* 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.
+ *
*/
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
+
#include "unarchive.h"
#include "busybox.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
+
extern 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
- const llist_t *control_tar_llist = NULL;
-#endif
-
+ llist_t *control_tar_llist = NULL;
+ unsigned long 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 = add_to_list(NULL, "data.tar.gz");
-# ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- control_tar_llist = add_to_list(NULL, "control.tar.gz");
-# endif
+ ar_archive->accept = llist_add_to(NULL, "data.tar.gz");
+ control_tar_llist = llist_add_to(NULL, "control.tar.gz");
#endif
#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
- ar_archive->accept = add_to_list(ar_archive->accept, "data.tar.bz2");
-# ifndef CONFIG_FEATURE_DPKG_DEB_EXTRACT_ONLY
- control_tar_llist = add_to_list(control_tar_llist, "control.tar.bz2");
-# endif
+ ar_archive->accept = llist_add_to(ar_archive->accept, "data.tar.bz2");
+ control_tar_llist = 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 = add_to_list(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();
+ bb_opt_complementaly = "c~efXx:e~cfXx:f~ceXx:X~cefx:x~cefX";
+ opt = bb_getopt_ulflags(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;
+ tar_archive->accept = llist_add_to(NULL, "./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) || (opt & BB_GETOPT_ERROR)) {
+ bb_show_usage();
}
- tar_archive->src_fd = ar_archive->src_fd = xopen(argv[optind++], O_RDONLY);
+ tar_archive->src_fd = ar_archive->src_fd = bb_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);
+ chdir(extract_dir);
+ }
unpack_ar_archive(ar_archive);
/* Cleanup */
return(EXIT_SUCCESS);
}
-