Magellan Linux

  • Back to homepage
    • /[magellan-source]/trunk/mkinitrd-magellan/busybox/archival/dpkg_deb.c

    Annotation of /trunk/mkinitrd-magellan/busybox/archival/dpkg_deb.c

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 532 - (hide annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
    File MIME type: text/plain
    File size: 2627 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    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     #include "busybox.h"
    8     #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     int dpkg_deb_main(int argc, char **argv)
    17     {
    18     archive_handle_t *ar_archive;
    19     archive_handle_t *tar_archive;
    20     llist_t *control_tar_llist = NULL;
    21     unsigned opt;
    22     char *extract_dir = NULL;
    23     short argcount = 1;
    24    
    25     /* Setup the tar archive handle */
    26     tar_archive = init_handle();
    27    
    28     /* Setup an ar archive handle that refers to the gzip sub archive */
    29     ar_archive = init_handle();
    30     ar_archive->sub_archive = tar_archive;
    31     ar_archive->filter = filter_accept_list_reassign;
    32    
    33     #ifdef CONFIG_FEATURE_DEB_TAR_GZ
    34     llist_add_to(&(ar_archive->accept), "data.tar.gz");
    35     llist_add_to(&control_tar_llist, "control.tar.gz");
    36     #endif
    37    
    38     #ifdef CONFIG_FEATURE_DEB_TAR_BZ2
    39     llist_add_to(&(ar_archive->accept), "data.tar.bz2");
    40     llist_add_to(&control_tar_llist, "control.tar.bz2");
    41     #endif
    42    
    43     opt_complementary = "?c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
    44     opt = getopt32(argc, argv, "cefXx");
    45    
    46     if (opt & DPKG_DEB_OPT_CONTENTS) {
    47     tar_archive->action_header = header_verbose_list;
    48     }
    49     if (opt & DPKG_DEB_OPT_CONTROL) {
    50     ar_archive->accept = control_tar_llist;
    51     tar_archive->action_data = data_extract_all;
    52     if (optind + 1 == argc) {
    53     extract_dir = "./DEBIAN";
    54     } else {
    55     argcount++;
    56     }
    57     }
    58     if (opt & DPKG_DEB_OPT_FIELD) {
    59     /* Print the entire control file
    60     * it should accept a second argument which specifies a
    61     * specific field to print */
    62     ar_archive->accept = control_tar_llist;
    63     llist_add_to(&(tar_archive->accept), "./control");
    64     tar_archive->filter = filter_accept_list;
    65     tar_archive->action_data = data_extract_to_stdout;
    66     }
    67     if (opt & DPKG_DEB_OPT_EXTRACT) {
    68     tar_archive->action_header = header_list;
    69     }
    70     if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
    71     tar_archive->action_data = data_extract_all;
    72     argcount = 2;
    73     }
    74    
    75     if ((optind + argcount) != argc) {
    76     bb_show_usage();
    77     }
    78    
    79     tar_archive->src_fd = ar_archive->src_fd = xopen(argv[optind++], O_RDONLY);
    80    
    81     /* Workout where to extract the files */
    82     /* 2nd argument is a dir name */
    83     if (argv[optind]) {
    84     extract_dir = argv[optind];
    85     }
    86     if (extract_dir) {
    87     mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
    88     xchdir(extract_dir);
    89     }
    90     unpack_ar_archive(ar_archive);
    91    
    92     /* Cleanup */
    93     close(ar_archive->src_fd);
    94    
    95     return EXIT_SUCCESS;
    96     }