diff options
Diffstat (limited to 'loginutils')
| -rw-r--r-- | loginutils/Makefile.in | 4 | ||||
| -rw-r--r-- | loginutils/delgroup.c | 62 | ||||
| -rw-r--r-- | loginutils/delline.c | 113 | ||||
| -rw-r--r-- | loginutils/deluser.c | 106 |
4 files changed, 72 insertions, 213 deletions
diff --git a/loginutils/Makefile.in b/loginutils/Makefile.in index c11bbfc03..0063762ab 100644 --- a/loginutils/Makefile.in +++ b/loginutils/Makefile.in @@ -20,7 +20,9 @@ LOGINUTILS-$(CONFIG_SU) += su.o LOGINUTILS-$(CONFIG_SULOGIN) += sulogin.o LOGINUTILS-$(CONFIG_VLOCK) += vlock.o LOGINUTILS-$(CONFIG_DELUSER) += deluser.o -LOGINUTILS-$(CONFIG_DELGROUP) += delgroup.o +LOGINUTILS-$(CONFIG_DELGROUP) += deluser.o + +LOGINUTILS-y:=$(sort $(LOGINUTILS-y)) ifneq ($(strip $(LOGINUTILS-y)),) libraries-y+=$(LOGINUTILS_DIR)$(LOGINUTILS_AR) diff --git a/loginutils/delgroup.c b/loginutils/delgroup.c deleted file mode 100644 index 91edf2989..000000000 --- a/loginutils/delgroup.c +++ /dev/null @@ -1,62 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * deluser (remove lusers from the system ;) for TinyLogin - * - * Copyright (C) 1999 by Lineo, inc. and John Beppu - * Copyright (C) 1999,2000,2001 by John Beppu <beppu@codepoet.org> - * - * 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 - * 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 <sys/stat.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "busybox.h" - - -#if ! defined CONFIG_DELUSER -#include "delline.c" -#else -extern int del_line_matching(const char *login, const char *filename); -#endif - -int delgroup_main(int argc, char **argv) -{ - /* int successful; */ - int failure; - - if (argc != 2) { - bb_show_usage(); - } else { - - failure = del_line_matching(argv[1], bb_path_group_file); -#ifdef CONFIG_FEATURE_SHADOWPASSWDS - if (access(bb_path_gshadow_file, W_OK) == 0) { - /* EDR the |= works if the error is not 0, so he had it wrong */ - failure |= del_line_matching(argv[1], bb_path_gshadow_file); - } -#endif - if (failure) { - bb_error_msg_and_die("%s: Group could not be removed\n", argv[1]); - } - - } - return (EXIT_SUCCESS); -} - -/* $Id: delgroup.c,v 1.2 2003/07/14 21:50:51 andersen Exp $ */ diff --git a/loginutils/delline.c b/loginutils/delline.c deleted file mode 100644 index 8d534c861..000000000 --- a/loginutils/delline.c +++ /dev/null @@ -1,113 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * deluser (remove lusers from the system ;) for TinyLogin - * - * Copyright (C) 1999 by Lineo, inc. and John Beppu - * Copyright (C) 1999,2000,2001 by John Beppu <beppu@codepoet.org> - * - * 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 - * 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 <sys/stat.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "busybox.h" - - - -/* where to start and stop deletion */ -typedef struct { - size_t start; - size_t stop; -} Bounds; - -/* An interesting side-effect of boundary()'s - * implementation is that the first user (typically root) - * cannot be removed. Let's call it a feature. */ -static inline Bounds boundary(const char *buffer, const char *login) -{ - char needle[256]; - char *start; - char *stop; - Bounds b; - - snprintf(needle, 256, "\n%s:", login); - needle[255] = 0; - start = strstr(buffer, needle); - if (!start) { - b.start = 0; - b.stop = 0; - return b; - } - start++; - - stop = index(start, '\n'); /* index is a BSD-ism */ - b.start = start - buffer; - b.stop = stop - buffer; - return b; -} - -/* grep -v ^login (except it only deletes the first match) */ -/* ...in fact, I think I'm going to simplify this later */ -int del_line_matching(const char *login, const char *filename) -{ - char *buffer; - FILE *passwd; - size_t len; - Bounds b; - struct stat statbuf; - - /* load into buffer */ - passwd = fopen(filename, "r"); - if (!passwd) { - return 1; - } - stat(filename, &statbuf); - len = statbuf.st_size; - buffer = (char *) malloc(len * sizeof(char)); - - if (!buffer) { - fclose(passwd); - return 