) { - fd = open(ctx->filesystem_name, O_RDONLY, 0); - if (fd < 0) { - bb_error_msg(_("while opening %s for flushing"), - ctx->filesystem_name); - bb_error_msg_and_die(0); - } - if ((retval = ext2fs_sync_device(fd, 1))) { - bb_error_msg(_("while trying to flush %s"), - ctx->filesystem_name); - bb_error_msg_and_die(0); - } - close(fd); - } -#ifdef ENABLE_SWAPFS - if (swapfs && cflag) { - fprintf(stderr, _("Incompatible options not " - "allowed when byte-swapping.\n")); - exit(EXIT_USAGE); - } -#endif - /* - * Set up signal action - */ - memset(&sa, 0, sizeof(struct sigaction)); - sa.sa_handler = signal_cancel; - sigaction(SIGINT, &sa, 0); - sigaction(SIGTERM, &sa, 0); -#ifdef SA_RESTART - sa.sa_flags = SA_RESTART; -#endif - e2fsck_global_ctx = ctx; - sa.sa_handler = signal_progress_on; - sigaction(SIGUSR1, &sa, 0); - sa.sa_handler = signal_progress_off; - sigaction(SIGUSR2, &sa, 0); - - /* Update our PATH to include /sbin if we need to run badblocks */ - if (cflag) - e2fs_set_sbin_path(); - return 0; -} - -static const char my_ver_string[] = E2FSPROGS_VERSION; -static const char my_ver_date[] = E2FSPROGS_DATE; - -int e2fsck_main (int argc, char *argv[]) -{ - errcode_t retval; - int exit_value = EXIT_OK; - ext2_filsys fs = 0; - io_manager io_ptr; - struct ext2_super_block *sb; - const char *lib_ver_date; - int my_ver, lib_ver; - e2fsck_t ctx; - struct problem_context pctx; - int flags, run_result; - - clear_problem_context(&pctx); - - my_ver = ext2fs_parse_version_string(my_ver_string); - lib_ver = ext2fs_get_library_version(0, &lib_ver_date); - if (my_ver > lib_ver) { - fprintf( stderr, _("Error: ext2fs library version " - "out of date!\n")); - show_version_only++; - } - - retval = PRS(argc, argv, &ctx); - if (retval) { - bb_error_msg(_("while trying to initialize program")); - exit(EXIT_ERROR); - } - reserve_stdio_fds(); - - if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) - fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, - my_ver_date); - - if (show_version_only) { - fprintf(stderr, _("\tUsing %s, %s\n"), - error_message(EXT2_ET_BASE), lib_ver_date); - exit(EXIT_OK); - } - - check_mount(ctx); - - if (!(ctx->options & E2F_OPT_PREEN) && - !(ctx->options & E2F_OPT_NO) && - !(ctx->options & E2F_OPT_YES)) { - if (!ctx->interactive) - bb_error_msg_and_die(_("need terminal for interactive repairs")); - } - ctx->superblock = ctx->use_superblock; -restart: -#ifdef CONFIG_TESTIO_DEBUG - io_ptr = test_io_manager; - test_io_backing_manager = unix_io_manager; -#else - io_ptr = unix_io_manager; -#endif - flags = 0; - if ((ctx->options & E2F_OPT_READONLY) == 0) - flags |= EXT2_FLAG_RW; - - if (ctx->superblock && ctx->blocksize) { - retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, - flags, ctx->superblock, ctx->blocksize, - io_ptr, &fs); - } else if (ctx->superblock) { - int blocksize; - for (blocksize = EXT2_MIN_BLOCK_SIZE; - blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { - retval = ext2fs_open2(ctx->filesystem_name, - ctx->io_options, flags, - ctx->superblock, blocksize, - io_ptr, &fs); - if (!retval) - break; - } - } else - retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, - flags, 0, 0, io_ptr, &fs); - if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && - !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && - ((retval == EXT2_ET_BAD_MAGIC) || - ((retval == 0) && ext2fs_check_desc(fs)))) { - if (!fs || (fs->group_desc_count > 1)) { - printf(_("%s trying backup blocks...\n"), - retval ? _("Couldn't find ext2 superblock,") : - _("Group descriptors look bad...")); - get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); - if (fs) - ext2fs_close(fs); - goto restart; - } - } - if (retval) { - bb_error_msg(_("while trying to open %s"), - ctx->filesystem_name); - if (retval == EXT2_ET_REV_TOO_HIGH) { - printf(_("The filesystem revision is apparently " - "too high for this version of e2fsck.\n" - "(Or the filesystem superblock " - "is corrupt)\n\n")); - fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); - } else if (retval == EXT2_ET_SHORT_READ) - printf(_("Could this be a zero-length partition?\n")); - else if ((retval == EPERM) || (retval == EACCES)) - printf(_("You must have %s access to the " - "filesystem or be root\n"), - (ctx->options & E2F_OPT_READONLY) ? - "r/o" : "r/w"); - else if (retval == ENXIO) - printf(_("Possibly non-existent or swap device?\n")); -#ifdef EROFS - else if (retval == EROFS) - printf(_("Disk write-protected; use the -n option " - "to do a read-only\n" - "check of the device.\n")); -#endif - else - fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); - bb_error_msg_and_die(0); - } - ctx->fs = fs; - fs->priv_data = ctx; - sb = fs->super; - if (sb->s_rev_level > E2FSCK_CURRENT_REV) { - bb_error_msg(_("while trying to open %s"), - ctx->filesystem_name); - get_newer: - bb_error_msg_and_die(_("Get a newer version of e2fsck!")); - } - - /* - * Set the device name, which is used whenever we print error - * or informational messages to the user. - */ - if (ctx->device_name == 0 && - (sb->s_volume_name[0] != 0)) { - ctx->device_name = string_copy(sb->s_volume_name, - sizeof(sb->s_volume_name)); - } - if (ctx->device_name == 0) - ctx->device_name = ctx->filesystem_name; - - /* - * Make sure the ext3 superblock fields are consistent. - */ - retval = e2fsck_check_ext3_journal(ctx); - if (retval) { - bb_error_msg(_("while checking ext3 journal for %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } - - /* - * Check to see if we need to do ext3-style recovery. If so, - * do it, and then restart the fsck. - */ - if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { - if (ctx->options & E2F_OPT_READONLY) { - printf(_("Warning: skipping journal recovery " - "because doing a read-only filesystem " - "check.\n")); - io_channel_flush(ctx->fs->io); - } else { - if (ctx->flags & E2F_FLAG_RESTARTED) { - /* - * Whoops, we attempted to run the - * journal twice. This should never - * happen, unless the hardware or - * device driver is being bogus. - */ - bb_error_msg(_("cannot set superblock flags on %s"), ctx->device_name); - bb_error_msg_and_die(0); - } - retval = e2fsck_run_ext3_journal(ctx); - if (retval) { - bb_error_msg(_("while recovering ext3 journal of %s"), - ctx->device_name); - bb_error_msg_and_die(0); - } - ext2fs_close(ctx->fs); - ctx->fs = 0; - ctx->flags |= E2F_FLAG_RESTARTED; - goto restart; - } - } - - /* - * Check for compatibility with the feature sets. We need to - * be more stringent than ext2fs_open(). - */ - if ((sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP) || - (sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP)) { - bb_error_msg("(%s)", ctx->device_name); - goto get_newer; - } - if (sb->s_feature_ro_compat & ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP) { - bb_error_msg("(%s)", ctx->device_name); - goto get_newer; - } -#ifdef ENABLE_COMPRESSION - /* FIXME - do we support this at all? */ - if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) - bb_error_msg(_("Warning: compression support is experimental.")); -#endif -#ifndef ENABLE_HTREE - if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { - bb_error_msg(_("E2fsck not compiled with HTREE support,\n\t" - "but filesystem %s has HTREE directories."), - ctx->device_name); - goto get_newer; - } -#endif - - /* - * If the user specified a specific superblock, presumably the - * master superblock has been trashed. So we mark the - * superblock as dirty, so it can be written out. - */ - if (ctx->superblock && - !(ctx->options & E2F_OPT_READONLY)) - ext2fs_mark_super_dirty(fs); - - /* - * We only update the master superblock because (a) paranoia; - * we don't want to corrupt the backup superblocks, and (b) we - * don't need to update the mount count and last checked - * fields in the backup superblock (the kernel doesn't - * update the backup superblocks anyway). - */ - fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; - - ehandler_init(fs->io); - - if (ctx->superblock) - set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); - ext2fs_mark_valid(fs); - check_super_block(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - bb_error_msg_and_die(0); - check_if_skip(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - bb_error_msg_and_die(0); -#ifdef ENABLE_SWAPFS - -#ifdef WORDS_BIGENDIAN -#define NATIVE_FLAG EXT2_FLAG_SWAP_BYTES -#else -#define NATIVE_FLAG 0 -#endif - - - if (normalize_swapfs) { - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) == NATIVE_FLAG) { - fprintf(stderr, _("%s: Filesystem byte order " - "already normalized.\n"), ctx->device_name); - bb_error_msg_and_die(0); - } - } - if (swapfs) { - swap_filesys(ctx); - if (ctx->flags & E2F_FLAG_SIGNAL_MASK) - bb_error_msg_and_die(0); - } -#endif - - /* - * Mark the system as valid, 'til proven otherwise - */ - ext2fs_mark_valid(fs); - - retval = ext2fs_read_bb_inode(fs, &fs->badblocks); - if (retval) { - bb_error_msg(_("while reading bad blocks inode")); - preenhalt(ctx); - printf(_("This doesn't bode well," - " but we'll try to go on...\n")); - } - - run_result = e2fsck_run(ctx); - e2fsck_clear_progbar(ctx); - if (run_result == E2F_FLAG_RESTART) { - printf(_("Restarting e2fsck from the beginning...\n")); - retval = e2fsck_reset_context(ctx); - if (retval) { - bb_error_msg(_("while resetting context")); - bb_error_msg_and_die(0); - } - ext2fs_close(fs); - goto restart; - } - if (run_result & E2F_FLAG_CANCEL) { - printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? - ctx->device_name : ctx->filesystem_name); - exit_value |= FSCK_CANCELED; - } - if (run_result & E2F_FLAG_ABORT) - bb_error_msg_and_die(_("aborted")); - - /* Cleanup */ - if (ext2fs_test_changed(fs)) { - exit_value |= EXIT_NONDESTRUCT; - if (!(ctx->options & E2F_OPT_PREEN)) - printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), - ctx->device_name); - if (ctx->mount_flags & EXT2_MF_ISROOT) { - printf(_("%s: ***** REBOOT LINUX *****\n"), - ctx->device_name); - exit_value |= EXIT_DESTRUCT; - } - } - if (!ext2fs_test_valid(fs)) { - printf(_("\n%s: ********** WARNING: Filesystem still has " - "errors **********\n\n"), ctx->device_name); - exit_value |= EXIT_UNCORRECTED; - exit_value &= ~EXIT_NONDESTRUCT; - } - if (exit_value & FSCK_CANCELED) - exit_value &= ~EXIT_NONDESTRUCT; - else { - show_stats(ctx); - if (!(ctx->options & E2F_OPT_READONLY)) { - if (ext2fs_test_valid(fs)) { - if (!(sb->s_state & EXT2_VALID_FS)) - exit_value |= EXIT_NONDESTRUCT; - sb->s_state = EXT2_VALID_FS; - } else - sb->s_state &= ~EXT2_VALID_FS; - sb->s_mnt_count = 0; - sb->s_lastcheck = time(NULL); - ext2fs_mark_super_dirty(fs); - } - } - - e2fsck_write_bitmaps(ctx); - - ext2fs_close(fs); - ctx->fs = NULL; - free(ctx->filesystem_name); - free(ctx->journal_name); - e2fsck_free_context(ctx); - - return exit_value; -} diff --git a/e2fsprogs/e2fsck.h b/e2fsprogs/e2fsck.h deleted file mode 100644 index e520632a0..000000000 --- a/e2fsprogs/e2fsck.h +++ /dev/null @@ -1,640 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#include <sys/types.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#include <time.h> -#include <fcntl.h> -#include <ctype.h> -#include <setjmp.h> -#include <errno.h> -#include <getopt.h> -#include <limits.h> -#include <stddef.h> -#include <assert.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/resource.h> -#include <sys/param.h> -#include <sys/mount.h> -#include <sys/ioctl.h> -#include <termios.h> -#include <mntent.h> -#include <dirent.h> -#include "ext2fs/kernel-list.h" -#include <sys/types.h> -#include <linux/types.h> - -/* - * Now pull in the real linux/jfs.h definitions. - */ -#include "ext2fs/kernel-jbd.h" - - - -#include "fsck.h" - -#include "ext2fs/ext2_fs.h" -#include "blkid/blkid.h" -#include "ext2fs/ext2_ext_attr.h" -#include "uuid/uuid.h" -#include "busybox.h" - -#ifdef HAVE_CONIO_H -#undef HAVE_TERMIOS_H -#include <conio.h> -#define read_a_char() getch() -#else -#ifdef HAVE_TERMIOS_H -#include <termios.h> -#endif -#endif - - -/* - * The last ext2fs revision level that this version of e2fsck is able to - * support - */ -#define E2FSCK_CURRENT_REV 1 - -/* Used by the region allocation code */ -typedef __u32 region_addr_t; -typedef struct region_struct *region_t; - -struct dx_dirblock_info { - int type; - blk_t phys; - int flags; - blk_t parent; - ext2_dirhash_t min_hash; - ext2_dirhash_t max_hash; - ext2_dirhash_t node_min_hash; - ext2_dirhash_t node_max_hash; -}; - -/* -These defines are used in the type field of dx_dirblock_info -*/ - -#define DX_DIRBLOCK_ROOT 1 -#define DX_DIRBLOCK_LEAF 2 -#define DX_DIRBLOCK_NODE 3 - - -/* -The following defines are used in the 'flags' field of a dx_dirblock_info -*/ -#define DX_FLAG_REFERENCED 1 -#define DX_FLAG_DUP_REF 2 -#define DX_FLAG_FIRST 4 -#define DX_FLAG_LAST 8 - -/* - * E2fsck options - */ -#define E2F_OPT_READONLY 0x0001 -#define E2F_OPT_PREEN 0x0002 -#define E2F_OPT_YES 0x0004 -#define E2F_OPT_NO 0x0008 -#define E2F_OPT_TIME 0x0010 -#define E2F_OPT_CHECKBLOCKS 0x0040 -#define E2F_OPT_DEBUG 0x0080 -#define E2F_OPT_FORCE 0x0100 -#define E2F_OPT_WRITECHECK 0x0200 -#define E2F_OPT_COMPRESS_DIRS 0x0400 - -/* - * E2fsck flags - */ -#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */ -#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */ -#define E2F_FLAG_SIGNAL_MASK 0x0003 -#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */ - -#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */ - -#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */ -#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */ -#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */ -#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly - * specified by the user */ -#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */ -#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */ - - -/*Don't know where these come from*/ -#define READ 0 -#define WRITE 1 -#define cpu_to_be32(n) htonl(n) -#define be32_to_cpu(n) ntohl(n) - -/* - * We define a set of "latch groups"; these are problems which are - * handled as a set. The user answers once for a particular latch - * group. - */ -#define PR_LATCH_MASK 0x0ff0 /* Latch mask */ -#define PR_LATCH_BLOCK 0x0010 /* Latch for illegal blocks (pass 1) */ -#define PR_LATCH_BBLOCK 0x0020 /* Latch for bad block inode blocks (pass 1) */ -#define PR_LATCH_IBITMAP 0x0030 /* Latch for pass 5 inode bitmap proc. */ -#define PR_LATCH_BBITMAP 0x0040 /* Latch for pass 5 inode bitmap proc. */ -#define PR_LATCH_RELOC 0x0050 /* Latch for superblock relocate hint */ -#define PR_LATCH_DBLOCK 0x0060 /* Latch for pass 1b dup block headers */ -#define PR_LATCH_LOW_DTIME 0x0070 /* Latch for pass1 orphaned list refugees */ -#define PR_LATCH_TOOBIG 0x0080 /* Latch for file to big errors */ -#define PR_LATCH_OPTIMIZE_DIR 0x0090 /* Latch for optimize directories */ - -#define PR_LATCH(x) ((((x) & PR_LATCH_MASK) >> 4) - 1) - -/* - * Latch group descriptor flags - */ -#define PRL_YES 0x0001 /* Answer yes */ -#define PRL_NO 0x0002 /* Answer no */ -#define PRL_LATCHED 0x0004 /* The latch group is latched */ -#define PRL_SUPPRESS 0x0008 /* Suppress all latch group questions */ - -#define PRL_VARIABLE 0x000f /* All the flags that need to be reset */ - -/* - * Pre-Pass 1 errors - */ - -#define PR_0_BB_NOT_GROUP 0x000001 /* Block bitmap not in group */ -#define PR_0_IB_NOT_GROUP 0x000002 /* Inode bitmap not in group */ -#define PR_0_ITABLE_NOT_GROUP 0x000003 /* Inode table not in group */ -#define PR_0_SB_CORRUPT 0x000004 /* Superblock corrupt */ -#define PR_0_FS_SIZE_WRONG 0x000005 /* Filesystem size is wrong */ -#define PR_0_NO_FRAGMENTS 0x000006 /* Fragments not supported */ -#define PR_0_BLOCKS_PER_GROUP 0x000007 /* Bad blocks_per_group */ -#define PR_0_FIRST_DATA_BLOCK 0x000008 /* Bad first_data_block */ -#define PR_0_ADD_UUID 0x000009 /* Adding UUID to filesystem */ -#define PR_0_RELOCATE_HINT 0x00000A /* Relocate hint */ -#define PR_0_MISC_CORRUPT_SUPER 0x00000B /* Miscellaneous superblock corruption */ -#define PR_0_GETSIZE_ERROR 0x00000C /* Error determing physical device size of filesystem */ -#define PR_0_INODE_COUNT_WRONG 0x00000D /* Inode count in the superblock incorrect */ -#define PR_0_HURD_CLEAR_FILETYPE 0x00000E /* The Hurd does not support the filetype feature */ -#define PR_0_JOURNAL_BAD_INODE 0x00000F /* The Hurd does not support the filetype feature */ -#define PR_0_JOURNAL_UNSUPP_MULTIFS 0x000010 /* The external journal has multiple filesystems (which we can't handle yet) */ -#define PR_0_CANT_FIND_JOURNAL 0x000011 /* Can't find external journal */ -#define PR_0_EXT_JOURNAL_BAD_SUPER 0x000012/* External journal has bad superblock */ -#define PR_0_JOURNAL_BAD_UUID 0x000013 /* Superblock has a bad journal UUID */ -#define PR_0_JOURNAL_UNSUPP_SUPER 0x000014 /* Journal has an unknown superblock type */ -#define PR_0_JOURNAL_BAD_SUPER 0x000015 /* Journal superblock is corrupt */ -#define PR_0_JOURNAL_HAS_JOURNAL 0x000016 /* Journal superblock is corrupt */ -#define PR_0_JOURNAL_RECOVER_SET 0x000017 /* Superblock has recovery flag set but no journal */ -#define PR_0_JOURNAL_RECOVERY_CLEAR 0x000018 /* Journal has data, but recovery flag is clear */ -#define PR_0_JOURNAL_RESET_JOURNAL 0x000019 /* Ask if we should clear the journal */ -#define PR_0_FS_REV_LEVEL 0x00001A /* Filesystem revision is 0, but feature flags are set */ -#define PR_0_ORPHAN_CLEAR_INODE 0x000020 /* Clearing orphan inode */ -#define PR_0_ORPHAN_ILLEGAL_BLOCK_NUM 0x000021 /* Illegal block found in orphaned inode */ -#define PR_0_ORPHAN_ALREADY_CLEARED_BLOCK 0x000022 /* Already cleared block found in orphaned inode */ -#define PR_0_ORPHAN_ILLEGAL_HEAD_INODE 0x000023 /* Illegal orphan inode in superblock */ -#define PR_0_ORPHAN_ILLEGAL_INODE 0x000024 /* Illegal inode in orphaned inode list */ -#define PR_0_JOURNAL_UNSUPP_ROCOMPAT 0x000025 /* Journal has unsupported read-only feature - abort */ -#define PR_0_JOURNAL_UNSUPP_INCOMPAT 0x000026 /* Journal has unsupported incompatible feature - abort */ -#define PR_0_JOURNAL_UNSUPP_VERSION 0x000027 /* Journal has unsupported version number */ -#define PR_0_MOVE_JOURNAL 0x000028 /* Moving journal to hidden file */ -#define PR_0_ERR_MOVE_JOURNAL 0x000029 /* Error moving journal */ -#define PR_0_CLEAR_V2_JOURNAL 0x00002A /* Clearing V2 journal superblock */ -#define PR_0_JOURNAL_RUN 0x00002B /* Run journal anyway */ -#define PR_0_JOURNAL_RUN_DEFAULT 0x00002C /* Run journal anyway by default */ -#define PR_0_BACKUP_JNL 0x00002D /* Backup journal inode blocks */ -#define PR_0_NONZERO_RESERVED_GDT_BLOCKS 0x00002E /* Reserved blocks w/o resize_inode */ -#define PR_0_CLEAR_RESIZE_INODE 0x00002F /* Resize_inode not enabled, but resize inode is non-zero */ -#define PR_0_RESIZE_INODE_INVALID 0x000030 /* Resize inode invalid */ - -/* - * Pass 1 errors - */ - -#define PR_1_PASS_HEADER 0x010000 /* Pass 1: Checking inodes, blocks, and sizes */ -#define PR_1_ROOT_NO_DIR 0x010001 /* Root directory is not an inode */ -#define PR_1_ROOT_DTIME 0x010002 /* Root directory has dtime set */ -#define PR_1_RESERVED_BAD_MODE 0x010003 /* Reserved inode has bad mode */ -#define PR_1_ZERO_DTIME 0x010004 /* Deleted inode has zero dtime */ -#define PR_1_SET_DTIME 0x010005 /* Inode in use, but dtime set */ -#define PR_1_ZERO_LENGTH_DIR 0x010006 /* Zero-length directory */ -#define PR_1_BB_CONFLICT 0x010007 /* Block bitmap conflicts with some other fs block */ -#define PR_1_IB_CONFLICT 0x010008 /* Inode bitmap conflicts with some other fs block */ -#define PR_1_ITABLE_CONFLICT 0x010009 /* Inode table conflicts with some other fs block */ -#define PR_1_BB_BAD_BLOCK 0x01000A /* Block bitmap is on a bad block */ -#define PR_1_IB_BAD_BLOCK 0x01000B /* Inode bitmap is on a bad block */ -#define PR_1_BAD_I_SIZE 0x01000C /* Inode has incorrect i_size */ -#define PR_1_BAD_I_BLOCKS 0x01000D /* Inode has incorrect i_blocks */ -#define PR_1_ILLEGAL_BLOCK_NUM 0x01000E /* Illegal block number in inode */ -#define PR_1_BLOCK_OVERLAPS_METADATA 0x01000F /* Block number overlaps fs metadata */ -#define PR_1_INODE_BLOCK_LATCH 0x010010 /* Inode has illegal blocks (latch question) */ -#define PR_1_TOO_MANY_BAD_BLOCKS 0x010011 /* Too many bad blocks in inode */ -#define PR_1_BB_ILLEGAL_BLOCK_NUM 0x010012 /* Illegal block number in bad block inode */ -#define PR_1_INODE_BBLOCK_LATCH 0x010013 /* Bad block inode has illegal blocks (latch question) */ -#define PR_1_DUP_BLOCKS_PREENSTOP 0x010014 /* Duplicate or bad blocks in use! */ -#define PR_1_BBINODE_BAD_METABLOCK 0x010015 /* Bad block used as bad block indirect block */ -#define PR_1_BBINODE_BAD_METABLOCK_PROMPT 0x010016 /* Inconsistency can't be fixed prompt */ -#define PR_1_BAD_PRIMARY_BLOCK 0x010017 /* Bad primary block */ -#define PR_1_BAD_PRIMARY_BLOCK_PROMPT 0x010018 /* Bad primary block prompt */ -#define PR_1_BAD_PRIMARY_SUPERBLOCK 0x010019 /* Bad primary superblock */ -#define PR_1_BAD_PRIMARY_GROUP_DESCRIPTOR 0x01001A /* Bad primary block group descriptors */ -#define PR_1_BAD_SUPERBLOCK 0x01001B /* Bad superblock in group */ -#define PR_1_BAD_GROUP_DESCRIPTORS 0x01001C /* Bad block group descriptors in group */ -#define PR_1_PROGERR_CLAIMED_BLOCK 0x01001D /* Block claimed for no reason */ -#define PR_1_RELOC_BLOCK_ALLOCATE 0x01001E /* Error allocating blocks for relocating metadata */ -#define PR_1_RELOC_MEMORY_ALLOCATE 0x01001F /* Error allocating block buffer during relocation process */ -#define PR_1_RELOC_FROM_TO 0x010020 /* Relocating metadata group information from X to Y */ -#define PR_1_RELOC_TO 0x010021 /* Relocating metatdata group information to X */ -#define PR_1_RELOC_READ_ERR 0x010022 /* Block read error during relocation process */ -#define PR_1_RELOC_WRITE_ERR 0x010023 /* Block write error during relocation process */ -#define PR_1_ALLOCATE_IBITMAP_ERROR 0x010024 /* Error allocating inode bitmap */ -#define PR_1_ALLOCATE_BBITMAP_ERROR 0x010025 /* Error allocating block bitmap */ -#define PR_1_ALLOCATE_ICOUNT 0x010026 /* Error allocating icount structure */ -#define PR_1_ALLOCATE_DBCOUNT 0x010027 /* Error allocating dbcount */ -#define PR_1_ISCAN_ERROR 0x010028 /* Error while scanning inodes */ -#define PR_1_BLOCK_ITERATE 0x010029 /* Error while iterating over blocks */ -#define PR_1_ICOUNT_STORE 0x01002A /* Error while storing inode count information */ -#define PR_1_ADD_DBLOCK 0x01002B /* Error while storing directory block information */ -#define PR_1_READ_INODE 0x01002C /* Error while reading inode (for clearing) */ -#define PR_1_SUPPRESS_MESSAGES 0x01002D /* Suppress messages prompt */ -#define PR_1_SET_IMAGIC 0x01002F /* Imagic flag set on an inode when filesystem doesn't support it */ -#define PR_1_SET_IMMUTABLE 0x010030 /* Immutable flag set on a device or socket inode */ -#define PR_1_COMPR_SET 0x010031 /* Compression flag set on a non-compressed filesystem */ -#define PR_1_SET_NONZSIZE 0x010032 /* Non-zero size on on device, fifo or socket inode */ -#define PR_1_FS_REV_LEVEL 0x010033 /* Filesystem revision is 0, but feature flags are set */ -#define PR_1_JOURNAL_INODE_NOT_CLEAR 0x010034 /* Journal inode not in use, needs clearing */ -#define PR_1_JOURNAL_BAD_MODE 0x010035 /* Journal inode has wrong mode */ -#define PR_1_LOW_DTIME 0x010036 /* Inode that was part of orphan linked list */ -#define PR_1_ORPHAN_LIST_REFUGEES 0x010037 /* Latch question which asks how to deal with low dtime inodes */ -#define PR_1_ALLOCATE_REFCOUNT 0x010038 /* Error allocating refcount structure */ -#define PR_1_READ_EA_BLOCK 0x010039 /* Error reading Extended Attribute block */ -#define PR_1_BAD_EA_BLOCK 0x01003A /* Invalid Extended Attribute block */ -#define PR_1_EXTATTR_READ_ABORT 0x01003B /* Error reading Extended Attribute block while fixing refcount -- abort */ -#define PR_1_EXTATTR_REFCOUNT 0x01003C /* Extended attribute reference count incorrect */ -#define PR_1_EXTATTR_WRITE 0x01003D /* Error writing Extended Attribute block while fixing refcount */ -#define PR_1_EA_MULTI_BLOCK 0x01003E /* Multiple EA blocks not supported */ -#define PR_1_EA_ALLOC_REGION 0x01003F /* Error allocating EA region allocation structure */ -#define PR_1_EA_ALLOC_COLLISION 0x010040 /* Error EA allocation collision */ -#define PR_1_EA_BAD_NAME 0x010041 /* Bad extended attribute name */ -#define PR_1_EA_BAD_VALUE 0x010042 /* Bad extended attribute value */ -#define PR_1_INODE_TOOBIG 0x010043 /* Inode too big (latch question) */ -#define PR_1_TOOBIG_DIR 0x010044 /* Directory too big */ -#define PR_1_TOOBIG_REG 0x010045 /* Regular file too big */ -#define PR_1_TOOBIG_SYMLINK 0x010046 /* Symlink too big */ -#define PR_1_HTREE_SET 0x010047 /* INDEX_FL flag set on a non-HTREE filesystem */ -#define PR_1_HTREE_NODIR 0x010048 /* INDEX_FL flag set on a non-directory */ -#define PR_1_HTREE_BADROOT 0x010049 /* Invalid root node in HTREE directory */ -#define PR_1_HTREE_HASHV 0x01004A /* Unsupported hash version in HTREE directory */ -#define PR_1_HTREE_INCOMPAT 0x01004B /* Incompatible flag in HTREE root node */ -#define PR_1_HTREE_DEPTH 0x01004C /* HTREE too deep */ -#define PR_1_BB_FS_BLOCK 0x01004D /* Bad block has indirect block that conflicts with filesystem block */ -#define PR_1_RESIZE_INODE_CREATE 0x01004E /* Resize inode failed */ -#define PR_1_EXTRA_ISIZE 0x01004F /* inode->i_size is too long */ -#define PR_1_ATTR_NAME_LEN 0x010050 /* attribute name is too long */ -#define PR_1_ATTR_VALUE_OFFSET 0x010051 /* wrong EA value offset */ -#define PR_1_ATTR_VALUE_BLOCK 0x010052 /* wrong EA blocknumber */ -#define PR_1_ATTR_VALUE_SIZE 0x010053 /* wrong EA value size */ -#define PR_1_ATTR_HASH 0x010054 /* wrong EA hash value */ - -/* - * Pass 1b errors - */ - -#define PR_1B_PASS_HEADER 0x011000 /* Pass 1B: Rescan for duplicate/bad blocks */ -#define PR_1B_DUP_BLOCK_HEADER 0x011001 /* Duplicate/bad block(s) header */ -#define PR_1B_DUP_BLOCK 0x011002 /* Duplicate/bad block(s) in inode */ -#define PR_1B_DUP_BLOCK_END 0x011003 /* Duplicate/bad block(s) end */ -#define PR_1B_ISCAN_ERROR 0x011004 /* Error while scanning inodes */ -#define PR_1B_ALLOCATE_IBITMAP_ERROR 0x011005 /* Error allocating inode bitmap */ -#define PR_1B_BLOCK_ITERATE 0x0110006 /* Error while iterating over blocks */ -#define PR_1B_ADJ_EA_REFCOUNT 0x0110007 /* Error adjusting EA refcount */ -#define PR_1C_PASS_HEADER 0x012000 /* Pass 1C: Scan directories for inodes with dup blocks. */ -#define PR_1D_PASS_HEADER 0x013000 /* Pass 1D: Reconciling duplicate blocks */ -#define PR_1D_DUP_FILE 0x013001 /* File has duplicate blocks */ -#define PR_1D_DUP_FILE_LIST 0x013002 /* List of files sharing duplicate blocks */ -#define PR_1D_SHARE_METADATA 0x013003 /* File sharing blocks with filesystem metadata */ -#define PR_1D_NUM_DUP_INODES 0x013004 /* Report of how many duplicate/bad inodes */ -#define PR_1D_DUP_BLOCKS_DEALT 0x013005 /* Duplicated blocks already reassigned or cloned. */ -#define PR_1D_CLONE_QUESTION 0x013006 /* Clone duplicate/bad blocks? */ -#define PR_1D_DELETE_QUESTION 0x013007 /* Delete file? */ -#define PR_1D_CLONE_ERROR 0x013008 /* Couldn't clone file (error) */ - -/* - * Pass 2 errors - */ - -#define PR_2_PASS_HEADER 0x020000 /* Pass 2: Checking directory structure */ -#define PR_2_BAD_INODE_DOT 0x020001 /* Bad inode number for '.' */ -#define PR_2_BAD_INO 0x020002 /* Directory entry has bad inode number */ -#define PR_2_UNUSED_INODE 0x020003 /* Directory entry has deleted or unused inode */ -#define PR_2_LINK_DOT 0x020004 /* Directry entry is link to '.' */ -#define PR_2_BB_INODE 0x020005 /* Directory entry points to inode now located in a bad block */ -#define PR_2_LINK_DIR 0x020006 /* Directory entry contains a link to a directory */ -#define PR_2_LINK_ROOT 0x020007 /* Directory entry contains a link to the root directry */ -#define PR_2_BAD_NAME 0x020008 /* Directory entry has illegal characters in its name */ -#define PR_2_MISSING_DOT 0x020009 /* Missing '.' in directory inode */ -#define PR_2_MISSING_DOT_DOT 0x02000A /* Missing '..' in directory inode */ -#define PR_2_1ST_NOT_DOT 0x02000B /* First entry in directory inode doesn't contain '.' */ -#define PR_2_2ND_NOT_DOT_DOT 0x02000C /* Second entry in directory inode doesn't contain '..' */ -#define PR_2_FADDR_ZERO 0x02000D /* i_faddr should be zero */ -#define PR_2_FILE_ACL_ZERO 0x02000E /* i_file_acl should be zero */ -#define PR_2_DIR_ACL_ZERO 0x02000F /* i_dir_acl should be zero */ -#define PR_2_FRAG_ZERO 0x020010 /* i_frag should be zero */ -#define PR_2_FSIZE_ZERO 0x020011 /* i_fsize should be zero */ -#define PR_2_BAD_MODE 0x020012 /* inode has bad mode */ -#define PR_2_DIR_CORRUPTED 0x020013 /* directory corrupted */ -#define PR_2_FILENAME_LONG 0x020014 /* filename too long */ -#define PR_2_DIRECTORY_HOLE 0x020015 /* Directory inode has a missing block (hole) */ -#define PR_2_DOT_NULL_TERM 0x020016 /* '.' is not NULL terminated */ -#define PR_2_DOT_DOT_NULL_TERM 0x020017 /* '..' is not NULL terminated */ -#define PR_2_BAD_CHAR_DEV 0x020018 /* Illegal character device in inode */ -#define PR_2_BAD_BLOCK_DEV 0x020019 /* Illegal block device in inode */ -#define PR_2_DUP_DOT 0x02001A /* Duplicate '.' entry */ -#define PR_2_DUP_DOT_DOT 0x02001B /* Duplicate '..' entry */ -#define PR_2_NO_DIRINFO 0x02001C /* Internal error: couldn't find dir_info */ -#define PR_2_FINAL_RECLEN 0x02001D /* Final rec_len is wrong */ -#define PR_2_ALLOCATE_ICOUNT 0x02001E /* Error allocating icount structure */ -#define PR_2_DBLIST_ITERATE 0x02001F /* Error iterating over directory blocks */ -#define PR_2_READ_DIRBLOCK 0x020020 /* Error reading directory block */ -#define PR_2_WRITE_DIRBLOCK 0x020021 /* Error writing directory block */ -#define PR_2_ALLOC_DIRBOCK 0x020022 /* Error allocating new directory block */ -#define PR_2_DEALLOC_INODE 0x020023 /* Error deallocating inode */ -#define PR_2_SPLIT_DOT 0x020024 /* Directory entry for '.' is big. Split? */ -#define PR_2_BAD_FIFO 0x020025 /* Illegal FIFO */ -#define PR_2_BAD_SOCKET 0x020026 /* Illegal socket */ -#define PR_2_SET_FILETYPE 0x020027 /* Directory filetype not set */ -#define PR_2_BAD_FILETYPE 0x020028 /* Directory filetype incorrect */ -#define PR_2_CLEAR_FILETYPE 0x020029 /* Directory filetype set when it shouldn't be */ -#define PR_2_NULL_NAME 0x020030 /* Directory filename can't be zero-length */ -#define PR_2_INVALID_SYMLINK 0x020031 /* Invalid symlink */ -#define PR_2_FILE_ACL_BAD 0x020032 /* i_file_acl (extended attribute) is bad */ -#define PR_2_FEATURE_LARGE_FILES 0x020033 /* Filesystem contains large files, but has no such flag in sb */ -#define PR_2_HTREE_NOTREF 0x020034 /* Node in HTREE directory not referenced */ -#define PR_2_HTREE_DUPREF 0x020035 /* Node in HTREE directory referenced twice */ -#define PR_2_HTREE_MIN_HASH 0x020036 /* Node in HTREE directory has bad min hash */ -#define PR_2_HTREE_MAX_HASH 0x020037 /* Node in HTREE directory has bad max hash */ -#define PR_2_HTREE_CLEAR 0x020038 /* Clear invalid HTREE directory */ -#define PR_2_HTREE_BADBLK 0x02003A /* Bad block in htree interior node */ -#define PR_2_ADJ_EA_REFCOUNT 0x02003B /* Error adjusting EA refcount */ -#define PR_2_HTREE_BAD_ROOT 0x02003C /* Invalid HTREE root node */ -#define PR_2_HTREE_BAD_LIMIT 0x02003D /* Invalid HTREE limit */ -#define PR_2_HTREE_BAD_COUNT 0x02003E /* Invalid HTREE count */ -#define PR_2_HTREE_HASH_ORDER 0x02003F /* HTREE interior node has out-of-order hashes in table */ -#define PR_2_HTREE_BAD_DEPTH 0x020040 /* Node in HTREE directory has bad depth */ -#define PR_2_DUPLICATE_DIRENT 0x020041 /* Duplicate directory entry found */ -#define PR_2_NON_UNIQUE_FILE 0x020042 /* Non-unique filename found */ -#define PR_2_REPORT_DUP_DIRENT 0x020043 /* Duplicate directory entry found */ - -/* - * Pass 3 errors - */ - -#define PR_3_PASS_HEADER 0x030000 /* Pass 3: Checking directory connectivity */ -#define PR_3_NO_ROOT_INODE 0x030001 /* Root inode not allocated */ -#define PR_3_EXPAND_LF_DIR 0x030002 /* No room in lost+found */ -#define PR_3_UNCONNECTED_DIR 0x030003 /* Unconnected directory inode */ -#define PR_3_NO_LF_DIR 0x030004 /* /lost+found not found */ -#define PR_3_BAD_DOT_DOT 0x030005 /* .. entry is incorrect */ -#define PR_3_NO_LPF 0x030006 /* Bad or non-existent /lost+found. Cannot reconnect */ -#define PR_3_CANT_EXPAND_LPF 0x030007 /* Could not expand /lost+found */ -#define PR_3_CANT_RECONNECT 0x030008 /* Could not reconnect inode */ -#define PR_3_ERR_FIND_LPF 0x030009 /* Error while trying to find /lost+found */ -#define PR_3_ERR_LPF_NEW_BLOCK 0x03000A /* Error in ext2fs_new_block while creating /lost+found */ -#define PR_3_ERR_LPF_NEW_INODE 0x03000B /* Error in ext2fs_new_inode while creating /lost+found */ -#define PR_3_ERR_LPF_NEW_DIR_BLOCK 0x03000C /* Error in ext2fs_new_dir_block while creating /lost+found */ -#define PR_3_ERR_LPF_WRITE_BLOCK 0x03000D /* Error while writing directory block for /lost+found */ -#define PR_3_ADJUST_INODE 0x03000E /* Error while adjusting inode count */ -#define PR_3_FIX_PARENT_ERR 0x03000F /* Couldn't fix parent directory -- error */ -#define PR_3_FIX_PARENT_NOFIND 0x030010 /* Couldn't fix parent directory -- couldn't find it */ -#define PR_3_ALLOCATE_IBITMAP_ERROR 0x030011 /* Error allocating inode bitmap */ -#define PR_3_CREATE_ROOT_ERROR 0x030012 /* Error creating root directory */ -#define PR_3_CREATE_LPF_ERROR 0x030013 /* Error creating lost and found directory */ -#define PR_3_ROOT_NOT_DIR_ABORT 0x030014 /* Root inode is not directory; aborting */ -#define PR_3_NO_ROOT_INODE_ABORT 0x030015 /* Cannot proceed without a root inode. */ -#define PR_3_NO_DIRINFO 0x030016 /* Internal error: couldn't find dir_info */ -#define PR_3_LPF_NOTDIR 0x030017 /* Lost+found is not a directory */ - -/* - * Pass 3a --- rehashing diretories - */ -#define PR_3A_PASS_HEADER 0x031000 /* Pass 3a: Reindexing directories */ -#define PR_3A_OPTIMIZE_ITER 0x031001 /* Error iterating over directories */ -#define PR_3A_OPTIMIZE_DIR_ERR 0x031002 /* Error rehash directory */ -#define PR_3A_OPTIMIZE_DIR_HEADER 0x031003 /* Rehashing dir header */ -#define PR_3A_OPTIMIZE_DIR 0x031004 /* Rehashing directory %d */ -#define PR_3A_OPTIMIZE_DIR_END 0x031005 /* Rehashing dir end */ - -/* - * Pass 4 errors - */ - -#define PR_4_PASS_HEADER 0x040000 /* Pass 4: Checking reference counts */ -#define PR_4_ZERO_LEN_INODE 0x040001 /* Unattached zero-length inode */ -#define PR_4_UNATTACHED_INODE 0x040002 /* Unattached inode */ -#define PR_4_BAD_REF_COUNT 0x040003 /* Inode ref count wrong */ -#define PR_4_INCONSISTENT_COUNT 0x040004 /* Inconsistent inode count information cached */ - -/* - * Pass 5 errors - */ - -#define PR_5_PASS_HEADER 0x050000 /* Pass 5: Checking group summary information */ -#define PR_5_INODE_BMAP_PADDING 0x050001 /* Padding at end of inode bitmap is not set. */ -#define PR_5_BLOCK_BMAP_PADDING 0x050002 /* Padding at end of block bitmap is not set. */ -#define PR_5_BLOCK_BITMAP_HEADER 0x050003 /* Block bitmap differences header */ -#define PR_5_BLOCK_UNUSED 0x050004 /* Block not used, but marked in bitmap */ -#define PR_5_BLOCK_USED 0x050005 /* Block used, but not marked used in bitmap */ -#define PR_5_BLOCK_BITMAP_END 0x050006 /* Block bitmap differences end */ -#define PR_5_INODE_BITMAP_HEADER 0x050007 /* Inode bitmap differences header */ -#define PR_5_INODE_UNUSED 0x050008 /* Inode not used, but marked in bitmap */ -#define PR_5_INODE_USED 0x050009 /* Inode used, but not marked used in bitmap */ -#define PR_5_INODE_BITMAP_END 0x05000A /* Inode bitmap differences end */ -#define PR_5_FREE_INODE_COUNT_GROUP 0x05000B /* Free inodes count for group wrong */ -#define PR_5_FREE_DIR_COUNT_GROUP 0x05000C /* Directories count for group wrong */ -#define PR_5_FREE_INODE_COUNT 0x05000D /* Free inodes count wrong */ -#define PR_5_FREE_BLOCK_COUNT_GROUP 0x05000E /* Free blocks count for group wrong */ -#define PR_5_FREE_BLOCK_COUNT 0x05000F /* Free blocks count wrong */ -#define PR_5_BMAP_ENDPOINTS 0x050010 /* Programming error: bitmap endpoints don't match */ -#define PR_5_FUDGE_BITMAP_ERROR 0x050011 /* Internal error: fudging end of bitmap */ -#define PR_5_COPY_IBITMAP_ERROR 0x050012 /* Error copying in replacement inode bitmap */ -#define PR_5_COPY_BBITMAP_ERROR 0x050013 /* Error copying in replacement block bitmap */ -#define PR_5_BLOCK_RANGE_UNUSED 0x050014 /* Block range not used, but marked in bitmap */ -#define PR_5_BLOCK_RANGE_USED 0x050015 /* Block range used, but not marked used in bitmap */ -#define PR_5_INODE_RANGE_UNUSED 0x050016 /* Inode range not used, but marked in bitmap */ -#define PR_5_INODE_RANGE_USED 0x050017 /* Inode rangeused, but not marked used in bitmap */ - - -/* - * The directory information structure; stores directory information - * collected in earlier passes, to avoid disk i/o in fetching the - * directory information. - */ -struct dir_info { - ext2_ino_t ino; /* Inode number */ - ext2_ino_t dotdot; /* Parent according to '..' */ - ext2_ino_t parent; /* Parent according to treewalk */ -}; - - - -/* - * The indexed directory information structure; stores information for - * directories which contain a hash tree index. - */ -struct dx_dir_info { - ext2_ino_t ino; /* Inode number */ - int numblocks; /* number of blocks */ - int hashversion; - short depth; /* depth of tree */ - struct dx_dirblock_info *dx_block; /* Array of size numblocks */ -}; - -/* - * Define the extended attribute refcount structure - */ -typedef struct ea_refcount *ext2_refcount_t; - -struct e2fsck_struct { - ext2_filsys fs; - const char *program_name; - char *filesystem_name; - char *device_name; - char *io_options; - int flags; /* E2fsck internal flags */ - int options; - blk_t use_superblock; /* sb requested by user */ - blk_t superblock; /* sb used to open fs */ - int blocksize; /* blocksize */ - blk_t num_blocks; /* Total number of blocks */ - int mount_flags; - blkid_cache blkid; /* blkid cache */ - - jmp_buf abort_loc; - - unsigned long abort_code; - - int (*progress)(e2fsck_t ctx, int pass, unsigned long cur, - unsigned long max); - - ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */ - ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */ - ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */ - ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */ - ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/ - - ext2fs_block_bitmap block_found_map; /* Blocks which are in use */ - ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */ - ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */ - - /* - * Inode count arrays - */ - ext2_icount_t inode_count; - ext2_icount_t inode_link_info; - - ext2_refcount_t refcount; - ext2_refcount_t refcount_extra; - - /* - * Array of flags indicating whether an inode bitmap, block - * bitmap, or inode table is invalid - */ - int *invalid_inode_bitmap_flag; - int *invalid_block_bitmap_flag; - int *invalid_inode_table_flag; - int invalid_bitmaps; /* There are invalid bitmaps/itable */ - - /* - * Block buffer - */ - char *block_buf; - - /* - * For pass1_check_directory and pass1_get_blocks - */ - ext2_ino_t stashed_ino; - struct ext2_inode *stashed_inode; - - /* - * Location of the lost and found directory - */ - ext2_ino_t lost_and_found; - int bad_lost_and_found; - - /* - * Directory information - */ - int dir_info_count; - int dir_info_size; - struct dir_info *dir_info; - - /* - * Indexed directory information - */ - int dx_dir_info_count; - int dx_dir_info_size; - struct dx_dir_info *dx_dir_info; - - /* - * Directories to hash - */ - ext2_u32_list dirs_to_hash; - - /* - * Tuning parameters - */ - int process_inode_size; - int inode_buffer_blocks; - - /* - * ext3 journal support - */ - io_channel journal_io; - char *journal_name; - - /* - * How we display the progress update (for unix) - */ - int progress_fd; - int progress_pos; - int progress_last_percent; - unsigned int progress_last_time; - int interactive; /* Are we connected directly to a tty? */ - char start_meta[2], stop_meta[2]; - - /* File counts */ - int fs_directory_count; - int fs_regular_count; - int fs_blockdev_count; - int fs_chardev_count; - int fs_links_count; - int fs_symlinks_count; - int fs_fast_symlinks_count; - int fs_fifo_count; - int fs_total_count; - int fs_sockets_count; - int fs_ind_count; - int fs_dind_count; - int fs_tind_count; - int fs_fragmented; - int large_files; - int fs_ext_attr_inodes; - int fs_ext_attr_blocks; - - int ext_attr_ver; - - /* - * For the use of callers of the e2fsck functions; not used by - * e2fsck functions themselves. - */ - void *priv_data; -}; - - -#define tid_gt(x, y) ((x - y) > 0) - -static inline int tid_geq(tid_t x, tid_t y) -{ - int difference = (x - y); - return (difference >= 0); -} - - diff --git a/e2fsprogs/e2p/Kbuild b/e2fsprogs/e2p/Kbuild deleted file mode 100644 index c0ff824e3..000000000 --- a/e2fsprogs/e2p/Kbuild +++ /dev/null @@ -1,15 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> -# -# Licensed under the GPL v2, see the file LICENSE in this tarball. - -NEEDED-$(CONFIG_CHATTR) = y -NEEDED-$(CONFIG_LSATTR) = y -NEEDED-$(CONFIG_MKE2FS) = y -NEEDED-$(CONFIG_TUNE2FS) = y - -lib-y:= -lib-$(NEEDED-y) += fgetsetflags.o fgetsetversion.o pf.o iod.o mntopts.o \ - feature.o ls.o uuid.o pe.o ostype.o ps.o hashstr.o \ - parse_num.o diff --git a/e2fsprogs/e2p/e2p.h b/e2fsprogs/e2p/e2p.h deleted file mode 100644 index 2a2367b9f..000000000 --- a/e2fsprogs/e2p/e2p.h +++ /dev/null @@ -1,64 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#include "busybox.h" -#include <sys/types.h> /* Needed by dirent.h on netbsd */ -#include <stdio.h> -#include <dirent.h> - -#include "../ext2fs/ext2_fs.h" - -#define E2P_FEATURE_COMPAT 0 -#define E2P_FEATURE_INCOMPAT 1 -#define E2P_FEATURE_RO_INCOMPAT 2 -#ifndef EXT3_FEATURE_INCOMPAT_EXTENTS -#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 -#endif - -/* `options' for print_flags() */ - -#define PFOPT_LONG 1 /* Must be 1 for compatibility with `int long_format'. */ - -/*int fgetversion (const char * name, unsigned long * version);*/ -/*int fsetversion (const char * name, unsigned long version);*/ -int fgetsetversion(const char * name, unsigned long * get_version, unsigned long set_version); -#define fgetversion(name, version) fgetsetversion(name, version, 0) -#define fsetversion(name, version) fgetsetversion(name, NULL, version) - -/*int fgetflags (const char * name, unsigned long * flags);*/ -/*int fsetflags (const char * name, unsigned long flags);*/ -int fgetsetflags(const char * name, unsigned long * get_flags, unsigned long set_flags); -#define fgetflags(name, flags) fgetsetflags(name, flags, 0) -#define fsetflags(name, flags) fgetsetflags(name, NULL, flags) - -int getflags (int fd, unsigned long * flags); -int getversion (int fd, unsigned long * version); -int iterate_on_dir (const char * dir_name, - int (*func) (const char *, struct dirent *, void *), - void * private); -/*void list_super(struct ext2_super_block * s);*/ -void list_super2(struct ext2_super_block * s, FILE *f); -#define list_super(s) list_super2(s, stdout) -void print_fs_errors (FILE * f, unsigned short errors); -void print_flags (FILE * f, unsigned long flags, unsigned options); -void print_fs_state (FILE * f, unsigned short state); -int setflags (int fd, unsigned long flags); -int setversion (int fd, unsigned long version); - -const char *e2p_feature2string(int compat, unsigned int mask); -int e2p_string2feature(char *string, int *compat, unsigned int *mask); -int e2p_edit_feature(const char *str, __u32 *compat_array, __u32 *ok_array); - -int e2p_is_null_uuid(void *uu); -void e2p_uuid_to_str(void *uu, char *out); -const char *e2p_uuid2str(void *uu); - -const char *e2p_hash2string(int num); -int e2p_string2hash(char *string); - -const char *e2p_mntopt2string(unsigned int mask); -int e2p_string2mntopt(char *string, unsigned int *mask); -int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok); - -unsigned long parse_num_blocks(const char *arg, int log_block_size); - -char *e2p_os2string(int os_type); -int e2p_string2os(char *str); diff --git a/e2fsprogs/e2p/feature.c b/e2fsprogs/e2p/feature.c deleted file mode 100644 index b45754f97..000000000 --- a/e2fsprogs/e2p/feature.c +++ /dev/null @@ -1,187 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * feature.c --- convert between features and strings - * - * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu> - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> - -#include "e2p.h" - -struct feature { - int compat; - unsigned int mask; - const char *string; -}; - -static const struct feature feature_list[] = { - { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_PREALLOC, - "dir_prealloc" }, - { E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL, - "has_journal" }, - { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_IMAGIC_INODES, - "imagic_inodes" }, - { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_EXT_ATTR, - "ext_attr" }, - { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX, - "dir_index" }, - { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_RESIZE_INODE, - "resize_inode" }, - { E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER, - "sparse_super" }, - { E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_LARGE_FILE, - "large_file" }, - { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_COMPRESSION, - "compression" }, - { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_FILETYPE, - "filetype" }, - { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_RECOVER, - "needs_recovery" }, - { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_JOURNAL_DEV, - "journal_dev" }, - { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_EXTENTS, - "extents" }, - { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_META_BG, - "meta_bg" }, - { 0, 0, 0 }, -}; - -const char *e2p_feature2string(int compat, unsigned int mask) -{ - const struct feature *f; - static char buf[20]; - char fchar; - int fnum; - - for (f = feature_list; f->string; f++) { - if ((compat == f->compat) && - (mask == f->mask)) - return f->string; - } - switch (compat) { - case E2P_FEATURE_COMPAT: - fchar = 'C'; - break; - case E2P_FEATURE_INCOMPAT: - fchar = 'I'; - break; - case E2P_FEATURE_RO_INCOMPAT: - fchar = 'R'; - break; - default: - fchar = '?'; - break; - } - for (fnum = 0; mask >>= 1; fnum++); - sprintf(buf, "FEATURE_%c%d", fchar, fnum); - return buf; -} - -int e2p_string2feature(char *string, int *compat_type, unsigned int *mask) -{ - const struct feature *f; - char *eptr; - int num; - - for (f = feature_list; f->string; f++) { - if (!strcasecmp(string, f->string)) { - *compat_type = f->compat; - *mask = f->mask; - return 0; - } - } - if (strncasecmp(string, "FEATURE_", 8)) - return 1; - - switch (string[8]) { - case 'c': - case 'C': - *compat_type = E2P_FEATURE_COMPAT; - break; - case 'i': - case 'I': - *compat_type = E2P_FEATURE_INCOMPAT; - break; - case 'r': - case 'R': - *compat_type = E2P_FEATURE_RO_INCOMPAT; - break; - default: - return 1; - } - if (string[9] == 0) - return 1; - num = strtol(string+9, &eptr, 10); - if (num > 32 || num < 0) - return 1; - if (*eptr) - return 1; - *mask = 1 << num; - return 0; -} - -static inline char *skip_over_blanks(char *cp) -{ - while (*cp && isspace(*cp)) - cp++; - return cp; -} - -static inline char *skip_over_word(char *cp) -{ - while (*cp && !isspace(*cp) && *cp != ',') - cp++; - return cp; -} - -/* - * Edit a feature set array as requested by the user. The ok_array, - * if set, allows the application to limit what features the user is - * allowed to set or clear using this function. - */ -int e2p_edit_feature(const char *str, __u32 *compat_array, __u32 *ok_array) -{ - char *cp, *buf, *next; - int neg; - unsigned int mask; - int compat_type; - - buf = xstrdup(str); - cp = buf; - while (cp && *cp) { - neg = 0; - cp = skip_over_blanks(cp); - next = skip_over_word(cp); - if (*next == 0) - next = 0; - else - *next = 0; - switch (*cp) { - case '-': - case '^': - neg++; - case '+': - cp++; - break; - } - if (e2p_string2feature(cp, &compat_type, &mask)) - return 1; - if (ok_array && !(ok_array[compat_type] & mask)) - return 1; - if (neg) - compat_array[compat_type] &= ~mask; - else - compat_array[compat_type] |= mask; - cp = next ? next+1 : 0; - } - return 0; -} diff --git a/e2fsprogs/e2p/fgetsetflags.c b/e2fsprogs/e2p/fgetsetflags.c deleted file mode 100644 index 008b79850..000000000 --- a/e2fsprogs/e2p/fgetsetflags.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * fgetflags.c - Get a file flags on an ext2 file system - * fsetflags.c - Set a file flags on an ext2 file system - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - */ - -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <sys/types.h> -#include <sys/stat.h> -#ifdef HAVE_EXT2_IOCTLS -#include <fcntl.h> -#include <sys/ioctl.h> -#endif - -#include "e2p.h" - -#ifdef O_LARGEFILE -#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE) -#else -#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK) -#endif - -int fgetsetflags (const char * name, unsigned long * get_flags, unsigned long set_flags) -{ -#ifdef HAVE_EXT2_IOCTLS - struct stat buf; - int fd, r, f, save_errno = 0; - - if (!stat(name, &buf) && - !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) { - goto notsupp; - } - fd = open (name, OPEN_FLAGS); - if (fd == -1) - return -1; - if (!get_flags) { - f = (int) set_flags; - r = ioctl (fd, EXT2_IOC_SETFLAGS, &f); - } else { - r = ioctl (fd, EXT2_IOC_GETFLAGS, &f); - *get_flags = f; - } - if (r == -1) - save_errno = errno; - close (fd); - if (save_errno) - errno = save_errno; - return r; -notsupp: -#endif /* HAVE_EXT2_IOCTLS */ - errno = EOPNOTSUPP; - return -1; -} diff --git a/e2fsprogs/e2p/fgetsetversion.c b/e2fsprogs/e2p/fgetsetversion.c deleted file mode 100644 index 8d79054d6..000000000 --- a/e2fsprogs/e2p/fgetsetversion.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * fgetversion.c - Get a file version on an ext2 file system - * fsetversion.c - Set a file version on an ext2 file system - * - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - */ - -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <sys/ioctl.h> - -#include "e2p.h" - -#ifdef O_LARGEFILE -#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE) -#else -#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK) -#endif - -/* - To do fsetversion: unsigned long *ptr_version must be set to NULL. - and unsigned long version must be set to a value - To do fgetversion: unsigned long *ptr_version must NOT be set to NULL - and unsigned long version is ignored. - TITO. -*/ - -int fgetsetversion (const char * name, unsigned long * get_version, unsigned long set_version) -{ -#ifdef HAVE_EXT2_IOCTLS - int fd, r, ver, save_errno = 0; - - fd = open (name, OPEN_FLAGS); - if (fd == -1) - return -1; - if (!get_version) { - ver = (int) set_version; - r = ioctl (fd, EXT2_IOC_SETVERSION, &ver); - } else { - r = ioctl (fd, EXT2_IOC_GETVERSION, &ver); - *get_version = ver; - } - if (r == -1) - save_errno = errno; - close (fd); - if (save_errno) - errno = save_errno; - return r; -#else /* ! HAVE_EXT2_IOCTLS */ - errno = EOPNOTSUPP; - return -1; -#endif /* ! HAVE_EXT2_IOCTLS */ -} diff --git a/e2fsprogs/e2p/hashstr.c b/e2fsprogs/e2p/hashstr.c deleted file mode 100644 index 697ffadc3..000000000 --- a/e2fsprogs/e2p/hashstr.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * feature.c --- convert between features and strings - * - * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu> - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> - -#include "e2p.h" - -struct hash { - int num; - const char *string; -}; - -static const struct hash hash_list[] = { - { EXT2_HASH_LEGACY, "legacy" }, - { EXT2_HASH_HALF_MD4, "half_md4" }, - { EXT2_HASH_TEA, "tea" }, - { 0, 0 }, -}; - -const char *e2p_hash2string(int num) -{ - const struct hash *p; - static char buf[20]; - - for (p = hash_list; p->string; p++) { - if (num == p->num) - return p->string; - } - sprintf(buf, "HASHALG_%d", num); - return buf; -} - -/* - * Returns the hash algorithm, or -1 on error - */ -int e2p_string2hash(char *string) -{ - const struct hash *p; - char *eptr; - int num; - - for (p = hash_list; p->string; p++) { - if (!strcasecmp(string, p->string)) { - return p->num; - } - } - if (strncasecmp(string, "HASHALG_", 8)) - return -1; - - if (string[8] == 0) - return -1; - num = strtol(string+8, &eptr, 10); - if (num > 255 || num < 0) - return -1; - if (*eptr) - return -1; - return num; -} diff --git a/e2fsprogs/e2p/iod.c b/e2fsprogs/e2p/iod.c deleted file mode 100644 index 23ab8d5b5..000000000 --- a/e2fsprogs/e2p/iod.c +++ /dev/null @@ -1,52 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * iod.c - Iterate a function on each entry of a directory - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - */ - -#include "e2p.h" -#include <unistd.h> -#include <stdlib.h> -#include <string.h> - -int iterate_on_dir (const char * dir_name, - int (*func) (const char *, struct dirent *, void *), - void * private) -{ - DIR * dir; - struct dirent *de, *dep; - int max_len, len; - - max_len = PATH_MAX + sizeof(struct dirent); - de = xmalloc(max_len+1); - memset(de, 0, max_len+1); - - dir = opendir (dir_name); - if (dir == NULL) { - free(de); - return -1; - } - while ((dep = readdir (dir))) { - len = sizeof(struct dirent); - if (len < dep->d_reclen) - len = dep->d_reclen; - if (len > max_len) - len = max_len; - memcpy(de, dep, len); - (*func) (dir_name, de, private); - } - free(de); - closedir(dir); - return 0; -} diff --git a/e2fsprogs/e2p/ls.c b/e2fsprogs/e2p/ls.c deleted file mode 100644 index 9d29db6af..000000000 --- a/e2fsprogs/e2p/ls.c +++ /dev/null @@ -1,273 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ls.c - List the contents of an ext2fs superblock - * - * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu> - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <string.h> -#include <grp.h> -#include <pwd.h> -#include <time.h> - -#include "e2p.h" - -static void print_user(unsigned short uid, FILE *f) -{ - struct passwd *pw = getpwuid(uid); - fprintf(f, "%u (user %s)\n", uid, - (pw == NULL ? "unknown" : pw->pw_name)); -} - -static void print_group(unsigned short gid, FILE *f) -{ - struct group *gr = getgrgid(gid); - fprintf(f, "%u (group %s)\n", gid, - (gr == NULL ? "unknown" : gr->gr_name)); -} - -#define MONTH_INT (86400 * 30) -#define WEEK_INT (86400 * 7) -#define DAY_INT (86400) -#define HOUR_INT (60 * 60) -#define MINUTE_INT (60) - -static const char *interval_string(unsigned int secs) -{ - static char buf[256], tmp[80]; - int hr, min, num; - - buf[0] = 0; - - if (secs == 0) - return "<none>"; - - if (secs >= MONTH_INT) { - num = secs / MONTH_INT; - secs -= num*MONTH_INT; - sprintf(buf, "%d month%s", num, (num>1) ? "s" : ""); - } - if (secs >= WEEK_INT) { - num = secs / WEEK_INT; - secs -= num*WEEK_INT; - sprintf(tmp, "%s%d week%s", buf[0] ? ", " : "", - num, (num>1) ? "s" : ""); - strcat(buf, tmp); - } - if (secs >= DAY_INT) { - num = secs / DAY_INT; - secs -= num*DAY_INT; - sprintf(tmp, "%s%d day%s", buf[0] ? ", " : "", - num, (num>1) ? "s" : ""); - strcat(buf, tmp); - } - if (secs > 0) { - hr = secs / HOUR_INT; - secs -= hr*HOUR_INT; - min = secs / MINUTE_INT; - secs -= min*MINUTE_INT; - sprintf(tmp, "%s%d:%02d:%02d", buf[0] ? ", " : "", - hr, min, secs); - strcat(buf, tmp); - } - return buf; -} - -static void print_features(struct ext2_super_block * s, FILE *f) -{ -#ifdef EXT2_DYNAMIC_REV - int i, j, printed=0; - __u32 *mask = &s->s_feature_compat, m; - - fprintf(f, "Filesystem features: "); - for (i=0; i <3; i++,mask++) { - for (j=0,m=1; j < 32; j++, m<<=1) { - if (*mask & m) { - fprintf(f, " %s", e2p_feature2string(i, m)); - printed++; - } - } - } - if (printed == 0) - fprintf(f, " (none)"); - fprintf(f, "\n"); -#endif -} - -static void print_mntopts(struct ext2_super_block * s, FILE *f) -{ -#ifdef EXT2_DYNAMIC_REV - int i, printed=0; - __u32 mask = s->s_default_mount_opts, m; - - fprintf(f, "Default mount options: "); - if (mask & EXT3_DEFM_JMODE) { - fprintf(f, " %s", e2p_mntopt2string(mask & EXT3_DEFM_JMODE)); - printed++; - } - for (i=0,m=1; i < 32; i++, m<<=1) { - if (m & EXT3_DEFM_JMODE) - continue; - if (mask & m) { - fprintf(f, " %s", e2p_mntopt2string(m)); - printed++; - } - } - if (printed == 0) - fprintf(f, " (none)"); - fprintf(f, "\n"); -#endif -} - - -#ifndef EXT2_INODE_SIZE -#define EXT2_INODE_SIZE(s) sizeof(struct ext2_inode) -#endif - -#ifndef EXT2_GOOD_OLD_REV -#define EXT2_GOOD_OLD_REV 0 -#endif - -void list_super2(struct ext2_super_block * sb, FILE *f) -{ - int inode_blocks_per_group; - char buf[80], *str; - time_t tm; - - inode_blocks_per_group = (((sb->s_inodes_per_group * - EXT2_INODE_SIZE(sb)) + - EXT2_BLOCK_SIZE(sb) - 1) / - EXT2_BLOCK_SIZE(sb)); - if (sb->s_volume_name[0]) { - memset(buf, 0, sizeof(buf)); - strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name)); - } else - strcpy(buf, "<none>"); - fprintf(f, "Filesystem volume name: %s\n", buf); - if (sb->s_last_mounted[0]) { - memset(buf, 0, sizeof(buf)); - strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted)); - } else - strcpy(buf, "<not available>"); - fprintf(f, - "Last mounted on: %s\n" - "Filesystem UUID: %s\n" - "Filesystem magic number: 0x%04X\n" - "Filesystem revision #: %d", - buf, e2p_uuid2str(sb->s_uuid), sb->s_magic, sb->s_rev_level); - if (sb->s_rev_level == EXT2_GOOD_OLD_REV) { - fprintf(f, " (original)\n"); -#ifdef EXT2_DYNAMIC_REV - } else if (sb->s_rev_level == EXT2_DYNAMIC_REV) { - fprintf(f, " (dynamic)\n"); -#endif - } else - fprintf(f, " (unknown)\n"); - print_features(sb, f); - print_mntopts(sb, f); - fprintf(f, "Filesystem state: "); - print_fs_state (f, sb->s_state); - fprintf(f, "\nErrors behavior: "); - print_fs_errors(f, sb->s_errors); - str = e2p_os2string(sb->s_creator_os); - fprintf(f, - "\n" - "Filesystem OS type: %s\n" - "Inode count: %u\n" - "Block count: %u\n" - "Reserved block count: %u\n" - "Free blocks: %u\n" - "Free inodes: %u\n" - "First block: %u\n" - "Block size: %u\n" - "Fragment size: %u\n", - str, sb->s_inodes_count, sb->s_blocks_count, sb->s_r_blocks_count, - sb->s_free_blocks_count, sb->s_free_inodes_count, - sb->s_first_data_block, EXT2_BLOCK_SIZE(sb), EXT2_FRAG_SIZE(sb)); - free(str); - if (sb->s_reserved_gdt_blocks) - fprintf(f, "Reserved GDT blocks: %u\n", - sb->s_reserved_gdt_blocks); - fprintf(f, - "Blocks per group: %u\n" - "Fragments per group: %u\n" - "Inodes per group: %u\n" - "Inode blocks per group: %u\n", - sb->s_blocks_per_group, sb->s_frags_per_group, - sb->s_inodes_per_group, inode_blocks_per_group); - if (sb->s_first_meta_bg) - fprintf(f, "First meta block group: %u\n", - sb->s_first_meta_bg); - if (sb->s_mkfs_time) { - tm = sb->s_mkfs_time; - fprintf(f, "Filesystem created: %s", ctime(&tm)); - } - tm = sb->s_mtime; - fprintf(f, "Last mount time: %s", - sb->s_mtime ? ctime(&tm) : "n/a\n"); - tm = sb->s_wtime; - fprintf(f, - "Last write time: %s" - "Mount count: %u\n" - "Maximum mount count: %d\n", - ctime(&tm), sb->s_mnt_count, sb->s_max_mnt_count); - tm = sb->s_lastcheck; - fprintf(f, - "Last checked: %s" - "Check interval: %u (%s)\n", - ctime(&tm), - sb->s_checkinterval, interval_string(sb->s_checkinterval)); - if (sb->s_checkinterval) - { - time_t next; - - next = sb->s_lastcheck + sb->s_checkinterval; - fprintf(f, "Next check after: %s", ctime(&next)); - } - fprintf(f, "Reserved blocks uid: "); - print_user(sb->s_def_resuid, f); - fprintf(f, "Reserved blocks gid: "); - print_group(sb->s_def_resgid, f); - if (sb->s_rev_level >= EXT2_DYNAMIC_REV) { - fprintf(f, - "First inode: %d\n" - "Inode size: %d\n", - sb->s_first_ino, sb->s_inode_size); - } - if (!e2p_is_null_uuid(sb->s_journal_uuid)) - fprintf(f, "Journal UUID: %s\n", - e2p_uuid2str(sb->s_journal_uuid)); - if (sb->s_journal_inum) - fprintf(f, "Journal inode: %u\n", - sb->s_journal_inum); - if (sb->s_journal_dev) - fprintf(f, "Journal device: 0x%04x\n", - sb->s_journal_dev); - if (sb->s_last_orphan) - fprintf(f, "First orphan inode: %u\n", - sb->s_last_orphan); - if ((sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) || - sb->s_def_hash_version) - fprintf(f, "Default directory hash: %s\n", - e2p_hash2string(sb->s_def_hash_version)); - if (!e2p_is_null_uuid(sb->s_hash_seed)) - fprintf(f, "Directory Hash Seed: %s\n", - e2p_uuid2str(sb->s_hash_seed)); - if (sb->s_jnl_backup_type) { - fprintf(f, "Journal backup: "); - if (sb->s_jnl_backup_type == 1) - fprintf(f, "inode blocks\n"); - else - fprintf(f, "type %u\n", sb->s_jnl_backup_type); - } -} diff --git a/e2fsprogs/e2p/mntopts.c b/e2fsprogs/e2p/mntopts.c deleted file mode 100644 index 17c26c480..000000000 --- a/e2fsprogs/e2p/mntopts.c +++ /dev/null @@ -1,134 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mountopts.c --- convert between default mount options and strings - * - * Copyright (C) 2002 Theodore Ts'o <tytso@mit.edu> - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> - -#include "e2p.h" - -struct mntopt { - unsigned int mask; - const char *string; -}; - -static const struct mntopt mntopt_list[] = { - { EXT2_DEFM_DEBUG, "debug" }, - { EXT2_DEFM_BSDGROUPS, "bsdgroups" }, - { EXT2_DEFM_XATTR_USER, "user_xattr" }, - { EXT2_DEFM_ACL, "acl" }, - { EXT2_DEFM_UID16, "uid16" }, - { EXT3_DEFM_JMODE_DATA, "journal_data" }, - { EXT3_DEFM_JMODE_ORDERED, "journal_data_ordered" }, - { EXT3_DEFM_JMODE_WBACK, "journal_data_writeback" }, - { 0, 0 }, -}; - -const char *e2p_mntopt2string(unsigned int mask) -{ - const struct mntopt *f; - static char buf[20]; - int fnum; - - for (f = mntopt_list; f->string; f++) { - if (mask == f->mask) - return f->string; - } - for (fnum = 0; mask >>= 1; fnum++); - sprintf(buf, "MNTOPT_%d", fnum); - return buf; -} - -int e2p_string2mntopt(char *string, unsigned int *mask) -{ - const struct mntopt *f; - char *eptr; - int num; - - for (f = mntopt_list; f->string; f++) { - if (!strcasecmp(string, f->string)) { - *mask = f->mask; - return 0; - } - } - if (strncasecmp(string, "MNTOPT_", 8)) - return 1; - - if (string[8] == 0) - return 1; - num = strtol(string+8, &eptr, 10); - if (num > 32 || num < 0) - return 1; - if (*eptr) - return 1; - *mask = 1 << num; - return 0; -} - -static char *skip_over_blanks(char *cp) -{ - while (*cp && isspace(*cp)) - cp++; - return cp; -} - -static char *skip_over_word(char *cp) -{ - while (*cp && !isspace(*cp) && *cp != ',') - cp++; - return cp; -} - -/* - * Edit a mntopt set array as requested by the user. The ok - * parameter, if non-zero, allows the application to limit what - * mntopts the user is allowed to set or clear using this function. - */ -int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok) -{ - char *cp, *buf, *next; - int neg; - unsigned int mask; - - buf = xstrdup(str); - cp = buf; - while (cp && *cp) { - neg = 0; - cp = skip_over_blanks(cp); - next = skip_over_word(cp); - if (*next == 0) - next = 0; - else - *next = 0; - switch (*cp) { - case '-': - case '^': - neg++; - case '+': - cp++; - break; - } - if (e2p_string2mntopt(cp, &mask)) - return 1; - if (ok && !(ok & mask)) - return 1; - if (mask & EXT3_DEFM_JMODE) - *mntopts &= ~EXT3_DEFM_JMODE; - if (neg) - *mntopts &= ~mask; - else - *mntopts |= mask; - cp = next ? next+1 : 0; - } - return 0; -} diff --git a/e2fsprogs/e2p/ostype.c b/e2fsprogs/e2p/ostype.c deleted file mode 100644 index 0e111d408..000000000 --- a/e2fsprogs/e2p/ostype.c +++ /dev/null @@ -1,74 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * getostype.c - Get the Filesystem OS type - * - * Copyright (C) 2004,2005 Theodore Ts'o <tytso@mit.edu> - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -#include "e2p.h" -#include <string.h> -#include <stdlib.h> - -static const char * const os_tab[] = - { "Linux", - "Hurd", - "Masix", - "FreeBSD", - "Lites", - 0 }; - -/* - * Convert an os_type to a string - */ -char *e2p_os2string(int os_type) -{ - const char *os; - char *ret; - - if (os_type <= EXT2_OS_LITES) - os = os_tab[os_type]; - else - os = "(unknown os)"; - - ret = xstrdup(os); - return ret; -} - -/* - * Convert an os_type to a string - */ -int e2p_string2os(char *str) -{ - const char * const *cpp; - int i = 0; - - for (cpp = os_tab; *cpp; cpp++, i++) { - if (!strcasecmp(str, *cpp)) - return i; - } - return -1; -} - -#ifdef TEST_PROGRAM -int main(int argc, char **argv) -{ - char *s; - int i, os; - - for (i=0; i <= EXT2_OS_LITES; i++) { - s = e2p_os2string(i); - os = e2p_string2os(s); - printf("%d: %s (%d)\n", i, s, os); - if (i != os) { - fprintf(stderr, "Failure!\n"); - exit(1); - } - } - exit(0); -} -#endif - - diff --git a/e2fsprogs/e2p/parse_num.c b/e2fsprogs/e2p/parse_num.c deleted file mode 100644 index 6db076f9c..000000000 --- a/e2fsprogs/e2p/parse_num.c +++ /dev/null @@ -1,65 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * parse_num.c - Parse the number of blocks - * - * Copyright (C) 2004,2005 Theodore Ts'o <tytso@mit.edu> - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -#include "e2p.h" - -#include <stdlib.h> - -unsigned long parse_num_blocks(const char *arg, int log_block_size) -{ - char *p; - unsigned long long num; - - num = strtoull(arg, &p, 0); - - if (p[0] && p[1]) - return 0; - - switch (*p) { /* Using fall-through logic */ - case 'T': case 't': - num <<= 10; - case 'G': case 'g': - num <<= 10; - case 'M': case 'm': - num <<= 10; - case 'K': case 'k': - num >>= log_block_size; - break; - case 's': - num >>= 1; - break; - case '\0': - break; - default: - return 0; - } - return num; -} - -#ifdef DEBUG -#include <unistd.h> -#include <stdio.h> - -main(int argc, char **argv) -{ - unsigned long num; - int log_block_size = 0; - - if (argc != 2) { - fprintf(stderr, "Usage: %s arg\n", argv[0]); - exit(1); - } - - num = parse_num_blocks(argv[1], log_block_size); - - printf("Parsed number: %lu\n", num); - exit(0); -} -#endif diff --git a/e2fsprogs/e2p/pe.c b/e2fsprogs/e2p/pe.c deleted file mode 100644 index 835274b54..000000000 --- a/e2fsprogs/e2p/pe.c +++ /dev/null @@ -1,32 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * pe.c - Print a second extended filesystem errors behavior - * - * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -/* - * History: - * 94/01/09 - Creation - */ - -#include <stdio.h> - -#include "e2p.h" - -void print_fs_errors(FILE *f, unsigned short errors) -{ - char *disp = NULL; - switch (errors) { - case EXT2_ERRORS_CONTINUE: disp = "Continue"; break; - case EXT2_ERRORS_RO: disp = "Remount read-only"; break; - case EXT2_ERRORS_PANIC: disp = "Panic"; break; - default: disp = "Unknown (continue)"; - } - fprintf(f, disp); -} diff --git a/e2fsprogs/e2p/pf.c b/e2fsprogs/e2p/pf.c deleted file mode 100644 index 55d4bc487..000000000 --- a/e2fsprogs/e2p/pf.c +++ /dev/null @@ -1,74 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * pf.c - Print file attributes on an ext2 file system - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - */ - -#include <stdio.h> - -#include "e2p.h" - -struct flags_name { - unsigned long flag; - const char *short_name; - const char *long_name; -}; - -static const struct flags_name flags_array[] = { - { EXT2_SECRM_FL, "s", "Secure_Deletion" }, - { EXT2_UNRM_FL, "u" , "Undelete" }, - { EXT2_SYNC_FL, "S", "Synchronous_Updates" }, - { EXT2_DIRSYNC_FL, "D", "Synchronous_Directory_Updates" }, - { EXT2_IMMUTABLE_FL, "i", "Immutable" }, - { EXT2_APPEND_FL, "a", "Append_Only" }, - { EXT2_NODUMP_FL, "d", "No_Dump" }, - { EXT2_NOATIME_FL, "A", "No_Atime" }, - { EXT2_COMPR_FL, "c", "Compression_Requested" }, -#ifdef ENABLE_COMPRESSION - { EXT2_COMPRBLK_FL, "B", "Compressed_File" }, - { EXT2_DIRTY_FL, "Z", "Compressed_Dirty_File" }, - { EXT2_NOCOMPR_FL, "X", "Compression_Raw_Access" }, - { EXT2_ECOMPR_FL, "E", "Compression_Error" }, -#endif - { EXT3_JOURNAL_DATA_FL, "j", "Journaled_Data" }, - { EXT2_INDEX_FL, "I", "Indexed_direcctory" }, - { EXT2_NOTAIL_FL, "t", "No_Tailmerging" }, - { EXT2_TOPDIR_FL, "T", "Top_of_Directory_Hierarchies" }, - { 0, NULL, NULL } -}; - -void print_flags (FILE * f, unsigned long flags, unsigned options) -{ - int long_opt = (options & PFOPT_LONG); - const struct flags_name *fp; - int first = 1; - - for (fp = flags_array; fp->flag != 0; fp++) { - if (flags & fp->flag) { - if (long_opt) { - if (first) - first = 0; - else - fputs(", ", f); - fputs(fp->long_name, f); - } else - fputs(fp->short_name, f); - } else { - if (!long_opt) - fputs("-", f); - } - } - if (long_opt && first) - fputs("---", f); -} diff --git a/e2fsprogs/e2p/ps.c b/e2fsprogs/e2p/ps.c deleted file mode 100644 index a6b4099db..000000000 --- a/e2fsprogs/e2p/ps.c +++ /dev/null @@ -1,27 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ps.c - Print filesystem state - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU Library General - * Public License - */ - -/* - * History: - * 93/12/22 - Creation - */ - -#include <stdio.h> - -#include "e2p.h" - -void print_fs_state(FILE *f, unsigned short state) -{ - fprintf(f, (state & EXT2_VALID_FS ? " clean" : " not clean")); - if (state & EXT2_ERROR_FS) - fprintf(f, " with errors"); -} diff --git a/e2fsprogs/e2p/uuid.c b/e2fsprogs/e2p/uuid.c deleted file mode 100644 index 474d64a5a..000000000 --- a/e2fsprogs/e2p/uuid.c +++ /dev/null @@ -1,78 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * uuid.c -- utility routines for manipulating UUID's. - */ - -#include <stdio.h> -#include <string.h> -#include "../ext2fs/ext2_types.h" - -#include "e2p.h" - -struct uuid { - __u32 time_low; - __u16 time_mid; - __u16 time_hi_and_version; - __u16 clock_seq; - __u8 node[6]; -}; - -/* Returns 1 if the uuid is the NULL uuid */ -int e2p_is_null_uuid(void *uu) -{ - __u8 *cp; - int i; - - for (i=0, cp = uu; i < 16; i++) - if (*cp) - return 0; - return 1; -} - -static void e2p_unpack_uuid(void *in, struct uuid *uu) -{ - __u8 *ptr = in; - __u32 tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - tmp = (tmp << 8) | *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->time_low = tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->time_mid = tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->time_hi_and_version = tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->clock_seq = tmp; - - memcpy(uu->node, ptr, 6); -} - -void e2p_uuid_to_str(void *uu, char *out) -{ - struct uuid uuid; - - e2p_unpack_uuid(uu, &uuid); - sprintf(out, - "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", - uuid.time_low, uuid.time_mid, uuid.time_hi_and_version, - uuid.clock_seq >> 8, uuid.clock_seq & 0xFF, - uuid.node[0], uuid.node[1], uuid.node[2], - uuid.node[3], uuid.node[4], uuid.node[5]); -} - -const char *e2p_uuid2str(void *uu) -{ - static char buf[80]; - if (e2p_is_null_uuid(uu)) - return "<none>"; - e2p_uuid_to_str(uu, buf); - return buf; -} diff --git a/e2fsprogs/ext2fs/Kbuild b/e2fsprogs/ext2fs/Kbuild deleted file mode 100644 index 185887a44..000000000 --- a/e2fsprogs/ext2fs/Kbuild +++ /dev/null @@ -1,23 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> -# -# Licensed under the GPL v2, see the file LICENSE in this tarball. - -NEEDED-$(CONFIG_E2FSCK) = y -NEEDED-$(CONFIG_FSCK) = y -NEEDED-$(CONFIG_MKE2FS) = y -NEEDED-$(CONFIG_TUNE2FS) = y - -lib-y:= -lib-$(NEEDED-y) += gen_bitmap.o bitops.o ismounted.o mkjournal.o unix_io.o \ - rw_bitmaps.o initialize.o bitmaps.o block.o \ - ind_block.o inode.o freefs.o alloc_stats.o closefs.o \ - openfs.o io_manager.o finddev.o read_bb.o alloc.o badblocks.o \ - getsize.o getsectsize.o alloc_tables.o read_bb_file.o mkdir.o \ - bb_inode.o newdir.o alloc_sb.o lookup.o dirblock.o expanddir.o \ - dir_iterate.o link.o res_gdt.o icount.o get_pathname.o dblist.o \ - dirhash.o version.o flushb.o unlink.o check_desc.o valid_blk.o \ - ext_attr.o bmap.o dblist_dir.o ext2fs_inline.o swapfs.o - -CFLAGS += -include $(srctree)/e2fsprogs/e2fsbb.h diff --git a/e2fsprogs/ext2fs/alloc.c b/e2fsprogs/ext2fs/alloc.c deleted file mode 100644 index 590f23a7e..000000000 --- a/e2fsprogs/ext2fs/alloc.c +++ /dev/null @@ -1,174 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc.c --- allocate new inodes, blocks for ext2fs - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <time.h> -#include <string.