1 /* vi: set sw=4 ts=4: */
3 * Mini chown implementation for busybox
5 * Copyright (C) 1999-2003 by Erik Andersen <andersen@codepoet.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 defects - unsupported options -h, -H, -L, and -P. */
24 /* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */
25 /* BB_AUDIT Note: gnu chown does not support -H, -L, or -P. */
26 /* http://www.opengroup.org/onlinepubs/007904975/utilities/chown.html */
33 /* Don't use lchown for libc5 or glibc older then 2.1.x */
34 #if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
41 static int (*chown_func)(const char *, uid_t, gid_t) = chown;
43 static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
45 if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
48 bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
55 static unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *))
60 r = strtoul(s, &p, 10);
68 int chown_main(int argc, char **argv)
71 int retval = EXIT_SUCCESS;
74 flags = bb_getopt_ulflags(argc, argv, "Rh");
76 if (flags & FLAG_h) chown_func = lchown;
78 if (argc - optind < 2) {
84 /* First, check if there is a group name here */
85 if ((groupName = strchr(*argv, '.')) == NULL) {
86 groupName = strchr(*argv, ':');
92 gid = get_ug_id(groupName, my_getgrnam);
95 /* Now check for the username */
96 uid = get_ug_id(*argv, my_getpwnam);
100 /* Ok, ready to do the deed now */
102 if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE,
103 fileAction, fileAction, NULL)) {
104 retval = EXIT_FAILURE;
113 c-file-style: "linux"