1 /* vi: set sw=4 ts=4: */
3 * dpkg-deb packs, unpacks and provides information about Debian archives.
5 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
10 #define DPKG_DEB_OPT_CONTENTS 1
11 #define DPKG_DEB_OPT_CONTROL 2
12 #define DPKG_DEB_OPT_FIELD 4
13 #define DPKG_DEB_OPT_EXTRACT 8
14 #define DPKG_DEB_OPT_EXTRACT_VERBOSE 16
16 int dpkg_deb_main(int argc, char **argv);
17 int dpkg_deb_main(int argc, char **argv)
19 archive_handle_t *ar_archive;
20 archive_handle_t *tar_archive;
21 llist_t *control_tar_llist = NULL;
23 const char *extract_dir = NULL;
26 /* Setup the tar archive handle */
27 tar_archive = init_handle();
29 /* Setup an ar archive handle that refers to the gzip sub archive */
30 ar_archive = init_handle();
31 ar_archive->sub_archive = tar_archive;
32 ar_archive->filter = filter_accept_list_reassign;
34 #ifdef CONFIG_FEATURE_DEB_TAR_GZ
35 llist_add_to(&(ar_archive->accept), (char*)"data.tar.gz");
36 llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
39 #ifdef CONFIG_FEATURE_DEB_TAR_BZ2
40 llist_add_to(&(ar_archive->accept), (char*)"data.tar.bz2");
41 llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
44 opt_complementary = "?c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
45 opt = getopt32(argc, argv, "cefXx");
47 if (opt & DPKG_DEB_OPT_CONTENTS) {
48 tar_archive->action_header = header_verbose_list;
50 if (opt & DPKG_DEB_OPT_CONTROL) {
51 ar_archive->accept = control_tar_llist;
52 tar_archive->action_data = data_extract_all;
53 if (optind + 1 == argc) {
54 extract_dir = "./DEBIAN";
59 if (opt & DPKG_DEB_OPT_FIELD) {
60 /* Print the entire control file
61 * it should accept a second argument which specifies a
62 * specific field to print */
63 ar_archive->accept = control_tar_llist;
64 llist_add_to(&(tar_archive->accept), (char*)"./control");
65 tar_archive->filter = filter_accept_list;
66 tar_archive->action_data = data_extract_to_stdout;
68 if (opt & DPKG_DEB_OPT_EXTRACT) {
69 tar_archive->action_header = header_list;
71 if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
72 tar_archive->action_data = data_extract_all;
76 if ((optind + argcount) != argc) {
80 tar_archive->src_fd = ar_archive->src_fd = xopen(argv[optind++], O_RDONLY);
82 /* Workout where to extract the files */
83 /* 2nd argument is a dir name */
85 extract_dir = argv[optind];
88 mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
91 unpack_ar_archive(ar_archive);
94 close(ar_archive->src_fd);