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/* 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>
* Unified with delgroup by Tito Ragusa <farmatito@tiscali.it>
*
* Licensed under GPL version 2, see file LICENSE in this tarball for details.
*
*/
#include "busybox.h"
static void del_line_matching(const char *login, const char *filename)
{
char *line;
FILE *passwd;
int len = strlen(login);
int found = 0;
llist_t *plist = NULL;
passwd = fopen_or_warn(filename, "r");
if (!passwd) return;
while ((line = xmalloc_fgets(passwd))) {
if (!strncmp(line, login, len)
&& line[len] == ':'
) {
found++;
free(line);
} else {
llist_add_to_end(&plist, line);
}
}
if (!found) {
bb_error_msg("can't find '%s' in '%s'", login, filename);
if (!ENABLE_FEATURE_CLEAN_UP) return;
goto clean_up;
}
if (ENABLE_FEATURE_CLEAN_UP)
fclose(passwd);
passwd = fopen_or_warn(filename, "w");
if (passwd) {
if (ENABLE_FEATURE_CLEAN_UP) {
clean_up:
while ((line = llist_pop(&plist))) {
if (found) fputs(line, passwd);
free(line);
}
fclose(passwd);
} else {
/* found != 0 here, no need to check */
while ((line = llist_pop(&plist)))
fputs(line, passwd);
}
}
}
int deluser_main(int argc, char **argv)
{
if (argc != 2)
bb_show_usage();
if (ENABLE_DELUSER
&& (!ENABLE_DELGROUP || 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);
}
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;
}
/* $Id: deluser.c,v 1.4 2003/07/14 20:20:45 andersen Exp $ */
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