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Right now, just search forward from the parent directory's block - * group to find the next free inode. - * - * Should have a special policy for directories. - */ -errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, - int mode EXT2FS_ATTR((unused)), - ext2fs_inode_bitmap map, ext2_ino_t *ret) -{ - ext2_ino_t dir_group = 0; - ext2_ino_t i; - ext2_ino_t start_inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) - map = fs->inode_map; - if (!map) - return EXT2_ET_NO_INODE_BITMAP; - - if (dir > 0) - dir_group = (dir - 1) / EXT2_INODES_PER_GROUP(fs->super); - - start_inode = (dir_group * EXT2_INODES_PER_GROUP(fs->super)) + 1; - if (start_inode < EXT2_FIRST_INODE(fs->super)) - start_inode = EXT2_FIRST_INODE(fs->super); - i = start_inode; - - do { - if (!ext2fs_fast_test_inode_bitmap(map, i)) - break; - i++; - if (i > fs->super->s_inodes_count) - i = EXT2_FIRST_INODE(fs->super); - } while (i != start_inode); - - if (ext2fs_test_inode_bitmap(map, i)) - return EXT2_ET_INODE_ALLOC_FAIL; - *ret = i; - return 0; -} - -/* - * Stupid algorithm --- we now just search forward starting from the - * goal. Should put in a smarter one someday.... - */ -errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, - ext2fs_block_bitmap map, blk_t *ret) -{ - blk_t i; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) - map = fs->block_map; - if (!map) - return EXT2_ET_NO_BLOCK_BITMAP; - if (!goal || (goal >= fs->super->s_blocks_count)) - goal = fs->super->s_first_data_block; - i = goal; - do { - if (!ext2fs_fast_test_block_bitmap(map, i)) { - *ret = i; - return 0; - } - i++; - if (i >= fs->super->s_blocks_count) - i = fs->super->s_first_data_block; - } while (i != goal); - return EXT2_ET_BLOCK_ALLOC_FAIL; -} - -/* - * This function zeros out the allocated block, and updates all of the - * appropriate filesystem records. - */ -errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, - char *block_buf, blk_t *ret) -{ - errcode_t retval; - blk_t block; - char *buf = 0; - - if (!block_buf) { - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - block_buf = buf; - } - memset(block_buf, 0, fs->blocksize); - - if (!fs->block_map) { - retval = ext2fs_read_block_bitmap(fs); - if (retval) - goto fail; - } - - retval = ext2fs_new_block(fs, goal, 0, &block); - if (retval) - goto fail; - - retval = io_channel_write_blk(fs->io, block, 1, block_buf); - if (retval) - goto fail; - - ext2fs_block_alloc_stats(fs, block, +1); - *ret = block; - return 0; - -fail: - if (buf) - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, blk_t finish, - int num, ext2fs_block_bitmap map, blk_t *ret) -{ - blk_t b = start; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) - map = fs->block_map; - if (!map) - return EXT2_ET_NO_BLOCK_BITMAP; - if (!b) - b = fs->super->s_first_data_block; - if (!finish) - finish = start; - if (!num) - num = 1; - do { - if (b+num-1 > fs->super->s_blocks_count) - b = fs->super->s_first_data_block; - if (ext2fs_fast_test_block_bitmap_range(map, b, num)) { - *ret = b; - return 0; - } - b++; - } while (b != finish); - return EXT2_ET_BLOCK_ALLOC_FAIL; -} - diff --git a/e2fsprogs/ext2fs/alloc_sb.c b/e2fsprogs/ext2fs/alloc_sb.c deleted file mode 100644 index a7437c96f..000000000 --- a/e2fsprogs/ext2fs/alloc_sb.c +++ /dev/null @@ -1,58 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc_sb.c --- Allocate the superblock and block group descriptors for a - * newly initialized filesystem. Used by mke2fs when initializing a filesystem - * - * Copyright (C) 1994, 1995, 1996, 2003 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -int ext2fs_reserve_super_and_bgd(ext2_filsys fs, - dgrp_t group, - ext2fs_block_bitmap bmap) -{ - blk_t super_blk, old_desc_blk, new_desc_blk; - int j, old_desc_blocks, num_blocks; - - num_blocks = ext2fs_super_and_bgd_loc(fs, group, &super_blk, - &old_desc_blk, &new_desc_blk, 0); - - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) - old_desc_blocks = fs->super->s_first_meta_bg; - else - old_desc_blocks = - fs->desc_blocks + fs->super->s_reserved_gdt_blocks; - - if (super_blk || (group == 0)) - ext2fs_mark_block_bitmap(bmap, super_blk); - - if (old_desc_blk) { - for (j=0; j < old_desc_blocks; j++) - ext2fs_mark_block_bitmap(bmap, old_desc_blk + j); - } - if (new_desc_blk) - ext2fs_mark_block_bitmap(bmap, new_desc_blk); - - return num_blocks; -} diff --git a/e2fsprogs/ext2fs/alloc_stats.c b/e2fsprogs/ext2fs/alloc_stats.c deleted file mode 100644 index f3ab06a23..000000000 --- a/e2fsprogs/ext2fs/alloc_stats.c +++ /dev/null @@ -1,53 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc_stats.c --- Update allocation statistics for ext2fs - * - * Copyright (C) 2001 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, - int inuse, int isdir) -{ - int group = ext2fs_group_of_ino(fs, ino); - - if (inuse > 0) - ext2fs_mark_inode_bitmap(fs->inode_map, ino); - else - ext2fs_unmark_inode_bitmap(fs->inode_map, ino); - fs->group_desc[group].bg_free_inodes_count -= inuse; - if (isdir) - fs->group_desc[group].bg_used_dirs_count += inuse; - fs->super->s_free_inodes_count -= inuse; - ext2fs_mark_super_dirty(fs); - ext2fs_mark_ib_dirty(fs); -} - -void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse) -{ - ext2fs_inode_alloc_stats2(fs, ino, inuse, 0); -} - -void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse) -{ - int group = ext2fs_group_of_blk(fs, blk); - - if (inuse > 0) - ext2fs_mark_block_bitmap(fs->block_map, blk); - else - ext2fs_unmark_block_bitmap(fs->block_map, blk); - fs->group_desc[group].bg_free_blocks_count -= inuse; - fs->super->s_free_blocks_count -= inuse; - ext2fs_mark_super_dirty(fs); - ext2fs_mark_bb_dirty(fs); -} diff --git a/e2fsprogs/ext2fs/alloc_tables.c b/e2fsprogs/ext2fs/alloc_tables.c deleted file mode 100644 index b2d786ed8..000000000 --- a/e2fsprogs/ext2fs/alloc_tables.c +++ /dev/null @@ -1,118 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * alloc_tables.c --- Allocate tables for a newly initialized - * filesystem. Used by mke2fs when initializing a filesystem - * - * Copyright (C) 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, - ext2fs_block_bitmap bmap) -{ - errcode_t retval; - blk_t group_blk, start_blk, last_blk, new_blk, blk; - int j; - - group_blk = fs->super->s_first_data_block + - (group * fs->super->s_blocks_per_group); - - last_blk = group_blk + fs->super->s_blocks_per_group; - if (last_blk >= fs->super->s_blocks_count) - last_blk = fs->super->s_blocks_count - 1; - - if (!bmap) - bmap = fs->block_map; - - /* - * Allocate the block and inode bitmaps, if necessary - */ - if (fs->stride) { - start_blk = group_blk + fs->inode_blocks_per_group; - start_blk += ((fs->stride * group) % - (last_blk - start_blk)); - if (start_blk > last_blk) - start_blk = group_blk; - } else - start_blk = group_blk; - - if (!fs->group_desc[group].bg_block_bitmap) { - retval = ext2fs_get_free_blocks(fs, start_blk, last_blk, - 1, bmap, &new_blk); - if (retval == EXT2_ET_BLOCK_ALLOC_FAIL) - retval = ext2fs_get_free_blocks(fs, group_blk, - last_blk, 1, bmap, &new_blk); - if (retval) - return retval; - ext2fs_mark_block_bitmap(bmap, new_blk); - fs->group_desc[group].bg_block_bitmap = new_blk; - } - - if (!fs->group_desc[group].bg_inode_bitmap) { - retval = ext2fs_get_free_blocks(fs, start_blk, last_blk, - 1, bmap, &new_blk); - if (retval == EXT2_ET_BLOCK_ALLOC_FAIL) - retval = ext2fs_get_free_blocks(fs, group_blk, - last_blk, 1, bmap, &new_blk); - if (retval) - return retval; - ext2fs_mark_block_bitmap(bmap, new_blk); - fs->group_desc[group].bg_inode_bitmap = new_blk; - } - - /* - * Allocate the inode table - */ - if (!fs->group_desc[group].bg_inode_table) { - retval = ext2fs_get_free_blocks(fs, group_blk, last_blk, - fs->inode_blocks_per_group, - bmap, &new_blk); - if (retval) - return retval; - for (j=0, blk = new_blk; - j < fs->inode_blocks_per_group; - j++, blk++) - ext2fs_mark_block_bitmap(bmap, blk); - fs->group_desc[group].bg_inode_table = new_blk; - } - - - return 0; -} - - - -errcode_t ext2fs_allocate_tables(ext2_filsys fs) -{ - errcode_t retval; - dgrp_t i; - - for (i = 0; i < fs->group_desc_count; i++) { - retval = ext2fs_allocate_group_table(fs, i, fs->block_map); - if (retval) - return retval; - } - return 0; -} - diff --git a/e2fsprogs/ext2fs/badblocks.c b/e2fsprogs/ext2fs/badblocks.c deleted file mode 100644 index 7804396d7..000000000 --- a/e2fsprogs/ext2fs/badblocks.c +++ /dev/null @@ -1,328 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * badblocks.c --- routines to manipulate the bad block structure - * - * Copyright (C) 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -/* - * Helper function for making a badblocks list - */ -static errcode_t make_u32_list(int size, int num, __u32 *list, - ext2_u32_list *ret) -{ - ext2_u32_list bb; - errcode_t retval; - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_list), &bb); - if (retval) - return retval; - memset(bb, 0, sizeof(struct ext2_struct_u32_list)); - bb->magic = EXT2_ET_MAGIC_BADBLOCKS_LIST; - bb->size = size ? size : 10; - bb->num = num; - retval = ext2fs_get_mem(bb->size * sizeof(blk_t), &bb->list); - if (!bb->list) { - ext2fs_free_mem(&bb); - return retval; - } - if (list) - memcpy(bb->list, list, bb->size * sizeof(blk_t)); - else - memset(bb->list, 0, bb->size * sizeof(blk_t)); - *ret = bb; - return 0; -} - - -/* - * This procedure creates an empty u32 list. - */ -errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size) -{ - return make_u32_list(size, 0, 0, ret); -} - -/* - * This procedure creates an empty badblocks list. - */ -errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, int size) -{ - return make_u32_list(size, 0, 0, (ext2_badblocks_list *) ret); -} - - -/* - * This procedure copies a badblocks list - */ -errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest) -{ - errcode_t retval; - - retval = make_u32_list(src->size, src->num, src->list, dest); - if (retval) - return retval; - (*dest)->badblocks_flags = src->badblocks_flags; - return 0; -} - -errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, - ext2_badblocks_list *dest) -{ - return ext2fs_u32_copy((ext2_u32_list) src, - (ext2_u32_list *) dest); -} - -/* - * This procedure frees a badblocks list. - * - * (note: moved to closefs.c) - */ - - -/* - * This procedure adds a block to a badblocks list. - */ -errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk) -{ - errcode_t retval; - int i, j; - unsigned long old_size; - - EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - if (bb->num >= bb->size) { - old_size = bb->size * sizeof(__u32); - bb->size += 100; - retval = ext2fs_resize_mem(old_size, bb->size * sizeof(__u32), - &bb->list); - if (retval) { - bb->size -= 100; - return retval; - } - } - - /* - * Add special case code for appending to the end of the list - */ - i = bb->num-1; - if ((bb->num != 0) && (bb->list[i] == blk)) - return 0; - if ((bb->num == 0) || (bb->list[i] < blk)) { - bb->list[bb->num++] = blk; - return 0; - } - - j = bb->num; - for (i=0; i < bb->num; i++) { - if (bb->list[i] == blk) - return 0; - if (bb->list[i] > blk) { - j = i; - break; - } - } - for (i=bb->num; i > j; i--) - bb->list[i] = bb->list[i-1]; - bb->list[j] = blk; - bb->num++; - return 0; -} - -errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, blk_t blk) -{ - return ext2fs_u32_list_add((ext2_u32_list) bb, (__u32) blk); -} - -/* - * This procedure finds a particular block is on a badblocks - * list. - */ -int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk) -{ - int low, high, mid; - - if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return -1; - - if (bb->num == 0) - return -1; - - low = 0; - high = bb->num-1; - if (blk == bb->list[low]) - return low; - if (blk == bb->list[high]) - return high; - - while (low < high) { - mid = (low+high)/2; - if (mid == low || mid == high) - break; - if (blk == bb->list[mid]) - return mid; - if (blk < bb->list[mid]) - high = mid; - else - low = mid; - } - return -1; -} - -/* - * This procedure tests to see if a particular block is on a badblocks - * list. - */ -int ext2fs_u32_list_test(ext2_u32_list bb, __u32 blk) -{ - if (ext2fs_u32_list_find(bb, blk) < 0) - return 0; - else - return 1; -} - -int ext2fs_badblocks_list_test(ext2_badblocks_list bb, blk_t blk) -{ - return ext2fs_u32_list_test((ext2_u32_list) bb, (__u32) blk); -} - - -/* - * Remove a block from the badblock list - */ -int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk) -{ - int remloc, i; - - if (bb->num == 0) - return -1; - - remloc = ext2fs_u32_list_find(bb, blk); - if (remloc < 0) - return -1; - - for (i = remloc ; i < bb->num-1; i++) - bb->list[i] = bb->list[i+1]; - bb->num--; - return 0; -} - -void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk) -{ - ext2fs_u32_list_del(bb, blk); -} - -errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, - ext2_u32_iterate *ret) -{ - ext2_u32_iterate iter; - errcode_t retval; - - EXT2_CHECK_MAGIC(bb, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_u32_iterate), &iter); - if (retval) - return retval; - - iter->magic = EXT2_ET_MAGIC_BADBLOCKS_ITERATE; - iter->bb = bb; - iter->ptr = 0; - *ret = iter; - return 0; -} - -errcode_t ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, - ext2_badblocks_iterate *ret) -{ - return ext2fs_u32_list_iterate_begin((ext2_u32_list) bb, - (ext2_u32_iterate *) ret); -} - - -int ext2fs_u32_list_iterate(ext2_u32_iterate iter, __u32 *blk) -{ - ext2_u32_list bb; - - if (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE) - return 0; - - bb = iter->bb; - - if (bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return 0; - - if (iter->ptr < bb->num) { - *blk = bb->list[iter->ptr++]; - return 1; - } - *blk = 0; - return 0; -} - -int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, blk_t *blk) -{ - return ext2fs_u32_list_iterate((ext2_u32_iterate) iter, - (__u32 *) blk); -} - - -void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter) -{ - if (!iter || (iter->magic != EXT2_ET_MAGIC_BADBLOCKS_ITERATE)) - return; - - iter->bb = 0; - ext2fs_free_mem(&iter); -} - -void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter) -{ - ext2fs_u32_list_iterate_end((ext2_u32_iterate) iter); -} - - -int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2) -{ - EXT2_CHECK_MAGIC(bb1, EXT2_ET_MAGIC_BADBLOCKS_LIST); - EXT2_CHECK_MAGIC(bb2, EXT2_ET_MAGIC_BADBLOCKS_LIST); - - if (bb1->num != bb2->num) - return 0; - - if (memcmp(bb1->list, bb2->list, bb1->num * sizeof(blk_t)) != 0) - return 0; - return 1; -} - -int ext2fs_badblocks_equal(ext2_badblocks_list bb1, ext2_badblocks_list bb2) -{ - return ext2fs_u32_list_equal((ext2_u32_list) bb1, - (ext2_u32_list) bb2); -} - -int ext2fs_u32_list_count(ext2_u32_list bb) -{ - return bb->num; -} diff --git a/e2fsprogs/ext2fs/bb_compat.c b/e2fsprogs/ext2fs/bb_compat.c deleted file mode 100644 index 419ac7785..000000000 --- a/e2fsprogs/ext2fs/bb_compat.c +++ /dev/null @@ -1,64 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bb_compat.c --- compatibility badblocks routines - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -errcode_t badblocks_list_create(badblocks_list *ret, int size) -{ - return ext2fs_badblocks_list_create(ret, size); -} - -void badblocks_list_free(badblocks_list bb) -{ - ext2fs_badblocks_list_free(bb); -} - -errcode_t badblocks_list_add(badblocks_list bb, blk_t blk) -{ - return ext2fs_badblocks_list_add(bb, blk); -} - -int badblocks_list_test(badblocks_list bb, blk_t blk) -{ - return ext2fs_badblocks_list_test(bb, blk); -} - -errcode_t badblocks_list_iterate_begin(badblocks_list bb, - badblocks_iterate *ret) -{ - return ext2fs_badblocks_list_iterate_begin(bb, ret); -} - -int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk) -{ - return ext2fs_badblocks_list_iterate(iter, blk); -} - -void badblocks_list_iterate_end(badblocks_iterate iter) -{ - ext2fs_badblocks_list_iterate_end(iter); -} diff --git a/e2fsprogs/ext2fs/bb_inode.c b/e2fsprogs/ext2fs/bb_inode.c deleted file mode 100644 index 855f86eac..000000000 --- a/e2fsprogs/ext2fs/bb_inode.c +++ /dev/null @@ -1,268 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bb_inode.c --- routines to update the bad block inode. - * - * WARNING: This routine modifies a lot of state in the filesystem; if - * this routine returns an error, the bad block inode may be in an - * inconsistent state. - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct set_badblock_record { - ext2_badblocks_iterate bb_iter; - int bad_block_count; - blk_t *ind_blocks; - int max_ind_blocks; - int ind_blocks_size; - int ind_blocks_ptr; - char *block_buf; - errcode_t err; -}; - -static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, - void *priv_data); -static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block, int ref_offset, - void *priv_data); - -/* - * Given a bad blocks bitmap, update the bad blocks inode to reflect - * the map. - */ -errcode_t ext2fs_update_bb_inode(ext2_filsys fs, ext2_badblocks_list bb_list) -{ - errcode_t retval; - struct set_badblock_record rec; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!fs->block_map) - return EXT2_ET_NO_BLOCK_BITMAP; - - rec.bad_block_count = 0; - rec.ind_blocks_size = rec.ind_blocks_ptr = 0; - rec.max_ind_blocks = 10; - retval = ext2fs_get_mem(rec.max_ind_blocks * sizeof(blk_t), - &rec.ind_blocks); - if (retval) - return retval; - memset(rec.ind_blocks, 0, rec.max_ind_blocks * sizeof(blk_t)); - retval = ext2fs_get_mem(fs->blocksize, &rec.block_buf); - if (retval) - goto cleanup; - memset(rec.block_buf, 0, fs->blocksize); - rec.err = 0; - - /* - * First clear the old bad blocks (while saving the indirect blocks) - */ - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, - BLOCK_FLAG_DEPTH_TRAVERSE, 0, - clear_bad_block_proc, &rec); - if (retval) - goto cleanup; - if (rec.err) { - retval = rec.err; - goto cleanup; - } - - /* - * Now set the bad blocks! - * - * First, mark the bad blocks as used. This prevents a bad - * block from being used as an indirecto block for the bad - * block inode (!). - */ - if (bb_list) { - retval = ext2fs_badblocks_list_iterate_begin(bb_list, - &rec.bb_iter); - if (retval) - goto cleanup; - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, - BLOCK_FLAG_APPEND, 0, - set_bad_block_proc, &rec); - ext2fs_badblocks_list_iterate_end(rec.bb_iter); - if (retval) - goto cleanup; - if (rec.err) { - retval = rec.err; - goto cleanup; - } - } - - /* - * Update the bad block inode's mod time and block count - * field. - */ - retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - goto cleanup; - - inode.i_atime = inode.i_mtime = time(0); - if (!inode.i_ctime) - inode.i_ctime = time(0); - inode.i_blocks = rec.bad_block_count * (fs->blocksize / 512); - inode.i_size = rec.bad_block_count * fs->blocksize; - - retval = ext2fs_write_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - goto cleanup; - -cleanup: - ext2fs_free_mem(&rec.ind_blocks); - ext2fs_free_mem(&rec.block_buf); - return retval; -} - -/* - * Helper function for update_bb_inode() - * - * Clear the bad blocks in the bad block inode, while saving the - * indirect blocks. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -static int clear_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct set_badblock_record *rec = (struct set_badblock_record *) - priv_data; - errcode_t retval; - unsigned long old_size; - - if (!*block_nr) - return 0; - - /* - * If the block number is outrageous, clear it and ignore it. - */ - if (*block_nr >= fs->super->s_blocks_count || - *block_nr < fs->super->s_first_data_block) { - *block_nr = 0; - return BLOCK_CHANGED; - } - - if (blockcnt < 0) { - if (rec->ind_blocks_size >= rec->max_ind_blocks) { - old_size = rec->max_ind_blocks * sizeof(blk_t); - rec->max_ind_blocks += 10; - retval = ext2fs_resize_mem(old_size, - rec->max_ind_blocks * sizeof(blk_t), - &rec->ind_blocks); - if (retval) { - rec->max_ind_blocks -= 10; - rec->err = retval; - return BLOCK_ABORT; - } - } - rec->ind_blocks[rec->ind_blocks_size++] = *block_nr; - } - - /* - * Mark the block as unused, and update accounting information - */ - ext2fs_block_alloc_stats(fs, *block_nr, -1); - - *block_nr = 0; - return BLOCK_CHANGED; -} - - -/* - * Helper function for update_bb_inode() - * - * Set the block list in the bad block inode, using the supplied bitmap. - */ -#ifdef __TURBOC__ - #pragma argsused -#endif -static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct set_badblock_record *rec = (struct set_badblock_record *) - priv_data; - errcode_t retval; - blk_t blk; - - if (blockcnt >= 0) { - /* - * Get the next bad block. - */ - if (!ext2fs_badblocks_list_iterate(rec->bb_iter, &blk)) - return BLOCK_ABORT; - rec->bad_block_count++; - } else { - /* - * An indirect block; fetch a block from the - * previously used indirect block list. The block - * most be not marked as used; if so, get another one. - * If we run out of reserved indirect blocks, allocate - * a new one. - */ - retry: - if (rec->ind_blocks_ptr < rec->ind_blocks_size) { - blk = rec->ind_blocks[rec->ind_blocks_ptr++]; - if (ext2fs_test_block_bitmap(fs->block_map, blk)) - goto retry; - } else { - retval = ext2fs_new_block(fs, 0, 0, &blk); - if (retval) { - rec->err = retval; - return BLOCK_ABORT; - } - } - retval = io_channel_write_blk(fs->io, blk, 1, rec->block_buf); - if (retval) { - rec->err = retval; - return BLOCK_ABORT; - } - } - - /* - * Update block counts - */ - ext2fs_block_alloc_stats(fs, blk, +1); - - *block_nr = blk; - return BLOCK_CHANGED; -} - - - - - - diff --git a/e2fsprogs/ext2fs/bitmaps.c b/e2fsprogs/ext2fs/bitmaps.c deleted file mode 100644 index 712a4a9b1..000000000 --- a/e2fsprogs/ext2fs/bitmaps.c +++ /dev/null @@ -1,213 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bitmaps.c --- routines to read, write, and manipulate the inode and - * block bitmaps. - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -static errcode_t make_bitmap(__u32 start, __u32 end, __u32 real_end, - const char *descr, char *init_map, - ext2fs_generic_bitmap *ret) -{ - ext2fs_generic_bitmap bitmap; - errcode_t retval; - size_t size; - - retval = ext2fs_get_mem(sizeof(struct ext2fs_struct_generic_bitmap), - &bitmap); - if (retval) - return retval; - - bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - bitmap->fs = NULL; - bitmap->start = start; - bitmap->end = end; - bitmap->real_end = real_end; - bitmap->base_error_code = EXT2_ET_BAD_GENERIC_MARK; - if (descr) { - retval = ext2fs_get_mem(strlen(descr)+1, &bitmap->description); - if (retval) { - ext2fs_free_mem(&bitmap); - return retval; - } - strcpy(bitmap->description, descr); - } else - bitmap->description = 0; - - size = (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1); - retval = ext2fs_get_mem(size, &bitmap->bitmap); - if (retval) { - ext2fs_free_mem(&bitmap->description); - ext2fs_free_mem(&bitmap); - return retval; - } - - if (init_map) - memcpy(bitmap->bitmap, init_map, size); - else - memset(bitmap->bitmap, 0, size); - *ret = bitmap; - return 0; -} - -errcode_t ext2fs_allocate_generic_bitmap(__u32 start, - __u32 end, - __u32 real_end, - const char *descr, - ext2fs_generic_bitmap *ret) -{ - return make_bitmap(start, end, real_end, descr, 0, ret); -} - -errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, - ext2fs_generic_bitmap *dest) -{ - errcode_t retval; - ext2fs_generic_bitmap new_map; - - retval = make_bitmap(src->start, src->end, src->real_end, - src->description, src->bitmap, &new_map); - if (retval) - return retval; - new_map->magic = src->magic; - new_map->fs = src->fs; - new_map->base_error_code = src->base_error_code; - *dest = new_map; - return 0; -} - -void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map) -{ - __u32 i, j; - - for (i=map->end+1, j = i - map->start; i <= map->real_end; i++, j++) - ext2fs_set_bit(j, map->bitmap); - - return; -} - -errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_inode_bitmap *ret) -{ - ext2fs_inode_bitmap bitmap; - errcode_t retval; - __u32 start, end, real_end; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs->write_bitmaps = ext2fs_write_bitmaps; - - start = 1; - end = fs->super->s_inodes_count; - real_end = (EXT2_INODES_PER_GROUP(fs->super) * fs->group_desc_count); - - retval = ext2fs_allocate_generic_bitmap(start, end, real_end, - descr, &bitmap); - if (retval) - return retval; - - bitmap->magic = EXT2_ET_MAGIC_INODE_BITMAP; - bitmap->fs = fs; - bitmap->base_error_code = EXT2_ET_BAD_INODE_MARK; - - *ret = bitmap; - return 0; -} - -errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_block_bitmap *ret) -{ - ext2fs_block_bitmap bitmap; - errcode_t retval; - __u32 start, end, real_end; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs->write_bitmaps = ext2fs_write_bitmaps; - - start = fs->super->s_first_data_block; - end = fs->super->s_blocks_count-1; - real_end = (EXT2_BLOCKS_PER_GROUP(fs->super) - * fs->group_desc_count)-1 + start; - - retval = ext2fs_allocate_generic_bitmap(start, end, real_end, - descr, &bitmap); - if (retval) - return retval; - - bitmap->magic = EXT2_ET_MAGIC_BLOCK_BITMAP; - bitmap->fs = fs; - bitmap->base_error_code = EXT2_ET_BAD_BLOCK_MARK; - - *ret = bitmap; - return 0; -} - -errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, - ext2_ino_t end, ext2_ino_t *oend) -{ - EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_INODE_BITMAP); - - if (end > bitmap->real_end) - return EXT2_ET_FUDGE_INODE_BITMAP_END; - if (oend) - *oend = bitmap->end; - bitmap->end = end; - return 0; -} - -errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, - blk_t end, blk_t *oend) -{ - EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_BLOCK_BITMAP); - - if (end > bitmap->real_end) - return EXT2_ET_FUDGE_BLOCK_BITMAP_END; - if (oend) - *oend = bitmap->end; - bitmap->end = end; - return 0; -} - -void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_INODE_BITMAP)) - return; - - memset(bitmap->bitmap, 0, - (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1)); -} - -void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_BLOCK_BITMAP)) - return; - - memset(bitmap->bitmap, 0, - (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1)); -} diff --git a/e2fsprogs/ext2fs/bitops.c b/e2fsprogs/ext2fs/bitops.c deleted file mode 100644 index 987061130..000000000 --- a/e2fsprogs/ext2fs/bitops.c +++ /dev/null @@ -1,91 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bitops.c --- Bitmap frobbing code. See bitops.h for the inlined - * routines. - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef _EXT2_HAVE_ASM_BITOPS_ - -/* - * For the benefit of those who are trying to port Linux to another - * architecture, here are some C-language equivalents. You should - * recode these in the native assmebly language, if at all possible. - * - * C language equivalents written by Theodore Ts'o, 9/26/92. - * Modified by Pete A. Zaitcev 7/14/95 to be portable to big endian - * systems, as well as non-32 bit systems. - */ - -int ext2fs_set_bit(unsigned int nr,void * addr) -{ - int mask, retval; - unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = mask & *ADDR; - *ADDR |= mask; - return retval; -} - -int ext2fs_clear_bit(unsigned int nr, void * addr) -{ - int mask, retval; - unsigned char *ADDR = (unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - retval = mask & *ADDR; - *ADDR &= ~mask; - return retval; -} - -int ext2fs_test_bit(unsigned int nr, const void * addr) -{ - int mask; - const unsigned char *ADDR = (const unsigned char *) addr; - - ADDR += nr >> 3; - mask = 1 << (nr & 0x07); - return (mask & *ADDR); -} - -#endif /* !_EXT2_HAVE_ASM_BITOPS_ */ - -void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg, - const char *description) -{ -#ifndef OMIT_COM_ERR - if (description) - bb_error_msg("#%lu for %s", arg, description); - else - bb_error_msg("#%lu", arg); -#endif -} - -void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap, - int code, unsigned long arg) -{ -#ifndef OMIT_COM_ERR - if (bitmap->description) - bb_error_msg("#%lu for %s", arg, bitmap->description); - else - bb_error_msg("#%lu", arg); -#endif -} - diff --git a/e2fsprogs/ext2fs/bitops.h b/e2fsprogs/ext2fs/bitops.h deleted file mode 100644 index 6dd30862b..000000000 --- a/e2fsprogs/ext2fs/bitops.h +++ /dev/null @@ -1,107 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bitops.h --- Bitmap frobbing code. The byte swapping routines are - * also included here. - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - * i386 bitops operations taken from <asm/bitops.h>, Copyright 1992, - * Linus Torvalds. - */ - -#include <string.h> -#include <strings.h> - -extern int ext2fs_set_bit(unsigned int nr,void * addr); -extern int ext2fs_clear_bit(unsigned int nr, void * addr); -extern int ext2fs_test_bit(unsigned int nr, const void * addr); -extern __u16 ext2fs_swab16(__u16 val); -extern __u32 ext2fs_swab32(__u32 val); - -#ifdef WORDS_BIGENDIAN -#define ext2fs_cpu_to_le32(x) ext2fs_swab32((x)) -#define ext2fs_le32_to_cpu(x) ext2fs_swab32((x)) -#define ext2fs_cpu_to_le16(x) ext2fs_swab16((x)) -#define ext2fs_le16_to_cpu(x) ext2fs_swab16((x)) -#define ext2fs_cpu_to_be32(x) ((__u32)(x)) -#define ext2fs_be32_to_cpu(x) ((__u32)(x)) -#define ext2fs_cpu_to_be16(x) ((__u16)(x)) -#define ext2fs_be16_to_cpu(x) ((__u16)(x)) -#else -#define ext2fs_cpu_to_le32(x) ((__u32)(x)) -#define ext2fs_le32_to_cpu(x) ((__u32)(x)) -#define ext2fs_cpu_to_le16(x) ((__u16)(x)) -#define ext2fs_le16_to_cpu(x) ((__u16)(x)) -#define ext2fs_cpu_to_be32(x) ext2fs_swab32((x)) -#define ext2fs_be32_to_cpu(x) ext2fs_swab32((x)) -#define ext2fs_cpu_to_be16(x) ext2fs_swab16((x)) -#define ext2fs_be16_to_cpu(x) ext2fs_swab16((x)) -#endif - -/* - * EXT2FS bitmap manipulation routines. - */ - -/* Support for sending warning messages from the inline subroutines */ -extern const char *ext2fs_block_string; -extern const char *ext2fs_inode_string; -extern const char *ext2fs_mark_string; -extern const char *ext2fs_unmark_string; -extern const char *ext2fs_test_string; -extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg, - const char *description); -extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap, - int code, unsigned long arg); - -extern int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block); -extern int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); -extern int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block); - -extern int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode); -extern int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode); - -extern void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); -extern void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); -extern int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block); - -extern void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode); -extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap); -extern ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap); -extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap); -extern ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap); - -extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num); -extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map); - -/* These two routines moved to gen_bitmap.c */ -extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap, - __u32 bitno); -extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno); diff --git a/e2fsprogs/ext2fs/block.c b/e2fsprogs/ext2fs/block.c deleted file mode 100644 index 0a757b201..000000000 --- a/e2fsprogs/ext2fs/block.c +++ /dev/null @@ -1,438 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * block.c --- iterate over all blocks in an inode - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct block_context { - ext2_filsys fs; - int (*func)(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t bcount, - blk_t ref_blk, - int ref_offset, - void *priv_data); - e2_blkcnt_t bcount; - int bsize; - int flags; - errcode_t errcode; - char *ind_buf; - char *dind_buf; - char *tind_buf; - void *priv_data; -}; - -static int block_iterate_ind(blk_t *ind_block, blk_t ref_block, - int ref_offset, struct block_context *ctx) -{ - int ret = 0, changed = 0; - int i, flags, limit, offset; - blk_t *block_nr; - - limit = ctx->fs->blocksize >> 2; - if (!(ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY)) - ret = (*ctx->func)(ctx->fs, ind_block, - BLOCK_COUNT_IND, ref_block, - ref_offset, ctx->priv_data); - if (!*ind_block || (ret & BLOCK_ABORT)) { - ctx->bcount += limit; - return ret; - } - if (*ind_block >= ctx->fs->super->s_blocks_count || - *ind_block < ctx->fs->super->s_first_data_block) { - ctx->errcode = EXT2_ET_BAD_IND_BLOCK; - ret |= BLOCK_ERROR; - return ret; - } - ctx->errcode = ext2fs_read_ind_block(ctx->fs, *ind_block, - ctx->ind_buf); - if (ctx->errcode) { - ret |= BLOCK_ERROR; - return ret; - } - - block_nr = (blk_t *) ctx->ind_buf; - offset = 0; - if (ctx->flags & BLOCK_FLAG_APPEND) { - for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) { - flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount, - *ind_block, offset, - ctx->priv_data); - changed |= flags; - if (flags & BLOCK_ABORT) { - ret |= BLOCK_ABORT; - break; - } - offset += sizeof(blk_t); - } - } else { - for (i = 0; i < limit; i++, ctx->bcount++, block_nr++) { - if (*block_nr == 0) - continue; - flags = (*ctx->func)(ctx->fs, block_nr, ctx->bcount, - *ind_block, offset, - ctx->priv_data); - changed |= flags; - if (flags & BLOCK_ABORT) { - ret |= BLOCK_ABORT; - break; - } - offset += sizeof(blk_t); - } - } - if (changed & BLOCK_CHANGED) { - ctx->errcode = ext2fs_write_ind_block(ctx->fs, *ind_block, - ctx->ind_buf); - if (ctx->errcode) - ret |= BLOCK_ERROR | BLOCK_ABORT; - } - if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY) && - !(ret & BLOCK_ABORT)) - ret |= (*ctx->func)(ctx->fs, ind_block, - BLOCK_COUNT_IND, ref_block, - ref_offset, ctx->priv_data); - return ret; -} - -static int block_iterate_dind(blk_t *dind_block, blk_t ref_block, - int ref_offset, struct block_context *ctx) -{ - int ret = 0, changed = 0; - int i, flags, limit, offset; - blk_t *block_nr; - - limit = ctx->fs->blocksize >> 2; - if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE | - BLOCK_FLAG_DATA_ONLY))) - ret = (*ctx->func)(ctx->fs, dind_block, - BLOCK_COUNT_DIND, ref_block, - ref_offset, ctx->priv_data); - if (!*dind_block || (ret & BLOCK_ABORT)) { - ctx->bcount += limit*limit; - return ret; - } - if (*dind_block >= ctx->fs->super->s_blocks_count || - *dind_block < ctx->fs->super->s_first_data_block) { - ctx->errcode = EXT2_ET_BAD_DIND_BLOCK; - ret |= BLOCK_ERROR; - return ret; - } - ctx->errcode = ext2fs_read_ind_block(ctx->fs, *dind_block, - ctx->dind_buf); - if (ctx->errcode) { - ret |= BLOCK_ERROR; - return ret; - } - - block_nr = (blk_t *) ctx->dind_buf; - offset = 0; - if (ctx->flags & BLOCK_FLAG_APPEND) { - for (i = 0; i < limit; i++, block_nr++) { - flags = block_iterate_ind(block_nr, - *dind_block, offset, - ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } else { - for (i = 0; i < limit; i++, block_nr++) { - if (*block_nr == 0) { - ctx->bcount += limit; - continue; - } - flags = block_iterate_ind(block_nr, - *dind_block, offset, - ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } - if (changed & BLOCK_CHANGED) { - ctx->errcode = ext2fs_write_ind_block(ctx->fs, *dind_block, - ctx->dind_buf); - if (ctx->errcode) - ret |= BLOCK_ERROR | BLOCK_ABORT; - } - if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY) && - !(ret & BLOCK_ABORT)) - ret |= (*ctx->func)(ctx->fs, dind_block, - BLOCK_COUNT_DIND, ref_block, - ref_offset, ctx->priv_data); - return ret; -} - -static int block_iterate_tind(blk_t *tind_block, blk_t ref_block, - int ref_offset, struct block_context *ctx) -{ - int ret = 0, changed = 0; - int i, flags, limit, offset; - blk_t *block_nr; - - limit = ctx->fs->blocksize >> 2; - if (!(ctx->flags & (BLOCK_FLAG_DEPTH_TRAVERSE | - BLOCK_FLAG_DATA_ONLY))) - ret = (*ctx->func)(ctx->fs, tind_block, - BLOCK_COUNT_TIND, ref_block, - ref_offset, ctx->priv_data); - if (!*tind_block || (ret & BLOCK_ABORT)) { - ctx->bcount += limit*limit*limit; - return ret; - } - if (*tind_block >= ctx->fs->super->s_blocks_count || - *tind_block < ctx->fs->super->s_first_data_block) { - ctx->errcode = EXT2_ET_BAD_TIND_BLOCK; - ret |= BLOCK_ERROR; - return ret; - } - ctx->errcode = ext2fs_read_ind_block(ctx->fs, *tind_block, - ctx->tind_buf); - if (ctx->errcode) { - ret |= BLOCK_ERROR; - return ret; - } - - block_nr = (blk_t *) ctx->tind_buf; - offset = 0; - if (ctx->flags & BLOCK_FLAG_APPEND) { - for (i = 0; i < limit; i++, block_nr++) { - flags = block_iterate_dind(block_nr, - *tind_block, - offset, ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } else { - for (i = 0; i < limit; i++, block_nr++) { - if (*block_nr == 0) { - ctx->bcount += limit*limit; - continue; - } - flags = block_iterate_dind(block_nr, - *tind_block, - offset, ctx); - changed |= flags; - if (flags & (BLOCK_ABORT | BLOCK_ERROR)) { - ret |= flags & (BLOCK_ABORT | BLOCK_ERROR); - break; - } - offset += sizeof(blk_t); - } - } - if (changed & BLOCK_CHANGED) { - ctx->errcode = ext2fs_write_ind_block(ctx->fs, *tind_block, - ctx->tind_buf); - if (ctx->errcode) - ret |= BLOCK_ERROR | BLOCK_ABORT; - } - if ((ctx->flags & BLOCK_FLAG_DEPTH_TRAVERSE) && - !(ctx->flags & BLOCK_FLAG_DATA_ONLY) && - !(ret & BLOCK_ABORT)) - ret |= (*ctx->func)(ctx->fs, tind_block, - BLOCK_COUNT_TIND, ref_block, - ref_offset, ctx->priv_data); - - return ret; -} - -errcode_t ext2fs_block_iterate2(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_blk, - int ref_offset, - void *priv_data), - void *priv_data) -{ - int i; - int got_inode = 0; - int ret = 0; - blk_t blocks[EXT2_N_BLOCKS]; /* directory data blocks */ - struct ext2_inode inode; - errcode_t retval; - struct block_context ctx; - int limit; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * Check to see if we need to limit large files - */ - if (flags & BLOCK_FLAG_NO_LARGE) { - ctx.errcode = ext2fs_read_inode(fs, ino, &inode); - if (ctx.errcode) - return ctx.errcode; - got_inode = 1; - if (!LINUX_S_ISDIR(inode.i_mode) && - (inode.i_size_high != 0)) - return EXT2_ET_FILE_TOO_BIG; - } - - retval = ext2fs_get_blocks(fs, ino, blocks); - if (retval) - return retval; - - limit = fs->blocksize >> 2; - - ctx.fs = fs; - ctx.func = func; - ctx.priv_data = priv_data; - ctx.flags = flags; - ctx.bcount = 0; - if (block_buf) { - ctx.ind_buf = block_buf; - } else { - retval = ext2fs_get_mem(fs->blocksize * 3, &ctx.ind_buf); - if (retval) - return retval; - } - ctx.dind_buf = ctx.ind_buf + fs->blocksize; - ctx.tind_buf = ctx.dind_buf + fs->blocksize; - - /* - * Iterate over the HURD translator block (if present) - */ - if ((fs->super->s_creator_os == EXT2_OS_HURD) && - !(flags & BLOCK_FLAG_DATA_ONLY)) { - ctx.errcode = ext2fs_read_inode(fs, ino, &inode); - if (ctx.errcode) - goto abort_exit; - got_inode = 1; - if (inode.osd1.hurd1.h_i_translator) { - ret |= (*ctx.func)(fs, - &inode.osd1.hurd1.h_i_translator, - BLOCK_COUNT_TRANSLATOR, - 0, 0, priv_data); - if (ret & BLOCK_ABORT) - goto abort_exit; - } - } - - /* - * Iterate over normal data blocks - */ - for (i = 0; i < EXT2_NDIR_BLOCKS ; i++, ctx.bcount++) { - if (blocks[i] || (flags & BLOCK_FLAG_APPEND)) { - ret |= (*ctx.func)(fs, &blocks[i], - ctx.bcount, 0, i, priv_data); - if (ret & BLOCK_ABORT) - goto abort_exit; - } - } - if (*(blocks + EXT2_IND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) { - ret |= block_iterate_ind(blocks + EXT2_IND_BLOCK, - 0, EXT2_IND_BLOCK, &ctx); - if (ret & BLOCK_ABORT) - goto abort_exit; - } else - ctx.bcount += limit; - if (*(blocks + EXT2_DIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) { - ret |= block_iterate_dind(blocks + EXT2_DIND_BLOCK, - 0, EXT2_DIND_BLOCK, &ctx); - if (ret & BLOCK_ABORT) - goto abort_exit; - } else - ctx.bcount += limit * limit; - if (*(blocks + EXT2_TIND_BLOCK) || (flags & BLOCK_FLAG_APPEND)) { - ret |= block_iterate_tind(blocks + EXT2_TIND_BLOCK, - 0, EXT2_TIND_BLOCK, &ctx); - if (ret & BLOCK_ABORT) - goto abort_exit; - } - -abort_exit: - if (ret & BLOCK_CHANGED) { - if (!got_inode) { - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - } - for (i=0; i < EXT2_N_BLOCKS; i++) - inode.i_block[i] = blocks[i]; - retval = ext2fs_write_inode(fs, ino, &inode); - if (retval) - return retval; - } - - if (!block_buf) - ext2fs_free_mem(&ctx.ind_buf); - - return (ret & BLOCK_ERROR) ? ctx.errcode : 0; -} - -/* - * Emulate the old ext2fs_block_iterate function! - */ - -struct xlate { - int (*func)(ext2_filsys fs, - blk_t *blocknr, - int bcount, - void *priv_data); - void *real_private; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int xlate_func(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct xlate *xl = (struct xlate *) priv_data; - - return (*xl->func)(fs, blocknr, (int) blockcnt, xl->real_private); -} - -errcode_t ext2fs_block_iterate(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - int blockcnt, - void *priv_data), - void *priv_data) -{ - struct xlate xl; - - xl.real_private = priv_data; - xl.func = func; - - return ext2fs_block_iterate2(fs, ino, BLOCK_FLAG_NO_LARGE | flags, - block_buf, xlate_func, &xl); -} - diff --git a/e2fsprogs/ext2fs/bmap.c b/e2fsprogs/ext2fs/bmap.c deleted file mode 100644 index b22fe3dbf..000000000 --- a/e2fsprogs/ext2fs/bmap.c +++ /dev/null @@ -1,264 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bmap.c --- logical to physical block mapping - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char *block_buf, int bmap_flags, - blk_t block, blk_t *phys_blk); - -#define inode_bmap(inode, nr) ((inode)->i_block[(nr)]) - -static errcode_t block_ind_bmap(ext2_filsys fs, int flags, - blk_t ind, char *block_buf, - int *blocks_alloc, - blk_t nr, blk_t *ret_blk) -{ - errcode_t retval; - blk_t b; - - if (!ind) { - if (flags & BMAP_SET) - return EXT2_ET_SET_BMAP_NO_IND; - *ret_blk = 0; - return 0; - } - retval = io_channel_read_blk(fs->io, ind, 1, block_buf); - if (retval) - return retval; - - if (flags & BMAP_SET) { - b = *ret_blk; -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - b = ext2fs_swab32(b); -#endif - ((blk_t *) block_buf)[nr] = b; - return io_channel_write_blk(fs->io, ind, 1, block_buf); - } - - b = ((blk_t *) block_buf)[nr]; - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - b = ext2fs_swab32(b); -#endif - - if (!b && (flags & BMAP_ALLOC)) { - b = nr ? ((blk_t *) block_buf)[nr-1] : 0; - retval = ext2fs_alloc_block(fs, b, - block_buf + fs->blocksize, &b); - if (retval) - return retval; - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - ((blk_t *) block_buf)[nr] = ext2fs_swab32(b); - else -#endif - ((blk_t *) block_buf)[nr] = b; - - retval = io_channel_write_blk(fs->io, ind, 1, block_buf); - if (retval) - return retval; - - (*blocks_alloc)++; - } - - *ret_blk = b; - return 0; -} - -static errcode_t block_dind_bmap(ext2_filsys fs, int flags, - blk_t dind, char *block_buf, - int *blocks_alloc, - blk_t nr, blk_t *ret_blk) -{ - blk_t b; - errcode_t retval; - blk_t addr_per_block; - - addr_per_block = (blk_t) fs->blocksize >> 2; - - retval = block_ind_bmap(fs, flags & ~BMAP_SET, dind, block_buf, - blocks_alloc, nr / addr_per_block, &b); - if (retval) - return retval; - retval = block_ind_bmap(fs, flags, b, block_buf, blocks_alloc, - nr % addr_per_block, ret_blk); - return retval; -} - -static errcode_t block_tind_bmap(ext2_filsys fs, int flags, - blk_t tind, char *block_buf, - int *blocks_alloc, - blk_t nr, blk_t *ret_blk) -{ - blk_t b; - errcode_t retval; - blk_t addr_per_block; - - addr_per_block = (blk_t) fs->blocksize >> 2; - - retval = block_dind_bmap(fs, flags & ~BMAP_SET, tind, block_buf, - blocks_alloc, nr / addr_per_block, &b); - if (retval) - return retval; - retval = block_ind_bmap(fs, flags, b, block_buf, blocks_alloc, - nr % addr_per_block, ret_blk); - return retval; -} - -errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode, - char *block_buf, int bmap_flags, blk_t block, - blk_t *phys_blk) -{ - struct ext2_inode inode_buf; - blk_t addr_per_block; - blk_t b; - char *buf = 0; - errcode_t retval = 0; - int blocks_alloc = 0, inode_dirty = 0; - - if (!(bmap_flags & BMAP_SET)) - *phys_blk = 0; - - /* Read inode structure if necessary */ - if (!inode) { - retval = ext2fs_read_inode(fs, ino, &inode_buf); - if (retval) - return retval; - inode = &inode_buf; - } - addr_per_block = (blk_t) fs->blocksize >> 2; - - if (!block_buf) { - retval = ext2fs_get_mem(fs->blocksize * 2, &buf); - if (retval) - return retval; - block_buf = buf; - } - - if (block < EXT2_NDIR_BLOCKS) { - if (bmap_flags & BMAP_SET) { - b = *phys_blk; -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - b = ext2fs_swab32(b); -#endif - inode_bmap(inode, block) = b; - inode_dirty++; - goto done; - } - - *phys_blk = inode_bmap(inode, block); - b = block ? inode_bmap(inode, block-1) : 0; - - if ((*phys_blk == 0) && (bmap_flags & BMAP_ALLOC)) { - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, block) = b; - blocks_alloc++; - *phys_blk = b; - } - goto done; - } - - /* Indirect block */ - block -= EXT2_NDIR_BLOCKS; - if (block < addr_per_block) { - b = inode_bmap(inode, EXT2_IND_BLOCK); - if (!b) { - if (!(bmap_flags & BMAP_ALLOC)) { - if (bmap_flags & BMAP_SET) - retval = EXT2_ET_SET_BMAP_NO_IND; - goto done; - } - - b = inode_bmap(inode, EXT2_IND_BLOCK-1); - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, EXT2_IND_BLOCK) = b; - blocks_alloc++; - } - retval = block_ind_bmap(fs, bmap_flags, b, block_buf, - &blocks_alloc, block, phys_blk); - goto done; - } - - /* Doubly indirect block */ - block -= addr_per_block; - if (block < addr_per_block * addr_per_block) { - b = inode_bmap(inode, EXT2_DIND_BLOCK); - if (!b) { - if (!(bmap_flags & BMAP_ALLOC)) { - if (bmap_flags & BMAP_SET) - retval = EXT2_ET_SET_BMAP_NO_IND; - goto done; - } - - b = inode_bmap(inode, EXT2_IND_BLOCK); - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, EXT2_DIND_BLOCK) = b; - blocks_alloc++; - } - retval = block_dind_bmap(fs, bmap_flags, b, block_buf, - &blocks_alloc, block, phys_blk); - goto done; - } - - /* Triply indirect block */ - block -= addr_per_block * addr_per_block; - b = inode_bmap(inode, EXT2_TIND_BLOCK); - if (!b) { - if (!(bmap_flags & BMAP_ALLOC)) { - if (bmap_flags & BMAP_SET) - retval = EXT2_ET_SET_BMAP_NO_IND; - goto done; - } - - b = inode_bmap(inode, EXT2_DIND_BLOCK); - retval = ext2fs_alloc_block(fs, b, block_buf, &b); - if (retval) - goto done; - inode_bmap(inode, EXT2_TIND_BLOCK) = b; - blocks_alloc++; - } - retval = block_tind_bmap(fs, bmap_flags, b, block_buf, - &blocks_alloc, block, phys_blk); -done: - ext2fs_free_mem(&buf); - if ((retval == 0) && (blocks_alloc || inode_dirty)) { - inode->i_blocks += (blocks_alloc * fs->blocksize) / 512; - retval = ext2fs_write_inode(fs, ino, inode); - } - return retval; -} - - - diff --git a/e2fsprogs/ext2fs/bmove.c b/e2fsprogs/ext2fs/bmove.c deleted file mode 100644 index 635410da5..000000000 --- a/e2fsprogs/ext2fs/bmove.c +++ /dev/null @@ -1,156 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * bmove.c --- Move blocks around to make way for a particular - * filesystem structure. - * - * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed - * under the terms of the GNU Public License. - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -struct process_block_struct { - ext2_ino_t ino; - struct ext2_inode * inode; - ext2fs_block_bitmap reserve; - ext2fs_block_bitmap alloc_map; - errcode_t error; - char *buf; - int add_dir; - int flags; -}; - -static int process_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt, blk_t ref_block, - int ref_offset, void *priv_data) -{ - struct process_block_struct *pb; - errcode_t retval; - int ret; - blk_t block, orig; - - pb = (struct process_block_struct *) priv_data; - block = orig = *block_nr; - ret = 0; - - /* - * Let's see if this is one which we need to relocate - */ - if (ext2fs_test_block_bitmap(pb->reserve, block)) { - do { - if (++block >= fs->super->s_blocks_count) - block = fs->super->s_first_data_block; - if (block == orig) { - pb->error = EXT2_ET_BLOCK_ALLOC_FAIL; - return BLOCK_ABORT; - } - } while (ext2fs_test_block_bitmap(pb->reserve, block) || - ext2fs_test_block_bitmap(pb->alloc_map, block)); - - retval = io_channel_read_blk(fs->io, orig, 1, pb->buf); - if (retval) { - pb->error = retval; - return BLOCK_ABORT; - } - retval = io_channel_write_blk(fs->io, block, 1, pb->buf); - if (retval) { - pb->error = retval; - return BLOCK_ABORT; - } - *block_nr = block; - ext2fs_mark_block_bitmap(pb->alloc_map, block); - ret = BLOCK_CHANGED; - if (pb->flags & EXT2_BMOVE_DEBUG) - printf("ino=%ld, blockcnt=%lld, %d->%d\n", pb->ino, - blockcnt, orig, block); - } - if (pb->add_dir) { - retval = ext2fs_add_dir_block(fs->dblist, pb->ino, - block, (int) blockcnt); - if (retval) { - pb->error = retval; - ret |= BLOCK_ABORT; - } - } - return ret; -} - -errcode_t ext2fs_move_blocks(ext2_filsys fs, - ext2fs_block_bitmap reserve, - ext2fs_block_bitmap alloc_map, - int flags) -{ - ext2_ino_t ino; - struct ext2_inode inode; - errcode_t retval; - struct process_block_struct pb; - ext2_inode_scan scan; - char *block_buf; - - retval = ext2fs_open_inode_scan(fs, 0, &scan); - if (retval) - return retval; - - pb.reserve = reserve; - pb.error = 0; - pb.alloc_map = alloc_map ? alloc_map : fs->block_map; - pb.flags = flags; - - retval = ext2fs_get_mem(fs->blocksize * 4, &block_buf); - if (retval) - return retval; - pb.buf = block_buf + fs->blocksize * 3; - - /* - * If GET_DBLIST is set in the flags field, then we should - * gather directory block information while we're doing the - * block move. - */ - if (flags & EXT2_BMOVE_GET_DBLIST) { - ext2fs_free_dblist(fs->dblist); - fs->dblist = NULL; - retval = ext2fs_init_dblist(fs, 0); - if (retval) - return retval; - } - - retval = ext2fs_get_next_inode(scan, &ino, &inode); - if (retval) - return retval; - - while (ino) { - if ((inode.i_links_count == 0) || - !ext2fs_inode_has_valid_blocks(&inode)) - goto next; - - pb.ino = ino; - pb.inode = &inode; - - pb.add_dir = (LINUX_S_ISDIR(inode.i_mode) && - flags & EXT2_BMOVE_GET_DBLIST); - - retval = ext2fs_block_iterate2(fs, ino, 0, block_buf, - process_block, &pb); - if (retval) - return retval; - if (pb.error) - return pb.error; - - next: - retval = ext2fs_get_next_inode(scan, &ino, &inode); - if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) - goto next; - } - return 0; -} - diff --git a/e2fsprogs/ext2fs/brel.h b/e2fsprogs/ext2fs/brel.h deleted file mode 100644 index 216fd132c..000000000 --- a/e2fsprogs/ext2fs/brel.h +++ /dev/null @@ -1,87 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * brel.h - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -struct ext2_block_relocate_entry { - blk_t new; - __s16 offset; - __u16 flags; - union { - blk_t block_ref; - ext2_ino_t inode_ref; - } owner; -}; - -#define RELOCATE_TYPE_REF 0x0007 -#define RELOCATE_BLOCK_REF 0x0001 -#define RELOCATE_INODE_REF 0x0002 - -typedef struct ext2_block_relocation_table *ext2_brel; - -struct ext2_block_relocation_table { - __u32 magic; - char *name; - blk_t current; - void *priv_data; - - /* - * Add a block relocation entry. - */ - errcode_t (*put)(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); - - /* - * Get a block relocation entry. - */ - errcode_t (*get)(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); - - /* - * Initialize for iterating over the block relocation entries. - */ - errcode_t (*start_iter)(ext2_brel brel); - - /* - * The iterator function for the inode relocation entries. - * Returns an inode number of 0 when out of entries. - */ - errcode_t (*next)(ext2_brel brel, blk_t *old, - struct ext2_block_relocate_entry *ent); - - /* - * Move the inode relocation table from one block number to - * another. - */ - errcode_t (*move)(ext2_brel brel, blk_t old, blk_t new); - - /* - * Remove a block relocation entry. - */ - errcode_t (*delete)(ext2_brel brel, blk_t old); - - - /* - * Free the block relocation table. - */ - errcode_t (*free)(ext2_brel brel); -}; - -errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block, - ext2_brel *brel); - -#define ext2fs_brel_put(brel, old, ent) ((brel)->put((brel), old, ent)) -#define ext2fs_brel_get(brel, old, ent) ((brel)->get((brel), old, ent)) -#define ext2fs_brel_start_iter(brel) ((brel)->start_iter((brel))) -#define ext2fs_brel_next(brel, old, ent) ((brel)->next((brel), old, ent)) -#define ext2fs_brel_move(brel, old, new) ((brel)->move((brel), old, new)) -#define ext2fs_brel_delete(brel, old) ((brel)->delete((brel), old)) -#define ext2fs_brel_free(brel) ((brel)->free((brel))) - diff --git a/e2fsprogs/ext2fs/brel_ma.c b/e2fsprogs/ext2fs/brel_ma.c deleted file mode 100644 index 652a3509c..000000000 --- a/e2fsprogs/ext2fs/brel_ma.c +++ /dev/null @@ -1,196 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * brel_ma.c - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * TODO: rewrite to not use a direct array!!! (Fortunately this - * module isn't really used yet.) - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "brel.h" - -static errcode_t bma_put(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); -static errcode_t bma_get(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent); -static errcode_t bma_start_iter(ext2_brel brel); -static errcode_t bma_next(ext2_brel brel, blk_t *old, - struct ext2_block_relocate_entry *ent); -static errcode_t bma_move(ext2_brel brel, blk_t old, blk_t new); -static errcode_t bma_delete(ext2_brel brel, blk_t old); -static errcode_t bma_free(ext2_brel brel); - -struct brel_ma { - __u32 magic; - blk_t max_block; - struct ext2_block_relocate_entry *entries; -}; - -errcode_t ext2fs_brel_memarray_create(char *name, blk_t max_block, - ext2_brel *new_brel) -{ - ext2_brel brel = 0; - errcode_t retval; - struct brel_ma *ma = 0; - size_t size; - - *new_brel = 0; - - /* - * Allocate memory structures - */ - retval = ext2fs_get_mem(sizeof(struct ext2_block_relocation_table), - &brel); - if (retval) - goto errout; - memset(brel, 0, sizeof(struct ext2_block_relocation_table)); - - retval = ext2fs_get_mem(strlen(name)+1, &brel->name); - if (retval) - goto errout; - strcpy(brel->name, name); - - retval = ext2fs_get_mem(sizeof(struct brel_ma), &ma); - if (retval) - goto errout; - memset(ma, 0, sizeof(struct brel_ma)); - brel->priv_data = ma; - - size = (size_t) (sizeof(struct ext2_block_relocate_entry) * - (max_block+1)); - retval = ext2fs_get_mem(size, &ma->entries); - if (retval) - goto errout; - memset(ma->entries, 0, size); - ma->max_block = max_block; - - /* - * Fill in the brel data structure - */ - brel->put = bma_put; - brel->get = bma_get; - brel->start_iter = bma_start_iter; - brel->next = bma_next; - brel->move = bma_move; - brel->delete = bma_delete; - brel->free = bma_free; - - *new_brel = brel; - return 0; - -errout: - bma_free(brel); - return retval; -} - -static errcode_t bma_put(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if (old > ma->max_block) - return EXT2_ET_INVALID_ARGUMENT; - ma->entries[(unsigned)old] = *ent; - return 0; -} - -static errcode_t bma_get(ext2_brel brel, blk_t old, - struct ext2_block_relocate_entry *ent) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if (old > ma->max_block) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned)old].new == 0) - return ENOENT; - *ent = ma->entries[old]; - return 0; -} - -static errcode_t bma_start_iter(ext2_brel brel) -{ - brel->current = 0; - return 0; -} - -static errcode_t bma_next(ext2_brel brel, blk_t *old, - struct ext2_block_relocate_entry *ent) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - while (++brel->current < ma->max_block) { - if (ma->entries[(unsigned)brel->current].new == 0) - continue; - *old = brel->current; - *ent = ma->entries[(unsigned)brel->current]; - return 0; - } - *old = 0; - return 0; -} - -static errcode_t bma_move(ext2_brel brel, blk_t old, blk_t new) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if ((old > ma->max_block) || (new > ma->max_block)) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned)old].new == 0) - return ENOENT; - ma->entries[(unsigned)new] = ma->entries[old]; - ma->entries[(unsigned)old].new = 0; - return 0; -} - -static errcode_t bma_delete(ext2_brel brel, blk_t old) -{ - struct brel_ma *ma; - - ma = brel->priv_data; - if (old > ma->max_block) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned)old].new == 0) - return ENOENT; - ma->entries[(unsigned)old].new = 0; - return 0; -} - -static errcode_t bma_free(ext2_brel brel) -{ - struct brel_ma *ma; - - if (!brel) - return 0; - - ma = brel->priv_data; - - if (ma) { - ext2fs_free_mem(&ma->entries); - ext2fs_free_mem(&ma); - } - ext2fs_free_mem(&brel->name); - ext2fs_free_mem(&brel); - return 0; -} diff --git a/e2fsprogs/ext2fs/check_desc.c b/e2fsprogs/ext2fs/check_desc.c deleted file mode 100644 index dd4b0e9cf..000000000 --- a/e2fsprogs/ext2fs/check_desc.c +++ /dev/null @@ -1,69 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * check_desc.c --- Check the group descriptors of an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * This routine sanity checks the group descriptors - */ -errcode_t ext2fs_check_desc(ext2_filsys fs) -{ - dgrp_t i; - blk_t block = fs->super->s_first_data_block; - blk_t next; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - for (i = 0; i < fs->group_desc_count; i++) { - next = block + fs->super->s_blocks_per_group; - /* - * Check to make sure block bitmap for group is - * located within the group. - */ - if (fs->group_desc[i].bg_block_bitmap < block || - fs->group_desc[i].bg_block_bitmap >= next) - return EXT2_ET_GDESC_BAD_BLOCK_MAP; - /* - * Check to make sure inode bitmap for group is - * located within the group - */ - if (fs->group_desc[i].bg_inode_bitmap < block || - fs->group_desc[i].bg_inode_bitmap >= next) - return EXT2_ET_GDESC_BAD_INODE_MAP; - /* - * Check to make sure inode table for group is located - * within the group - */ - if (fs->group_desc[i].bg_inode_table < block || - ((fs->group_desc[i].bg_inode_table + - fs->inode_blocks_per_group) >= next)) - return EXT2_ET_GDESC_BAD_INODE_TABLE; - - block = next; - } - return 0; -} diff --git a/e2fsprogs/ext2fs/closefs.c b/e2fsprogs/ext2fs/closefs.c deleted file mode 100644 index 008d5f36e..000000000 --- a/e2fsprogs/ext2fs/closefs.c +++ /dev/null @@ -1,381 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * closefs.c --- close an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <time.h> -#include <string.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int test_root(int a, int b) -{ - if (a == 0) - return 1; - while (1) { - if (a == 1) - return 1; - if (a % b) - return 0; - a = a / b; - } -} - -int ext2fs_bg_has_super(ext2_filsys fs, int group_block) -{ - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) - return 1; - - if (test_root(group_block, 3) || (test_root(group_block, 5)) || - test_root(group_block, 7)) - return 1; - - return 0; -} - -int ext2fs_super_and_bgd_loc(ext2_filsys fs, - dgrp_t group, - blk_t *ret_super_blk, - blk_t *ret_old_desc_blk, - blk_t *ret_new_desc_blk, - int *ret_meta_bg) -{ - blk_t group_block, super_blk = 0, old_desc_blk = 0, new_desc_blk = 0; - unsigned int meta_bg, meta_bg_size; - int numblocks, has_super; - int old_desc_blocks; - - group_block = fs->super->s_first_data_block + - (group * fs->super->s_blocks_per_group); - - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) - old_desc_blocks = fs->super->s_first_meta_bg; - else - old_desc_blocks = - fs->desc_blocks + fs->super->s_reserved_gdt_blocks; - - if (group == fs->group_desc_count-1) { - numblocks = (fs->super->s_blocks_count - - fs->super->s_first_data_block) % - fs->super->s_blocks_per_group; - if (!numblocks) - numblocks = fs->super->s_blocks_per_group; - } else - numblocks = fs->super->s_blocks_per_group; - - has_super = ext2fs_bg_has_super(fs, group); - - if (has_super) { - super_blk = group_block; - numblocks--; - } - meta_bg_size = (fs->blocksize / sizeof (struct ext2_group_desc)); - meta_bg = group / meta_bg_size; - - if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) || - (meta_bg < fs->super->s_first_meta_bg)) { - if (has_super) { - old_desc_blk = group_block + 1; - numblocks -= old_desc_blocks; - } - } else { - if (((group % meta_bg_size) == 0) || - ((group % meta_bg_size) == 1) || - ((group % meta_bg_size) == (meta_bg_size-1))) { - if (has_super) - has_super = 1; - new_desc_blk = group_block + has_super; - numblocks--; - } - } - - numblocks -= 2 + fs->inode_blocks_per_group; - - if (ret_super_blk) - *ret_super_blk = super_blk; - if (ret_old_desc_blk) - *ret_old_desc_blk = old_desc_blk; - if (ret_new_desc_blk) - *ret_new_desc_blk = new_desc_blk; - if (ret_meta_bg) - *ret_meta_bg = meta_bg; - return numblocks; -} - - -/* - * This function forces out the primary superblock. We need to only - * write out those fields which we have changed, since if the - * filesystem is mounted, it may have changed some of the other - * fields. - * - * It takes as input a superblock which has already been byte swapped - * (if necessary). - * - */ -static errcode_t write_primary_superblock(ext2_filsys fs, - struct ext2_super_block *super) -{ - __u16 *old_super, *new_super; - int check_idx, write_idx, size; - errcode_t retval; - - if (!fs->io->manager->write_byte || !fs->orig_super) { - io_channel_set_blksize(fs->io, SUPERBLOCK_OFFSET); - retval = io_channel_write_blk(fs->io, 1, -SUPERBLOCK_SIZE, - super); - io_channel_set_blksize(fs->io, fs->blocksize); - return retval; - } - - old_super = (__u16 *) fs->orig_super; - new_super = (__u16 *) super; - - for (check_idx = 0; check_idx < SUPERBLOCK_SIZE/2; check_idx++) { - if (old_super[check_idx] == new_super[check_idx]) - continue; - write_idx = check_idx; - for (check_idx++; check_idx < SUPERBLOCK_SIZE/2; check_idx++) - if (old_super[check_idx] == new_super[check_idx]) - break; - size = 2 * (check_idx - write_idx); - retval = io_channel_write_byte(fs->io, - SUPERBLOCK_OFFSET + (2 * write_idx), size, - new_super + write_idx); - if (retval) - return retval; - } - memcpy(fs->orig_super, super, SUPERBLOCK_SIZE); - return 0; -} - - -/* - * Updates the revision to EXT2_DYNAMIC_REV - */ -void ext2fs_update_dynamic_rev(ext2_filsys fs) -{ - struct ext2_super_block *sb = fs->super; - - if (sb->s_rev_level > EXT2_GOOD_OLD_REV) - return; - - sb->s_rev_level = EXT2_DYNAMIC_REV; - sb->s_first_ino = EXT2_GOOD_OLD_FIRST_INO; - sb->s_inode_size = EXT2_GOOD_OLD_INODE_SIZE; - /* s_uuid is handled by e2fsck already */ - /* other fields should be left alone */ -} - -static errcode_t write_backup_super(ext2_filsys fs, dgrp_t group, - blk_t group_block, - struct ext2_super_block *super_shadow) -{ - dgrp_t sgrp = group; - - if (sgrp > ((1 << 16) - 1)) - sgrp = (1 << 16) - 1; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) - super_shadow->s_block_group_nr = ext2fs_swab16(sgrp); - else -#endif - fs->super->s_block_group_nr = sgrp; - - return io_channel_write_blk(fs->io, group_block, -SUPERBLOCK_SIZE, - super_shadow); -} - - -errcode_t ext2fs_flush(ext2_filsys fs) -{ - dgrp_t i; - blk_t group_block; - errcode_t retval; - unsigned long fs_state; - struct ext2_super_block *super_shadow = 0; - struct ext2_group_desc *group_shadow = 0; - char *group_ptr; - int old_desc_blocks; -#if BB_BIG_ENDIAN - dgrp_t j; - struct ext2_group_desc *s, *t; -#endif - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs_state = fs->super->s_state; - - fs->super->s_wtime = time(NULL); - fs->super->s_block_group_nr = 0; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - retval = EXT2_ET_NO_MEMORY; - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &super_shadow); - if (retval) - goto errout; - retval = ext2fs_get_mem((size_t)(fs->blocksize * - fs->desc_blocks), - &group_shadow); - if (retval) - goto errout; - memset(group_shadow, 0, (size_t) fs->blocksize * - fs->desc_blocks); - - /* swap the group descriptors */ - for (j=0, s=fs->group_desc, t=group_shadow; - j < fs->group_desc_count; j++, t++, s++) { - *t = *s; - ext2fs_swap_group_desc(t); - } - } else { - super_shadow = fs->super; - group_shadow = fs->group_desc; - } -#else - super_shadow = fs->super; - group_shadow = fs->group_desc; -#endif - - /* - * If this is an external journal device, don't write out the - * block group descriptors or any of the backup superblocks - */ - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) - goto write_primary_superblock_only; - - /* - * Set the state of the FS to be non-valid. (The state has - * already been backed up earlier, and will be restored after - * we write out the backup superblocks.) - */ - fs->super->s_state &= ~EXT2_VALID_FS; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - *super_shadow = *fs->super; - ext2fs_swap_super(super_shadow); - } -#endif - - /* - * Write out the master group descriptors, and the backup - * superblocks and group descriptors. - */ - group_block = fs->super->s_first_data_block; - group_ptr = (char *) group_shadow; - if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) - old_desc_blocks = fs->super->s_first_meta_bg; - else - old_desc_blocks = fs->desc_blocks; - - for (i = 0; i < fs->group_desc_count; i++) { - blk_t super_blk, old_desc_blk, new_desc_blk; - int meta_bg; - - ext2fs_super_and_bgd_loc(fs, i, &super_blk, &old_desc_blk, - &new_desc_blk, &meta_bg); - - if (!(fs->flags & EXT2_FLAG_MASTER_SB_ONLY) &&i && super_blk) { - retval = write_backup_super(fs, i, super_blk, - super_shadow); - if (retval) - goto errout; - } - if (fs->flags & EXT2_FLAG_SUPER_ONLY) - continue; - if ((old_desc_blk) && - (!