blob: 4e766a90b7a97eda57dafc414c08370f4e021837 [file] [log] [blame]
Eric Andersen9f0fedb2001-04-24 18:07:19 +00001/* vi: set sw=4 ts=4: */
2/*
Eric Andersenbdfd0d72001-10-24 05:00:29 +00003 * Mini chown implementation for busybox
Eric Andersen9f0fedb2001-04-24 18:07:19 +00004 *
Eric Andersenbdfd0d72001-10-24 05:00:29 +00005 * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
6 * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
Eric Andersen9f0fedb2001-04-24 18:07:19 +00007 *
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.
12 *
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.
17 *
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
21 *
22 */
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <unistd.h>
28#include "busybox.h"
Eric Andersen9f0fedb2001-04-24 18:07:19 +000029
30/* Don't use lchown for libc5 or glibc older then 2.1.x */
Eric Andersenc57a75d2001-04-25 17:12:33 +000031#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
Eric Andersen9f0fedb2001-04-24 18:07:19 +000032#define lchown chown
33#endif
34
Eric Andersen65504ac2001-04-30 18:07:24 +000035static long uid;
36static long gid;
Eric Andersen9f0fedb2001-04-24 18:07:19 +000037
Glenn L McGratha88cb502003-02-08 23:36:16 +000038static int (*chown_func)(const char *, uid_t, gid_t) = chown;
Eric Andersen2b02ab92001-05-11 15:55:41 +000039
Eric Andersen9f0fedb2001-04-24 18:07:19 +000040static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
41{
Eric Andersen2b02ab92001-05-11 15:55:41 +000042 if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
Eric Andersen9f0fedb2001-04-24 18:07:19 +000043 return (TRUE);
44 }
45 perror(fileName);
46 return (FALSE);
47}
48
49int chown_main(int argc, char **argv)
50{
51 int opt;
Eric Andersen2b02ab92001-05-11 15:55:41 +000052 int recursiveFlag = FALSE,
53 noderefFlag = FALSE;
Eric Andersen9f0fedb2001-04-24 18:07:19 +000054 char *groupName=NULL;
55 char *p=NULL;
56
57 /* do normal option parsing */
Eric Andersen2b02ab92001-05-11 15:55:41 +000058 while ((opt = getopt(argc, argv, "Rh")) > 0) {
Eric Andersen9f0fedb2001-04-24 18:07:19 +000059 switch (opt) {
60 case 'R':
61 recursiveFlag = TRUE;
Matt Kraai468f5042001-04-26 18:27:47 +000062 break;
Eric Andersen2b02ab92001-05-11 15:55:41 +000063 case 'h':
64 noderefFlag = TRUE;
65 break;
Eric Andersen9f0fedb2001-04-24 18:07:19 +000066 default:
67 show_usage();
68 }
69 }
70
Eric Andersen2b02ab92001-05-11 15:55:41 +000071 if (noderefFlag) chown_func = lchown;
72
Eric Andersen9f0fedb2001-04-24 18:07:19 +000073 if (argc > optind && argc > 2 && argv[optind]) {
74 /* First, check if there is a group name here */
75 groupName = strchr(argv[optind], '.');
76 if (groupName == NULL)
77 groupName = strchr(argv[optind], ':');
78 if (groupName) {
79 *groupName++ = '\0';
80 gid = strtoul(groupName, &p, 10);
81 if (groupName == p)
82 gid = my_getgrnam(groupName);
83 } else {
84 gid = -1;
85 }
86 /* Now check for the username */
87 uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
88 if (argv[optind] == p) {
89 uid = my_getpwnam(argv[optind]);
90 }
91 } else {
92 error_msg_and_die(too_few_args);
93 }
94
95 /* Ok, ready to do the deed now */
Eric Andersen3c3277f2001-04-26 15:41:51 +000096 while (++optind < argc) {
Matt Kraai1f0c4362001-12-20 23:13:26 +000097 if (! recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
98 fileAction, fileAction, NULL)) {
Eric Andersen9f0fedb2001-04-24 18:07:19 +000099 return EXIT_FAILURE;
100 }
101 }
102 return EXIT_SUCCESS;
103
104}
105
106/*
107Local Variables:
108c-file-style: "linux"
109c-basic-offset: 4
110tab-width: 4
111End:
112*/