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.
21 #include "unarchive.h"
24 extern int dpkg_deb_main(int argc, char **argv)
26 archive_handle_t *ar_archive;
27 archive_handle_t *tar_gz_archive;
29 #ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
30 const llist_t *control_tar_gz_llist = add_to_list(NULL, "control.tar.gz");
36 /* a .deb file is an ar archive that contain three files,
37 * data.tar.gz, control.tar.gz and debian
40 /* Setup the tar archive handle */
41 tar_gz_archive = init_handle();
43 /* Setup an ar archive handle that refers to the gzip sub archive */
44 ar_archive = init_handle();
45 ar_archive->action_data_subarchive = get_header_tar_gz;
46 ar_archive->sub_archive = tar_gz_archive;
47 ar_archive->filter = filter_accept_list;
48 ar_archive->accept = add_to_list(NULL, "data.tar.gz");
50 #ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
51 while ((opt = getopt(argc, argv, "cefXx")) != -1) {
53 while ((opt = getopt(argc, argv, "x")) != -1) {
56 #ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
58 tar_gz_archive->action_header = header_verbose_list;
61 ar_archive->accept = control_tar_gz_llist;
62 tar_gz_archive->action_data = data_extract_all;
65 /* Print the entire control file
66 * it should accept a second argument which specifies a
67 * specific field to print */
68 ar_archive->accept = control_tar_gz_llist;
69 tar_gz_archive->accept = add_to_list(NULL, "./control");;
70 tar_gz_archive->filter = filter_accept_list;
71 tar_gz_archive->action_data = data_extract_to_stdout;
74 tar_gz_archive->action_header = header_list;
77 tar_gz_archive->action_data = data_extract_all;
84 if (optind + 2 < argc) {
88 tar_gz_archive->src_fd = ar_archive->src_fd = xopen(argv[optind++], O_RDONLY);
90 /* Workout where to extract the files */
91 /* 2nd argument is a dir name */
92 mkdir(argv[optind], 0777);
96 unpack_ar_archive(ar_archive);
98 xread_all(ar_archive->src_fd, magic, 7);
99 if (strncmp(magic, "!<arch>", 7) != 0) {
100 error_msg_and_die("Invalid ar magic");
102 ar_archive->offset += 7;
104 while (get_header_ar(ar_archive) == EXIT_SUCCESS);
108 close (ar_archive->src_fd);
110 return(EXIT_SUCCESS);