+/* vi: set sw=4 ts=4: */
/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * dpkg-deb packs, unpacks and provides information about Debian archives.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-#include "unarchive.h"
-#include "busybox.h"
-extern int dpkg_deb_main(int argc, char **argv)
+//usage:#define dpkg_deb_trivial_usage
+//usage: "[-cefxX] FILE [argument"
+//usage:#define dpkg_deb_full_usage "\n\n"
+//usage: "Perform actions on Debian packages (.debs)\n"
+//usage: "\n -c List contents of filesystem tree"
+//usage: "\n -e Extract control files to [argument] directory"
+//usage: "\n -f Display control field name starting with [argument]"
+//usage: "\n -x Extract packages filesystem tree to directory"
+//usage: "\n -X Verbose extract"
+//usage:
+//usage:#define dpkg_deb_example_usage
+//usage: "$ dpkg-deb -X ./busybox_0.48-1_i386.deb /tmp\n"
+
+#include "libbb.h"
+#include "bb_archive.h"
+
+#define DPKG_DEB_OPT_CONTENTS 1
+#define DPKG_DEB_OPT_CONTROL 2
+#define DPKG_DEB_OPT_FIELD 4
+#define DPKG_DEB_OPT_EXTRACT 8
+#define DPKG_DEB_OPT_EXTRACT_VERBOSE 16
+
+int dpkg_deb_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int dpkg_deb_main(int argc, char **argv)
{
archive_handle_t *ar_archive;
archive_handle_t *tar_archive;
- int opt = 0;
-#ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
llist_t *control_tar_llist = NULL;
-#endif
-
+ unsigned opt;
+ const char *extract_dir;
+ int need_args;
+
/* Setup the tar archive handle */
tar_archive = init_handle();
- /* Setup an ar archive handle that refers to the gzip sub archive */
+ /* Setup an ar archive handle that refers to the gzip sub archive */
ar_archive = init_handle();
- ar_archive->sub_archive = tar_archive;
+ ar_archive->dpkg__sub_archive = tar_archive;
ar_archive->filter = filter_accept_list_reassign;
-#ifdef CONFIG_FEATURE_DEB_TAR_GZ
- ar_archive->accept = llist_add_to(NULL, "data.tar.gz");
-# ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- control_tar_llist = llist_add_to(NULL, "control.tar.gz");
-# endif
-#endif
-
-#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
- ar_archive->accept = llist_add_to(ar_archive->accept, "data.tar.bz2");
-# ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- control_tar_llist = llist_add_to(control_tar_llist, "control.tar.bz2");
-# endif
+#if ENABLE_FEATURE_SEAMLESS_GZ
+ llist_add_to(&ar_archive->accept, (char*)"data.tar.gz");
+ llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
#endif
-
-#ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- while ((opt = getopt(argc, argv, "cefXx")) != -1) {
-#else
- while ((opt = getopt(argc, argv, "x")) != -1) {
+#if ENABLE_FEATURE_SEAMLESS_BZ2
+ llist_add_to(&ar_archive->accept, (char*)"data.tar.bz2");
+ llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
#endif
- switch (opt) {
-#ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- case 'c':
- tar_archive->action_header = header_verbose_list;
- break;
- case 'e':
- ar_archive->accept = control_tar_llist;
- tar_archive->action_data = data_extract_all;
- break;
- case 'f':
- /* Print the entire control file
- * it should accept a second argument which specifies a
- * specific field to print */
- ar_archive->accept = control_tar_llist;
- tar_archive->accept = llist_add_to(NULL, "./control");;
- tar_archive->filter = filter_accept_list;
- tar_archive->action_data = data_extract_to_stdout;
- break;
- case 'X':
- tar_archive->action_header = header_list;
+#if ENABLE_FEATURE_SEAMLESS_LZMA
+ llist_add_to(&ar_archive->accept, (char*)"data.tar.lzma");
+ llist_add_to(&control_tar_llist, (char*)"control.tar.lzma");
#endif
- case 'x':
- tar_archive->action_data = data_extract_all;
- break;
- default:
- show_usage();
+
+ opt_complementary = "c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
+ opt = getopt32(argv, "cefXx");
+ argv += optind;
+ argc -= optind;
+
+ if (opt & DPKG_DEB_OPT_CONTENTS) {
+ tar_archive->action_header = header_verbose_list;
+ }
+ extract_dir = NULL;
+ need_args = 1;
+ if (opt & DPKG_DEB_OPT_CONTROL) {
+ ar_archive->accept = control_tar_llist;
+ tar_archive->action_data = data_extract_all;
+ if (1 == argc) {
+ extract_dir = "./DEBIAN";
+ } else {
+ need_args++;
}
}
+ if (opt & DPKG_DEB_OPT_FIELD) {
+ /* Print the entire control file
+ * it should accept a second argument which specifies a
+ * specific field to print */
+ ar_archive->accept = control_tar_llist;
+ llist_add_to(&(tar_archive->accept), (char*)"./control");
+ tar_archive->filter = filter_accept_list;
+ tar_archive->action_data = data_extract_to_stdout;
+ }
+ if (opt & DPKG_DEB_OPT_EXTRACT) {
+ tar_archive->action_header = header_list;
+ }
+ if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
+ tar_archive->action_data = data_extract_all;
+ need_args = 2;
+ }
- if (optind + 2 < argc) {
- show_usage();
+ if (need_args != argc) {
+ bb_show_usage();
}
- tar_archive->src_fd = ar_archive->src_fd = xopen(argv[optind++], O_RDONLY);
+ tar_archive->src_fd = ar_archive->src_fd = xopen(argv[0], O_RDONLY);
- /* Workout where to extract the files */
+ /* Work out where to extract the files */
/* 2nd argument is a dir name */
- mkdir(argv[optind], 0777);
- chdir(argv[optind]);
+ if (argv[1]) {
+ extract_dir = argv[1];
+ }
+ if (extract_dir) {
+ mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
+ xchdir(extract_dir);
+ }
+ /* Do it */
unpack_ar_archive(ar_archive);
/* Cleanup */
- close (ar_archive->src_fd);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ close(ar_archive->src_fd);
- return(EXIT_SUCCESS);
+ return EXIT_SUCCESS;
}
-
projects / oweals / busybox.git / blobdiff