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) MAIN_EXTERNALLY_VISIBLE;
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;
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->dpkg__sub_archive = tar_archive;
32 ar_archive->filter = filter_accept_list_reassign;
34 #if ENABLE_FEATURE_SEAMLESS_GZ
35 llist_add_to(&ar_archive->accept, (char*)"data.tar.gz");
36 llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
38 #if ENABLE_FEATURE_SEAMLESS_BZ2
39 llist_add_to(&ar_archive->accept, (char*)"data.tar.bz2");
40 llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
42 #if ENABLE_FEATURE_SEAMLESS_LZMA
43 llist_add_to(&ar_archive->accept, (char*)"data.tar.lzma");
44 llist_add_to(&control_tar_llist, (char*)"control.tar.lzma");
47 opt_complementary = "c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
48 opt = getopt32(argv, "cefXx");
52 if (opt & DPKG_DEB_OPT_CONTENTS) {
53 tar_archive->action_header = header_verbose_list;
57 if (opt & DPKG_DEB_OPT_CONTROL) {
58 ar_archive->accept = control_tar_llist;
59 tar_archive->action_data = data_extract_all;
61 extract_dir = "./DEBIAN";
66 if (opt & DPKG_DEB_OPT_FIELD) {
67 /* Print the entire control file
68 * it should accept a second argument which specifies a
69 * specific field to print */
70 ar_archive->accept = control_tar_llist;
71 llist_add_to(&(tar_archive->accept), (char*)"./control");
72 tar_archive->filter = filter_accept_list;
73 tar_archive->action_data = data_extract_to_stdout;
75 if (opt & DPKG_DEB_OPT_EXTRACT) {
76 tar_archive->action_header = header_list;
78 if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
79 tar_archive->action_data = data_extract_all;
83 if (need_args != argc) {
87 tar_archive->src_fd = ar_archive->src_fd = xopen(argv[0], O_RDONLY);
89 /* Work out where to extract the files */
90 /* 2nd argument is a dir name */
92 extract_dir = argv[1];
95 mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
100 unpack_ar_archive(ar_archive);
103 if (ENABLE_FEATURE_CLEAN_UP)
104 close(ar_archive->src_fd);