(fs->flags & EXT2_FLAG_MASTER_SB_ONLY) || (i == 0))) { - retval = io_channel_write_blk(fs->io, - old_desc_blk, old_desc_blocks, group_ptr); - if (retval) - goto errout; - } - if (new_desc_blk) { - retval = io_channel_write_blk(fs->io, new_desc_blk, - 1, group_ptr + (meta_bg*fs->blocksize)); - if (retval) - goto errout; - } - } - fs->super->s_block_group_nr = 0; - fs->super->s_state = fs_state; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - *super_shadow = *fs->super; - ext2fs_swap_super(super_shadow); - } -#endif - - /* - * If the write_bitmaps() function is present, call it to - * flush the bitmaps. This is done this way so that a simple - * program that doesn't mess with the bitmaps doesn't need to - * drag in the bitmaps.c code. - */ - if (fs->write_bitmaps) { - retval = fs->write_bitmaps(fs); - if (retval) - goto errout; - } - -write_primary_superblock_only: - /* - * Write out master superblock. This has to be done - * separately, since it is located at a fixed location - * (SUPERBLOCK_OFFSET). We flush all other pending changes - * out to disk first, just to avoid a race condition with an - * insy-tinsy window.... - */ - retval = io_channel_flush(fs->io); - retval = write_primary_superblock(fs, super_shadow); - if (retval) - goto errout; - - fs->flags &= ~EXT2_FLAG_DIRTY; - - retval = io_channel_flush(fs->io); -errout: - fs->super->s_state = fs_state; - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - if (super_shadow) - ext2fs_free_mem(&super_shadow); - if (group_shadow) - ext2fs_free_mem(&group_shadow); - } - return retval; -} - -errcode_t ext2fs_close(ext2_filsys fs) -{ - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (fs->flags & EXT2_FLAG_DIRTY) { - retval = ext2fs_flush(fs); - if (retval) - return retval; - } - if (fs->write_bitmaps) { - retval = fs->write_bitmaps(fs); - if (retval) - return retval; - } - ext2fs_free(fs); - return 0; -} - diff --git a/e2fsprogs/ext2fs/cmp_bitmaps.c b/e2fsprogs/ext2fs/cmp_bitmaps.c deleted file mode 100644 index 05b8eb8d7..000000000 --- a/e2fsprogs/ext2fs/cmp_bitmaps.c +++ /dev/null @@ -1,73 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * cmp_bitmaps.c --- routines to compare inode and block bitmaps. - * - * Copyright (C) 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, - ext2fs_block_bitmap bm2) -{ - blk_t i; - - EXT2_CHECK_MAGIC(bm1, EXT2_ET_MAGIC_BLOCK_BITMAP); - EXT2_CHECK_MAGIC(bm2, EXT2_ET_MAGIC_BLOCK_BITMAP); - - if ((bm1->start != bm2->start) || - (bm1->end != bm2->end) || - (memcmp(bm1->bitmap, bm2->bitmap, - (size_t) (bm1->end - bm1->start)/8))) - return EXT2_ET_NEQ_BLOCK_BITMAP; - - for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++) - if (ext2fs_fast_test_block_bitmap(bm1, i) != - ext2fs_fast_test_block_bitmap(bm2, i)) - return EXT2_ET_NEQ_BLOCK_BITMAP; - - return 0; -} - -errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, - ext2fs_inode_bitmap bm2) -{ - ext2_ino_t i; - - EXT2_CHECK_MAGIC(bm1, EXT2_ET_MAGIC_INODE_BITMAP); - EXT2_CHECK_MAGIC(bm2, EXT2_ET_MAGIC_INODE_BITMAP); - - if ((bm1->start != bm2->start) || - (bm1->end != bm2->end) || - (memcmp(bm1->bitmap, bm2->bitmap, - (size_t) (bm1->end - bm1->start)/8))) - return EXT2_ET_NEQ_INODE_BITMAP; - - for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++) - if (ext2fs_fast_test_inode_bitmap(bm1, i) != - ext2fs_fast_test_inode_bitmap(bm2, i)) - return EXT2_ET_NEQ_INODE_BITMAP; - - return 0; -} - diff --git a/e2fsprogs/ext2fs/dblist.c b/e2fsprogs/ext2fs/dblist.c deleted file mode 100644 index 06ff6d807..000000000 --- a/e2fsprogs/ext2fs/dblist.c +++ /dev/null @@ -1,260 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dblist.c -- directory block list functions - * - * Copyright 1997 by Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int dir_block_cmp(const void *a, const void *b); - -/* - * Returns the number of directories in the filesystem as reported by - * the group descriptors. Of course, the group descriptors could be - * wrong! - */ -errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs) -{ - dgrp_t i; - ext2_ino_t num_dirs, max_dirs; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - num_dirs = 0; - max_dirs = fs->super->s_inodes_per_group; - for (i = 0; i < fs->group_desc_count; i++) { - if (fs->group_desc[i].bg_used_dirs_count > max_dirs) - num_dirs += max_dirs / 8; - else - num_dirs += fs->group_desc[i].bg_used_dirs_count; - } - if (num_dirs > fs->super->s_inodes_count) - num_dirs = fs->super->s_inodes_count; - - *ret_num_dirs = num_dirs; - - return 0; -} - -/* - * helper function for making a new directory block list (for - * initialize and copy). - */ -static errcode_t make_dblist(ext2_filsys fs, ext2_ino_t size, ext2_ino_t count, - struct ext2_db_entry *list, - ext2_dblist *ret_dblist) -{ - ext2_dblist dblist; - errcode_t retval; - size_t len; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if ((ret_dblist == 0) && fs->dblist && - (fs->dblist->magic == EXT2_ET_MAGIC_DBLIST)) - return 0; - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_dblist), &dblist); - if (retval) - return retval; - memset(dblist, 0, sizeof(struct ext2_struct_dblist)); - - dblist->magic = EXT2_ET_MAGIC_DBLIST; - dblist->fs = fs; - if (size) - dblist->size = size; - else { - retval = ext2fs_get_num_dirs(fs, &dblist->size); - if (retval) - goto cleanup; - dblist->size = (dblist->size * 2) + 12; - } - len = (size_t) sizeof(struct ext2_db_entry) * dblist->size; - dblist->count = count; - retval = ext2fs_get_mem(len, &dblist->list); - if (retval) - goto cleanup; - - if (list) - memcpy(dblist->list, list, len); - else - memset(dblist->list, 0, len); - if (ret_dblist) - *ret_dblist = dblist; - else - fs->dblist = dblist; - return 0; -cleanup: - ext2fs_free_mem(&dblist); - return retval; -} - -/* - * Initialize a directory block list - */ -errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist) -{ - ext2_dblist dblist; - errcode_t retval; - - retval = make_dblist(fs, 0, 0, 0, &dblist); - if (retval) - return retval; - - dblist->sorted = 1; - if (ret_dblist) - *ret_dblist = dblist; - else - fs->dblist = dblist; - - return 0; -} - -/* - * Copy a directory block list - */ -errcode_t ext2fs_copy_dblist(ext2_dblist src, ext2_dblist *dest) -{ - ext2_dblist dblist; - errcode_t retval; - - retval = make_dblist(src->fs, src->size, src->count, src->list, - &dblist); - if (retval) - return retval; - dblist->sorted = src->sorted; - *dest = dblist; - return 0; -} - -/* - * Close a directory block list - * - * (moved to closefs.c) - */ - - -/* - * Add a directory block to the directory block list - */ -errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, blk_t blk, - int blockcnt) -{ - struct ext2_db_entry *new_entry; - errcode_t retval; - unsigned long old_size; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - if (dblist->count >= dblist->size) { - old_size = dblist->size * sizeof(struct ext2_db_entry); - dblist->size += 100; - retval = ext2fs_resize_mem(old_size, (size_t) dblist->size * - sizeof(struct ext2_db_entry), - &dblist->list); - if (retval) { - dblist->size -= 100; - return retval; - } - } - new_entry = dblist->list + ( (int) dblist->count++); - new_entry->blk = blk; - new_entry->ino = ino; - new_entry->blockcnt = blockcnt; - - dblist->sorted = 0; - - return 0; -} - -/* - * Change the directory block to the directory block list - */ -errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, blk_t blk, - int blockcnt) -{ - dgrp_t i; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - for (i=0; i < dblist->count; i++) { - if ((dblist->list[i].ino != ino) || - (dblist->list[i].blockcnt != blockcnt)) - continue; - dblist->list[i].blk = blk; - dblist->sorted = 0; - return 0; - } - return EXT2_ET_DB_NOT_FOUND; -} - -void ext2fs_dblist_sort(ext2_dblist dblist, - int (*sortfunc)(const void *, - const void *)) -{ - if (!sortfunc) - sortfunc = dir_block_cmp; - qsort(dblist->list, (size_t) dblist->count, - sizeof(struct ext2_db_entry), sortfunc); - dblist->sorted = 1; -} - -/* - * This function iterates over the directory block list - */ -errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, - int (*func)(ext2_filsys fs, - struct ext2_db_entry *db_info, - void *priv_data), - void *priv_data) -{ - ext2_ino_t i; - int ret; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - if (!dblist->sorted) - ext2fs_dblist_sort(dblist, 0); - for (i=0; i < dblist->count; i++) { - ret = (*func)(dblist->fs, &dblist->list[(int)i], priv_data); - if (ret & DBLIST_ABORT) - return 0; - } - return 0; -} - -static int dir_block_cmp(const void *a, const void *b) -{ - const struct ext2_db_entry *db_a = - (const struct ext2_db_entry *) a; - const struct ext2_db_entry *db_b = - (const struct ext2_db_entry *) b; - - if (db_a->blk != db_b->blk) - return (int) (db_a->blk - db_b->blk); - - if (db_a->ino != db_b->ino) - return (int) (db_a->ino - db_b->ino); - - return (int) (db_a->blockcnt - db_b->blockcnt); -} - -int ext2fs_dblist_count(ext2_dblist dblist) -{ - return (int) dblist->count; -} diff --git a/e2fsprogs/ext2fs/dblist_dir.c b/e2fsprogs/ext2fs/dblist_dir.c deleted file mode 100644 index b23920466..000000000 --- a/e2fsprogs/ext2fs/dblist_dir.c +++ /dev/null @@ -1,76 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dblist_dir.c --- iterate by directory entry - * - * Copyright 1997 by Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info, - void *priv_data); - -errcode_t ext2fs_dblist_dir_iterate(ext2_dblist dblist, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data) -{ - errcode_t retval; - struct dir_context ctx; - - EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); - - ctx.dir = 0; - ctx.flags = flags; - if (block_buf) - ctx.buf = block_buf; - else { - retval = ext2fs_get_mem(dblist->fs->blocksize, &ctx.buf); - if (retval) - return retval; - } - ctx.func = func; - ctx.priv_data = priv_data; - ctx.errcode = 0; - - retval = ext2fs_dblist_iterate(dblist, db_dir_proc, &ctx); - - if (!block_buf) - ext2fs_free_mem(&ctx.buf); - if (retval) - return retval; - return ctx.errcode; -} - -static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info, - void *priv_data) -{ - struct dir_context *ctx; - - ctx = (struct dir_context *) priv_data; - ctx->dir = db_info->ino; - - return ext2fs_process_dir_block(fs, &db_info->blk, - db_info->blockcnt, 0, 0, priv_data); -} diff --git a/e2fsprogs/ext2fs/dir_iterate.c b/e2fsprogs/ext2fs/dir_iterate.c deleted file mode 100644 index b7d873595..000000000 --- a/e2fsprogs/ext2fs/dir_iterate.c +++ /dev/null @@ -1,220 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dir_iterate.c --- ext2fs directory iteration operations - * - * Copyright (C) 1993, 1994, 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -/* - * This function checks to see whether or not a potential deleted - * directory entry looks valid. What we do is check the deleted entry - * and each successive entry to make sure that they all look valid and - * that the last deleted entry ends at the beginning of the next - * undeleted entry. Returns 1 if the deleted entry looks valid, zero - * if not valid. - */ -static int ext2fs_validate_entry(char *buf, int offset, int final_offset) -{ - struct ext2_dir_entry *dirent; - - while (offset < final_offset) { - dirent = (struct ext2_dir_entry *)(buf + offset); - offset += dirent->rec_len; - if ((dirent->rec_len < 8) || - ((dirent->rec_len % 4) != 0) || - (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) - return 0; - } - return (offset == final_offset); -} - -errcode_t ext2fs_dir_iterate2(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data) -{ - struct dir_context ctx; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_check_directory(fs, dir); - if (retval) - return retval; - - ctx.dir = dir; - ctx.flags = flags; - if (block_buf) - ctx.buf = block_buf; - else { - retval = ext2fs_get_mem(fs->blocksize, &ctx.buf); - if (retval) - return retval; - } - ctx.func = func; - ctx.priv_data = priv_data; - ctx.errcode = 0; - retval = ext2fs_block_iterate2(fs, dir, 0, 0, - ext2fs_process_dir_block, &ctx); - if (!block_buf) - ext2fs_free_mem(&ctx.buf); - if (retval) - return retval; - return ctx.errcode; -} - -struct xlate { - int (*func)(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data); - void *real_private; -}; - -static int xlate_func(ext2_ino_t dir EXT2FS_ATTR((unused)), - int entry EXT2FS_ATTR((unused)), - struct ext2_dir_entry *dirent, int offset, - int blocksize, char *buf, void *priv_data) -{ - struct xlate *xl = (struct xlate *) priv_data; - - return (*xl->func)(dirent, offset, blocksize, buf, xl->real_private); -} - -extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data) -{ - struct xlate xl; - - xl.real_private = priv_data; - xl.func = func; - - return ext2fs_dir_iterate2(fs, dir, flags, block_buf, - xlate_func, &xl); -} - - -/* - * Helper function which is private to this module. Used by - * ext2fs_dir_iterate() and ext2fs_dblist_dir_iterate() - */ -int ext2fs_process_dir_block(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct dir_context *ctx = (struct dir_context *) priv_data; - unsigned int offset = 0; - unsigned int next_real_entry = 0; - int ret = 0; - int changed = 0; - int do_abort = 0; - int entry, size; - struct ext2_dir_entry *dirent; - - if (blockcnt < 0) - return 0; - - entry = blockcnt ? DIRENT_OTHER_FILE : DIRENT_DOT_FILE; - - ctx->errcode = ext2fs_read_dir_block(fs, *blocknr, ctx->buf); - if (ctx->errcode) - return BLOCK_ABORT; - - while (offset < fs->blocksize) { - dirent = (struct ext2_dir_entry *) (ctx->buf + offset); - if (((offset + dirent->rec_len) > fs->blocksize) || - (dirent->rec_len < 8) || - ((dirent->rec_len % 4) != 0) || - (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) { - ctx->errcode = EXT2_ET_DIR_CORRUPTED; - return BLOCK_ABORT; - } - if (!dirent->inode && - !(ctx->flags & DIRENT_FLAG_INCLUDE_EMPTY)) - goto next; - - ret = (ctx->func)(ctx->dir, - (next_real_entry > offset) ? - DIRENT_DELETED_FILE : entry, - dirent, offset, - fs->blocksize, ctx->buf, - ctx->priv_data); - if (entry < DIRENT_OTHER_FILE) - entry++; - - if (ret & DIRENT_CHANGED) - changed++; - if (ret & DIRENT_ABORT) { - do_abort++; - break; - } -next: - if (next_real_entry == offset) - next_real_entry += dirent->rec_len; - - if (ctx->flags & DIRENT_FLAG_INCLUDE_REMOVED) { - size = ((dirent->name_len & 0xFF) + 11) & ~3; - - if (dirent->rec_len != size) { - unsigned int final_offset; - - final_offset = offset + dirent->rec_len; - offset += size; - while (offset < final_offset && - !ext2fs_validate_entry(ctx->buf, - offset, - final_offset)) - offset += 4; - continue; - } - } - offset += dirent->rec_len; - } - - if (changed) { - ctx->errcode = ext2fs_write_dir_block(fs, *blocknr, ctx->buf); - if (ctx->errcode) - return BLOCK_ABORT; - } - if (do_abort) - return BLOCK_ABORT; - return 0; -} - diff --git a/e2fsprogs/ext2fs/dirblock.c b/e2fsprogs/ext2fs/dirblock.c deleted file mode 100644 index 5d3f6a1bc..000000000 --- a/e2fsprogs/ext2fs/dirblock.c +++ /dev/null @@ -1,133 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dirblock.c --- directory block routines. - * - * Copyright (C) 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, - void *buf, int flags EXT2FS_ATTR((unused))) -{ - errcode_t retval; - char *p, *end; - struct ext2_dir_entry *dirent; - unsigned int name_len, rec_len; -#if BB_BIG_ENDIAN - unsigned int do_swap; -#endif - - retval = io_channel_read_blk(fs->io, block, 1, buf); - if (retval) - return retval; -#if BB_BIG_ENDIAN - do_swap = (fs->flags & (EXT2_FLAG_SWAP_BYTES| - EXT2_FLAG_SWAP_BYTES_READ)) != 0; -#endif - p = (char *) buf; - end = (char *) buf + fs->blocksize; - while (p < end-8) { - dirent = (struct ext2_dir_entry *) p; -#if BB_BIG_ENDIAN - if (do_swap) { - dirent->inode = ext2fs_swab32(dirent->inode); - dirent->rec_len = ext2fs_swab16(dirent->rec_len); - dirent->name_len = ext2fs_swab16(dirent->name_len); - } -#endif - name_len = dirent->name_len; -#ifdef WORDS_BIGENDIAN - if (flags & EXT2_DIRBLOCK_V2_STRUCT) - dirent->name_len = ext2fs_swab16(dirent->name_len); -#endif - rec_len = dirent->rec_len; - if ((rec_len < 8) || (rec_len % 4)) { - rec_len = 8; - retval = EXT2_ET_DIR_CORRUPTED; - } - if (((name_len & 0xFF) + 8) > dirent->rec_len) - retval = EXT2_ET_DIR_CORRUPTED; - p += rec_len; - } - return retval; -} - -errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, - void *buf) -{ - return ext2fs_read_dir_block2(fs, block, buf, 0); -} - - -errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, - void *inbuf, int flags EXT2FS_ATTR((unused))) -{ -#if BB_BIG_ENDIAN - int do_swap = 0; - errcode_t retval; - char *p, *end; - char *buf = 0; - struct ext2_dir_entry *dirent; - - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - do_swap = 1; - -#ifndef WORDS_BIGENDIAN - if (!do_swap) - return io_channel_write_blk(fs->io, block, 1, (char *) inbuf); -#endif - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - memcpy(buf, inbuf, fs->blocksize); - p = buf; - end = buf + fs->blocksize; - while (p < end) { - dirent = (struct ext2_dir_entry *) p; - if ((dirent->rec_len < 8) || - (dirent->rec_len % 4)) { - ext2fs_free_mem(&buf); - return EXT2_ET_DIR_CORRUPTED; - } - p += dirent->rec_len; - if (do_swap) { - dirent->inode = ext2fs_swab32(dirent->inode); - dirent->rec_len = ext2fs_swab16(dirent->rec_len); - dirent->name_len = ext2fs_swab16(dirent->name_len); - } -#ifdef WORDS_BIGENDIAN - if (flags & EXT2_DIRBLOCK_V2_STRUCT) - dirent->name_len = ext2fs_swab16(dirent->name_len); -#endif - } - retval = io_channel_write_blk(fs->io, block, 1, buf); - ext2fs_free_mem(&buf); - return retval; -#else - return io_channel_write_blk(fs->io, block, 1, (char *) inbuf); -#endif -} - - -errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, - void *inbuf) -{ - return ext2fs_write_dir_block2(fs, block, inbuf, 0); -} - diff --git a/e2fsprogs/ext2fs/dirhash.c b/e2fsprogs/ext2fs/dirhash.c deleted file mode 100644 index ab3243fd7..000000000 --- a/e2fsprogs/ext2fs/dirhash.c +++ /dev/null @@ -1,234 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dirhash.c -- Calculate the hash of a directory entry - * - * Copyright (c) 2001 Daniel Phillips - * - * Copyright (c) 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Keyed 32-bit hash function using TEA in a Davis-Meyer function - * H0 = Key - * Hi = E Mi(Hi-1) + Hi-1 - * - * (see Applied Cryptography, 2nd edition, p448). - * - * Jeremy Fitzhardinge <jeremy@zip.com.au> 1998 - * - * This code is made available under the terms of the GPL - */ -#define DELTA 0x9E3779B9 - -static void TEA_transform(__u32 buf[4], __u32 const in[]) -{ - __u32 sum = 0; - __u32 b0 = buf[0], b1 = buf[1]; - __u32 a = in[0], b = in[1], c = in[2], d = in[3]; - int n = 16; - - do { - sum += DELTA; - b0 += ((b1 << 4)+a) ^ (b1+sum) ^ ((b1 >> 5)+b); - b1 += ((b0 << 4)+c) ^ (b0+sum) ^ ((b0 >> 5)+d); - } while(--n); - - buf[0] += b0; - buf[1] += b1; -} - -/* F, G and H are basic MD4 functions: selection, majority, parity */ -#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) -#define G(x, y, z) (((x) & (y)) + (((x) ^ (y)) & (z))) -#define H(x, y, z) ((x) ^ (y) ^ (z)) - -/* - * The generic round function. The application is so specific that - * we don't bother protecting all the arguments with parens, as is generally - * good macro practice, in favor of extra legibility. - * Rotation is separate from addition to prevent recomputation - */ -#define ROUND(f, a, b, c, d, x, s) \ - (a += f(b, c, d) + x, a = (a << s) | (a >> (32-s))) -#define K1 0 -#define K2 013240474631UL -#define K3 015666365641UL - -/* - * Basic cut-down MD4 transform. Returns only 32 bits of result. - */ -static void halfMD4Transform (__u32 buf[4], __u32 const in[]) -{ - __u32 a = buf[0], b = buf[1], c = buf[2], d = buf[3]; - - /* Round 1 */ - ROUND(F, a, b, c, d, in[0] + K1, 3); - ROUND(F, d, a, b, c, in[1] + K1, 7); - ROUND(F, c, d, a, b, in[2] + K1, 11); - ROUND(F, b, c, d, a, in[3] + K1, 19); - ROUND(F, a, b, c, d, in[4] + K1, 3); - ROUND(F, d, a, b, c, in[5] + K1, 7); - ROUND(F, c, d, a, b, in[6] + K1, 11); - ROUND(F, b, c, d, a, in[7] + K1, 19); - - /* Round 2 */ - ROUND(G, a, b, c, d, in[1] + K2, 3); - ROUND(G, d, a, b, c, in[3] + K2, 5); - ROUND(G, c, d, a, b, in[5] + K2, 9); - ROUND(G, b, c, d, a, in[7] + K2, 13); - ROUND(G, a, b, c, d, in[0] + K2, 3); - ROUND(G, d, a, b, c, in[2] + K2, 5); - ROUND(G, c, d, a, b, in[4] + K2, 9); - ROUND(G, b, c, d, a, in[6] + K2, 13); - - /* Round 3 */ - ROUND(H, a, b, c, d, in[3] + K3, 3); - ROUND(H, d, a, b, c, in[7] + K3, 9); - ROUND(H, c, d, a, b, in[2] + K3, 11); - ROUND(H, b, c, d, a, in[6] + K3, 15); - ROUND(H, a, b, c, d, in[1] + K3, 3); - ROUND(H, d, a, b, c, in[5] + K3, 9); - ROUND(H, c, d, a, b, in[0] + K3, 11); - ROUND(H, b, c, d, a, in[4] + K3, 15); - - buf[0] += a; - buf[1] += b; - buf[2] += c; - buf[3] += d; -} - -#undef ROUND -#undef F -#undef G -#undef H -#undef K1 -#undef K2 -#undef K3 - -/* The old legacy hash */ -static ext2_dirhash_t dx_hack_hash (const char *name, int len) -{ - __u32 hash0 = 0x12a3fe2d, hash1 = 0x37abe8f9; - while (len--) { - __u32 hash = hash1 + (hash0 ^ (*name++ * 7152373)); - - if (hash & 0x80000000) hash -= 0x7fffffff; - hash1 = hash0; - hash0 = hash; - } - return (hash0 << 1); -} - -static void str2hashbuf(const char *msg, int len, __u32 *buf, int num) -{ - __u32 pad, val; - int i; - - pad = (__u32)len | ((__u32)len << 8); - pad |= pad << 16; - - val = pad; - if (len > num*4) - len = num * 4; - for (i=0; i < len; i++) { - if ((i % 4) == 0) - val = pad; - val = msg[i] + (val << 8); - if ((i % 4) == 3) { - *buf++ = val; - val = pad; - num--; - } - } - if (--num >= 0) - *buf++ = val; - while (--num >= 0) - *buf++ = pad; -} - -/* - * Returns the hash of a filename. If len is 0 and name is NULL, then - * this function can be used to test whether or not a hash version is - * supported. - * - * The seed is an 4 longword (32 bits) "secret" which can be used to - * uniquify a hash. If the seed is all zero's, then some default seed - * may be used. - * - * A particular hash version specifies whether or not the seed is - * represented, and whether or not the returned hash is 32 bits or 64 - * bits. 32 bit hashes will return 0 for the minor hash. - */ -errcode_t ext2fs_dirhash(int version, const char *name, int len, - const __u32 *seed, - ext2_dirhash_t *ret_hash, - ext2_dirhash_t *ret_minor_hash) -{ - __u32 hash; - __u32 minor_hash = 0; - const char *p; - int i; - __u32 in[8], buf[4]; - - /* Initialize the default seed for the hash checksum functions */ - buf[0] = 0x67452301; - buf[1] = 0xefcdab89; - buf[2] = 0x98badcfe; - buf[3] = 0x10325476; - - /* Check to see if the seed is all zero's */ - if (seed) { - for (i=0; i < 4; i++) { - if (seed[i]) - break; - } - if (i < 4) - memcpy(buf, seed, sizeof(buf)); - } - - switch (version) { - case EXT2_HASH_LEGACY: - hash = dx_hack_hash(name, len); - break; - case EXT2_HASH_HALF_MD4: - p = name; - while (len > 0) { - str2hashbuf(p, len, in, 8); - halfMD4Transform(buf, in); - len -= 32; - p += 32; - } - minor_hash = buf[2]; - hash = buf[1]; - break; - case EXT2_HASH_TEA: - p = name; - while (len > 0) { - str2hashbuf(p, len, in, 4); - TEA_transform(buf, in); - len -= 16; - p += 16; - } - hash = buf[0]; - minor_hash = buf[1]; - break; - default: - *ret_hash = 0; - return EXT2_ET_DIRHASH_UNSUPP; - } - *ret_hash = hash & ~1; - if (ret_minor_hash) - *ret_minor_hash = minor_hash; - return 0; -} diff --git a/e2fsprogs/ext2fs/dupfs.c b/e2fsprogs/ext2fs/dupfs.c deleted file mode 100644 index 203c29fe3..000000000 --- a/e2fsprogs/ext2fs/dupfs.c +++ /dev/null @@ -1,97 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * dupfs.c --- duplicate a ext2 filesystem handle - * - * Copyright (C) 1997, 1998, 2001, 2003, 2005 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <time.h> -#include <string.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest) -{ - ext2_filsys fs; - errcode_t retval; - - EXT2_CHECK_MAGIC(src, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); - if (retval) - return retval; - - *fs = *src; - fs->device_name = 0; - fs->super = 0; - fs->orig_super = 0; - fs->group_desc = 0; - fs->inode_map = 0; - fs->block_map = 0; - fs->badblocks = 0; - fs->dblist = 0; - - io_channel_bumpcount(fs->io); - if (fs->icache) - fs->icache->refcount++; - - retval = ext2fs_get_mem(strlen(src->device_name)+1, &fs->device_name); - if (retval) - goto errout; - strcpy(fs->device_name, src->device_name); - - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->super); - if (retval) - goto errout; - memcpy(fs->super, src->super, SUPERBLOCK_SIZE); - - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->orig_super); - if (retval) - goto errout; - memcpy(fs->orig_super, src->orig_super, SUPERBLOCK_SIZE); - - retval = ext2fs_get_mem((size_t) fs->desc_blocks * fs->blocksize, - &fs->group_desc); - if (retval) - goto errout; - memcpy(fs->group_desc, src->group_desc, - (size_t) fs->desc_blocks * fs->blocksize); - - if (src->inode_map) { - retval = ext2fs_copy_bitmap(src->inode_map, &fs->inode_map); - if (retval) - goto errout; - } - if (src->block_map) { - retval = ext2fs_copy_bitmap(src->block_map, &fs->block_map); - if (retval) - goto errout; - } - if (src->badblocks) { - retval = ext2fs_badblocks_copy(src->badblocks, &fs->badblocks); - if (retval) - goto errout; - } - if (src->dblist) { - retval = ext2fs_copy_dblist(src->dblist, &fs->dblist); - if (retval) - goto errout; - } - *dest = fs; - return 0; -errout: - ext2fs_free(fs); - return retval; - -} - diff --git a/e2fsprogs/ext2fs/e2image.h b/e2fsprogs/ext2fs/e2image.h deleted file mode 100644 index 8d38ecc13..000000000 --- a/e2fsprogs/ext2fs/e2image.h +++ /dev/null @@ -1,52 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * e2image.h --- header file describing the ext2 image format - * - * Copyright (C) 2000 Theodore Ts'o. - * - * Note: this uses the POSIX IO interfaces, unlike most of the other - * functions in this library. So sue me. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - - -struct ext2_image_hdr { - __u32 magic_number; /* This must be EXT2_ET_MAGIC_E2IMAGE */ - char magic_descriptor[16]; /* "Ext2 Image 1.0", w/ null padding */ - char fs_hostname[64];/* Hostname of machine of image */ - char fs_netaddr[32]; /* Network address */ - __u32 fs_netaddr_type;/* 0 = IPV4, 1 = IPV6, etc. */ - __u32 fs_device; /* Device number of image */ - char fs_device_name[64]; /* Device name */ - char fs_uuid[16]; /* UUID of filesystem */ - __u32 fs_blocksize; /* Block size of the filesystem */ - __u32 fs_reserved[8]; - - __u32 image_device; /* Device number of image file */ - __u32 image_inode; /* Inode number of image file */ - __u32 image_time; /* Time of image creation */ - __u32 image_reserved[8]; - - __u32 offset_super; /* Byte offset of the sb and descriptors */ - __u32 offset_inode; /* Byte offset of the inode table */ - __u32 offset_inodemap; /* Byte offset of the inode bitmaps */ - __u32 offset_blockmap; /* Byte offset of the inode bitmaps */ - __u32 offset_reserved[8]; -}; - - - - - - - - - - - - - diff --git a/e2fsprogs/ext2fs/expanddir.c b/e2fsprogs/ext2fs/expanddir.c deleted file mode 100644 index 8a29ae584..000000000 --- a/e2fsprogs/ext2fs/expanddir.c +++ /dev/null @@ -1,127 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * expand.c --- expand an ext2fs directory - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct expand_dir_struct { - int done; - int newblocks; - errcode_t err; -}; - -static int expand_dir_proc(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct expand_dir_struct *es = (struct expand_dir_struct *) priv_data; - blk_t new_blk; - static blk_t last_blk = 0; - char *block; - errcode_t retval; - - if (*blocknr) { - last_blk = *blocknr; - return 0; - } - retval = ext2fs_new_block(fs, last_blk, 0, &new_blk); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - if (blockcnt > 0) { - retval = ext2fs_new_dir_block(fs, 0, 0, &block); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - es->done = 1; - retval = ext2fs_write_dir_block(fs, new_blk, block); - } else { - retval = ext2fs_get_mem(fs->blocksize, &block); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - memset(block, 0, fs->blocksize); - retval = io_channel_write_blk(fs->io, new_blk, 1, block); - } - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - ext2fs_free_mem(&block); - *blocknr = new_blk; - ext2fs_block_alloc_stats(fs, new_blk, +1); - es->newblocks++; - - if (es->done) - return (BLOCK_CHANGED | BLOCK_ABORT); - else - return BLOCK_CHANGED; -} - -errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir) -{ - errcode_t retval; - struct expand_dir_struct es; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - if (!fs->block_map) - return EXT2_ET_NO_BLOCK_BITMAP; - - retval = ext2fs_check_directory(fs, dir); - if (retval) - return retval; - - es.done = 0; - es.err = 0; - es.newblocks = 0; - - retval = ext2fs_block_iterate2(fs, dir, BLOCK_FLAG_APPEND, - 0, expand_dir_proc, &es); - - if (es.err) - return es.err; - if (!es.done) - return EXT2_ET_EXPAND_DIR_ERR; - - /* - * Update the size and block count fields in the inode. - */ - retval = ext2fs_read_inode(fs, dir, &inode); - if (retval) - return retval; - - inode.i_size += fs->blocksize; - inode.i_blocks += (fs->blocksize / 512) * es.newblocks; - - retval = ext2fs_write_inode(fs, dir, &inode); - if (retval) - return retval; - - return 0; -} diff --git a/e2fsprogs/ext2fs/ext2_err.h b/e2fsprogs/ext2fs/ext2_err.h deleted file mode 100644 index ead352810..000000000 --- a/e2fsprogs/ext2fs/ext2_err.h +++ /dev/null @@ -1,116 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2_err.h: - * This file is automatically generated; please do not edit it. - */ - -#define EXT2_ET_BASE (2133571328L) -#define EXT2_ET_MAGIC_EXT2FS_FILSYS (2133571329L) -#define EXT2_ET_MAGIC_BADBLOCKS_LIST (2133571330L) -#define EXT2_ET_MAGIC_BADBLOCKS_ITERATE (2133571331L) -#define EXT2_ET_MAGIC_INODE_SCAN (2133571332L) -#define EXT2_ET_MAGIC_IO_CHANNEL (2133571333L) -#define EXT2_ET_MAGIC_UNIX_IO_CHANNEL (2133571334L) -#define EXT2_ET_MAGIC_IO_MANAGER (2133571335L) -#define EXT2_ET_MAGIC_BLOCK_BITMAP (2133571336L) -#define EXT2_ET_MAGIC_INODE_BITMAP (2133571337L) -#define EXT2_ET_MAGIC_GENERIC_BITMAP (2133571338L) -#define EXT2_ET_MAGIC_TEST_IO_CHANNEL (2133571339L) -#define EXT2_ET_MAGIC_DBLIST (2133571340L) -#define EXT2_ET_MAGIC_ICOUNT (2133571341L) -#define EXT2_ET_MAGIC_PQ_IO_CHANNEL (2133571342L) -#define EXT2_ET_MAGIC_EXT2_FILE (2133571343L) -#define EXT2_ET_MAGIC_E2IMAGE (2133571344L) -#define EXT2_ET_MAGIC_INODE_IO_CHANNEL (2133571345L) -#define EXT2_ET_MAGIC_RESERVED_9 (2133571346L) -#define EXT2_ET_BAD_MAGIC (2133571347L) -#define EXT2_ET_REV_TOO_HIGH (2133571348L) -#define EXT2_ET_RO_FILSYS (2133571349L) -#define EXT2_ET_GDESC_READ (2133571350L) -#define EXT2_ET_GDESC_WRITE (2133571351L) -#define EXT2_ET_GDESC_BAD_BLOCK_MAP (2133571352L) -#define EXT2_ET_GDESC_BAD_INODE_MAP (2133571353L) -#define EXT2_ET_GDESC_BAD_INODE_TABLE (2133571354L) -#define EXT2_ET_INODE_BITMAP_WRITE (2133571355L) -#define EXT2_ET_INODE_BITMAP_READ (2133571356L) -#define EXT2_ET_BLOCK_BITMAP_WRITE (2133571357L) -#define EXT2_ET_BLOCK_BITMAP_READ (2133571358L) -#define EXT2_ET_INODE_TABLE_WRITE (2133571359L) -#define EXT2_ET_INODE_TABLE_READ (2133571360L) -#define EXT2_ET_NEXT_INODE_READ (2133571361L) -#define EXT2_ET_UNEXPECTED_BLOCK_SIZE (2133571362L) -#define EXT2_ET_DIR_CORRUPTED (2133571363L) -#define EXT2_ET_SHORT_READ (2133571364L) -#define EXT2_ET_SHORT_WRITE (2133571365L) -#define EXT2_ET_DIR_NO_SPACE (2133571366L) -#define EXT2_ET_NO_INODE_BITMAP (2133571367L) -#define EXT2_ET_NO_BLOCK_BITMAP (2133571368L) -#define EXT2_ET_BAD_INODE_NUM (2133571369L) -#define EXT2_ET_BAD_BLOCK_NUM (2133571370L) -#define EXT2_ET_EXPAND_DIR_ERR (2133571371L) -#define EXT2_ET_TOOSMALL (2133571372L) -#define EXT2_ET_BAD_BLOCK_MARK (2133571373L) -#define EXT2_ET_BAD_BLOCK_UNMARK (2133571374L) -#define EXT2_ET_BAD_BLOCK_TEST (2133571375L) -#define EXT2_ET_BAD_INODE_MARK (2133571376L) -#define EXT2_ET_BAD_INODE_UNMARK (2133571377L) -#define EXT2_ET_BAD_INODE_TEST (2133571378L) -#define EXT2_ET_FUDGE_BLOCK_BITMAP_END (2133571379L) -#define EXT2_ET_FUDGE_INODE_BITMAP_END (2133571380L) -#define EXT2_ET_BAD_IND_BLOCK (2133571381L) -#define EXT2_ET_BAD_DIND_BLOCK (2133571382L) -#define EXT2_ET_BAD_TIND_BLOCK (2133571383L) -#define EXT2_ET_NEQ_BLOCK_BITMAP (2133571384L) -#define EXT2_ET_NEQ_INODE_BITMAP (2133571385L) -#define EXT2_ET_BAD_DEVICE_NAME (2133571386L) -#define EXT2_ET_MISSING_INODE_TABLE (2133571387L) -#define EXT2_ET_CORRUPT_SUPERBLOCK (2133571388L) -#define EXT2_ET_BAD_GENERIC_MARK (2133571389L) -#define EXT2_ET_BAD_GENERIC_UNMARK (2133571390L) -#define EXT2_ET_BAD_GENERIC_TEST (2133571391L) -#define EXT2_ET_SYMLINK_LOOP (2133571392L) -#define EXT2_ET_CALLBACK_NOTHANDLED (2133571393L) -#define EXT2_ET_BAD_BLOCK_IN_INODE_TABLE (2133571394L) -#define EXT2_ET_UNSUPP_FEATURE (2133571395L) -#define EXT2_ET_RO_UNSUPP_FEATURE (2133571396L) -#define EXT2_ET_LLSEEK_FAILED (2133571397L) -#define EXT2_ET_NO_MEMORY (2133571398L) -#define EXT2_ET_INVALID_ARGUMENT (2133571399L) -#define EXT2_ET_BLOCK_ALLOC_FAIL (2133571400L) -#define EXT2_ET_INODE_ALLOC_FAIL (2133571401L) -#define EXT2_ET_NO_DIRECTORY (2133571402L) -#define EXT2_ET_TOO_MANY_REFS (2133571403L) -#define EXT2_ET_FILE_NOT_FOUND (2133571404L) -#define EXT2_ET_FILE_RO (2133571405L) -#define EXT2_ET_DB_NOT_FOUND (2133571406L) -#define EXT2_ET_DIR_EXISTS (2133571407L) -#define EXT2_ET_UNIMPLEMENTED (2133571408L) -#define EXT2_ET_CANCEL_REQUESTED (2133571409L) -#define EXT2_ET_FILE_TOO_BIG (2133571410L) -#define EXT2_ET_JOURNAL_NOT_BLOCK (2133571411L) -#define EXT2_ET_NO_JOURNAL_SB (2133571412L) -#define EXT2_ET_JOURNAL_TOO_SMALL (2133571413L) -#define EXT2_ET_JOURNAL_UNSUPP_VERSION (2133571414L) -#define EXT2_ET_LOAD_EXT_JOURNAL (2133571415L) -#define EXT2_ET_NO_JOURNAL (2133571416L) -#define EXT2_ET_DIRHASH_UNSUPP (2133571417L) -#define EXT2_ET_BAD_EA_BLOCK_NUM (2133571418L) -#define EXT2_ET_TOO_MANY_INODES (2133571419L) -#define EXT2_ET_NOT_IMAGE_FILE (2133571420L) -#define EXT2_ET_RES_GDT_BLOCKS (2133571421L) -#define EXT2_ET_RESIZE_INODE_CORRUPT (2133571422L) -#define EXT2_ET_SET_BMAP_NO_IND (2133571423L) - -#if 0 -extern const struct error_table et_ext2_error_table; -extern void initialize_ext2_error_table(void); - -/* For compatibility with Heimdal */ -extern void initialize_ext2_error_table_r(struct et_list **list); - -#define ERROR_TABLE_BASE_ext2 (2133571328L) - -/* for compatibility with older versions... */ -#define init_ext2_err_tbl initialize_ext2_error_table -#define ext2_err_base ERROR_TABLE_BASE_ext2 -#endif diff --git a/e2fsprogs/ext2fs/ext2_ext_attr.h b/e2fsprogs/ext2fs/ext2_ext_attr.h deleted file mode 100644 index cc91bb8d6..000000000 --- a/e2fsprogs/ext2fs/ext2_ext_attr.h +++ /dev/null @@ -1,53 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - File: linux/ext2_ext_attr.h - - On-disk format of extended attributes for the ext2 filesystem. - - (C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org> -*/ - -/* Magic value in attribute blocks */ -#define EXT2_EXT_ATTR_MAGIC_v1 0xEA010000 -#define EXT2_EXT_ATTR_MAGIC 0xEA020000 - -/* Maximum number of references to one attribute block */ -#define EXT2_EXT_ATTR_REFCOUNT_MAX 1024 - -struct ext2_ext_attr_header { - __u32 h_magic; /* magic number for identification */ - __u32 h_refcount; /* reference count */ - __u32 h_blocks; /* number of disk blocks used */ - __u32 h_hash; /* hash value of all attributes */ - __u32 h_reserved[4]; /* zero right now */ -}; - -struct ext2_ext_attr_entry { - __u8 e_name_len; /* length of name */ - __u8 e_name_index; /* attribute name index */ - __u16 e_value_offs; /* offset in disk block of value */ - __u32 e_value_block; /* disk block attribute is stored on (n/i) */ - __u32 e_value_size; /* size of attribute value */ - __u32 e_hash; /* hash value of name and value */ -}; - -#define EXT2_EXT_ATTR_PAD_BITS 2 -#define EXT2_EXT_ATTR_PAD (1<<EXT2_EXT_ATTR_PAD_BITS) -#define EXT2_EXT_ATTR_ROUND (EXT2_EXT_ATTR_PAD-1) -#define EXT2_EXT_ATTR_LEN(name_len) \ - (((name_len) + EXT2_EXT_ATTR_ROUND + \ - sizeof(struct ext2_ext_attr_entry)) & ~EXT2_EXT_ATTR_ROUND) -#define EXT2_EXT_ATTR_NEXT(entry) \ - ( (struct ext2_ext_attr_entry *)( \ - (char *)(entry) + EXT2_EXT_ATTR_LEN((entry)->e_name_len)) ) -#define EXT2_EXT_ATTR_SIZE(size) \ - (((size) + EXT2_EXT_ATTR_ROUND) & ~EXT2_EXT_ATTR_ROUND) -#define EXT2_EXT_IS_LAST_ENTRY(entry) (*((__u32 *)(entry)) == 0UL) -#define EXT2_EXT_ATTR_NAME(entry) \ - (((char *) (entry)) + sizeof(struct ext2_ext_attr_entry)) -#define EXT2_XATTR_LEN(name_len) \ - (((name_len) + EXT2_EXT_ATTR_ROUND + \ - sizeof(struct ext2_xattr_entry)) & ~EXT2_EXT_ATTR_ROUND) -#define EXT2_XATTR_SIZE(size) \ - (((size) + EXT2_EXT_ATTR_ROUND) & ~EXT2_EXT_ATTR_ROUND) - diff --git a/e2fsprogs/ext2fs/ext2_fs.h b/e2fsprogs/ext2fs/ext2_fs.h deleted file mode 100644 index cb49d7a60..000000000 --- a/e2fsprogs/ext2fs/ext2_fs.h +++ /dev/null @@ -1,570 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * linux/include/linux/ext2_fs.h - * - * Copyright (C) 1992, 1993, 1994, 1995 - * Remy Card (card@masi.ibp.fr) - * Laboratoire MASI - Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * from - * - * linux/include/linux/minix_fs.h - * - * Copyright (C) 1991, 1992 Linus Torvalds - */ - -#ifndef _LINUX_EXT2_FS_H -#define _LINUX_EXT2_FS_H - -#include "ext2_types.h" /* Changed from linux/types.h */ - -/* - * Special inode numbers - */ -#define EXT2_BAD_INO 1 /* Bad blocks inode */ -#define EXT2_ROOT_INO 2 /* Root inode */ -#define EXT2_ACL_IDX_INO 3 /* ACL inode */ -#define EXT2_ACL_DATA_INO 4 /* ACL inode */ -#define EXT2_BOOT_LOADER_INO 5 /* Boot loader inode */ -#define EXT2_UNDEL_DIR_INO 6 /* Undelete directory inode */ -#define EXT2_RESIZE_INO 7 /* Reserved group descriptors inode */ -#define EXT2_JOURNAL_INO 8 /* Journal inode */ - -/* First non-reserved inode for old ext2 filesystems */ -#define EXT2_GOOD_OLD_FIRST_INO 11 - -/* - * The second extended file system magic number - */ -#define EXT2_SUPER_MAGIC 0xEF53 - -/* Assume that user mode programs are passing in an ext2fs superblock, not - * a kernel struct super_block. This will allow us to call the feature-test - * macros from user land. */ -#define EXT2_SB(sb) (sb) - -/* - * Maximal count of links to a file - */ -#define EXT2_LINK_MAX 32000 - -/* - * Macro-instructions used to manage several block sizes - */ -#define EXT2_MIN_BLOCK_LOG_SIZE 10 /* 1024 */ -#define EXT2_MAX_BLOCK_LOG_SIZE 16 /* 65536 */ -#define EXT2_MIN_BLOCK_SIZE (1 << EXT2_MIN_BLOCK_LOG_SIZE) -#define EXT2_MAX_BLOCK_SIZE (1 << EXT2_MAX_BLOCK_LOG_SIZE) -#define EXT2_BLOCK_SIZE(s) (EXT2_MIN_BLOCK_SIZE << (s)->s_log_block_size) -#define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10) -#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ - EXT2_GOOD_OLD_INODE_SIZE : (s)->s_inode_size) -#define EXT2_FIRST_INO(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ - EXT2_GOOD_OLD_FIRST_INO : (s)->s_first_ino) -#define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof(__u32)) - -/* - * Macro-instructions used to manage fragments - */ -#define EXT2_MIN_FRAG_SIZE EXT2_MIN_BLOCK_SIZE -#define EXT2_MAX_FRAG_SIZE EXT2_MAX_BLOCK_SIZE -#define EXT2_MIN_FRAG_LOG_SIZE EXT2_MIN_BLOCK_LOG_SIZE -# define EXT2_FRAG_SIZE(s) (EXT2_MIN_FRAG_SIZE << (s)->s_log_frag_size) -# define EXT2_FRAGS_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / EXT2_FRAG_SIZE(s)) - -/* - * ACL structures - */ -struct ext2_acl_header /* Header of Access Control Lists */ -{ - __u32 aclh_size; - __u32 aclh_file_count; - __u32 aclh_acle_count; - __u32 aclh_first_acle; -}; - -struct ext2_acl_entry /* Access Control List Entry */ -{ - __u32 acle_size; - __u16 acle_perms; /* Access permissions */ - __u16 acle_type; /* Type of entry */ - __u16 acle_tag; /* User or group identity */ - __u16 acle_pad1; - __u32 acle_next; /* Pointer on next entry for the */ - /* same inode or on next free entry */ -}; - -/* - * Structure of a blocks group descriptor - */ -struct ext2_group_desc -{ - __u32 bg_block_bitmap; /* Blocks bitmap block */ - __u32 bg_inode_bitmap; /* Inodes bitmap block */ - __u32 bg_inode_table; /* Inodes table block */ - __u16 bg_free_blocks_count; /* Free blocks count */ - __u16 bg_free_inodes_count; /* Free inodes count */ - __u16 bg_used_dirs_count; /* Directories count */ - __u16 bg_pad; - __u32 bg_reserved[3]; -}; - -/* - * Data structures used by the directory indexing feature - * - * Note: all of the multibyte integer fields are little endian. - */ - -/* - * Note: dx_root_info is laid out so that if it should somehow get - * overlaid by a dirent the two low bits of the hash version will be - * zero. Therefore, the hash version mod 4 should never be 0. - * Sincerely, the paranoia department. - */ -struct ext2_dx_root_info { - __u32 reserved_zero; - __u8 hash_version; /* 0 now, 1 at release */ - __u8 info_length; /* 8 */ - __u8 indirect_levels; - __u8 unused_flags; -}; - -#define EXT2_HASH_LEGACY 0 -#define EXT2_HASH_HALF_MD4 1 -#define EXT2_HASH_TEA 2 - -#define EXT2_HASH_FLAG_INCOMPAT 0x1 - -struct ext2_dx_entry { - __u32 hash; - __u32 block; -}; - -struct ext2_dx_countlimit { - __u16 limit; - __u16 count; -}; - - -/* - * Macro-instructions used to manage group descriptors - */ -#define EXT2_BLOCKS_PER_GROUP(s) (EXT2_SB(s)->s_blocks_per_group) -#define EXT2_INODES_PER_GROUP(s) (EXT2_SB(s)->s_inodes_per_group) -#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s)) -/* limits imposed by 16-bit value gd_free_{blocks,inode}_count */ -#define EXT2_MAX_BLOCKS_PER_GROUP(s) ((1 << 16) - 8) -#define EXT2_MAX_INODES_PER_GROUP(s) ((1 << 16) - EXT2_INODES_PER_BLOCK(s)) -#define EXT2_DESC_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc)) - -/* - * Constants relative to the data blocks - */ -#define EXT2_NDIR_BLOCKS 12 -#define EXT2_IND_BLOCK EXT2_NDIR_BLOCKS -#define EXT2_DIND_BLOCK (EXT2_IND_BLOCK + 1) -#define EXT2_TIND_BLOCK (EXT2_DIND_BLOCK + 1) -#define EXT2_N_BLOCKS (EXT2_TIND_BLOCK + 1) - -/* - * Inode flags - */ -#define EXT2_SECRM_FL 0x00000001 /* Secure deletion */ -#define EXT2_UNRM_FL 0x00000002 /* Undelete */ -#define EXT2_COMPR_FL 0x00000004 /* Compress file */ -#define EXT2_SYNC_FL 0x00000008 /* Synchronous updates */ -#define EXT2_IMMUTABLE_FL 0x00000010 /* Immutable file */ -#define EXT2_APPEND_FL 0x00000020 /* writes to file may only append */ -#define EXT2_NODUMP_FL 0x00000040 /* do not dump file */ -#define EXT2_NOATIME_FL 0x00000080 /* do not update atime */ -/* Reserved for compression usage... */ -#define EXT2_DIRTY_FL 0x00000100 -#define EXT2_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */ -#define EXT2_NOCOMPR_FL 0x00000400 /* Access raw compressed data */ -#define EXT2_ECOMPR_FL 0x00000800 /* Compression error */ -/* End compression flags --- maybe not all used */ -#define EXT2_BTREE_FL 0x00001000 /* btree format dir */ -#define EXT2_INDEX_FL 0x00001000 /* hash-indexed directory */ -#define EXT2_IMAGIC_FL 0x00002000 -#define EXT3_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */ -#define EXT2_NOTAIL_FL 0x00008000 /* file tail should not be merged */ -#define EXT2_DIRSYNC_FL 0x00010000 /* Synchronous directory modifications */ -#define EXT2_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ -#define EXT3_EXTENTS_FL 0x00080000 /* Inode uses extents */ -#define EXT2_RESERVED_FL 0x80000000 /* reserved for ext2 lib */ - -#define EXT2_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */ -#define EXT2_FL_USER_MODIFIABLE 0x000080FF /* User modifiable flags */ - -/* - * ioctl commands - */ -#define EXT2_IOC_GETFLAGS _IOR('f', 1, long) -#define EXT2_IOC_SETFLAGS _IOW('f', 2, long) -#define EXT2_IOC_GETVERSION _IOR('v', 1, long) -#define EXT2_IOC_SETVERSION _IOW('v', 2, long) - -/* - * Structure of an inode on the disk - */ -struct ext2_inode { - __u16 i_mode; /* File mode */ - __u16 i_uid; /* Low 16 bits of Owner Uid */ - __u32 i_size; /* Size in bytes */ - __u32 i_atime; /* Access time */ - __u32 i_ctime; /* Creation time */ - __u32 i_mtime; /* Modification time */ - __u32 i_dtime; /* Deletion Time */ - __u16 i_gid; /* Low 16 bits of Group Id */ - __u16 i_links_count; /* Links count */ - __u32 i_blocks; /* Blocks count */ - __u32 i_flags; /* File flags */ - union { - struct { - __u32 l_i_reserved1; - } linux1; - struct { - __u32 h_i_translator; - } hurd1; - struct { - __u32 m_i_reserved1; - } masix1; - } osd1; /* OS dependent 1 */ - __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ - __u32 i_generation; /* File version (for NFS) */ - __u32 i_file_acl; /* File ACL */ - __u32 i_dir_acl; /* Directory ACL */ - __u32 i_faddr; /* Fragment address */ - union { - struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ - __u16 i_pad1; - __u16 l_i_uid_high; /* these 2 fields */ - __u16 l_i_gid_high; /* were reserved2[0] */ - __u32 l_i_reserved2; - } linux2; - struct { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ - __u16 h_i_mode_high; - __u16 h_i_uid_high; - __u16 h_i_gid_high; - __u32 h_i_author; - } hurd2; - struct { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ - __u16 m_pad1; - __u32 m_i_reserved2[2]; - } masix2; - } osd2; /* OS dependent 2 */ -}; - -/* - * Permanent part of an large inode on the disk - */ -struct ext2_inode_large { - __u16 i_mode; /* File mode */ - __u16 i_uid; /* Low 16 bits of Owner Uid */ - __u32 i_size; /* Size in bytes */ - __u32 i_atime; /* Access time */ - __u32 i_ctime; /* Creation time */ - __u32 i_mtime; /* Modification time */ - __u32 i_dtime; /* Deletion Time */ - __u16 i_gid; /* Low 16 bits of Group Id */ - __u16 i_links_count; /* Links count */ - __u32 i_blocks; /* Blocks count */ - __u32 i_flags; /* File flags */ - union { - struct { - __u32 l_i_reserved1; - } linux1; - struct { - __u32 h_i_translator; - } hurd1; - struct { - __u32 m_i_reserved1; - } masix1; - } osd1; /* OS dependent 1 */ - __u32 i_block[EXT2_N_BLOCKS];/* Pointers to blocks */ - __u32 i_generation; /* File version (for NFS) */ - __u32 i_file_acl; /* File ACL */ - __u32 i_dir_acl; /* Directory ACL */ - __u32 i_faddr; /* Fragment address */ - union { - struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ - __u16 i_pad1; - __u16 l_i_uid_high; /* these 2 fields */ - __u16 l_i_gid_high; /* were reserved2[0] */ - __u32 l_i_reserved2; - } linux2; - struct { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ - __u16 h_i_mode_high; - __u16 h_i_uid_high; - __u16 h_i_gid_high; - __u32 h_i_author; - } hurd2; - struct { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ - __u16 m_pad1; - __u32 m_i_reserved2[2]; - } masix2; - } osd2; /* OS dependent 2 */ - __u16 i_extra_isize; - __u16 i_pad1; -}; - -#define i_size_high i_dir_acl - -/* - * File system states - */ -#define EXT2_VALID_FS 0x0001 /* Unmounted cleanly */ -#define EXT2_ERROR_FS 0x0002 /* Errors detected */ - -/* - * Mount flags - */ -#define EXT2_MOUNT_CHECK 0x0001 /* Do mount-time checks */ -#define EXT2_MOUNT_GRPID 0x0004 /* Create files with directory's group */ -#define EXT2_MOUNT_DEBUG 0x0008 /* Some debugging messages */ -#define EXT2_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */ -#define EXT2_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */ -#define EXT2_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */ -#define EXT2_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */ -#define EXT2_MOUNT_NO_UID32 0x0200 /* Disable 32-bit UIDs */ - -#define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt -#define set_opt(o, opt) o |= EXT2_MOUNT_##opt -#define test_opt(sb, opt) (EXT2_SB(sb)->s_mount_opt & \ - EXT2_MOUNT_##opt) -/* - * Maximal mount counts between two filesystem checks - */ -#define EXT2_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */ -#define EXT2_DFL_CHECKINTERVAL 0 /* Don't use interval check */ - -/* - * Behaviour when detecting errors - */ -#define EXT2_ERRORS_CONTINUE 1 /* Continue execution */ -#define EXT2_ERRORS_RO 2 /* Remount fs read-only */ -#define EXT2_ERRORS_PANIC 3 /* Panic */ -#define EXT2_ERRORS_DEFAULT EXT2_ERRORS_CONTINUE - -/* - * Structure of the super block - */ -struct ext2_super_block { - __u32 s_inodes_count; /* Inodes count */ - __u32 s_blocks_count; /* Blocks count */ - __u32 s_r_blocks_count; /* Reserved blocks count */ - __u32 s_free_blocks_count; /* Free blocks count */ - __u32 s_free_inodes_count; /* Free inodes count */ - __u32 s_first_data_block; /* First Data Block */ - __u32 s_log_block_size; /* Block size */ - __s32 s_log_frag_size; /* Fragment size */ - __u32 s_blocks_per_group; /* # Blocks per group */ - __u32 s_frags_per_group; /* # Fragments per group */ - __u32 s_inodes_per_group; /* # Inodes per group */ - __u32 s_mtime; /* Mount time */ - __u32 s_wtime; /* Write time */ - __u16 s_mnt_count; /* Mount count */ - __s16 s_max_mnt_count; /* Maximal mount count */ - __u16 s_magic; /* Magic signature */ - __u16 s_state; /* File system state */ - __u16 s_errors; /* Behaviour when detecting errors */ - __u16 s_minor_rev_level; /* minor revision level */ - __u32 s_lastcheck; /* time of last check */ - __u32 s_checkinterval; /* max. time between checks */ - __u32 s_creator_os; /* OS */ - __u32 s_rev_level; /* Revision level */ - __u16 s_def_resuid; /* Default uid for reserved blocks */ - __u16 s_def_resgid; /* Default gid for reserved blocks */ - /* - * These fields are for EXT2_DYNAMIC_REV superblocks only. - * - * Note: the difference between the compatible feature set and - * the incompatible feature set is that if there is a bit set - * in the incompatible feature set that the kernel doesn't - * know about, it should refuse to mount the filesystem. - * - * e2fsck's requirements are more strict; if it doesn't know - * about a feature in either the compatible or incompatible - * feature set, it must abort and not try to meddle with - * things it doesn't understand... - */ - __u32 s_first_ino; /* First non-reserved inode */ - __u16 s_inode_size; /* size of inode structure */ - __u16 s_block_group_nr; /* block group # of this superblock */ - __u32 s_feature_compat; /* compatible feature set */ - __u32 s_feature_incompat; /* incompatible feature set */ - __u32 s_feature_ro_compat; /* readonly-compatible feature set */ - __u8 s_uuid[16]; /* 128-bit uuid for volume */ - char s_volume_name[16]; /* volume name */ - char s_last_mounted[64]; /* directory where last mounted */ - __u32 s_algorithm_usage_bitmap; /* For compression */ - /* - * Performance hints. Directory preallocation should only - * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on. - */ - __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ - __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ - __u16 s_reserved_gdt_blocks; /* Per group table for online growth */ - /* - * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set. - */ - __u8 s_journal_uuid[16]; /* uuid of journal superblock */ - __u32 s_journal_inum; /* inode number of journal file */ - __u32 s_journal_dev; /* device number of journal file */ - __u32 s_last_orphan; /* start of list of inodes to delete */ - __u32 s_hash_seed[4]; /* HTREE hash seed */ - __u8 s_def_hash_version; /* Default hash version to use */ - __u8 s_jnl_backup_type; /* Default type of journal backup */ - __u16 s_reserved_word_pad; - __u32 s_default_mount_opts; - __u32 s_first_meta_bg; /* First metablock group */ - __u32 s_mkfs_time; /* When the filesystem was created */ - __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ - __u32 s_reserved[172]; /* Padding to the end of the block */ -}; - -/* - * Codes for operating systems - */ -#define EXT2_OS_LINUX 0 -#define EXT2_OS_HURD 1 -#define EXT2_OS_MASIX 2 -#define EXT2_OS_FREEBSD 3 -#define EXT2_OS_LITES 4 - -/* - * Revision levels - */ -#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ -#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ - -#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV -#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV - -#define EXT2_GOOD_OLD_INODE_SIZE 128 - -/* - * Journal inode backup types - */ -#define EXT3_JNL_BACKUP_BLOCKS 1 - -/* - * Feature set definitions - */ - -#define EXT2_HAS_COMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_feature_compat & (mask) ) -#define EXT2_HAS_RO_COMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_feature_ro_compat & (mask) ) -#define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \ - ( EXT2_SB(sb)->s_feature_incompat & (mask) ) - -#define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001 -#define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002 -#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 -#define EXT2_FEATURE_COMPAT_EXT_ATTR 0x0008 -#define EXT2_FEATURE_COMPAT_RESIZE_INODE 0x0010 -#define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020 - -#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 -#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 -/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 not used */ - -#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001 -#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 -#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */ -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */ -#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 -#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 - - -#define EXT2_FEATURE_COMPAT_SUPP 0 -#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE) -#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ - EXT2_FEATURE_RO_COMPAT_BTREE_DIR) - -/* - * Default values for user and/or group using reserved blocks - */ -#define EXT2_DEF_RESUID 0 -#define EXT2_DEF_RESGID 0 - -/* - * Default mount options - */ -#define EXT2_DEFM_DEBUG 0x0001 -#define EXT2_DEFM_BSDGROUPS 0x0002 -#define EXT2_DEFM_XATTR_USER 0x0004 -#define EXT2_DEFM_ACL 0x0008 -#define EXT2_DEFM_UID16 0x0010 -#define EXT3_DEFM_JMODE 0x0060 -#define EXT3_DEFM_JMODE_DATA 0x0020 -#define EXT3_DEFM_JMODE_ORDERED 0x0040 -#define EXT3_DEFM_JMODE_WBACK 0x0060 - -/* - * Structure of a directory entry - */ -#define EXT2_NAME_LEN 255 - -struct ext2_dir_entry { - __u32 inode; /* Inode number */ - __u16 rec_len; /* Directory entry length */ - __u16 name_len; /* Name length */ - char name[EXT2_NAME_LEN]; /* File name */ -}; - -/* - * The new version of the directory entry. Since EXT2 structures are - * stored in intel byte order, and the name_len field could never be - * bigger than 255 chars, it's safe to reclaim the extra byte for the - * file_type field. - */ -struct ext2_dir_entry_2 { - __u32 inode; /* Inode number */ - __u16 rec_len; /* Directory entry length */ - __u8 name_len; /* Name length */ - __u8 file_type; - char name[EXT2_NAME_LEN]; /* File name */ -}; - -/* - * Ext2 directory file types. Only the low 3 bits are used. The - * other bits are reserved for now. - */ -#define EXT2_FT_UNKNOWN 0 -#define EXT2_FT_REG_FILE 1 -#define EXT2_FT_DIR 2 -#define EXT2_FT_CHRDEV 3 -#define EXT2_FT_BLKDEV 4 -#define EXT2_FT_FIFO 5 -#define EXT2_FT_SOCK 6 -#define EXT2_FT_SYMLINK 7 - -#define EXT2_FT_MAX 8 - -/* - * EXT2_DIR_PAD defines the directory entries boundaries - * - * NOTE: It must be a multiple of 4 - */ -#define EXT2_DIR_PAD 4 -#define EXT2_DIR_ROUND (EXT2_DIR_PAD - 1) -#define EXT2_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT2_DIR_ROUND) & \ - ~EXT2_DIR_ROUND) - -#endif /* _LINUX_EXT2_FS_H */ diff --git a/e2fsprogs/ext2fs/ext2_io.h b/e2fsprogs/ext2fs/ext2_io.h deleted file mode 100644 index e6c9630e2..000000000 --- a/e2fsprogs/ext2fs/ext2_io.h +++ /dev/null @@ -1,114 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * io.h --- the I/O manager abstraction - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#ifndef _EXT2FS_EXT2_IO_H -#define _EXT2FS_EXT2_IO_H - -/* - * ext2_loff_t is defined here since unix_io.c needs it. - */ -#if defined(__GNUC__) || defined(HAS_LONG_LONG) -typedef long long ext2_loff_t; -#else -typedef long ext2_loff_t; -#endif - -/* llseek.c */ -/* ext2_loff_t ext2fs_llseek (int, ext2_loff_t, int); */ -#ifdef CONFIG_LFS -# define ext2fs_llseek lseek64 -#else -# define ext2fs_llseek lseek -#endif - -typedef struct struct_io_manager *io_manager; -typedef struct struct_io_channel *io_channel; - -#define CHANNEL_FLAGS_WRITETHROUGH 0x01 - -struct struct_io_channel { - errcode_t magic; - io_manager manager; - char *name; - int block_size; - errcode_t (*read_error)(io_channel channel, - unsigned long block, - int count, - void *data, - size_t size, - int actual_bytes_read, - errcode_t error); - errcode_t (*write_error)(io_channel channel, - unsigned long block, - int count, - const void *data, - size_t size, - int actual_bytes_written, - errcode_t error); - int refcount; - int flags; - int reserved[14]; - void *private_data; - void *app_data; -}; - -struct struct_io_manager { - errcode_t magic; - const char *name; - errcode_t (*open)(const char *name, int flags, io_channel *channel); - errcode_t (*close)(io_channel channel); - errcode_t (*set_blksize)(io_channel channel, int blksize); - errcode_t (*read_blk)(io_channel channel, unsigned long block, - int count, void *data); - errcode_t (*write_blk)(io_channel channel, unsigned long block, - int count, const void *data); - errcode_t (*flush)(io_channel channel); - errcode_t (*write_byte)(io_channel channel, unsigned long offset, - int count, const void *data); - errcode_t (*set_option)(io_channel channel, const char *option, - const char *arg); - int reserved[14]; -}; - -#define IO_FLAG_RW 1 - -/* - * Convenience functions.... - */ -#define io_channel_close(c) ((c)->manager->close((c))) -#define io_channel_set_blksize(c,s) ((c)->manager->set_blksize((c),s)) -#define io_channel_read_blk(c,b,n,d) ((c)->manager->read_blk((c),b,n,d)) -#define io_channel_write_blk(c,b,n,d) ((c)->manager->write_blk((c),b,n,d)) -#define io_channel_flush(c) ((c)->manager->flush((c))) -#define io_channel_bumpcount(c) ((c)->refcount++) - -/* io_manager.c */ -extern errcode_t io_channel_set_options(io_channel channel, - const char *options); -extern errcode_t io_channel_write_byte(io_channel channel, - unsigned long offset, - int count, const void *data); - -/* unix_io.c */ -extern io_manager unix_io_manager; - -/* test_io.c */ -extern io_manager test_io_manager, test_io_backing_manager; -extern void (*test_io_cb_read_blk) - (unsigned long block, int count, errcode_t err); -extern void (*test_io_cb_write_blk) - (unsigned long block, int count, errcode_t err); -extern void (*test_io_cb_set_blksize) - (int blksize, errcode_t err); - -#endif /* _EXT2FS_EXT2_IO_H */ - diff --git a/e2fsprogs/ext2fs/ext2_types.h b/e2fsprogs/ext2fs/ext2_types.h deleted file mode 100644 index 2c1196b8b..000000000 --- a/e2fsprogs/ext2fs/ext2_types.h +++ /dev/null @@ -1,2 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#include <linux/types.h> diff --git a/e2fsprogs/ext2fs/ext2fs.h b/e2fsprogs/ext2fs/ext2fs.h deleted file mode 100644 index 133fb1f1b..000000000 --- a/e2fsprogs/ext2fs/ext2fs.h +++ /dev/null @@ -1,923 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2fs.h --- ext2fs - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#ifndef _EXT2FS_EXT2FS_H -#define _EXT2FS_EXT2FS_H - - -#define EXT2FS_ATTR(x) - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Where the master copy of the superblock is located, and how big - * superblocks are supposed to be. We define SUPERBLOCK_SIZE because - * the size of the superblock structure is not necessarily trustworthy - * (some versions have the padding set up so that the superblock is - * 1032 bytes long). - */ -#define SUPERBLOCK_OFFSET 1024 -#define SUPERBLOCK_SIZE 1024 - -/* - * The last ext2fs revision level that this version of the library is - * able to support. - */ -#define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include <stdio.h> -#include <stdlib.h> - -#include "ext2_types.h" -#include "ext2_fs.h" - -typedef __u32 ext2_ino_t; -typedef __u32 blk_t; -typedef __u32 dgrp_t; -typedef __u32 ext2_off_t; -typedef __s64 e2_blkcnt_t; -typedef __u32 ext2_dirhash_t; - -#include "ext2_io.h" -#include "ext2_err.h" - -typedef struct struct_ext2_filsys *ext2_filsys; - -struct ext2fs_struct_generic_bitmap { - errcode_t magic; - ext2_filsys fs; - __u32 start, end; - __u32 real_end; - char * description; - char * bitmap; - errcode_t base_error_code; - __u32 reserved[7]; -}; - -#define EXT2FS_MARK_ERROR 0 -#define EXT2FS_UNMARK_ERROR 1 -#define EXT2FS_TEST_ERROR 2 - -typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; -typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; -typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; - -#define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) - -/* - * badblocks list definitions - */ - -typedef struct ext2_struct_u32_list *ext2_badblocks_list; -typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; - -typedef struct ext2_struct_u32_list *ext2_u32_list; -typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; - -/* old */ -typedef struct ext2_struct_u32_list *badblocks_list; -typedef struct ext2_struct_u32_iterate *badblocks_iterate; - -#define BADBLOCKS_FLAG_DIRTY 1 - -/* - * ext2_dblist structure and abstractions (see dblist.c) - */ -struct ext2_db_entry { - ext2_ino_t ino; - blk_t blk; - int blockcnt; -}; - -typedef struct ext2_struct_dblist *ext2_dblist; - -#define DBLIST_ABORT 1 - -/* - * ext2_fileio definitions - */ - -#define EXT2_FILE_WRITE 0x0001 -#define EXT2_FILE_CREATE 0x0002 - -#define EXT2_FILE_MASK 0x00FF - -#define EXT2_FILE_BUF_DIRTY 0x4000 -#define EXT2_FILE_BUF_VALID 0x2000 - -typedef struct ext2_file *ext2_file_t; - -#define EXT2_SEEK_SET 0 -#define EXT2_SEEK_CUR 1 -#define EXT2_SEEK_END 2 - -/* - * Flags for the ext2_filsys structure and for ext2fs_open() - */ -#define EXT2_FLAG_RW 0x01 -#define EXT2_FLAG_CHANGED 0x02 -#define EXT2_FLAG_DIRTY 0x04 -#define EXT2_FLAG_VALID 0x08 -#define EXT2_FLAG_IB_DIRTY 0x10 -#define EXT2_FLAG_BB_DIRTY 0x20 -#define EXT2_FLAG_SWAP_BYTES 0x40 -#define EXT2_FLAG_SWAP_BYTES_READ 0x80 -#define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 -#define EXT2_FLAG_MASTER_SB_ONLY 0x200 -#define EXT2_FLAG_FORCE 0x400 -#define EXT2_FLAG_SUPER_ONLY 0x800 -#define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 -#define EXT2_FLAG_IMAGE_FILE 0x2000 - -/* - * Special flag in the ext2 inode i_flag field that means that this is - * a new inode. (So that ext2_write_inode() can clear extra fields.) - */ -#define EXT2_NEW_INODE_FL 0x80000000 - -/* - * Flags for mkjournal - * - * EXT2_MKJOURNAL_V1_SUPER Make a (deprecated) V1 journal superblock - */ -#define EXT2_MKJOURNAL_V1_SUPER 0x0000001 - -struct struct_ext2_filsys { - errcode_t magic; - io_channel io; - int flags; - char * device_name; - struct ext2_super_block * super; - unsigned int blocksize; - int fragsize; - dgrp_t group_desc_count; - unsigned long desc_blocks; - struct ext2_group_desc * group_desc; - int inode_blocks_per_group; - ext2fs_inode_bitmap inode_map; - ext2fs_block_bitmap block_map; - errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); - errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); - errcode_t (*write_bitmaps)(ext2_filsys fs); - errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode); - errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode); - ext2_badblocks_list badblocks; - ext2_dblist dblist; - __u32 stride; /* for mke2fs */ - struct ext2_super_block * orig_super; - struct ext2_image_hdr * image_header; - __u32 umask; - /* - * Reserved for future expansion - */ - __u32 reserved[8]; - - /* - * Reserved for the use of the calling application. - */ - void * priv_data; - - /* - * Inode cache - */ - struct ext2_inode_cache *icache; - io_channel image_io; -}; - -#include "bitops.h" - -/* - * Return flags for the block iterator functions - */ -#define BLOCK_CHANGED 1 -#define BLOCK_ABORT 2 -#define BLOCK_ERROR 4 - -/* - * Block interate flags - * - * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator - * function should be called on blocks where the block number is zero. - * This is used by ext2fs_expand_dir() to be able to add a new block - * to an inode. It can also be used for programs that want to be able - * to deal with files that contain "holes". - * - * BLOCK_FLAG_TRAVERSE indicates that the iterator function for the - * indirect, doubly indirect, etc. blocks should be called after all - * of the blocks containined in the indirect blocks are processed. - * This is useful if you are going to be deallocating blocks from an - * inode. - * - * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be - * called for data blocks only. - * - * BLOCK_FLAG_NO_LARGE is for internal use only. It informs - * ext2fs_block_iterate2 that large files won't be accepted. - */ -#define BLOCK_FLAG_APPEND 1 -#define BLOCK_FLAG_HOLE 1 -#define BLOCK_FLAG_DEPTH_TRAVERSE 2 -#define BLOCK_FLAG_DATA_ONLY 4 - -#define BLOCK_FLAG_NO_LARGE 0x1000 - -/* - * Magic "block count" return values for the block iterator function. - */ -#define BLOCK_COUNT_IND (-1) -#define BLOCK_COUNT_DIND (-2) -#define BLOCK_COUNT_TIND (-3) -#define BLOCK_COUNT_TRANSLATOR (-4) - -#if 0 -/* - * Flags for ext2fs_move_blocks - */ -#define EXT2_BMOVE_GET_DBLIST 0x0001 -#define EXT2_BMOVE_DEBUG 0x0002 -#endif - -/* - * Flags for directory block reading and writing functions - */ -#define EXT2_DIRBLOCK_V2_STRUCT 0x0001 - -/* - * Return flags for the directory iterator functions - */ -#define DIRENT_CHANGED 1 -#define DIRENT_ABORT 2 -#define DIRENT_ERROR 3 - -/* - * Directory iterator flags - */ - -#define DIRENT_FLAG_INCLUDE_EMPTY 1 -#define DIRENT_FLAG_INCLUDE_REMOVED 2 - -#define DIRENT_DOT_FILE 1 -#define DIRENT_DOT_DOT_FILE 2 -#define DIRENT_OTHER_FILE 3 -#define DIRENT_DELETED_FILE 4 - -/* - * Inode scan definitions - */ -typedef struct ext2_struct_inode_scan *ext2_inode_scan; - -/* - * ext2fs_scan flags - */ -#define EXT2_SF_CHK_BADBLOCKS 0x0001 -#define EXT2_SF_BAD_INODE_BLK 0x0002 -#define EXT2_SF_BAD_EXTRA_BYTES 0x0004 -#define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 - -/* - * ext2fs_check_if_mounted flags - */ -#define EXT2_MF_MOUNTED 1 -#define EXT2_MF_ISROOT 2 -#define EXT2_MF_READONLY 4 -#define EXT2_MF_SWAP 8 -#define EXT2_MF_BUSY 16 - -/* - * Ext2/linux mode flags. We define them here so that we don't need - * to depend on the OS's sys/stat.h, since we may be compiling on a - * non-Linux system. - */ -#define LINUX_S_IFMT 00170000 -#define LINUX_S_IFSOCK 0140000 -#define LINUX_S_IFLNK 0120000 -#define LINUX_S_IFREG 0100000 -#define LINUX_S_IFBLK 0060000 -#define LINUX_S_IFDIR 0040000 -#define LINUX_S_IFCHR 0020000 -#define LINUX_S_IFIFO 0010000 -#define LINUX_S_ISUID 0004000 -#define LINUX_S_ISGID 0002000 -#define LINUX_S_ISVTX 0001000 - -#define LINUX_S_IRWXU 00700 -#define LINUX_S_IRUSR 00400 -#define LINUX_S_IWUSR 00200 -#define LINUX_S_IXUSR 00100 - -#define LINUX_S_IRWXG 00070 -#define LINUX_S_IRGRP 00040 -#define LINUX_S_IWGRP 00020 -#define LINUX_S_IXGRP 00010 - -#define LINUX_S_IRWXO 00007 -#define LINUX_S_IROTH 00004 -#define LINUX_S_IWOTH 00002 -#define LINUX_S_IXOTH 00001 - -#define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) -#define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) -#define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) -#define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) -#define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) -#define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) -#define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) - -/* - * ext2 size of an inode - */ -#define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) - -/* - * ext2_icount_t abstraction - */ -#define EXT2_ICOUNT_OPT_INCREMENT 0x01 - -typedef struct ext2_icount *ext2_icount_t; - -/* - * Flags for ext2fs_bmap - */ -#define BMAP_ALLOC 0x0001 -#define BMAP_SET 0x0002 - -/* - * Flags for imager.c functions - */ -#define IMAGER_FLAG_INODEMAP 1 -#define IMAGER_FLAG_SPARSEWRITE 2 - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - - -/* - * For ext2 compression support - */ -#define EXT2FS_COMPRESSED_BLKADDR ((blk_t) 0xffffffff) -#define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) - -/* - * Features supported by this version of the library - */ -#define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ - EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ - EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ - EXT2_FEATURE_COMPAT_RESIZE_INODE|\ - EXT2_FEATURE_COMPAT_DIR_INDEX|\ - EXT2_FEATURE_COMPAT_EXT_ATTR) - -/* This #ifdef is temporary until compression is fully supported */ -#ifdef ENABLE_COMPRESSION -#ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL -/* If the below warning bugs you, then have - `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your - environment at configure time. */ - #warning "Compression support is experimental" -#endif -#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ - EXT2_FEATURE_INCOMPAT_COMPRESSION|\ - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ - EXT2_FEATURE_INCOMPAT_META_BG|\ - EXT3_FEATURE_INCOMPAT_RECOVER) -#else -#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ - EXT2_FEATURE_INCOMPAT_META_BG|\ - EXT3_FEATURE_INCOMPAT_RECOVER) -#endif -#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE) -/* - * function prototypes - */ - -/* alloc.c */ -extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, - ext2fs_inode_bitmap map, ext2_ino_t *ret); -extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, - ext2fs_block_bitmap map, blk_t *ret); -extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, - blk_t finish, int num, - ext2fs_block_bitmap map, - blk_t *ret); -extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, - char *block_buf, blk_t *ret); - -/* alloc_sb.c */ -extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, - dgrp_t group, - ext2fs_block_bitmap bmap); - -/* alloc_stats.c */ -void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); -void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, - int inuse, int isdir); -void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); - -/* alloc_tables.c */ -extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); -extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, - ext2fs_block_bitmap bmap); - -/* badblocks.c */ -extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); -extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); -extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); -extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); -extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, - ext2_u32_iterate *ret); -extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); -extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); -extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); -extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); - -extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, - int