1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
*
* Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "busybox.h"
/* Don't use lchown for libc5 or glibc older then 2.1.x */
#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
#define lchown chown
#endif
static long uid;
static long gid;
static int (*chown_func)() = chown;
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
return (TRUE);
}
perror(fileName);
return (FALSE);
}
int chown_main(int argc, char **argv)
{
int opt;
int recursiveFlag = FALSE,
noderefFlag = FALSE;
char *groupName=NULL;
char *p=NULL;
/* do normal option parsing */
while ((opt = getopt(argc, argv, "Rh")) > 0) {
switch (opt) {
case 'R':
recursiveFlag = TRUE;
break;
case 'h':
noderefFlag = TRUE;
break;
default:
show_usage();
}
}
if (noderefFlag) chown_func = lchown;
if (argc > optind && argc > 2 && argv[optind]) {
/* First, check if there is a group name here */
groupName = strchr(argv[optind], '.');
if (groupName == NULL)
groupName = strchr(argv[optind], ':');
if (groupName) {
*groupName++ = '\0';
gid = strtoul(groupName, &p, 10);
if (groupName == p)
gid = my_getgrnam(groupName);
} else {
gid = -1;
}
/* Now check for the username */
uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
if (argv[optind] == p) {
uid = my_getpwnam(argv[optind]);
}
} else {
error_msg_and_die(too_few_args);
}
/* Ok, ready to do the deed now */
while (++optind < argc) {
if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
fileAction, fileAction, NULL) == FALSE) {
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/
|
