| Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame^] | 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 | */ |