1 /* vi: set sw=4 ts=4: */
3 * Mini id implementation for busybox
5 * Copyright (C) 2000 by Randolph Chung <tausq@debian.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 /* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */
30 #include <sys/types.h>
35 #define NAME_NOT_NUMBER 8
37 extern int id_main(int argc, char **argv)
39 char user[9], group[9];
44 flags = bb_getopt_ulflags(argc, argv, "ugrn");
46 if (((flags & (NO_USER | NO_GROUP)) == (NO_USER | NO_GROUP))
47 || (argc > optind + 1)
52 if (argv[optind] == NULL) {
53 if (flags & PRINT_REAL) {
60 my_getpwuid(user, uid);
62 safe_strncpy(user, argv[optind], sizeof(user));
63 gid = my_getpwnamegid(user);
65 my_getgrgid(group, gid);
67 pwnam=my_getpwnam(user);
68 grnam=my_getgrnam(group);
70 if (flags & (NO_GROUP | NO_USER)) {
72 if (flags & NO_GROUP) {
76 if (flags & NAME_NOT_NUMBER) {
79 printf("%ld\n", grnam);
82 printf("uid=%ld(%s) gid=%ld(%s)\n", pwnam, user, grnam, group);
85 bb_fflush_stdout_and_exit(0);