blob: a656072041b9b2bc58dfee138fb6ca69debaad64 [file] [log] [blame]
Eric Andersen9f0fedb2001-04-24 18:07:19 +00001/* vi: set sw=4 ts=4: */
2/*
3 * Mini chown/chmod/chgrp implementation for busybox
4 *
5 *
6 * Copyright (C) 1999,2000,2001 by Lineo, inc.
7 * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28#include <unistd.h>
29#include "busybox.h"
Eric Andersen9f0fedb2001-04-24 18:07:19 +000030
31/* Don't use lchown for libc5 or glibc older then 2.1.x */
Eric Andersenc57a75d2001-04-25 17:12:33 +000032#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
Eric Andersen9f0fedb2001-04-24 18:07:19 +000033#define lchown chown
34#endif
35
Eric Andersen65504ac2001-04-30 18:07:24 +000036static long uid;
37static long gid;
Eric Andersen9f0fedb2001-04-24 18:07:19 +000038
Eric Andersen2b02ab92001-05-11 15:55:41 +000039static int (*chown_func)() = chown;
40
Eric Andersen9f0fedb2001-04-24 18:07:19 +000041static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
42{
Eric Andersen2b02ab92001-05-11 15:55:41 +000043 if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
Eric Andersen9f0fedb2001-04-24 18:07:19 +000044 return (TRUE);
45 }
46 perror(fileName);
47 return (FALSE);
48}
49
50int chown_main(int argc, char **argv)
51{
52 int opt;
Eric Andersen2b02ab92001-05-11 15:55:41 +000053 int recursiveFlag = FALSE,
54 noderefFlag = FALSE;
Eric Andersen9f0fedb2001-04-24 18:07:19 +000055 char *groupName=NULL;
56 char *p=NULL;
57
58 /* do normal option parsing */
Eric Andersen2b02ab92001-05-11 15:55:41 +000059 while ((opt = getopt(argc, argv, "Rh")) > 0) {
Eric Andersen9f0fedb2001-04-24 18:07:19 +000060 switch (opt) {
61 case 'R':
62 recursiveFlag = TRUE;
Matt Kraai468f5042001-04-26 18:27:47 +000063 break;
Eric Andersen2b02ab92001-05-11 15:55:41 +000064 case 'h':
65 noderefFlag = TRUE;
66 break;
Eric Andersen9f0fedb2001-04-24 18:07:19 +000067 default:
68 show_usage();
69 }
70 }
71
Eric Andersen2b02ab92001-05-11 15:55:41 +000072 if (noderefFlag) chown_func = lchown;
73
Eric Andersen9f0fedb2001-04-24 18:07:19 +000074 if (argc > optind && argc > 2 && argv[optind]) {
75 /* First, check if there is a group name here */
76 groupName = strchr(argv[optind], '.');
77 if (groupName == NULL)
78 groupName = strchr(argv[optind], ':');
79 if (groupName) {
80 *groupName++ = '\0';
81 gid = strtoul(groupName, &p, 10);
82 if (groupName == p)
83 gid = my_getgrnam(groupName);
84 } else {
85 gid = -1;
86 }
87 /* Now check for the username */
88 uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
89 if (argv[optind] == p) {
90 uid = my_getpwnam(argv[optind]);
91 }
92 } else {
93 error_msg_and_die(too_few_args);
94 }
95
96 /* Ok, ready to do the deed now */
Eric Andersen3c3277f2001-04-26 15:41:51 +000097 while (++optind < argc) {
Eric Andersen9f0fedb2001-04-24 18:07:19 +000098 if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
99 fileAction, fileAction, NULL) == FALSE) {
100 return EXIT_FAILURE;
101 }
102 }
103 return EXIT_SUCCESS;
104
105}
106
107/*
108Local Variables:
109c-file-style: "linux"
110c-basic-offset: 4
111tab-width: 4
112End:
113*/