From 69eab26401db425cf27915a675953e2ac33ee0e5 Mon Sep 17 00:00:00 2001 From: Glenn L McGrath Date: Wed, 25 Sep 2002 03:04:03 +0000 Subject: Remove files made obsolete by new unarchiving code --- archival/libunarchive/unarchive.c | 263 -------------------------------------- 1 file changed, 263 deletions(-) delete mode 100644 archival/libunarchive/unarchive.c (limited to 'archival/libunarchive/unarchive.c') diff --git a/archival/libunarchive/unarchive.c b/archival/libunarchive/unarchive.c deleted file mode 100644 index 03e3c3ec2..000000000 --- a/archival/libunarchive/unarchive.c +++ /dev/null @@ -1,263 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Library General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "unarchive.h" -#include "busybox.h" - -/* Extract the data postioned at src_stream to either filesystem, stdout or - * buffer depending on the value of 'function' which is defined in libbb.h - * - * prefix doesnt have to be just a directory, it may prefix the filename as well. - * - * e.g. '/var/lib/dpkg/info/dpkg.' will extract all files to the base bath - * '/var/lib/dpkg/info/' and all files/dirs created in that dir will have - * 'dpkg.' as their prefix - * - * For this reason if prefix does point to a dir then it must end with a - * trailing '/' or else the last dir will be assumed to be the file prefix - */ -char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *file_entry, - const int function, const char *prefix) -{ - FILE *dst_stream = NULL; - char *full_name = NULL; - char *buffer = NULL; - struct utimbuf t; - - /* prefix doesnt have to be a proper path it may prepend - * the filename as well */ - if (prefix != NULL) { - /* strip leading '/' in filename to extract as prefix may not be dir */ - /* Cant use concat_path_file here as prefix might not be a directory */ - char *path = file_entry->name; - if (strncmp("./", path, 2) == 0) { - path += 2; - if (strlen(path) == 0) { - return(NULL); - } - } - bb_asprintf(&full_name, "%s%s", prefix, path); - } else { - full_name = file_entry->name; - } - if (function & extract_to_stdout) { - if (S_ISREG(file_entry->mode)) { - copy_file_chunk(src_stream, out_stream, file_entry->size); - archive_offset += file_entry->size; - } - } - else if (function & extract_one_to_buffer) { - if (S_ISREG(file_entry->mode)) { - buffer = (char *) xmalloc(file_entry->size + 1); - fread(buffer, 1, file_entry->size, src_stream); - buffer[file_entry->size] = '\0'; - archive_offset += file_entry->size; - return(buffer); - } - } - else if (function & extract_all_to_fs) { - struct stat oldfile; - int stat_res; - stat_res = lstat (full_name, &oldfile); - if (stat_res == 0) { /* The file already exists */ - if ((function & extract_unconditional) || (oldfile.st_mtime < file_entry->mtime)) { - if (!S_ISDIR(oldfile.st_mode)) { - unlink(full_name); /* Directories might not be empty etc */ - } - } else { - if ((function & extract_quiet) != extract_quiet) { - error_msg("%s not created: newer or same age file exists", file_entry->name); - } - seek_sub_file(src_stream, file_entry->size); - return (NULL); - } - } - if (function & extract_create_leading_dirs) { /* Create leading directories with default umask */ - char *buf, *parent; - buf = xstrdup(full_name); - parent = dirname(buf); - if (make_directory (parent, -1, FILEUTILS_RECUR) != 0) { - if ((function & extract_quiet) != extract_quiet) { - error_msg("couldn't create leading directories"); - } - } - free (buf); - } - switch(file_entry->mode & S_IFMT) { - case S_IFREG: - if (file_entry->link_name) { /* Found a cpio hard link */ - if (link(file_entry->link_name, full_name) != 0) { - if ((function & extract_quiet) != extract_quiet) { - perror_msg("Cannot link from %s to '%s'", - file_entry->name, file_entry->link_name); - } - } - } else { - if ((dst_stream = wfopen(full_name, "w")) == NULL) { - seek_sub_file(src_stream, file_entry->size); - return NULL; - } - archive_offset += file_entry->size; - if (file_entry->extract_func) file_entry->extract_func(src_stream, dst_stream); - else