+/* 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 tarball for details.
*/
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-#include "unarchive.h"
#include "busybox.h"
+#include "unarchive.h"
-extern int dpkg_deb_main(int argc, char **argv)
+#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)
{
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;
+ char *extract_dir = NULL;
+ short argcount = 1;
+
/* 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->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
+ llist_add_to(&(ar_archive->accept), "data.tar.gz");
+ llist_add_to(&control_tar_llist, "control.tar.gz");
#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
+ llist_add_to(&(ar_archive->accept), "data.tar.bz2");
+ llist_add_to(&control_tar_llist, "control.tar.bz2");
#endif
-#ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- while ((opt = getopt(argc, argv, "cefXx")) != -1) {
-#else
- while ((opt = getopt(argc, argv, "x")) != -1) {
-#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;
-#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(argc, argv, "cefXx");
+
+ if (opt & DPKG_DEB_OPT_CONTENTS) {
+ tar_archive->action_header = header_verbose_list;
+ }
+ if (opt & DPKG_DEB_OPT_CONTROL) {
+ ar_archive->accept = control_tar_llist;
+ tar_archive->action_data = data_extract_all;
+ if (optind + 1 == argc) {
+ extract_dir = "./DEBIAN";
+ } else {
+ argcount++;
}
}
+ 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), "./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;
+ argcount = 2;
+ }
- if (optind + 2 < argc) {
- show_usage();
+ if ((optind + argcount) != argc) {
+ bb_show_usage();
}
tar_archive->src_fd = ar_archive->src_fd = xopen(argv[optind++], O_RDONLY);
/* Workout where to extract the files */
/* 2nd argument is a dir name */
- mkdir(argv[optind], 0777);
- chdir(argv[optind]);
-
+ if (argv[optind]) {
+ extract_dir = argv[optind];
+ }
+ if (extract_dir) {
+ mkdir(extract_dir, 0777); /* bb_make_directory(extract_dir, 0777, 0) */
+ xchdir(extract_dir);
+ }
unpack_ar_archive(ar_archive);
/* Cleanup */
return(EXIT_SUCCESS);
}
-