hush/loginutils/deluser.c

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/* vi: set sw=4 ts=4: */
/*
* deluser/delgroup implementation for busybox
*
* Copyright (C) 1999 by Lineo, inc. and John Beppu
* Copyright (C) 1999,2000,2001 by John Beppu <beppu@codepoet.org>
* Copyright (C) 2007 by Tito Ragusa <farmatito@tiscali.it>
*
* Licensed under GPL version 2, see file LICENSE in this tarball for details.
*
*/
#include "libbb.h"
static int del_line_matching(char **args, const char *filename)
{
if (ENABLE_FEATURE_DEL_USER_FROM_GROUP && args[2]) {
return update_passwd(filename, args[2], NULL, args[1]);
}
return update_passwd(filename, args[1], NULL, NULL);
}
int deluser_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int deluser_main(int argc, char **argv)
{
if (argc != 2
&& (!ENABLE_FEATURE_DEL_USER_FROM_GROUP
|| (applet_name[3] != 'g' || argc != 3))
) {
bb_show_usage();
}
2007-05-30 00:29:55 +00:00
if (geteuid())
bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
if ((ENABLE_FEATURE_DEL_USER_FROM_GROUP && argc != 3)
|| ENABLE_DELUSER
|| (ENABLE_DELGROUP && ENABLE_DESKTOP)
) {
if (ENABLE_DELUSER
&& (!ENABLE_DELGROUP || applet_name[3] == 'u')
) {
if (del_line_matching(argv, bb_path_passwd_file) < 0)
return EXIT_FAILURE;
if (ENABLE_FEATURE_SHADOWPASSWDS) {
del_line_matching(argv, bb_path_shadow_file);
}
} else if (ENABLE_DESKTOP && ENABLE_DELGROUP && getpwnam(argv[1]))
bb_error_msg_and_die("can't remove primary group of user %s", argv[1]);
}
if (del_line_matching(argv, bb_path_group_file) < 0)
return EXIT_FAILURE;
if (ENABLE_FEATURE_SHADOWPASSWDS) {
del_line_matching(argv, bb_path_gshadow_file);
}
return EXIT_SUCCESS;
}