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 | * |
"Robert P. J. Day" | 801ab14 | 2006-07-12 07:56:04 +0000 | [diff] [blame] | 10 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 11 | * |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 12 | * 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] | 13 | * between different systems |
| 14 | * http://www.unix-systems.org/single_unix_specification_v2/xcu/ar.html |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 15 | */ |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 16 | |
Eric Andersen | 3570a34 | 2000-09-25 21:45:58 +0000 | [diff] [blame] | 17 | #include "busybox.h" |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 18 | #include "unarchive.h" |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 19 | |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 20 | static void header_verbose_list_ar(const file_header_t *file_header) |
| 21 | { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 22 | const char *mode = bb_mode_string(file_header->mode); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 23 | char *mtime; |
| 24 | |
| 25 | mtime = ctime(&file_header->mtime); |
| 26 | mtime[16] = ' '; |
| 27 | memmove(&mtime[17], &mtime[20], 4); |
| 28 | mtime[21] = '\0'; |
Denis Vlasenko | ce97960 | 2006-09-27 23:31:08 +0000 | [diff] [blame] | 29 | printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid, |
| 30 | (int) file_header->size, &mtime[4], file_header->name); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 31 | } |
| 32 | |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 33 | #define AR_CTX_PRINT 0x01 |
| 34 | #define AR_CTX_LIST 0x02 |
| 35 | #define AR_CTX_EXTRACT 0x04 |
Eric Andersen | d952ee2 | 2004-10-07 00:35:59 +0000 | [diff] [blame] | 36 | #define AR_OPT_PRESERVE_DATE 0x08 |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 37 | #define AR_OPT_VERBOSE 0x10 |
| 38 | #define AR_OPT_CREATE 0x20 |
| 39 | #define AR_OPT_INSERT 0x40 |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 40 | |
Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 41 | int ar_main(int argc, char **argv) |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 42 | { |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 43 | archive_handle_t *archive_handle; |
Denis Vlasenko | 67b23e6 | 2006-10-03 21:00:06 +0000 | [diff] [blame^] | 44 | unsigned opt; |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 45 | static const char msg_unsupported_err[] = |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 46 | "Archive %s not supported. Install binutils 'ar'."; |
Glenn L McGrath | a47a3ea | 2002-09-26 16:01:21 +0000 | [diff] [blame] | 47 | char magic[8]; |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 48 | |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 49 | archive_handle = init_handle(); |
Tim Riker | c1ef7bd | 2006-01-25 00:08:53 +0000 | [diff] [blame] | 50 | |
"Vladimir N. Oleynik" | f1ab127 | 2005-10-12 08:34:27 +0000 | [diff] [blame] | 51 | /* Prepend '-' to the first argument if required */ |
Denis Vlasenko | 67b23e6 | 2006-10-03 21:00:06 +0000 | [diff] [blame^] | 52 | opt_complementary = "--:p:t:x:-1:?:p--tx:t--px:x--pt"; |
| 53 | opt = getopt32(argc, argv, "ptxovcr"); |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 54 | |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 55 | if (opt & AR_CTX_PRINT) { |
| 56 | archive_handle->action_data = data_extract_to_stdout; |
| 57 | } |
| 58 | if (opt & AR_CTX_LIST) { |
| 59 | archive_handle->action_header = header_list; |
| 60 | } |
| 61 | if (opt & AR_CTX_EXTRACT) { |
| 62 | archive_handle->action_data = data_extract_all; |
| 63 | } |
| 64 | if (opt & AR_OPT_PRESERVE_DATE) { |
| 65 | archive_handle->flags |= ARCHIVE_PRESERVE_DATE; |
| 66 | } |
| 67 | if (opt & AR_OPT_VERBOSE) { |
| 68 | archive_handle->action_header = header_verbose_list_ar; |
| 69 | } |
Eric Andersen | d952ee2 | 2004-10-07 00:35:59 +0000 | [diff] [blame] | 70 | if (opt & AR_OPT_CREATE) { |
Mike Frysinger | ae38d65 | 2005-05-09 21:51:41 +0000 | [diff] [blame] | 71 | bb_error_msg_and_die(msg_unsupported_err, "creation"); |
| 72 | } |
| 73 | if (opt & AR_OPT_INSERT) { |
| 74 | bb_error_msg_and_die(msg_unsupported_err, "insertion"); |
Eric Andersen | d952ee2 | 2004-10-07 00:35:59 +0000 | [diff] [blame] | 75 | } |
Glenn L McGrath | 930453b | 2004-01-04 10:28:22 +0000 | [diff] [blame] | 76 | |
Rob Landley | d921b2e | 2006-08-03 15:41:12 +0000 | [diff] [blame] | 77 | archive_handle->src_fd = xopen(argv[optind++], O_RDONLY); |
Matt Kraai | d995493 | 2000-09-22 03:36:27 +0000 | [diff] [blame] | 78 | |
Glenn L McGrath | eb1c940 | 2001-06-20 07:48:00 +0000 | [diff] [blame] | 79 | while (optind < argc) { |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 80 | archive_handle->filter = filter_accept_list; |
Rob Landley | 8bb5078 | 2006-05-26 23:44:51 +0000 | [diff] [blame] | 81 | llist_add_to(&(archive_handle->accept), argv[optind++]); |
Glenn L McGrath | 4f1b012 | 2000-12-15 06:50:09 +0000 | [diff] [blame] | 82 | } |
Glenn L McGrath | 4949faf | 2001-04-11 16:23:35 +0000 | [diff] [blame] | 83 | |
Rob Landley | 5343747 | 2006-07-16 08:14:35 +0000 | [diff] [blame] | 84 | xread(archive_handle->src_fd, magic, 7); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 85 | if (strncmp(magic, "!<arch>", 7) != 0) { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 86 | bb_error_msg_and_die("Invalid ar magic"); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 87 | } |
| 88 | archive_handle->offset += 7; |
| 89 | |
| 90 | while (get_header_ar(archive_handle) == EXIT_SUCCESS); |
Glenn L McGrath | 7ca04f3 | 2002-09-25 02:47:48 +0000 | [diff] [blame] | 91 | |
Matt Kraai | 3e856ce | 2000-12-01 02:55:13 +0000 | [diff] [blame] | 92 | return EXIT_SUCCESS; |
Eric Andersen | 86ab8a3 | 2000-06-02 03:21:42 +0000 | [diff] [blame] | 93 | } |