1; - } - fread(buffer, len, sizeof(char), passwd); - - fclose(passwd); - - /* find the user to remove */ - b = boundary(buffer, login); - if (b.stop == 0) { - free(buffer); - return 1; - } - - /* write the file w/o the user */ - passwd = fopen(filename, "w"); - if (!passwd) { - return 1; - } - fwrite(buffer, (b.start - 1), sizeof(char), passwd); - fwrite(&buffer[b.stop], (len - b.stop), sizeof(char), passwd); - - fclose(passwd); - - return 0; -} - - -/* $Id: delline.c,v 1.2 2003/07/14 21:50:51 andersen Exp $ */ diff --git a/loginutils/deluser.c b/loginutils/deluser.c index 1cd2b01e3..b647537d9 100644 --- a/loginutils/deluser.c +++ b/loginutils/deluser.c @@ -4,20 +4,9 @@ * * Copyright (C) 1999 by Lineo, inc. and John Beppu * Copyright (C) 1999,2000,2001 by John Beppu <beppu@codepoet.org> + * Unified with delgroup by Tito Ragusa <farmatito@tiscali.it> * - * 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 - * 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 + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. * */ @@ -28,39 +17,82 @@ #include <string.h> #include "busybox.h" +/* where to start and stop deletion */ +typedef struct { + size_t start; + size_t stop; +} Bounds; -#include "delline.c" +/* An interesting side-effect of boundary()'s + * implementation is that the first user (typically root) + * cannot be removed. Let's call it a feature. */ +static inline Bounds boundary(const char *buffer, const char *login) +{ + char needle[256]; + char *start; + char *stop; + Bounds b; -static const char deluser_format[]="%s: User could not be removed from %s"; + snprintf(needle, 256, "\n%s:", login); + needle[255] = 0; + start = strstr(buffer, needle); + if (!start) { + b.start = 0; + b.stop = 0; + return b; + } + start++; -int deluser_main(int argc, char **argv) + stop = index(start, '\n'); /* index is a BSD-ism */ + b.start = start - buffer; + b.stop = stop - buffer; + return b; +} + +/* grep -v ^login (except it only deletes the first match) */ +/* ...in fact, I think I'm going to simplify this later */ +static void del_line_matching(const char *login, const char *filename) { - /* int successful; */ - int failure; + char *buffer; + FILE *passwd; + Bounds b; + struct stat statbuf; + + if ((passwd = bb_wfopen(filename, "r"))) { + xstat(filename, &statbuf); + buffer = (char *) xmalloc(statbuf.st_size * sizeof(char)); + fread(buffer, statbuf.st_size, sizeof(char), passwd); + fclose(passwd); + /* find the user to remove */ + b = boundary(buffer, login); + if (b.stop != 0) { + /* write the file w/o the user */ + if ((passwd = bb_wfopen(filename, "w"))) { + fwrite(buffer, (b.start - 1), sizeof(char), passwd); + fwrite(&buffer[b.stop], (statbuf.st_size - b.stop), sizeof(char), passwd); + fclose(passwd); + } + } else { + bb_error_msg("Can't find '%s' in '%s'", login, filename); + } + free(buffer); + } +} + +int deluser_main(int argc, char **argv) +{ if (argc != 2) { bb_show_usage(); } else { - - failure = del_line_matching(argv[1], bb_path_passwd_file); - if (failure) { - bb_error_msg_and_die(deluser_format, argv[1], bb_path_passwd_file); + if (ENABLE_DELUSER && bb_applet_name[3] == 'u') { + del_line_matching(argv[1], bb_path_passwd_file); + if (ENABLE_FEATURE_SHADOWPASSWDS) + del_line_matching(argv[1], bb_path_shadow_file); } -#ifdef CONFIG_FEATURE_SHADOWPASSWDS - failure = del_line_matching(argv[1], bb_path_shadow_file); - if (failure) { - bb_error_msg_and_die(deluser_format, argv[1], bb_path_shadow_file); - } - failure = del_line_matching(argv[1], bb_path_gshadow_file); - if (failure) { - bb_error_msg_and_die(deluser_format, argv[1], bb_path_gshadow_file); - } -#endif - failure = del_line_matching(argv[1], bb_path_group_file); - if (failure) { - bb_error_msg_and_die(deluser_format, argv[1], bb_path_group_file); - } - + del_line_matching(argv[1], bb_path_group_file); + if (ENABLE_FEATURE_SHADOWPASSWDS) + del_line_matching(argv[1], bb_path_gshadow_file); } return (EXIT_SUCCESS); } |