*
* Copyright (C) 2000 by Randolph Chung <tausq@debian.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
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */
/* Hacked by Tito Ragusa (C) 2004 to handle usernames of whatever length and to
- * be more similar to GNU id.
+ * be more similar to GNU id.
*/
#include "busybox.h"
#define JUST_GROUP 8
static short printf_full(unsigned int id, const char *arg, const char prefix)
-{
+{
const char *fmt = "%cid=%u";
short status=EXIT_FAILURE;
-
+
if(arg) {
fmt = "%cid=%u(%s)";
status=EXIT_SUCCESS;
return status;
}
-extern int id_main(int argc, char **argv)
+int id_main(int argc, char **argv)
{
struct passwd *p;
uid_t uid;
unsigned long flags;
short status;
- bb_opt_complementally = "!u~g:g~u";
+ /* Don't allow -n -r -nr -ug -rug -nug -rnug */
+ /* Don't allow more than one username */
+ bb_opt_complementally = "?1:?:u--g:g--u:r?ug:n?ug";
flags = bb_getopt_ulflags(argc, argv, "rnug");
- /* Don't allow -n -r -nr */
- if ((flags <= 3 && flags > 0)
- /* Don't allow more than one username */
- || (argc > optind + 1))
- bb_show_usage();
-
/* This values could be overwritten later */
uid = geteuid();
gid = getegid();
uid = getuid();
gid = getgid();
}
-
+
if(argv[optind]) {
p=getpwnam(argv[optind]);
/* bb_xgetpwnam is needed because it exits on failure */
uid = bb_xgetpwnam(argv[optind]);
gid = p->pw_gid;
- /* in this case PRINT_REAL is the same */
+ /* in this case PRINT_REAL is the same */
}
if(flags & (JUST_GROUP | JUST_USER)) {
} else {
bb_printf("%u\n",(flags & JUST_USER) ? uid : gid);
}
- /* exit */
+ /* exit */
bb_fflush_stdout_and_exit(EXIT_SUCCESS);
}
putchar('\n');
bb_fflush_stdout_and_exit(status);
}
-
-/* END CODE */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/
-