size); -extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, - blk_t blk); -extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, - blk_t blk); -extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); -extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); -extern errcode_t - ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, - ext2_badblocks_iterate *ret); -extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, - blk_t *blk); -extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); -extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, - ext2_badblocks_list *dest); -extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, - ext2_badblocks_list bb2); -extern int ext2fs_u32_list_count(ext2_u32_list bb); - -/* bb_compat */ -extern errcode_t badblocks_list_create(badblocks_list *ret, int size); -extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); -extern int badblocks_list_test(badblocks_list bb, blk_t blk); -extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, - badblocks_iterate *ret); -extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); -extern void badblocks_list_iterate_end(badblocks_iterate iter); -extern void badblocks_list_free(badblocks_list bb); - -/* bb_inode.c */ -extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, - ext2_badblocks_list bb_list); - -/* bitmaps.c */ -extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); -extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); -extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); -extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); -extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, - __u32 end, - __u32 real_end, - const char *descr, - ext2fs_generic_bitmap *ret); -extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_block_bitmap *ret); -extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, - const char *descr, - ext2fs_inode_bitmap *ret); -extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, - ext2_ino_t end, ext2_ino_t *oend); -extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, - blk_t end, blk_t *oend); -extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); -extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); -extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); -extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); - -/* block.c */ -extern errcode_t ext2fs_block_iterate(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - int blockcnt, - void *priv_data), - void *priv_data); -errcode_t ext2fs_block_iterate2(ext2_filsys fs, - ext2_ino_t ino, - int flags, - char *block_buf, - int (*func)(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_blk, - int ref_offset, - void *priv_data), - void *priv_data); - -/* bmap.c */ -extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char *block_buf, int bmap_flags, - blk_t block, blk_t *phys_blk); - - -#if 0 -/* bmove.c */ -extern errcode_t ext2fs_move_blocks(ext2_filsys fs, - ext2fs_block_bitmap reserve, - ext2fs_block_bitmap alloc_map, - int flags); -#endif - -/* check_desc.c */ -extern errcode_t ext2fs_check_desc(ext2_filsys fs); - -/* closefs.c */ -extern errcode_t ext2fs_close(ext2_filsys fs); -extern errcode_t ext2fs_flush(ext2_filsys fs); -extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block); -extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, - dgrp_t group, - blk_t *ret_super_blk, - blk_t *ret_old_desc_blk, - blk_t *ret_new_desc_blk, - int *ret_meta_bg); -extern void ext2fs_update_dynamic_rev(ext2_filsys fs); - -/* cmp_bitmaps.c */ -extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, - ext2fs_block_bitmap bm2); -extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, - ext2fs_inode_bitmap bm2); - -/* dblist.c */ - -extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); -extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); -extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, - blk_t blk, int blockcnt); -extern void ext2fs_dblist_sort(ext2_dblist dblist, - int (*sortfunc)(const void *, - const void *)); -extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, - int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, - void *priv_data), - void *priv_data); -extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, - blk_t blk, int blockcnt); -extern errcode_t ext2fs_copy_dblist(ext2_dblist src, - ext2_dblist *dest); -extern int ext2fs_dblist_count(ext2_dblist dblist); - -/* dblist_dir.c */ -extern errcode_t - ext2fs_dblist_dir_iterate(ext2_dblist dblist, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data); - -/* dirblock.c */ -extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, - void *buf); -extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, - void *buf, int flags); -extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, - void *buf); -extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, - void *buf, int flags); - -/* dirhash.c */ -extern errcode_t ext2fs_dirhash(int version, const char *name, int len, - const __u32 *seed, - ext2_dirhash_t *ret_hash, - ext2_dirhash_t *ret_minor_hash); - - -/* dir_iterate.c */ -extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data); -extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, - ext2_ino_t dir, - int flags, - char *block_buf, - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data), - void *priv_data); - -/* dupfs.c */ -extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); - -/* expanddir.c */ -extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); - -/* ext_attr.c */ -extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); -extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, - void *buf); -extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, - char *block_buf, - int adjust, __u32 *newcount); - -/* fileio.c */ -extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - int flags, ext2_file_t *ret); -extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, - int flags, ext2_file_t *ret); -extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); -extern errcode_t ext2fs_file_close(ext2_file_t file); -extern errcode_t ext2fs_file_flush(ext2_file_t file); -extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, - unsigned int wanted, unsigned int *got); -extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, - unsigned int nbytes, unsigned int *written); -extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, - int whence, __u64 *ret_pos); -extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, - int whence, ext2_off_t *ret_pos); -errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); -extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); -extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); - -/* finddev.c */ -extern char *ext2fs_find_block_device(dev_t device); - -/* flushb.c */ -extern errcode_t ext2fs_sync_device(int fd, int flushb); - -/* freefs.c */ -extern void ext2fs_free(ext2_filsys fs); -extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); -extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); -extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); -extern void ext2fs_free_dblist(ext2_dblist dblist); -extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); -extern void ext2fs_u32_list_free(ext2_u32_list bb); - -/* getsize.c */ -extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, - blk_t *retblocks); - -/* getsectsize.c */ -errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); - -/* imager.c */ -extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); -extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); - -/* ind_block.c */ -errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); -errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); - -/* initialize.c */ -extern errcode_t ext2fs_initialize(const char *name, int flags, - struct ext2_super_block *param, - io_manager manager, ext2_filsys *ret_fs); - -/* icount.c */ -extern void ext2fs_free_icount(ext2_icount_t icount); -extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, - unsigned int size, - ext2_icount_t hint, ext2_icount_t *ret); -extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, - unsigned int size, - ext2_icount_t *ret); -extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret); -extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret); -extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret); -extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, - __u16 count); -extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); -errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); - -/* inode.c */ -extern errcode_t ext2fs_flush_icache(ext2_filsys fs); -extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, - ext2_ino_t *ino, - struct ext2_inode *inode, - int bufsize); -extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, - ext2_inode_scan *ret_scan); -extern void ext2fs_close_inode_scan(ext2_inode_scan scan); -extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode); -extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, - int group); -extern void ext2fs_set_inode_callback - (ext2_inode_scan scan, - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data), - void *done_group_data); -extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, - int clear_flags); -extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, - int bufsize); -extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode); -extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, - int bufsize); -extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode); -extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode); -extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); -extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); - -/* inode_io.c */ -extern io_manager inode_io_manager; -extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, - char **name); -extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char **name); - -/* ismounted.c */ -extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); -extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, - char *mtpt, int mtlen); - -/* namei.c */ -extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, - int namelen, char *buf, ext2_ino_t *inode); -extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode); -errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode); -extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - ext2_ino_t inode, ext2_ino_t *res_inode); - -/* native.c */ -int ext2fs_native_flag(void); - -/* newdir.c */ -extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, - ext2_ino_t parent_ino, char **block); - -/* mkdir.c */ -extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, - const char *name); - -/* mkjournal.c */ -extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, - __u32 size, int flags, - char **ret_jsb); -extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, - ext2_filsys journal_dev); -extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size, - int flags); - -/* openfs.c */ -extern errcode_t ext2fs_open(const char *name, int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs); -extern errcode_t ext2fs_open2(const char *name, const char *io_options, - int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs); -extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, - dgrp_t i); -errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); -errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); -errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); - -/* get_pathname.c */ -extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, - char **name); - -/* link.c */ -errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, - ext2_ino_t ino, int flags); -errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, - ext2_ino_t ino, int flags); - -/* read_bb.c */ -extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, - ext2_badblocks_list *bb_list); - -/* read_bb_file.c */ -extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void *priv_data, - void (*invalid)(ext2_filsys fs, - blk_t blk, - char *badstr, - void *priv_data)); -extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void (*invalid)(ext2_filsys fs, - blk_t blk)); - -/* res_gdt.c */ -extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); - -/* rs_bitmap.c */ -extern errcode_t ext2fs_resize_generic_bitmap(__u32 new_end, - __u32 new_real_end, - ext2fs_generic_bitmap bmap); -extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_inode_bitmap bmap); -extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_block_bitmap bmap); -extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, - ext2fs_generic_bitmap *dest); - -/* swapfs.c */ -extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, - int has_header); -extern void ext2fs_swap_super(struct ext2_super_block * super); -extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); -extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, - struct ext2_inode_large *f, int hostorder, - int bufsize); -extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, - struct ext2_inode *f, int hostorder); - -/* valid_blk.c */ -extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); - -/* version.c */ -extern int ext2fs_parse_version_string(const char *ver_string); -extern int ext2fs_get_library_version(const char **ver_string, - const char **date_string); - -/* write_bb_file.c */ -extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, - unsigned int flags, - FILE *f); - - -/* inline functions */ -extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); -extern errcode_t ext2fs_free_mem(void *ptr); -extern errcode_t ext2fs_resize_mem(unsigned long old_size, - unsigned long size, void *ptr); -extern void ext2fs_mark_super_dirty(ext2_filsys fs); -extern void ext2fs_mark_changed(ext2_filsys fs); -extern int ext2fs_test_changed(ext2_filsys fs); -extern void ext2fs_mark_valid(ext2_filsys fs); -extern void ext2fs_unmark_valid(ext2_filsys fs); -extern int ext2fs_test_valid(ext2_filsys fs); -extern void ext2fs_mark_ib_dirty(ext2_filsys fs); -extern void ext2fs_mark_bb_dirty(ext2_filsys fs); -extern int ext2fs_test_ib_dirty(ext2_filsys fs); -extern int ext2fs_test_bb_dirty(ext2_filsys fs); -extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); -extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); -extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, - struct ext2_inode *inode); - -#ifdef __cplusplus -} -#endif - -#endif /* _EXT2FS_EXT2FS_H */ diff --git a/e2fsprogs/ext2fs/ext2fsP.h b/e2fsprogs/ext2fs/ext2fsP.h deleted file mode 100644 index 908b5d9a4..000000000 --- a/e2fsprogs/ext2fs/ext2fsP.h +++ /dev/null @@ -1,89 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2fsP.h --- private header file for ext2 library - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include "ext2fs.h" - -/* - * Badblocks list - */ -struct ext2_struct_u32_list { - int magic; - int num; - int size; - __u32 *list; - int badblocks_flags; -}; - -struct ext2_struct_u32_iterate { - int magic; - ext2_u32_list bb; - int ptr; -}; - - -/* - * Directory block iterator definition - */ -struct ext2_struct_dblist { - int magic; - ext2_filsys fs; - ext2_ino_t size; - ext2_ino_t count; - int sorted; - struct ext2_db_entry * list; -}; - -/* - * For directory iterators - */ -struct dir_context { - ext2_ino_t dir; - int flags; - char *buf; - int (*func)(ext2_ino_t dir, - int entry, - struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data); - void *priv_data; - errcode_t errcode; -}; - -/* - * Inode cache structure - */ -struct ext2_inode_cache { - void * buffer; - blk_t buffer_blk; - int cache_last; - int cache_size; - int refcount; - struct ext2_inode_cache_ent *cache; -}; - -struct ext2_inode_cache_ent { - ext2_ino_t ino; - struct ext2_inode inode; -}; - -/* Function prototypes */ - -extern int ext2fs_process_dir_block(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block, - int ref_offset, - void *priv_data); - - diff --git a/e2fsprogs/ext2fs/ext2fs_inline.c b/e2fsprogs/ext2fs/ext2fs_inline.c deleted file mode 100644 index da1cf5be5..000000000 --- a/e2fsprogs/ext2fs/ext2fs_inline.c +++ /dev/null @@ -1,367 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext2fs.h --- ext2fs - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include "ext2fs.h" -#include "bitops.h" -#include <string.h> - -/* - * Allocate memory - */ -errcode_t ext2fs_get_mem(unsigned long size, void *ptr) -{ - void **pp = (void **)ptr; - - *pp = malloc(size); - if (!*pp) - return EXT2_ET_NO_MEMORY; - return 0; -} - -/* - * Free memory - */ -errcode_t ext2fs_free_mem(void *ptr) -{ - void **pp = (void **)ptr; - - free(*pp); - *pp = 0; - return 0; -} - -/* - * Resize memory - */ -errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, - unsigned long size, void *ptr) -{ - void *p; - - /* Use "memcpy" for pointer assignments here to avoid problems - * with C99 strict type aliasing rules. */ - memcpy(&p, ptr, sizeof (p)); - p = realloc(p, size); - if (!p) - return EXT2_ET_NO_MEMORY; - memcpy(ptr, &p, sizeof (p)); - return 0; -} - -/* - * Mark a filesystem superblock as dirty - */ -void ext2fs_mark_super_dirty(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; -} - -/* - * Mark a filesystem as changed - */ -void ext2fs_mark_changed(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_CHANGED; -} - -/* - * Check to see if a filesystem has changed - */ -int ext2fs_test_changed(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_CHANGED); -} - -/* - * Mark a filesystem as valid - */ -void ext2fs_mark_valid(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_VALID; -} - -/* - * Mark a filesystem as NOT valid - */ -void ext2fs_unmark_valid(ext2_filsys fs) -{ - fs->flags &= ~EXT2_FLAG_VALID; -} - -/* - * Check to see if a filesystem is valid - */ -int ext2fs_test_valid(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_VALID); -} - -/* - * Mark the inode bitmap as dirty - */ -void ext2fs_mark_ib_dirty(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; -} - -/* - * Mark the block bitmap as dirty - */ -void ext2fs_mark_bb_dirty(ext2_filsys fs) -{ - fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; -} - -/* - * Check to see if a filesystem's inode bitmap is dirty - */ -int ext2fs_test_ib_dirty(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_IB_DIRTY); -} - -/* - * Check to see if a filesystem's block bitmap is dirty - */ -int ext2fs_test_bb_dirty(ext2_filsys fs) -{ - return (fs->flags & EXT2_FLAG_BB_DIRTY); -} - -/* - * Return the group # of a block - */ -int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) -{ - return (blk - fs->super->s_first_data_block) / - fs->super->s_blocks_per_group; -} - -/* - * Return the group # of an inode number - */ -int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) -{ - return (ino - 1) / fs->super->s_inodes_per_group; -} - -blk_t ext2fs_inode_data_blocks(ext2_filsys fs, - struct ext2_inode *inode) -{ - return inode->i_blocks - - (inode->i_file_acl ? fs->blocksize >> 9 : 0); -} - - - - - - - - - -__u16 ext2fs_swab16(__u16 val) -{ - return (val >> 8) | (val << 8); -} - -__u32 ext2fs_swab32(__u32 val) -{ - return ((val>>24) | ((val>>8)&0xFF00) | - ((val<<8)&0xFF0000) | (val<<24)); -} - -int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno); - -int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno) -{ - if ((bitno < bitmap->start) || (bitno > bitmap->end)) { - ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, bitno); - return 0; - } - return ext2fs_test_bit(bitno - bitmap->start, bitmap->bitmap); -} - -int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) - bitmap, - block); -} - -int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, - block); -} - -int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, - block); -} - -int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, - inode); -} - -int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, - inode); -} - -int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap, - inode); -} - -void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - ext2fs_set_bit(block - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - ext2fs_clear_bit(block - bitmap->start, bitmap->bitmap); -} - -int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap, - blk_t block) -{ - return ext2fs_test_bit(block - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - ext2fs_set_bit(inode - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - ext2fs_clear_bit(inode - bitmap->start, bitmap->bitmap); -} - -int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap, - ext2_ino_t inode) -{ - return ext2fs_test_bit(inode - bitmap->start, bitmap->bitmap); -} - -blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap) -{ - return bitmap->start; -} - -ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap) -{ - return bitmap->start; -} - -blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap) -{ - return bitmap->end; -} - -ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap) -{ - return bitmap->end; -} - -int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - if ((block < bitmap->start) || (block+num-1 > bitmap->end)) { - ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_TEST, - block, bitmap->description); - return 0; - } - for (i=0; i < num; i++) { - if (ext2fs_fast_test_block_bitmap(bitmap, block+i)) - return 0; - } - return 1; -} - -int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - for (i=0; i < num; i++) { - if (ext2fs_fast_test_block_bitmap(bitmap, block+i)) - return 0; - } - return 1; -} - -void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - if ((block < bitmap->start) || (block+num-1 > bitmap->end)) { - ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_MARK, block, - bitmap->description); - return; - } - for (i=0; i < num; i++) - ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - for (i=0; i < num; i++) - ext2fs_set_bit(block + i - bitmap->start, bitmap->bitmap); -} - -void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - - if ((block < bitmap->start) || (block+num-1 > bitmap->end)) { - ext2fs_warn_bitmap(EXT2_ET_BAD_BLOCK_UNMARK, block, - bitmap->description); - return; - } - for (i=0; i < num; i++) - ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap); -} - -void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap, - blk_t block, int num) -{ - int i; - for (i=0; i < num; i++) - ext2fs_clear_bit(block + i - bitmap->start, bitmap->bitmap); -} diff --git a/e2fsprogs/ext2fs/ext_attr.c b/e2fsprogs/ext2fs/ext_attr.c deleted file mode 100644 index 7ee41f234..000000000 --- a/e2fsprogs/ext2fs/ext_attr.c +++ /dev/null @@ -1,101 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ext_attr.c --- extended attribute blocks - * - * Copyright (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org> - * - * Copyright (C) 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2_ext_attr.h" -#include "ext2fs.h" - -errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf) -{ - errcode_t retval; - - retval = io_channel_read_blk(fs->io, block, 1, buf); - if (retval) - return retval; -#if BB_BIG_ENDIAN - if ((fs->flags & (EXT2_FLAG_SWAP_BYTES| - EXT2_FLAG_SWAP_BYTES_READ)) != 0) - ext2fs_swap_ext_attr(buf, buf, fs->blocksize, 1); -#endif - return 0; -} - -errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, void *inbuf) -{ - errcode_t retval; - char *write_buf; - char *buf = NULL; - - if (BB_BIG_ENDIAN && ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) { - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - write_buf = buf; - ext2fs_swap_ext_attr(buf, inbuf, fs->blocksize, 1); - } else - write_buf = (char *) inbuf; - retval = io_channel_write_blk(fs->io, block, 1, write_buf); - if (buf) - ext2fs_free_mem(&buf); - if (!retval) - ext2fs_mark_changed(fs); - return retval; -} - -/* - * This function adjusts the reference count of the EA block. - */ -errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, - char *block_buf, int adjust, - __u32 *newcount) -{ - errcode_t retval; - struct ext2_ext_attr_header *header; - char *buf = 0; - - if ((blk >= fs->super->s_blocks_count) || - (blk < fs->super->s_first_data_block)) - return EXT2_ET_BAD_EA_BLOCK_NUM; - - if (!block_buf) { - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - block_buf = buf; - } - - retval = ext2fs_read_ext_attr(fs, blk, block_buf); - if (retval) - goto errout; - - header = (struct ext2_ext_attr_header *) block_buf; - header->h_refcount += adjust; - if (newcount) - *newcount = header->h_refcount; - - retval = ext2fs_write_ext_attr(fs, blk, block_buf); - if (retval) - goto errout; - -errout: - if (buf) - ext2fs_free_mem(&buf); - return retval; -} diff --git a/e2fsprogs/ext2fs/fileio.c b/e2fsprogs/ext2fs/fileio.c deleted file mode 100644 index c56a21aa8..000000000 --- a/e2fsprogs/ext2fs/fileio.c +++ /dev/null @@ -1,377 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * fileio.c --- Simple file I/O routines - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct ext2_file { - errcode_t magic; - ext2_filsys fs; - ext2_ino_t ino; - struct ext2_inode inode; - int flags; - __u64 pos; - blk_t blockno; - blk_t physblock; - char *buf; -}; - -#define BMAP_BUFFER (file->buf + fs->blocksize) - -errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - int flags, ext2_file_t *ret) -{ - ext2_file_t file; - errcode_t retval; - - /* - * Don't let caller create or open a file for writing if the - * filesystem is read-only. - */ - if ((flags & (EXT2_FILE_WRITE | EXT2_FILE_CREATE)) && - !(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - retval = ext2fs_get_mem(sizeof(struct ext2_file), &file); - if (retval) - return retval; - - memset(file, 0, sizeof(struct ext2_file)); - file->magic = EXT2_ET_MAGIC_EXT2_FILE; - file->fs = fs; - file->ino = ino; - file->flags = flags & EXT2_FILE_MASK; - - if (inode) { - memcpy(&file->inode, inode, sizeof(struct ext2_inode)); - } else { - retval = ext2fs_read_inode(fs, ino, &file->inode); - if (retval) - goto fail; - } - - retval = ext2fs_get_mem(fs->blocksize * 3, &file->buf); - if (retval) - goto fail; - - *ret = file; - return 0; - -fail: - ext2fs_free_mem(&file->buf); - ext2fs_free_mem(&file); - return retval; -} - -errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, - int flags, ext2_file_t *ret) -{ - return ext2fs_file_open2(fs, ino, NULL, flags, ret); -} - -/* - * This function returns the filesystem handle of a file from the structure - */ -ext2_filsys ext2fs_file_get_fs(ext2_file_t file) -{ - if (file->magic != EXT2_ET_MAGIC_EXT2_FILE) - return 0; - return file->fs; -} - -/* - * This function flushes the dirty block buffer out to disk if - * necessary. - */ -errcode_t ext2fs_file_flush(ext2_file_t file) -{ - errcode_t retval; - ext2_filsys fs; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - fs = file->fs; - - if (!(file->flags & EXT2_FILE_BUF_VALID) || - !(file->flags & EXT2_FILE_BUF_DIRTY)) - return 0; - - /* - * OK, the physical block hasn't been allocated yet. - * Allocate it. - */ - if (!file->physblock) { - retval = ext2fs_bmap(fs, file->ino, &file->inode, - BMAP_BUFFER, file->ino ? BMAP_ALLOC : 0, - file->blockno, &file->physblock); - if (retval) - return retval; - } - - retval = io_channel_write_blk(fs->io, file->physblock, - 1, file->buf); - if (retval) - return retval; - - file->flags &= ~EXT2_FILE_BUF_DIRTY; - - return retval; -} - -/* - * This function synchronizes the file's block buffer and the current - * file position, possibly invalidating block buffer if necessary - */ -static errcode_t sync_buffer_position(ext2_file_t file) -{ - blk_t b; - errcode_t retval; - - b = file->pos / file->fs->blocksize; - if (b != file->blockno) { - retval = ext2fs_file_flush(file); - if (retval) - return retval; - file->flags &= ~EXT2_FILE_BUF_VALID; - } - file->blockno = b; - return 0; -} - -/* - * This function loads the file's block buffer with valid data from - * the disk as necessary. - * - * If dontfill is true, then skip initializing the buffer since we're - * going to be replacing its entire contents anyway. If set, then the - * function basically only sets file->physblock and EXT2_FILE_BUF_VALID - */ -#define DONTFILL 1 -static errcode_t load_buffer(ext2_file_t file, int dontfill) -{ - ext2_filsys fs = file->fs; - errcode_t retval; - - if (!(file->flags & EXT2_FILE_BUF_VALID)) { - retval = ext2fs_bmap(fs, file->ino, &file->inode, - BMAP_BUFFER, 0, file->blockno, - &file->physblock); - if (retval) - return retval; - if (!dontfill) { - if (file->physblock) { - retval = io_channel_read_blk(fs->io, - file->physblock, - 1, file->buf); - if (retval) - return retval; - } else - memset(file->buf, 0, fs->blocksize); - } - file->flags |= EXT2_FILE_BUF_VALID; - } - return 0; -} - - -errcode_t ext2fs_file_close(ext2_file_t file) -{ - errcode_t retval; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - - retval = ext2fs_file_flush(file); - - ext2fs_free_mem(&file->buf); - ext2fs_free_mem(&file); - - return retval; -} - - -errcode_t ext2fs_file_read(ext2_file_t file, void *buf, - unsigned int wanted, unsigned int *got) -{ - ext2_filsys fs; - errcode_t retval = 0; - unsigned int start, c, count = 0; - __u64 left; - char *ptr = (char *) buf; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - fs = file->fs; - - while ((file->pos < EXT2_I_SIZE(&file->inode)) && (wanted > 0)) { - retval = sync_buffer_position(file); - if (retval) - goto fail; - retval = load_buffer(file, 0); - if (retval) - goto fail; - - start = file->pos % fs->blocksize; - c = fs->blocksize - start; - if (c > wanted) - c = wanted; - left = EXT2_I_SIZE(&file->inode) - file->pos ; - if (c > left) - c = left; - - memcpy(ptr, file->buf+start, c); - file->pos += c; - ptr += c; - count += c; - wanted -= c; - } - -fail: - if (got) - *got = count; - return retval; -} - - -errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, - unsigned int nbytes, unsigned int *written) -{ - ext2_filsys fs; - errcode_t retval = 0; - unsigned int start, c, count = 0; - const char *ptr = (const char *) buf; - - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - fs = file->fs; - - if (!(file->flags & EXT2_FILE_WRITE)) - return EXT2_ET_FILE_RO; - - while (nbytes > 0) { - retval = sync_buffer_position(file); - if (retval) - goto fail; - - start = file->pos % fs->blocksize; - c = fs->blocksize - start; - if (c > nbytes) - c = nbytes; - - /* - * We only need to do a read-modify-update cycle if - * we're doing a partial write. - */ - retval = load_buffer(file, (c == fs->blocksize)); - if (retval) - goto fail; - - file->flags |= EXT2_FILE_BUF_DIRTY; - memcpy(file->buf+start, ptr, c); - file->pos += c; - ptr += c; - count += c; - nbytes -= c; - } - -fail: - if (written) - *written = count; - return retval; -} - -errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, - int whence, __u64 *ret_pos) -{ - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - - if (whence == EXT2_SEEK_SET) - file->pos = offset; - else if (whence == EXT2_SEEK_CUR) - file->pos += offset; - else if (whence == EXT2_SEEK_END) - file->pos = EXT2_I_SIZE(&file->inode) + offset; - else - return EXT2_ET_INVALID_ARGUMENT; - - if (ret_pos) - *ret_pos = file->pos; - - return 0; -} - -errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, - int whence, ext2_off_t *ret_pos) -{ - __u64 loffset, ret_loffset; - errcode_t retval; - - loffset = offset; - retval = ext2fs_file_llseek(file, loffset, whence, &ret_loffset); - if (ret_pos) - *ret_pos = (ext2_off_t) ret_loffset; - return retval; -} - - -/* - * This function returns the size of the file, according to the inode - */ -errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size) -{ - if (file->magic != EXT2_ET_MAGIC_EXT2_FILE) - return EXT2_ET_MAGIC_EXT2_FILE; - *ret_size = EXT2_I_SIZE(&file->inode); - return 0; -} - -/* - * This function returns the size of the file, according to the inode - */ -ext2_off_t ext2fs_file_get_size(ext2_file_t file) -{ - __u64 size; - - if (ext2fs_file_get_lsize(file, &size)) - return 0; - if ((size >> 32) != 0) - return 0; - return size; -} - -/* - * This function sets the size of the file, truncating it if necessary - * - * XXX still need to call truncate - */ -errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size) -{ - errcode_t retval; - EXT2_CHECK_MAGIC(file, EXT2_ET_MAGIC_EXT2_FILE); - - file->inode.i_size = size; - file->inode.i_size_high = 0; - if (file->ino) { - retval = ext2fs_write_inode(file->fs, file->ino, &file->inode); - if (retval) - return retval; - } - - /* - * XXX truncate inode if necessary - */ - - return 0; -} diff --git a/e2fsprogs/ext2fs/finddev.c b/e2fsprogs/ext2fs/finddev.c deleted file mode 100644 index 5e2cce940..000000000 --- a/e2fsprogs/ext2fs/finddev.c +++ /dev/null @@ -1,199 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * finddev.c -- this routine attempts to find a particular device in - * /dev - * - * Copyright (C) 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <stdlib.h> -#include <string.h> -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#include <dirent.h> -#ifdef HAVE_ERRNO_H -#include <errno.h> -#endif -#ifdef HAVE_SYS_MKDEV_H -#include <sys/mkdev.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct dir_list { - char *name; - struct dir_list *next; -}; - -/* - * This function adds an entry to the directory list - */ -static void add_to_dirlist(const char *name, struct dir_list **list) -{ - struct dir_list *dp; - - dp = xmalloc(sizeof(struct dir_list)); - dp->name = xmalloc(strlen(name)+1); - strcpy(dp->name, name); - dp->next = *list; - *list = dp; -} - -/* - * This function frees a directory list - */ -static void free_dirlist(struct dir_list **list) -{ - struct dir_list *dp, *next; - - for (dp = *list; dp; dp = next) { - next = dp->next; - free(dp->name); - free(dp); - } - *list = 0; -} - -static int scan_dir(char *dir_name, dev_t device, struct dir_list **list, - char **ret_path) -{ - DIR *dir; - struct dirent *dp; - char path[1024], *cp; - int dirlen; - struct stat st; - - dirlen = strlen(dir_name); - if ((dir = opendir(dir_name)) == NULL) - return errno; - dp = readdir(dir); - while (dp) { - if (dirlen + strlen(dp->d_name) + 2 >= sizeof(path)) - goto skip_to_next; - if (dp->d_name[0] == '.' && - ((dp->d_name[1] == 0) || - ((dp->d_name[1] == '.') && (dp->d_name[2] == 0)))) - goto skip_to_next; - sprintf(path, "%s/%s", dir_name, dp->d_name); - if (stat(path, &st) < 0) - goto skip_to_next; - if (S_ISDIR(st.st_mode)) - add_to_dirlist(path, list); - if (S_ISBLK(st.st_mode) && st.st_rdev == device) { - cp = xmalloc(strlen(path)+1); - strcpy(cp, path); - *ret_path = cp; - goto success; - } - skip_to_next: - dp = readdir(dir); - } -success: - closedir(dir); - return 0; -} - -/* - * This function finds the pathname to a block device with a given - * device number. It returns a pointer to allocated memory to the - * pathname on success, and NULL on failure. - */ -char *ext2fs_find_block_device(dev_t device) -{ - struct dir_list *list = 0, *new_list = 0; - struct dir_list *current; - char *ret_path = 0; - - /* - * Add the starting directories to search... - */ - add_to_dirlist("/devices", &list); - add_to_dirlist("/devfs", &list); - add_to_dirlist("/dev", &list); - - while (list) { - current = list; - list = list->next; -#ifdef DEBUG - printf("Scanning directory %s\n", current->name); -#endif - scan_dir(current->name, device, &new_list, &ret_path); - free(current->name); - free(current); - if (ret_path) - break; - /* - * If we're done checking at this level, descend to - * the next level of subdirectories. (breadth-first) - */ - if (list == 0) { - list = new_list; - new_list = 0; - } - } - free_dirlist(&list); - free_dirlist(&new_list); - return ret_path; -} - - -#ifdef DEBUG -int main(int argc, char** argv) -{ - char *devname, *tmp; - int major, minor; - dev_t device; - const char *errmsg = "Cannot parse %s: %s\n"; - - if ((argc != 2) && (argc != 3)) { - fprintf(stderr, "Usage: %s device_number\n", argv[0]); - fprintf(stderr, "\t: %s major minor\n", argv[0]); - exit(1); - } - if (argc == 2) { - device = strtoul(argv[1], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "device number", argv[1]); - exit(1); - } - } else { - major = strtoul(argv[1], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "major number", argv[1]); - exit(1); - } - minor = strtoul(argv[2], &tmp, 0); - if (*tmp) { - fprintf(stderr, errmsg, "minor number", argv[2]); - exit(1); - } - device = makedev(major, minor); - printf("Looking for device 0x%04x (%d:%d)\n", device, - major, minor); - } - devname = ext2fs_find_block_device(device); - if (devname) { - printf("Found device! %s\n", devname); - free(devname); - } else { - printf("Cannot find device.\n"); - } - return 0; -} - -#endif diff --git a/e2fsprogs/ext2fs/flushb.c b/e2fsprogs/ext2fs/flushb.c deleted file mode 100644 index e42982653..000000000 --- a/e2fsprogs/ext2fs/flushb.c +++ /dev/null @@ -1,83 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * flushb.c --- Hides system-dependent information for both syncing a - * device to disk and to flush any buffers from disk cache. - * - * Copyright (C) 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#if HAVE_SYS_MOUNT_H -#include <sys/param.h> -#include <sys/mount.h> /* This may define BLKFLSBUF */ -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For Linux, define BLKFLSBUF and FDFLUSH if necessary, since - * not all portable header file does so for us. This really should be - * fixed in the glibc header files. (Recent glibcs appear to define - * BLKFLSBUF in sys/mount.h, but FDFLUSH still doesn't seem to be - * defined anywhere portable.) Until then.... - */ -#ifdef __linux__ -#ifndef BLKFLSBUF -#define BLKFLSBUF _IO(0x12,97) /* flush buffer cache */ -#endif -#ifndef FDFLUSH -#define FDFLUSH _IO(2,0x4b) /* flush floppy disk */ -#endif -#endif - -/* - * This function will sync a device/file, and optionally attempt to - * flush the buffer cache. The latter is basically only useful for - * system benchmarks and for torturing systems in burn-in tests. :) - */ -errcode_t ext2fs_sync_device(int fd, int flushb) -{ - /* - * We always sync the device in case we're running on old - * kernels for which we can lose data if we don't. (There - * still is a race condition for those kernels, but this - * reduces it greatly.) - */ - if (fsync (fd) == -1) - return errno; - - if (flushb) { - -#ifdef BLKFLSBUF - if (ioctl (fd, BLKFLSBUF, 0) == 0) - return 0; -#else -#ifdef __GNUC__ -# warning BLKFLSBUF not defined -#endif /* __GNUC__ */ -#endif -#ifdef FDFLUSH - ioctl (fd, FDFLUSH, 0); /* In case this is a floppy */ -#else -#ifdef __GNUC__ -# warning FDFLUSH not defined -#endif /* __GNUC__ */ -#endif - } - return 0; -} diff --git a/e2fsprogs/ext2fs/freefs.c b/e2fsprogs/ext2fs/freefs.c deleted file mode 100644 index 65c4ee794..000000000 --- a/e2fsprogs/ext2fs/freefs.c +++ /dev/null @@ -1,128 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * freefs.c --- free an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache); - -void ext2fs_free(ext2_filsys fs) -{ - if (!fs || (fs->magic != EXT2_ET_MAGIC_EXT2FS_FILSYS)) - return; - if (fs->image_io != fs->io) { - if (fs->image_io) - io_channel_close(fs->image_io); - } - if (fs->io) { - io_channel_close(fs->io); - } - ext2fs_free_mem(&fs->device_name); - ext2fs_free_mem(&fs->super); - ext2fs_free_mem(&fs->orig_super); - ext2fs_free_mem(&fs->group_desc); - ext2fs_free_block_bitmap(fs->block_map); - ext2fs_free_inode_bitmap(fs->inode_map); - - ext2fs_badblocks_list_free(fs->badblocks); - fs->badblocks = 0; - - ext2fs_free_dblist(fs->dblist); - - if (fs->icache) - ext2fs_free_inode_cache(fs->icache); - - fs->magic = 0; - - ext2fs_free_mem(&fs); -} - -void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_GENERIC_BITMAP)) - return; - - bitmap->magic = 0; - ext2fs_free_mem(&bitmap->description); - ext2fs_free_mem(&bitmap->bitmap); - ext2fs_free_mem(&bitmap); -} - -void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_INODE_BITMAP)) - return; - - bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - ext2fs_free_generic_bitmap(bitmap); -} - -void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap) -{ - if (!bitmap || (bitmap->magic != EXT2_ET_MAGIC_BLOCK_BITMAP)) - return; - - bitmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - ext2fs_free_generic_bitmap(bitmap); -} - -/* - * Free the inode cache structure - */ -static void ext2fs_free_inode_cache(struct ext2_inode_cache *icache) -{ - if (--icache->refcount) - return; - ext2fs_free_mem(&icache->buffer); - ext2fs_free_mem(&icache->cache); - icache->buffer_blk = 0; - ext2fs_free_mem(&icache); -} - -/* - * This procedure frees a badblocks list. - */ -void ext2fs_u32_list_free(ext2_u32_list bb) -{ - if (!bb || bb->magic != EXT2_ET_MAGIC_BADBLOCKS_LIST) - return; - - ext2fs_free_mem(&bb->list); - ext2fs_free_mem(&bb); -} - -void ext2fs_badblocks_list_free(ext2_badblocks_list bb) -{ - ext2fs_u32_list_free((ext2_u32_list) bb); -} - - -/* - * Free a directory block list - */ -void ext2fs_free_dblist(ext2_dblist dblist) -{ - if (!dblist || (dblist->magic != EXT2_ET_MAGIC_DBLIST)) - return; - - ext2fs_free_mem(&dblist->list); - if (dblist->fs && dblist->fs->dblist == dblist) - dblist->fs->dblist = 0; - dblist->magic = 0; - ext2fs_free_mem(&dblist); -} - diff --git a/e2fsprogs/ext2fs/gen_bitmap.c b/e2fsprogs/ext2fs/gen_bitmap.c deleted file mode 100644 index d0869c919..000000000 --- a/e2fsprogs/ext2fs/gen_bitmap.c +++ /dev/null @@ -1,49 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * gen_bitmap.c --- Generic bitmap routines that used to be inlined. - * - * Copyright (C) 2001 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap, - __u32 bitno) -{ - if ((bitno < bitmap->start) || (bitno > bitmap->end)) { - ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno); - return 0; - } - return ext2fs_set_bit(bitno - bitmap->start, bitmap->bitmap); -} - -int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap, - blk_t bitno) -{ - if ((bitno < bitmap->start) || (bitno > bitmap->end)) { - ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno); - return 0; - } - return ext2fs_clear_bit(bitno - bitmap->start, bitmap->bitmap); -} diff --git a/e2fsprogs/ext2fs/get_pathname.c b/e2fsprogs/ext2fs/get_pathname.c deleted file mode 100644 index a98b2b9e5..000000000 --- a/e2fsprogs/ext2fs/get_pathname.c +++ /dev/null @@ -1,157 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * get_pathname.c --- do directry/inode -> name translation - * - * Copyright (C) 1993, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - * ext2fs_get_pathname(fs, dir, ino, name) - * - * This function translates takes two inode numbers into a - * string, placing the result in <name>. <dir> is the containing - * directory inode, and <ino> is the inode number itself. If - * <ino> is zero, then ext2fs_get_pathname will return pathname - * of the the directory <dir>. - * - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct get_pathname_struct { - ext2_ino_t search_ino; - ext2_ino_t parent; - char *name; - errcode_t errcode; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int get_pathname_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct get_pathname_struct *gp; - errcode_t retval; - - gp = (struct get_pathname_struct *) priv_data; - - if (((dirent->name_len & 0xFF) == 2) && - !strncmp(dirent->name, "..", 2)) - gp->parent = dirent->inode; - if (dirent->inode == gp->search_ino) { - retval = ext2fs_get_mem((dirent->name_len & 0xFF) + 1, - &gp->name); - if (retval) { - gp->errcode = retval; - return DIRENT_ABORT; - } - strncpy(gp->name, dirent->name, (dirent->name_len & 0xFF)); - gp->name[dirent->name_len & 0xFF] = '\0'; - return DIRENT_ABORT; - } - return 0; -} - -static errcode_t ext2fs_get_pathname_int(ext2_filsys fs, ext2_ino_t dir, - ext2_ino_t ino, int maxdepth, - char *buf, char **name) -{ - struct get_pathname_struct gp; - char *parent_name, *ret; - errcode_t retval; - - if (dir == ino) { - retval = ext2fs_get_mem(2, name); - if (retval) - return retval; - strcpy(*name, (dir == EXT2_ROOT_INO) ? "/" : "."); - return 0; - } - - if (!dir || (maxdepth < 0)) { - retval = ext2fs_get_mem(4, name); - if (retval) - return retval; - strcpy(*name, "..."); - return 0; - } - - gp.search_ino = ino; - gp.parent = 0; - gp.name = 0; - gp.errcode = 0; - - retval = ext2fs_dir_iterate(fs, dir, 0, buf, get_pathname_proc, &gp); - if (retval) - goto cleanup; - if (gp.errcode) { - retval = gp.errcode; - goto cleanup; - } - - retval = ext2fs_get_pathname_int(fs, gp.parent, dir, maxdepth-1, - buf, &parent_name); - if (retval) - goto cleanup; - if (!ino) { - *name = parent_name; - return 0; - } - - if (gp.name) - retval = ext2fs_get_mem(strlen(parent_name)+strlen(gp.name)+2, - &ret); - else - retval = ext2fs_get_mem(strlen(parent_name)+5, &ret); - if (retval) - goto cleanup; - - ret[0] = 0; - if (parent_name[1]) - strcat(ret, parent_name); - strcat(ret, "/"); - if (gp.name) - strcat(ret, gp.name); - else - strcat(ret, "???"); - *name = ret; - ext2fs_free_mem(&parent_name); - retval = 0; - -cleanup: - ext2fs_free_mem(&gp.name); - return retval; -} - -errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, - char **name) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - if (dir == ino) - ino = 0; - retval = ext2fs_get_pathname_int(fs, dir, ino, 32, buf, name); - ext2fs_free_mem(&buf); - return retval; - -} diff --git a/e2fsprogs/ext2fs/getsectsize.c b/e2fsprogs/ext2fs/getsectsize.c deleted file mode 100644 index 163ec65e5..000000000 --- a/e2fsprogs/ext2fs/getsectsize.c +++ /dev/null @@ -1,58 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * getsectsize.c --- get the sector size of a device. - * - * Copyright (C) 1995, 1995 Theodore Ts'o. - * Copyright (C) 2003 VMware, Inc. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_LINUX_FD_H -#include <sys/ioctl.h> -#include <linux/fd.h> -#endif - -#if defined(__linux__) && defined(_IO) && !defined(BLKSSZGET) -#define BLKSSZGET _IO(0x12,104)/* get block device sector size */ -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Returns the number of blocks in a partition - */ -errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize) -{ - int fd; - -#ifdef CONFIG_LFS - fd = open64(file, O_RDONLY); -#else - fd = open(file, O_RDONLY); -#endif - if (fd < 0) - return errno; - -#ifdef BLKSSZGET - if (ioctl(fd, BLKSSZGET, sectsize) >= 0) { - close(fd); - return 0; - } -#endif - *sectsize = 0; - close(fd); - return 0; -} diff --git a/e2fsprogs/ext2fs/getsize.c b/e2fsprogs/ext2fs/getsize.c deleted file mode 100644 index 516886c1f..000000000 --- a/e2fsprogs/ext2fs/getsize.c +++ /dev/null @@ -1,291 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * getsize.c --- get the size of a partition. - * - * Copyright (C) 1995, 1995 Theodore Ts'o. - * Copyright (C) 2003 VMware, Inc. - * - * Windows version of ext2fs_get_device_size by Chris Li, VMware. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#ifdef HAVE_LINUX_FD_H -#include <linux/fd.h> -#endif -#ifdef HAVE_SYS_DISKLABEL_H -#include <sys/disklabel.h> -#endif -#ifdef HAVE_SYS_DISK_H -#ifdef HAVE_SYS_QUEUE_H -#include <sys/queue.h> /* for LIST_HEAD */ -#endif -#include <sys/disk.h> -#endif -#ifdef __linux__ -#include <sys/utsname.h> -#endif - -#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE) -#define BLKGETSIZE _IO(0x12,96) /* return device size */ -#endif - -#if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64) -#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ -#endif - -#ifdef APPLE_DARWIN -#define BLKGETSIZE DKIOCGETBLOCKCOUNT32 -#endif /* APPLE_DARWIN */ - -#include "ext2_fs.h" -#include "ext2fs.h" - -#if defined(__CYGWIN__) || defined (WIN32) -#include <windows.h> -#include <winioctl.h> - -#if (_WIN32_WINNT >= 0x0500) -#define HAVE_GET_FILE_SIZE_EX 1 -#endif - -errcode_t ext2fs_get_device_size(const char *file, int blocksize, - blk_t *retblocks) -{ - HANDLE dev; - PARTITION_INFORMATION pi; - DISK_GEOMETRY gi; - DWORD retbytes; -#ifdef HAVE_GET_FILE_SIZE_EX - LARGE_INTEGER filesize; -#else - DWORD filesize; -#endif /* HAVE_GET_FILE_SIZE_EX */ - - dev = CreateFile(file, GENERIC_READ, - FILE_SHARE_READ | FILE_SHARE_WRITE , - NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); - - if (dev == INVALID_HANDLE_VALUE) - return EBADF; - if (DeviceIoControl(dev, IOCTL_DISK_GET_PARTITION_INFO, - &pi, sizeof(PARTITION_INFORMATION), - &pi, sizeof(PARTITION_INFORMATION), - &retbytes, NULL)) { - - *retblocks = pi.PartitionLength.QuadPart / blocksize; - - } else if (DeviceIoControl(dev, IOCTL_DISK_GET_DRIVE_GEOMETRY, - &gi, sizeof(DISK_GEOMETRY), - &gi, sizeof(DISK_GEOMETRY), - &retbytes, NULL)) { - - *retblocks = gi.BytesPerSector * - gi.SectorsPerTrack * - gi.TracksPerCylinder * - gi.Cylinders.QuadPart / blocksize; - -#ifdef HAVE_GET_FILE_SIZE_EX - } else if (GetFileSizeEx(dev, &filesize)) { - *retblocks = filesize.QuadPart / blocksize; - } -#else - } else { - filesize = GetFileSize(dev, NULL); - if (INVALID_FILE_SIZE != filesize) { - *retblocks = filesize / blocksize; - } - } -#endif /* HAVE_GET_FILE_SIZE_EX */ - - CloseHandle(dev); - return 0; -} - -#else - -static int valid_offset (int fd, ext2_loff_t offset) -{ - char ch; - - if (ext2fs_llseek (fd, offset, 0) < 0) - return 0; - if (read (fd, &ch, 1) < 1) - return 0; - return 1; -} - -/* - * Returns the number of blocks in a partition - */ -errcode_t ext2fs_get_device_size(const char *file, int blocksize, - blk_t *retblocks) -{ - int fd; - int valid_blkgetsize64 = 1; -#ifdef __linux__ - struct utsname ut; -#endif - unsigned long long size64; - unsigned long size; - ext2_loff_t high, low; -#ifdef FDGETPRM - struct floppy_struct this_floppy; -#endif -#ifdef HAVE_SYS_DISKLABEL_H - int part; - struct disklabel lab; - struct partition *pp; - char ch; -#endif /* HAVE_SYS_DISKLABEL_H */ - -#ifdef CONFIG_LFS - fd = open64(file, O_RDONLY); -#else - fd = open(file, O_RDONLY); -#endif - if (fd < 0) - return errno; - -#ifdef DKIOCGETBLOCKCOUNT /* For Apple Darwin */ - if (ioctl(fd, DKIOCGETBLOCKCOUNT, &size64) >= 0) { - if ((sizeof(*retblocks) < sizeof(unsigned long long)) - && ((size64 / (blocksize / 512)) > 0xFFFFFFFF)) - return EFBIG; - close(fd); - *retblocks = size64 / (blocksize / 512); - return 0; - } -#endif - -#ifdef BLKGETSIZE64 -#ifdef __linux__ - if ((uname(&ut) == 0) && - ((ut.release[0] == '2') && (ut.release[1] == '.') && - (ut.release[2] < '6') && (ut.release[3] == '.'))) - valid_blkgetsize64 = 0; -#endif - if (valid_blkgetsize64 && - ioctl(fd, BLKGETSIZE64, &size64) >= 0) { - if ((sizeof(*retblocks) < sizeof(unsigned long long)) - && ((size64 / blocksize) > 0xFFFFFFFF)) - return EFBIG; - close(fd); - *retblocks = size64 / blocksize; - return 0; - } -#endif - -#ifdef BLKGETSIZE - if (ioctl(fd, BLKGETSIZE, &size) >= 0) { - close(fd); - *retblocks = size / (blocksize / 512); - return 0; - } -#endif - -#ifdef FDGETPRM - if (ioctl(fd, FDGETPRM, &this_floppy) >= 0) { - close(fd); - *retblocks = this_floppy.size / (blocksize / 512); - return 0; - } -#endif - -#ifdef HAVE_SYS_DISKLABEL_H -#if defined(DIOCGMEDIASIZE) - { - off_t ms; - u_int bs; - if (ioctl(fd, DIOCGMEDIASIZE, &ms) >= 0) { - *retblocks = ms / blocksize; - return 0; - } - } -#elif defined(DIOCGDINFO) - /* old disklabel interface */ - part = strlen(file) - 1; - if (part >= 0) { - ch = file[part]; - if (isdigit(ch)) - part = 0; - else if (ch >= 'a' && ch <= 'h') - part = ch - 'a'; - else - part = -1; - } - if (part >= 0 && (ioctl(fd, DIOCGDINFO, (char *)&lab) >= 0)) { - pp = &lab.d_partitions[part]; - if (pp->p_size) { - close(fd); - *retblocks = pp->p_size / (blocksize / 512); - return 0; - } - } -#endif /* defined(DIOCG*) */ -#endif /* HAVE_SYS_DISKLABEL_H */ - - /* - * OK, we couldn't figure it out by using a specialized ioctl, - * which is generally the best way. So do binary search to - * find the size of the partition. - */ - low = 0; - for (high = 1024; valid_offset (fd, high); high *= 2) - low = high; - while (low < high - 1) - { - const ext2_loff_t mid = (low + high) / 2; - - if (valid_offset (fd, mid)) - low = mid; - else - high = mid; - } - valid_offset (fd, 0); - close(fd); - size64 = low + 1; - if ((sizeof(*retblocks) < sizeof(unsigned long long)) - && ((size64 / blocksize) > 0xFFFFFFFF)) - return EFBIG; - *retblocks = size64 / blocksize; - return 0; -} - -#endif /* WIN32 */ - -#ifdef DEBUG -int main(int argc, char **argv) -{ - blk_t blocks; - int retval; - - if (argc < 2) { - fprintf(stderr, "Usage: %s device\n", argv[0]); - exit(1); - } - - retval = ext2fs_get_device_size(argv[1], 1024, &blocks); - if (retval) { - com_err(argv[0], retval, - "while calling ext2fs_get_device_size"); - exit(1); - } - printf("Device %s has %d 1k blocks.\n", argv[1], blocks); - exit(0); -} -#endif diff --git a/e2fsprogs/ext2fs/icount.c b/e2fsprogs/ext2fs/icount.c deleted file mode 100644 index 7ab5f51f4..000000000 --- a/e2fsprogs/ext2fs/icount.c +++ /dev/null @@ -1,467 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * icount.c --- an efficient inode count abstraction - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * The data storage strategy used by icount relies on the observation - * that most inode counts are either zero (for non-allocated inodes), - * one (for most files), and only a few that are two or more - * (directories and files that are linked to more than one directory). - * - * Also, e2fsck tends to load the icount data sequentially. - * - * So, we use an inode bitmap to indicate which inodes have a count of - * one, and then use a sorted list to store the counts for inodes - * which are greater than one. - * - * We also use an optional bitmap to indicate which inodes are already - * in the sorted list, to speed up the use of this abstraction by - * e2fsck's pass 2. Pass 2 increments inode counts as it finds them, - * so this extra bitmap avoids searching the sorted list to see if a - * particular inode is on the sorted list already. - */ - -struct ext2_icount_el { - ext2_ino_t ino; - __u16 count; -}; - -struct ext2_icount { - errcode_t magic; - ext2fs_inode_bitmap single; - ext2fs_inode_bitmap multiple; - ext2_ino_t count; - ext2_ino_t size; - ext2_ino_t num_inodes; - ext2_ino_t cursor; - struct ext2_icount_el *list; -}; - -void ext2fs_free_icount(ext2_icount_t icount) -{ - if (!icount) - return; - - icount->magic = 0; - ext2fs_free_mem(&icount->list); - ext2fs_free_inode_bitmap(icount->single); - ext2fs_free_inode_bitmap(icount->multiple); - ext2fs_free_mem(&icount); -} - -errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, unsigned int size, - ext2_icount_t hint, ext2_icount_t *ret) -{ - ext2_icount_t icount; - errcode_t retval; - size_t bytes; - ext2_ino_t i; - - if (hint) { - EXT2_CHECK_MAGIC(hint, EXT2_ET_MAGIC_ICOUNT); - if (hint->size > size) - size = (size_t) hint->size; - } - - retval = ext2fs_get_mem(sizeof(struct ext2_icount), &icount); - if (retval) - return retval; - memset(icount, 0, sizeof(struct ext2_icount)); - - retval = ext2fs_allocate_inode_bitmap(fs, 0, - &icount->single); - if (retval) - goto errout; - - if (flags & EXT2_ICOUNT_OPT_INCREMENT) { - retval = ext2fs_allocate_inode_bitmap(fs, 0, - &icount->multiple); - if (retval) - goto errout; - } else - icount->multiple = 0; - - if (size) { - icount->size = size; - } else { - /* - * Figure out how many special case inode counts we will - * have. We know we will need one for each directory; - * we also need to reserve some extra room for file links - */ - retval = ext2fs_get_num_dirs(fs, &icount->size); - if (retval) - goto errout; - icount->size += fs->super->s_inodes_count / 50; - } - - bytes = (size_t) (icount->size * sizeof(struct ext2_icount_el)); - retval = ext2fs_get_mem(bytes, &icount->list); - if (retval) - goto errout; - memset(icount->list, 0, bytes); - - icount->magic = EXT2_ET_MAGIC_ICOUNT; - icount->count = 0; - icount->cursor = 0; - icount->num_inodes = fs->super->s_inodes_count; - - /* - * Populate the sorted list with those entries which were - * found in the hint icount (since those are ones which will - * likely need to be in the sorted list this time around). - */ - if (hint) { - for (i=0; i < hint->count; i++) - icount->list[i].ino = hint->list[i].ino; - icount->count = hint->count; - } - - *ret = icount; - return 0; - -errout: - ext2fs_free_icount(icount); - return retval; -} - -errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, - unsigned int size, - ext2_icount_t *ret) -{ - return ext2fs_create_icount2(fs, flags, size, 0, ret); -} - -/* - * insert_icount_el() --- Insert a new entry into the sorted list at a - * specified position. - */ -static struct ext2_icount_el *insert_icount_el(ext2_icount_t icount, - ext2_ino_t ino, int pos) -{ - struct ext2_icount_el *el; - errcode_t retval; - ext2_ino_t new_size = 0; - int num; - - if (icount->count >= icount->size) { - if (icount->count) { - new_size = icount->list[(unsigned)icount->count-1].ino; - new_size = (ext2_ino_t) (icount->count * - ((float) icount->num_inodes / new_size)); - } - if (new_size < (icount->size + 100)) - new_size = icount->size + 100; - retval = ext2fs_resize_mem((size_t) icount->size * - sizeof(struct ext2_icount_el), - (size_t) new_size * - sizeof(struct ext2_icount_el), - &icount->list); - if (retval) - return 0; - icount->size = new_size; - } - num = (int) icount->count - pos; - if (num < 0) - return 0; /* should never happen */ - if (num) { - memmove(&icount->list[pos+1], &icount->list[pos], - sizeof(struct ext2_icount_el) * num); - } - icount->count++; - el = &icount->list[pos]; - el->count = 0; - el->ino = ino; - return el; -} - -/* - * get_icount_el() --- given an inode number, try to find icount - * information in the sorted list. If the create flag is set, - * and we can't find an entry, create one in the sorted list. - */ -static struct ext2_icount_el *get_icount_el(ext2_icount_t icount, - ext2_ino_t ino, int create) -{ - float range; - int low, high, mid; - ext2_ino_t lowval, highval; - - if (!icount || !icount->list) - return 0; - - if (create && ((icount->count == 0) || - (ino > icount->list[(unsigned)icount->count-1].ino))) { - return insert_icount_el(icount, ino, (unsigned) icount->count); - } - if (icount->count == 0) - return 0; - - if (icount->cursor >= icount->count) - icount->cursor = 0; - if (ino == icount->list[icount->cursor].ino) - return &icount->list[icount->cursor++]; - low = 0; - high = (int) icount->count-1; - while (low <= high) { - if (low == high) - mid = low; - else { - /* Interpolate for efficiency */ - lowval = icount->list[low].ino; - highval = icount->list[high].ino; - - if (ino < lowval) - range = 0; - else if (ino > highval) - range = 1; - else - range = ((float) (ino - lowval)) / - (highval - lowval); - mid = low + ((int) (range * (high-low))); - } - if (ino == icount->list[mid].ino) { - icount->cursor = mid+1; - return &icount->list[mid]; - } - if (ino < icount->list[mid].ino) - high = mid-1; - else - low = mid+1; - } - /* - * If we need to create a new entry, it should be right at - * low (where high will be left at low-1). - */ - if (create) - return insert_icount_el(icount, ino, low); - return 0; -} - -errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *out) -{ - errcode_t ret = 0; - unsigned int i; - const char *bad = "bad icount"; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (icount->count > icount->size) { - fprintf(out, "%s: count > size\n", bad); - return EXT2_ET_INVALID_ARGUMENT; - } - for (i=1; i < icount->count; i++) { - if (icount->list[i-1].ino >= icount->list[i].ino) { - fprintf(out, "%s: list[%d].ino=%u, list[%d].ino=%u\n", - bad, i-1, icount->list[i-1].ino, - i, icount->list[i].ino); - ret = EXT2_ET_INVALID_ARGUMENT; - } - } - return ret; -} - -errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, __u16 *ret) -{ - struct ext2_icount_el *el; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - if (ext2fs_test_inode_bitmap(icount->single, ino)) { - *ret = 1; - return 0; - } - if (icount->multiple && - !ext2fs_test_inode_bitmap(icount->multiple, ino)) { - *ret = 0; - return 0; - } - el = get_icount_el(icount, ino, 0); - if (!el) { - *ret = 0; - return 0; - } - *ret = el->count; - return 0; -} - -errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret) -{ - struct ext2_icount_el *el; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - if (ext2fs_test_inode_bitmap(icount->single, ino)) { - /* - * If the existing count is 1, then we know there is - * no entry in the list. - */ - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - ext2fs_unmark_inode_bitmap(icount->single, ino); - el->count = 2; - } else if (icount->multiple) { - /* - * The count is either zero or greater than 1; if the - * inode is set in icount->multiple, then there should - * be an entry in the list, so find it using - * get_icount_el(). - */ - if (ext2fs_test_inode_bitmap(icount->multiple, ino)) { - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->count++; - } else { - /* - * The count was zero; mark the single bitmap - * and return. - */ - zero_count: - ext2fs_mark_inode_bitmap(icount->single, ino); - if (ret) - *ret = 1; - return 0; - } - } else { - /* - * The count is either zero or greater than 1; try to - * find an entry in the list to determine which. - */ - el = get_icount_el(icount, ino, 0); - if (!el) { - /* No entry means the count was zero */ - goto zero_count; - } - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->count++; - } - if (icount->multiple) - ext2fs_mark_inode_bitmap(icount->multiple, ino); - if (ret) - *ret = el->count; - return 0; -} - -errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, - __u16 *ret) -{ - struct ext2_icount_el *el; - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (ext2fs_test_inode_bitmap(icount->single, ino)) { - ext2fs_unmark_inode_bitmap(icount->single, ino); - if (icount->multiple) - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - else { - el = get_icount_el(icount, ino, 0); - if (el) - el->count = 0; - } - if (ret) - *ret = 0; - return 0; - } - - if (icount->multiple && - !ext2fs_test_inode_bitmap(icount->multiple, ino)) - return EXT2_ET_INVALID_ARGUMENT; - - el = get_icount_el(icount, ino, 0); - if (!el || el->count == 0) - return EXT2_ET_INVALID_ARGUMENT; - - el->count--; - if (el->count == 1) - ext2fs_mark_inode_bitmap(icount->single, ino); - if ((el->count == 0) && icount->multiple) - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - - if (ret) - *ret = el->count; - return 0; -} - -errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, - __u16 count) -{ - struct ext2_icount_el *el; - - if (!ino || (ino > icount->num_inodes)) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(icount, EXT2_ET_MAGIC_ICOUNT); - - if (count == 1) { - ext2fs_mark_inode_bitmap(icount->single, ino); - if (icount->multiple) - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - return 0; - } - if (count == 0) { - ext2fs_unmark_inode_bitmap(icount->single, ino); - if (icount->multiple) { - /* - * If the icount->multiple bitmap is enabled, - * we can just clear both bitmaps and we're done - */ - ext2fs_unmark_inode_bitmap(icount->multiple, ino); - } else { - el = get_icount_el(icount, ino, 0); - if (el) - el->count = 0; - } - return 0; - } - - /* - * Get the icount element - */ - el = get_icount_el(icount, ino, 1); - if (!el) - return EXT2_ET_NO_MEMORY; - el->count = count; - ext2fs_unmark_inode_bitmap(icount->single, ino); - if (icount->multiple) - ext2fs_mark_inode_bitmap(icount->multiple, ino); - return 0; -} - -ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount) -{ - if (!icount || icount->magic != EXT2_ET_MAGIC_ICOUNT) - return 0; - - return icount->size; -} diff --git a/e2fsprogs/ext2fs/imager.c b/e2fsprogs/ext2fs/imager.c deleted file mode 100644 index e82321efa..000000000 --- a/e2fsprogs/ext2fs/imager.c +++ /dev/null @@ -1,377 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * image.c --- writes out the critical parts of the filesystem as a - * flat file. - * - * Copyright (C) 2000 Theodore Ts'o. - * - * Note: this uses the POSIX IO interfaces, unlike most of the other - * functions in this library. So sue me. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef HAVE_TYPE_SSIZE_T -typedef int ssize_t; -#endif - -/* - * This function returns 1 if the specified block is all zeros - */ -static int check_zero_block(char *buf, int blocksize) -{ - char *cp = buf; - int left = blocksize; - - while (left > 0) { - if (*cp++) - return 0; - left--; - } - return 1; -} - -/* - * Write the inode table out as a single block. - */ -#define BUF_BLOCKS 32 - -errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags) -{ - unsigned int group, left, c, d; - char *buf, *cp; - blk_t blk; - ssize_t actual; - errcode_t retval; - - buf = xmalloc(fs->blocksize * BUF_BLOCKS); - - for (group = 0; group < fs->group_desc_count; group++) { - blk = fs->group_desc[(unsigned)group].bg_inode_table; - if (!blk) - return EXT2_ET_MISSING_INODE_TABLE; - left = fs->inode_blocks_per_group; - while (left) { - c = BUF_BLOCKS; - if (c > left) - c = left; - retval = io_channel_read_blk(fs->io, blk, c, buf); - if (retval) - goto errout; - cp = buf; - while (c) { - if (!(flags & IMAGER_FLAG_SPARSEWRITE)) { - d = c; - goto skip_sparse; - } - /* Skip zero blocks */ - if (check_zero_block(cp, fs->blocksize)) { - c--; - blk++; - left--; - cp += fs->blocksize; - lseek(fd, fs->blocksize, SEEK_CUR); - continue; - } - /* Find non-zero blocks */ - for (d=1; d < c; d++) { - if (check_zero_block(cp + d*fs->blocksize, fs->blocksize)) - break; - } - skip_sparse: - actual = write(fd, cp, fs->blocksize * d); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) (fs->blocksize * d)) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - blk += d; - left -= d; - cp += fs->blocksize * d; - c -= d; - } - } - } - retval = 0; - -errout: - free(buf); - return retval; -} - -/* - * Read in the inode table and stuff it into place - */ -errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, - int flags EXT2FS_ATTR((unused))) -{ - unsigned int group, c, left; - char *buf; - blk_t blk; - ssize_t actual; - errcode_t retval; - - buf = xmalloc(fs->blocksize * BUF_BLOCKS); - - for (group = 0; group < fs->group_desc_count; group++) { - blk = fs->group_desc[(unsigned)group].bg_inode_table; - if (!blk) { - retval = EXT2_ET_MISSING_INODE_TABLE; - goto errout; - } - left = fs->inode_blocks_per_group; - while (left) { - c = BUF_BLOCKS; - if (c > left) - c = left; - actual = read(fd, buf, fs->blocksize * c); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) (fs->blocksize * c)) { - retval = EXT2_ET_SHORT_READ; - goto errout; - } - retval = io_channel_write_blk(fs->io, blk, c, buf); - if (retval) - goto errout; - - blk += c; - left -= c; - } - } - retval = ext2fs_flush_icache(fs); - -errout: - free(buf); - return retval; -} - -/* - * Write out superblock and group descriptors - */ -errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, - int flags EXT2FS_ATTR((unused))) -{ - char *buf, *cp; - ssize_t actual; - errcode_t retval; - - buf = xmalloc(fs->blocksize); - - /* - * Write out the superblock - */ - memset(buf, 0, fs->blocksize); - memcpy(buf, fs->super, SUPERBLOCK_SIZE); - actual = write(fd, buf, fs->blocksize); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) fs->blocksize) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - - /* - * Now write out the block group descriptors - */ - cp = (char *) fs->group_desc; - actual = write(fd, cp, fs->blocksize * fs->desc_blocks); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != (ssize_t) (fs->blocksize * fs->desc_blocks)) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - - retval = 0; - -errout: - free(buf); - return retval; -} - -/* - * Read the superblock and group descriptors and overwrite them. - */ -errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, - int flags EXT2FS_ATTR((unused))) -{ - char *buf; - ssize_t actual, size; - errcode_t retval; - - size = fs->blocksize * (fs->group_desc_count + 1); - buf = xmalloc(size); - - /* - * Read it all in. - */ - actual = read(fd, buf, size); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != size) { - retval = EXT2_ET_SHORT_READ; - goto errout; - } - - /* - * Now copy in the superblock and group descriptors - */ - memcpy(fs->super, buf, SUPERBLOCK_SIZE); - - memcpy(fs->group_desc, buf + fs->blocksize, - fs->blocksize * fs->group_desc_count); - - retval = 0; - -errout: - free(buf); - return retval; -} - -/* - * Write the block/inode bitmaps. - */ -errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags) -{ - char *ptr; - int c, size; - char zero_buf[1024]; - ssize_t actual; - errcode_t retval; - - if (flags & IMAGER_FLAG_INODEMAP) { - if (!fs->inode_map) { - retval = ext2fs_read_inode_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->inode_map->bitmap; - size = (EXT2_INODES_PER_GROUP(fs->super) / 8); - } else { - if (!fs->block_map) { - retval = ext2fs_read_block_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->block_map->bitmap; - size = EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - } - size = size * fs->group_desc_count; - - actual = write(fd, ptr, size); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != size) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - size = size % fs->blocksize; - memset(zero_buf, 0, sizeof(zero_buf)); - if (size) { - size = fs->blocksize - size; - while (size) { - c = size; - if (c > (int) sizeof(zero_buf)) - c = sizeof(zero_buf); - actual = write(fd, zero_buf, c); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != c) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - size -= c; - } - } - retval = 0; -errout: - return retval; -} - - -/* - * Read the block/inode bitmaps. - */ -errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags) -{ - char *ptr, *buf = 0; - int size; - ssize_t actual; - errcode_t retval; - - if (flags & IMAGER_FLAG_INODEMAP) { - if (!fs->inode_map) { - retval = ext2fs_read_inode_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->inode_map->bitmap; - size = (EXT2_INODES_PER_GROUP(fs->super) / 8); - } else { - if (!fs->block_map) { - retval = ext2fs_read_block_bitmap(fs); - if (retval) - return retval; - } - ptr = fs->block_map->bitmap; - size = EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - } - size = size * fs->group_desc_count; - - buf = xmalloc(size); - - actual = read(fd, buf, size); - if (actual == -1) { - retval = errno; - goto errout; - } - if (actual != size) { - retval = EXT2_ET_SHORT_WRITE; - goto errout; - } - memcpy(ptr, buf, size); - - retval = 0; -errout: - free(buf); - return retval; -} diff --git a/e2fsprogs/ext2fs/ind_block.c b/e2fsprogs/ext2fs/ind_block.c deleted file mode 100644 index c86a1c59a..000000000 --- a/e2fsprogs/ext2fs/ind_block.c +++ /dev/null @@ -1,71 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ind_block.c --- indirect block I/O routines - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - * 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf) -{ - errcode_t retval; -#if BB_BIG_ENDIAN - blk_t *block_nr; - int i; - int limit = fs->blocksize >> 2; -#endif - - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) && - (fs->io != fs->image_io)) - memset(buf, 0, fs->blocksize); - else { - retval = io_channel_read_blk(fs->io, blk, 1, buf); - if (retval) - return retval; - } -#if BB_BIG_ENDIAN - if (fs->flags & (EXT2_FLAG_SWAP_BYTES | EXT2_FLAG_SWAP_BYTES_READ)) { - block_nr = (blk_t *) buf; - for (i = 0; i < limit; i++, block_nr++) - *block_nr = ext2fs_swab32(*block_nr); - } -#endif - return 0; -} - -errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf) -{ -#if BB_BIG_ENDIAN - blk_t *block_nr; - int i; - int limit = fs->blocksize >> 2; -#endif - - if (fs->flags & EXT2_FLAG_IMAGE_FILE) - return 0; - -#if BB_BIG_ENDIAN - if (fs->flags & (EXT2_FLAG_SWAP_BYTES | EXT2_FLAG_SWAP_BYTES_WRITE)) { - block_nr = (blk_t *) buf; - for (i = 0; i < limit; i++, block_nr++) - *block_nr = ext2fs_swab32(*block_nr); - } -#endif - return io_channel_write_blk(fs->io, blk, 1, buf); -} - - diff --git a/e2fsprogs/ext2fs/initialize.c b/e2fsprogs/ext2fs/initialize.c deleted file mode 100644 index ef1d34379..000000000 --- a/e2fsprogs/ext2fs/initialize.c +++ /dev/null @@ -1,388 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * initialize.c --- initialize a filesystem handle given superblock - * parameters. Used by mke2fs when initializing a filesystem. - * - * Copyright (C) 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#if defined(__linux__) && defined(EXT2_OS_LINUX) -#define CREATOR_OS EXT2_OS_LINUX -#else -#if defined(__GNU__) && defined(EXT2_OS_HURD) -#define CREATOR_OS EXT2_OS_HURD -#else -#if defined(__FreeBSD__) && defined(EXT2_OS_FREEBSD) -#define CREATOR_OS EXT2_OS_FREEBSD -#else -#if defined(LITES) && defined(EXT2_OS_LITES) -#define CREATOR_OS EXT2_OS_LITES -#else -#define CREATOR_OS EXT2_OS_LINUX /* by default */ -#endif /* defined(LITES) && defined(EXT2_OS_LITES) */ -#endif /* defined(__FreeBSD__) && defined(EXT2_OS_FREEBSD) */ -#endif /* defined(__GNU__) && defined(EXT2_OS_HURD) */ -#endif /* defined(__linux__) && defined(EXT2_OS_LINUX) */ - -/* - * Note we override the kernel include file's idea of what the default - * check interval (never) should be. It's a good idea to check at - * least *occasionally*, specially since servers will never rarely get - * to reboot, since Linux is so robust these days. :-) - * - * 180 days (six months) seems like a good value. - */ -#ifdef EXT2_DFL_CHECKINTERVAL -#undef EXT2_DFL_CHECKINTERVAL -#endif -#define EXT2_DFL_CHECKINTERVAL (86400L * 180L) - -/* - * Calculate the number of GDT blocks to reserve for online filesystem growth. - * The absolute maximum number of GDT blocks we can reserve is determined by - * the number of block pointers that can fit into a single block. - */ -static int calc_reserved_gdt_blocks(ext2_filsys fs) -{ - struct ext2_super_block *sb = fs->super; - unsigned long bpg = sb->s_blocks_per_group; - unsigned int gdpb = fs->blocksize / sizeof(struct ext2_group_desc); - unsigned long max_blocks = 0xffffffff; - unsigned long rsv_groups; - int rsv_gdb; - - /* We set it at 1024x the current filesystem size, or - * the upper block count limit (2^32), whichever is lower. - */ - if (sb->s_blocks_count < max_blocks / 1024) - max_blocks = sb->s_blocks_count * 1024; - rsv_groups = (max_blocks - sb->s_first_data_block + bpg - 1) / bpg; - rsv_gdb = (rsv_groups + gdpb - 1) / gdpb - fs->desc_blocks; - if (rsv_gdb > EXT2_ADDR_PER_BLOCK(sb)) - rsv_gdb = EXT2_ADDR_PER_BLOCK(sb); -#ifdef RES_GDT_DEBUG - printf("max_blocks %lu, rsv_groups = %lu, rsv_gdb = %lu\n", - max_blocks, rsv_groups, rsv_gdb); -#endif - - return rsv_gdb; -} - -errcode_t ext2fs_initialize(const char *name, int flags, - struct ext2_super_block *param, - io_manager manager, ext2_filsys *ret_fs) -{ - ext2_filsys fs; - errcode_t retval; - struct ext2_super_block *super; - int frags_per_block; - unsigned int rem; - unsigned int overhead = 0; - blk_t group_block; - unsigned int ipg; - dgrp_t i; - blk_t numblocks; - int rsv_gdt; - char *buf; - - if (!param || !param->s_blocks_count) - return EXT2_ET_INVALID_ARGUMENT; - - retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); - if (retval) - return retval; - - memset(fs, 0, sizeof(struct struct_ext2_filsys)); - fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS; - fs->flags = flags | EXT2_FLAG_RW; - fs->umask = 022; -#ifdef WORDS_BIGENDIAN - fs->flags |= EXT2_FLAG_SWAP_BYTES; -#endif - retval = manager->open(name, IO_FLAG_RW, &fs->io); - if (retval) - goto cleanup; - fs->image_io = fs->io; - fs->io->app_data = fs; - retval = ext2fs_get_mem(strlen(name)+1, &fs->device_name); - if (retval) - goto cleanup; - - strcpy(fs->device_name, name); - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &super); - if (retval) - goto cleanup; - fs->super = super; - - memset(super, 0, SUPERBLOCK_SIZE); - -#define set_field(field, default) (super->field = param->field ? \ - param->field : (default)) - - super->s_magic = EXT2_SUPER_MAGIC; - super->s_state = EXT2_VALID_FS; - - set_field(s_log_block_size, 0); /* default blocksize: 1024 bytes */ - set_field(s_log_frag_size, 0); /* default fragsize: 1024 bytes */ - set_field(s_first_data_block, super->s_log_block_size ? 0 : 1); - set_field(s_max_mnt_count, EXT2_DFL_MAX_MNT_COUNT); - set_field(s_errors, EXT2_ERRORS_DEFAULT); - set_field(s_feature_compat, 0); - set_field(s_feature_incompat, 0); - set_field(s_feature_ro_compat, 0); - set_field(s_first_meta_bg, 0); - if (super->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP) { - retval = EXT2_ET_UNSUPP_FEATURE; - goto cleanup; - } - if (super->s_feature_ro_compat & ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP) { - retval = EXT2_ET_RO_UNSUPP_FEATURE; - goto cleanup; - } - - set_field(s_rev_level, EXT2_GOOD_OLD_REV); - if (super->s_rev_level >= EXT2_DYNAMIC_REV) { - set_field(s_first_ino, EXT2_GOOD_OLD_FIRST_INO); - set_field(s_inode_size, EXT2_GOOD_OLD_INODE_SIZE); - } - - set_field(s_checkinterval, EXT2_DFL_CHECKINTERVAL); - super->s_mkfs_time = super->s_lastcheck = time(NULL); - - super->s_creator_os = CREATOR_OS; - - fs->blocksize = EXT2_BLOCK_SIZE(super); - fs->fragsize = EXT2_FRAG_SIZE(super); - frags_per_block = fs->blocksize / fs->fragsize; - - /* default: (fs->blocksize*8) blocks/group, up to 2^16 (GDT limit) */ - set_field(s_blocks_per_group, fs->blocksize * 8); - if (super->s_blocks_per_group > EXT2_MAX_BLOCKS_PER_GROUP(super)) - super->s_blocks_per_group = EXT2_MAX_BLOCKS_PER_GROUP(super); - super->s_frags_per_group = super->s_blocks_per_group * frags_per_block; - - super->s_blocks_count = param->s_blocks_count; - super->s_r_blocks_count = param->s_r_blocks_count; - if (super->s_r_blocks_count >= param->s_blocks_count) { - retval = EXT2_ET_INVALID_ARGUMENT; - goto cleanup; - } - - /* - * If we're creating an external journal device, we don't need - * to bother with the rest. - */ - if (super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - fs->group_desc_count = 0; - ext2fs_mark_super_dirty(fs); - *ret_fs = fs; - return 0; - } - -retry: - fs->group_desc_count = (super->s_blocks_count - - super->s_first_data_block + - EXT2_BLOCKS_PER_GROUP(super) - 1) - / EXT2_BLOCKS_PER_GROUP(super); - if (fs->group_desc_count == 0) { - retval = EXT2_ET_TOOSMALL; - goto cleanup; - } - fs->desc_blocks = (fs->group_desc_count + - EXT2_DESC_PER_BLOCK(super) - 1) - / EXT2_DESC_PER_BLOCK(super); - - i = fs->blocksize >= 4096 ? 1 : 4096 / fs->blocksize; - set_field(s_inodes_count, super->s_blocks_count / i); - - /* - * Make sure we have at least EXT2_FIRST_INO + 1 inodes, so - * that we have enough inodes for the filesystem(!) - */ - if (super->s_inodes_count < EXT2_FIRST_INODE(super)+1) - super->s_inodes_count = EXT2_FIRST_INODE(super)+1; - - /* - * There should be at least as many inodes as the user - * requested. Figure out how many inodes per group that - * should be. But make sure that we don't allocate more than - * one bitmap's worth of inodes each group. - */ - ipg = (super->s_inodes_count + fs->group_desc_count - 1) / - fs->group_desc_count; - if (ipg > fs->blocksize * 8) { - if (super->s_blocks_per_group >= 256) { - /* Try again with slightly different parameters */ - super->s_blocks_per_group -= 8; - super->s_blocks_count = param->s_blocks_count; - super->s_frags_per_group = super->s_blocks_per_group * - frags_per_block; - goto retry; - } else - return EXT2_ET_TOO_MANY_INODES; - } - - if (ipg > (unsigned) EXT2_MAX_INODES_PER_GROUP(super)) - ipg = EXT2_MAX_INODES_PER_GROUP(super); - - super->s_inodes_per_group = ipg; - if (super->s_inodes_count > ipg * fs->group_desc_count) - super->s_inodes_count = ipg * fs->group_desc_count; - - /* - * Make sure the number of inodes per group completely fills - * the inode table blocks in the descriptor. If not, add some - * additional inodes/group. Waste not, want not... - */ - fs->inode_blocks_per_group = (((super->s_inodes_per_group * - EXT2_INODE_SIZE(super)) + - EXT2_BLOCK_SIZE(super) - 1) / - EXT2_BLOCK_SIZE(super)); - super->s_inodes_per_group = ((fs->inode_blocks_per_group * - EXT2_BLOCK_SIZE(super)) / - EXT2_INODE_SIZE(super)); - /* - * Finally, make sure the number of inodes per group is a - * multiple of 8. This is needed to simplify the bitmap - * splicing code. - */ - super->s_inodes_per_group &= ~7; - fs->inode_blocks_per_group = (((super->s_inodes_per_group * - EXT2_INODE_SIZE(super)) + - EXT2_BLOCK_SIZE(super) - 1) / - EXT2_BLOCK_SIZE(super)); - - /* - * adjust inode count to reflect the adjusted inodes_per_group - */ - super->s_inodes_count = super->s_inodes_per_group * - fs->group_desc_count; - super->s_free_inodes_count = super->s_inodes_count; - - /* - * check the number of reserved group descriptor table blocks - */ - if (super->s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) - rsv_gdt = calc_reserved_gdt_blocks(fs); - else - rsv_gdt = 0; - set_field(s_reserved_gdt_blocks, rsv_gdt); - if (super->s_reserved_gdt_blocks > EXT2_ADDR_PER_BLOCK(super)) { - retval = EXT2_ET_RES_GDT_BLOCKS; - goto cleanup; - } - - /* - * Overhead is the number of bookkeeping blocks per group. It - * includes the superblock backup, the group descriptor - * backups, the inode bitmap, the block bitmap, and the inode - * table. - */ - - overhead = (int) (2 + fs->inode_blocks_per_group); - - if (ext2fs_bg_has_super(fs, fs->group_desc_count - 1)) - overhead += 1 + fs->desc_blocks + super->s_reserved_gdt_blocks; - - /* This can only happen if the user requested too many inodes */ - if (overhead > super->s_blocks_per_group) - return EXT2_ET_TOO_MANY_INODES; - - /* - * See if the last group is big enough to support the - * necessary data structures. If not, we need to get rid of - * it. - */ - rem = ((super->s_blocks_count - super->s_first_data_block) % - super->s_blocks_per_group); - if ((fs->group_desc_count == 1) && rem && (rem < overhead)) - return EXT2_ET_TOOSMALL; - if (rem && (rem < overhead+50)) { - super->s_blocks_count -= rem; - goto retry; - } - - /* - * At this point we know how big the filesystem will be. So - * we can do any and all allocations that depend on the block - * count. - */ - - retval = ext2fs_get_mem(strlen(fs->device_name) + 80, &buf); - if (retval) - goto cleanup; - - sprintf(buf, "block bitmap for %s", fs->device_name); - retval = ext2fs_allocate_block_bitmap(fs, buf, &fs->block_map); - if (retval) - goto cleanup; - - sprintf(buf, "inode bitmap for %s", fs->device_name); - retval = ext2fs_allocate_inode_bitmap(fs, buf, &fs->inode_map); - if (retval) - goto cleanup; - - ext2fs_free_mem(&buf); - - retval = ext2fs_get_mem((size_t) fs->desc_blocks * fs->blocksize, - &fs->group_desc); - if (retval) - goto cleanup; - - memset(fs->group_desc, 0, (size_t) fs->desc_blocks * fs->blocksize); - - /* - * Reserve the superblock and group descriptors for each - * group, and fill in the correct group statistics for group. - * Note that although the block bitmap, inode bitmap, and - * inode table have not been allocated (and in fact won't be - * by this routine), they are accounted for nevertheless. - */ - group_block = super->s_first_data_block; - super->s_free_blocks_count = 0; - for (i = 0; i < fs->group_desc_count; i++) { - numblocks = ext2fs_reserve_super_and_bgd(fs, i, fs->block_map); - - super->s_free_blocks_count += numblocks; - fs->group_desc[i].bg_free_blocks_count = numblocks; - fs->group_desc[i].bg_free_inodes_count = - fs->super->s_inodes_per_group; - fs->group_desc[i].bg_used_dirs_count = 0; - - group_block += super->s_blocks_per_group; - } - - ext2fs_mark_super_dirty(fs); - ext2fs_mark_bb_dirty(fs); - ext2fs_mark_ib_dirty(fs); - - io_channel_set_blksize(fs->io, fs->blocksize); - - *ret_fs = fs; - return 0; -cleanup: - ext2fs_free(fs); - return retval; -} diff --git a/e2fsprogs/ext2fs/inline.c b/e2fsprogs/ext2fs/inline.c deleted file mode 100644 index 9b620a772..000000000 --- a/e2fsprogs/ext2fs/inline.c +++ /dev/null @@ -1,33 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inline.c --- Includes the inlined functions defined in the header - * files as standalone functions, in case the application program - * is compiled with inlining turned off. - * - * Copyright (C) 1993, 1994 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#define INCLUDE_INLINE_FUNCS -#include "ext2fs.h" - diff --git a/e2fsprogs/ext2fs/inode.c b/e2fsprogs/ext2fs/inode.c deleted file mode 100644 index 2ff9fe6ca..000000000 --- a/e2fsprogs/ext2fs/inode.c +++ /dev/null @@ -1,768 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inode.c --- utility routines to read and write inodes - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fsP.h" -#include "e2image.h" - -struct ext2_struct_inode_scan { - errcode_t magic; - ext2_filsys fs; - ext2_ino_t current_inode; - blk_t current_block; - dgrp_t current_group; - ext2_ino_t inodes_left; - blk_t blocks_left; - dgrp_t groups_left; - blk_t inode_buffer_blocks; - char * inode_buffer; - int inode_size; - char * ptr; - int bytes_left; - char *temp_buffer; - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data); - void * done_group_data; - int bad_block_ptr; - int scan_flags; - int reserved[6]; -}; - -/* - * This routine flushes the icache, if it exists. - */ -errcode_t ext2fs_flush_icache(ext2_filsys fs) -{ - int i; - - if (!fs->icache) - return 0; - - for (i=0; i < fs->icache->cache_size; i++) - fs->icache->cache[i].ino = 0; - - fs->icache->buffer_blk = 0; - return 0; -} - -static errcode_t create_icache(ext2_filsys fs) -{ - errcode_t retval; - - if (fs->icache) - return 0; - retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache), &fs->icache); - if (retval) - return retval; - - memset(fs->icache, 0, sizeof(struct ext2_inode_cache)); - retval = ext2fs_get_mem(fs->blocksize, &fs->icache->buffer); - if (retval) { - ext2fs_free_mem(&fs->icache); - return retval; - } - fs->icache->buffer_blk = 0; - fs->icache->cache_last = -1; - fs->icache->cache_size = 4; - fs->icache->refcount = 1; - retval = ext2fs_get_mem(sizeof(struct ext2_inode_cache_ent) - * fs->icache->cache_size, - &fs->icache->cache); - if (retval) { - ext2fs_free_mem(&fs->icache->buffer); - ext2fs_free_mem(&fs->icache); - return retval; - } - ext2fs_flush_icache(fs); - return 0; -} - -errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, - ext2_inode_scan *ret_scan) -{ - ext2_inode_scan scan; - errcode_t retval; - errcode_t (*save_get_blocks)(ext2_filsys f, ext2_ino_t ino, blk_t *blocks); - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * If fs->badblocks isn't set, then set it --- since the inode - * scanning functions require it. - */ - if (fs->badblocks == 0) { - /* - * Temporarly save fs->get_blocks and set it to zero, - * for compatibility with old e2fsck's. - */ - save_get_blocks = fs->get_blocks; - fs->get_blocks = 0; - retval = ext2fs_read_bb_inode(fs, &fs->badblocks); - if (retval) { - ext2fs_badblocks_list_free(fs->badblocks); - fs->badblocks = 0; - } - fs->get_blocks = save_get_blocks; - } - - retval = ext2fs_get_mem(sizeof(struct ext2_struct_inode_scan), &scan); - if (retval) - return retval; - memset(scan, 0, sizeof(struct ext2_struct_inode_scan)); - - scan->magic = EXT2_ET_MAGIC_INODE_SCAN; - scan->fs = fs; - scan->inode_size = EXT2_INODE_SIZE(fs->super); - scan->bytes_left = 0; - scan->current_group = 0; - scan->groups_left = fs->group_desc_count - 1; - scan->inode_buffer_blocks = buffer_blocks ? buffer_blocks : 8; - scan->current_block = scan->fs-> - group_desc[scan->current_group].bg_inode_table; - scan->inodes_left = EXT2_INODES_PER_GROUP(scan->fs->super); - scan->blocks_left = scan->fs->inode_blocks_per_group; - retval = ext2fs_get_mem((size_t) (scan->inode_buffer_blocks * - fs->blocksize), - &scan->inode_buffer); - scan->done_group = 0; - scan->done_group_data = 0; - scan->bad_block_ptr = 0; - if (retval) { - ext2fs_free_mem(&scan); - return retval; - } - retval = ext2fs_get_mem(scan->inode_size, &scan->temp_buffer); - if (retval) { - ext2fs_free_mem(&scan->inode_buffer); - ext2fs_free_mem(&scan); - return retval; - } - if (scan->fs->badblocks && scan->fs->badblocks->num) - scan->scan_flags |= EXT2_SF_CHK_BADBLOCKS; - *ret_scan = scan; - return 0; -} - -void ext2fs_close_inode_scan(ext2_inode_scan scan) -{ - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return; - - ext2fs_free_mem(&scan->inode_buffer); - scan->inode_buffer = NULL; - ext2fs_free_mem(&scan->temp_buffer); - scan->temp_buffer = NULL; - ext2fs_free_mem(&scan); - return; -} - -void ext2fs_set_inode_callback(ext2_inode_scan scan, - errcode_t (*done_group)(ext2_filsys fs, - dgrp_t group, - void * priv_data), - void *done_group_data) -{ - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return; - - scan->done_group = done_group; - scan->done_group_data = done_group_data; -} - -int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, - int clear_flags) -{ - int old_flags; - - if (!scan || (scan->magic != EXT2_ET_MAGIC_INODE_SCAN)) - return 0; - - old_flags = scan->scan_flags; - scan->scan_flags &= ~clear_flags; - scan->scan_flags |= set_flags; - return old_flags; -} - -/* - * This function is called by ext2fs_get_next_inode when it needs to - * get ready to read in a new blockgroup. - */ -static errcode_t get_next_blockgroup(ext2_inode_scan scan) -{ - scan->current_group++; - scan->groups_left--; - - scan->current_block = scan->fs-> - group_desc[scan->current_group].bg_inode_table; - - scan->current_inode = scan->current_group * - EXT2_INODES_PER_GROUP(scan->fs->super); - - scan->bytes_left = 0; - scan->inodes_left = EXT2_INODES_PER_GROUP(scan->fs->super); - scan->blocks_left = scan->fs->inode_blocks_per_group; - return 0; -} - -errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, - int group) -{ - scan->current_group = group - 1; - scan->groups_left = scan->fs->group_desc_count - group; - return get_next_blockgroup(scan); -} - -/* - * This function is called by get_next_blocks() to check for bad - * blocks in the inode table. - * - * This function assumes that badblocks_list->list is sorted in - * increasing order. - */ -static errcode_t check_for_inode_bad_blocks(ext2_inode_scan scan, - blk_t *num_blocks) -{ - blk_t blk = scan->current_block; - badblocks_list bb = scan->fs->badblocks; - - /* - * If the inode table is missing, then obviously there are no - * bad blocks. :-) - */ - if (blk == 0) - return 0; - - /* - * If the current block is greater than the bad block listed - * in the bad block list, then advance the pointer until this - * is no longer the case. If we run out of bad blocks, then - * we don't need to do any more checking! - */ - while (blk > bb->list[scan->bad_block_ptr]) { - if (++scan->bad_block_ptr >= bb->num) { - scan->scan_flags &= ~EXT2_SF_CHK_BADBLOCKS; - return 0; - } - } - - /* - * If the current block is equal to the bad block listed in - * the bad block list, then handle that one block specially. - * (We could try to handle runs of bad blocks, but that - * only increases CPU efficiency by a small amount, at the - * expense of a huge expense of code complexity, and for an - * uncommon case at that.) - */ - if (blk == bb->list[scan->bad_block_ptr]) { - scan->scan_flags |= EXT2_SF_BAD_INODE_BLK; - *num_blocks = 1; - if (++scan->bad_block_ptr >= bb->num) - scan->scan_flags &= ~EXT2_SF_CHK_BADBLOCKS; - return 0; - } - - /* - * If there is a bad block in the range that we're about to - * read in, adjust the number of blocks to read so that we we - * don't read in the bad block. (Then the next block to read - * will be the bad block, which is handled in the above case.) - */ - if ((blk + *num_blocks) > bb->list[scan->bad_block_ptr]) - *num_blocks = (int) (bb->list[scan->bad_block_ptr] - blk); - - return 0; -} - -/* - * This function is called by ext2fs_get_next_inode when it needs to - * read in more blocks from the current blockgroup's inode table. - */ -static errcode_t get_next_blocks(ext2_inode_scan scan) -{ - blk_t num_blocks; - errcode_t retval; - - /* - * Figure out how many blocks to read; we read at most - * inode_buffer_blocks, and perhaps less if there aren't that - * many blocks left to read. - */ - num_blocks = scan->inode_buffer_blocks; - if (num_blocks > scan->blocks_left) - num_blocks = scan->blocks_left; - - /* - * If the past block "read" was a bad block, then mark the - * left-over extra bytes as also being bad. - */ - if (scan->scan_flags & EXT2_SF_BAD_INODE_BLK) { - if (scan->bytes_left) - scan->scan_flags |= EXT2_SF_BAD_EXTRA_BYTES; - scan->scan_flags &= ~EXT2_SF_BAD_INODE_BLK; - } - - /* - * Do inode bad block processing, if necessary. - */ - if (scan->scan_flags & EXT2_SF_CHK_BADBLOCKS) { - retval = check_for_inode_bad_blocks(scan, &num_blocks); - if (retval) - return retval; - } - - if ((scan->scan_flags & EXT2_SF_BAD_INODE_BLK) || - (scan->current_block == 0)) { - memset(scan->inode_buffer, 0, - (size_t) num_blocks * scan->fs->blocksize); - } else { - retval = io_channel_read_blk(scan->fs->io, - scan->current_block, - (int) num_blocks, - scan->inode_buffer); - if (retval) - return EXT2_ET_NEXT_INODE_READ; - } - scan->ptr = scan->inode_buffer; - scan->bytes_left = num_blocks * scan->fs->blocksize; - - scan->blocks_left -= num_blocks; - if (scan->current_block) - scan->current_block += num_blocks; - return 0; -} - -errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode, int bufsize) -{ - errcode_t retval; - int extra_bytes = 0; - - EXT2_CHECK_MAGIC(scan, EXT2_ET_MAGIC_INODE_SCAN); - - /* - * Do we need to start reading a new block group? - */ - if (scan->inodes_left <= 0) { - force_new_group: - if (scan->done_group) { - retval = (scan->done_group) - (scan->fs, scan->current_group, - scan->done_group_data); - if (retval) - return retval; - } - if (scan->groups_left <= 0) { - *ino = 0; - return 0; - } - retval = get_next_blockgroup(scan); - if (retval) - return retval; - } - /* - * This is done outside the above if statement so that the - * check can be done for block group #0. - */ - if (scan->current_block == 0) { - if (scan->scan_flags & EXT2_SF_SKIP_MISSING_ITABLE) { - goto force_new_group; - } else - return EXT2_ET_MISSING_INODE_TABLE; - } - - - /* - * Have we run out of space in the inode buffer? If so, we - * need to read in more blocks. - */ - if (scan->bytes_left < scan->inode_size) { - memcpy(scan->temp_buffer, scan->ptr, scan->bytes_left); - extra_bytes = scan->bytes_left; - - retval = get_next_blocks(scan); - if (retval) - return retval; -#if 0 - /* - * XXX test Need check for used inode somehow. - * (Note: this is hard.) - */ - if (is_empty_scan(scan)) - goto force_new_group; -#endif - } - - retval = 0; - if (extra_bytes) { - memcpy(scan->temp_buffer+extra_bytes, scan->ptr, - scan->inode_size - extra_bytes); - scan->ptr += scan->inode_size - extra_bytes; - scan->bytes_left -= scan->inode_size - extra_bytes; - -#if BB_BIG_ENDIAN - if ((scan->fs->flags & EXT2_FLAG_SWAP_BYTES) || - (scan->fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(scan->fs, - (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) scan->temp_buffer, - 0, bufsize); - else -#endif - *inode = *((struct ext2_inode *) scan->temp_buffer); - if (scan->scan_flags & EXT2_SF_BAD_EXTRA_BYTES) - retval = EXT2_ET_BAD_BLOCK_IN_INODE_TABLE; - scan->scan_flags &= ~EXT2_SF_BAD_EXTRA_BYTES; - } else { -#if BB_BIG_ENDIAN - if ((scan->fs->flags & EXT2_FLAG_SWAP_BYTES) || - (scan->fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(scan->fs, - (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) scan->ptr, - 0, bufsize); - else -#endif - memcpy(inode, scan->ptr, bufsize); - scan->ptr += scan->inode_size; - scan->bytes_left -= scan->inode_size; - if (scan->scan_flags & EXT2_SF_BAD_INODE_BLK) - retval = EXT2_ET_BAD_BLOCK_IN_INODE_TABLE; - } - - scan->inodes_left--; - scan->current_inode++; - *ino = scan->current_inode; - return retval; -} - -errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, - struct ext2_inode *inode) -{ - return ext2fs_get_next_inode_full(scan, ino, inode, - sizeof(struct ext2_inode)); -} - -/* - * Functions to read and write a single inode. - */ -errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, int bufsize) -{ - unsigned long group, block, block_nr, offset; - char *ptr; - errcode_t retval; - int clen, i, inodes_per_block, length; - io_channel io; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* Check to see if user has an override function */ - if (fs->read_inode) { - retval = (fs->read_inode)(fs, ino, inode); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - /* Create inode cache if not present */ - if (!fs->icache) { - retval = create_icache(fs); - if (retval) - return retval; - } - /* Check to see if it's in the inode cache */ - if (bufsize == sizeof(struct ext2_inode)) { - /* only old good inode can be retrieve from the cache */ - for (i=0; i < fs->icache->cache_size; i++) { - if (fs->icache->cache[i].ino == ino) { - *inode = fs->icache->cache[i].inode; - return 0; - } - } - } - if ((ino == 0) || (ino > fs->super->s_inodes_count)) - return EXT2_ET_BAD_INODE_NUM; - if (fs->flags & EXT2_FLAG_IMAGE_FILE) { - inodes_per_block = fs->blocksize / EXT2_INODE_SIZE(fs->super); - block_nr = fs->image_header->offset_inode / fs->blocksize; - block_nr += (ino - 1) / inodes_per_block; - offset = ((ino - 1) % inodes_per_block) * - EXT2_INODE_SIZE(fs->super); - io = fs->image_io; - } else { - group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super); - offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) * - EXT2_INODE_SIZE(fs->super); - block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (!fs->group_desc[(unsigned)group].bg_inode_table) - return EXT2_ET_MISSING_INODE_TABLE; - block_nr = fs->group_desc[(unsigned)group].bg_inode_table + - block; - io = fs->io; - } - offset &= (EXT2_BLOCK_SIZE(fs->super) - 1); - - length = EXT2_INODE_SIZE(fs->super); - if (bufsize < length) - length = bufsize; - - ptr = (char *) inode; - while (length) { - clen = length; - if ((offset + length) > fs->blocksize) - clen = fs->blocksize - offset; - - if (block_nr != fs->icache->buffer_blk) { - retval = io_channel_read_blk(io, block_nr, 1, - fs->icache->buffer); - if (retval) - return retval; - fs->icache->buffer_blk = block_nr; - } - - memcpy(ptr, ((char *) fs->icache->buffer) + (unsigned) offset, - clen); - - offset = 0; - length -= clen; - ptr += clen; - block_nr++; - } - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ)) - ext2fs_swap_inode_full(fs, (struct ext2_inode_large *) inode, - (struct ext2_inode_large *) inode, - 0, length); -#endif - - /* Update the inode cache */ - fs->icache->cache_last = (fs->icache->cache_last + 1) % - fs->icache->cache_size; - fs->icache->cache[fs->icache->cache_last].ino = ino; - fs->icache->cache[fs->icache->cache_last].inode = *inode; - - return 0; -} - -errcode_t ext2fs_read_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode) -{ - return ext2fs_read_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); -} - -errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode * inode, int bufsize) -{ - unsigned long group, block, block_nr, offset; - errcode_t retval = 0; - struct ext2_inode_large temp_inode, *w_inode; - char *ptr; - int clen, i, length; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* Check to see if user provided an override function */ - if (fs->write_inode) { - retval = (fs->write_inode)(fs, ino, inode); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - - /* Check to see if the inode cache needs to be updated */ - if (fs->icache) { - for (i=0; i < fs->icache->cache_size; i++) { - if (fs->icache->cache[i].ino == ino) { - fs->icache->cache[i].inode = *inode; - break; - } - } - } else { - retval = create_icache(fs); - if (retval) - return retval; - } - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - if ((ino == 0) || (ino > fs->super->s_inodes_count)) - return EXT2_ET_BAD_INODE_NUM; - - length = bufsize; - if (length < EXT2_INODE_SIZE(fs->super)) - length = EXT2_INODE_SIZE(fs->super); - - if (length > (int) sizeof(struct ext2_inode_large)) { - w_inode = xmalloc(length); - } else - w_inode = &temp_inode; - memset(w_inode, 0, length); - -#if BB_BIG_ENDIAN - if ((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE)) - ext2fs_swap_inode_full(fs, w_inode, - (struct ext2_inode_large *) inode, - 1, bufsize); - else -#endif - memcpy(w_inode, inode, bufsize); - - group = (ino - 1) / EXT2_INODES_PER_GROUP(fs->super); - offset = ((ino - 1) % EXT2_INODES_PER_GROUP(fs->super)) * - EXT2_INODE_SIZE(fs->super); - block = offset >> EXT2_BLOCK_SIZE_BITS(fs->super); - if (!fs->group_desc[(unsigned) group].bg_inode_table) - return EXT2_ET_MISSING_INODE_TABLE; - block_nr = fs->group_desc[(unsigned) group].bg_inode_table + block; - - offset &= (EXT2_BLOCK_SIZE(fs->super) - 1); - - length = EXT2_INODE_SIZE(fs->super); - if (length > bufsize) - length = bufsize; - - ptr = (char *) w_inode; - - while (length) { - clen = length; - if ((offset + length) > fs->blocksize) - clen = fs->blocksize - offset; - - if (fs->icache->buffer_blk != block_nr) { - retval = io_channel_read_blk(fs->io, block_nr, 1, - fs->icache->buffer); - if (retval) - goto errout; - fs->icache->buffer_blk = block_nr; - } - - - memcpy((char *) fs->icache->buffer + (unsigned) offset, - ptr, clen); - - retval = io_channel_write_blk(fs->io, block_nr, 1, - fs->icache->buffer); - if (retval) - goto errout; - - offset = 0; - ptr += clen; - length -= clen; - block_nr++; - } - - fs->flags |= EXT2_FLAG_CHANGED; -errout: - if (w_inode && w_inode != &temp_inode) - free(w_inode); - return retval; -} - -errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - return ext2fs_write_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); -} - -/* - * This function should be called when writing a new inode. It makes - * sure that extra part of large inodes is initialized properly. - */ -errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode) -{ - struct ext2_inode *buf; - int size = EXT2_INODE_SIZE(fs->super); - struct ext2_inode_large *large_inode; - - if (size == sizeof(struct ext2_inode)) - return ext2fs_write_inode_full(fs, ino, inode, - sizeof(struct ext2_inode)); - - buf = xmalloc(size); - - memset(buf, 0, size); - *buf = *inode; - - large_inode = (struct ext2_inode_large *) buf; - large_inode->i_extra_isize = sizeof(struct ext2_inode_large) - - EXT2_GOOD_OLD_INODE_SIZE; - - return ext2fs_write_inode_full(fs, ino, buf, size); -} - - -errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks) -{ - struct ext2_inode inode; - int i; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (ino > fs->super->s_inodes_count) - return EXT2_ET_BAD_INODE_NUM; - - if (fs->get_blocks) { - if (!(*fs->get_blocks)(fs, ino, blocks)) - return 0; - } - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - for (i=0; i < EXT2_N_BLOCKS; i++) - blocks[i] = inode.i_block[i]; - return 0; -} - -errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino) -{ - struct ext2_inode inode; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (ino > fs->super->s_inodes_count) - return EXT2_ET_BAD_INODE_NUM; - - if (fs->check_directory) { - retval = (fs->check_directory)(fs, ino); - if (retval != EXT2_ET_CALLBACK_NOTHANDLED) - return retval; - } - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - return retval; - if (!LINUX_S_ISDIR(inode.i_mode)) - return EXT2_ET_NO_DIRECTORY; - return 0; -} - diff --git a/e2fsprogs/ext2fs/inode_io.c b/e2fsprogs/ext2fs/inode_io.c deleted file mode 100644 index 4bfa93aef..000000000 --- a/e2fsprogs/ext2fs/inode_io.c +++ /dev/null @@ -1,271 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * inode_io.c --- This is allows an inode in an ext2 filesystem image - * to be accessed via the I/O manager interface. - * - * Copyright (C) 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - -struct inode_private_data { - int magic; - char name[32]; - ext2_file_t file; - ext2_filsys fs; - ext2_ino_t ino; - struct ext2_inode inode; - int flags; - struct inode_private_data *next; -}; - -#define CHANNEL_HAS_INODE 0x8000 - -static struct inode_private_data *top_intern; -static int ino_unique = 0; - -static errcode_t inode_open(const char *name, int flags, io_channel *channel); -static errcode_t inode_close(io_channel channel); -static errcode_t inode_set_blksize(io_channel channel, int blksize); -static errcode_t inode_read_blk(io_channel channel, unsigned long block, - int count, void *data); -static errcode_t inode_write_blk(io_channel channel, unsigned long block, - int count, const void *data); -static errcode_t inode_flush(io_channel channel); -static errcode_t inode_write_byte(io_channel channel, unsigned long offset, - int size, const void *data); - -static struct struct_io_manager struct_inode_manager = { - EXT2_ET_MAGIC_IO_MANAGER, - "Inode I/O Manager", - inode_open, - inode_close, - inode_set_blksize, - inode_read_blk, - inode_write_blk, - inode_flush, - inode_write_byte -}; - -io_manager inode_io_manager = &struct_inode_manager; - -errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, - struct ext2_inode *inode, - char **name) -{ - struct inode_private_data *data; - errcode_t retval; - - if ((retval = ext2fs_get_mem(sizeof(struct inode_private_data), - &data))) - return retval; - data->magic = EXT2_ET_MAGIC_INODE_IO_CHANNEL; - sprintf(data->name, "%u:%d", ino, ino_unique++); - data->file = 0; - data->fs = fs; - data->ino = ino; - data->flags = 0; - if (inode) { - memcpy(&data->inode, inode, sizeof(struct ext2_inode)); - data->flags |= CHANNEL_HAS_INODE; - } - data->next = top_intern; - top_intern = data; - *name = data->name; - return 0; -} - -errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, - char **name) -{ - return ext2fs_inode_io_intern2(fs, ino, NULL, name); -} - - -static errcode_t inode_open(const char *name, int flags, io_channel *channel) -{ - io_channel io = NULL; - struct inode_private_data *prev, *data = NULL; - errcode_t retval; - int open_flags; - - if (name == 0) - return EXT2_ET_BAD_DEVICE_NAME; - - for (data = top_intern, prev = NULL; data; - prev = data, data = data->next) - if (strcmp(name, data->name) == 0) - break; - if (!data) - return ENOENT; - if (prev) - prev->next = data->next; - else - top_intern = data->next; - - retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); - if (retval) - goto cleanup; - memset(io, 0, sizeof(struct struct_io_channel)); - - io->magic = EXT2_ET_MAGIC_IO_CHANNEL; - io->manager = inode_io_manager; - retval = ext2fs_get_mem(strlen(name)+1, &io->name); - if (retval) - goto cleanup; - - strcpy(io->name, name); - io->private_data = data; - io->block_size = 1024; - io->read_error = 0; - io->write_error = 0; - io->refcount = 1; - - open_flags = (flags & IO_FLAG_RW) ? EXT2_FILE_WRITE : 0; - retval = ext2fs_file_open2(data->fs, data->ino, - (data->flags & CHANNEL_HAS_INODE) ? - &data->inode : 0, open_flags, - &data->file); - if (retval) - goto cleanup; - - *channel = io; - return 0; - -cleanup: - if (data) { - ext2fs_free_mem(&data); - } - if (io) - ext2fs_free_mem(&io); - return retval; -} - -static errcode_t inode_close(io_channel channel) -{ - struct inode_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if (--channel->refcount > 0) - return 0; - - retval = ext2fs_file_close(data->file); - - ext2fs_free_mem(&channel->private_data); - if (channel->name) - ext2fs_free_mem(&channel->name); - ext2fs_free_mem(&channel); - return retval; -} - -static errcode_t inode_set_blksize(io_channel channel, int blksize) -{ - struct inode_private_data *data; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - channel->block_size = blksize; - return 0; -} - - -static errcode_t inode_read_blk(io_channel channel, unsigned long block, - int count, void *buf) -{ - struct inode_private_data *data; - errcode_t retval; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if ((retval = ext2fs_file_lseek(data->file, - block * channel->block_size, - EXT2_SEEK_SET, 0))) - return retval; - - count = (count < 0) ? -count : (count * channel->block_size); - - return ext2fs_file_read(data->file, buf, count, 0); -} - -static errcode_t inode_write_blk(io_channel channel, unsigned long block, - int count, const void *buf) -{ - struct inode_private_data *data; - errcode_t retval; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if ((retval = ext2fs_file_lseek(data->file, - block * channel->block_size, - EXT2_SEEK_SET, 0))) - return retval; - - count = (count < 0) ? -count : (count * channel->block_size); - - return ext2fs_file_write(data->file, buf, count, 0); -} - -static errcode_t inode_write_byte(io_channel channel, unsigned long offset, - int size, const void *buf) -{ - struct inode_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - if ((retval = ext2fs_file_lseek(data->file, offset, - EXT2_SEEK_SET, 0))) - return retval; - - return ext2fs_file_write(data->file, buf, size, 0); -} - -/* - * Flush data buffers to disk. - */ -static errcode_t inode_flush(io_channel channel) -{ - struct inode_private_data *data; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct inode_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_INODE_IO_CHANNEL); - - return ext2fs_file_flush(data->file); -} - diff --git a/e2fsprogs/ext2fs/io_manager.c b/e2fsprogs/ext2fs/io_manager.c deleted file mode 100644 index b47038602..000000000 --- a/e2fsprogs/ext2fs/io_manager.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * io_manager.c --- the I/O manager abstraction - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t io_channel_set_options(io_channel channel, const char *opts) -{ - errcode_t retval = 0; - char *next, *ptr, *options, *arg; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - - if (!opts) - return 0; - - if (!channel->manager->set_option) - return EXT2_ET_INVALID_ARGUMENT; - - options = malloc(strlen(opts)+1); - if (!options) - return EXT2_ET_NO_MEMORY; - strcpy(options, opts); - ptr = options; - - while (ptr && *ptr) { - next = strchr(ptr, '&'); - if (next) - *next++ = 0; - - arg = strchr(ptr, '='); - if (arg) - *arg++ = 0; - - retval = (channel->manager->set_option)(channel, ptr, arg); - if (retval) - break; - ptr = next; - } - free(options); - return retval; -} - -errcode_t io_channel_write_byte(io_channel channel, unsigned long offset, - int count, const void *data) -{ - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - - if (channel->manager->write_byte) - return channel->manager->write_byte(channel, offset, - count, data); - - return EXT2_ET_UNIMPLEMENTED; -} diff --git a/e2fsprogs/ext2fs/irel.h b/e2fsprogs/ext2fs/irel.h deleted file mode 100644 index 91d1d89d5..000000000 --- a/e2fsprogs/ext2fs/irel.h +++ /dev/null @@ -1,115 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * irel.h - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -struct ext2_inode_reference { - blk_t block; - __u16 offset; -}; - -struct ext2_inode_relocate_entry { - ext2_ino_t new; - ext2_ino_t orig; - __u16 flags; - __u16 max_refs; -}; - -typedef struct ext2_inode_relocation_table *ext2_irel; - -struct ext2_inode_relocation_table { - __u32 magic; - char *name; - ext2_ino_t current; - void *priv_data; - - /* - * Add an inode relocation entry. - */ - errcode_t (*put)(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); - /* - * Get an inode relocation entry. - */ - errcode_t (*get)(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); - - /* - * Get an inode relocation entry by its original inode number - */ - errcode_t (*get_by_orig)(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); - - /* - * Initialize for iterating over the inode relocation entries. - */ - errcode_t (*start_iter)(ext2_irel irel); - - /* - * The iterator function for the inode relocation entries. - * Returns an inode number of 0 when out of entries. - */ - errcode_t (*next)(ext2_irel irel, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); - - /* - * Add an inode reference (i.e., note the fact that a - * particular block/offset contains a reference to an inode) - */ - errcode_t (*add_ref)(ext2_irel irel, ext2_ino_t ino, - struct ext2_inode_reference *ref); - - /* - * Initialize for iterating over the inode references for a - * particular inode. - */ - errcode_t (*start_iter_ref)(ext2_irel irel, ext2_ino_t ino); - - /* - * The iterator function for the inode references for an - * inode. The references for only one inode can be interator - * over at a time, as the iterator state is stored in ext2_irel. - */ - errcode_t (*next_ref)(ext2_irel irel, - struct ext2_inode_reference *ref); - - /* - * Move the inode relocation table from one inode number to - * another. Note that the inode references also must move. - */ - errcode_t (*move)(ext2_irel irel, ext2_ino_t old, ext2_ino_t new); - - /* - * Remove an inode relocation entry, along with all of the - * inode references. - */ - errcode_t (*delete)(ext2_irel irel, ext2_ino_t old); - - /* - * Free the inode relocation table. - */ - errcode_t (*free)(ext2_irel irel); -}; - -errcode_t ext2fs_irel_memarray_create(char *name, ext2_ino_t max_inode, - ext2_irel *irel); - -#define ext2fs_irel_put(irel, old, ent) ((irel)->put((irel), old, ent)) -#define ext2fs_irel_get(irel, old, ent) ((irel)->get((irel), old, ent)) -#define ext2fs_irel_get_by_orig(irel, orig, old, ent) \ - ((irel)->get_by_orig((irel), orig, old, ent)) -#define ext2fs_irel_start_iter(irel) ((irel)->start_iter((irel))) -#define ext2fs_irel_next(irel, old, ent) ((irel)->next((irel), old, ent)) -#define ext2fs_irel_add_ref(irel, ino, ref) ((irel)->add_ref((irel), ino, ref)) -#define ext2fs_irel_start_iter_ref(irel, ino) ((irel)->start_iter_ref((irel), ino)) -#define ext2fs_irel_next_ref(irel, ref) ((irel)->next_ref((irel), ref)) -#define ext2fs_irel_move(irel, old, new) ((irel)->move((irel), old, new)) -#define ext2fs_irel_delete(irel, old) ((irel)->delete((irel), old)) -#define ext2fs_irel_free(irel) ((irel)->free((irel))) diff --git a/e2fsprogs/ext2fs/irel_ma.c b/e2fsprogs/ext2fs/irel_ma.c deleted file mode 100644 index c871b1891..000000000 --- a/e2fsprogs/ext2fs/irel_ma.c +++ /dev/null @@ -1,367 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * irel_ma.c - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <fcntl.h> -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "irel.h" - -static errcode_t ima_put(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_get(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_get_by_orig(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_start_iter(ext2_irel irel); -static errcode_t ima_next(ext2_irel irel, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent); -static errcode_t ima_add_ref(ext2_irel irel, ext2_ino_t ino, - struct ext2_inode_reference *ref); -static errcode_t ima_start_iter_ref(ext2_irel irel, ext2_ino_t ino); -static errcode_t ima_next_ref(ext2_irel irel, struct ext2_inode_reference *ref); -static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new); -static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old); -static errcode_t ima_free(ext2_irel irel); - -/* - * This data structure stores the array of inode references; there is - * a structure for each inode. - */ -struct inode_reference_entry { - __u16 num; - struct ext2_inode_reference *refs; -}; - -struct irel_ma { - __u32 magic; - ext2_ino_t max_inode; - ext2_ino_t ref_current; - int ref_iter; - ext2_ino_t *orig_map; - struct ext2_inode_relocate_entry *entries; - struct inode_reference_entry *ref_entries; -}; - -errcode_t ext2fs_irel_memarray_create(char *name, ext2_ino_t max_inode, - ext2_irel *new_irel) -{ - ext2_irel irel = 0; - errcode_t retval; - struct irel_ma *ma = 0; - size_t size; - - *new_irel = 0; - - /* - * Allocate memory structures - */ - retval = ext2fs_get_mem(sizeof(struct ext2_inode_relocation_table), - &irel); - if (retval) - goto errout; - memset(irel, 0, sizeof(struct ext2_inode_relocation_table)); - - retval = ext2fs_get_mem(strlen(name)+1, &irel->name); - if (retval) - goto errout; - strcpy(irel->name, name); - - retval = ext2fs_get_mem(sizeof(struct irel_ma), &ma); - if (retval) - goto errout; - memset(ma, 0, sizeof(struct irel_ma)); - irel->priv_data = ma; - - size = (size_t) (sizeof(ext2_ino_t) * (max_inode+1)); - retval = ext2fs_get_mem(size, &ma->orig_map); - if (retval) - goto errout; - memset(ma->orig_map, 0, size); - - size = (size_t) (sizeof(struct ext2_inode_relocate_entry) * - (max_inode+1)); - retval = ext2fs_get_mem(size, &ma->entries); - if (retval) - goto errout; - memset(ma->entries, 0, size); - - size = (size_t) (sizeof(struct inode_reference_entry) * - (max_inode+1)); - retval = ext2fs_get_mem(size, &ma->ref_entries); - if (retval) - goto errout; - memset(ma->ref_entries, 0, size); - ma->max_inode = max_inode; - - /* - * Fill in the irel data structure - */ - irel->put = ima_put; - irel->get = ima_get; - irel->get_by_orig = ima_get_by_orig; - irel->start_iter = ima_start_iter; - irel->next = ima_next; - irel->add_ref = ima_add_ref; - irel->start_iter_ref = ima_start_iter_ref; - irel->next_ref = ima_next_ref; - irel->move = ima_move; - irel->delete = ima_delete; - irel->free = ima_free; - - *new_irel = irel; - return 0; - -errout: - ima_free(irel); - return retval; -} - -static errcode_t ima_put(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent) -{ - struct inode_reference_entry *ref_ent; - struct irel_ma *ma; - errcode_t retval; - size_t size, old_size; - - ma = irel->priv_data; - if (old > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - - /* - * Force the orig field to the correct value; the application - * program shouldn't be messing with this field. - */ - if (ma->entries[(unsigned) old].new == 0) - ent->orig = old; - else - ent->orig = ma->entries[(unsigned) old].orig; - - /* - * If max_refs has changed, reallocate the refs array - */ - ref_ent = ma->ref_entries + (unsigned) old; - if (ref_ent->refs && ent->max_refs != - ma->entries[(unsigned) old].max_refs) { - size = (sizeof(struct ext2_inode_reference) * ent->max_refs); - old_size = (sizeof(struct ext2_inode_reference) * - ma->entries[(unsigned) old].max_refs); - retval = ext2fs_resize_mem(old_size, size, &ref_ent->refs); - if (retval) - return retval; - } - - ma->entries[(unsigned) old] = *ent; - ma->orig_map[(unsigned) ent->orig] = old; - return 0; -} - -static errcode_t ima_get(ext2_irel irel, ext2_ino_t old, - struct ext2_inode_relocate_entry *ent) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if (old > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) old].new == 0) - return ENOENT; - *ent = ma->entries[(unsigned) old]; - return 0; -} - -static errcode_t ima_get_by_orig(ext2_irel irel, ext2_ino_t orig, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent) -{ - struct irel_ma *ma; - ext2_ino_t ino; - - ma = irel->priv_data; - if (orig > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - ino = ma->orig_map[(unsigned) orig]; - if (ino == 0) - return ENOENT; - *old = ino; - *ent = ma->entries[(unsigned) ino]; - return 0; -} - -static errcode_t ima_start_iter(ext2_irel irel) -{ - irel->current = 0; - return 0; -} - -static errcode_t ima_next(ext2_irel irel, ext2_ino_t *old, - struct ext2_inode_relocate_entry *ent) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - while (++irel->current < ma->max_inode) { - if (ma->entries[(unsigned) irel->current].new == 0) - continue; - *old = irel->current; - *ent = ma->entries[(unsigned) irel->current]; - return 0; - } - *old = 0; - return 0; -} - -static errcode_t ima_add_ref(ext2_irel irel, ext2_ino_t ino, - struct ext2_inode_reference *ref) -{ - struct irel_ma *ma; - size_t size; - struct inode_reference_entry *ref_ent; - struct ext2_inode_relocate_entry *ent; - errcode_t retval; - - ma = irel->priv_data; - if (ino > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - - ref_ent = ma->ref_entries + (unsigned) ino; - ent = ma->entries + (unsigned) ino; - - /* - * If the inode reference array doesn't exist, create it. - */ - if (ref_ent->refs == 0) { - size = (size_t) ((sizeof(struct ext2_inode_reference) * - ent->max_refs)); - retval = ext2fs_get_mem(size, &ref_ent->refs); - if (retval) - return retval; - memset(ref_ent->refs, 0, size); - ref_ent->num = 0; - } - - if (ref_ent->num >= ent->max_refs) - return EXT2_ET_TOO_MANY_REFS; - - ref_ent->refs[(unsigned) ref_ent->num++] = *ref; - return 0; -} - -static errcode_t ima_start_iter_ref(ext2_irel irel, ext2_ino_t ino) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if (ino > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) ino].new == 0) - return ENOENT; - ma->ref_current = ino; - ma->ref_iter = 0; - return 0; -} - -static errcode_t ima_next_ref(ext2_irel irel, - struct ext2_inode_reference *ref) -{ - struct irel_ma *ma; - struct inode_reference_entry *ref_ent; - - ma = irel->priv_data; - - ref_ent = ma->ref_entries + ma->ref_current; - - if ((ref_ent->refs == NULL) || - (ma->ref_iter >= ref_ent->num)) { - ref->block = 0; - ref->offset = 0; - return 0; - } - *ref = ref_ent->refs[ma->ref_iter++]; - return 0; -} - - -static errcode_t ima_move(ext2_irel irel, ext2_ino_t old, ext2_ino_t new) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if ((old > ma->max_inode) || (new > ma->max_inode)) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) old].new == 0) - return ENOENT; - - ma->entries[(unsigned) new] = ma->entries[(unsigned) old]; - ext2fs_free_mem(&ma->ref_entries[(unsigned) new].refs); - ma->ref_entries[(unsigned) new] = ma->ref_entries[(unsigned) old]; - - ma->entries[(unsigned) old].new = 0; - ma->ref_entries[(unsigned) old].num = 0; - ma->ref_entries[(unsigned) old].refs = 0; - - ma->orig_map[ma->entries[new].orig] = new; - return 0; -} - -static errcode_t ima_delete(ext2_irel irel, ext2_ino_t old) -{ - struct irel_ma *ma; - - ma = irel->priv_data; - if (old > ma->max_inode) - return EXT2_ET_INVALID_ARGUMENT; - if (ma->entries[(unsigned) old].new == 0) - return ENOENT; - - ma->entries[old].new = 0; - ext2fs_free_mem(&ma->ref_entries[(unsigned) old].refs); - ma->orig_map[ma->entries[(unsigned) old].orig] = 0; - - ma->ref_entries[(unsigned) old].num = 0; - ma->ref_entries[(unsigned) old].refs = 0; - return 0; -} - -static errcode_t ima_free(ext2_irel irel) -{ - struct irel_ma *ma; - ext2_ino_t ino; - - if (!irel) - return 0; - - ma = irel->priv_data; - - if (ma) { - ext2fs_free_mem(&ma->orig_map); - ext2fs_free_mem(&ma->entries); - if (ma->ref_entries) { - for (ino = 0; ino <= ma->max_inode; ino++) { - ext2fs_free_mem(&ma->ref_entries[(unsigned) ino].refs); - } - ext2fs_free_mem(&ma->ref_entries); - } - ext2fs_free_mem(&ma); - } - ext2fs_free_mem(&irel->name); - ext2fs_free_mem(&irel); - return 0; -} diff --git a/e2fsprogs/ext2fs/ismounted.c b/e2fsprogs/ext2fs/ismounted.c deleted file mode 100644 index d943f1185..000000000 --- a/e2fsprogs/ext2fs/ismounted.c +++ /dev/null @@ -1,357 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * ismounted.c --- Check to see if the filesystem was mounted - * - * Copyright (C) 1995,1996,1997,1998,1999,2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#ifdef HAVE_LINUX_FD_H -#include <linux/fd.h> -#endif -#ifdef HAVE_MNTENT_H -#include <mntent.h> -#endif -#ifdef HAVE_GETMNTINFO -#include <paths.h> -#include <sys/param.h> -#include <sys/mount.h> -#endif /* HAVE_GETMNTINFO */ -#include <string.h> -#include <sys/stat.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifdef HAVE_MNTENT_H -/* - * Helper function which checks a file in /etc/mtab format to see if a - * filesystem is mounted. Returns an error if the file doesn't exist - * or can't be opened. - */ -static errcode_t check_mntent_file(const char *mtab_file, const char *file, - int *mount_flags, char *mtpt, int mtlen) -{ - struct mntent *mnt; - struct stat st_buf; - errcode_t retval = 0; - dev_t file_dev=0, file_rdev=0; - ino_t file_ino=0; - FILE *f; - int fd; - - *mount_flags = 0; - if ((f = setmntent (mtab_file, "r")) == NULL) - return errno; - if (stat(file, &st_buf) == 0) { - if (S_ISBLK(st_buf.st_mode)) { -#ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */ - file_rdev = st_buf.st_rdev; -#endif /* __GNU__ */ - } else { - file_dev = st_buf.st_dev; - file_ino = st_buf.st_ino; - } - } - while ((mnt = getmntent (f)) != NULL) { - if (strcmp(file, mnt->mnt_fsname) == 0) - break; - if (stat(mnt->mnt_fsname, &st_buf) == 0) { - if (S_ISBLK(st_buf.st_mode)) { -#ifndef __GNU__ - if (file_rdev && (file_rdev == st_buf.st_rdev)) - break; -#endif /* __GNU__ */ - } else { - if (file_dev && ((file_dev == st_buf.st_dev) && - (file_ino == st_buf.st_ino))) - break; - } - } - } - - if (mnt == 0) { -#ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */ - /* - * Do an extra check to see if this is the root device. We - * can't trust /etc/mtab, and /proc/mounts will only list - * /dev/root for the root filesystem. Argh. Instead we - * check if the given device has the same major/minor number - * as the device that the root directory is on. - */ - if (file_rdev && stat("/", &st_buf) == 0) { - if (st_buf.st_dev == file_rdev) { - *mount_flags = EXT2_MF_MOUNTED; - if (mtpt) - strncpy(mtpt, "/", mtlen); - goto is_root; - } - } -#endif /* __GNU__ */ - goto errout; - } -#ifndef __GNU__ /* The GNU hurd is deficient; what else is new? */ - /* Validate the entry in case /etc/mtab is out of date */ - /* - * We need to be paranoid, because some broken distributions - * (read: Slackware) don't initialize /etc/mtab before checking - * all of the non-root filesystems on the disk. - */ - if (stat(mnt->mnt_dir, &st_buf) < 0) { - retval = errno; - if (retval == ENOENT) { -#ifdef DEBUG - printf("Bogus entry in %s! (%s does not exist)\n", - mtab_file, mnt->mnt_dir); -#endif /* DEBUG */ - retval = 0; - } - goto errout; - } - if (file_rdev && (st_buf.st_dev != file_rdev)) { -#ifdef DEBUG - printf("Bogus entry in %s! (%s not mounted on %s)\n", - mtab_file, file, mnt->mnt_dir); -#endif /* DEBUG */ - goto errout; - } -#endif /* __GNU__ */ - *mount_flags = EXT2_MF_MOUNTED; - -#ifdef MNTOPT_RO - /* Check to see if the ro option is set */ - if (hasmntopt(mnt, MNTOPT_RO)) - *mount_flags |= EXT2_MF_READONLY; -#endif - - if (mtpt) - strncpy(mtpt, mnt->mnt_dir, mtlen); - /* - * Check to see if we're referring to the root filesystem. - * If so, do a manual check to see if we can open /etc/mtab - * read/write, since if the root is mounted read/only, the - * contents of /etc/mtab may not be accurate. - */ - if (LONE_CHAR(mnt->mnt_dir, '/')) { -is_root: -#define TEST_FILE "/.ismount-test-file" - *mount_flags |= EXT2_MF_ISROOT; - fd = open(TEST_FILE, O_RDWR|O_CREAT); - if (fd < 0) { - if (errno == EROFS) - *mount_flags |= EXT2_MF_READONLY; - } else - close(fd); - (void) unlink(TEST_FILE); - } - retval = 0; -errout: - endmntent (f); - return retval; -} - -static errcode_t check_mntent(const char *file, int *mount_flags, - char *mtpt, int mtlen) -{ - errcode_t retval; - -#ifdef DEBUG - retval = check_mntent_file("/tmp/mtab", file, mount_flags, - mtpt, mtlen); - if (retval == 0) - return 0; -#endif /* DEBUG */ -#ifdef __linux__ - retval = check_mntent_file("/proc/mounts", file, mount_flags, - mtpt, mtlen); - if (retval == 0 && (*mount_flags != 0)) - return 0; -#endif /* __linux__ */ -#if defined(MOUNTED) || defined(_PATH_MOUNTED) -#ifndef MOUNTED -#define MOUNTED _PATH_MOUNTED -#endif /* MOUNTED */ - retval = check_mntent_file(MOUNTED, file, mount_flags, mtpt, mtlen); - return retval; -#else - *mount_flags = 0; - return 0; -#endif /* defined(MOUNTED) || defined(_PATH_MOUNTED) */ -} - -#else -#if defined(HAVE_GETMNTINFO) - -static errcode_t check_getmntinfo(const char *file, int *mount_flags, - char *mtpt, int mtlen) -{ - struct statfs *mp; - int len, n; - const char *s1; - char *s2; - - n = getmntinfo(&mp, MNT_NOWAIT); - if (n == 0) - return errno; - - len = sizeof(_PATH_DEV) - 1; - s1 = file; - if (strncmp(_PATH_DEV, s1, len) == 0) - s1 += len; - - *mount_flags = 0; - while (--n >= 0) { - s2 = mp->f_mntfromname; - if (strncmp(_PATH_DEV, s2, len) == 0) { - s2 += len - 1; - *s2 = 'r'; - } - if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0) { - *mount_flags = EXT2_MF_MOUNTED; - break; - } - ++mp; - } - if (mtpt) - strncpy(mtpt, mp->f_mntonname, mtlen); - return 0; -} -#endif /* HAVE_GETMNTINFO */ -#endif /* HAVE_MNTENT_H */ - -/* - * Check to see if we're dealing with the swap device. - */ -static int is_swap_device(const char *file) -{ - FILE *f; - char buf[1024], *cp; - dev_t file_dev; - struct stat st_buf; - int ret = 0; - - file_dev = 0; -#ifndef __GNU__ /* The GNU hurd is broken with respect to stat devices */ - if ((stat(file, &st_buf) == 0) && - S_ISBLK(st_buf.st_mode)) - file_dev = st_buf.st_rdev; -#endif /* __GNU__ */ - - if (!(f = fopen("/proc/swaps", "r"))) - return 0; - /* Skip the first line */ - fgets(buf, sizeof(buf), f); - while (!feof(f)) { - if (!fgets(buf, sizeof(buf), f)) - break; - if ((cp = strchr(buf, ' ')) != NULL) - *cp = 0; - if ((cp = strchr(buf, '\t')) != NULL) - *cp = 0; - if (strcmp(buf, file) == 0) { - ret++; - break; - } -#ifndef __GNU__ - if (file_dev && (stat(buf, &st_buf) == 0) && - S_ISBLK(st_buf.st_mode) && - file_dev == st_buf.st_rdev) { - ret++; - break; - } -#endif /* __GNU__ */ - } - fclose(f); - return ret; -} - - -/* - * ext2fs_check_mount_point() returns 1 if the device is mounted, 0 - * otherwise. If mtpt is non-NULL, the directory where the device is - * mounted is copied to where mtpt is pointing, up to mtlen - * characters. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, - char *mtpt, int mtlen) -{ - if (is_swap_device(device)) { - *mount_flags = EXT2_MF_MOUNTED | EXT2_MF_SWAP; - strncpy(mtpt, "<swap>", mtlen); - return 0; - } -#ifdef HAVE_MNTENT_H - return check_mntent(device, mount_flags, mtpt, mtlen); -#else -#ifdef HAVE_GETMNTINFO - return check_getmntinfo(device, mount_flags, mtpt, mtlen); -#else -#ifdef __GNUC__ - #warning "Can't use getmntent or getmntinfo to check for mounted filesystems!" -#endif - *mount_flags = 0; - return 0; -#endif /* HAVE_GETMNTINFO */ -#endif /* HAVE_MNTENT_H */ -} - -/* - * ext2fs_check_if_mounted() sets the mount_flags EXT2_MF_MOUNTED, - * EXT2_MF_READONLY, and EXT2_MF_ROOT - * - */ -errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags) -{ - return ext2fs_check_mount_point(file, mount_flags, NULL, 0); -} - -#ifdef DEBUG -int main(int argc, char **argv) -{ - int retval, mount_flags; - char mntpt[80]; - - if (argc < 2) { - fprintf(stderr, "Usage: %s device\n", argv[0]); - exit(1); - } - - mntpt[0] = 0; - retval = ext2fs_check_mount_point(argv[1], &mount_flags, - mntpt, sizeof(mntpt)); - if (retval) { - com_err(argv[0], retval, - "while calling ext2fs_check_if_mounted"); - exit(1); - } - printf("Device %s reports flags %02x\n", argv[1], mount_flags); - if (mount_flags & EXT2_MF_BUSY) - printf("\t%s is apparently in use.\n", argv[1]); - if (mount_flags & EXT2_MF_MOUNTED) - printf("\t%s is mounted.\n", argv[1]); - if (mount_flags & EXT2_MF_SWAP) - printf("\t%s is a swap device.\n", argv[1]); - if (mount_flags & EXT2_MF_READONLY) - printf("\t%s is read-only.\n", argv[1]); - if (mount_flags & EXT2_MF_ISROOT) - printf("\t%s is the root filesystem.\n", argv[1]); - if (mntpt[0]) - printf("\t%s is mounted on %s.\n", argv[1], mntpt); - exit(0); -} -#endif /* DEBUG */ diff --git a/e2fsprogs/ext2fs/jfs_dat.h b/e2fsprogs/ext2fs/jfs_dat.h deleted file mode 100644 index 136635de0..000000000 --- a/e2fsprogs/ext2fs/jfs_dat.h +++ /dev/null @@ -1,65 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * jfs_dat.h --- stripped down header file which only contains the JFS - * on-disk data structures - */ - -#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ - -/* - * On-disk structures - */ - -/* - * Descriptor block types: - */ - -#define JFS_DESCRIPTOR_BLOCK 1 -#define JFS_COMMIT_BLOCK 2 -#define JFS_SUPERBLOCK 3 - -/* - * Standard header for all descriptor blocks: - */ -typedef struct journal_header_s -{ - __u32 h_magic; - __u32 h_blocktype; - __u32 h_sequence; -} journal_header_t; - - -/* - * The block tag: used to describe a single buffer in the journal - */ -typedef struct journal_block_tag_s -{ - __u32 t_blocknr; /* The on-disk block number */ - __u32 t_flags; /* See below */ -} journal_block_tag_t; - -/* Definitions for the journal tag flags word: */ -#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ -#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ -#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ -#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ - - -/* - * The journal superblock - */ -typedef struct journal_superblock_s -{ - journal_header_t s_header; - - /* Static information describing the journal */ - __u32 s_blocksize; /* journal device blocksize */ - __u32 s_maxlen; /* total blocks in journal file */ - __u32 s_first; /* first block of log information */ - - /* Dynamic information describing the current state of the log */ - __u32 s_sequence; /* first commit ID expected in log */ - __u32 s_start; /* blocknr of start of log */ - -} journal_superblock_t; - diff --git a/e2fsprogs/ext2fs/kernel-jbd.h b/e2fsprogs/ext2fs/kernel-jbd.h deleted file mode 100644 index 4c6c7dedd..000000000 --- a/e2fsprogs/ext2fs/kernel-jbd.h +++ /dev/null @@ -1,236 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * linux/include/linux/jbd.h - * - * Written by Stephen C. Tweedie <sct@redhat.com> - * - * Copyright 1998-2000 Red Hat, Inc --- All Rights Reserved - * - * This file is part of the Linux kernel and is made available under - * the terms of the GNU General Public License, version 2, or at your - * option, any later version, incorporated herein by reference. - * - * Definitions for transaction data structures for the buffer cache - * filesystem journaling support. - */ - -#ifndef _LINUX_JBD_H -#define _LINUX_JBD_H - -#include <sys/types.h> -#include <linux/types.h> -#include "ext2fs.h" - -/* - * Standard header for all descriptor blocks: - */ - -typedef struct journal_header_s -{ - __u32 h_magic; - __u32 h_blocktype; - __u32 h_sequence; -} journal_header_t; - -/* - * This is the global e2fsck structure. - */ -typedef struct e2fsck_struct *e2fsck_t; - - -struct inode { - e2fsck_t i_ctx; - ext2_ino_t i_ino; - struct ext2_inode i_ext2; -}; - - -/* - * The journal superblock. All fields are in big-endian byte order. - */ -typedef struct journal_superblock_s -{ -/* 0x0000 */ - journal_header_t s_header; - -/* 0x000C */ - /* Static information describing the journal */ - __u32 s_blocksize; /* journal device blocksize */ - __u32 s_maxlen; /* total blocks in journal file */ - __u32 s_first; /* first block of log information */ - -/* 0x0018 */ - /* Dynamic information describing the current state of the log */ - __u32 s_sequence; /* first commit ID expected in log */ - __u32 s_start; /* blocknr of start of log */ - -/* 0x0020 */ - /* Error value, as set by journal_abort(). */ - __s32 s_errno; - -/* 0x0024 */ - /* Remaining fields are only valid in a version-2 superblock */ - __u32 s_feature_compat; /* compatible feature set */ - __u32 s_feature_incompat; /* incompatible feature set */ - __u32 s_feature_ro_compat; /* readonly-compatible feature set */ -/* 0x0030 */ - __u8 s_uuid[16]; /* 128-bit uuid for journal */ - -/* 0x0040 */ - __u32 s_nr_users; /* Nr of filesystems sharing log */ - - __u32 s_dynsuper; /* Blocknr of dynamic superblock copy*/ - -/* 0x0048 */ - __u32 s_max_transaction; /* Limit of journal blocks per trans.