diff options
Diffstat (limited to 'busybox/coreutils/chown.c')
-rw-r--r-- | busybox/coreutils/chown.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/busybox/coreutils/chown.c b/busybox/coreutils/chown.c new file mode 100644 index 000000000..638745f17 --- /dev/null +++ b/busybox/coreutils/chown.c | |||
@@ -0,0 +1,105 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini chown implementation for busybox | ||
4 | * | ||
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
6 | * | ||
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. | ||
11 | * | ||
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. | ||
16 | * | ||
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 | ||
20 | * | ||
21 | */ | ||
22 | |||
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 */ | ||
27 | |||
28 | #include <stdlib.h> | ||
29 | #include <unistd.h> | ||
30 | #include <string.h> | ||
31 | #include "busybox.h" | ||
32 | |||
33 | /* Don't use lchown for glibc older then 2.1.x */ | ||
34 | #if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1) | ||
35 | #define lchown chown | ||
36 | #endif | ||
37 | |||
38 | static long uid; | ||
39 | static long gid; | ||
40 | |||
41 | static int (*chown_func)(const char *, uid_t, gid_t) = chown; | ||
42 | |||
43 | static int fileAction(const char *fileName, struct stat *statbuf, void* junk) | ||
44 | { | ||
45 | if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { | ||
46 | chmod(fileName, statbuf->st_mode); | ||
47 | return (TRUE); | ||
48 | } | ||
49 | bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */ | ||
50 | return (FALSE); | ||
51 | } | ||
52 | |||
53 | #define FLAG_R 1 | ||
54 | #define FLAG_h 2 | ||
55 | |||
56 | int chown_main(int argc, char **argv) | ||
57 | { | ||
58 | int flags; | ||
59 | int retval = EXIT_SUCCESS; | ||
60 | char *groupName; | ||
61 | |||
62 | flags = bb_getopt_ulflags(argc, argv, "Rh"); | ||
63 | |||
64 | if (flags & FLAG_h) chown_func = lchown; | ||
65 | |||
66 | if (argc - optind < 2) { | ||
67 | bb_show_usage(); | ||
68 | } | ||
69 | |||
70 | argv += optind; | ||
71 | |||
72 | /* First, check if there is a group name here */ | ||
73 | if ((groupName = strchr(*argv, '.')) == NULL) { | ||
74 | groupName = strchr(*argv, ':'); | ||
75 | } | ||
76 | |||
77 | gid = -1; | ||
78 | if (groupName) { | ||
79 | *groupName++ = '\0'; | ||
80 | gid = get_ug_id(groupName, my_getgrnam); | ||
81 | } | ||
82 | |||
83 | /* Now check for the username */ | ||
84 | uid = get_ug_id(*argv, my_getpwnam); | ||
85 | |||
86 | ++argv; | ||
87 | |||
88 | /* Ok, ready to do the deed now */ | ||
89 | do { | ||
90 | if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE, | ||
91 | fileAction, fileAction, NULL)) { | ||
92 | retval = EXIT_FAILURE; | ||
93 | } | ||
94 | } while (*++argv); | ||
95 | |||
96 | return retval; | ||
97 | } | ||
98 | |||
99 | /* | ||
100 | Local Variables: | ||
101 | c-file-style: "linux" | ||
102 | c-basic-offset: 4 | ||
103 | tab-width: 4 | ||
104 | End: | ||
105 | */ | ||