Annotation of /tags/mkinitrd-6_3_1/busybox/archival/dpkg_deb.c
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Thu Aug 19 12:44:27 2010 UTC (14 years, 1 month ago) by niro
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Thu Aug 19 12:44:27 2010 UTC (14 years, 1 month ago) by niro
File MIME type: text/plain
File size: 2955 byte(s)
tagged 'mkinitrd-6_3_1'
1 | niro | 532 | /* 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 | niro | 816 | #include "libbb.h" |
8 | niro | 532 | #include "unarchive.h" |
9 | |||
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 | ||
15 | |||
16 | niro | 816 | int dpkg_deb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
17 | niro | 532 | int dpkg_deb_main(int argc, char **argv) |
18 | { | ||
19 | archive_handle_t *ar_archive; | ||
20 | archive_handle_t *tar_archive; | ||
21 | llist_t *control_tar_llist = NULL; | ||
22 | unsigned opt; | ||
23 | niro | 816 | const char *extract_dir; |
24 | int need_args; | ||
25 | niro | 532 | |
26 | /* Setup the tar archive handle */ | ||
27 | tar_archive = init_handle(); | ||
28 | |||
29 | /* Setup an ar archive handle that refers to the gzip sub archive */ | ||
30 | ar_archive = init_handle(); | ||
31 | niro | 984 | ar_archive->dpkg__sub_archive = tar_archive; |
32 | niro | 532 | ar_archive->filter = filter_accept_list_reassign; |
33 | |||
34 | niro | 816 | #if ENABLE_FEATURE_SEAMLESS_GZ |
35 | niro | 1123 | llist_add_to(&ar_archive->accept, (char*)"data.tar.gz"); |
36 | niro | 816 | llist_add_to(&control_tar_llist, (char*)"control.tar.gz"); |
37 | niro | 532 | #endif |
38 | niro | 816 | #if ENABLE_FEATURE_SEAMLESS_BZ2 |
39 | niro | 1123 | llist_add_to(&ar_archive->accept, (char*)"data.tar.bz2"); |
40 | niro | 816 | llist_add_to(&control_tar_llist, (char*)"control.tar.bz2"); |
41 | niro | 532 | #endif |
42 | niro | 1123 | #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"); | ||
45 | #endif | ||
46 | niro | 532 | |
47 | niro | 816 | opt_complementary = "c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX"; |
48 | opt = getopt32(argv, "cefXx"); | ||
49 | argv += optind; | ||
50 | argc -= optind; | ||
51 | niro | 532 | |
52 | if (opt & DPKG_DEB_OPT_CONTENTS) { | ||
53 | tar_archive->action_header = header_verbose_list; | ||
54 | } | ||
55 | niro | 816 | extract_dir = NULL; |
56 | need_args = 1; | ||
57 | niro | 532 | if (opt & DPKG_DEB_OPT_CONTROL) { |
58 | ar_archive->accept = control_tar_llist; | ||
59 | tar_archive->action_data = data_extract_all; | ||
60 | niro | 816 | if (1 == argc) { |
61 | niro | 532 | extract_dir = "./DEBIAN"; |
62 | } else { | ||
63 | niro | 816 | need_args++; |
64 | niro | 532 | } |
65 | } | ||
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 | niro | 816 | llist_add_to(&(tar_archive->accept), (char*)"./control"); |
72 | niro | 532 | tar_archive->filter = filter_accept_list; |
73 | tar_archive->action_data = data_extract_to_stdout; | ||
74 | } | ||
75 | if (opt & DPKG_DEB_OPT_EXTRACT) { | ||
76 | tar_archive->action_header = header_list; | ||
77 | } | ||
78 | if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) { | ||
79 | tar_archive->action_data = data_extract_all; | ||
80 | niro | 816 | need_args = 2; |
81 | niro | 532 | } |
82 | |||
83 | niro | 816 | if (need_args != argc) { |
84 | niro | 532 | bb_show_usage(); |
85 | } | ||
86 | |||
87 | niro | 816 | tar_archive->src_fd = ar_archive->src_fd = xopen(argv[0], O_RDONLY); |
88 | niro | 532 | |
89 | niro | 816 | /* Work out where to extract the files */ |
90 | niro | 532 | /* 2nd argument is a dir name */ |
91 | niro | 816 | if (argv[1]) { |
92 | extract_dir = argv[1]; | ||
93 | niro | 532 | } |
94 | if (extract_dir) { | ||
95 | mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */ | ||
96 | xchdir(extract_dir); | ||
97 | } | ||
98 | niro | 816 | |
99 | /* Do it */ | ||
100 | niro | 532 | unpack_ar_archive(ar_archive); |
101 | |||
102 | /* Cleanup */ | ||
103 | niro | 816 | if (ENABLE_FEATURE_CLEAN_UP) |
104 | close(ar_archive->src_fd); | ||
105 | niro | 532 | |
106 | return EXIT_SUCCESS; | ||
107 | } |