*/ - __u32 s_max_trans_data; /* Limit of data blocks per trans. */ - -/* 0x0050 */ - __u32 s_padding[44]; - -/* 0x0100 */ - __u8 s_users[16*48]; /* ids of all fs'es sharing the log */ -/* 0x0400 */ -} journal_superblock_t; - - -extern int journal_blocks_per_page(struct inode *inode); -extern int jbd_blocks_per_page(struct inode *inode); - -#define JFS_MIN_JOURNAL_BLOCKS 1024 - - -/* - * Internal structures used by the logging mechanism: - */ - -#define JFS_MAGIC_NUMBER 0xc03b3998U /* The first 4 bytes of /dev/random! */ - -/* - * Descriptor block types: - */ - -#define JFS_DESCRIPTOR_BLOCK 1 -#define JFS_COMMIT_BLOCK 2 -#define JFS_SUPERBLOCK_V1 3 -#define JFS_SUPERBLOCK_V2 4 -#define JFS_REVOKE_BLOCK 5 - -/* - * The block tag: used to describe a single buffer in the journal - */ -typedef struct journal_block_tag_s -{ - __u32 t_blocknr; /* The on-disk block number */ - __u32 t_flags; /* See below */ -} journal_block_tag_t; - -/* - * The revoke descriptor: used on disk to describe a series of blocks to - * be revoked from the log - */ -typedef struct journal_revoke_header_s -{ - journal_header_t r_header; - int r_count; /* Count of bytes used in the block */ -} journal_revoke_header_t; - - -/* Definitions for the journal tag flags word: */ -#define JFS_FLAG_ESCAPE 1 /* on-disk block is escaped */ -#define JFS_FLAG_SAME_UUID 2 /* block has same uuid as previous */ -#define JFS_FLAG_DELETED 4 /* block deleted by this transaction */ -#define JFS_FLAG_LAST_TAG 8 /* last tag in this descriptor block */ - - - - -#define JFS_HAS_COMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_compat & cpu_to_be32((mask)))) -#define JFS_HAS_RO_COMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_ro_compat & cpu_to_be32((mask)))) -#define JFS_HAS_INCOMPAT_FEATURE(j,mask) \ - ((j)->j_format_version >= 2 && \ - ((j)->j_superblock->s_feature_incompat & cpu_to_be32((mask)))) - -#define JFS_FEATURE_INCOMPAT_REVOKE 0x00000001 - -/* Features known to this kernel version: */ -#define JFS_KNOWN_COMPAT_FEATURES 0 -#define JFS_KNOWN_ROCOMPAT_FEATURES 0 -#define JFS_KNOWN_INCOMPAT_FEATURES JFS_FEATURE_INCOMPAT_REVOKE - -/* Comparison functions for transaction IDs: perform comparisons using - * modulo arithmetic so that they work over sequence number wraps. */ - - -/* - * Definitions which augment the buffer_head layer - */ - -/* journaling buffer types */ -#define BJ_None 0 /* Not journaled */ -#define BJ_SyncData 1 /* Normal data: flush before commit */ -#define BJ_AsyncData 2 /* writepage data: wait on it before commit */ -#define BJ_Metadata 3 /* Normal journaled metadata */ -#define BJ_Forget 4 /* Buffer superceded by this transaction */ -#define BJ_IO 5 /* Buffer is for temporary IO use */ -#define BJ_Shadow 6 /* Buffer contents being shadowed to the log */ -#define BJ_LogCtl 7 /* Buffer contains log descriptors */ -#define BJ_Reserved 8 /* Buffer is reserved for access by journal */ -#define BJ_Types 9 - - -struct kdev_s { - e2fsck_t k_ctx; - int k_dev; -}; - -typedef struct kdev_s *kdev_t; -typedef unsigned int tid_t; - -struct journal_s -{ - unsigned long j_flags; - int j_errno; - struct buffer_head * j_sb_buffer; - struct journal_superblock_s *j_superblock; - int j_format_version; - unsigned long j_head; - unsigned long j_tail; - unsigned long j_free; - unsigned long j_first, j_last; - kdev_t j_dev; - kdev_t j_fs_dev; - int j_blocksize; - unsigned int j_blk_offset; - unsigned int j_maxlen; - struct inode * j_inode; - tid_t j_tail_sequence; - tid_t j_transaction_sequence; - __u8 j_uuid[16]; - struct jbd_revoke_table_s *j_revoke; -}; - -typedef struct journal_s journal_t; - -extern int journal_recover (journal_t *journal); -extern int journal_skip_recovery (journal_t *); - -/* Primary revoke support */ -extern int journal_init_revoke(journal_t *, int); -extern void journal_destroy_revoke_caches(void); -extern int journal_init_revoke_caches(void); - -/* Recovery revoke support */ -extern int journal_set_revoke(journal_t *, unsigned long, tid_t); -extern int journal_test_revoke(journal_t *, unsigned long, tid_t); -extern void journal_clear_revoke(journal_t *); -extern void journal_brelse_array(struct buffer_head *b[], int n); - -extern void journal_destroy_revoke(journal_t *); - - -#endif /* _LINUX_JBD_H */ diff --git a/e2fsprogs/ext2fs/kernel-list.h b/e2fsprogs/ext2fs/kernel-list.h deleted file mode 100644 index 3392596ca..000000000 --- a/e2fsprogs/ext2fs/kernel-list.h +++ /dev/null @@ -1,113 +0,0 @@ -/* vi: set sw=4 ts=4: */ -#ifndef _LINUX_LIST_H -#define _LINUX_LIST_H - -/* - * Simple doubly linked list implementation. - * - * Some of the internal functions ("__xxx") are useful when - * manipulating whole lists rather than single entries, as - * sometimes we already know the next/prev entries and we can - * generate better code by using them directly rather than - * using the generic single-entry routines. - */ - -struct list_head { - struct list_head *next, *prev; -}; - -#define LIST_HEAD_INIT(name) { &(name), &(name) } - -#define LIST_HEAD(name) \ - struct list_head name = { &name, &name } - -#define INIT_LIST_HEAD(ptr) do { \ - (ptr)->next = (ptr); (ptr)->prev = (ptr); \ -} while (0) - -#if (!defined(__GNUC__) && !defined(__WATCOMC__)) -#define __inline__ -#endif - -/* - * Insert a new entry between two known consecutive entries. - * - * This is only for internal list manipulation where we know - * the prev/next entries already! - */ -static __inline__ void __list_add(struct list_head * new, - struct list_head * prev, - struct list_head * next) -{ - next->prev = new; - new->next = next; - new->prev = prev; - prev->next = new; -} - -/* - * Insert a new entry after the specified head.. - */ -static __inline__ void list_add(struct list_head *new, struct list_head *head) -{ - __list_add(new, head, head->next); -} - -/* - * Insert a new entry at the tail - */ -static __inline__ void list_add_tail(struct list_head *new, struct list_head *head) -{ - __list_add(new, head->prev, head); -} - -/* - * Delete a list entry by making the prev/next entries - * point to each other. - * - * This is only for internal list manipulation where we know - * the prev/next entries already! - */ -static __inline__ void __list_del(struct list_head * prev, - struct list_head * next) -{ - next->prev = prev; - prev->next = next; -} - -static __inline__ void list_del(struct list_head *entry) -{ - __list_del(entry->prev, entry->next); -} - -static __inline__ int list_empty(struct list_head *head) -{ - return head->next == head; -} - -/* - * Splice in "list" into "head" - */ -static __inline__ void list_splice(struct list_head *list, struct list_head *head) -{ - struct list_head *first = list->next; - - if (first != list) { - struct list_head *last = list->prev; - struct list_head *at = head->next; - - first->prev = head; - head->next = first; - - last->next = at; - at->prev = last; - } -} - -#define list_entry(ptr, type, member) \ - ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member))) - -#define list_for_each(pos, head) \ - for (pos = (head)->next; pos != (head); pos = pos->next) - -#endif diff --git a/e2fsprogs/ext2fs/link.c b/e2fsprogs/ext2fs/link.c deleted file mode 100644 index 08b2e9673..000000000 --- a/e2fsprogs/ext2fs/link.c +++ /dev/null @@ -1,135 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * link.c --- create links in a ext2fs directory - * - * Copyright (C) 1993, 1994 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct link_struct { - const char *name; - int namelen; - ext2_ino_t inode; - int flags; - int done; - struct ext2_super_block *sb; -}; - -static int link_proc(struct ext2_dir_entry *dirent, - int offset, - int blocksize, - char *buf, - void *priv_data) -{ - struct link_struct *ls = (struct link_struct *) priv_data; - struct ext2_dir_entry *next; - int rec_len, min_rec_len; - int ret = 0; - - rec_len = EXT2_DIR_REC_LEN(ls->namelen); - - /* - * See if the following directory entry (if any) is unused; - * if so, absorb it into this one. - */ - next = (struct ext2_dir_entry *) (buf + offset + dirent->rec_len); - if ((offset + dirent->rec_len < blocksize - 8) && - (next->inode == 0) && - (offset + dirent->rec_len + next->rec_len <= blocksize)) { - dirent->rec_len += next->rec_len; - ret = DIRENT_CHANGED; - } - - /* - * If the directory entry is used, see if we can split the - * directory entry to make room for the new name. If so, - * truncate it and return. - */ - if (dirent->inode) { - min_rec_len = EXT2_DIR_REC_LEN(dirent->name_len & 0xFF); - if (dirent->rec_len < (min_rec_len + rec_len)) - return ret; - rec_len = dirent->rec_len - min_rec_len; - dirent->rec_len = min_rec_len; - next = (struct ext2_dir_entry *) (buf + offset + - dirent->rec_len); - next->inode = 0; - next->name_len = 0; - next->rec_len = rec_len; - return DIRENT_CHANGED; - } - - /* - * If we get this far, then the directory entry is not used. - * See if we can fit the request entry in. If so, do it. - */ - if (dirent->rec_len < rec_len) - return ret; - dirent->inode = ls->inode; - dirent->name_len = ls->namelen; - strncpy(dirent->name, ls->name, ls->namelen); - if (ls->sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_FILETYPE) - dirent->name_len |= (ls->flags & 0x7) << 8; - - ls->done++; - return DIRENT_ABORT|DIRENT_CHANGED; -} - -/* - * Note: the low 3 bits of the flags field are used as the directory - * entry filetype. - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, - ext2_ino_t ino, int flags) -{ - errcode_t retval; - struct link_struct ls; - struct ext2_inode inode; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - ls.name = name; - ls.namelen = name ? strlen(name) : 0; - ls.inode = ino; - ls.flags = flags; - ls.done = 0; - ls.sb = fs->super; - - retval = ext2fs_dir_iterate(fs, dir, DIRENT_FLAG_INCLUDE_EMPTY, - 0, link_proc, &ls); - if (retval) - return retval; - - if (!ls.done) - return EXT2_ET_DIR_NO_SPACE; - - if ((retval = ext2fs_read_inode(fs, dir, &inode)) != 0) - return retval; - - if (inode.i_flags & EXT2_INDEX_FL) { - inode.i_flags &= ~EXT2_INDEX_FL; - if ((retval = ext2fs_write_inode(fs, dir, &inode)) != 0) - return retval; - } - - return 0; -} diff --git a/e2fsprogs/ext2fs/lookup.c b/e2fsprogs/ext2fs/lookup.c deleted file mode 100644 index 31b30a182..000000000 --- a/e2fsprogs/ext2fs/lookup.c +++ /dev/null @@ -1,70 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * lookup.c --- ext2fs directory lookup operations - * - * Copyright (C) 1993, 1994, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct lookup_struct { - const char *name; - int len; - ext2_ino_t *inode; - int found; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int lookup_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct lookup_struct *ls = (struct lookup_struct *) priv_data; - - if (ls->len != (dirent->name_len & 0xFF)) - return 0; - if (strncmp(ls->name, dirent->name, (dirent->name_len & 0xFF))) - return 0; - *ls->inode = dirent->inode; - ls->found++; - return DIRENT_ABORT; -} - - -errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, - int namelen, char *buf, ext2_ino_t *inode) -{ - errcode_t retval; - struct lookup_struct ls; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - ls.name = name; - ls.len = namelen; - ls.inode = inode; - ls.found = 0; - - retval = ext2fs_dir_iterate(fs, dir, 0, buf, lookup_proc, &ls); - if (retval) - return retval; - - return (ls.found) ? 0 : EXT2_ET_FILE_NOT_FOUND; -} - - diff --git a/e2fsprogs/ext2fs/mkdir.c b/e2fsprogs/ext2fs/mkdir.c deleted file mode 100644 index b63c5d7a6..000000000 --- a/e2fsprogs/ext2fs/mkdir.c +++ /dev/null @@ -1,142 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mkdir.c --- make a directory in the filesystem - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef EXT2_FT_DIR -#define EXT2_FT_DIR 2 -#endif - -errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, - const char *name) -{ - errcode_t retval; - struct ext2_inode parent_inode, inode; - ext2_ino_t ino = inum; - ext2_ino_t scratch_ino; - blk_t blk; - char *block = 0; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - /* - * Allocate an inode, if necessary - */ - if (!ino) { - retval = ext2fs_new_inode(fs, parent, LINUX_S_IFDIR | 0755, - 0, &ino); - if (retval) - goto cleanup; - } - - /* - * Allocate a data block for the directory - */ - retval = ext2fs_new_block(fs, 0, 0, &blk); - if (retval) - goto cleanup; - - /* - * Create a scratch template for the directory - */ - retval = ext2fs_new_dir_block(fs, ino, parent, &block); - if (retval) - goto cleanup; - - /* - * Get the parent's inode, if necessary - */ - if (parent != ino) { - retval = ext2fs_read_inode(fs, parent, &parent_inode); - if (retval) - goto cleanup; - } else - memset(&parent_inode, 0, sizeof(parent_inode)); - - /* - * Create the inode structure.... - */ - memset(&inode, 0, sizeof(struct ext2_inode)); - inode.i_mode = LINUX_S_IFDIR | (0777 & ~fs->umask); - inode.i_uid = inode.i_gid = 0; - inode.i_blocks = fs->blocksize / 512; - inode.i_block[0] = blk; - inode.i_links_count = 2; - inode.i_ctime = inode.i_atime = inode.i_mtime = time(NULL); - inode.i_size = fs->blocksize; - - /* - * Write out the inode and inode data block - */ - retval = ext2fs_write_dir_block(fs, blk, block); - if (retval) - goto cleanup; - retval = ext2fs_write_new_inode(fs, ino, &inode); - if (retval) - goto cleanup; - - /* - * Link the directory into the filesystem hierarchy - */ - if (name) { - retval = ext2fs_lookup(fs, parent, name, strlen(name), 0, - &scratch_ino); - if (!retval) { - retval = EXT2_ET_DIR_EXISTS; - name = 0; - goto cleanup; - } - if (retval != EXT2_ET_FILE_NOT_FOUND) - goto cleanup; - retval = ext2fs_link(fs, parent, name, ino, EXT2_FT_DIR); - if (retval) - goto cleanup; - } - - /* - * Update parent inode's counts - */ - if (parent != ino) { - parent_inode.i_links_count++; - retval = ext2fs_write_inode(fs, parent, &parent_inode); - if (retval) - goto cleanup; - } - - /* - * Update accounting.... - */ - ext2fs_block_alloc_stats(fs, blk, +1); - ext2fs_inode_alloc_stats2(fs, ino, +1, 1); - -cleanup: - ext2fs_free_mem(&block); - return retval; - -} - - diff --git a/e2fsprogs/ext2fs/mkjournal.c b/e2fsprogs/ext2fs/mkjournal.c deleted file mode 100644 index 5bdd34682..000000000 --- a/e2fsprogs/ext2fs/mkjournal.c +++ /dev/null @@ -1,428 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mkjournal.c --- make a journal for a filesystem - * - * Copyright (C) 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#if HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#if HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif - -#include "ext2_fs.h" -#include "../e2p/e2p.h" -#include "../e2fsck.h" -#include "ext2fs.h" -#include "kernel-jbd.h" - -/* - * This function automatically sets up the journal superblock and - * returns it as an allocated block. - */ -errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, - __u32 size, int flags, - char **ret_jsb) -{ - errcode_t retval; - journal_superblock_t *jsb; - - if (size < 1024) - return EXT2_ET_JOURNAL_TOO_SMALL; - - if ((retval = ext2fs_get_mem(fs->blocksize, &jsb))) - return retval; - - memset (jsb, 0, fs->blocksize); - - jsb->s_header.h_magic = htonl(JFS_MAGIC_NUMBER); - if (flags & EXT2_MKJOURNAL_V1_SUPER) - jsb->s_header.h_blocktype = htonl(JFS_SUPERBLOCK_V1); - else - jsb->s_header.h_blocktype = htonl(JFS_SUPERBLOCK_V2); - jsb->s_blocksize = htonl(fs->blocksize); - jsb->s_maxlen = htonl(size); - jsb->s_nr_users = htonl(1); - jsb->s_first = htonl(1); - jsb->s_sequence = htonl(1); - memcpy(jsb->s_uuid, fs->super->s_uuid, sizeof(fs->super->s_uuid)); - /* - * If we're creating an external journal device, we need to - * adjust these fields. - */ - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - jsb->s_nr_users = 0; - if (fs->blocksize == 1024) - jsb->s_first = htonl(3); - else - jsb->s_first = htonl(2); - } - - *ret_jsb = (char *) jsb; - return 0; -} - -/* - * This function writes a journal using POSIX routines. It is used - * for creating external journals and creating journals on live - * filesystems. - */ -static errcode_t write_journal_file(ext2_filsys fs, char *filename, - blk_t size, int flags) -{ - errcode_t retval; - char *buf = 0; - int fd, ret_size; - blk_t i; - - if ((retval = ext2fs_create_journal_superblock(fs, size, flags, &buf))) - return retval; - - /* Open the device or journal file */ - if ((fd = open(filename, O_WRONLY)) < 0) { - retval = errno; - goto errout; - } - - /* Write the superblock out */ - retval = EXT2_ET_SHORT_WRITE; - ret_size = write(fd, buf, fs->blocksize); - if (ret_size < 0) { - retval = errno; - goto errout; - } - if (ret_size != (int) fs->blocksize) - goto errout; - memset(buf, 0, fs->blocksize); - - for (i = 1; i < size; i++) { - ret_size = write(fd, buf, fs->blocksize); - if (ret_size < 0) { - retval = errno; - goto errout; - } - if (ret_size != (int) fs->blocksize) - goto errout; - } - close(fd); - - retval = 0; -errout: - ext2fs_free_mem(&buf); - return retval; -} - -/* - * Helper function for creating the journal using direct I/O routines - */ -struct mkjournal_struct { - int num_blocks; - int newblocks; - char *buf; - errcode_t err; -}; - -static int mkjournal_proc(ext2_filsys fs, - blk_t *blocknr, - e2_blkcnt_t blockcnt, - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct mkjournal_struct *es = (struct mkjournal_struct *) priv_data; - blk_t new_blk; - static blk_t last_blk = 0; - errcode_t retval; - - if (*blocknr) { - last_blk = *blocknr; - return 0; - } - retval = ext2fs_new_block(fs, last_blk, 0, &new_blk); - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - if (blockcnt > 0) - es->num_blocks--; - - es->newblocks++; - retval = io_channel_write_blk(fs->io, new_blk, 1, es->buf); - - if (blockcnt == 0) - memset(es->buf, 0, fs->blocksize); - - if (retval) { - es->err = retval; - return BLOCK_ABORT; - } - *blocknr = new_blk; - last_blk = new_blk; - ext2fs_block_alloc_stats(fs, new_blk, +1); - - if (es->num_blocks == 0) - return (BLOCK_CHANGED | BLOCK_ABORT); - else - return BLOCK_CHANGED; - -} - -/* - * This function creates a journal using direct I/O routines. - */ -static errcode_t write_journal_inode(ext2_filsys fs, ext2_ino_t journal_ino, - blk_t size, int flags) -{ - char *buf; - errcode_t retval; - struct ext2_inode inode; - struct mkjournal_struct es; - - if ((retval = ext2fs_create_journal_superblock(fs, size, flags, &buf))) - return retval; - - if ((retval = ext2fs_read_bitmaps(fs))) - return retval; - - if ((retval = ext2fs_read_inode(fs, journal_ino, &inode))) - return retval; - - if (inode.i_blocks > 0) - return EEXIST; - - es.num_blocks = size; - es.newblocks = 0; - es.buf = buf; - es.err = 0; - - retval = ext2fs_block_iterate2(fs, journal_ino, BLOCK_FLAG_APPEND, - 0, mkjournal_proc, &es); - if (es.err) { - retval = es.err; - goto errout; - } - - if ((retval = ext2fs_read_inode(fs, journal_ino, &inode))) - goto errout; - - inode.i_size += fs->blocksize * size; - inode.i_blocks += (fs->blocksize / 512) * es.newblocks; - inode.i_mtime = inode.i_ctime = time(0); - inode.i_links_count = 1; - inode.i_mode = LINUX_S_IFREG | 0600; - - if ((retval = ext2fs_write_inode(fs, journal_ino, &inode))) - goto errout; - retval = 0; - - memcpy(fs->super->s_jnl_blocks, inode.i_block, EXT2_N_BLOCKS*4); - fs->super->s_jnl_blocks[16] = inode.i_size; - fs->super->s_jnl_backup_type = EXT3_JNL_BACKUP_BLOCKS; - ext2fs_mark_super_dirty(fs); - -errout: - ext2fs_free_mem(&buf); - return retval; -} - -/* - * This function adds a journal device to a filesystem - */ -errcode_t ext2fs_add_journal_device(ext2_filsys fs, ext2_filsys journal_dev) -{ - struct stat st; - errcode_t retval; - char buf[1024]; - journal_superblock_t *jsb; - int start; - __u32 i, nr_users; - - /* Make sure the device exists and is a block device */ - if (stat(journal_dev->device_name, &st) < 0) - return errno; - - if (!S_ISBLK(st.st_mode)) - return EXT2_ET_JOURNAL_NOT_BLOCK; /* Must be a block device */ - - /* Get the journal superblock */ - start = 1; - if (journal_dev->blocksize == 1024) - start++; - if ((retval = io_channel_read_blk(journal_dev->io, start, -1024, buf))) - return retval; - - jsb = (journal_superblock_t *) buf; - if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) || - (jsb->s_header.h_blocktype != (unsigned) ntohl(JFS_SUPERBLOCK_V2))) - return EXT2_ET_NO_JOURNAL_SB; - - if (ntohl(jsb->s_blocksize) != (unsigned long) fs->blocksize) - return EXT2_ET_UNEXPECTED_BLOCK_SIZE; - - /* Check and see if this filesystem has already been added */ - nr_users = ntohl(jsb->s_nr_users); - for (i=0; i < nr_users; i++) { - if (memcmp(fs->super->s_uuid, - &jsb->s_users[i*16], 16) == 0) - break; - } - if (i >= nr_users) { - memcpy(&jsb->s_users[nr_users*16], - fs->super->s_uuid, 16); - jsb->s_nr_users = htonl(nr_users+1); - } - - /* Writeback the journal superblock */ - if ((retval = io_channel_write_blk(journal_dev->io, start, -1024, buf))) - return retval; - - fs->super->s_journal_inum = 0; - fs->super->s_journal_dev = st.st_rdev; - memcpy(fs->super->s_journal_uuid, jsb->s_uuid, - sizeof(fs->super->s_journal_uuid)); - fs->super->s_feature_compat |= EXT3_FEATURE_COMPAT_HAS_JOURNAL; - ext2fs_mark_super_dirty(fs); - return 0; -} - -/* - * This function adds a journal inode to a filesystem, using either - * POSIX routines if the filesystem is mounted, or using direct I/O - * functions if it is not. - */ -errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size, int flags) -{ - errcode_t retval; - ext2_ino_t journal_ino; - struct stat st; - char jfile[1024]; - int fd, mount_flags, f; - - retval = ext2fs_check_mount_point(fs->device_name, &mount_flags, - jfile, sizeof(jfile)-10); - if (retval) - return retval; - - if (mount_flags & EXT2_MF_MOUNTED) { - strcat(jfile, "/.journal"); - - /* - * If .../.journal already exists, make sure any - * immutable or append-only flags are cleared. - */ -#if defined(HAVE_CHFLAGS) && defined(UF_NODUMP) - (void) chflags (jfile, 0); -#else -#if HAVE_EXT2_IOCTLS - fd = open(jfile, O_RDONLY); - if (fd >= 0) { - f = 0; - ioctl(fd, EXT2_IOC_SETFLAGS, &f); - close(fd); - } -#endif -#endif - - /* Create the journal file */ - if ((fd = open(jfile, O_CREAT|O_WRONLY, 0600)) < 0) - return errno; - - if ((retval = write_journal_file(fs, jfile, size, flags))) - goto errout; - - /* Get inode number of the journal file */ - if (fstat(fd, &st) < 0) - goto errout; - -#if defined(HAVE_CHFLAGS) && defined(UF_NODUMP) - retval = fchflags (fd, UF_NODUMP|UF_IMMUTABLE); -#else -#if HAVE_EXT2_IOCTLS - f = EXT2_NODUMP_FL | EXT2_IMMUTABLE_FL; - retval = ioctl(fd, EXT2_IOC_SETFLAGS, &f); -#endif -#endif - if (retval) - goto errout; - - close(fd); - journal_ino = st.st_ino; - } else { - journal_ino = EXT2_JOURNAL_INO; - if ((retval = write_journal_inode(fs, journal_ino, - size, flags))) - return retval; - } - - fs->super->s_journal_inum = journal_ino; - fs->super->s_journal_dev = 0; - memset(fs->super->s_journal_uuid, 0, - sizeof(fs->super->s_journal_uuid)); - fs->super->s_feature_compat |= EXT3_FEATURE_COMPAT_HAS_JOURNAL; - - ext2fs_mark_super_dirty(fs); - return 0; -errout: - close(fd); - return retval; -} - -#ifdef DEBUG -main(int argc, char **argv) -{ - errcode_t retval; - char *device_name; - ext2_filsys fs; - - if (argc < 2) { - fprintf(stderr, "Usage: %s filesystem\n", argv[0]); - exit(1); - } - device_name = argv[1]; - - retval = ext2fs_open (device_name, EXT2_FLAG_RW, 0, 0, - unix_io_manager, &fs); - if (retval) { - com_err(argv[0], retval, "while opening %s", device_name); - exit(1); - } - - retval = ext2fs_add_journal_inode(fs, 1024); - if (retval) { - com_err(argv[0], retval, "while adding journal to %s", - device_name); - exit(1); - } - retval = ext2fs_flush(fs); - if (retval) { - printf("Warning, had trouble writing out superblocks.\n"); - } - ext2fs_close(fs); - exit(0); - -} -#endif diff --git a/e2fsprogs/ext2fs/namei.c b/e2fsprogs/ext2fs/namei.c deleted file mode 100644 index 988967009..000000000 --- a/e2fsprogs/ext2fs/namei.c +++ /dev/null @@ -1,205 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * namei.c --- ext2fs directory lookup operations - * - * Copyright (C) 1993, 1994, 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -/* #define NAMEI_DEBUG */ - -#include "ext2_fs.h" -#include "ext2fs.h" - -static errcode_t open_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t base, - const char *pathname, size_t pathlen, int follow, - int link_count, char *buf, ext2_ino_t *res_inode); - -static errcode_t follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t dir, - ext2_ino_t inode, int link_count, - char *buf, ext2_ino_t *res_inode) -{ - char *pathname; - char *buffer = 0; - errcode_t retval; - struct ext2_inode ei; - -#ifdef NAMEI_DEBUG - printf("follow_link: root=%lu, dir=%lu, inode=%lu, lc=%d\n", - root, dir, inode, link_count); - -#endif - retval = ext2fs_read_inode (fs, inode, &ei); - if (retval) return retval; - if (!LINUX_S_ISLNK (ei.i_mode)) { - *res_inode = inode; - return 0; - } - if (link_count++ > 5) { - return EXT2_ET_SYMLINK_LOOP; - } - if (ext2fs_inode_data_blocks(fs,&ei)) { - retval = ext2fs_get_mem(fs->blocksize, &buffer); - if (retval) - return retval; - retval = io_channel_read_blk(fs->io, ei.i_block[0], 1, buffer); - if (retval) { - ext2fs_free_mem(&buffer); - return retval; - } - pathname = buffer; - } else - pathname = (char *)&(ei.i_block[0]); - retval = open_namei(fs, root, dir, pathname, ei.i_size, 1, - link_count, buf, res_inode); - ext2fs_free_mem(&buffer); - return retval; -} - -/* - * This routine interprets a pathname in the context of the current - * directory and the root directory, and returns the inode of the - * containing directory, and a pointer to the filename of the file - * (pointing into the pathname) and the length of the filename. - */ -static errcode_t dir_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t dir, - const char *pathname, int pathlen, - int link_count, char *buf, - const char **name, int *namelen, - ext2_ino_t *res_inode) -{ - char c; - const char *thisname; - int len; - ext2_ino_t inode; - errcode_t retval; - - if ((c = *pathname) == '/') { - dir = root; - pathname++; - pathlen--; - } - while (1) { - thisname = pathname; - for (len=0; --pathlen >= 0;len++) { - c = *(pathname++); - if (c == '/') - break; - } - if (pathlen < 0) - break; - retval = ext2fs_lookup (fs, dir, thisname, len, buf, &inode); - if (retval) return retval; - retval = follow_link (fs, root, dir, inode, - link_count, buf, &dir); - if (retval) return retval; - } - *name = thisname; - *namelen = len; - *res_inode = dir; - return 0; -} - -static errcode_t open_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t base, - const char *pathname, size_t pathlen, int follow, - int link_count, char *buf, ext2_ino_t *res_inode) -{ - const char *basename; - int namelen; - ext2_ino_t dir, inode; - errcode_t retval; - -#ifdef NAMEI_DEBUG - printf("open_namei: root=%lu, dir=%lu, path=%*s, lc=%d\n", - root, base, pathlen, pathname, link_count); -#endif - retval = dir_namei(fs, root, base, pathname, pathlen, - link_count, buf, &basename, &namelen, &dir); - if (retval) return retval; - if (!namelen) { /* special case: '/usr/' etc */ - *res_inode=dir; - return 0; - } - retval = ext2fs_lookup (fs, dir, basename, namelen, buf, &inode); - if (retval) - return retval; - if (follow) { - retval = follow_link(fs, root, dir, inode, link_count, - buf, &inode); - if (retval) - return retval; - } -#ifdef NAMEI_DEBUG - printf("open_namei: (link_count=%d) returns %lu\n", - link_count, inode); -#endif - *res_inode = inode; - return 0; -} - -errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - - retval = open_namei(fs, root, cwd, name, strlen(name), 0, 0, - buf, inode); - - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - const char *name, ext2_ino_t *inode) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - - retval = open_namei(fs, root, cwd, name, strlen(name), 1, 0, - buf, inode); - - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, - ext2_ino_t inode, ext2_ino_t *res_inode) -{ - char *buf; - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - - retval = follow_link(fs, root, cwd, inode, 0, buf, res_inode); - - ext2fs_free_mem(&buf); - return retval; -} - diff --git a/e2fsprogs/ext2fs/newdir.c b/e2fsprogs/ext2fs/newdir.c deleted file mode 100644 index 9470e7f56..000000000 --- a/e2fsprogs/ext2fs/newdir.c +++ /dev/null @@ -1,73 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * newdir.c --- create a new directory block - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -#ifndef EXT2_FT_DIR -#define EXT2_FT_DIR 2 -#endif - -/* - * Create new directory block - */ -errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, - ext2_ino_t parent_ino, char **block) -{ - struct ext2_dir_entry *dir = NULL; - errcode_t retval; - char *buf; - int rec_len; - int filetype = 0; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - retval = ext2fs_get_mem(fs->blocksize, &buf); - if (retval) - return retval; - memset(buf, 0, fs->blocksize); - dir = (struct ext2_dir_entry *) buf; - dir->rec_len = fs->blocksize; - - if (dir_ino) { - if (fs->super->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_FILETYPE) - filetype = EXT2_FT_DIR << 8; - /* - * Set up entry for '.' - */ - dir->inode = dir_ino; - dir->name_len = 1 | filetype; - dir->name[0] = '.'; - rec_len = dir->rec_len - EXT2_DIR_REC_LEN(1); - dir->rec_len = EXT2_DIR_REC_LEN(1); - - /* - * Set up entry for '..' - */ - dir = (struct ext2_dir_entry *) (buf + dir->rec_len); - dir->rec_len = rec_len; - dir->inode = parent_ino; - dir->name_len = 2 | filetype; - dir->name[0] = '.'; - dir->name[1] = '.'; - - } - *block = buf; - return 0; -} diff --git a/e2fsprogs/ext2fs/openfs.c b/e2fsprogs/ext2fs/openfs.c deleted file mode 100644 index 716be060f..000000000 --- a/e2fsprogs/ext2fs/openfs.c +++ /dev/null @@ -1,330 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * openfs.c --- open an ext2 filesystem - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" - - -#include "ext2fs.h" -#include "e2image.h" - -blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, dgrp_t i) -{ - int bg; - int has_super = 0; - int ret_blk; - - if (!(fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) || - (i < fs->super->s_first_meta_bg)) - return (group_block + i + 1); - - bg = (fs->blocksize / sizeof (struct ext2_group_desc)) * i; - if (ext2fs_bg_has_super(fs, bg)) - has_super = 1; - ret_blk = (fs->super->s_first_data_block + has_super + - (bg * fs->super->s_blocks_per_group)); - /* - * If group_block is not the normal value, we're trying to use - * the backup group descriptors and superblock --- so use the - * alternate location of the second block group in the - * metablock group. Ideally we should be testing each bg - * descriptor block individually for correctness, but we don't - * have the infrastructure in place to do that. - */ - if (group_block != fs->super->s_first_data_block && - ((ret_blk + fs->super->s_blocks_per_group) < - fs->super->s_blocks_count)) - ret_blk += fs->super->s_blocks_per_group; - return ret_blk; -} - -errcode_t ext2fs_open(const char *name, int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs) -{ - return ext2fs_open2(name, 0, flags, superblock, block_size, - manager, ret_fs); -} - -/* - * Note: if superblock is non-zero, block-size must also be non-zero. - * Superblock and block_size can be zero to use the default size. - * - * Valid flags for ext2fs_open() - * - * EXT2_FLAG_RW - Open the filesystem for read/write. - * EXT2_FLAG_FORCE - Open the filesystem even if some of the - * features aren't supported. - * EXT2_FLAG_JOURNAL_DEV_OK - Open an ext3 journal device - */ -errcode_t ext2fs_open2(const char *name, const char *io_options, - int flags, int superblock, - unsigned int block_size, io_manager manager, - ext2_filsys *ret_fs) -{ - ext2_filsys fs; - errcode_t retval; - unsigned long i; - int groups_per_block, blocks_per_group; - blk_t group_block, blk; - char *dest, *cp; -#if BB_BIG_ENDIAN - int j; - struct ext2_group_desc *gdp; -#endif - - EXT2_CHECK_MAGIC(manager, EXT2_ET_MAGIC_IO_MANAGER); - - retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); - if (retval) - return retval; - - memset(fs, 0, sizeof(struct struct_ext2_filsys)); - fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS; - fs->flags = flags; - fs->umask = 022; - retval = ext2fs_get_mem(strlen(name)+1, &fs->device_name); - if (retval) - goto cleanup; - strcpy(fs->device_name, name); - cp = strchr(fs->device_name, '?'); - if (!io_options && cp) { - *cp++ = 0; - io_options = cp; - } - - retval = manager->open(fs->device_name, - (flags & EXT2_FLAG_RW) ? IO_FLAG_RW : 0, - &fs->io); - if (retval) - goto cleanup; - if (io_options && - (retval = io_channel_set_options(fs->io, io_options))) - goto cleanup; - fs->image_io = fs->io; - fs->io->app_data = fs; - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->super); - if (retval) - goto cleanup; - if (flags & EXT2_FLAG_IMAGE_FILE) { - retval = ext2fs_get_mem(sizeof(struct ext2_image_hdr), - &fs->image_header); - if (retval) - goto cleanup; - retval = io_channel_read_blk(fs->io, 0, - -(int)sizeof(struct ext2_image_hdr), - fs->image_header); - if (retval) - goto cleanup; - if (fs->image_header->magic_number != EXT2_ET_MAGIC_E2IMAGE) - return EXT2_ET_MAGIC_E2IMAGE; - superblock = 1; - block_size = fs->image_header->fs_blocksize; - } - - /* - * If the user specifies a specific block # for the - * superblock, then he/she must also specify the block size! - * Otherwise, read the master superblock located at offset - * SUPERBLOCK_OFFSET from the start of the partition. - * - * Note: we only save a backup copy of the superblock if we - * are reading the superblock from the primary superblock location. - */ - if (superblock) { - if (!block_size) { - retval = EXT2_ET_INVALID_ARGUMENT; - goto cleanup; - } - io_channel_set_blksize(fs->io, block_size); - group_block = superblock; - fs->orig_super = 0; - } else { - io_channel_set_blksize(fs->io, SUPERBLOCK_OFFSET); - superblock = 1; - group_block = 0; - retval = ext2fs_get_mem(SUPERBLOCK_SIZE, &fs->orig_super); - if (retval) - goto cleanup; - } - retval = io_channel_read_blk(fs->io, superblock, -SUPERBLOCK_SIZE, - fs->super); - if (retval) - goto cleanup; - if (fs->orig_super) - memcpy(fs->orig_super, fs->super, SUPERBLOCK_SIZE); - -#if BB_BIG_ENDIAN - if ((fs->super->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC)) || - (fs->flags & EXT2_FLAG_SWAP_BYTES)) { - fs->flags |= EXT2_FLAG_SWAP_BYTES; - - ext2fs_swap_super(fs->super); - } -#endif - - if (fs->super->s_magic != EXT2_SUPER_MAGIC) { - retval = EXT2_ET_BAD_MAGIC; - goto cleanup; - } - if (fs->super->s_rev_level > EXT2_LIB_CURRENT_REV) { - retval = EXT2_ET_REV_TOO_HIGH; - goto cleanup; - } - - /* - * Check for feature set incompatibility - */ - if (!(flags & EXT2_FLAG_FORCE)) { - if (fs->super->s_feature_incompat & - ~EXT2_LIB_FEATURE_INCOMPAT_SUPP) { - retval = EXT2_ET_UNSUPP_FEATURE; - goto cleanup; - } - if ((flags & EXT2_FLAG_RW) && - (fs->super->s_feature_ro_compat & - ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP)) { - retval = EXT2_ET_RO_UNSUPP_FEATURE; - goto cleanup; - } - if (!(flags & EXT2_FLAG_JOURNAL_DEV_OK) && - (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) { - retval = EXT2_ET_UNSUPP_FEATURE; - goto cleanup; - } - } - - fs->blocksize = EXT2_BLOCK_SIZE(fs->super); - if (fs->blocksize == 0) { - retval = EXT2_ET_CORRUPT_SUPERBLOCK; - goto cleanup; - } - fs->fragsize = EXT2_FRAG_SIZE(fs->super); - fs->inode_blocks_per_group = ((fs->super->s_inodes_per_group * - EXT2_INODE_SIZE(fs->super) + - EXT2_BLOCK_SIZE(fs->super) - 1) / - EXT2_BLOCK_SIZE(fs->super)); - if (block_size) { - if (block_size != fs->blocksize) { - retval = EXT2_ET_UNEXPECTED_BLOCK_SIZE; - goto cleanup; - } - } - /* - * Set the blocksize to the filesystem's blocksize. - */ - io_channel_set_blksize(fs->io, fs->blocksize); - - /* - * If this is an external journal device, don't try to read - * the group descriptors, because they're not there. - */ - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - fs->group_desc_count = 0; - *ret_fs = fs; - return 0; - } - - /* - * Read group descriptors - */ - blocks_per_group = EXT2_BLOCKS_PER_GROUP(fs->super); - if (blocks_per_group == 0 || - blocks_per_group > EXT2_MAX_BLOCKS_PER_GROUP(fs->super) || - fs->inode_blocks_per_group > EXT2_MAX_INODES_PER_GROUP(fs->super)) { - retval = EXT2_ET_CORRUPT_SUPERBLOCK; - goto cleanup; - } - fs->group_desc_count = (fs->super->s_blocks_count - - fs->super->s_first_data_block + - blocks_per_group - 1) / blocks_per_group; - fs->desc_blocks = (fs->group_desc_count + - EXT2_DESC_PER_BLOCK(fs->super) - 1) - / EXT2_DESC_PER_BLOCK(fs->super); - retval = ext2fs_get_mem(fs->desc_blocks * fs->blocksize, - &fs->group_desc); - if (retval) - goto cleanup; - if (!group_block) - group_block = fs->super->s_first_data_block; - dest = (char *) fs->group_desc; - groups_per_block = fs->blocksize / sizeof(struct ext2_group_desc); - for (i=0 ; i < fs->desc_blocks; i++) { - blk = ext2fs_descriptor_block_loc(fs, group_block, i); - retval = io_channel_read_blk(fs->io, blk, 1, dest); - if (retval) - goto cleanup; -#if BB_BIG_ENDIAN - if (fs->flags & EXT2_FLAG_SWAP_BYTES) { - gdp = (struct ext2_group_desc *) dest; - for (j=0; j < groups_per_block; j++) - ext2fs_swap_group_desc(gdp++); - } -#endif - dest += fs->blocksize; - } - - *ret_fs = fs; - return 0; -cleanup: - ext2fs_free(fs); - return retval; -} - -/* - * Set/get the filesystem data I/O channel. - * - * These functions are only valid if EXT2_FLAG_IMAGE_FILE is true. - */ -errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io) -{ - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) - return EXT2_ET_NOT_IMAGE_FILE; - if (old_io) { - *old_io = (fs->image_io == fs->io) ? 0 : fs->io; - } - return 0; -} - -errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io) -{ - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) - return EXT2_ET_NOT_IMAGE_FILE; - fs->io = new_io ? new_io : fs->image_io; - return 0; -} - -errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io) -{ - if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) - return EXT2_ET_NOT_IMAGE_FILE; - fs->io = fs->image_io = new_io; - fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_RW | - EXT2_FLAG_BB_DIRTY | EXT2_FLAG_IB_DIRTY; - fs->flags &= ~EXT2_FLAG_IMAGE_FILE; - return 0; -} diff --git a/e2fsprogs/ext2fs/read_bb.c b/e2fsprogs/ext2fs/read_bb.c deleted file mode 100644 index 4766157c2..000000000 --- a/e2fsprogs/ext2fs/read_bb.c +++ /dev/null @@ -1,98 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * read_bb --- read the bad blocks inode - * - * Copyright (C) 1994 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct read_bb_record { - ext2_badblocks_list bb_list; - errcode_t err; -}; - -/* - * Helper function for ext2fs_read_bb_inode() - */ -#ifdef __TURBOC__ -# pragma argsused -#endif -static int mark_bad_block(ext2_filsys fs, blk_t *block_nr, - e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), - blk_t ref_block EXT2FS_ATTR((unused)), - int ref_offset EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct read_bb_record *rb = (struct read_bb_record *) priv_data; - - if (blockcnt < 0) - return 0; - - if ((*block_nr < fs->super->s_first_data_block) || - (*block_nr >= fs->super->s_blocks_count)) - return 0; /* Ignore illegal blocks */ - - rb->err = ext2fs_badblocks_list_add(rb->bb_list, *block_nr); - if (rb->err) - return BLOCK_ABORT; - return 0; -} - -/* - * Reads the current bad blocks from the bad blocks inode. - */ -errcode_t ext2fs_read_bb_inode(ext2_filsys fs, ext2_badblocks_list *bb_list) -{ - errcode_t retval; - struct read_bb_record rb; - struct ext2_inode inode; - blk_t numblocks; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!*bb_list) { - retval = ext2fs_read_inode(fs, EXT2_BAD_INO, &inode); - if (retval) - return retval; - if (inode.i_blocks < 500) - numblocks = (inode.i_blocks / - (fs->blocksize / 512)) + 20; - else - numblocks = 500; - retval = ext2fs_badblocks_list_create(bb_list, numblocks); - if (retval) - return retval; - } - - rb.bb_list = *bb_list; - rb.err = 0; - retval = ext2fs_block_iterate2(fs, EXT2_BAD_INO, 0, 0, - mark_bad_block, &rb); - if (retval) - return retval; - - return rb.err; -} - - diff --git a/e2fsprogs/ext2fs/read_bb_file.c b/e2fsprogs/ext2fs/read_bb_file.c deleted file mode 100644 index 831adcc3a..000000000 --- a/e2fsprogs/ext2fs/read_bb_file.c +++ /dev/null @@ -1,98 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * read_bb_file.c --- read a list of bad blocks from a FILE * - * - * Copyright (C) 1994, 1995, 2000 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Reads a list of bad blocks from a FILE * - */ -errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void *priv_data, - void (*invalid)(ext2_filsys fs, - blk_t blk, - char *badstr, - void *priv_data)) -{ - errcode_t retval; - blk_t blockno; - int count; - char buf[128]; - - if (fs) - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!*bb_list) { - retval = ext2fs_badblocks_list_create(bb_list, 10); - if (retval) - return retval; - } - - while (!feof (f)) { - if (fgets(buf, sizeof(buf), f) == NULL) - break; - count = sscanf(buf, "%u", &blockno); - if (count <= 0) - continue; - if (fs && - ((blockno < fs->super->s_first_data_block) || - (blockno >= fs->super->s_blocks_count))) { - if (invalid) - (invalid)(fs, blockno, buf, priv_data); - continue; - } - retval = ext2fs_badblocks_list_add(*bb_list, blockno); - if (retval) - return retval; - } - return 0; -} - -static void call_compat_invalid(ext2_filsys fs, blk_t blk, - char *badstr EXT2FS_ATTR((unused)), - void *priv_data) -{ - void (*invalid)(ext2_filsys, blk_t); - - invalid = (void (*)(ext2_filsys, blk_t)) priv_data; - if (invalid) - invalid(fs, blk); -} - - -/* - * Reads a list of bad blocks from a FILE * - */ -errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, - ext2_badblocks_list *bb_list, - void (*invalid)(ext2_filsys fs, blk_t blk)) -{ - return ext2fs_read_bb_FILE2(fs, f, bb_list, (void *) invalid, - call_compat_invalid); -} - - diff --git a/e2fsprogs/ext2fs/res_gdt.c b/e2fsprogs/ext2fs/res_gdt.c deleted file mode 100644 index f7ee8b1fb..000000000 --- a/e2fsprogs/ext2fs/res_gdt.c +++ /dev/null @@ -1,221 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * res_gdt.c --- reserve blocks for growing the group descriptor table - * during online resizing. - * - * Copyright (C) 2002 Andreas Dilger - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#include <time.h> -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * Iterate through the groups which hold BACKUP superblock/GDT copies in an - * ext3 filesystem. The counters should be initialized to 1, 5, and 7 before - * calling this for the first time. In a sparse filesystem it will be the - * sequence of powers of 3, 5, and 7: 1, 3, 5, 7, 9, 25, 27, 49, 81, ... - * For a non-sparse filesystem it will be every group: 1, 2, 3, 4, ... - */ -static unsigned int list_backups(ext2_filsys fs, unsigned int *three, - unsigned int *five, unsigned int *seven) -{ - unsigned int *min = three; - int mult = 3; - unsigned int ret; - - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { - ret = *min; - *min += 1; - return ret; - } - - if (*five < *min) { - min = five; - mult = 5; - } - if (*seven < *min) { - min = seven; - mult = 7; - } - - ret = *min; - *min *= mult; - - return ret; -} - -/* - * This code assumes that the reserved blocks have already been marked in-use - * during ext2fs_initialize(), so that they are not allocated for other - * uses before we can add them to the resize inode (which has to come - * after the creation of the inode table). - */ -errcode_t ext2fs_create_resize_inode(ext2_filsys fs) -{ - errcode_t retval, retval2; - struct ext2_super_block *sb; - struct ext2_inode inode; - __u32 *dindir_buf, *gdt_buf; - int rsv_add; - unsigned long long apb, inode_size; - blk_t dindir_blk, rsv_off, gdt_off, gdt_blk; - int dindir_dirty = 0, inode_dirty = 0; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - sb = fs->super; - - retval = ext2fs_get_mem(2 * fs->blocksize, (void *)&dindir_buf); - if (retval) - goto out_free; - gdt_buf = (__u32 *)((char *)dindir_buf + fs->blocksize); - - retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode); - if (retval) - goto out_free; - - /* Maximum possible file size (we donly use the dindirect blocks) */ - apb = EXT2_ADDR_PER_BLOCK(sb); - rsv_add = fs->blocksize / 512; - if ((dindir_blk = inode.i_block[EXT2_DIND_BLOCK])) { -#ifdef RES_GDT_DEBUG - printf("reading GDT dindir %u\n", dindir_blk); -#endif - retval = ext2fs_read_ind_block(fs, dindir_blk, dindir_buf); - if (retval) - goto out_inode; - } else { - blk_t goal = 3 + sb->s_reserved_gdt_blocks + - fs->desc_blocks + fs->inode_blocks_per_group; - - retval = ext2fs_alloc_block(fs, goal, 0, &dindir_blk); - if (retval) - goto out_free; - inode.i_mode = LINUX_S_IFREG | 0600; - inode.i_links_count = 1; - inode.i_block[EXT2_DIND_BLOCK] = dindir_blk; - inode.i_blocks = rsv_add; - memset(dindir_buf, 0, fs->blocksize); -#ifdef RES_GDT_DEBUG - printf("allocated GDT dindir %u\n", dindir_blk); -#endif - dindir_dirty = inode_dirty = 1; - inode_size = apb*apb + apb + EXT2_NDIR_BLOCKS; - inode_size *= fs->blocksize; - inode.i_size = inode_size & 0xFFFFFFFF; - inode.i_size_high = (inode_size >> 32) & 0xFFFFFFFF; - if(inode.i_size_high) { - sb->s_feature_ro_compat |= - EXT2_FEATURE_RO_COMPAT_LARGE_FILE; - } - inode.i_ctime = time(0); - } - - for (rsv_off = 0, gdt_off = fs->desc_blocks, - gdt_blk = sb->s_first_data_block + 1 + fs->desc_blocks; - rsv_off < sb->s_reserved_gdt_blocks; - rsv_off++, gdt_off++, gdt_blk++) { - unsigned int three = 1, five = 5, seven = 7; - unsigned int grp, last = 0; - int gdt_dirty = 0; - - gdt_off %= apb; - if (!dindir_buf[gdt_off]) { - /* FIXME XXX XXX - blk_t new_blk; - - retval = ext2fs_new_block(fs, gdt_blk, 0, &new_blk); - if (retval) - goto out_free; - if (new_blk != gdt_blk) { - // XXX free block - retval = -1; // XXX - } - */ - gdt_dirty = dindir_dirty = inode_dirty = 1; - memset(gdt_buf, 0, fs->blocksize); - dindir_buf[gdt_off] = gdt_blk; - inode.i_blocks += rsv_add; -#ifdef RES_GDT_DEBUG - printf("added primary GDT block %u at %u[%u]\n", - gdt_blk, dindir_blk, gdt_off); -#endif - } else if (dindir_buf[gdt_off] == gdt_blk) { -#ifdef RES_GDT_DEBUG - printf("reading primary GDT block %u\n", gdt_blk); -#endif - retval = ext2fs_read_ind_block(fs, gdt_blk, gdt_buf); - if (retval) - goto out_dindir; - } else { -#ifdef RES_GDT_DEBUG - printf("bad primary GDT %u != %u at %u[%u]\n", - dindir_buf[gdt_off], gdt_blk,dindir_blk,gdt_off); -#endif - retval = EXT2_ET_RESIZE_INODE_CORRUPT; - goto out_dindir; - } - - while ((grp = list_backups(fs, &three, &five, &seven)) < - fs->group_desc_count) { - blk_t expect = gdt_blk + grp * sb->s_blocks_per_group; - - if (!gdt_buf[last]) { -#ifdef RES_GDT_DEBUG - printf("added backup GDT %u grp %u@%u[%u]\n", - expect, grp, gdt_blk, last); -#endif - gdt_buf[last] = expect; - inode.i_blocks += rsv_add; - gdt_dirty = inode_dirty = 1; - } else if (gdt_buf[last] != expect) { -#ifdef RES_GDT_DEBUG - printf("bad backup GDT %u != %u at %u[%u]\n", - gdt_buf[last], expect, gdt_blk, last); -#endif - retval = EXT2_ET_RESIZE_INODE_CORRUPT; - goto out_dindir; - } - last++; - } - if (gdt_dirty) { -#ifdef RES_GDT_DEBUG - printf("writing primary GDT block %u\n", gdt_blk); -#endif - retval = ext2fs_write_ind_block(fs, gdt_blk, gdt_buf); - if (retval) - goto out_dindir; - } - } - -out_dindir: - if (dindir_dirty) { - retval2 = ext2fs_write_ind_block(fs, dindir_blk, dindir_buf); - if (!retval) - retval = retval2; - } -out_inode: -#ifdef RES_GDT_DEBUG - printf("inode.i_blocks = %u, i_size = %u\n", inode.i_blocks, - inode.i_size); -#endif - if (inode_dirty) { - inode.i_atime = inode.i_mtime = time(0); - retval2 = ext2fs_write_inode(fs, EXT2_RESIZE_INO, &inode); - if (!retval) - retval = retval2; - } -out_free: - ext2fs_free_mem((void *)&dindir_buf); - return retval; -} - diff --git a/e2fsprogs/ext2fs/rs_bitmap.c b/e2fsprogs/ext2fs/rs_bitmap.c deleted file mode 100644 index e932b3c9d..000000000 --- a/e2fsprogs/ext2fs/rs_bitmap.c +++ /dev/null @@ -1,107 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * rs_bitmap.c --- routine for changing the size of a bitmap - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_resize_generic_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_generic_bitmap bmap) -{ - errcode_t retval; - size_t size, new_size; - __u32 bitno; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_GENERIC_BITMAP); - - /* - * If we're expanding the bitmap, make sure all of the new - * parts of the bitmap are zero. - */ - if (new_end > bmap->end) { - bitno = bmap->real_end; - if (bitno > new_end) - bitno = new_end; - for (; bitno > bmap->end; bitno--) - ext2fs_clear_bit(bitno - bmap->start, bmap->bitmap); - } - if (new_real_end == bmap->real_end) { - bmap->end = new_end; - return 0; - } - - size = ((bmap->real_end - bmap->start) / 8) + 1; - new_size = ((new_real_end - bmap->start) / 8) + 1; - - if (size != new_size) { - retval = ext2fs_resize_mem(size, new_size, &bmap->bitmap); - if (retval) - return retval; - } - if (new_size > size) - memset(bmap->bitmap + size, 0, new_size - size); - - bmap->end = new_end; - bmap->real_end = new_real_end; - return 0; -} - -errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_inode_bitmap bmap) -{ - errcode_t retval; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_INODE_BITMAP); - - bmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - retval = ext2fs_resize_generic_bitmap(new_end, new_real_end, - bmap); - bmap->magic = EXT2_ET_MAGIC_INODE_BITMAP; - return retval; -} - -errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, - ext2fs_block_bitmap bmap) -{ - errcode_t retval; - - if (!bmap) - return EXT2_ET_INVALID_ARGUMENT; - - EXT2_CHECK_MAGIC(bmap, EXT2_ET_MAGIC_BLOCK_BITMAP); - - bmap->magic = EXT2_ET_MAGIC_GENERIC_BITMAP; - retval = ext2fs_resize_generic_bitmap(new_end, new_real_end, - bmap); - bmap->magic = EXT2_ET_MAGIC_BLOCK_BITMAP; - return retval; -} - diff --git a/e2fsprogs/ext2fs/rw_bitmaps.c b/e2fsprogs/ext2fs/rw_bitmaps.c deleted file mode 100644 index a5782db95..000000000 --- a/e2fsprogs/ext2fs/rw_bitmaps.c +++ /dev/null @@ -1,296 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * rw_bitmaps.c --- routines to read and write the inode and block bitmaps. - * - * Copyright (C) 1993, 1994, 1994, 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "e2image.h" - -#if defined(__powerpc__) && BB_BIG_ENDIAN -/* - * On the PowerPC, the big-endian variant of the ext2 filesystem - * has its bitmaps stored as 32-bit words with bit 0 as the LSB - * of each word. Thus a bitmap with only bit 0 set would be, as - * a string of bytes, 00 00 00 01 00 ... - * To cope with this, we byte-reverse each word of a bitmap if - * we have a big-endian filesystem, that is, if we are *not* - * byte-swapping other word-sized numbers. - */ -#define EXT2_BIG_ENDIAN_BITMAPS -#endif - -#ifdef EXT2_BIG_ENDIAN_BITMAPS -static void ext2fs_swap_bitmap(ext2_filsys fs, char *bitmap, int nbytes) -{ - __u32 *p = (__u32 *) bitmap; - int n; - - for (n = nbytes / sizeof(__u32); n > 0; --n, ++p) - *p = ext2fs_swab32(*p); -} -#endif - -errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs) -{ - dgrp_t i; - size_t nbytes; - errcode_t retval; - char * inode_bitmap = fs->inode_map->bitmap; - char * bitmap_block = NULL; - blk_t blk; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - if (!inode_bitmap) - return 0; - nbytes = (size_t) ((EXT2_INODES_PER_GROUP(fs->super)+7) / 8); - - retval = ext2fs_get_mem(fs->blocksize, &bitmap_block); - if (retval) - return retval; - memset(bitmap_block, 0xff, fs->blocksize); - for (i = 0; i < fs->group_desc_count; i++) { - memcpy(bitmap_block, inode_bitmap, nbytes); - blk = fs->group_desc[i].bg_inode_bitmap; - if (blk) { -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) - ext2fs_swap_bitmap(fs, bitmap_block, nbytes); -#endif - retval = io_channel_write_blk(fs->io, blk, 1, - bitmap_block); - if (retval) - return EXT2_ET_INODE_BITMAP_WRITE; - } - inode_bitmap += nbytes; - } - fs->flags &= ~EXT2_FLAG_IB_DIRTY; - ext2fs_free_mem(&bitmap_block); - return 0; -} - -errcode_t ext2fs_write_block_bitmap (ext2_filsys fs) -{ - dgrp_t i; - unsigned int j; - int nbytes; - unsigned int nbits; - errcode_t retval; - char * block_bitmap = fs->block_map->bitmap; - char * bitmap_block = NULL; - blk_t blk; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - if (!block_bitmap) - return 0; - nbytes = EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - retval = ext2fs_get_mem(fs->blocksize, &bitmap_block); - if (retval) - return retval; - memset(bitmap_block, 0xff, fs->blocksize); - for (i = 0; i < fs->group_desc_count; i++) { - memcpy(bitmap_block, block_bitmap, nbytes); - if (i == fs->group_desc_count - 1) { - /* Force bitmap padding for the last group */ - nbits = ((fs->super->s_blocks_count - - fs->super->s_first_data_block) - % EXT2_BLOCKS_PER_GROUP(fs->super)); - if (nbits) - for (j = nbits; j < fs->blocksize * 8; j++) - ext2fs_set_bit(j, bitmap_block); - } - blk = fs->group_desc[i].bg_block_bitmap; - if (blk) { -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_WRITE))) - ext2fs_swap_bitmap(fs, bitmap_block, nbytes); -#endif - retval = io_channel_write_blk(fs->io, blk, 1, - bitmap_block); - if (retval) - return EXT2_ET_BLOCK_BITMAP_WRITE; - } - block_bitmap += nbytes; - } - fs->flags &= ~EXT2_FLAG_BB_DIRTY; - ext2fs_free_mem(&bitmap_block); - return 0; -} - -static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block) -{ - dgrp_t i; - char *block_bitmap = 0, *inode_bitmap = 0; - char *buf; - errcode_t retval; - int block_nbytes = (int) EXT2_BLOCKS_PER_GROUP(fs->super) / 8; - int inode_nbytes = (int) EXT2_INODES_PER_GROUP(fs->super) / 8; - blk_t blk; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - fs->write_bitmaps = ext2fs_write_bitmaps; - - retval = ext2fs_get_mem(strlen(fs->device_name) + 80, &buf); - if (retval) - return retval; - if (do_block) { - ext2fs_free_block_bitmap(fs->block_map); - sprintf(buf, "block bitmap for %s", fs->device_name); - retval = ext2fs_allocate_block_bitmap(fs, buf, &fs->block_map); - if (retval) - goto cleanup; - block_bitmap = fs->block_map->bitmap; - } - if (do_inode) { - ext2fs_free_inode_bitmap(fs->inode_map); - sprintf(buf, "inode bitmap for %s", fs->device_name); - retval = ext2fs_allocate_inode_bitmap(fs, buf, &fs->inode_map); - if (retval) - goto cleanup; - inode_bitmap = fs->inode_map->bitmap; - } - ext2fs_free_mem(&buf); - - if (fs->flags & EXT2_FLAG_IMAGE_FILE) { - if (inode_bitmap) { - blk = (fs->image_header->offset_inodemap / - fs->blocksize); - retval = io_channel_read_blk(fs->image_io, blk, - -(inode_nbytes * fs->group_desc_count), - inode_bitmap); - if (retval) - goto cleanup; - } - if (block_bitmap) { - blk = (fs->image_header->offset_blockmap / - fs->blocksize); - retval = io_channel_read_blk(fs->image_io, blk, - -(block_nbytes * fs->group_desc_count), - block_bitmap); - if (retval) - goto cleanup; - } - return 0; - } - - for (i = 0; i < fs->group_desc_count; i++) { - if (block_bitmap) { - blk = fs->group_desc[i].bg_block_bitmap; - if (blk) { - retval = io_channel_read_blk(fs->io, blk, - -block_nbytes, block_bitmap); - if (retval) { - retval = EXT2_ET_BLOCK_BITMAP_READ; - goto cleanup; - } -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ))) - ext2fs_swap_bitmap(fs, block_bitmap, block_nbytes); -#endif - } else - memset(block_bitmap, 0, block_nbytes); - block_bitmap += block_nbytes; - } - if (inode_bitmap) { - blk = fs->group_desc[i].bg_inode_bitmap; - if (blk) { - retval = io_channel_read_blk(fs->io, blk, - -inode_nbytes, inode_bitmap); - if (retval) { - retval = EXT2_ET_INODE_BITMAP_READ; - goto cleanup; - } -#ifdef EXT2_BIG_ENDIAN_BITMAPS - if (!((fs->flags & EXT2_FLAG_SWAP_BYTES) || - (fs->flags & EXT2_FLAG_SWAP_BYTES_READ))) - ext2fs_swap_bitmap(fs, inode_bitmap, inode_nbytes); -#endif - } else - memset(inode_bitmap, 0, inode_nbytes); - inode_bitmap += inode_nbytes; - } - } - return 0; - -cleanup: - if (do_block) { - ext2fs_free_mem(&fs->block_map); - } - if (do_inode) { - ext2fs_free_mem(&fs->inode_map); - } - ext2fs_free_mem(&buf); - return retval; -} - -errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs) -{ - return read_bitmaps(fs, 1, 0); -} - -errcode_t ext2fs_read_block_bitmap(ext2_filsys fs) -{ - return read_bitmaps(fs, 0, 1); -} - -errcode_t ext2fs_read_bitmaps(ext2_filsys fs) -{ - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (fs->inode_map && fs->block_map) - return 0; - - return read_bitmaps(fs, !fs->inode_map, !fs->block_map); -} - -errcode_t ext2fs_write_bitmaps(ext2_filsys fs) -{ - errcode_t retval; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (fs->block_map && ext2fs_test_bb_dirty(fs)) { - retval = ext2fs_write_block_bitmap(fs); - if (retval) - return retval; - } - if (fs->inode_map && ext2fs_test_ib_dirty(fs)) { - retval = ext2fs_write_inode_bitmap(fs); - if (retval) - return retval; - } - return 0; -} - diff --git a/e2fsprogs/ext2fs/sparse.c b/e2fsprogs/ext2fs/sparse.c deleted file mode 100644 index b3d3071e9..000000000 --- a/e2fsprogs/ext2fs/sparse.c +++ /dev/null @@ -1,79 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * sparse.c --- find the groups in an ext2 filesystem with metadata backups - * - * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * Copyright (C) 2002 Andreas Dilger. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fsP.h" - -static int test_root(int a, int b) -{ - if (a == 0) - return 1; - while (1) { - if (a == 1) - return 1; - if (a % b) - return 0; - a = a / b; - } -} - -int ext2fs_bg_has_super(ext2_filsys fs, int group_block) -{ - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) - return 1; - - if (test_root(group_block, 3) || (test_root(group_block, 5)) || - test_root(group_block, 7)) - return 1; - - return 0; -} - -/* - * Iterate through the groups which hold BACKUP superblock/GDT copies in an - * ext3 filesystem. The counters should be initialized to 1, 5, and 7 before - * calling this for the first time. In a sparse filesystem it will be the - * sequence of powers of 3, 5, and 7: 1, 3, 5, 7, 9, 25, 27, 49, 81, ... - * For a non-sparse filesystem it will be every group: 1, 2, 3, 4, ... - */ -unsigned int ext2fs_list_backups(ext2_filsys fs, unsigned int *three, - unsigned int *five, unsigned int *seven) -{ - unsigned int *min = three; - int mult = 3; - unsigned int ret; - - if (!(fs->super->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { - ret = *min; - *min += 1; - return ret; - } - - if (*five < *min) { - min = five; - mult = 5; - } - if (*seven < *min) { - min = seven; - mult = 7; - } - - ret = *min; - *min *= mult; - - return ret; -} diff --git a/e2fsprogs/ext2fs/swapfs.c b/e2fsprogs/ext2fs/swapfs.c deleted file mode 100644 index 2fca3cfbb..000000000 --- a/e2fsprogs/ext2fs/swapfs.c +++ /dev/null @@ -1,236 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * swapfs.c --- swap ext2 filesystem data structures - * - * Copyright (C) 1995, 1996, 2002 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" -#include "ext2_ext_attr.h" - -#if BB_BIG_ENDIAN -void ext2fs_swap_super(struct ext2_super_block * sb) -{ - int i; - sb->s_inodes_count = ext2fs_swab32(sb->s_inodes_count); - sb->s_blocks_count = ext2fs_swab32(sb->s_blocks_count); - sb->s_r_blocks_count = ext2fs_swab32(sb->s_r_blocks_count); - sb->s_free_blocks_count = ext2fs_swab32(sb->s_free_blocks_count); - sb->s_free_inodes_count = ext2fs_swab32(sb->s_free_inodes_count); - sb->s_first_data_block = ext2fs_swab32(sb->s_first_data_block); - sb->s_log_block_size = ext2fs_swab32(sb->s_log_block_size); - sb->s_log_frag_size = ext2fs_swab32(sb->s_log_frag_size); - sb->s_blocks_per_group = ext2fs_swab32(sb->s_blocks_per_group); - sb->s_frags_per_group = ext2fs_swab32(sb->s_frags_per_group); - sb->s_inodes_per_group = ext2fs_swab32(sb->s_inodes_per_group); - sb->s_mtime = ext2fs_swab32(sb->s_mtime); - sb->s_wtime = ext2fs_swab32(sb->s_wtime); - sb->s_mnt_count = ext2fs_swab16(sb->s_mnt_count); - sb->s_max_mnt_count = ext2fs_swab16(sb->s_max_mnt_count); - sb->s_magic = ext2fs_swab16(sb->s_magic); - sb->s_state = ext2fs_swab16(sb->s_state); - sb->s_errors = ext2fs_swab16(sb->s_errors); - sb->s_minor_rev_level = ext2fs_swab16(sb->s_minor_rev_level); - sb->s_lastcheck = ext2fs_swab32(sb->s_lastcheck); - sb->s_checkinterval = ext2fs_swab32(sb->s_checkinterval); - sb->s_creator_os = ext2fs_swab32(sb->s_creator_os); - sb->s_rev_level = ext2fs_swab32(sb->s_rev_level); - sb->s_def_resuid = ext2fs_swab16(sb->s_def_resuid); - sb->s_def_resgid = ext2fs_swab16(sb->s_def_resgid); - sb->s_first_ino = ext2fs_swab32(sb->s_first_ino); - sb->s_inode_size = ext2fs_swab16(sb->s_inode_size); - sb->s_block_group_nr = ext2fs_swab16(sb->s_block_group_nr); - sb->s_feature_compat = ext2fs_swab32(sb->s_feature_compat); - sb->s_feature_incompat = ext2fs_swab32(sb->s_feature_incompat); - sb->s_feature_ro_compat = ext2fs_swab32(sb->s_feature_ro_compat); - sb->s_algorithm_usage_bitmap = ext2fs_swab32(sb->s_algorithm_usage_bitmap); - sb->s_reserved_gdt_blocks = ext2fs_swab16(sb->s_reserved_gdt_blocks); - sb->s_journal_inum = ext2fs_swab32(sb->s_journal_inum); - sb->s_journal_dev = ext2fs_swab32(sb->s_journal_dev); - sb->s_last_orphan = ext2fs_swab32(sb->s_last_orphan); - sb->s_default_mount_opts = ext2fs_swab32(sb->s_default_mount_opts); - sb->s_first_meta_bg = ext2fs_swab32(sb->s_first_meta_bg); - sb->s_mkfs_time = ext2fs_swab32(sb->s_mkfs_time); - for (i=0; i < 4; i++) - sb->s_hash_seed[i] = ext2fs_swab32(sb->s_hash_seed[i]); - for (i=0; i < 17; i++) - sb->s_jnl_blocks[i] = ext2fs_swab32(sb->s_jnl_blocks[i]); - -} - -void ext2fs_swap_group_desc(struct ext2_group_desc *gdp) -{ - gdp->bg_block_bitmap = ext2fs_swab32(gdp->bg_block_bitmap); - gdp->bg_inode_bitmap = ext2fs_swab32(gdp->bg_inode_bitmap); - gdp->bg_inode_table = ext2fs_swab32(gdp->bg_inode_table); - gdp->bg_free_blocks_count = ext2fs_swab16(gdp->bg_free_blocks_count); - gdp->bg_free_inodes_count = ext2fs_swab16(gdp->bg_free_inodes_count); - gdp->bg_used_dirs_count = ext2fs_swab16(gdp->bg_used_dirs_count); -} - -void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, int has_header) -{ - struct ext2_ext_attr_header *from_header = - (struct ext2_ext_attr_header *)from; - struct ext2_ext_attr_header *to_header = - (struct ext2_ext_attr_header *)to; - struct ext2_ext_attr_entry *from_entry, *to_entry; - char *from_end = (char *)from_header + bufsize; - int n; - - if (to_header != from_header) - memcpy(to_header, from_header, bufsize); - - from_entry = (struct ext2_ext_attr_entry *)from_header; - to_entry = (struct ext2_ext_attr_entry *)to_header; - - if (has_header) { - to_header->h_magic = ext2fs_swab32(from_header->h_magic); - to_header->h_blocks = ext2fs_swab32(from_header->h_blocks); - to_header->h_refcount = ext2fs_swab32(from_header->h_refcount); - for (n=0; n<4; n++) - to_header->h_reserved[n] = - ext2fs_swab32(from_header->h_reserved[n]); - from_entry = (struct ext2_ext_attr_entry *)(from_header+1); - to_entry = (struct ext2_ext_attr_entry *)(to_header+1); - } - - while ((char *)from_entry < from_end && *(__u32 *)from_entry) { - to_entry->e_value_offs = - ext2fs_swab16(from_entry->e_value_offs); - to_entry->e_value_block = - ext2fs_swab32(from_entry->e_value_block); - to_entry->e_value_size = - ext2fs_swab32(from_entry->e_value_size); - from_entry = EXT2_EXT_ATTR_NEXT(from_entry); - to_entry = EXT2_EXT_ATTR_NEXT(to_entry); - } -} - -void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, - struct ext2_inode_large *f, int hostorder, - int bufsize) -{ - unsigned i; - int islnk = 0; - __u32 *eaf, *eat; - - if (hostorder && LINUX_S_ISLNK(f->i_mode)) - islnk = 1; - t->i_mode = ext2fs_swab16(f->i_mode); - if (!hostorder && LINUX_S_ISLNK(t->i_mode)) - islnk = 1; - t->i_uid = ext2fs_swab16(f->i_uid); - t->i_size = ext2fs_swab32(f->i_size); - t->i_atime = ext2fs_swab32(f->i_atime); - t->i_ctime = ext2fs_swab32(f->i_ctime); - t->i_mtime = ext2fs_swab32(f->i_mtime); - t->i_dtime = ext2fs_swab32(f->i_dtime); - t->i_gid = ext2fs_swab16(f->i_gid); - t->i_links_count = ext2fs_swab16(f->i_links_count); - t->i_blocks = ext2fs_swab32(f->i_blocks); - t->i_flags = ext2fs_swab32(f->i_flags); - t->i_file_acl = ext2fs_swab32(f->i_file_acl); - t->i_dir_acl = ext2fs_swab32(f->i_dir_acl); - if (!islnk || ext2fs_inode_data_blocks(fs, (struct ext2_inode *)t)) { - for (i = 0; i < EXT2_N_BLOCKS; i++) - t->i_block[i] = ext2fs_swab32(f->i_block[i]); - } else if (t != f) { - for (i = 0; i < EXT2_N_BLOCKS; i++) - t->i_block[i] = f->i_block[i]; - } - t->i_generation = ext2fs_swab32(f->i_generation); - t->i_faddr = ext2fs_swab32(f->i_faddr); - - switch (fs->super->s_creator_os) { - case EXT2_OS_LINUX: - t->osd1.linux1.l_i_reserved1 = - ext2fs_swab32(f->osd1.linux1.l_i_reserved1); - t->osd2.linux2.l_i_frag = f->osd2.linux2.l_i_frag; - t->osd2.linux2.l_i_fsize = f->osd2.linux2.l_i_fsize; - t->osd2.linux2.i_pad1 = ext2fs_swab16(f->osd2.linux2.i_pad1); - t->osd2.linux2.l_i_uid_high = - ext2fs_swab16 (f->osd2.linux2.l_i_uid_high); - t->osd2.linux2.l_i_gid_high = - ext2fs_swab16 (f->osd2.linux2.l_i_gid_high); - t->osd2.linux2.l_i_reserved2 = - ext2fs_swab32(f->osd2.linux2.l_i_reserved2); - break; - case EXT2_OS_HURD: - t->osd1.hurd1.h_i_translator = - ext2fs_swab32 (f->osd1.hurd1.h_i_translator); - t->osd2.hurd2.h_i_frag = f->osd2.hurd2.h_i_frag; - t->osd2.hurd2.h_i_fsize = f->osd2.hurd2.h_i_fsize; - t->osd2.hurd2.h_i_mode_high = - ext2fs_swab16 (f->osd2.hurd2.h_i_mode_high); - t->osd2.hurd2.h_i_uid_high = - ext2fs_swab16 (f->osd2.hurd2.h_i_uid_high); - t->osd2.hurd2.h_i_gid_high = - ext2fs_swab16 (f->osd2.hurd2.h_i_gid_high); - t->osd2.hurd2.h_i_author = - ext2fs_swab32 (f->osd2.hurd2.h_i_author); - break; - case EXT2_OS_MASIX: - t->osd1.masix1.m_i_reserved1 = - ext2fs_swab32(f->osd1.masix1.m_i_reserved1); - t->osd2.masix2.m_i_frag = f->osd2.masix2.m_i_frag; - t->osd2.masix2.m_i_fsize = f->osd2.masix2.m_i_fsize; - t->osd2.masix2.m_pad1 = ext2fs_swab16(f->osd2.masix2.m_pad1); - t->osd2.masix2.m_i_reserved2[0] = - ext2fs_swab32(f->osd2.masix2.m_i_reserved2[0]); - t->osd2.masix2.m_i_reserved2[1] = - ext2fs_swab32(f->osd2.masix2.m_i_reserved2[1]); - break; - } - - if (bufsize < (int) (sizeof(struct ext2_inode) + sizeof(__u16))) - return; /* no i_extra_isize field */ - - t->i_extra_isize = ext2fs_swab16(f->i_extra_isize); - if (t->i_extra_isize > EXT2_INODE_SIZE(fs->super) - - sizeof(struct ext2_inode)) { - /* this is error case: i_extra_size is too large */ - return; - } - - i = sizeof(struct ext2_inode) + t->i_extra_isize + sizeof(__u32); - if (bufsize < (int) i) - return; /* no space for EA magic */ - - eaf = (__u32 *) (((char *) f) + sizeof(struct ext2_inode) + - f->i_extra_isize); - - if (ext2fs_swab32(*eaf) != EXT2_EXT_ATTR_MAGIC) - return; /* it seems no magic here */ - - eat = (__u32 *) (((char *) t) + sizeof(struct ext2_inode) + - f->i_extra_isize); - *eat = ext2fs_swab32(*eaf); - - /* convert EA(s) */ - ext2fs_swap_ext_attr((char *) (eat + 1), (char *) (eaf + 1), - bufsize - sizeof(struct ext2_inode) - - t->i_extra_isize - sizeof(__u32), 0); - -} - -void ext2fs_swap_inode(ext2_filsys fs, struct ext2_inode *t, - struct ext2_inode *f, int hostorder) -{ - ext2fs_swap_inode_full(fs, (struct ext2_inode_large *) t, - (struct ext2_inode_large *) f, hostorder, - sizeof(struct ext2_inode)); -} - -#endif diff --git a/e2fsprogs/ext2fs/test_io.c b/e2fsprogs/ext2fs/test_io.c deleted file mode 100644 index bd74225c0..000000000 --- a/e2fsprogs/ext2fs/test_io.c +++ /dev/null @@ -1,380 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * test_io.c --- This is the Test I/O interface. - * - * Copyright (C) 1996 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <time.h> -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - -struct test_private_data { - int magic; - io_channel real; - int flags; - FILE *outfile; - unsigned long block; - int read_abort_count, write_abort_count; - void (*read_blk)(unsigned long block, int count, errcode_t err); - void (*write_blk)(unsigned long block, int count, errcode_t err); - void (*set_blksize)(int blksize, errcode_t err); - void (*write_byte)(unsigned long block, int count, errcode_t err); -}; - -static errcode_t test_open(const char *name, int flags, io_channel *channel); -static errcode_t test_close(io_channel channel); -static errcode_t test_set_blksize(io_channel channel, int blksize); -static errcode_t test_read_blk(io_channel channel, unsigned long block, - int count, void *data); -static errcode_t test_write_blk(io_channel channel, unsigned long block, - int count, const void *data); -static errcode_t test_flush(io_channel channel); -static errcode_t test_write_byte(io_channel channel, unsigned long offset, - int count, const void *buf); -static errcode_t test_set_option(io_channel channel, const char *option, - const char *arg); - -static struct struct_io_manager struct_test_manager = { - EXT2_ET_MAGIC_IO_MANAGER, - "Test I/O Manager", - test_open, - test_close, - test_set_blksize, - test_read_blk, - test_write_blk, - test_flush, - test_write_byte, - test_set_option -}; - -io_manager test_io_manager = &struct_test_manager; - -/* - * These global variable can be set by the test program as - * necessary *before* calling test_open - */ -io_manager test_io_backing_manager = 0; -void (*test_io_cb_read_blk) - (unsigned long block, int count, errcode_t err) = 0; -void (*test_io_cb_write_blk) - (unsigned long block, int count, errcode_t err) = 0; -void (*test_io_cb_set_blksize) - (int blksize, errcode_t err) = 0; -void (*test_io_cb_write_byte) - (unsigned long block, int count, errcode_t err) = 0; - -/* - * Test flags - */ -#define TEST_FLAG_READ 0x01 -#define TEST_FLAG_WRITE 0x02 -#define TEST_FLAG_SET_BLKSIZE 0x04 -#define TEST_FLAG_FLUSH 0x08 -#define TEST_FLAG_DUMP 0x10 -#define TEST_FLAG_SET_OPTION 0x20 - -static void test_dump_block(io_channel channel, - struct test_private_data *data, - unsigned long block, const void *buf) -{ - const unsigned char *cp; - FILE *f = data->outfile; - int i; - unsigned long cksum = 0; - - for (i=0, cp = buf; i < channel->block_size; i++, cp++) { - cksum += *cp; - } - fprintf(f, "Contents of block %lu, checksum %08lu:\n", block, cksum); - for (i=0, cp = buf; i < channel->block_size; i++, cp++) { - if ((i % 16) == 0) - fprintf(f, "%04x: ", i); - fprintf(f, "%02x%c", *cp, ((i % 16) == 15) ? '\n' : ' '); - } -} - -static void test_abort(io_channel channel, unsigned long block) -{ - struct test_private_data *data; - FILE *f; - - data = (struct test_private_data *) channel->private_data; - f = data->outfile; - test_flush(channel); - - fprintf(f, "Aborting due to I/O to block %lu\n", block); - fflush(f); - abort(); -} - -static errcode_t test_open(const char *name, int flags, io_channel *channel) -{ - io_channel io = NULL; - struct test_private_data *data = NULL; - errcode_t retval; - char *value; - - if (name == 0) - return EXT2_ET_BAD_DEVICE_NAME; - retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); - if (retval) - return retval; - memset(io, 0, sizeof(struct struct_io_channel)); - io->magic = EXT2_ET_MAGIC_IO_CHANNEL; - retval = ext2fs_get_mem(sizeof(struct test_private_data), &data); - if (retval) { - retval = EXT2_ET_NO_MEMORY; - goto cleanup; - } - io->manager = test_io_manager; - retval = ext2fs_get_mem(strlen(name)+1, &io->name); - if (retval) - goto cleanup; - - strcpy(io->name, name); - io->private_data = data; - io->block_size = 1024; - io->read_error = 0; - io->write_error = 0; - io->refcount = 1; - - memset(data, 0, sizeof(struct test_private_data)); - data->magic = EXT2_ET_MAGIC_TEST_IO_CHANNEL; - if (test_io_backing_manager) { - retval = test_io_backing_manager->open(name, flags, - &data->real); - if (retval) - goto cleanup; - } else - data->real = 0; - data->read_blk = test_io_cb_read_blk; - data->write_blk = test_io_cb_write_blk; - data->set_blksize = test_io_cb_set_blksize; - data->write_byte = test_io_cb_write_byte; - - data->outfile = NULL; - if ((value = getenv("TEST_IO_LOGFILE")) != NULL) - data->outfile = fopen(value, "w"); - if (!data->outfile) - data->outfile = stderr; - - data->flags = 0; - if ((value = getenv("TEST_IO_FLAGS")) != NULL) - data->flags = strtoul(value, NULL, 0); - - data->block = 0; - if ((value = getenv("TEST_IO_BLOCK")) != NULL) - data->block = strtoul(value, NULL, 0); - - data->read_abort_count = 0; - if ((value = getenv("TEST_IO_READ_ABORT")) != NULL) - data->read_abort_count = strtoul(value, NULL, 0); - - data->write_abort_count = 0; - if ((value = getenv("TEST_IO_WRITE_ABORT")) != NULL) - data->write_abort_count = strtoul(value, NULL, 0); - - *channel = io; - return 0; - -cleanup: - ext2fs_free_mem(&io); - ext2fs_free_mem(&data); - return retval; -} - -static errcode_t test_close(io_channel channel) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (--channel->refcount > 0) - return 0; - - if (data->real) - retval = io_channel_close(data->real); - - if (data->outfile && data->outfile != stderr) - fclose(data->outfile); - - ext2fs_free_mem(&channel->private_data); - ext2fs_free_mem(&channel->name); - ext2fs_free_mem(&channel); - return retval; -} - -static errcode_t test_set_blksize(io_channel channel, int blksize) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_set_blksize(data->real, blksize); - if (data->set_blksize) - data->set_blksize(blksize, retval); - if (data->flags & TEST_FLAG_SET_BLKSIZE) - fprintf(data->outfile, - "Test_io: set_blksize(%d) returned %s\n", - blksize, retval ? error_message(retval) : "OK"); - channel->block_size = blksize; - return retval; -} - - -static errcode_t test_read_blk(io_channel channel, unsigned long block, - int count, void *buf) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_read_blk(data->real, block, count, buf); - if (data->read_blk) - data->read_blk(block, count, retval); - if (data->flags & TEST_FLAG_READ) - fprintf(data->outfile, - "Test_io: read_blk(%lu, %d) returned %s\n", - block, count, retval ? error_message(retval) : "OK"); - if (data->block && data->block == block) { - if (data->flags & TEST_FLAG_DUMP) - test_dump_block(channel, data, block, buf); - if (--data->read_abort_count == 0) - test_abort(channel, block); - } - return retval; -} - -static errcode_t test_write_blk(io_channel channel, unsigned long block, - int count, const void *buf) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_write_blk(data->real, block, count, buf); - if (data->write_blk) - data->write_blk(block, count, retval); - if (data->flags & TEST_FLAG_WRITE) - fprintf(data->outfile, - "Test_io: write_blk(%lu, %d) returned %s\n", - block, count, retval ? error_message(retval) : "OK"); - if (data->block && data->block == block) { - if (data->flags & TEST_FLAG_DUMP) - test_dump_block(channel, data, block, buf); - if (--data->write_abort_count == 0) - test_abort(channel, block); - } - return retval; -} - -static errcode_t test_write_byte(io_channel channel, unsigned long offset, - int count, const void *buf) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real && data->real->manager->write_byte) - retval = io_channel_write_byte(data->real, offset, count, buf); - if (data->write_byte) - data->write_byte(offset, count, retval); - if (data->flags & TEST_FLAG_WRITE) - fprintf(data->outfile, - "Test_io: write_byte(%lu, %d) returned %s\n", - offset, count, retval ? error_message(retval) : "OK"); - return retval; -} - -/* - * Flush data buffers to disk. - */ -static errcode_t test_flush(io_channel channel) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - if (data->real) - retval = io_channel_flush(data->real); - - if (data->flags & TEST_FLAG_FLUSH) - fprintf(data->outfile, "Test_io: flush() returned %s\n", - retval ? error_message(retval) : "OK"); - - return retval; -} - -static errcode_t test_set_option(io_channel channel, const char *option, - const char *arg) -{ - struct test_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct test_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_TEST_IO_CHANNEL); - - - if (data->flags & TEST_FLAG_SET_OPTION) - fprintf(data->outfile, "Test_io: set_option(%s, %s) ", - option, arg); - if (data->real && data->real->manager->set_option) { - retval = (data->real->manager->set_option)(data->real, - option, arg); - if (data->flags & TEST_FLAG_SET_OPTION) - fprintf(data->outfile, "returned %s\n", - retval ? error_message(retval) : "OK"); - } else { - if (data->flags & TEST_FLAG_SET_OPTION) - fprintf(data->outfile, "not implemented\n"); - } - return retval; -} diff --git a/e2fsprogs/ext2fs/unix_io.c b/e2fsprogs/ext2fs/unix_io.c deleted file mode 100644 index 474f07340..000000000 --- a/e2fsprogs/ext2fs/unix_io.c +++ /dev/null @@ -1,703 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * unix_io.c --- This is the Unix (well, really POSIX) implementation - * of the I/O manager. - * - * Implements a one-block write-through cache. - * - * Includes support for Windows NT support under Cygwin. - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, - * 2002 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#if HAVE_ERRNO_H -#include <errno.h> -#endif -#include <fcntl.h> -#include <time.h> -#ifdef __linux__ -#include <sys/utsname.h> -#endif -#if HAVE_SYS_STAT_H -#include <sys/stat.h> -#endif -#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <sys/resource.