Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 3 | * Mini chown implementation for busybox |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 4 | * |
Eric Andersen | bdfd0d7 | 2001-10-24 05:00:29 +0000 | [diff] [blame] | 5 | * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen |
| 6 | * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org> |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <string.h> |
| 27 | #include <unistd.h> |
| 28 | #include "busybox.h" |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 29 | |
| 30 | /* Don't use lchown for libc5 or glibc older then 2.1.x */ |
Eric Andersen | c57a75d | 2001-04-25 17:12:33 +0000 | [diff] [blame] | 31 | #if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1) |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 32 | #define lchown chown |
| 33 | #endif |
| 34 | |
Eric Andersen | 65504ac | 2001-04-30 18:07:24 +0000 | [diff] [blame] | 35 | static long uid; |
| 36 | static long gid; |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 37 | |
Glenn L McGrath | a88cb50 | 2003-02-08 23:36:16 +0000 | [diff] [blame^] | 38 | static int (*chown_func)(const char *, uid_t, gid_t) = chown; |
Eric Andersen | 2b02ab9 | 2001-05-11 15:55:41 +0000 | [diff] [blame] | 39 | |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 40 | static int fileAction(const char *fileName, struct stat *statbuf, void* junk) |
| 41 | { |
Eric Andersen | 2b02ab9 | 2001-05-11 15:55:41 +0000 | [diff] [blame] | 42 | if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 43 | return (TRUE); |
| 44 | } |
| 45 | perror(fileName); |
| 46 | return (FALSE); |
| 47 | } |
| 48 | |
| 49 | int chown_main(int argc, char **argv) |
| 50 | { |
| 51 | int opt; |
Eric Andersen | 2b02ab9 | 2001-05-11 15:55:41 +0000 | [diff] [blame] | 52 | int recursiveFlag = FALSE, |
| 53 | noderefFlag = FALSE; |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 54 | char *groupName=NULL; |
| 55 | char *p=NULL; |
| 56 | |
| 57 | /* do normal option parsing */ |
Eric Andersen | 2b02ab9 | 2001-05-11 15:55:41 +0000 | [diff] [blame] | 58 | while ((opt = getopt(argc, argv, "Rh")) > 0) { |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 59 | switch (opt) { |
| 60 | case 'R': |
| 61 | recursiveFlag = TRUE; |
Matt Kraai | 468f504 | 2001-04-26 18:27:47 +0000 | [diff] [blame] | 62 | break; |
Eric Andersen | 2b02ab9 | 2001-05-11 15:55:41 +0000 | [diff] [blame] | 63 | case 'h': |
| 64 | noderefFlag = TRUE; |
| 65 | break; |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 66 | default: |
| 67 | show_usage(); |
| 68 | } |
| 69 | } |
| 70 | |
Eric Andersen | 2b02ab9 | 2001-05-11 15:55:41 +0000 | [diff] [blame] | 71 | if (noderefFlag) chown_func = lchown; |
| 72 | |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 73 | if (argc > optind && argc > 2 && argv[optind]) { |
| 74 | /* First, check if there is a group name here */ |
| 75 | groupName = strchr(argv[optind], '.'); |
| 76 | if (groupName == NULL) |
| 77 | groupName = strchr(argv[optind], ':'); |
| 78 | if (groupName) { |
| 79 | *groupName++ = '\0'; |
| 80 | gid = strtoul(groupName, &p, 10); |
| 81 | if (groupName == p) |
| 82 | gid = my_getgrnam(groupName); |
| 83 | } else { |
| 84 | gid = -1; |
| 85 | } |
| 86 | /* Now check for the username */ |
| 87 | uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */ |
| 88 | if (argv[optind] == p) { |
| 89 | uid = my_getpwnam(argv[optind]); |
| 90 | } |
| 91 | } else { |
| 92 | error_msg_and_die(too_few_args); |
| 93 | } |
| 94 | |
| 95 | /* Ok, ready to do the deed now */ |
Eric Andersen | 3c3277f | 2001-04-26 15:41:51 +0000 | [diff] [blame] | 96 | while (++optind < argc) { |
Matt Kraai | 1f0c436 | 2001-12-20 23:13:26 +0000 | [diff] [blame] | 97 | if (! recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, |
| 98 | fileAction, fileAction, NULL)) { |
Eric Andersen | 9f0fedb | 2001-04-24 18:07:19 +0000 | [diff] [blame] | 99 | return EXIT_FAILURE; |
| 100 | } |
| 101 | } |
| 102 | return EXIT_SUCCESS; |
| 103 | |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | Local Variables: |
| 108 | c-file-style: "linux" |
| 109 | c-basic-offset: 4 |
| 110 | tab-width: 4 |
| 111 | End: |
| 112 | */ |