| 1 | /* vi: set sw=4 ts=4: */
|
|---|
| 2 | /*
|
|---|
| 3 | * dpkg-deb packs, unpacks and provides information about Debian archives.
|
|---|
| 4 | *
|
|---|
| 5 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|---|
| 6 | */
|
|---|
| 7 | #include <fcntl.h>
|
|---|
| 8 | #include <stdlib.h>
|
|---|
| 9 | #include <string.h>
|
|---|
| 10 | #include <unistd.h>
|
|---|
| 11 |
|
|---|
| 12 | #include "unarchive.h"
|
|---|
| 13 | #include "busybox.h"
|
|---|
| 14 |
|
|---|
| 15 | #define DPKG_DEB_OPT_CONTENTS 1
|
|---|
| 16 | #define DPKG_DEB_OPT_CONTROL 2
|
|---|
| 17 | #define DPKG_DEB_OPT_FIELD 4
|
|---|
| 18 | #define DPKG_DEB_OPT_EXTRACT 8
|
|---|
| 19 | #define DPKG_DEB_OPT_EXTRACT_VERBOSE 16
|
|---|
| 20 |
|
|---|
| 21 | int dpkg_deb_main(int argc, char **argv)
|
|---|
| 22 | {
|
|---|
| 23 | archive_handle_t *ar_archive;
|
|---|
| 24 | archive_handle_t *tar_archive;
|
|---|
| 25 | llist_t *control_tar_llist = NULL;
|
|---|
| 26 | unsigned long opt;
|
|---|
| 27 | char *extract_dir = NULL;
|
|---|
| 28 | short argcount = 1;
|
|---|
| 29 |
|
|---|
| 30 | /* Setup the tar archive handle */
|
|---|
| 31 | tar_archive = init_handle();
|
|---|
| 32 |
|
|---|
| 33 | /* Setup an ar archive handle that refers to the gzip sub archive */
|
|---|
| 34 | ar_archive = init_handle();
|
|---|
| 35 | ar_archive->sub_archive = tar_archive;
|
|---|
| 36 | ar_archive->filter = filter_accept_list_reassign;
|
|---|
| 37 |
|
|---|
| 38 | #ifdef CONFIG_FEATURE_DEB_TAR_GZ
|
|---|
| 39 | llist_add_to(&(ar_archive->accept), "data.tar.gz");
|
|---|
| 40 | llist_add_to(&control_tar_llist, "control.tar.gz");
|
|---|
| 41 | #endif
|
|---|
| 42 |
|
|---|
| 43 | #ifdef CONFIG_FEATURE_DEB_TAR_BZ2
|
|---|
| 44 | llist_add_to(&(ar_archive->accept), "data.tar.bz2");
|
|---|
| 45 | llist_add_to(&control_tar_llist, "control.tar.bz2");
|
|---|
| 46 | #endif
|
|---|
| 47 |
|
|---|
| 48 | bb_opt_complementally = "?c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
|
|---|
| 49 | opt = bb_getopt_ulflags(argc, argv, "cefXx");
|
|---|
| 50 |
|
|---|
| 51 | if (opt & DPKG_DEB_OPT_CONTENTS) {
|
|---|
| 52 | tar_archive->action_header = header_verbose_list;
|
|---|
| 53 | }
|
|---|
| 54 | if (opt & DPKG_DEB_OPT_CONTROL) {
|
|---|
| 55 | ar_archive->accept = control_tar_llist;
|
|---|
| 56 | tar_archive->action_data = data_extract_all;
|
|---|
| 57 | if (optind + 1 == argc) {
|
|---|
| 58 | extract_dir = "./DEBIAN";
|
|---|
| 59 | } else {
|
|---|
| 60 | argcount++;
|
|---|
| 61 | }
|
|---|
| 62 | }
|
|---|
| 63 | if (opt & DPKG_DEB_OPT_FIELD) {
|
|---|
| 64 | /* Print the entire control file
|
|---|
| 65 | * it should accept a second argument which specifies a
|
|---|
| 66 | * specific field to print */
|
|---|
| 67 | ar_archive->accept = control_tar_llist;
|
|---|
| 68 | llist_add_to(&(tar_archive->accept), "./control");
|
|---|
| 69 | tar_archive->filter = filter_accept_list;
|
|---|
| 70 | tar_archive->action_data = data_extract_to_stdout;
|
|---|
| 71 | }
|
|---|
| 72 | if (opt & DPKG_DEB_OPT_EXTRACT) {
|
|---|
| 73 | tar_archive->action_header = header_list;
|
|---|
| 74 | }
|
|---|
| 75 | if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
|
|---|
| 76 | tar_archive->action_data = data_extract_all;
|
|---|
| 77 | argcount = 2;
|
|---|
| 78 | }
|
|---|
| 79 |
|
|---|
| 80 | if ((optind + argcount) != argc) {
|
|---|
| 81 | bb_show_usage();
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
| 84 | tar_archive->src_fd = ar_archive->src_fd = bb_xopen(argv[optind++], O_RDONLY);
|
|---|
| 85 |
|
|---|
| 86 | /* Workout where to extract the files */
|
|---|
| 87 | /* 2nd argument is a dir name */
|
|---|
| 88 | if (argv[optind]) {
|
|---|
| 89 | extract_dir = argv[optind];
|
|---|
| 90 | }
|
|---|
| 91 | if (extract_dir) {
|
|---|
| 92 | mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
|
|---|
| 93 | bb_xchdir(extract_dir);
|
|---|
| 94 | }
|
|---|
| 95 | unpack_ar_archive(ar_archive);
|
|---|
| 96 |
|
|---|
| 97 | /* Cleanup */
|
|---|
| 98 | close (ar_archive->src_fd);
|
|---|
| 99 |
|
|---|
| 100 | return(EXIT_SUCCESS);
|
|---|
| 101 | }
|
|---|
