diff options
Diffstat (limited to 'chown.c')
-rw-r--r-- | chown.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/chown.c b/chown.c new file mode 100644 index 000000000..f044a7527 --- /dev/null +++ b/chown.c | |||
@@ -0,0 +1,108 @@ | |||
1 | /* 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" | ||
30 | #define BB_DECLARE_EXTERN | ||
31 | #define bb_need_too_few_args | ||
32 | #include "messages.c" | ||
33 | |||
34 | |||
35 | /* Don't use lchown for libc5 or glibc older then 2.1.x */ | ||
36 | #if (__GLIBC__ < 2) && (__GLIBC_MINOR__ < 1) | ||
37 | #define lchown chown | ||
38 | #endif | ||
39 | |||
40 | static long uid = -1; | ||
41 | static long gid = -1; | ||
42 | |||
43 | static int fileAction(const char *fileName, struct stat *statbuf, void* junk) | ||
44 | { | ||
45 | if (lchown(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { | ||
46 | return (TRUE); | ||
47 | } | ||
48 | perror(fileName); | ||
49 | return (FALSE); | ||
50 | } | ||
51 | |||
52 | int chown_main(int argc, char **argv) | ||
53 | { | ||
54 | int opt; | ||
55 | int recursiveFlag = FALSE; | ||
56 | char *groupName=NULL; | ||
57 | char *p=NULL; | ||
58 | |||
59 | /* do normal option parsing */ | ||
60 | while ((opt = getopt(argc, argv, "R")) > 0) { | ||
61 | switch (opt) { | ||
62 | case 'R': | ||
63 | recursiveFlag = TRUE; | ||
64 | default: | ||
65 | show_usage(); | ||
66 | } | ||
67 | } | ||
68 | |||
69 | if (argc > optind && argc > 2 && argv[optind]) { | ||
70 | /* First, check if there is a group name here */ | ||
71 | groupName = strchr(argv[optind], '.'); | ||
72 | if (groupName == NULL) | ||
73 | groupName = strchr(argv[optind], ':'); | ||
74 | if (groupName) { | ||
75 | *groupName++ = '\0'; | ||
76 | gid = strtoul(groupName, &p, 10); | ||
77 | if (groupName == p) | ||
78 | gid = my_getgrnam(groupName); | ||
79 | } else { | ||
80 | gid = -1; | ||
81 | } | ||
82 | /* Now check for the username */ | ||
83 | uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */ | ||
84 | if (argv[optind] == p) { | ||
85 | uid = my_getpwnam(argv[optind]); | ||
86 | } | ||
87 | } else { | ||
88 | error_msg_and_die(too_few_args); | ||
89 | } | ||
90 | |||
91 | /* Ok, ready to do the deed now */ | ||
92 | while (optind++ < argc) { | ||
93 | if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, | ||
94 | fileAction, fileAction, NULL) == FALSE) { | ||
95 | return EXIT_FAILURE; | ||
96 | } | ||
97 | } | ||
98 | return EXIT_SUCCESS; | ||
99 | |||
100 | } | ||
101 | |||
102 | /* | ||
103 | Local Variables: | ||
104 | c-file-style: "linux" | ||
105 | c-basic-offset: 4 | ||
106 | tab-width: 4 | ||
107 | End: | ||
108 | */ | ||