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 source tree.
8 //usage:#define dpkg_deb_trivial_usage
9 //usage: "[-cefxX] FILE [argument"
10 //usage:#define dpkg_deb_full_usage "\n\n"
11 //usage: "Perform actions on Debian packages (.debs)\n"
12 //usage: "\n -c List contents of filesystem tree"
13 //usage: "\n -e Extract control files to [argument] directory"
14 //usage: "\n -f Display control field name starting with [argument]"
15 //usage: "\n -x Extract packages filesystem tree to directory"
16 //usage: "\n -X Verbose extract"
18 //usage:#define dpkg_deb_example_usage
19 //usage: "$ dpkg-deb -X ./busybox_0.48-1_i386.deb /tmp\n"
22 #include "bb_archive.h"
24 #define DPKG_DEB_OPT_CONTENTS 1
25 #define DPKG_DEB_OPT_CONTROL 2
26 #define DPKG_DEB_OPT_FIELD 4
27 #define DPKG_DEB_OPT_EXTRACT 8
28 #define DPKG_DEB_OPT_EXTRACT_VERBOSE 16
30 int dpkg_deb_main(int argc
, char **argv
) MAIN_EXTERNALLY_VISIBLE
;
31 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 const char *extract_dir
;
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
->dpkg__sub_archive
= tar_archive
;
46 ar_archive
->filter
= filter_accept_list_reassign
;
48 #if ENABLE_FEATURE_SEAMLESS_GZ
49 llist_add_to(&ar_archive
->accept
, (char*)"data.tar.gz");
50 llist_add_to(&control_tar_llist
, (char*)"control.tar.gz");
52 #if ENABLE_FEATURE_SEAMLESS_BZ2
53 llist_add_to(&ar_archive
->accept
, (char*)"data.tar.bz2");
54 llist_add_to(&control_tar_llist
, (char*)"control.tar.bz2");
56 #if ENABLE_FEATURE_SEAMLESS_LZMA
57 llist_add_to(&ar_archive
->accept
, (char*)"data.tar.lzma");
58 llist_add_to(&control_tar_llist
, (char*)"control.tar.lzma");
61 opt_complementary
= "c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
62 opt
= getopt32(argv
, "cefXx");
66 if (opt
& DPKG_DEB_OPT_CONTENTS
) {
67 tar_archive
->action_header
= header_verbose_list
;
71 if (opt
& DPKG_DEB_OPT_CONTROL
) {
72 ar_archive
->accept
= control_tar_llist
;
73 tar_archive
->action_data
= data_extract_all
;
75 extract_dir
= "./DEBIAN";
80 if (opt
& DPKG_DEB_OPT_FIELD
) {
81 /* Print the entire control file
82 * it should accept a second argument which specifies a
83 * specific field to print */
84 ar_archive
->accept
= control_tar_llist
;
85 llist_add_to(&(tar_archive
->accept
), (char*)"./control");
86 tar_archive
->filter
= filter_accept_list
;
87 tar_archive
->action_data
= data_extract_to_stdout
;
89 if (opt
& DPKG_DEB_OPT_EXTRACT
) {
90 tar_archive
->action_header
= header_list
;
92 if (opt
& (DPKG_DEB_OPT_EXTRACT_VERBOSE
| DPKG_DEB_OPT_EXTRACT
)) {
93 tar_archive
->action_data
= data_extract_all
;
97 if (need_args
!= argc
) {
101 tar_archive
->src_fd
= ar_archive
->src_fd
= xopen(argv
[0], O_RDONLY
);
103 /* Work out where to extract the files */
104 /* 2nd argument is a dir name */
106 extract_dir
= argv
[1];
109 mkdir(extract_dir
, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
114 unpack_ar_archive(ar_archive
);
117 if (ENABLE_FEATURE_CLEAN_UP
)
118 close(ar_archive
->src_fd
);