Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 3 | * Mini ar implementation for busybox |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 4 | * |
| 5 | * Copyright (C) 2000 by Glenn McGrath |
Glenn L McGrath | c6992fe | 2004-04-25 05:11:19 +0000 | [diff] [blame] | 6 | * Written by Glenn McGrath <bug1@iinet.net.au> 1 June 2000 |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 7 | * |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 8 | * Based in part on BusyBox tar, Debian dpkg-deb and GNU ar. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 24 | * There is no single standard to adhere to so ar may not portable |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 25 | * between different systems |
| 26 | * http://www.unix-systems.org/single_unix_specification_v2/xcu/ar.html |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 27 | */ |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 28 | |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 29 | #include <fcntl.h> |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 30 | #include <stdio.h> |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 31 | #include <stdlib.h> |
Glenn L McGrath | eb1c940 | 2001-06-20 07:48:00 +0000 | [diff] [blame] | 32 | #include <string.h> |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 33 | #include <time.h> |
| 34 | #include <utime.h> |
| 35 | #include <unistd.h> |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 36 | |
Glenn L McGrath | ef0eab5 | 2001-10-25 14:49:48 +0000 | [diff] [blame] | 37 | #include "unarchive.h" |
Eric Andersen | 3570a34 | 2000-09-25 21:45:58 +0000 | [diff] [blame] | 38 | #include "busybox.h" |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 39 | |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 40 | static void header_verbose_list_ar(const file_header_t *file_header) |
| 41 | { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 42 | const char *mode = bb_mode_string(file_header->mode); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 43 | char *mtime; |
| 44 | |
| 45 | mtime = ctime(&file_header->mtime); |
| 46 | mtime[16] = ' '; |
| 47 | memmove(&mtime[17], &mtime[20], 4); |
| 48 | mtime[21] = '\0'; |
| 49 | printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid, (int) file_header->size, &mtime[4], file_header->name); |
| 50 | } |
| 51 | |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 52 | #define AR_CTX_PRINT 0x01 |
| 53 | #define AR_CTX_LIST 0x02 |
| 54 | #define AR_CTX_EXTRACT 0x04 |
Eric Andersen | d952ee2 | 2004-10-07 00:35:59 +0000 | [diff] [blame] | 55 | #define AR_OPT_PRESERVE_DATE 0x08 |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 56 | #define AR_OPT_VERBOSE 0x10 |
| 57 | #define AR_OPT_CREATE 0x20 |
| 58 | #define AR_OPT_INSERT 0x40 |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 59 | |
Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 60 | int ar_main(int argc, char **argv) |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 61 | { |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 62 | archive_handle_t *archive_handle; |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 63 | unsigned long opt; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 64 | static const char msg_unsupported_err[] = |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 65 | "Archive %s not supported. Install binutils 'ar'."; |
Glenn L McGrath | a47a3ea | 2002-09-26 16:01:21 +0000 | [diff] [blame] | 66 | char magic[8]; |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 67 | |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 68 | archive_handle = init_handle(); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 69 | |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 70 | /* Prepend '-' to the first argument if required */ |
"Vladimir N. Oleynik" | f704b27 | 2005-10-14 09:56:52 +0000 | [diff] [blame] | 71 | bb_opt_complementally = "--:p:t:x:-1:?:p--tx:t--px:x--pt"; |
Mike Frysinger | ae38d65 | 2005-05-09 21:51:41 +0000 | [diff] [blame] | 72 | opt = bb_getopt_ulflags(argc, argv, "ptxovcr"); |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 73 | |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 74 | if (opt & AR_CTX_PRINT) { |
| 75 | archive_handle->action_data = data_extract_to_stdout; |
| 76 | } |
| 77 | if (opt & AR_CTX_LIST) { |
| 78 | archive_handle->action_header = header_list; |
| 79 | } |
| 80 | if (opt & AR_CTX_EXTRACT) { |
| 81 | archive_handle->action_data = data_extract_all; |
| 82 | } |
| 83 | if (opt & AR_OPT_PRESERVE_DATE) { |
| 84 | archive_handle->flags |= ARCHIVE_PRESERVE_DATE; |
| 85 | } |
| 86 | if (opt & AR_OPT_VERBOSE) { |
| 87 | archive_handle->action_header = header_verbose_list_ar; |
| 88 | } |
Eric Andersen | d952ee2 | 2004-10-07 00:35:59 +0000 | [diff] [blame] | 89 | if (opt & AR_OPT_CREATE) { |
Mike Frysinger | ae38d65 | 2005-05-09 21:51:41 +0000 | [diff] [blame] | 90 | bb_error_msg_and_die(msg_unsupported_err, "creation"); |
| 91 | } |
| 92 | if (opt & AR_OPT_INSERT) { |
| 93 | bb_error_msg_and_die(msg_unsupported_err, "insertion"); |
Eric Andersen | d952ee2 | 2004-10-07 00:35:59 +0000 | [diff] [blame] | 94 | } |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 95 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 96 | archive_handle->src_fd = bb_xopen(argv[optind++], O_RDONLY); |
Matt Kraai | d995493 | 2000-09-22 03:36:27 +0000 | [diff] [blame] | 97 | |
Glenn L McGrath | eb1c940 | 2001-06-20 07:48:00 +0000 | [diff] [blame] | 98 | while (optind < argc) { |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 99 | archive_handle->filter = filter_accept_list; |
Rob Landley | 8bb5078 | 2006-05-26 23:44:51 +0000 | [diff] [blame^] | 100 | llist_add_to(&(archive_handle->accept), argv[optind++]); |
Glenn L McGrath | 4f1b012 | 2000-12-15 06:50:09 +0000 | [diff] [blame] | 101 | } |
Glenn L McGrath | 4949faf | 2001-04-11 16:23:35 +0000 | [diff] [blame] | 102 | |
Glenn L McGrath | 237ae42 | 2002-11-03 14:05:15 +0000 | [diff] [blame] | 103 | archive_xread_all(archive_handle, magic, 7); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 104 | if (strncmp(magic, "!<arch>", 7) != 0) { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 105 | bb_error_msg_and_die("Invalid ar magic"); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 106 | } |
| 107 | archive_handle->offset += 7; |
| 108 | |
| 109 | while (get_header_ar(archive_handle) == EXIT_SUCCESS); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 110 | |
Matt Kraai | 3e856ce | 2000-12-01 02:55:13 +0000 | [diff] [blame] | 111 | return EXIT_SUCCESS; |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 112 | } |