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * For checking structure magic numbers... - */ - -#define EXT2_CHECK_MAGIC(struct, code) \ - if ((struct)->magic != (code)) return (code) - -struct unix_cache { - char *buf; - unsigned long block; - int access_time; - unsigned dirty:1; - unsigned in_use:1; -}; - -#define CACHE_SIZE 8 -#define WRITE_DIRECT_SIZE 4 /* Must be smaller than CACHE_SIZE */ -#define READ_DIRECT_SIZE 4 /* Should be smaller than CACHE_SIZE */ - -struct unix_private_data { - int magic; - int dev; - int flags; - int access_time; - ext2_loff_t offset; - struct unix_cache cache[CACHE_SIZE]; -}; - -static errcode_t unix_open(const char *name, int flags, io_channel *channel); -static errcode_t unix_close(io_channel channel); -static errcode_t unix_set_blksize(io_channel channel, int blksize); -static errcode_t unix_read_blk(io_channel channel, unsigned long block, - int count, void *data); -static errcode_t unix_write_blk(io_channel channel, unsigned long block, - int count, const void *data); -static errcode_t unix_flush(io_channel channel); -static errcode_t unix_write_byte(io_channel channel, unsigned long offset, - int size, const void *data); -static errcode_t unix_set_option(io_channel channel, const char *option, - const char *arg); - -static void reuse_cache(io_channel channel, struct unix_private_data *data, - struct unix_cache *cache, unsigned long block); - -/* __FreeBSD_kernel__ is defined by GNU/kFreeBSD - the FreeBSD kernel - * does not know buffered block devices - everything is raw. */ -#if defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) -#define NEED_BOUNCE_BUFFER -#else -#undef NEED_BOUNCE_BUFFER -#endif - -static struct struct_io_manager struct_unix_manager = { - EXT2_ET_MAGIC_IO_MANAGER, - "Unix I/O Manager", - unix_open, - unix_close, - unix_set_blksize, - unix_read_blk, - unix_write_blk, - unix_flush, -#ifdef NEED_BOUNCE_BUFFER - 0, -#else - unix_write_byte, -#endif - unix_set_option -}; - -io_manager unix_io_manager = &struct_unix_manager; - -/* - * Here are the raw I/O functions - */ -#ifndef NEED_BOUNCE_BUFFER -static errcode_t raw_read_blk(io_channel channel, - struct unix_private_data *data, - unsigned long block, - int count, void *buf) -{ - errcode_t retval; - ssize_t size; - ext2_loff_t location; - int actual = 0; - - size = (count < 0) ? -count : count * channel->block_size; - location = ((ext2_loff_t) block * channel->block_size) + data->offset; - if (ext2fs_llseek(data->dev, location, SEEK_SET) != location) { - retval = errno ? errno : EXT2_ET_LLSEEK_FAILED; - goto error_out; - } - actual = read(data->dev, buf, size); - if (actual != size) { - if (actual < 0) - actual = 0; - retval = EXT2_ET_SHORT_READ; - goto error_out; - } - return 0; - -error_out: - memset((char *) buf+actual, 0, size-actual); - if (channel->read_error) - retval = (channel->read_error)(channel, block, count, buf, - size, actual, retval); - return retval; -} -#else /* NEED_BOUNCE_BUFFER */ -/* - * Windows and FreeBSD block devices only allow sector alignment IO in offset and size - */ -static errcode_t raw_read_blk(io_channel channel, - struct unix_private_data *data, - unsigned long block, - int count, void *buf) -{ - errcode_t retval; - size_t size, alignsize, fragment; - ext2_loff_t location; - int total = 0, actual; -#define BLOCKALIGN 512 - char sector[BLOCKALIGN]; - - size = (count < 0) ? -count : count * channel->block_size; - location = ((ext2_loff_t) block * channel->block_size) + data->offset; -#ifdef DEBUG - printf("count=%d, size=%d, block=%d, blk_size=%d, location=%lx\n", - count, size, block, channel->block_size, location); -#endif - if (ext2fs_llseek(data->dev, location, SEEK_SET) != location) { - retval = errno ? errno : EXT2_ET_LLSEEK_FAILED; - goto error_out; - } - fragment = size % BLOCKALIGN; - alignsize = size - fragment; - if (alignsize) { - actual = read(data->dev, buf, alignsize); - if (actual != alignsize) - goto short_read; - } - if (fragment) { - actual = read(data->dev, sector, BLOCKALIGN); - if (actual != BLOCKALIGN) - goto short_read; - memcpy(buf+alignsize, sector, fragment); - } - return 0; - -short_read: - if (actual>0) - total += actual; - retval = EXT2_ET_SHORT_READ; - -error_out: - memset((char *) buf+total, 0, size-actual); - if (channel->read_error) - retval = (channel->read_error)(channel, block, count, buf, - size, actual, retval); - return retval; -} -#endif - -static errcode_t raw_write_blk(io_channel channel, - struct unix_private_data *data, - unsigned long block, - int count, const void *buf) -{ - ssize_t size; - ext2_loff_t location; - int actual = 0; - errcode_t retval; - - if (count == 1) - size = channel->block_size; - else { - if (count < 0) - size = -count; - else - size = count * channel->block_size; - } - - location = ((ext2_loff_t) block * channel->block_size) + data->offset; - if (ext2fs_llseek(data->dev, location, SEEK_SET) != location) { - retval = errno ? errno : EXT2_ET_LLSEEK_FAILED; - goto error_out; - } - - actual = write(data->dev, buf, size); - if (actual != size) { - retval = EXT2_ET_SHORT_WRITE; - goto error_out; - } - return 0; - -error_out: - if (channel->write_error) - retval = (channel->write_error)(channel, block, count, buf, - size, actual, retval); - return retval; -} - - -/* - * Here we implement the cache functions - */ - -/* Allocate the cache buffers */ -static errcode_t alloc_cache(io_channel channel, - struct unix_private_data *data) -{ - errcode_t retval; - struct unix_cache *cache; - int i; - - data->access_time = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - cache->block = 0; - cache->access_time = 0; - cache->dirty = 0; - cache->in_use = 0; - if ((retval = ext2fs_get_mem(channel->block_size, - &cache->buf))) - return retval; - } - return 0; -} - -/* Free the cache buffers */ -static void free_cache(struct unix_private_data *data) -{ - struct unix_cache *cache; - int i; - - data->access_time = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - cache->block = 0; - cache->access_time = 0; - cache->dirty = 0; - cache->in_use = 0; - ext2fs_free_mem(&cache->buf); - cache->buf = 0; - } -} - -#ifndef NO_IO_CACHE -/* - * Try to find a block in the cache. If the block is not found, and - * eldest is a non-zero pointer, then fill in eldest with the cache - * entry to that should be reused. - */ -static struct unix_cache *find_cached_block(struct unix_private_data *data, - unsigned long block, - struct unix_cache **eldest) -{ - struct unix_cache *cache, *unused_cache, *oldest_cache; - int i; - - unused_cache = oldest_cache = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - if (!cache->in_use) { - if (!unused_cache) - unused_cache = cache; - continue; - } - if (cache->block == block) { - cache->access_time = ++data->access_time; - return cache; - } - if (!oldest_cache || - (cache->access_time < oldest_cache->access_time)) - oldest_cache = cache; - } - if (eldest) - *eldest = (unused_cache) ? unused_cache : oldest_cache; - return 0; -} - -/* - * Reuse a particular cache entry for another block. - */ -static void reuse_cache(io_channel channel, struct unix_private_data *data, - struct unix_cache *cache, unsigned long block) -{ - if (cache->dirty && cache->in_use) - raw_write_blk(channel, data, cache->block, 1, cache->buf); - - cache->in_use = 1; - cache->dirty = 0; - cache->block = block; - cache->access_time = ++data->access_time; -} - -/* - * Flush all of the blocks in the cache - */ -static errcode_t flush_cached_blocks(io_channel channel, - struct unix_private_data *data, - int invalidate) - -{ - struct unix_cache *cache; - errcode_t retval, retval2; - int i; - - retval2 = 0; - for (i=0, cache = data->cache; i < CACHE_SIZE; i++, cache++) { - if (!cache->in_use) - continue; - - if (invalidate) - cache->in_use = 0; - - if (!cache->dirty) - continue; - - retval = raw_write_blk(channel, data, - cache->block, 1, cache->buf); - if (retval) - retval2 = retval; - else - cache->dirty = 0; - } - return retval2; -} -#endif /* NO_IO_CACHE */ - -static errcode_t unix_open(const char *name, int flags, io_channel *channel) -{ - io_channel io = NULL; - struct unix_private_data *data = NULL; - errcode_t retval; - int open_flags; - struct stat st; -#ifdef __linux__ - struct utsname ut; -#endif - - if (name == 0) - return EXT2_ET_BAD_DEVICE_NAME; - retval = ext2fs_get_mem(sizeof(struct struct_io_channel), &io); - if (retval) - return retval; - memset(io, 0, sizeof(struct struct_io_channel)); - io->magic = EXT2_ET_MAGIC_IO_CHANNEL; - retval = ext2fs_get_mem(sizeof(struct unix_private_data), &data); - if (retval) - goto cleanup; - - io->manager = unix_io_manager; - retval = ext2fs_get_mem(strlen(name)+1, &io->name); - if (retval) - goto cleanup; - - strcpy(io->name, name); - io->private_data = data; - io->block_size = 1024; - io->read_error = 0; - io->write_error = 0; - io->refcount = 1; - - memset(data, 0, sizeof(struct unix_private_data)); - data->magic = EXT2_ET_MAGIC_UNIX_IO_CHANNEL; - - if ((retval = alloc_cache(io, data))) - goto cleanup; - - open_flags = (flags & IO_FLAG_RW) ? O_RDWR : O_RDONLY; -#ifdef CONFIG_LFS - data->dev = open64(io->name, open_flags); -#else - data->dev = open(io->name, open_flags); -#endif - if (data->dev < 0) { - retval = errno; - goto cleanup; - } - -#ifdef __linux__ -#undef RLIM_INFINITY -#if (defined(__alpha__) || ((defined(__sparc__) || defined(__mips__)) && (SIZEOF_LONG == 4))) -#define RLIM_INFINITY ((unsigned long)(~0UL>>1)) -#else -#define RLIM_INFINITY (~0UL) -#endif - /* - * Work around a bug in 2.4.10-2.4.18 kernels where writes to - * block devices are wrongly getting hit by the filesize - * limit. This workaround isn't perfect, since it won't work - * if glibc wasn't built against 2.2 header files. (Sigh.) - * - */ - if ((flags & IO_FLAG_RW) && - (uname(&ut) == 0) && - ((ut.release[0] == '2') && (ut.release[1] == '.') && - (ut.release[2] == '4') && (ut.release[3] == '.') && - (ut.release[4] == '1') && (ut.release[5] >= '0') && - (ut.release[5] < '8')) && - (fstat(data->dev, &st) == 0) && - (S_ISBLK(st.st_mode))) { - struct rlimit rlim; - - rlim.rlim_cur = rlim.rlim_max = (unsigned long) RLIM_INFINITY; - setrlimit(RLIMIT_FSIZE, &rlim); - getrlimit(RLIMIT_FSIZE, &rlim); - if (((unsigned long) rlim.rlim_cur) < - ((unsigned long) rlim.rlim_max)) { - rlim.rlim_cur = rlim.rlim_max; - setrlimit(RLIMIT_FSIZE, &rlim); - } - } -#endif - *channel = io; - return 0; - -cleanup: - if (data) { - free_cache(data); - ext2fs_free_mem(&data); - } - ext2fs_free_mem(&io); - return retval; -} - -static errcode_t unix_close(io_channel channel) -{ - struct unix_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - - if (--channel->refcount > 0) - return 0; - -#ifndef NO_IO_CACHE - retval = flush_cached_blocks(channel, data, 0); -#endif - - if (close(data->dev) < 0) - retval = errno; - free_cache(data); - - ext2fs_free_mem(&channel->private_data); - ext2fs_free_mem(&channel->name); - ext2fs_free_mem(&channel); - return retval; -} - -static errcode_t unix_set_blksize(io_channel channel, int blksize) -{ - struct unix_private_data *data; - errcode_t retval; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - - if (channel->block_size != blksize) { -#ifndef NO_IO_CACHE - if ((retval = flush_cached_blocks(channel, data, 0))) - return retval; -#endif - - channel->block_size = blksize; - free_cache(data); - if ((retval = alloc_cache(channel, data))) - return retval; - } - return 0; -} - - -static errcode_t unix_read_blk(io_channel channel, unsigned long block, - int count, void *buf) -{ - struct unix_private_data *data; - struct unix_cache *cache, *reuse[READ_DIRECT_SIZE]; - errcode_t retval; - char *cp; - int i, j; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifdef NO_IO_CACHE - return raw_read_blk(channel, data, block, count, buf); -#else - /* - * If we're doing an odd-sized read or a very large read, - * flush out the cache and then do a direct read. - */ - if (count < 0 || count > WRITE_DIRECT_SIZE) { - if ((retval = flush_cached_blocks(channel, data, 0))) - return retval; - return raw_read_blk(channel, data, block, count, buf); - } - - cp = buf; - while (count > 0) { - /* If it's in the cache, use it! */ - if ((cache = find_cached_block(data, block, &reuse[0]))) { -#ifdef DEBUG - printf("Using cached block %d\n", block); -#endif - memcpy(cp, cache->buf, channel->block_size); - count--; - block++; - cp += channel->block_size; - continue; - } - /* - * Find the number of uncached blocks so we can do a - * single read request - */ - for (i=1; i < count; i++) - if (find_cached_block(data, block+i, &reuse[i])) - break; -#ifdef DEBUG - printf("Reading %d blocks starting at %d\n", i, block); -#endif - if ((retval = raw_read_blk(channel, data, block, i, cp))) - return retval; - - /* Save the results in the cache */ - for (j=0; j < i; j++) { - count--; - cache = reuse[j]; - reuse_cache(channel, data, cache, block++); - memcpy(cache->buf, cp, channel->block_size); - cp += channel->block_size; - } - } - return 0; -#endif /* NO_IO_CACHE */ -} - -static errcode_t unix_write_blk(io_channel channel, unsigned long block, - int count, const void *buf) -{ - struct unix_private_data *data; - struct unix_cache *cache, *reuse; - errcode_t retval = 0; - const char *cp; - int writethrough; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifdef NO_IO_CACHE - return raw_write_blk(channel, data, block, count, buf); -#else - /* - * If we're doing an odd-sized write or a very large write, - * flush out the cache completely and then do a direct write. - */ - if (count < 0 || count > WRITE_DIRECT_SIZE) { - if ((retval = flush_cached_blocks(channel, data, 1))) - return retval; - return raw_write_blk(channel, data, block, count, buf); - } - - /* - * For a moderate-sized multi-block write, first force a write - * if we're in write-through cache mode, and then fill the - * cache with the blocks. - */ - writethrough = channel->flags & CHANNEL_FLAGS_WRITETHROUGH; - if (writethrough) - retval = raw_write_blk(channel, data, block, count, buf); - - cp = buf; - while (count > 0) { - cache = find_cached_block(data, block, &reuse); - if (!cache) { - cache = reuse; - reuse_cache(channel, data, cache, block); - } - memcpy(cache->buf, cp, channel->block_size); - cache->dirty = !writethrough; - count--; - block++; - cp += channel->block_size; - } - return retval; -#endif /* NO_IO_CACHE */ -} - -static errcode_t unix_write_byte(io_channel channel, unsigned long offset, - int size, const void *buf) -{ - struct unix_private_data *data; - errcode_t retval = 0; - ssize_t actual; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifndef NO_IO_CACHE - /* - * Flush out the cache completely - */ - if ((retval = flush_cached_blocks(channel, data, 1))) - return retval; -#endif - - if (lseek(data->dev, offset + data->offset, SEEK_SET) < 0) - return errno; - - actual = write(data->dev, buf, size); - if (actual != size) - return EXT2_ET_SHORT_WRITE; - - return 0; -} - -/* - * Flush data buffers to disk. - */ -static errcode_t unix_flush(io_channel channel) -{ - struct unix_private_data *data; - errcode_t retval = 0; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - -#ifndef NO_IO_CACHE - retval = flush_cached_blocks(channel, data, 0); -#endif - fsync(data->dev); - return retval; -} - -static errcode_t unix_set_option(io_channel channel, const char *option, - const char *arg) -{ - struct unix_private_data *data; - unsigned long tmp; - char *end; - - EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); - data = (struct unix_private_data *) channel->private_data; - EXT2_CHECK_MAGIC(data, EXT2_ET_MAGIC_UNIX_IO_CHANNEL); - - if (!strcmp(option, "offset")) { - if (!arg) - return EXT2_ET_INVALID_ARGUMENT; - - tmp = strtoul(arg, &end, 0); - if (*end) - return EXT2_ET_INVALID_ARGUMENT; - data->offset = tmp; - return 0; - } - return EXT2_ET_INVALID_ARGUMENT; -} diff --git a/e2fsprogs/ext2fs/unlink.c b/e2fsprogs/ext2fs/unlink.c deleted file mode 100644 index 83ac2713e..000000000 --- a/e2fsprogs/ext2fs/unlink.c +++ /dev/null @@ -1,100 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * unlink.c --- delete links in a ext2fs directory - * - * Copyright (C) 1993, 1994, 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif - -#include "ext2_fs.h" -#include "ext2fs.h" - -struct link_struct { - const char *name; - int namelen; - ext2_ino_t inode; - int flags; - struct ext2_dir_entry *prev; - int done; -}; - -#ifdef __TURBOC__ -# pragma argsused -#endif -static int unlink_proc(struct ext2_dir_entry *dirent, - int offset EXT2FS_ATTR((unused)), - int blocksize EXT2FS_ATTR((unused)), - char *buf EXT2FS_ATTR((unused)), - void *priv_data) -{ - struct link_struct *ls = (struct link_struct *) priv_data; - struct ext2_dir_entry *prev; - - prev = ls->prev; - ls->prev = dirent; - - if (ls->name) { - if ((dirent->name_len & 0xFF) != ls->namelen) - return 0; - if (strncmp(ls->name, dirent->name, dirent->name_len & 0xFF)) - return 0; - } - if (ls->inode) { - if (dirent->inode != ls->inode) - return 0; - } else { - if (!dirent->inode) - return 0; - } - - if (prev) - prev->rec_len += dirent->rec_len; - else - dirent->inode = 0; - ls->done++; - return DIRENT_ABORT|DIRENT_CHANGED; -} - -#ifdef __TURBOC__ - #pragma argsused -#endif -errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, - const char *name, ext2_ino_t ino, - int flags EXT2FS_ATTR((unused))) -{ - errcode_t retval; - struct link_struct ls; - - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!name && !ino) - return EXT2_ET_INVALID_ARGUMENT; - - if (!(fs->flags & EXT2_FLAG_RW)) - return EXT2_ET_RO_FILSYS; - - ls.name = name; - ls.namelen = name ? strlen(name) : 0; - ls.inode = ino; - ls.flags = 0; - ls.done = 0; - ls.prev = 0; - - retval = ext2fs_dir_iterate(fs, dir, DIRENT_FLAG_INCLUDE_EMPTY, - 0, unlink_proc, &ls); - if (retval) - return retval; - - return (ls.done) ? 0 : EXT2_ET_DIR_NO_SPACE; -} - diff --git a/e2fsprogs/ext2fs/valid_blk.c b/e2fsprogs/ext2fs/valid_blk.c deleted file mode 100644 index 8ed77ae2a..000000000 --- a/e2fsprogs/ext2fs/valid_blk.c +++ /dev/null @@ -1,57 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * valid_blk.c --- does the inode have valid blocks? - * - * Copyright 1997 by Theodore Ts'o - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - * - */ - -#include <stdio.h> -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <time.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -/* - * This function returns 1 if the inode's block entries actually - * contain block entries. - */ -int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode) -{ - /* - * Only directories, regular files, and some symbolic links - * have valid block entries. - */ - if (!LINUX_S_ISDIR(inode->i_mode) && !LINUX_S_ISREG(inode->i_mode) && - !LINUX_S_ISLNK(inode->i_mode)) - return 0; - - /* - * If the symbolic link is a "fast symlink", then the symlink - * target is stored in the block entries. - */ - if (LINUX_S_ISLNK (inode->i_mode)) { - if (inode->i_file_acl == 0) { - /* With no EA block, we can rely on i_blocks */ - if (inode->i_blocks == 0) - return 0; - } else { - /* With an EA block, life gets more tricky */ - if (inode->i_size >= EXT2_N_BLOCKS*4) - return 1; /* definitely using i_block[] */ - if (inode->i_size > 4 && inode->i_block[1] == 0) - return 1; /* definitely using i_block[] */ - return 0; /* Probably a fast symlink */ - } - } - return 1; -} diff --git a/e2fsprogs/ext2fs/version.c b/e2fsprogs/ext2fs/version.c deleted file mode 100644 index d2981e867..000000000 --- a/e2fsprogs/ext2fs/version.c +++ /dev/null @@ -1,51 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * version.c --- Return the version of the ext2 library - * - * Copyright (C) 1997 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <string.h> -#include <stdio.h> -#include <ctype.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -static const char *lib_version = E2FSPROGS_VERSION; -static const char *lib_date = E2FSPROGS_DATE; - -int ext2fs_parse_version_string(const char *ver_string) -{ - const char *cp; - int version = 0; - - for (cp = ver_string; *cp; cp++) { - if (*cp == '.') - continue; - if (!isdigit(*cp)) - break; - version = (version * 10) + (*cp - '0'); - } - return version; -} - - -int ext2fs_get_library_version(const char **ver_string, - const char **date_string) -{ - if (ver_string) - *ver_string = lib_version; - if (date_string) - *date_string = lib_date; - - return ext2fs_parse_version_string(lib_version); -} diff --git a/e2fsprogs/ext2fs/write_bb_file.c b/e2fsprogs/ext2fs/write_bb_file.c deleted file mode 100644 index 5b19eefa0..000000000 --- a/e2fsprogs/ext2fs/write_bb_file.c +++ /dev/null @@ -1,35 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * write_bb_file.c --- write a list of bad blocks to a FILE * - * - * Copyright (C) 1994, 1995 Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> - -#include "ext2_fs.h" -#include "ext2fs.h" - -errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, - unsigned int flags EXT2FS_ATTR((unused)), - FILE *f) -{ - badblocks_iterate bb_iter; - blk_t blk; - errcode_t retval; - - retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); - if (retval) - return retval; - - while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) { - fprintf(f, "%d\n", blk); - } - ext2fs_badblocks_list_iterate_end(bb_iter); - return 0; -} diff --git a/e2fsprogs/fsck.c b/e2fsprogs/fsck.c deleted file mode 100644 index da66250f1..000000000 --- a/e2fsprogs/fsck.c +++ /dev/null @@ -1,1392 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * pfsck --- A generic, parallelizing front-end for the fsck program. - * It will automatically try to run fsck programs in parallel if the - * devices are on separate spindles. It is based on the same ideas as - * the generic front end for fsck by David Engel and Fred van Kempen, - * but it has been completely rewritten from scratch to support - * parallel execution. - * - * Written by Theodore Ts'o, <tytso@mit.edu> - * - * Miquel van Smoorenburg (miquels@drinkel.ow.org) 20-Oct-1994: - * o Changed -t fstype to behave like with mount when -A (all file - * systems) or -M (like mount) is specified. - * o fsck looks if it can find the fsck.type program to decide - * if it should ignore the fs type. This way more fsck programs - * can be added without changing this front-end. - * o -R flag skip root file system. - * - * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - * 2001, 2002, 2003, 2004, 2005 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <sys/types.h> -#include <sys/wait.h> -#include <sys/stat.h> -#include <limits.h> -#include <stdio.h> -#include <ctype.h> -#include <string.h> -#include <time.h> -#include <stdlib.h> -#include <errno.h> -#include <paths.h> -#include <unistd.h> -#include <errno.h> -#include <signal.h> - -#include "fsck.h" -#include "blkid/blkid.h" - -#include "e2fsbb.h" - -#include "busybox.h" - -#ifndef _PATH_MNTTAB -#define _PATH_MNTTAB "/etc/fstab" -#endif - -/* - * fsck.h - */ - -#ifndef DEFAULT_FSTYPE -#define DEFAULT_FSTYPE "ext2" -#endif - -#define MAX_DEVICES 32 -#define MAX_ARGS 32 - -/* - * Internal structure for mount tabel entries. - */ - -struct fs_info { - char *device; - char *mountpt; - char *type; - char *opts; - int freq; - int passno; - int flags; - struct fs_info *next; -}; - -#define FLAG_DONE 1 -#define FLAG_PROGRESS 2 - -/* - * Structure to allow exit codes to be stored - */ -struct fsck_instance { - int pid; - int flags; - int exit_status; - time_t start_time; - char * prog; - char * type; - char * device; - char * base_device; - struct fsck_instance *next; -}; - -/* - * base_device.c - * - * Return the "base device" given a particular device; this is used to - * assure that we only fsck one partition on a particular drive at any - * one time. Otherwise, the disk heads will be seeking all over the - * place. If the base device cannot be determined, return NULL. - * - * The base_device() function returns an allocated string which must - * be freed. - * - */ - - -#ifdef CONFIG_FEATURE_DEVFS -/* - * Required for the uber-silly devfs /dev/ide/host1/bus2/target3/lun3 - * pathames. - */ -static const char * const devfs_hier[] = { - "host", "bus", "target", "lun", 0 -}; -#endif - -static char *base_device(const char *device) -{ - char *str, *cp; -#ifdef CONFIG_FEATURE_DEVFS - const char * const *hier; - const char *disk; - int len; -#endif - - cp = str = xstrdup(device); - - /* Skip over /dev/; if it's not present, give up. */ - if (strncmp(cp, "/dev/", 5) != 0) - goto errout; - cp += 5; - - /* - * For md devices, we treat them all as if they were all - * on one disk, since we don't know how to parallelize them. - */ - if (cp[0] == 'm' && cp[1] == 'd') { - *(cp+2) = 0; - return str; - } - - /* Handle DAC 960 devices */ - if (strncmp(cp, "rd/", 3) == 0) { - cp += 3; - if (cp[0] != 'c' || cp[2] != 'd' || - !isdigit(cp[1]) || !isdigit(cp[3])) - goto errout; - *(cp+4) = 0; - return str; - } - - /* Now let's handle /dev/hd* and /dev/sd* devices.... */ - if ((cp[0] == 'h' || cp[0] == 's') && (cp[1] == 'd')) { - cp += 2; - /* If there's a single number after /dev/hd, skip it */ - if (isdigit(*cp)) - cp++; - /* What follows must be an alpha char, or give up */ - if (!isalpha(*cp)) - goto errout; - *(cp + 1) = 0; - return str; - } - -#ifdef CONFIG_FEATURE_DEVFS - /* Now let's handle devfs (ugh) names */ - len = 0; - if (strncmp(cp, "ide/", 4) == 0) - len = 4; - if (strncmp(cp, "scsi/", 5) == 0) - len = 5; - if (len) { - cp += len; - /* - * Now we proceed down the expected devfs hierarchy. - * i.e., .../host1/bus2/target3/lun4/... - * If we don't find the expected token, followed by - * some number of digits at each level, abort. - */ - for (hier = devfs_hier; *hier; hier++) { - len = strlen(*hier); - if (strncmp(cp, *hier, len) != 0) - goto errout; - cp += len; - while (*cp != '/' && *cp != 0) { - if (!isdigit(*cp)) - goto errout; - cp++; - } - cp++; - } - *(cp - 1) = 0; - return str; - } - - /* Now handle devfs /dev/disc or /dev/disk names */ - disk = 0; - if (strncmp(cp, "discs/", 6) == 0) - disk = "disc"; - else if (strncmp(cp, "disks/", 6) == 0) - disk = "disk"; - if (disk) { - cp += 6; - if (strncmp(cp, disk, 4) != 0) - goto errout; - cp += 4; - while (*cp != '/' && *cp != 0) { - if (!isdigit(*cp)) - goto errout; - cp++; - } - *cp = 0; - return str; - } -#endif - -errout: - free(str); - return NULL; -} - - -static const char * const ignored_types[] = { - "ignore", - "iso9660", - "nfs", - "proc", - "sw", - "swap", - "tmpfs", - "devpts", - NULL -}; - -static const char * const really_wanted[] = { - "minix", - "ext2", - "ext3", - "jfs", - "reiserfs", - "xiafs", - "xfs", - NULL -}; - -#define BASE_MD "/dev/md" - -/* - * Global variables for options - */ -static char *devices[MAX_DEVICES]; -static char *args[MAX_ARGS]; -static int num_devices, num_args; - -static int verbose; -static int doall; -static int noexecute; -static int serialize; -static int skip_root; -static int like_mount; -static int notitle; -static int parallel_root; -static int progress; -static int progress_fd; -static int force_all_parallel; -static int num_running; -static int max_running; -static volatile int cancel_requested; -static int kill_sent; -static char *fstype; -static struct fs_info *filesys_info, *filesys_last; -static struct fsck_instance *instance_list; -static char *fsck_path; -static blkid_cache cache; - -static char *string_copy(const char *s) -{ - char *ret; - - if (!s) - return 0; - ret = strdup(s); - return ret; -} - -static int string_to_int(const char *s) -{ - long l; - char *p; - - l = strtol(s, &p, 0); - if (*p || l == LONG_MIN || l == LONG_MAX || l < 0 || l > INT_MAX) - return -1; - else - return (int) l; -} - -static char *skip_over_blank(char *cp) -{ - while (*cp && isspace(*cp)) - cp++; - return cp; -} - -static char *skip_over_word(char *cp) -{ - while (*cp && !isspace(*cp)) - cp++; - return cp; -} - -static void strip_line(char *line) -{ - char *p; - - while (*line) { - p = line + strlen(line) - 1; - if ((*p == '\n') || (*p == '\r')) - *p = 0; - else - break; - } -} - -static char *parse_word(char **buf) -{ - char *word, *next; - - word = *buf; - if (*word == 0) - return 0; - - word = skip_over_blank(word); - next = skip_over_word(word); - if (*next) - *next++ = 0; - *buf = next; - return word; -} - -static void parse_escape(char *word) -{ - char *q, c; - const char *p; - - if (!word) - return; - - for (p = q = word; *p; q++) { - c = *p++; - if (c != '\\') { - *q = c; - } else { - *q = bb_process_escape_sequence(&p); - } - } - *q = 0; -} - -static void free_instance(struct fsck_instance *i) -{ - if (i->prog) - free(i->prog); - if (i->device) - free(i->device); - if (i->base_device) - free(i->base_device); - free(i); - return; -} - -static struct fs_info *create_fs_device(const char *device, const char *mntpnt, - const char *type, const char *opts, - int freq, int passno) -{ - struct fs_info *fs; - - if (!(fs = malloc(sizeof(struct fs_info)))) - return NULL; - - fs->device = string_copy(device); - fs->mountpt = string_copy(mntpnt); - fs->type = string_copy(type); - fs->opts = string_copy(opts ? opts : ""); - fs->freq = freq; - fs->passno = passno; - fs->flags = 0; - fs->next = NULL; - - if (!filesys_info) - filesys_info = fs; - else - filesys_last->next = fs; - filesys_last = fs; - - return fs; -} - - - -static int parse_fstab_line(char *line, struct fs_info **ret_fs) -{ - char *dev, *device, *mntpnt, *type, *opts, *freq, *passno, *cp; - struct fs_info *fs; - - *ret_fs = 0; - strip_line(line); - if ((cp = strchr(line, '#'))) - *cp = 0; /* Ignore everything after the comment char */ - cp = line; - - device = parse_word(&cp); - mntpnt = parse_word(&cp); - type = parse_word(&cp); - opts = parse_word(&cp); - freq = parse_word(&cp); - passno = parse_word(&cp); - - if (!device) - return 0; /* Allow blank lines */ - - if (!mntpnt || !type) - return -1; - - parse_escape(device); - parse_escape(mntpnt); - parse_escape(type); - parse_escape(opts); - parse_escape(freq); - parse_escape(passno); - - dev = blkid_get_devname(cache, device, NULL); - if (dev) - device = dev; - - if (strchr(type, ',')) - type = 0; - - fs = create_fs_device(device, mntpnt, type ? type : "auto", opts, - freq ? atoi(freq) : -1, - passno ? atoi(passno) : -1); - if (dev) - free(dev); - - if (!fs) - return -1; - *ret_fs = fs; - return 0; -} - -static void interpret_type(struct fs_info *fs) -{ - char *t; - - if (strcmp(fs->type, "auto") != 0) - return; - t = blkid_get_tag_value(cache, "TYPE", fs->device); - if (t) { - free(fs->type); - fs->type = t; - } -} - -/* - * Load the filesystem database from /etc/fstab - */ -static void load_fs_info(const char *filename) -{ - FILE *f; - char buf[1024]; - int lineno = 0; - int old_fstab = 1; - struct fs_info *fs; - - if ((f = fopen(filename, "r")) == NULL) { - bb_perror_msg("WARNING: cannot open %s", filename); - return; - } - while (!feof(f)) { - lineno++; - if (!fgets(buf, sizeof(buf), f)) - break; - buf[sizeof(buf)-1] = 0; - if (parse_fstab_line(buf, &fs) < 0) { - bb_error_msg("WARNING: bad format " - "on line %d of %s\n", lineno, filename); - continue; - } - if (!fs) - continue; - if (fs->passno < 0) - fs->passno = 0; - else - old_fstab = 0; - } - - fclose(f); - - if (old_fstab) { - fputs("\007\007\007" - "WARNING: Your /etc/fstab does not contain the fsck passno\n" - " field. I will kludge around things for you, but you\n" - " should fix your /etc/fstab file as soon as you can.\n\n", stderr); - - for (fs = filesys_info; fs; fs = fs->next) { - fs->passno = 1; - } - } -} - -/* Lookup filesys in /etc/fstab and return the corresponding entry. */ -static struct fs_info *lookup(char *filesys) -{ - struct fs_info *fs; - - /* No filesys name given. */ - if (filesys == NULL) - return NULL; - - for (fs = filesys_info; fs; fs = fs->next) { - if (!strcmp(filesys, fs->device) || - (fs->mountpt && !strcmp(filesys, fs->mountpt))) - break; - } - - return fs; -} - -/* Find fsck program for a given fs type. */ -static char *find_fsck(char *type) -{ - char *s; - const char *tpl; - char *p = string_copy(fsck_path); - struct stat st; - - /* Are we looking for a program or just a type? */ - tpl = (strncmp(type, "fsck.", 5) ? "%s/fsck.%s" : "%s/%s"); - - for(s = strtok(p, ":"); s; s = strtok(NULL, ":")) { - s = xasprintf(tpl, s, type); - if (stat(s, &st) == 0) break; - free(s); - } - free(p); - return s; -} - -static int progress_active(void) -{ - struct fsck_instance *inst; - - for (inst = instance_list; inst; inst = inst->next) { - if (inst->flags & FLAG_DONE) - continue; - if (inst->flags & FLAG_PROGRESS) - return 1; - } - return 0; -} - -/* - * Execute a particular fsck program, and link it into the list of - * child processes we are waiting for. - */ -static int execute(const char *type, const char *device, const char *mntpt, - int interactive) -{ - char *s, *argv[80]; - char *prog; - int argc, i; - struct fsck_instance *inst, *p; - pid_t pid; - - inst = malloc(sizeof(struct fsck_instance)); - if (!inst) - return ENOMEM; - memset(inst, 0, sizeof(struct fsck_instance)); - - prog = xasprintf("fsck.%s", type); - argv[0] = prog; - argc = 1; - - for (i=0; i <num_args; i++) - argv[argc++] = string_copy(args[i]); - - if (progress && !progress_active()) { - if ((strcmp(type, "ext2") == 0) || - (strcmp(type, "ext3") == 0)) { - char tmp[80]; - snprintf(tmp, 80, "-C%d", progress_fd); - argv[argc++] = string_copy(tmp); - inst->flags |= FLAG_PROGRESS; - } - } - - argv[argc++] = string_copy(device); - argv[argc] = 0; - - s = find_fsck(prog); - if (s == NULL) { - bb_error_msg("%s: not found", prog); - return ENOENT; - } - - if (verbose || noexecute) { - printf("[%s (%d) -- %s] ", s, num_running, - mntpt ? mntpt : device); - for (i=0; i < argc; i++) - printf("%s ", argv[i]); - puts(""); - } - - /* Fork and execute the correct program. */ - if (noexecute) - pid = -1; - else if ((pid = fork()) < 0) { - perror("fork"); - return errno; - } else if (pid == 0) { - if (!interactive) - close(0); - (void) execv(s, argv); - bb_perror_msg_and_die("%s", argv[0]); - } - - for (i = 1; i < argc; i++) - free(argv[i]); - - free(s); - inst->pid = pid; - inst->prog = prog; - inst->type = string_copy(type); - inst->device = string_copy(device); - inst->base_device = base_device(device); - inst->start_time = time(0); - inst->next = NULL; - - /* - * Find the end of the list, so we add the instance on at the end. - */ - for (p = instance_list; p && p->next; p = p->next); - - if (p) - p->next = inst; - else - instance_list = inst; - - return 0; -} - -/* - * Send a signal to all outstanding fsck child processes - */ -static int kill_all(int signum) -{ - struct fsck_instance *inst; - int n = 0; - - for (inst = instance_list; inst; inst = inst->next) { - if (inst->flags & FLAG_DONE) - continue; - kill(inst->pid, signum); - n++; - } - return n; -} - -/* - * Wait for one child process to exit; when it does, unlink it from - * the list of executing child processes, and return it. - */ -static struct fsck_instance *wait_one(int flags) -{ - int status; - int sig; - struct fsck_instance *inst, *inst2, *prev; - pid_t pid; - - if (!instance_list) - return NULL; - - if (noexecute) { - inst = instance_list; - prev = 0; -#ifdef RANDOM_DEBUG - while (inst->next && (random() & 1)) { - prev = inst; - inst = inst->next; - } -#endif - inst->exit_status = 0; - goto ret_inst; - } - - /* - * gcc -Wall fails saving throw against stupidity - * (inst and prev are thought to be uninitialized variables) - */ - inst = prev = NULL; - - do { - pid = waitpid(-1, &status, flags); - if (cancel_requested && !kill_sent) { - kill_all(SIGTERM); - kill_sent++; - } - if ((pid == 0) && (flags & WNOHANG)) - return NULL; - if (pid < 0) { - if ((errno == EINTR) || (errno == EAGAIN)) - continue; - if (errno == ECHILD) { - bb_error_msg("wait: no more child process?!?"); - return NULL; - } - perror("wait"); - continue; - } - for (prev = 0, inst = instance_list; - inst; - prev = inst, inst = inst->next) { - if (inst->pid == pid) - break; - } - } while (!inst); - - if (WIFEXITED(status)) - status = WEXITSTATUS(status); - else if (WIFSIGNALED(status)) { - sig = WTERMSIG(status); - if (sig == SIGINT) { - status = EXIT_UNCORRECTED; - } else { - printf("Warning... %s for device %s exited " - "with signal %d.\n", - inst->prog, inst->device, sig); - status = EXIT_ERROR; - } - } else { - printf("%s %s: status is %x, should never happen.\n", - inst->prog, inst->device, status); - status = EXIT_ERROR; - } - inst->exit_status = status; - if (progress && (inst->flags & FLAG_PROGRESS) && - !progress_active()) { - for (inst2 = instance_list; inst2; inst2 = inst2->next) { - if (inst2->flags & FLAG_DONE) - continue; - if (strcmp(inst2->type, "ext2") && - strcmp(inst2->type, "ext3")) - continue; - /* - * If we've just started the fsck, wait a tiny - * bit before sending the kill, to give it - * time to set up the signal handler - */ - if (inst2->start_time < time(0)+2) { - if (fork() == 0) { - sleep(1); - kill(inst2->pid, SIGUSR1); - exit(0); - } - } else - kill(inst2->pid, SIGUSR1); - inst2->flags |= FLAG_PROGRESS; - break; - } - } -ret_inst: - if (prev) - prev->next = inst->next; - else - instance_list = inst->next; - if (verbose > 1) - printf("Finished with %s (exit status %d)\n", - inst->device, inst->exit_status); - num_running--; - return inst; -} - -#define FLAG_WAIT_ALL 0 -#define FLAG_WAIT_ATLEAST_ONE 1 -/* - * Wait until all executing child processes have exited; return the - * logical OR of all of their exit code values. - */ -static int wait_many(int flags) -{ - struct fsck_instance *inst; - int global_status = 0; - int wait_flags = 0; - - while ((inst = wait_one(wait_flags))) { - global_status |= inst->exit_status; - free_instance(inst); -#ifdef RANDOM_DEBUG - if (noexecute && (flags & WNOHANG) && !(random() % 3)) - break; -#endif - if (flags & FLAG_WAIT_ATLEAST_ONE) - wait_flags = WNOHANG; - } - return global_status; -} - -/* - * Run the fsck program on a particular device - * - * If the type is specified using -t, and it isn't prefixed with "no" - * (as in "noext2") and only one filesystem type is specified, then - * use that type regardless of what is specified in /etc/fstab. - * - * If the type isn't specified by the user, then use either the type - * specified in /etc/fstab, or DEFAULT_FSTYPE. - */ -static void fsck_device(struct fs_info *fs, int interactive) -{ - const char *type; - int retval; - - interpret_type(fs); - - if (strcmp(fs->type, "auto") != 0) - type = fs->type; - else if (fstype && strncmp(fstype, "no", 2) && - strncmp(fstype, "opts=", 5) && strncmp(fstype, "loop", 4) && - !strchr(fstype, ',')) - type = fstype; - else - type = DEFAULT_FSTYPE; - - num_running++; - retval = execute(type, fs->device, fs->mountpt, interactive); - if (retval) { - bb_error_msg("error %d while executing fsck.%s for %s", - retval, type, fs->device); - num_running--; - } -} - - -/* - * Deal with the fsck -t argument. - */ -struct fs_type_compile { - char **list; - int *type; - int negate; -} fs_type_compiled; - -#define FS_TYPE_NORMAL 0 -#define FS_TYPE_OPT 1 -#define FS_TYPE_NEGOPT 2 - -static const char fs_type_syntax_error[] = -"Either all or none of the filesystem types passed to -t must be prefixed\n" - "with 'no' or '!'."; - -static void compile_fs_type(char *fs_type, struct fs_type_compile *cmp) -{ - char *cp, *list, *s; - int num = 2; - int negate, first_negate = 1; - - if (fs_type) { - for (cp=fs_type; *cp; cp++) { - if (*cp == ',') - num++; - } - } - - cmp->list = xzalloc(num * sizeof(char *)); - cmp->type = xzalloc(num * sizeof(int)); - cmp->negate = 0; - - if (!fs_type) - return; - - list = string_copy(fs_type); - num = 0; - s = strtok(list, ","); - while(s) { - negate = 0; - if (strncmp(s, "no", 2) == 0) { - s += 2; - negate = 1; - } else if (*s == '!') { - s++; - negate = 1; - } - if (strcmp(s, "loop") == 0) - /* loop is really short-hand for opts=loop */ - goto loop_special_case; - else if (strncmp(s, "opts=", 5) == 0) { - s += 5; - loop_special_case: - cmp->type[num] = negate ? FS_TYPE_NEGOPT : FS_TYPE_OPT; - } else { - if (first_negate) { - cmp->negate = negate; - first_negate = 0; - } - if ((negate && !cmp->negate) || - (!negate && cmp->negate)) { - bb_error_msg_and_die("%s", fs_type_syntax_error); - } - } - cmp->list[num++] = string_copy(s); - s = strtok(NULL, ","); - } - free(list); -} - -/* - * This function returns true if a particular option appears in a - * comma-delimited options list - */ -static int opt_in_list(char *opt, char *optlist) -{ - char *list, *s; - - if (!optlist) - return 0; - list = string_copy(optlist); - - s = strtok(list, ","); - while(s) { - if (strcmp(s, opt) == 0) { - free(list); - return 1; - } - s = strtok(NULL, ","); - } - free(list); - return 0; -} - -/* See if the filesystem matches the criteria given by the -t option */ -static int fs_match(struct fs_info *fs, struct fs_type_compile *cmp) -{ - int n, ret = 0, checked_type = 0; - char *cp; - - if (cmp->list == 0 || cmp->list[0] == 0) - return 1; - - for (n=0; (cp = cmp->list[n]); n++) { - switch (cmp->type[n]) { - case FS_TYPE_NORMAL: - checked_type++; - if (strcmp(cp, fs->type) == 0) { - ret = 1; - } - break; - case FS_TYPE_NEGOPT: - if (opt_in_list(cp, fs->opts)) - return 0; - break; - case FS_TYPE_OPT: - if (!opt_in_list(cp, fs->opts)) - return 0; - break; - } - } - if (checked_type == 0) - return 1; - return (cmp->negate ? !ret : ret); -} - -/* Check if we should ignore this filesystem. */ -static int ignore(struct fs_info *fs) -{ - int wanted; - char *s; - - /* - * If the pass number is 0, ignore it. - */ - if (fs->passno == 0) - return 1; - - interpret_type(fs); - - /* - * If a specific fstype is specified, and it doesn't match, - * ignore it. - */ - if (!fs_match(fs, &fs_type_compiled)) return 1; - - /* Are we ignoring this type? */ - if (index_in_str_array(ignored_types, fs->type) >= 0) - return 1; - - /* Do we really really want to check this fs? */ - wanted = index_in_str_array(really_wanted, fs->type) >= 0; - - /* See if the <fsck.fs> program is available. */ - s = find_fsck(fs->type); - if (s == NULL) { - if (wanted) - bb_error_msg("cannot check %s: fsck.%s not found", - fs->device, fs->type); - return 1; - } - free(s); - - /* We can and want to check this file system type. */ - return 0; -} - -/* - * Returns TRUE if a partition on the same disk is already being - * checked. - */ -static int device_already_active(char *device) -{ - struct fsck_instance *inst; - char *base; - - if (force_all_parallel) - return 0; - -#ifdef BASE_MD - /* Don't check a soft raid disk with any other disk */ - if (instance_list && - (!strncmp(instance_list->device, BASE_MD, sizeof(BASE_MD)-1) || - !strncmp(device, BASE_MD, sizeof(BASE_MD)-1))) - return 1; -#endif - - base = base_device(device); - /* - * If we don't know the base device, assume that the device is - * already active if there are any fsck instances running. - */ - if (!base) - return (instance_list != 0); - for (inst = instance_list; inst; inst = inst->next) { - if (!inst->base_device || !strcmp(base, inst->base_device)) { - free(base); - return 1; - } - } - free(base); - return 0; -} - -/* Check all file systems, using the /etc/fstab table. */ -static int check_all(void) -{ - struct fs_info *fs = NULL; - int status = EXIT_OK; - int not_done_yet = 1; - int passno = 1; - int pass_done; - - if (verbose) - fputs("Checking all file systems.\n", stdout); - - /* - * Do an initial scan over the filesystem; mark filesystems - * which should be ignored as done, and resolve any "auto" - * filesystem types (done as a side-effect of calling ignore()). - */ - for (fs = filesys_info; fs; fs = fs->next) { - if (ignore(fs)) - fs->flags |= FLAG_DONE; - } - - /* - * Find and check the root filesystem. - */ - if (!parallel_root) { - for (fs = filesys_info; fs; fs = fs->next) { - if (LONE_CHAR(fs->mountpt, '/')) - break; - } - if (fs) { - if (!skip_root && !ignore(fs)) { - fsck_device(fs, 1); - status |= wait_many(FLAG_WAIT_ALL); - if (status > EXIT_NONDESTRUCT) - return status; - } - fs->flags |= FLAG_DONE; - } - } - /* - * This is for the bone-headed user who enters the root - * filesystem twice. Skip root will skep all root entries. - */ - if (skip_root) - for (fs = filesys_info; fs; fs = fs->next) - if (LONE_CHAR(fs->mountpt, '/')) - fs->flags |= FLAG_DONE; - - while (not_done_yet) { - not_done_yet = 0; - pass_done = 1; - - for (fs = filesys_info; fs; fs = fs->next) { - if (cancel_requested) - break; - if (fs->flags & FLAG_DONE) - continue; - /* - * If the filesystem's pass number is higher - * than the current pass number, then we don't - * do it yet. - */ - if (fs->passno > passno) { - not_done_yet++; - continue; - } - /* - * If a filesystem on a particular device has - * already been spawned, then we need to defer - * this to another pass. - */ - if (device_already_active(fs->device)) { - pass_done = 0; - continue; - } - /* - * Spawn off the fsck process - */ - fsck_device(fs, serialize); - fs->flags |= FLAG_DONE; - - /* - * Only do one filesystem at a time, or if we - * have a limit on the number of fsck's extant - * at one time, apply that limit. - */ - if (serialize || - (max_running && (num_running >= max_running))) { - pass_done = 0; - break; - } - } - if (cancel_requested) - break; - if (verbose > 1) - printf("--waiting-- (pass %d)\n", passno); - status |= wait_many(pass_done ? FLAG_WAIT_ALL : - FLAG_WAIT_ATLEAST_ONE); - if (pass_done) { - if (verbose > 1) - printf("----------------------------------\n"); - passno++; - } else - not_done_yet++; - } - if (cancel_requested && !kill_sent) { - kill_all(SIGTERM); - kill_sent++; - } - status |= wait_many(FLAG_WAIT_ATLEAST_ONE); - return status; -} - -static void signal_cancel(int sig FSCK_ATTR((unused))) -{ - cancel_requested++; -} - -static void PRS(int argc, char *argv[]) -{ - int i, j; - char *arg, *dev, *tmp = 0; - char options[128]; - int opt = 0; - int opts_for_fsck = 0; - struct sigaction sa; - - /* - * Set up signal action - */ - memset(&sa, 0, sizeof(struct sigaction)); - sa.sa_handler = signal_cancel; - sigaction(SIGINT, &sa, 0); - sigaction(SIGTERM, &sa, 0); - - num_devices = 0; - num_args = 0; - instance_list = 0; - - for (i=1; i < argc; i++) { - arg = argv[i]; - if (!arg) - continue; - if ((arg[0] == '/' && !opts_for_fsck) || strchr(arg, '=')) { - if (num_devices >= MAX_DEVICES) { - bb_error_msg_and_die("too many devices"); - } - dev = blkid_get_devname(cache, arg, NULL); - if (!dev && strchr(arg, '=')) { - /* - * Check to see if we failed because - * /proc/partitions isn't found. - */ - if (access("/proc/partitions", R_OK) < 0) { - bb_perror_msg_and_die("cannot open /proc/partitions " - "(is /proc mounted?)"); - } - /* - * Check to see if this is because - * we're not running as root - */ - if (geteuid()) - bb_error_msg_and_die( - "must be root to scan for matching filesystems: %s\n", arg); - else - bb_error_msg_and_die( - "cannot find matching filesystem: %s", arg); - } - devices[num_devices++] = dev ? dev : string_copy(arg); - continue; - } - if (arg[0] != '-' || opts_for_fsck) { - if (num_args >= MAX_ARGS) { - bb_error_msg_and_die("too many arguments"); - } - args[num_args++] = string_copy(arg); - continue; - } - for (j=1; arg[j]; j++) { - if (opts_for_fsck) { - options[++opt] = arg[j]; - continue; - } - switch (arg[j]) { - case 'A': - doall++; - break; - case 'C': - progress++; - if (arg[j+1]) { - progress_fd = string_to_int(arg+j+1); - if (progress_fd < 0) - progress_fd = 0; - else - goto next_arg; - } else if ((i+1) < argc - && argv[i+1][0] != '-') { - progress_fd = string_to_int(argv[i]); - if (progress_fd < 0) - progress_fd = 0; - else { - goto next_arg; - i++; - } - } - break; - case 'V': - verbose++; - break; - case 'N': - noexecute++; - break; - case 'R': - skip_root++; - break; - case 'T': - notitle++; - break; - case 'M': - like_mount++; - break; - case 'P': - parallel_root++; - break; - case 's': - serialize++; - break; - case 't': - tmp = 0; - if (fstype) - bb_show_usage(); - if (arg[j+1]) - tmp = arg+j+1; - else if ((i+1) < argc) - tmp = argv[++i]; - else - bb_show_usage(); - fstype = string_copy(tmp); - compile_fs_type(fstype, &fs_type_compiled); - goto next_arg; - case '-': - opts_for_fsck++; - break; - case '?': - bb_show_usage(); - break; - default: - options[++opt] = arg[j]; - break; - } - } - next_arg: - if (opt) { - options[0] = '-'; - options[++opt] = '\0'; - if (num_args >= MAX_ARGS) { - bb_error_msg("too many arguments"); - } - args[num_args++] = string_copy(options); - opt = 0; - } - } - if (getenv("FSCK_FORCE_ALL_PARALLEL")) - force_all_parallel++; - if ((tmp = getenv("FSCK_MAX_INST"))) - max_running = atoi(tmp); -} - -int fsck_main(int argc, char *argv[]) -{ - int i, status = 0; - int interactive = 0; - const char *fstab; - struct fs_info *fs; - - setvbuf(stdout, NULL, _IONBF, BUFSIZ); - setvbuf(stderr, NULL, _IONBF, BUFSIZ); - - blkid_get_cache(&cache, NULL); - PRS(argc, argv); - - if (!notitle) - printf("fsck %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE); - - fstab = getenv("FSTAB_FILE"); - if (!fstab) - fstab = _PATH_MNTTAB; - load_fs_info(fstab); - - fsck_path = e2fs_set_sbin_path(); - - if ((num_devices == 1) || (serialize)) - interactive = 1; - - /* If -A was specified ("check all"), do that! */ - if (doall) - return check_all(); - - if (num_devices == 0) { - serialize++; - interactive++; - return check_all(); - } - for (i = 0 ; i < num_devices; i++) { - if (cancel_requested) { - if (!kill_sent) { - kill_all(SIGTERM); - kill_sent++; - } - break; - } - fs = lookup(devices[i]); - if (!fs) { - fs = create_fs_device(devices[i], 0, "auto", - 0, -1, -1); - if (!fs) - continue; - } - fsck_device(fs, interactive); - if (serialize || - (max_running && (num_running >= max_running))) { - struct fsck_instance *inst; - - inst = wait_one(0); - if (inst) { - status |= inst->exit_status; - free_instance(inst); - } - if (verbose > 1) - printf("----------------------------------\n"); - } - } - status |= wait_many(FLAG_WAIT_ALL); - blkid_put_cache(cache); - return status; -} diff --git a/e2fsprogs/fsck.h b/e2fsprogs/fsck.h deleted file mode 100644 index 2ca2af7da..000000000 --- a/e2fsprogs/fsck.h +++ /dev/null @@ -1,16 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * fsck.h - */ - -#define FSCK_ATTR(x) __attribute__(x) - -#define EXIT_OK 0 -#define EXIT_NONDESTRUCT 1 -#define EXIT_DESTRUCT 2 -#define EXIT_UNCORRECTED 4 -#define EXIT_ERROR 8 -#define EXIT_USAGE 16 -#define FSCK_CANCELED 32 /* Aborted with a signal or ^C */ - -extern char *e2fs_set_sbin_path(void); diff --git a/e2fsprogs/lsattr.c b/e2fsprogs/lsattr.c deleted file mode 100644 index eb28fcbab..000000000 --- a/e2fsprogs/lsattr.c +++ /dev/null @@ -1,128 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * lsattr.c - List file attributes on an ext2 file system - * - * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * This file can be redistributed under the terms of the GNU General - * Public License - */ - -/* - * History: - * 93/10/30 - Creation - * 93/11/13 - Replace stat() calls by lstat() to avoid loops - * 94/02/27 - Integrated in Ted's distribution - * 98/12/29 - Display version info only when -V specified (G M Sipe) - */ - -#include <sys/types.h> -#include <dirent.h> -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <sys/param.h> -#include <sys/stat.h> - -#include "ext2fs/ext2_fs.h" -#include "e2fsbb.h" -#include "e2p/e2p.h" - -#define OPT_RECUR 1 -#define OPT_ALL 2 -#define OPT_DIRS_OPT 4 -#define OPT_PF_LONG 8 -#define OPT_GENERATION 16 -static int flags; - -static void list_attributes(const char *name) -{ - unsigned long fsflags; - unsigned long generation; - - if (fgetflags(name, &fsflags) == -1) - goto read_err; - if (flags & OPT_GENERATION) { - if (fgetversion(name, &generation) == -1) - goto read_err; - printf("%5lu ", generation); - } - - if (flags & OPT_PF_LONG) { - printf("%-28s ", name); - print_flags(stdout, fsflags, PFOPT_LONG); - puts(""); - } else { - print_flags(stdout, fsflags, 0); - printf(" %s\n", name); - } - - return; -read_err: - bb_perror_msg("reading %s", name); -} - -static int lsattr_dir_proc(const char *, struct dirent *, void *); - -static void lsattr_args(const char *name) -{ - struct stat st; - - if (lstat(name, &st) == -1) { - bb_perror_msg("stating %s", name); - } else { - if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT)) - iterate_on_dir(name, lsattr_dir_proc, NULL); - else - list_attributes(name); - } -} - -static int lsattr_dir_proc(const char *dir_name, struct dirent *de, - void *private) -{ - struct stat st; - char *path; - - path = concat_path_file(dir_name, de->d_name); - - if (lstat(path, &st) == -1) - bb_perror_msg(path); - else { - if (de->d_name[0] != '.' || (flags & OPT_ALL)) { - list_attributes(path); - if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) && - (de->d_name[0] != '.' && (de->d_name[1] != '\0' || - (de->d_name[1] != '.' && de->d_name[2] != '\0')))) { - printf("\n%s:\n", path); - iterate_on_dir(path, lsattr_dir_proc, NULL); - puts(""); - } - } - } - - free(path); - - return 0; -} - -int lsattr_main(int argc, char **argv) -{ - int i; - - flags = getopt32(argc, argv, "Radlv"); - - if (optind > argc - 1) - lsattr_args("."); - else - for (i = optind; i < argc; i++) - lsattr_args(argv[i]); - - return EXIT_SUCCESS; -} diff --git a/e2fsprogs/mke2fs.c b/e2fsprogs/mke2fs.c deleted file mode 100644 index f25ecfb6c..000000000 --- a/e2fsprogs/mke2fs.c +++ /dev/null @@ -1,1336 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * mke2fs.c - Make a ext2fs filesystem. - * - * Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - * 2003, 2004, 2005 by Theodore Ts'o. - * - * This file may be redistributed under the terms of the GNU Public - * License. - */ - -/* Usage: mke2fs [options] device - * - * The device may be a block device or a image of one, but this isn't - * enforced (but it's not much fun on a character device :-). - */ - -#include <stdio.h> -#include <string.h> -#include <fcntl.h> -#include <ctype.h> -#include <time.h> -#include <getopt.h> -#include <unistd.h> -#include <stdlib.h> -#include <errno.h> -#include <mntent.h> -#include <sys/ioctl.h> -#include <sys/types.h> - -#include "e2fsbb.h" -#include "ext2fs/ext2_fs.h" -#include "uuid/uuid.h" -#include "e2p/e2p.h" -#include "ext2fs/ext2fs.h" -#include "util.h" - -#define STRIDE_LENGTH 8 - -#ifndef __sparc__ -#define ZAP_BOOTBLOCK -#endif - -static const char * device_name; - -/* Command line options */ -static int cflag; -static int quiet; -static int super_only; -static int force; -static int noaction; -static int journal_size; -static int journal_flags; -static const char *bad_blocks_filename; -static __u32 fs_stride; - -static struct ext2_super_block param; -static char *creator_os; -static char *volume_label; -static char *mount_dir; -static char *journal_device = NULL; -static int sync_kludge; /* Set using the MKE2FS_SYNC env. option */ - -static int sys_page_size = 4096; -static int linux_version_code = 0; - -static int int_log2(int arg) -{ - int l = 0; - - arg >>= 1; - while (arg) { - l++; - arg >>= 1; - } - return l; -} - -static int int_log10(unsigned int arg) -{ - int l; - - for (l=0; arg ; l++) - arg = arg / 10; - return l; -} - -/* - * This function sets the default parameters for a filesystem - * - * The type is specified by the user. The size is the maximum size - * (in megabytes) for which a set of parameters applies, with a size - * of zero meaning that it is the default parameter for the type. - * Note that order is important in the table below. - */ -#define DEF_MAX_BLOCKSIZE -1 -static const char default_str[] = "default"; -struct mke2fs_defaults { - const char *type; - int size; - int blocksize; - int inode_ratio; -}; - -static const struct mke2fs_defaults settings[] = { - { default_str, 0, 4096, 8192 }, - { default_str, 512, 1024, 4096 }, - { default_str, 3, 1024, 8192 }, - { "journal", 0, 4096, 8192 }, - { "news", 0, 4096, 4096 }, - { "largefile", 0, 4096, 1024 * 1024 }, - { "largefile4", 0, 4096, 4096 * 1024 }, - { 0, 0, 0, 0}, -}; - -static void set_fs_defaults(const char *fs_type, - struct ext2_super_block *super, - int blocksize, int sector_size, - int *inode_ratio) -{ - int megs; - int ratio = 0; - const struct mke2fs_defaults *p; - int use_bsize = 1024; - - megs = super->s_blocks_count * (EXT2_BLOCK_SIZE(super) / 1024) / 1024; - if (inode_ratio) - ratio = *inode_ratio; - if (!fs_type) - fs_type = default_str; - for (p = settings; p->type; p++) { - if ((strcmp(p->type, fs_type) != 0) && - (strcmp(p->type, default_str) != 0)) - continue; - if ((p->size != 0) && (megs > p->size)) - continue; - if (ratio == 0) - *inode_ratio = p->inode_ratio < blocksize ? - blocksize : p->inode_ratio; - use_bsize = p->blocksize; - } - if (blocksize <= 0) { - if (use_bsize == DEF_MAX_BLOCKSIZE) { - use_bsize = sys_page_size; - if ((linux_version_code < (2*65536 + 6*256)) && - (use_bsize > 4096)) - use_bsize = 4096; - } - if (sector_size && use_bsize < sector_size) - use_bsize = sector_size; - if ((blocksize < 0) && (use_bsize < (-blocksize))) - use_bsize = -blocksize; - blocksize = use_bsize; - super->s_blocks_count /= blocksize / 1024; - } - super->s_log_frag_size = super->s_log_block_size = - int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); -} - - -/* - * Helper function for read_bb_file and test_disk - */ -static void invalid_block(ext2_filsys fs EXT2FS_ATTR((unused)), blk_t blk) -{ - bb_error_msg("Bad block %u out of range; ignored", blk); - return; -} - -/* - * Busybox stuff - */ -static void mke2fs_error_msg_and_die(int retval, const char *fmt, ...)__attribute__ ((format (printf, 2, 3))); -static void mke2fs_error_msg_and_die(int retval, const char *fmt, ...) -{ - va_list ap; - - if (retval) { - va_start(ap, fmt); - fprintf(stderr,"\nCould not "); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); - exit(EXIT_FAILURE); - } -} - -static void mke2fs_verbose(const char *fmt, ...)__attribute__ ((format (printf, 1, 2))); -static void mke2fs_verbose(const char *fmt, ...) -{ - va_list ap; - - if (!quiet) { - va_start(ap, fmt); - vfprintf(stdout, fmt, ap); - fflush(stdout); - va_end(ap); - } -} - -static void mke2fs_verbose_done(void) -{ - mke2fs_verbose("done\n"); -} - -static void mke2fs_warning_msg(int retval, char *fmt, ... )__attribute__ ((format (printf, 2, 3))); -static void mke2fs_warning_msg(int retval, char *fmt, ... ) -{ - va_list ap; - - if (retval) { - va_start(ap, fmt); - fprintf(stderr,"\nWarning: "); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); - } -} - -/* - * Reads the bad blocks list from a file - */ -static void read_bb_file(ext2_filsys fs, badblocks_list *bb_list, - const char *bad_blocks_file) -{ - FILE *f; - errcode_t retval; - - f = xfopen(bad_blocks_file, "r"); - retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); - fclose (f); - mke2fs_error_msg_and_die(retval, "read bad blocks from list"); -} - -/* - * Runs the badblocks program to test the disk - */ -static void test_disk(ext2_filsys fs, badblocks_list *bb_list) -{ - FILE *f; - errcode_t retval; - char buf[1024]; - - sprintf(buf, "badblocks -b %d %s%s%s %d", fs->blocksize, - quiet ? "" : "-s ", (cflag > 1) ? "-w " : "", - fs->device_name, fs->super->s_blocks_count); - mke2fs_verbose("Running command: %s\n", buf); - f = popen(buf, "r"); - if (!f) { - bb_perror_msg_and_die("cannot run '%s'", buf); - } - retval = ext2fs_read_bb_FILE(fs, f, bb_list, invalid_block); - pclose(f); - mke2fs_error_msg_and_die(retval, "read bad blocks from program"); -} - -static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list) -{ - dgrp_t i; - blk_t j; - unsigned must_be_good; - blk_t blk; - badblocks_iterate bb_iter; - errcode_t retval; - blk_t group_block; - int group; - int group_bad; - - if (!bb_list) - return; - - /* - * The primary superblock and group descriptors *must* be - * good; if not, abort. - */ - must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks; - for (i = fs->super->s_first_data_block; i <= must_be_good; i++) { - if (ext2fs_badblocks_list_test(bb_list, i)) { - bb_error_msg_and_die( - "Block %d in primary superblock/group descriptor area bad\n" - "Blocks %d through %d must be good in order to build a filesystem\n" - "Aborting ...", i, fs->super->s_first_data_block, must_be_good); - } - } - - /* - * See if any of the bad blocks are showing up in the backup - * superblocks and/or group descriptors. If so, issue a - * warning and adjust the block counts appropriately. - */ - group_block = fs->super->s_first_data_block + - fs->super->s_blocks_per_group; - - for (i = 1; i < fs->group_desc_count; i++) { - group_bad = 0; - for (j=0; j < fs->desc_blocks+1; j++) { - if (ext2fs_badblocks_list_test(bb_list, - group_block + j)) { - mke2fs_warning_msg(!group_bad, - "the backup superblock/group descriptors at block %d contain\n" - "bad blocks\n", group_block); - group_bad++; - group = ext2fs_group_of_blk(fs, group_block+j); - fs->group_desc[group].bg_free_blocks_count++; - fs->super->s_free_blocks_count++; - } - } - group_block += fs->super->s_blocks_per_group; - } - - /* - * Mark all the bad blocks as used... - */ - retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter); - mke2fs_error_msg_and_die(retval, "mark bad blocks as used"); - - while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) - ext2fs_mark_block_bitmap(fs->block_map, blk); - ext2fs_badblocks_list_iterate_end(bb_iter); -} - -/* - * These functions implement a generalized progress meter. - */ -struct progress_struct { - char format[20]; - char backup[80]; - __u32 max; - int skip_progress; -}; - -static void progress_init(struct progress_struct *progress, - const char *label,__u32 max) -{ - int i; - - memset(progress, 0, sizeof(struct progress_struct)); - if (quiet) - return; - - /* - * Figure out how many digits we need - */ - i = int_log10(max); - sprintf(progress->format, "%%%dd/%%%dld", i, i); - memset(progress->backup, '\b', sizeof(progress->backup)-1); - progress->backup[sizeof(progress->backup)-1] = 0; - if ((2*i)+1 < (int) sizeof(progress->backup)) - progress->backup[(2*i)+1] = 0; - progress->max = max; - - progress->skip_progress = 0; - if (getenv("MKE2FS_SKIP_PROGRESS")) - progress->skip_progress++; - - fputs(label, stdout); - fflush(stdout); -} - -static void progress_update(struct progress_struct *progress, __u32 val) -{ - if ((progress->format[0] == 0) || progress->skip_progress) - return; - printf(progress->format, val, progress->max); - fputs(progress->backup, stdout); -} - -static void progress_close(struct progress_struct *progress) -{ - if (progress->format[0] == 0) - return; - printf("%-28s\n", "done"); -} - - -/* - * Helper function which zeros out _num_ blocks starting at _blk_. In - * case of an error, the details of the error is returned via _ret_blk_ - * and _ret_count_ if they are non-NULL pointers. Returns 0 on - * success, and an error code on an error. - * - * As a special case, if the first argument is NULL, then it will - * attempt to free the static zeroizing buffer. (This is to keep - * programs that check for memory leaks happy.) - */ -static errcode_t zero_blocks(ext2_filsys fs, blk_t blk, int num, - struct progress_struct *progress, - blk_t *ret_blk, int *ret_count) -{ - int j, count, next_update, next_update_incr; - static char *buf; - errcode_t retval; - - /* If fs is null, clean up the static buffer and return */ - if (!fs) { - if (buf) { - free(buf); - buf = 0; - } - return 0; - } - /* Allocate the zeroizing buffer if necessary */ - if (!buf) { - buf = xzalloc(fs->blocksize * STRIDE_LENGTH); - } - /* OK, do the write loop */ - next_update = 0; - next_update_incr = num / 100; - if (next_update_incr < 1) - next_update_incr = 1; - for (j=0; j < num; j += STRIDE_LENGTH, blk += STRIDE_LENGTH) { - count = num - j; - if (count > STRIDE_LENGTH) - count = STRIDE_LENGTH; - retval = io_channel_write_blk(fs->io, blk, count, buf); - if (retval) { - if (ret_count) - *ret_count = count; - if (ret_blk) - *ret_blk = blk; - return retval; - } - if (progress && j > next_update) { - next_update += num / 100; - progress_update(progress, blk); - } - } - return 0; -} - -static void write_inode_tables(ext2_filsys fs) -{ - errcode_t retval; - blk_t blk; - dgrp_t i; - int num; - struct progress_struct progress; - - if (quiet) - memset(&progress, 0, sizeof(progress)); - else - progress_init(&progress, "Writing inode tables: ", - fs->group_desc_count); - - for (i = 0; i < fs->group_desc_count; i++) { - progress_update(&progress, i); - - blk = fs->group_desc[i].bg_inode_table; - num = fs->inode_blocks_per_group; - - retval = zero_blocks(fs, blk, num, 0, &blk, &num); - mke2fs_error_msg_and_die(retval, - "write %d blocks in inode table starting at %d.", - num, blk); - if (sync_kludge) { - if (sync_kludge == 1) - sync(); - else if ((i % sync_kludge) == 0) - sync(); - } - } - zero_blocks(0, 0, 0, 0, 0, 0); - progress_close(&progress); -} - -static void create_root_dir(ext2_filsys fs) -{ - errcode_t retval; - struct ext2_inode inode; - - retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, EXT2_ROOT_INO, 0); - mke2fs_error_msg_and_die(retval, "create root dir"); - if (geteuid()) { - retval = ext2fs_read_inode(fs, EXT2_ROOT_INO, &inode); - mke2fs_error_msg_and_die(retval, "read root inode"); - inode.i_uid = getuid(); - if (inode.i_uid) - inode.i_gid = getgid(); - retval = ext2fs_write_new_inode(fs, EXT2_ROOT_INO, &inode); - mke2fs_error_msg_and_die(retval, "set root inode ownership"); - } -} - -static void create_lost_and_found(ext2_filsys fs) -{ - errcode_t retval; - ext2_ino_t ino; - const char *name = "lost+found"; - int i = 1; - char *msg = "create"; - int lpf_size = 0; - - fs->umask = 077; - retval = ext2fs_mkdir(fs, EXT2_ROOT_INO, 0, name); - if (retval) { - goto CREATE_LOST_AND_FOUND_ERROR; - } - - retval = ext2fs_lookup(fs, EXT2_ROOT_INO, name, strlen(name), 0, &ino); - if (retval) { - msg = "lookup"; - goto CREATE_LOST_AND_FOUND_ERROR; - } - - for (; i < EXT2_NDIR_BLOCKS; i++) { - if ((lpf_size += fs->blocksize) >= 16*1024) - break; - retval = ext2fs_expand_dir(fs, ino); - msg = "expand"; -CREATE_LOST_AND_FOUND_ERROR: - mke2fs_error_msg_and_die(retval, "%s %s", msg, name); - } -} - -static void create_bad_block_inode(ext2_filsys fs, badblocks_list bb_list) -{ - errcode_t retval; - - ext2fs_mark_inode_bitmap(fs->inode_map, EXT2_BAD_INO); - fs->group_desc[0].bg_free_inodes_count--; - fs->super->s_free_inodes_count--; - retval = ext2fs_update_bb_inode(fs, bb_list); - mke2fs_error_msg_and_die(retval, "set bad block inode"); -} - -static void reserve_inodes(ext2_filsys fs) -{ - ext2_ino_t i; - int group; - - for (i = EXT2_ROOT_INO + 1; i < EXT2_FIRST_INODE(fs->super); i++) { - ext2fs_mark_inode_bitmap(fs->inode_map, i); - group = ext2fs_group_of_ino(fs, i); - fs->group_desc[group].bg_free_inodes_count--; - fs->super->s_free_inodes_count--; - } - ext2fs_mark_ib_dirty(fs); -} - -#define BSD_DISKMAGIC (0x82564557UL) /* The disk magic number */ -#define BSD_MAGICDISK (0x57455682UL) /* The disk magic number reversed */ -#define BSD_LABEL_OFFSET 64 - -static void zap_sector(ext2_filsys fs, int sect, int nsect) -{ - char *buf; - char *fmt = "could not %s %d"; - int retval; - unsigned int *magic; - - buf = xmalloc(512*nsect); - - if (sect == 0) { - /* Check for a BSD disklabel, and don't erase it if so */ - retval = io_channel_read_blk(fs->io, 0, -512, buf); - if (retval) - mke2fs_warning_msg(retval, fmt, "read block", 0); - else { - magic = (unsigned int *) (buf + BSD_LABEL_OFFSET); - if ((*magic == BSD_DISKMAGIC) || - (*magic == BSD_MAGICDISK)) - return; - } - } - - memset(buf, 0, 512*nsect); - io_channel_set_blksize(fs->io, 512); - retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf); - io_channel_set_blksize(fs->io, fs->blocksize); - free(buf); - mke2fs_warning_msg(retval, fmt, "erase sector", sect); -} - -static void create_journal_dev(ext2_filsys fs) -{ - struct progress_struct progress; - errcode_t retval; - char *buf; - char *fmt = "%s journal superblock"; - blk_t blk; - int count; - - retval = ext2fs_create_journal_superblock(fs, - fs->super->s_blocks_count, 0, &buf); - mke2fs_error_msg_and_die(retval, fmt, "init"); - if (quiet) - memset(&progress, 0, sizeof(progress)); - else - progress_init(&progress, "Zeroing journal device: ", - fs->super->s_blocks_count); - - retval = zero_blocks(fs, 0, fs->super->s_blocks_count, - &progress, &blk, &count); - mke2fs_error_msg_and_die(retval, "zero journal device (block %u, count %d)", - blk, count); - zero_blocks(0, 0, 0, 0, 0, 0); - - retval = io_channel_write_blk(fs->io, - fs->super->s_first_data_block+1, - 1, buf); - mke2fs_error_msg_and_die(retval, fmt, "write"); - progress_close(&progress); -} - -static void show_stats(ext2_filsys fs) -{ - struct ext2_super_block *s = fs->super; - char *os; - blk_t group_block; - dgrp_t i; - int need, col_left; - - mke2fs_warning_msg((param.s_blocks_count != s->s_blocks_count), - "%d blocks unused\n", param.s_blocks_count - s->s_blocks_count); - os = e2p_os2string(fs->super->s_creator_os); - printf( "Filesystem label=%.