1 /* vi: set sw=4 ts=4: */
3 * Mini chown implementation for busybox
5 * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
6 * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 /* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */
25 /* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */
26 /* BB_AUDIT Note: gnu chown does not support -H, -L, or -P. */
27 /* http://www.opengroup.org/onlinepubs/007904975/utilities/chown.html */
34 /* Don't use lchown for libc5 or glibc older then 2.1.x */
35 #if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
42 static int (*chown_func)(const char *, uid_t, gid_t) = chown;
44 static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
46 if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
49 bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
56 static unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *))
61 r = strtoul(s, &p, 10);
69 int chown_main(int argc, char **argv)
72 int retval = EXIT_SUCCESS;
75 flags = bb_getopt_ulflags(argc, argv, "Rh");
77 if (flags & FLAG_h) chown_func = lchown;
79 if (argc - optind < 2) {
85 /* First, check if there is a group name here */
86 if ((groupName = strchr(*argv, '.')) == NULL) {
87 groupName = strchr(*argv, ':');
93 gid = get_ug_id(groupName, my_getgrnam);
96 /* Now check for the username */
97 uid = get_ug_id(*argv, my_getpwnam);
101 /* Ok, ready to do the deed now */
103 if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE,
104 fileAction, fileAction, NULL)) {
105 retval = EXIT_FAILURE;
114 c-file-style: "linux"