aa4977d8e5
function old new delta cpio_main 526 539 +13 init_handle 57 58 +1 init_archive_deb_ar 34 35 +1 get_header_ar 408 409 +1 dpkg_main 3900 3901 +1 unpack_package 516 515 -1 rpm_main 1673 1672 -1 tar_main 774 767 -7 get_header_cpio 990 972 -18 data_extract_all 750 727 -23 get_header_tar 1631 1576 -55 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/6 up/down: 17/-105) Total: -88 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* dpkg-deb packs, unpacks and provides information about Debian archives.
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include "unarchive.h"
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#define DPKG_DEB_OPT_CONTENTS 1
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#define DPKG_DEB_OPT_CONTROL 2
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#define DPKG_DEB_OPT_FIELD 4
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#define DPKG_DEB_OPT_EXTRACT 8
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#define DPKG_DEB_OPT_EXTRACT_VERBOSE 16
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int dpkg_deb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int dpkg_deb_main(int argc, char **argv)
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{
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archive_handle_t *ar_archive;
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archive_handle_t *tar_archive;
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llist_t *control_tar_llist = NULL;
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unsigned opt;
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const char *extract_dir;
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int need_args;
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/* Setup the tar archive handle */
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tar_archive = init_handle();
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/* Setup an ar archive handle that refers to the gzip sub archive */
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ar_archive = init_handle();
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ar_archive->dpkg__sub_archive = tar_archive;
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ar_archive->filter = filter_accept_list_reassign;
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#if ENABLE_FEATURE_SEAMLESS_GZ
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llist_add_to(&(ar_archive->accept), (char*)"data.tar.gz");
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llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
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#endif
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#if ENABLE_FEATURE_SEAMLESS_BZ2
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llist_add_to(&(ar_archive->accept), (char*)"data.tar.bz2");
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llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
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#endif
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opt_complementary = "c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
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opt = getopt32(argv, "cefXx");
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argv += optind;
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argc -= optind;
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if (opt & DPKG_DEB_OPT_CONTENTS) {
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tar_archive->action_header = header_verbose_list;
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}
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extract_dir = NULL;
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need_args = 1;
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if (opt & DPKG_DEB_OPT_CONTROL) {
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ar_archive->accept = control_tar_llist;
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tar_archive->action_data = data_extract_all;
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if (1 == argc) {
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extract_dir = "./DEBIAN";
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} else {
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need_args++;
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}
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}
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if (opt & DPKG_DEB_OPT_FIELD) {
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/* Print the entire control file
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* it should accept a second argument which specifies a
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* specific field to print */
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ar_archive->accept = control_tar_llist;
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llist_add_to(&(tar_archive->accept), (char*)"./control");
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tar_archive->filter = filter_accept_list;
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tar_archive->action_data = data_extract_to_stdout;
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}
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if (opt & DPKG_DEB_OPT_EXTRACT) {
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tar_archive->action_header = header_list;
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}
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if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
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tar_archive->action_data = data_extract_all;
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need_args = 2;
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}
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if (need_args != argc) {
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bb_show_usage();
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}
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tar_archive->src_fd = ar_archive->src_fd = xopen(argv[0], O_RDONLY);
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/* Work out where to extract the files */
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/* 2nd argument is a dir name */
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if (argv[1]) {
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extract_dir = argv[1];
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}
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if (extract_dir) {
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mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
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xchdir(extract_dir);
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}
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/* Do it */
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unpack_ar_archive(ar_archive);
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/* Cleanup */
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if (ENABLE_FEATURE_CLEAN_UP)
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close(ar_archive->src_fd);
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return EXIT_SUCCESS;
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}
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