copy_file_chunk(src_stream, dst_stream, file_entry->size); - fclose(dst_stream); - } - break; - case S_IFDIR: - if (stat_res != 0) { - if (mkdir(full_name, file_entry->mode) < 0) { - if ((function & extract_quiet) != extract_quiet) { - perror_msg("extract_archive: %s", full_name); - } - } - } - break; - case S_IFLNK: - if (symlink(file_entry->link_name, full_name) < 0) { - if ((function & extract_quiet) != extract_quiet) { - perror_msg("Cannot create symlink from %s to '%s'", file_entry->name, file_entry->link_name); - } - return NULL; - } - break; - case S_IFSOCK: - case S_IFBLK: - case S_IFCHR: - case S_IFIFO: - if (mknod(full_name, file_entry->mode, file_entry->device) == -1) { - if ((function & extract_quiet) != extract_quiet) { - perror_msg("Cannot create node %s", file_entry->name); - } - return NULL; - } - break; - } - - /* Changing a symlink's properties normally changes the properties of the - * file pointed to, so dont try and change the date or mode, lchown does - * does the right thing, but isnt available in older versions of libc */ - if (S_ISLNK(file_entry->mode)) { -#if (__GLIBC__ > 2) && (__GLIBC_MINOR__ > 1) - lchown(full_name, file_entry->uid, file_entry->gid); -#endif - } else { - if (function & extract_preserve_date) { - t.actime = file_entry->mtime; - t.modtime = file_entry->mtime; - utime(full_name, &t); - } - chmod(full_name, file_entry->mode); - chown(full_name, file_entry->uid, file_entry->gid); - } - } else { - /* If we arent extracting data we have to skip it, - * if data size is 0 then then just do it anyway - * (saves testing for it) */ - seek_sub_file(src_stream, file_entry->size); - } - - /* extract_list and extract_verbose_list can be used in conjunction - * with one of the above four extraction functions, so do this seperately */ - if (function & extract_verbose_list) { - fprintf(out_stream, "%s %d/%d %8d %s ", mode_string(file_entry->mode), - file_entry->uid, file_entry->gid, - (int) file_entry->size, time_string(file_entry->mtime)); - } - if ((function & extract_list) || (function & extract_verbose_list)){ - /* fputs doesnt add a trailing \n, so use fprintf */ - fprintf(out_stream, "%s\n", full_name); - } - - if (prefix != NULL) { - free(full_name); - } - - return(NULL); /* Maybe we should say if failed */ -} - -char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers)(FILE *), - const int extract_function, const char *prefix, char **include_name, char **exclude_name) -{ - file_header_t *file_entry; - int extract_flag = TRUE; - int i; - char *buffer = NULL; -#ifdef CONFIG_FEATURE_UNARCHIVE_TAPE - int pid, tape_pipe[2]; - - if (pipe(tape_pipe) != 0) error_msg_and_die("Can't create pipe\n"); - if ((pid = fork()) == -1) error_msg_and_die("Fork failed\n"); - if (pid==0) { /* child process */ - close(tape_pipe[0]); /* We don't wan't to read from the pipe */ - copyfd(fileno(src_stream), tape_pipe[1]); - close(tape_pipe[1]); /* Send EOF */ - exit(0); - /* notreached */ - } - close(tape_pipe[1]); /* Don't want to write down the pipe */ - fclose(src_stream); - src_stream = fdopen(tape_pipe[0], "r"); -#endif - archive_offset = 0; - while ((file_entry = get_headers(src_stream)) != NULL) { - - if (include_name != NULL) { - extract_flag = FALSE; - for(i = 0; include_name[i] != 0; i++) { - if (fnmatch(include_name[i], file_entry->name, FNM_LEADING_DIR) == 0) { - extract_flag = TRUE; - break; - } - } - } else { - extract_flag = TRUE; - } - - /* If the file entry is in the exclude list dont extract it */ - if (exclude_name != NULL) { - for(i = 0; exclude_name[i] != 0; i++) { - if (fnmatch(exclude_name[i], file_entry->name, FNM_LEADING_DIR) == 0) { - extract_flag = FALSE; - break; - } - } - } - - if (extract_flag) { - buffer = extract_archive(src_stream, out_stream, file_entry, extract_function, prefix); - } else { - /* seek past the data entry */ - seek_sub_file(src_stream, file_entry->size); - } - free(file_entry->name); - free(file_entry->link_name); - free(file_entry); - } -#ifdef CONFIG_FEATURE_UNARCHIVE_TAPE - kill(pid, SIGTERM); - waitpid(pid, NULL, 0); -#endif - return(buffer); -} -- cgit v1.2.3