diff options
Diffstat (limited to 'chgrp.c')
-rw-r--r-- | chgrp.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/chgrp.c b/chgrp.c new file mode 100644 index 000000000..739d09fb6 --- /dev/null +++ b/chgrp.c | |||
@@ -0,0 +1,94 @@ | |||
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_invalid_option | ||
32 | #define bb_need_too_few_args | ||
33 | #include "messages.c" | ||
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 | |||
41 | static long gid = -1; | ||
42 | |||
43 | static int fileAction(const char *fileName, struct stat *statbuf, void* junk) | ||
44 | { | ||
45 | if (lchown(fileName, statbuf->st_uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { | ||
46 | return (TRUE); | ||
47 | } | ||
48 | perror(fileName); | ||
49 | return (FALSE); | ||
50 | } | ||
51 | |||
52 | int chgrp_main(int argc, char **argv) | ||
53 | { | ||
54 | int opt; | ||
55 | int recursiveFlag = FALSE; | ||
56 | char *p=NULL; | ||
57 | |||
58 | /* do normal option parsing */ | ||
59 | while ((opt = getopt(argc, argv, "R")) > 0) { | ||
60 | switch (opt) { | ||
61 | case 'R': | ||
62 | recursiveFlag = TRUE; | ||
63 | default: | ||
64 | show_usage(); | ||
65 | } | ||
66 | } | ||
67 | |||
68 | if (argc > optind && argc > 2 && argv[optind]) { | ||
69 | /* Find the selected group */ | ||
70 | gid = strtoul(argv[optind], &p, 10); /* maybe it's already numeric */ | ||
71 | if (argv[optind] == p) | ||
72 | gid = my_getgrnam(argv[optind]); | ||
73 | } else { | ||
74 | error_msg_and_die(too_few_args); | ||
75 | } | ||
76 | |||
77 | /* Ok, ready to do the deed now */ | ||
78 | while (optind++ < argc) { | ||
79 | if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, | ||
80 | fileAction, fileAction, NULL) == FALSE) { | ||
81 | return EXIT_FAILURE; | ||
82 | } | ||
83 | } | ||
84 | return EXIT_SUCCESS; | ||
85 | |||
86 | } | ||
87 | |||
88 | /* | ||
89 | Local Variables: | ||
90 | c-file-style: "linux" | ||
91 | c-basic-offset: 4 | ||
92 | tab-width: 4 | ||
93 | End: | ||
94 | */ | ||