*s\n" - "OS type: %s\n" - "Block size=%u (log=%u)\n" - "Fragment size=%u (log=%u)\n" - "%u inodes, %u blocks\n" - "%u blocks (%2.2f%%) reserved for the super user\n" - "First data block=%u\n", - (int) sizeof(s->s_volume_name), - s->s_volume_name, - os, - fs->blocksize, s->s_log_block_size, - fs->fragsize, s->s_log_frag_size, - s->s_inodes_count, s->s_blocks_count, - s->s_r_blocks_count, 100.0 * s->s_r_blocks_count / s->s_blocks_count, - s->s_first_data_block); - free(os); - if (s->s_reserved_gdt_blocks) { - printf("Maximum filesystem blocks=%lu\n", - (s->s_reserved_gdt_blocks + fs->desc_blocks) * - (fs->blocksize / sizeof(struct ext2_group_desc)) * - s->s_blocks_per_group); - } - printf( "%u block group%s\n" - "%u blocks per group, %u fragments per group\n" - "%u inodes per group\n", - fs->group_desc_count, (fs->group_desc_count > 1) ? "s" : "", - s->s_blocks_per_group, s->s_frags_per_group, - s->s_inodes_per_group); - if (fs->group_desc_count == 1) { - puts(""); - return; - } - - printf("Superblock backups stored on blocks: "); - group_block = s->s_first_data_block; - col_left = 0; - for (i = 1; i < fs->group_desc_count; i++) { - group_block += s->s_blocks_per_group; - if (!ext2fs_bg_has_super(fs, i)) - continue; - if (i != 1) - printf(", "); - need = int_log10(group_block) + 2; - if (need > col_left) { - printf("\n\t"); - col_left = 72; - } - col_left -= need; - printf("%u", group_block); - } - puts("\n"); -} - -/* - * Set the S_CREATOR_OS field. Return true if OS is known, - * otherwise, 0. - */ -static int set_os(struct ext2_super_block *sb, char *os) -{ - if (isdigit (*os)) { - sb->s_creator_os = atoi(os); - return 1; - } - - if((sb->s_creator_os = e2p_string2os(os)) >= 0) { - return 1; - } else if (!strcasecmp("GNU", os)) { - sb->s_creator_os = EXT2_OS_HURD; - return 1; - } - return 0; -} - -static void parse_extended_opts(struct ext2_super_block *sb_param, - const char *opts) -{ - char *buf, *token, *next, *p, *arg; - int r_usage = 0; - - buf = xstrdup(opts); - for (token = buf; token && *token; token = next) { - p = strchr(token, ','); - next = 0; - if (p) { - *p = 0; - next = p+1; - } - arg = strchr(token, '='); - if (arg) { - *arg = 0; - arg++; - } - if (strcmp(token, "stride") == 0) { - if (!arg) { - r_usage++; - continue; - } - fs_stride = strtoul(arg, &p, 0); - if (*p || (fs_stride == 0)) { - bb_error_msg("Invalid stride parameter: %s", arg); - r_usage++; - continue; - } - } else if (!strcmp(token, "resize")) { - unsigned long resize, bpg, rsv_groups; - unsigned long group_desc_count, desc_blocks; - unsigned int gdpb, blocksize; - int rsv_gdb; - - if (!arg) { - r_usage++; - continue; - } - - resize = parse_num_blocks(arg, - sb_param->s_log_block_size); - - if (resize == 0) { - bb_error_msg("Invalid resize parameter: %s", arg); - r_usage++; - continue; - } - if (resize <= sb_param->s_blocks_count) { - bb_error_msg("The resize maximum must be greater " - "than the filesystem size"); - r_usage++; - continue; - } - - blocksize = EXT2_BLOCK_SIZE(sb_param); - bpg = sb_param->s_blocks_per_group; - if (!bpg) - bpg = blocksize * 8; - gdpb = blocksize / sizeof(struct ext2_group_desc); - group_desc_count = (sb_param->s_blocks_count + - bpg - 1) / bpg; - desc_blocks = (group_desc_count + - gdpb - 1) / gdpb; - rsv_groups = (resize + bpg - 1) / bpg; - rsv_gdb = (rsv_groups + gdpb - 1) / gdpb - - desc_blocks; - if (rsv_gdb > EXT2_ADDR_PER_BLOCK(sb_param)) - rsv_gdb = EXT2_ADDR_PER_BLOCK(sb_param); - - if (rsv_gdb > 0) { - sb_param->s_feature_compat |= - EXT2_FEATURE_COMPAT_RESIZE_INODE; - - sb_param->s_reserved_gdt_blocks = rsv_gdb; - } - } else - r_usage++; - } - if (r_usage) { - bb_error_msg_and_die( - "\nBad options specified.\n\n" - "Extended options are separated by commas, " - "and may take an argument which\n" - "\tis set off by an equals ('=') sign.\n\n" - "Valid extended options are:\n" - "\tstride=<stride length in blocks>\n" - "\tresize=<resize maximum size in blocks>\n"); - } -} - -static __u32 ok_features[3] = { - EXT3_FEATURE_COMPAT_HAS_JOURNAL | - EXT2_FEATURE_COMPAT_RESIZE_INODE | - EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */ - EXT2_FEATURE_INCOMPAT_FILETYPE| /* Incompat */ - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV| - EXT2_FEATURE_INCOMPAT_META_BG, - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */ -}; - -static int PRS(int argc, char *argv[]) -{ - int c; - int size; - char * tmp; - int blocksize = 0; - int inode_ratio = 0; - int inode_size = 0; - int reserved_ratio = 5; - int sector_size = 0; - int show_version_only = 0; - ext2_ino_t num_inodes = 0; - errcode_t retval; - char * extended_opts = 0; - const char * fs_type = 0; - blk_t dev_size; - long sysval; - - /* Update our PATH to include /sbin */ - e2fs_set_sbin_path(); - - tmp = getenv("MKE2FS_SYNC"); - if (tmp) - sync_kludge = atoi(tmp); - - /* Determine the system page size if possible */ -#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE)) -#define _SC_PAGESIZE _SC_PAGE_SIZE -#endif -#ifdef _SC_PAGESIZE - sysval = sysconf(_SC_PAGESIZE); - if (sysval > 0) - sys_page_size = sysval; -#endif /* _SC_PAGESIZE */ - - setbuf(stdout, NULL); - setbuf(stderr, NULL); - memset(¶m, 0, sizeof(struct ext2_super_block)); - param.s_rev_level = 1; /* Create revision 1 filesystems now */ - param.s_feature_incompat |= EXT2_FEATURE_INCOMPAT_FILETYPE; - param.s_feature_ro_compat |= EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - -#ifdef __linux__ - linux_version_code = get_linux_version_code(); - if (linux_version_code && linux_version_code < KERNEL_VERSION(2,2,0)) { - param.s_rev_level = 0; - param.s_feature_incompat = 0; - param.s_feature_compat = 0; - param.s_feature_ro_compat = 0; - } -#endif - - /* If called as mkfs.ext3, create a journal inode */ - if (last_char_is(applet_name, '3')) - journal_size = -1; - - while ((c = getopt (argc, argv, - "b:cE:f:g:i:jl:m:no:qr:R:s:tvI:J:ST:FL:M:N:O:V")) != EOF) { - switch (c) { - case 'b': - blocksize = xatou_range(optarg, EXT2_MIN_BLOCK_SIZE, EXT2_MAX_BLOCK_SIZE); - mke2fs_warning_msg((blocksize > 4096), - "blocksize %d not usable on most systems", - blocksize); - param.s_log_block_size = - int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); - break; - case 'c': /* Check for bad blocks */ - case 't': /* deprecated */ - cflag++; - break; - case 'f': - size = xatou_range(optarg, EXT2_MIN_BLOCK_SIZE, EXT2_MAX_BLOCK_SIZE); - param.s_log_frag_size = - int_log2(size >> EXT2_MIN_BLOCK_LOG_SIZE); - mke2fs_warning_msg(1, "fragments not supported. Ignoring -f option"); - break; - case 'g': - param.s_blocks_per_group = xatou32(optarg); - if ((param.s_blocks_per_group % 8) != 0) { - bb_error_msg_and_die("blocks per group must be multiple of 8"); - } - break; - case 'i': - /* Huh? is "* 1024" correct? */ - inode_ratio = xatou_range(optarg, EXT2_MIN_BLOCK_SIZE, EXT2_MAX_BLOCK_SIZE * 1024); - break; - case 'J': - parse_journal_opts(&journal_device, &journal_flags, &journal_size, optarg); - break; - case 'j': - param.s_feature_compat |= - EXT3_FEATURE_COMPAT_HAS_JOURNAL; - if (!journal_size) - journal_size = -1; - break; - case 'l': - bad_blocks_filename = optarg; - break; - case 'm': - reserved_ratio = xatou_range(optarg, 0, 50); - break; - case 'n': - noaction++; - break; - case 'o': - creator_os = optarg; - break; - case 'r': - param.s_rev_level = xatoi_u(optarg); - if (param.s_rev_level == EXT2_GOOD_OLD_REV) { - param.s_feature_incompat = 0; - param.s_feature_compat = 0; - param.s_feature_ro_compat = 0; - } - break; - case 's': /* deprecated */ - if (xatou(optarg)) - param.s_feature_ro_compat |= - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - else - param.s_feature_ro_compat &= - ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - break; -#ifdef EXT2_DYNAMIC_REV - case 'I': - inode_size = xatoi_u(optarg); - break; -#endif - case 'N': - num_inodes = xatoi_u(optarg); - break; - case 'v': - quiet = 0; - break; - case 'q': - quiet = 1; - break; - case 'F': - force = 1; - break; - case 'L': - volume_label = optarg; - break; - case 'M': - mount_dir = optarg; - break; - case 'O': - if (!strcmp(optarg, "none")) { - param.s_feature_compat = 0; - param.s_feature_incompat = 0; - param.s_feature_ro_compat = 0; - break; - } - if (e2p_edit_feature(optarg, - ¶m.s_feature_compat, - ok_features)) { - bb_error_msg_and_die("Invalid filesystem option set: %s", optarg); - } - break; - case 'E': - case 'R': - extended_opts = optarg; - break; - case 'S': - super_only = 1; - break; - case 'T': - fs_type = optarg; - break; - case 'V': - /* Print version number and exit */ - show_version_only = 1; - quiet = 0; - break; - default: - bb_show_usage(); - } - } - if ((optind == argc) /*&& !show_version_only*/) - bb_show_usage(); - device_name = argv[optind++]; - - mke2fs_verbose("mke2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE); - - if (show_version_only) { - return 0; - } - - /* - * If there's no blocksize specified and there is a journal - * device, use it to figure out the blocksize - */ - if (blocksize <= 0 && journal_device) { - ext2_filsys jfs; - io_manager io_ptr; - -#ifdef CONFIG_TESTIO_DEBUG - io_ptr = test_io_manager; - test_io_backing_manager = unix_io_manager; -#else - io_ptr = unix_io_manager; -#endif - retval = ext2fs_open(journal_device, - EXT2_FLAG_JOURNAL_DEV_OK, 0, - 0, io_ptr, &jfs); - mke2fs_error_msg_and_die(retval, "open journal device %s", journal_device); - if ((blocksize < 0) && (jfs->blocksize < (unsigned) (-blocksize))) { - bb_error_msg_and_die( - "Journal dev blocksize (%d) smaller than " - "minimum blocksize %d\n", jfs->blocksize, - -blocksize); - } - blocksize = jfs->blocksize; - param.s_log_block_size = - int_log2(blocksize >> EXT2_MIN_BLOCK_LOG_SIZE); - ext2fs_close(jfs); - } - - if (blocksize > sys_page_size) { - mke2fs_warning_msg(1, "%d-byte blocks too big for system (max %d)", - blocksize, sys_page_size); - if (!force) { - proceed_question(); - } - bb_error_msg("Forced to continue"); - } - mke2fs_warning_msg(((blocksize > 4096) && - (param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL)), - "some 2.4 kernels do not support " - "blocksizes greater than 4096 using ext3.\n" - "Use -b 4096 if this is an issue for you\n"); - - if (optind < argc) { - param.s_blocks_count = parse_num_blocks(argv[optind++], - param.s_log_block_size); - mke2fs_error_msg_and_die(!param.s_blocks_count, "invalid blocks count - %s", argv[optind - 1]); - } - if (optind < argc) - bb_show_usage(); - - if (param.s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - if (!fs_type) - fs_type = "journal"; - reserved_ratio = 0; - param.s_feature_incompat = EXT3_FEATURE_INCOMPAT_JOURNAL_DEV; - param.s_feature_compat = 0; - param.s_feature_ro_compat = 0; - } - if (param.s_rev_level == EXT2_GOOD_OLD_REV && - (param.s_feature_compat || param.s_feature_ro_compat || - param.s_feature_incompat)) - param.s_rev_level = 1; /* Create a revision 1 filesystem */ - - check_plausibility(device_name , force); - check_mount(device_name, force, "filesystem"); - - param.s_log_frag_size = param.s_log_block_size; - - if (noaction && param.s_blocks_count) { - dev_size = param.s_blocks_count; - retval = 0; - } else { - retry: - retval = ext2fs_get_device_size(device_name, - EXT2_BLOCK_SIZE(¶m), - &dev_size); - if ((retval == EFBIG) && - (blocksize == 0) && - (param.s_log_block_size == 0)) { - param.s_log_block_size = 2; - blocksize = 4096; - goto retry; - } - } - - mke2fs_error_msg_and_die((retval && (retval != EXT2_ET_UNIMPLEMENTED)),"determine filesystem size"); - - if (!param.s_blocks_count) { - if (retval == EXT2_ET_UNIMPLEMENTED) { - mke2fs_error_msg_and_die(1, - "determine device size; you " - "must specify\nthe size of the " - "filesystem"); - } else { - if (dev_size == 0) { - bb_error_msg_and_die( - "Device size reported to be zero. " - "Invalid partition specified, or\n\t" - "partition table wasn't reread " - "after running fdisk, due to\n\t" - "a modified partition being busy " - "and in use. You may need to reboot\n\t" - "to re-read your partition table.\n" - ); - } - param.s_blocks_count = dev_size; - if (sys_page_size > EXT2_BLOCK_SIZE(¶m)) - param.s_blocks_count &= ~((sys_page_size / - EXT2_BLOCK_SIZE(¶m))-1); - } - - } else if (!force && (param.s_blocks_count > dev_size)) { - bb_error_msg("Filesystem larger than apparent device size"); - proceed_question(); - } - - /* - * If the user asked for HAS_JOURNAL, then make sure a journal - * gets created. - */ - if ((param.s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) && - !journal_size) - journal_size = -1; - - /* Set first meta blockgroup via an environment variable */ - /* (this is mostly for debugging purposes) */ - if ((param.s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG) && - ((tmp = getenv("MKE2FS_FIRST_META_BG")))) - param.s_first_meta_bg = atoi(tmp); - - /* Get the hardware sector size, if available */ - retval = ext2fs_get_device_sectsize(device_name, §or_size); - mke2fs_error_msg_and_die(retval, "determine hardware sector size"); - - if ((tmp = getenv("MKE2FS_DEVICE_SECTSIZE")) != NULL) - sector_size = atoi(tmp); - - set_fs_defaults(fs_type, ¶m, blocksize, sector_size, &inode_ratio); - blocksize = EXT2_BLOCK_SIZE(¶m); - - if (extended_opts) - parse_extended_opts(¶m, extended_opts); - - /* Since sparse_super is the default, we would only have a problem - * here if it was explicitly disabled. - */ - if ((param.s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE) && - !(param.s_feature_ro_compat&EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) { - bb_error_msg_and_die("reserved online resize blocks not supported " - "on non-sparse filesystem"); - } - - if (param.s_blocks_per_group) { - if (param.s_blocks_per_group < 256 || - param.s_blocks_per_group > 8 * (unsigned) blocksize) { - bb_error_msg_and_die("blocks per group count out of range"); - } - } - - if (!force && param.s_blocks_count >= (1 << 31)) { - bb_error_msg_and_die("Filesystem too large. No more than 2**31-1 blocks\n" - "\t (8TB using a blocksize of 4k) are currently supported."); - } - - if (inode_size) { - if (inode_size < EXT2_GOOD_OLD_INODE_SIZE || - inode_size > EXT2_BLOCK_SIZE(¶m) || - inode_size & (inode_size - 1)) { - bb_error_msg_and_die("invalid inode size %d (min %d/max %d)", - inode_size, EXT2_GOOD_OLD_INODE_SIZE, - blocksize); - } - mke2fs_warning_msg((inode_size != EXT2_GOOD_OLD_INODE_SIZE), - "%d-byte inodes not usable on most systems", - inode_size); - param.s_inode_size = inode_size; - } - - /* - * Calculate number of inodes based on the inode ratio - */ - param.s_inodes_count = num_inodes ? num_inodes : - ((__u64) param.s_blocks_count * blocksize) - / inode_ratio; - - /* - * Calculate number of blocks to reserve - */ - param.s_r_blocks_count = (param.s_blocks_count * reserved_ratio) / 100; - return 1; -} - -static void mke2fs_clean_up(void) -{ - if (ENABLE_FEATURE_CLEAN_UP && journal_device) free(journal_device); -} - -int mke2fs_main (int argc, char *argv[]) -{ - errcode_t retval; - ext2_filsys fs; - badblocks_list bb_list = 0; - unsigned int i; - int val; - io_manager io_ptr; - - if (ENABLE_FEATURE_CLEAN_UP) - atexit(mke2fs_clean_up); - if(!PRS(argc, argv)) - return 0; - -#ifdef CONFIG_TESTIO_DEBUG - io_ptr = test_io_manager; - test_io_backing_manager = unix_io_manager; -#else - io_ptr = unix_io_manager; -#endif - - /* - * Initialize the superblock.... - */ - retval = ext2fs_initialize(device_name, 0, ¶m, - io_ptr, &fs); - mke2fs_error_msg_and_die(retval, "set up superblock"); - - /* - * Wipe out the old on-disk superblock - */ - if (!noaction) - zap_sector(fs, 2, 6); - - /* - * Generate a UUID for it... - */ - uuid_generate(fs->super->s_uuid); - - /* - * Initialize the directory index variables - */ - fs->super->s_def_hash_version = EXT2_HASH_TEA; - uuid_generate((unsigned char *) fs->super->s_hash_seed); - - /* - * Add "jitter" to the superblock's check interval so that we - * don't check all the filesystems at the same time. We use a - * kludgy hack of using the UUID to derive a random jitter value. - */ - for (i = 0, val = 0 ; i < sizeof(fs->super->s_uuid); i++) - val += fs->super->s_uuid[i]; - fs->super->s_max_mnt_count += val % EXT2_DFL_MAX_MNT_COUNT; - - /* - * Override the creator OS, if applicable - */ - if (creator_os && !set_os(fs->super, creator_os)) { - bb_error_msg_and_die("unknown os - %s", creator_os); - } - - /* - * For the Hurd, we will turn off filetype since it doesn't - * support it. - */ - if (fs->super->s_creator_os == EXT2_OS_HURD) - fs->super->s_feature_incompat &= - ~EXT2_FEATURE_INCOMPAT_FILETYPE; - - /* - * Set the volume label... - */ - if (volume_label) { - snprintf(fs->super->s_volume_name, sizeof(fs->super->s_volume_name), "%s", volume_label); - } - - /* - * Set the last mount directory - */ - if (mount_dir) { - snprintf(fs->super->s_last_mounted, sizeof(fs->super->s_last_mounted), "%s", mount_dir); - } - - if (!quiet || noaction) - show_stats(fs); - - if (noaction) - return 0; - - if (fs->super->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) { - create_journal_dev(fs); - return (ext2fs_close(fs) ? 1 : 0); - } - - if (bad_blocks_filename) - read_bb_file(fs, &bb_list, bad_blocks_filename); - if (cflag) - test_disk(fs, &bb_list); - - handle_bad_blocks(fs, bb_list); - fs->stride = fs_stride; - retval = ext2fs_allocate_tables(fs); - mke2fs_error_msg_and_die(retval, "allocate filesystem tables"); - if (super_only) { - fs->super->s_state |= EXT2_ERROR_FS; - fs->flags &= ~(EXT2_FLAG_IB_DIRTY|EXT2_FLAG_BB_DIRTY); - } else { - /* rsv must be a power of two (64kB is MD RAID sb alignment) */ - unsigned int rsv = 65536 / fs->blocksize; - unsigned long blocks = fs->super->s_blocks_count; - unsigned long start; - blk_t ret_blk; - -#ifdef ZAP_BOOTBLOCK - zap_sector(fs, 0, 2); -#endif - - /* - * Wipe out any old MD RAID (or other) metadata at the end - * of the device. This will also verify that the device is - * as large as we think. Be careful with very small devices. - */ - start = (blocks & ~(rsv - 1)); - if (start > rsv) - start -= rsv; - if (start > 0) - retval = zero_blocks(fs, start, blocks - start, - NULL, &ret_blk, NULL); - - mke2fs_warning_msg(retval, "cannot zero block %u at end of filesystem", ret_blk); - write_inode_tables(fs); - create_root_dir(fs); - create_lost_and_found(fs); - reserve_inodes(fs); - create_bad_block_inode(fs, bb_list); - if (fs->super->s_feature_compat & - EXT2_FEATURE_COMPAT_RESIZE_INODE) { - retval = ext2fs_create_resize_inode(fs); - mke2fs_error_msg_and_die(retval, "reserve blocks for online resize"); - } - } - - if (journal_device) { - make_journal_device(journal_device, fs, quiet, force); - } else if (journal_size) { - make_journal_blocks(fs, journal_size, journal_flags, quiet); - } - - mke2fs_verbose("Writing superblocks and filesystem accounting information: "); - retval = ext2fs_flush(fs); - mke2fs_warning_msg(retval, "had trouble writing out superblocks"); - mke2fs_verbose_done(); - if (!quiet && !getenv("MKE2FS_SKIP_CHECK_MSG")) - print_check_message(fs); - val = ext2fs_close(fs); - return (retval || val) ? 1 : 0; -} diff --git a/e2fsprogs/tune2fs.c b/e2fsprogs/tune2fs.c deleted file mode 100644 index a2ca1ba09..000000000 --- a/e2fsprogs/tune2fs.c +++ /dev/null @@ -1,729 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * tune2fs.c - Change the file system parameters on an ext2 file system - * - * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr> - * Laboratoire MASI, Institut Blaise Pascal - * Universite Pierre et Marie Curie (Paris VI) - * - * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -/* - * History: - * 93/06/01 - Creation - * 93/10/31 - Added the -c option to change the maximal mount counts - * 93/12/14 - Added -l flag to list contents of superblock - * M.J.E. Mol (marcel@duteca.et.tudelft.nl) - * F.W. ten Wolde (franky@duteca.et.tudelft.nl) - * 93/12/29 - Added the -e option to change errors behavior - * 94/02/27 - Ported to use the ext2fs library - * 94/03/06 - Added the checks interval from Uwe Ohse (uwe@tirka.gun.de) - */ - -#include <sys/types.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> -#include <getopt.h> - -#include "e2fsbb.h" -#include "ext2fs/ext2_fs.h" -#include "ext2fs/ext2fs.h" -#include "uuid/uuid.h" -#include "e2p/e2p.h" -#include "ext2fs/kernel-jbd.h" -#include "util.h" -#include "blkid/blkid.h" - -#include "busybox.h" - -static char * device_name = NULL; -static char * new_label, *new_last_mounted, *new_UUID; -static char * io_options; -static int c_flag, C_flag, e_flag, f_flag, g_flag, i_flag, l_flag, L_flag; -static int m_flag, M_flag, r_flag, s_flag = -1, u_flag, U_flag, T_flag; -static time_t last_check_time; -static int print_label; -static int max_mount_count, mount_count, mount_flags; -static unsigned long interval, reserved_blocks; -static unsigned reserved_ratio; -static unsigned long resgid, resuid; -static unsigned short errors; -static int open_flag; -static char *features_cmd; -static char *mntopts_cmd; - -static int journal_size, journal_flags; -static char *journal_device = NULL; - -static const char *please_fsck = "Please run e2fsck on the filesystem\n"; - -static __u32 ok_features[3] = { - EXT3_FEATURE_COMPAT_HAS_JOURNAL | EXT2_FEATURE_COMPAT_DIR_INDEX, - EXT2_FEATURE_INCOMPAT_FILETYPE, - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER -}; - -/* - * Remove an external journal from the filesystem - */ -static void remove_journal_device(ext2_filsys fs) -{ - char *journal_path; - ext2_filsys jfs; - char buf[1024]; - journal_superblock_t *jsb; - int i, nr_users; - errcode_t retval; - int commit_remove_journal = 0; - io_manager io_ptr; - - if (f_flag) - commit_remove_journal = 1; /* force removal even if error */ - - uuid_unparse(fs->super->s_journal_uuid, buf); - journal_path = blkid_get_devname(NULL, "UUID", buf); - - if (!journal_path) { - journal_path = - ext2fs_find_block_device(fs->super->s_journal_dev); - if (!journal_path) - return; - } - - io_ptr = unix_io_manager; - retval = ext2fs_open(journal_path, EXT2_FLAG_RW| - EXT2_FLAG_JOURNAL_DEV_OK, 0, - fs->blocksize, io_ptr, &jfs); - if (retval) { - bb_error_msg("Failed to open external journal"); - goto no_valid_journal; - } - if (!(jfs->super->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) { - bb_error_msg("%s is not a journal device", journal_path); - goto no_valid_journal; - } - - /* Get the journal superblock */ - if ((retval = io_channel_read_blk(jfs->io, 1, -1024, buf))) { - bb_error_msg("Failed to read journal superblock"); - goto no_valid_journal; - } - - jsb = (journal_superblock_t *) buf; - if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) || - (jsb->s_header.h_blocktype != (unsigned) ntohl(JFS_SUPERBLOCK_V2))) { - bb_error_msg("Journal superblock not found!"); - goto no_valid_journal; - } - - /* Find the filesystem UUID */ - nr_users = ntohl(jsb->s_nr_users); - for (i=0; i < nr_users; i++) { - if (memcmp(fs->super->s_uuid, - &jsb->s_users[i*16], 16) == 0) - break; - } - if (i >= nr_users) { - bb_error_msg("Filesystem's UUID not found on journal device"); - commit_remove_journal = 1; - goto no_valid_journal; - } - nr_users--; - for (i=0; i < nr_users; i++) - memcpy(&jsb->s_users[i*16], &jsb->s_users[(i+1)*16], 16); - jsb->s_nr_users = htonl(nr_users); - - /* Write back the journal superblock */ - if ((retval = io_channel_write_blk(jfs->io, 1, -1024, buf))) { - bb_error_msg("Failed to write journal superblock"); - goto no_valid_journal; - } - - commit_remove_journal = 1; - -no_valid_journal: - if (commit_remove_journal == 0) - bb_error_msg_and_die("Journal NOT removed"); - fs->super->s_journal_dev = 0; - uuid_clear(fs->super->s_journal_uuid); - ext2fs_mark_super_dirty(fs); - puts("Journal removed"); - free(journal_path); -} - -/* Helper function for remove_journal_inode */ -static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, - int blockcnt EXT2FS_ATTR((unused)), - void *private EXT2FS_ATTR((unused))) -{ - blk_t block; - int group; - - block = *blocknr; - ext2fs_unmark_block_bitmap(fs->block_map,block); - group = ext2fs_group_of_blk(fs, block); - fs->group_desc[group].bg_free_blocks_count++; - fs->super->s_free_blocks_count++; - return 0; -} - -/* - * Remove the journal inode from the filesystem - */ -static void remove_journal_inode(ext2_filsys fs) -{ - struct ext2_inode inode; - errcode_t retval; - ino_t ino = fs->super->s_journal_inum; - char *msg = "to read"; - char *s = "journal inode"; - - retval = ext2fs_read_inode(fs, ino, &inode); - if (retval) - goto REMOVE_JOURNAL_INODE_ERROR; - if (ino == EXT2_JOURNAL_INO) { - retval = ext2fs_read_bitmaps(fs); - if (retval) { - msg = "to read bitmaps"; - s = ""; - goto REMOVE_JOURNAL_INODE_ERROR; - } - retval = ext2fs_block_iterate(fs, ino, 0, NULL, - release_blocks_proc, NULL); - if (retval) { - msg = "clearing"; - goto REMOVE_JOURNAL_INODE_ERROR; - } - memset(&inode, 0, sizeof(inode)); - ext2fs_mark_bb_dirty(fs); - fs->flags &= ~EXT2_FLAG_SUPER_ONLY; - } else - inode.i_flags &= ~EXT2_IMMUTABLE_FL; - retval = ext2fs_write_inode(fs, ino, &inode); - if (retval) { - msg = "writing"; -REMOVE_JOURNAL_INODE_ERROR: - bb_error_msg_and_die("Failed %s %s", msg, s); - } - fs->super->s_journal_inum = 0; - ext2fs_mark_super_dirty(fs); -} - -/* - * Update the default mount options - */ -static void update_mntopts(ext2_filsys fs, char *mntopts) -{ - struct ext2_super_block *sb= fs->super; - - if (e2p_edit_mntopts(mntopts, &sb->s_default_mount_opts, ~0)) - bb_error_msg_and_die("Invalid mount option set: %s", mntopts); - ext2fs_mark_super_dirty(fs); -} - -/* - * Update the feature set as provided by the user. - */ -static void update_feature_set(ext2_filsys fs, char *features) -{ - int sparse, old_sparse, filetype, old_filetype; - int journal, old_journal, dxdir, old_dxdir; - struct ext2_super_block *sb= fs->super; - __u32 old_compat, old_incompat, old_ro_compat; - - old_compat = sb->s_feature_compat; - old_ro_compat = sb->s_feature_ro_compat; - old_incompat = sb->s_feature_incompat; - - old_sparse = sb->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - old_filetype = sb->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_FILETYPE; - old_journal = sb->s_feature_compat & - EXT3_FEATURE_COMPAT_HAS_JOURNAL; - old_dxdir = sb->s_feature_compat & - EXT2_FEATURE_COMPAT_DIR_INDEX; - if (e2p_edit_feature(features, &sb->s_feature_compat, ok_features)) - bb_error_msg_and_die("Invalid filesystem option set: %s", features); - sparse = sb->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - filetype = sb->s_feature_incompat & - EXT2_FEATURE_INCOMPAT_FILETYPE; - journal = sb->s_feature_compat & - EXT3_FEATURE_COMPAT_HAS_JOURNAL; - dxdir = sb->s_feature_compat & - EXT2_FEATURE_COMPAT_DIR_INDEX; - if (old_journal && !journal) { - if ((mount_flags & EXT2_MF_MOUNTED) && - !(mount_flags & EXT2_MF_READONLY)) { - bb_error_msg_and_die( - "The has_journal flag may only be " - "cleared when the filesystem is\n" - "unmounted or mounted " - "read-only"); - } - if (sb->s_feature_incompat & - EXT3_FEATURE_INCOMPAT_RECOVER) { - bb_error_msg_and_die( - "The needs_recovery flag is set. " - "%s before clearing the has_journal flag.", - please_fsck); - } - if (sb->s_journal_inum) { - remove_journal_inode(fs); - } - if (sb->s_journal_dev) { - remove_journal_device(fs); - } - } - if (journal && !old_journal) { - /* - * If adding a journal flag, let the create journal - * code below handle creating setting the flag and - * creating the journal. We supply a default size if - * necessary. - */ - if (!journal_size) - journal_size = -1; - sb->s_feature_compat &= ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; - } - if (dxdir && !old_dxdir) { - if (!sb->s_def_hash_version) - sb->s_def_hash_version = EXT2_HASH_TEA; - if (uuid_is_null((unsigned char *) sb->s_hash_seed)) - uuid_generate((unsigned char *) sb->s_hash_seed); - } - - if (sb->s_rev_level == EXT2_GOOD_OLD_REV && - (sb->s_feature_compat || sb->s_feature_ro_compat || - sb->s_feature_incompat)) - ext2fs_update_dynamic_rev(fs); - if ((sparse != old_sparse) || - (filetype != old_filetype)) { - sb->s_state &= ~EXT2_VALID_FS; - printf("\n%s\n", please_fsck); - } - if ((old_compat != sb->s_feature_compat) || - (old_ro_compat != sb->s_feature_ro_compat) || - (old_incompat != sb->s_feature_incompat)) - ext2fs_mark_super_dirty(fs); -} - -/* - * Add a journal to the filesystem. - */ -static void add_journal(ext2_filsys fs) -{ - if (fs->super->s_feature_compat & - EXT3_FEATURE_COMPAT_HAS_JOURNAL) { - bb_error_msg_and_die("The filesystem already has a journal"); - } - if (journal_device) { - make_journal_device(journal_device, fs, 0, 0); - } else if (journal_size) { - make_journal_blocks(fs, journal_size, journal_flags, 0); - /* - * If the filesystem wasn't mounted, we need to force - * the block group descriptors out. - */ - if ((mount_flags & EXT2_MF_MOUNTED) == 0) - fs->flags &= ~EXT2_FLAG_SUPER_ONLY; - } - print_check_message(fs); - return; -} - -/* - * Busybox stuff - */ -static char * x_blkid_get_devname(const char *token) -{ - char * dev_name; - - if (!(dev_name = blkid_get_devname(NULL, token, NULL))) - bb_error_msg_and_die("Unable to resolve '%s'", token); - return dev_name; -} - -#ifdef CONFIG_E2LABEL -static void parse_e2label_options(int argc, char ** argv) -{ - if ((argc < 2) || (argc > 3)) - bb_show_usage(); - io_options = strchr(argv[1], '?'); - if (io_options) - *io_options++ = 0; - device_name = x_blkid_get_devname(argv[1]); - if (argc == 3) { - open_flag = EXT2_FLAG_RW | EXT2_FLAG_JOURNAL_DEV_OK; - L_flag = 1; - new_label = argv[2]; - } else - print_label++; -} -#else -#define parse_e2label_options(x,y) -#endif - -static time_t parse_time(char *str) -{ - struct tm ts; - - if (strcmp(str, "now") == 0) { - return time(0); - } - memset(&ts, 0, sizeof(ts)); -#ifdef HAVE_STRPTIME - strptime(str, "%Y%m%d%H%M%S", &ts); -#else - sscanf(str, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon, - &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec); - ts.tm_year -= 1900; - ts.tm_mon -= 1; - if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 || - ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 || - ts.tm_min > 59 || ts.tm_sec > 61) - ts.tm_mday = 0; -#endif - if (ts.tm_mday == 0) { - bb_error_msg_and_die("Cannot parse date/time specifier: %s", str); - } - return mktime(&ts); -} - -static void parse_tune2fs_options(int argc, char **argv) -{ - int c; - char * tmp; - - printf("tune2fs %s (%s)\n", E2FSPROGS_VERSION, E2FSPROGS_DATE); - while ((c = getopt(argc, argv, "c:e:fg:i:jlm:o:r:s:u:C:J:L:M:O:T:U:")) != EOF) - switch (c) - { - case 'c': - max_mount_count = xatou_range(optarg, 0, 16000); - if (max_mount_count == 0) - max_mount_count = -1; - c_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'C': - mount_count = xatou_range(optarg, 0, 16000); - C_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'e': - if (strcmp (optarg, "continue") == 0) - errors = EXT2_ERRORS_CONTINUE; - else if (strcmp (optarg, "remount-ro") == 0) - errors = EXT2_ERRORS_RO; - else if (strcmp (optarg, "panic") == 0) - errors = EXT2_ERRORS_PANIC; - else { - bb_error_msg_and_die("bad error behavior - %s", optarg); - } - e_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'f': /* Force */ - f_flag = 1; - break; - case 'g': - resgid = bb_strtoul(optarg, NULL, 10); - if (errno) - resgid = bb_xgetgrnam(optarg); - g_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'i': - interval = strtoul(optarg, &tmp, 0); - switch (*tmp) { - case 's': - tmp++; - break; - case '\0': - case 'd': - case 'D': /* days */ - interval *= 86400; - if (*tmp != '\0') - tmp++; - break; - case 'm': - case 'M': /* months! */ - interval *= 86400 * 30; - tmp++; - break; - case 'w': - case 'W': /* weeks */ - interval *= 86400 * 7; - tmp++; - break; - } - if (*tmp || interval > (365 * 86400)) { - bb_error_msg_and_die("bad interval - %s", optarg); - } - i_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'j': - if (!journal_size) - journal_size = -1; - open_flag = EXT2_FLAG_RW; - break; - case 'J': - parse_journal_opts(&journal_device, &journal_flags, &journal_size, optarg); - open_flag = EXT2_FLAG_RW; - break; - case 'l': - l_flag = 1; - break; - case 'L': - new_label = optarg; - L_flag = 1; - open_flag = EXT2_FLAG_RW | - EXT2_FLAG_JOURNAL_DEV_OK; - break; - case 'm': - reserved_ratio = xatou_range(optarg, 0, 50); - m_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'M': - new_last_mounted = optarg; - M_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'o': - if (mntopts_cmd) { - bb_error_msg_and_die("-o may only be specified once"); - } - mntopts_cmd = optarg; - open_flag = EXT2_FLAG_RW; - break; - - case 'O': - if (features_cmd) { - bb_error_msg_and_die("-O may only be specified once"); - } - features_cmd = optarg; - open_flag = EXT2_FLAG_RW; - break; - case 'r': - reserved_blocks = xatoul(optarg); - r_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 's': - s_flag = atoi(optarg); - open_flag = EXT2_FLAG_RW; - break; - case 'T': - T_flag = 1; - last_check_time = parse_time(optarg); - open_flag = EXT2_FLAG_RW; - break; - case 'u': - resuid = bb_strtoul(optarg, NULL, 10); - if (errno) - resuid = bb_xgetpwnam(optarg); - u_flag = 1; - open_flag = EXT2_FLAG_RW; - break; - case 'U': - new_UUID = optarg; - U_flag = 1; - open_flag = EXT2_FLAG_RW | - EXT2_FLAG_JOURNAL_DEV_OK; - break; - default: - bb_show_usage(); - } - if (optind < argc - 1 || optind == argc) - bb_show_usage(); - if (!open_flag && !l_flag) - bb_show_usage(); - io_options = strchr(argv[optind], '?'); - if (io_options) - *io_options++ = 0; - device_name = x_blkid_get_devname(argv[optind]); -} - -#ifdef CONFIG_FINDFS -static ATTRIBUTE_NORETURN void do_findfs(int argc, char **argv) -{ - if ((argc != 2) || - (strncmp(argv[1], "LABEL=", 6) && strncmp(argv[1], "UUID=", 5))) - bb_show_usage(); - device_name = x_blkid_get_devname(argv[1]); - puts(device_name); - exit(0); -} -#else -#define do_findfs(x, y) -#endif - -static void tune2fs_clean_up(void) -{ - if (ENABLE_FEATURE_CLEAN_UP && device_name) free(device_name); - if (ENABLE_FEATURE_CLEAN_UP && journal_device) free(journal_device); -} - -int tune2fs_main(int argc, char **argv) -{ - errcode_t retval; - ext2_filsys fs; - struct ext2_super_block *sb; - io_manager io_ptr; - - if (ENABLE_FEATURE_CLEAN_UP) - atexit(tune2fs_clean_up); - - if (ENABLE_FINDFS && (applet_name[0] == 'f')) /* findfs */ - do_findfs(argc, argv); /* no return */ - else if (ENABLE_E2LABEL && (applet_name[0] == 'e')) /* e2label */ - parse_e2label_options(argc, argv); - else - parse_tune2fs_options(argc, argv); /* tune2fs */ - - io_ptr = unix_io_manager; - retval = ext2fs_open2(device_name, io_options, open_flag, - 0, 0, io_ptr, &fs); - if (retval) - bb_error_msg_and_die("No valid superblock on %s", device_name); - sb = fs->super; - if (print_label) { - /* For e2label emulation */ - printf("%.*s\n", (int) sizeof(sb->s_volume_name), - sb->s_volume_name); - return 0; - } - retval = ext2fs_check_if_mounted(device_name, &mount_flags); - if (retval) - bb_error_msg_and_die("cannot determine if %s is mounted", device_name); - /* Normally we only need to write out the superblock */ - fs->flags |= EXT2_FLAG_SUPER_ONLY; - - if (c_flag) { - sb->s_max_mnt_count = max_mount_count; - ext2fs_mark_super_dirty(fs); - printf("Setting maximal mount count to %d\n", max_mount_count); - } - if (C_flag) { - sb->s_mnt_count = mount_count; - ext2fs_mark_super_dirty(fs); - printf("Setting current mount count to %d\n", mount_count); - } - if (e_flag) { - sb->s_errors = errors; - ext2fs_mark_super_dirty(fs); - printf("Setting error behavior to %d\n", errors); - } - if (g_flag) { - sb->s_def_resgid = resgid; - ext2fs_mark_super_dirty(fs); - printf("Setting reserved blocks gid to %lu\n", resgid); - } - if (i_flag) { - sb->s_checkinterval = interval; - ext2fs_mark_super_dirty(fs); - printf("Setting interval between check %lu seconds\n", interval); - } - if (m_flag) { - sb->s_r_blocks_count = (sb->s_blocks_count / 100) - * reserved_ratio; - ext2fs_mark_super_dirty(fs); - printf("Setting reserved blocks percentage to %u (%u blocks)\n", - reserved_ratio, sb->s_r_blocks_count); - } - if (r_flag) { - if (reserved_blocks >= sb->s_blocks_count/2) - bb_error_msg_and_die("reserved blocks count is too big (%lu)", reserved_blocks); - sb->s_r_blocks_count = reserved_blocks; - ext2fs_mark_super_dirty(fs); - printf("Setting reserved blocks count to %lu\n", reserved_blocks); - } - if (s_flag == 1) { - if (sb->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER) - bb_error_msg("\nThe filesystem already has sparse superblocks"); - else { - sb->s_feature_ro_compat |= - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - sb->s_state &= ~EXT2_VALID_FS; - ext2fs_mark_super_dirty(fs); - printf("\nSparse superblock flag set. %s", please_fsck); - } - } - if (s_flag == 0) { - if (!(sb->s_feature_ro_compat & - EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) - bb_error_msg("\nThe filesystem already has sparse superblocks disabled"); - else { - sb->s_feature_ro_compat &= - ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; - sb->s_state &= ~EXT2_VALID_FS; - fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; - ext2fs_mark_super_dirty(fs); - printf("\nSparse superblock flag cleared. %s", please_fsck); - } - } - if (T_flag) { - sb->s_lastcheck = last_check_time; - ext2fs_mark_super_dirty(fs); - printf("Setting time filesystem last checked to %s\n", - ctime(&last_check_time)); - } - if (u_flag) { - sb->s_def_resuid = resuid; - ext2fs_mark_super_dirty(fs); - printf("Setting reserved blocks uid to %lu\n", resuid); - } - if (L_flag) { - if (strlen(new_label) > sizeof(sb->s_volume_name)) - bb_error_msg("Warning: label too long, truncating"); - memset(sb->s_volume_name, 0, sizeof(sb->s_volume_name)); - safe_strncpy(sb->s_volume_name, new_label, - sizeof(sb->s_volume_name)); - ext2fs_mark_super_dirty(fs); - } - if (M_flag) { - memset(sb->s_last_mounted, 0, sizeof(sb->s_last_mounted)); - safe_strncpy(sb->s_last_mounted, new_last_mounted, - sizeof(sb->s_last_mounted)); - ext2fs_mark_super_dirty(fs); - } - if (mntopts_cmd) - update_mntopts(fs, mntopts_cmd); - if (features_cmd) - update_feature_set(fs, features_cmd); - if (journal_size || journal_device) - add_journal(fs); - - if (U_flag) { - if ((strcasecmp(new_UUID, "null") == 0) || - (strcasecmp(new_UUID, "clear") == 0)) { - uuid_clear(sb->s_uuid); - } else if (strcasecmp(new_UUID, "time") == 0) { - uuid_generate_time(sb->s_uuid); - } else if (strcasecmp(new_UUID, "random") == 0) { - uuid_generate(sb->s_uuid); - } else if (uuid_parse(new_UUID, sb->s_uuid)) { - bb_error_msg_and_die("Invalid UUID format"); - } - ext2fs_mark_super_dirty(fs); - } - - if (l_flag) - list_super (sb); - return (ext2fs_close (fs) ? 1 : 0); -} diff --git a/e2fsprogs/util.c b/e2fsprogs/util.c deleted file mode 100644 index b30c294b8..000000000 --- a/e2fsprogs/util.c +++ /dev/null @@ -1,267 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * util.c --- helper functions used by tune2fs and mke2fs - * - * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <linux/major.h> -#include <sys/stat.h> - -#include "e2fsbb.h" -#include "e2p/e2p.h" -#include "ext2fs/ext2_fs.h" -#include "ext2fs/ext2fs.h" -#include "blkid/blkid.h" -#include "util.h" - -void proceed_question(void) -{ - fputs("Proceed anyway? (y,n) ", stdout); - if (bb_ask_confirmation() == 0) - exit(1); -} - -void check_plausibility(const char *device, int force) -{ - int val; - struct stat s; - val = stat(device, &s); - if (force) - return; - if(val == -1) - bb_perror_msg_and_die("cannot stat %s", device); - if (!S_ISBLK(s.st_mode)) { - printf("%s is not a block special device.\n", device); - proceed_question(); - return; - } - -#ifdef HAVE_LINUX_MAJOR_H -#ifndef MAJOR -#define MAJOR(dev) ((dev)>>8) -#define MINOR(dev) ((dev) & 0xff) -#endif -#ifndef SCSI_BLK_MAJOR -#ifdef SCSI_DISK0_MAJOR -#ifdef SCSI_DISK8_MAJOR -#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \ - ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) || \ - ((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR)) -#else -#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \ - ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR)) -#endif /* defined(SCSI_DISK8_MAJOR) */ -#define SCSI_BLK_MAJOR(M) (SCSI_DISK_MAJOR((M)) || (M) == SCSI_CDROM_MAJOR) -#else -#define SCSI_BLK_MAJOR(M) ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR) -#endif /* defined(SCSI_DISK0_MAJOR) */ -#endif /* defined(SCSI_BLK_MAJOR) */ - if (((MAJOR(s.st_rdev) == HD_MAJOR && - MINOR(s.st_rdev)%64 == 0) || - (SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) && - MINOR(s.st_rdev)%16 == 0))) { - printf("%s is entire device, not just one partition!\n", device); - proceed_question(); - } -#endif -} - -void check_mount(const char *device, int force, const char *type) -{ - errcode_t retval; - int mount_flags; - - retval = ext2fs_check_if_mounted(device, &mount_flags); - if (retval) { - bb_error_msg("cannot determine if %s is mounted", device); - return; - } - if (mount_flags & EXT2_MF_MOUNTED) { - bb_error_msg("%s is mounted !", device); -force_check: - if (force) - bb_error_msg("badblocks forced anyways"); - else - bb_error_msg_and_die("it's not safe to run badblocks!"); - } - - if (mount_flags & EXT2_MF_BUSY) { - bb_error_msg("%s is apparently in use by the system", device); - goto force_check; - } - -} - -void parse_journal_opts(char **journal_device, int *journal_flags, - int *journal_size, const char *opts) -{ - char *buf, *token, *next, *p, *arg; - int journal_usage = 0; - buf = xstrdup(opts); - for (token = buf; token && *token; token = next) { - p = strchr(token, ','); - next = 0; - if (p) { - *p = 0; - next = p+1; - } - arg = strchr(token, '='); - if (arg) { - *arg = 0; - arg++; - } - if (strcmp(token, "device") == 0) { - *journal_device = blkid_get_devname(NULL, arg, NULL); - if (!journal_device) { - journal_usage++; - continue; - } - } else if (strcmp(token, "size") == 0) { - if (!arg) { - journal_usage++; - continue; - } - (*journal_size) = strtoul(arg, &p, 0); - if (*p) - journal_usage++; - } else if (strcmp(token, "v1_superblock") == 0) { - (*journal_flags) |= EXT2_MKJOURNAL_V1_SUPER; - continue; - } else - journal_usage++; - } - if (journal_usage) - bb_error_msg_and_die( - "\nBad journal options specified.\n\n" - "Journal options are separated by commas, " - "and may take an argument which\n" - "\tis set off by an equals ('=') sign.\n\n" - "Valid journal options are:\n" - "\tsize=<journal size in megabytes>\n" - "\tdevice=<journal device>\n\n" - "The journal size must be between " - "1024 and 102400 filesystem blocks.\n\n"); -} - -/* - * Determine the number of journal blocks to use, either via - * user-specified # of megabytes, or via some intelligently selected - * defaults. - * - * Find a reasonable journal file size (in blocks) given the number of blocks - * in the filesystem. For very small filesystems, it is not reasonable to - * have a journal that fills more than half of the filesystem. - */ -int figure_journal_size(int size, ext2_filsys fs) -{ - blk_t j_blocks; - - if (fs->super->s_blocks_count < 2048) { - bb_error_msg("Filesystem too small for a journal"); - return 0; - } - - if (size >= 0) { - j_blocks = size * 1024 / (fs->blocksize / 1024); - if (j_blocks < 1024 || j_blocks > 102400) - bb_error_msg_and_die("\nThe requested journal " - "size is %d blocks;\n it must be " - "between 1024 and 102400 blocks; Aborting", - j_blocks); - if (j_blocks > fs->super->s_free_blocks_count) - bb_error_msg_and_die("Journal size too big for filesystem"); - return j_blocks; - } - - if (fs->super->s_blocks_count < 32768) - j_blocks = 1024; - else if (fs->super->s_blocks_count < 256*1024) - j_blocks = 4096; - else if (fs->super->s_blocks_count < 512*1024) - j_blocks = 8192; - else if (fs->super->s_blocks_count < 1024*1024) - j_blocks = 16384; - else - j_blocks = 32768; - - return j_blocks; -} - -void print_check_message(ext2_filsys fs) -{ - printf("This filesystem will be automatically " - "checked every %d mounts or\n" - "%g days, whichever comes first. " - "Use tune2fs -c or -i to override.\n", - fs->super->s_max_mnt_count, - (double)fs->super->s_checkinterval / (3600 * 24)); -} - -void make_journal_device(char *journal_device, ext2_filsys fs, int quiet, int force) -{ - errcode_t retval; - ext2_filsys jfs; - io_manager io_ptr; - - check_plausibility(journal_device, force); - check_mount(journal_device, force, "journal"); - io_ptr = unix_io_manager; - retval = ext2fs_open(journal_device, EXT2_FLAG_RW| - EXT2_FLAG_JOURNAL_DEV_OK, 0, - fs->blocksize, io_ptr, &jfs); - if (retval) - bb_error_msg_and_die("cannot journal device %s", journal_device); - if(!quiet) - printf("Adding journal to device %s: ", journal_device); - fflush(stdout); - retval = ext2fs_add_journal_device(fs, jfs); - if(retval) - bb_error_msg_and_die("\nFailed to add journal to device %s", journal_device); - if(!quiet) - puts("done"); - ext2fs_close(jfs); -} - -void make_journal_blocks(ext2_filsys fs, int journal_size, int journal_flags, int quiet) -{ - unsigned long journal_blocks; - errcode_t retval; - - journal_blocks = figure_journal_size(journal_size, fs); - if (!journal_blocks) { - fs->super->s_feature_compat &= - ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; - return; - } - if(!quiet) - printf("Creating journal (%ld blocks): ", journal_blocks); - fflush(stdout); - retval = ext2fs_add_journal_inode(fs, journal_blocks, - journal_flags); - if(retval) - bb_error_msg_and_die("cannot create journal"); - if(!quiet) - puts("done"); -} - -char *e2fs_set_sbin_path(void) -{ - char *oldpath = getenv("PATH"); - /* Update our PATH to include /sbin */ -#define PATH_SET "/sbin" - if (oldpath) - oldpath = xasprintf("%s:%s", PATH_SET, oldpath); - else - oldpath = PATH_SET; - putenv (oldpath); - return oldpath; -} diff --git a/e2fsprogs/util.h b/e2fsprogs/util.h deleted file mode 100644 index 80d241718..000000000 --- a/e2fsprogs/util.h +++ /dev/null @@ -1,22 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * util.h --- header file defining prototypes for helper functions - * used by tune2fs and mke2fs - * - * Copyright 2000 by Theodore Ts'o. - * - * %Begin-Header% - * This file may be redistributed under the terms of the GNU Public - * License. - * %End-Header% - */ - -extern void proceed_question(void); -extern void check_plausibility(const char *device, int force); -extern void parse_journal_opts(char **, int *, int *, const char *opts); -extern void check_mount(const char *device, int force, const char *type); -extern int figure_journal_size(int size, ext2_filsys fs); -extern void print_check_message(ext2_filsys fs); -extern void make_journal_device(char *journal_device, ext2_filsys fs, int quiet, int force); -extern void make_journal_blocks(ext2_filsys fs, int journal_size, int journal_flags, int quiet); -extern char *e2fs_set_sbin_path(void); diff --git a/e2fsprogs/uuid/Kbuild b/e2fsprogs/uuid/Kbuild deleted file mode 100644 index dde981840..000000000 --- a/e2fsprogs/uuid/Kbuild +++ /dev/null @@ -1,14 +0,0 @@ -# Makefile for busybox -# -# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> -# -# Licensed under the GPL v2, see the file LICENSE in this tarball. - -NEEDED-$(CONFIG_E2FSCK) = y -NEEDED-$(CONFIG_FSCK) = y -NEEDED-$(CONFIG_MKE2FS) = y -NEEDED-$(CONFIG_TUNE2FS) = y - -lib-y:= -lib-$(NEEDED-y) += compare.o gen_uuid.o pack.o parse.o unpack.o unparse.o \ - uuid_time.o diff --git a/e2fsprogs/uuid/compare.c b/e2fsprogs/uuid/compare.c deleted file mode 100644 index 348ea7c1f..000000000 --- a/e2fsprogs/uuid/compare.c +++ /dev/null @@ -1,55 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * compare.c --- compare whether or not two UUID's are the same - * - * Returns 0 if the two UUID's are different, and 1 if they are the same. - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include "uuidP.h" -#include <string.h> - -#define UUCMP(u1,u2) if (u1 != u2) return (u1 < u2) ? -1 : 1; - -int uuid_compare(const uuid_t uu1, const uuid_t uu2) -{ - struct uuid uuid1, uuid2; - - uuid_unpack(uu1, &uuid1); - uuid_unpack(uu2, &uuid2); - - UUCMP(uuid1.time_low, uuid2.time_low); - UUCMP(uuid1.time_mid, uuid2.time_mid); - UUCMP(uuid1.time_hi_and_version, uuid2.time_hi_and_version); - UUCMP(uuid1.clock_seq, uuid2.clock_seq); - return memcmp(uuid1.node, uuid2.node, 6); -} diff --git a/e2fsprogs/uuid/gen_uuid.c b/e2fsprogs/uuid/gen_uuid.c deleted file mode 100644 index 9d700a015..000000000 --- a/e2fsprogs/uuid/gen_uuid.c +++ /dev/null @@ -1,305 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * gen_uuid.c --- generate a DCE-compatible uuid - * - * Copyright (C) 1996, 1997, 1998, 1999 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <unistd.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/file.h> -#include <sys/time.h> -#ifdef HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> -#endif -#include <sys/socket.h> -#ifdef HAVE_SYS_SOCKIO_H -#include <sys/sockio.h> -#endif -#ifdef HAVE_NET_IF_H -#include <net/if.h> -#endif -#ifdef HAVE_NETINET_IN_H -#include <netinet/in.h> -#endif -#ifdef HAVE_NET_IF_DL_H -#include <net/if_dl.h> -#endif - -#include "uuidP.h" - -#ifdef HAVE_SRANDOM -#define srand(x) srandom(x) -#define rand() random() -#endif - -static int get_random_fd(void) -{ - struct timeval tv; - static int fd = -2; - int i; - - if (fd == -2) { - gettimeofday(&tv, 0); - fd = open("/dev/urandom", O_RDONLY); - if (fd == -1) - fd = open("/dev/random", O_RDONLY | O_NONBLOCK); - srand((getpid() << 16) ^ getuid() ^ tv.tv_sec ^ tv.tv_usec); - } - /* Crank the random number generator a few times */ - gettimeofday(&tv, 0); - for (i = (tv.tv_sec ^ tv.tv_usec) & 0x1F; i > 0; i--) - rand(); - return fd; -} - - -/* - * Generate a series of random bytes. Use /dev/urandom if possible, - * and if not, use srandom/random. - */ -static void get_random_bytes(void *buf, int nbytes) -{ - int i, n = nbytes, fd = get_random_fd(); - int lose_counter = 0; - unsigned char *cp = (unsigned char *) buf; - - if (fd >= 0) { - while (n > 0) { - i = read(fd, cp, n); - if (i <= 0) { - if (lose_counter++ > 16) - break; - continue; - } - n -= i; - cp += i; - lose_counter = 0; - } - } - - /* - * We do this all the time, but this is the only source of - * randomness if /dev/random/urandom is out to lunch. - */ - for (cp = buf, i = 0; i < nbytes; i++) - *cp++ ^= (rand() >> 7) & 0xFF; - return; -} - -/* - * Get the ethernet hardware address, if we can find it... - */ -static int get_node_id(unsigned char *node_id) -{ -#ifdef HAVE_NET_IF_H - int sd; - struct ifreq ifr, *ifrp; - struct ifconf ifc; - char buf[1024]; - int n, i; - unsigned char *a; -#ifdef HAVE_NET_IF_DL_H - struct sockaddr_dl *sdlp; -#endif - -/* - * BSD 4.4 defines the size of an ifreq to be - * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len - * However, under earlier systems, sa_len isn't present, so the size is - * just sizeof(struct ifreq) - */ -#ifdef HAVE_SA_LEN -#ifndef max -#define max(a,b) ((a) > (b) ? (a) : (b)) -#endif -#define ifreq_size(i) max(sizeof(struct ifreq),\ - sizeof((i).ifr_name)+(i).ifr_addr.sa_len) -#else -#define ifreq_size(i) sizeof(struct ifreq) -#endif /* HAVE_SA_LEN*/ - - sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); - if (sd < 0) { - return -1; - } - memset(buf, 0, sizeof(buf)); - ifc.ifc_len = sizeof(buf); - ifc.ifc_buf = buf; - if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) { - close(sd); - return -1; - } - n = ifc.ifc_len; - for (i = 0; i < n; i+= ifreq_size(*ifrp) ) { - ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i); - strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ); -#ifdef SIOCGIFHWADDR - if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0) - continue; - a = (unsigned char *) &ifr.ifr_hwaddr.sa_data; -#else -#ifdef SIOCGENADDR - if (ioctl(sd, SIOCGENADDR, &ifr) < 0) - continue; - a = (unsigned char *) ifr.ifr_enaddr; -#else -#ifdef HAVE_NET_IF_DL_H - sdlp = (struct sockaddr_dl *) &ifrp->ifr_addr; - if ((sdlp->sdl_family != AF_LINK) || (sdlp->sdl_alen != 6)) - continue; - a = (unsigned char *) &sdlp->sdl_data[sdlp->sdl_nlen]; -#else - /* - * XXX we don't have a way of getting the hardware - * address - */ - close(sd); - return 0; -#endif /* HAVE_NET_IF_DL_H */ -#endif /* SIOCGENADDR */ -#endif /* SIOCGIFHWADDR */ - if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) - continue; - if (node_id) { - memcpy(node_id, a, 6); - close(sd); - return 1; - } - } - close(sd); -#endif - return 0; -} - -/* Assume that the gettimeofday() has microsecond granularity */ -#define MAX_ADJUSTMENT 10 - -static int get_clock(uint32_t *clock_high, uint32_t *clock_low, uint16_t *ret_clock_seq) -{ - static int adjustment = 0; - static struct timeval last = {0, 0}; - static uint16_t clock_seq; - struct timeval tv; - unsigned long long clock_reg; - -try_again: - gettimeofday(&tv, 0); - if ((last.tv_sec == 0) && (last.tv_usec == 0)) { - get_random_bytes(&clock_seq, sizeof(clock_seq)); - clock_seq &= 0x3FFF; - last = tv; - last.tv_sec--; - } - if ((tv.tv_sec < last.tv_sec) || - ((tv.tv_sec == last.tv_sec) && - (tv.tv_usec < last.tv_usec))) { - clock_seq = (clock_seq+1) & 0x3FFF; - adjustment = 0; - last = tv; - } else if ((tv.tv_sec == last.tv_sec) && - (tv.tv_usec == last.tv_usec)) { - if (adjustment >= MAX_ADJUSTMENT) - goto try_again; - adjustment++; - } else { - adjustment = 0; - last = tv; - } - - clock_reg = tv.tv_usec*10 + adjustment; - clock_reg += ((unsigned long long) tv.tv_sec)*10000000; - clock_reg += (((unsigned long long) 0x01B21DD2) << 32) + 0x13814000; - - *clock_high = clock_reg >> 32; - *clock_low = clock_reg; - *ret_clock_seq = clock_seq; - return 0; -} - -void uuid_generate_time(uuid_t out) -{ - static unsigned char node_id[6]; - static int has_init = 0; - struct uuid uu; - uint32_t clock_mid; - - if (!has_init) { - if (get_node_id(node_id) <= 0) { - get_random_bytes(node_id, 6); - /* - * Set multicast bit, to prevent conflicts - * with IEEE 802 addresses obtained from - * network cards - */ - node_id[0] |= 0x01; - } - has_init = 1; - } - get_clock(&clock_mid, &uu.time_low, &uu.clock_seq); - uu.clock_seq |= 0x8000; - uu.time_mid = (uint16_t) clock_mid; - uu.time_hi_and_version = ((clock_mid >> 16) & 0x0FFF) | 0x1000; - memcpy(uu.node, node_id, 6); - uuid_pack(&uu, out); -} - -void uuid_generate_random(uuid_t out) -{ - uuid_t buf; - struct uuid uu; - - get_random_bytes(buf, sizeof(buf)); - uuid_unpack(buf, &uu); - - uu.clock_seq = (uu.clock_seq & 0x3FFF) | 0x8000; - uu.time_hi_and_version = (uu.time_hi_and_version & 0x0FFF) | 0x4000; - uuid_pack(&uu, out); -} - -/* - * This is the generic front-end to uuid_generate_random and - * uuid_generate_time. It uses uuid_generate_random only if - * /dev/urandom is available, since otherwise we won't have - * high-quality randomness. - */ -void uuid_generate(uuid_t out) -{ - if (get_random_fd() >= 0) - uuid_generate_random(out); - else - uuid_generate_time(out); -} diff --git a/e2fsprogs/uuid/pack.c b/e2fsprogs/uuid/pack.c deleted file mode 100644 index 217cfce5d..000000000 --- a/e2fsprogs/uuid/pack.c +++ /dev/null @@ -1,69 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Internal routine for packing UUID's - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <string.h> -#include "uuidP.h" - -void uuid_pack(const struct uuid *uu, uuid_t ptr) -{ - uint32_t tmp; - unsigned char *out = ptr; - - tmp = uu->time_low; - out[3] = (unsigned char) tmp; - tmp >>= 8; - out[2] = (unsigned char) tmp; - tmp >>= 8; - out[1] = (unsigned char) tmp; - tmp >>= 8; - out[0] = (unsigned char) tmp; - - tmp = uu->time_mid; - out[5] = (unsigned char) tmp; - tmp >>= 8; - out[4] = (unsigned char) tmp; - - tmp = uu->time_hi_and_version; - out[7] = (unsigned char) tmp; - tmp >>= 8; - out[6] = (unsigned char) tmp; - - tmp = uu->clock_seq; - out[9] = (unsigned char) tmp; - tmp >>= 8; - out[8] = (unsigned char) tmp; - - memcpy(out+10, uu->node, 6); -} diff --git a/e2fsprogs/uuid/parse.c b/e2fsprogs/uuid/parse.c deleted file mode 100644 index 9a3f9cb92..000000000 --- a/e2fsprogs/uuid/parse.c +++ /dev/null @@ -1,80 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * parse.c --- UUID parsing - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <stdlib.h> -#include <stdio.h> -#include <ctype.h> -#include <string.h> - -#include "uuidP.h" - -int uuid_parse(const char *in, uuid_t uu) -{ - struct uuid uuid; - int i; - const char *cp; - char buf[3]; - - if (strlen(in) != 36) - return -1; - for (i=0, cp = in; i <= 36; i++,cp++) { - if ((i == 8) || (i == 13) || (i == 18) || - (i == 23)) { - if (*cp == '-') - continue; - else - return -1; - } - if (i== 36) - if (*cp == 0) - continue; - if (!isxdigit(*cp)) - return -1; - } - uuid.time_low = strtoul(in, NULL, 16); - uuid.time_mid = strtoul(in+9, NULL, 16); - uuid.time_hi_and_version = strtoul(in+14, NULL, 16); - uuid.clock_seq = strtoul(in+19, NULL, 16); - cp = in+24; - buf[2] = 0; - for (i=0; i < 6; i++) { - buf[0] = *cp++; - buf[1] = *cp++; - uuid.node[i] = strtoul(buf, NULL, 16); - } - - uuid_pack(&uuid, uu); - return 0; -} diff --git a/e2fsprogs/uuid/unpack.c b/e2fsprogs/uuid/unpack.c deleted file mode 100644 index 95d3aab4a..000000000 --- a/e2fsprogs/uuid/unpack.c +++ /dev/null @@ -1,63 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Internal routine for unpacking UUID - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <string.h> -#include "uuidP.h" - -void uuid_unpack(const uuid_t in, struct uuid *uu) -{ - const uint8_t *ptr = in; - uint32_t tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - tmp = (tmp << 8) | *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->time_low = tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->time_mid = tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->time_hi_and_version = tmp; - - tmp = *ptr++; - tmp = (tmp << 8) | *ptr++; - uu->clock_seq = tmp; - - memcpy(uu->node, ptr, 6); -} diff --git a/e2fsprogs/uuid/unparse.c b/e2fsprogs/uuid/unparse.c deleted file mode 100644 index d2948fe6d..000000000 --- a/e2fsprogs/uuid/unparse.c +++ /dev/null @@ -1,77 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * unparse.c -- convert a UUID to string - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <stdio.h> - -#include "uuidP.h" - -static const char *fmt_lower = - "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x"; - -static const char *fmt_upper = - "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X"; - -#ifdef UUID_UNPARSE_DEFAULT_UPPER -#define FMT_DEFAULT fmt_upper -#else -#define FMT_DEFAULT fmt_lower -#endif - -static void uuid_unparse_x(const uuid_t uu, char *out, const char *fmt) -{ - struct uuid uuid; - - uuid_unpack(uu, &uuid); - sprintf(out, fmt, - uuid.time_low, uuid.time_mid, uuid.time_hi_and_version, - uuid.clock_seq >> 8, uuid.clock_seq & 0xFF, - uuid.node[0], uuid.node[1], uuid.node[2], - uuid.node[3], uuid.node[4], uuid.node[5]); -} - -void uuid_unparse_lower(const uuid_t uu, char *out) -{ - uuid_unparse_x(uu, out, fmt_lower); -} - -void uuid_unparse_upper(const uuid_t uu, char *out) -{ - uuid_unparse_x(uu, out, fmt_upper); -} - -void uuid_unparse(const uuid_t uu, char *out) -{ - uuid_unparse_x(uu, out, FMT_DEFAULT); -} diff --git a/e2fsprogs/uuid/uuid.h b/e2fsprogs/uuid/uuid.h deleted file mode 100644 index bd53b15d0..000000000 --- a/e2fsprogs/uuid/uuid.h +++ /dev/null @@ -1,104 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Public include file for the UUID library - * - * Copyright (C) 1996, 1997, 1998 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#ifndef _UUID_UUID_H -#define _UUID_UUID_H - -#include <sys/types.h> -#include <time.h> - -typedef unsigned char uuid_t[16]; - -/* UUID Variant definitions */ -#define UUID_VARIANT_NCS 0 -#define UUID_VARIANT_DCE 1 -#define UUID_VARIANT_MICROSOFT 2 -#define UUID_VARIANT_OTHER 3 - -/* UUID Type definitions */ -#define UUID_TYPE_DCE_TIME 1 -#define UUID_TYPE_DCE_RANDOM 4 - -/* Allow UUID constants to be defined */ -#ifdef __GNUC__ -#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \ - static const uuid_t name ATTRIBUTE_UNUSED = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15} -#else -#define UUID_DEFINE(name,u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15) \ - static const uuid_t name = {u0,u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,u11,u12,u13,u14,u15} -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* clear.c */ -/*void uuid_clear(uuid_t uu);*/ -#define uuid_clear(uu) memset(uu, 0, sizeof(uu)) - -/* compare.c */ -int uuid_compare(const uuid_t uu1, const uuid_t uu2); - -/* copy.c */ -/*void uuid_copy(uuid_t dst, const uuid_t src);*/ -#define uuid_copy(dst,src) memcpy(dst, src, sizeof(dst)) - -/* gen_uuid.c */ -void uuid_generate(uuid_t out); -void uuid_generate_random(uuid_t out); -void uuid_generate_time(uuid_t out); - -/* isnull.c */ -/*int uuid_is_null(const uuid_t uu);*/ -#define uuid_is_null(uu) (!memcmp(uu, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", sizeof(uu))) - -/* parse.c */ -int uuid_parse(const char *in, uuid_t uu); - -/* unparse.c */ -void uuid_unparse(const uuid_t uu, char *out); -void uuid_unparse_lower(const uuid_t uu, char *out); -void uuid_unparse_upper(const uuid_t uu, char *out); - -/* uuid_time.c */ -time_t uuid_time(const uuid_t uu, struct timeval *ret_tv); -int uuid_type(const uuid_t uu); -int uuid_variant(const uuid_t uu); - -#ifdef __cplusplus -} -#endif - -#endif /* _UUID_UUID_H */ diff --git a/e2fsprogs/uuid/uuidP.h b/e2fsprogs/uuid/uuidP.h deleted file mode 100644 index 87041ef0a..000000000 --- a/e2fsprogs/uuid/uuidP.h +++ /dev/null @@ -1,60 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * uuid.h -- private header file for uuids - * - * Copyright (C) 1996, 1997 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <inttypes.h> -#include <sys/types.h> - -#include "uuid.h" - -/* - * Offset between 15-Oct-1582 and 1-Jan-70 - */ -#define TIME_OFFSET_HIGH 0x01B21DD2 -#define TIME_OFFSET_LOW 0x13814000 - -struct uuid { - uint32_t time_low; - uint16_t time_mid; - uint16_t time_hi_and_version; - uint16_t clock_seq; - uint8_t node[6]; -}; - - -/* - * prototypes - */ -void uuid_pack(const struct uuid *uu, uuid_t ptr); -void uuid_unpack(const uuid_t in, struct uuid *uu); diff --git a/e2fsprogs/uuid/uuid_time.c b/e2fsprogs/uuid/uuid_time.c deleted file mode 100644 index b54d67322..000000000 --- a/e2fsprogs/uuid/uuid_time.c +++ /dev/null @@ -1,161 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * uuid_time.c --- Interpret the time field from a uuid. This program - * violates the UUID abstraction barrier by reaching into the guts - * of a UUID and interpreting it. - * - * Copyright (C) 1998, 1999 Theodore Ts'o. - * - * %Begin-Header% - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF - * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * %End-Header% - */ - -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include <sys/types.h> -#include <time.h> - -#include "uuidP.h" - -time_t uuid_time(const uuid_t uu, struct timeval *ret_tv) -{ - struct uuid uuid; - uint32_t high; - struct timeval tv; - unsigned long long clock_reg; - - uuid_unpack(uu, &uuid); - - high = uuid.time_mid | ((uuid.time_hi_and_version & 0xFFF) << 16); - clock_reg = uuid.time_low | ((unsigned long long) high << 32); - - clock_reg -= (((unsigned long long) 0x01B21DD2) << 32) + 0x13814000; - tv.tv_sec = clock_reg / 10000000; - tv.tv_usec = (clock_reg % 10000000) / 10; - - if (ret_tv) - *ret_tv = tv; - - return tv.tv_sec; -} - -int uuid_type(const uuid_t uu) -{ - struct uuid uuid; - - uuid_unpack(uu, &uuid); - return ((uuid.time_hi_and_version >> 12) & 0xF); -} - -int uuid_variant(const uuid_t uu) -{ - struct uuid uuid; - int var; - - uuid_unpack(uu, &uuid); - var = uuid.clock_seq; - - if ((var & 0x8000) == 0) - return UUID_VARIANT_NCS; - if ((var & 0x4000) == 0) - return UUID_VARIANT_DCE; - if ((var & 0x2000) == 0) - return UUID_VARIANT_MICROSOFT; - return UUID_VARIANT_OTHER; -} - -#ifdef DEBUG -static const char *variant_string(int variant) -{ - switch (variant) { - case UUID_VARIANT_NCS: - return "NCS"; - case UUID_VARIANT_DCE: - return "DCE"; - case UUID_VARIANT_MICROSOFT: - return "Microsoft"; - default: - return "Other"; - } -} - - -int -main(int argc, char **argv) -{ - uuid_t buf; - time_t time_reg; - struct timeval tv; - int type, variant; - - if (argc != 2) { - fprintf(stderr, "Usage: %s uuid\n", argv[0]); - exit(1); - } - if (uuid_parse(argv[1], buf)) { - fprintf(stderr, "Invalid UUID: %s\n", argv[1]); - exit(1); - } - variant = uuid_variant(buf); - type = uuid_type(buf); - time_reg = uuid_time(buf, &tv); - - printf("UUID variant is %d (%s)\n", variant, variant_string(variant)); - if (variant != UUID_VARIANT_DCE) { - printf("Warning: This program only knows how to interpret " - "DCE UUIDs.\n\tThe rest of the output is likely " - "to be incorrect!!\n"); - } - printf("UUID type is %d", type); - switch (type) { - case 1: - printf(" (time based)\n"); - break; - case 2: - printf(" (DCE)\n"); - break; - case 3: - printf(" (name-based)\n"); - break; - case 4: - printf(" (random)\n"); - break; - default: - puts(""); - } - if (type != 1) { - printf("Warning: not a time-based UUID, so UUID time " - "decoding will likely not work!\n"); - } - printf("UUID time is: (%ld, %ld): %s\n", tv.tv_sec, tv.tv_usec, - ctime(&time_reg)); - - return 0; -} -#endif |