2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU Library General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include "unarchive.h"
25 #define DPKG_DEB_OPT_CONTENTS 1
26 #define DPKG_DEB_OPT_CONTROL 2
27 #define DPKG_DEB_OPT_FIELD 4
28 #define DPKG_DEB_OPT_EXTRACT 8
29 #define DPKG_DEB_OPT_EXTRACT_VERBOSE 16
31 extern int dpkg_deb_main(int argc, char **argv)
33 archive_handle_t *ar_archive;
34 archive_handle_t *tar_archive;
35 llist_t *control_tar_llist = NULL;
37 char *extract_dir = NULL;
40 /* Setup the tar archive handle */
41 tar_archive = init_handle();
43 /* Setup an ar archive handle that refers to the gzip sub archive */
44 ar_archive = init_handle();
45 ar_archive->sub_archive = tar_archive;
46 ar_archive->filter = filter_accept_list_reassign;
48 #ifdef CONFIG_FEATURE_DEB_TAR_GZ
49 ar_archive->accept = llist_add_to(NULL, "data.tar.gz");
50 control_tar_llist = llist_add_to(NULL, "control.tar.gz");
53 #ifdef CONFIG_FEATURE_DEB_TAR_BZ2
54 ar_archive->accept = llist_add_to(ar_archive->accept, "data.tar.bz2");
55 control_tar_llist = llist_add_to(control_tar_llist, "control.tar.bz2");
58 bb_opt_complementally = "?c~efXx:e~cfXx:f~ceXx:X~cefx:x~cefX";
59 opt = bb_getopt_ulflags(argc, argv, "cefXx");
61 if (opt & DPKG_DEB_OPT_CONTENTS) {
62 tar_archive->action_header = header_verbose_list;
64 if (opt & DPKG_DEB_OPT_CONTROL) {
65 ar_archive->accept = control_tar_llist;
66 tar_archive->action_data = data_extract_all;
67 if (optind + 1 == argc) {
68 extract_dir = "./DEBIAN";
73 if (opt & DPKG_DEB_OPT_FIELD) {
74 /* Print the entire control file
75 * it should accept a second argument which specifies a
76 * specific field to print */
77 ar_archive->accept = control_tar_llist;
78 tar_archive->accept = llist_add_to(NULL, "./control");
79 tar_archive->filter = filter_accept_list;
80 tar_archive->action_data = data_extract_to_stdout;
82 if (opt & DPKG_DEB_OPT_EXTRACT) {
83 tar_archive->action_header = header_list;
85 if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
86 tar_archive->action_data = data_extract_all;
90 if ((optind + argcount) != argc) {
94 tar_archive->src_fd = ar_archive->src_fd = bb_xopen(argv[optind++], O_RDONLY);
96 /* Workout where to extract the files */
97 /* 2nd argument is a dir name */
99 extract_dir = argv[optind];
102 mkdir(extract_dir, 0777);
105 unpack_ar_archive(ar_archive);
108 close (ar_archive->src_fd);
110 return(EXIT_SUCCESS);