* 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)
{
- char *argument = NULL;
- int opt = 0;
- int optflag = 0;
-
- while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
- switch (opt) {
- case 'c':
- optflag |= extract_contents;
- break;
- case 'e':
- optflag |= extract_control;
- break;
- case 'f':
- optflag |= extract_field;
- break;
- case 't':
- optflag |= extract_fsys_tarfile;
- break;
- case 'X':
- optflag |= extract_verbose_extract;
- break;
- case 'x':
- optflag |= extract_extract;
- break;
- case 'I':
- optflag |= extract_info;
- break;
- default:
- show_usage();
+ archive_handle_t *ar_archive;
+ archive_handle_t *tar_archive;
+ 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 */
+ 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");
+ control_tar_llist = llist_add_to(NULL, "control.tar.gz");
+#endif
+
+#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
+ 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
+
+ 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 == argc) {
- show_usage();
+ if ((optind + argcount != argc) || (opt & BB_GETOPT_ERROR)) {
+ bb_show_usage();
}
- switch (optflag) {
- case (extract_control):
- case (extract_extract):
- case (extract_verbose_extract):
- /* argument is a dir name */
- if ( (optind + 1) == argc ) {
- argument = xstrdup("DEBIAN");
- } else {
- argument = xstrdup(argv[optind + 1]);
- }
- break;
- case (extract_field):
- /* argument is a control field name */
- if ((optind + 1) != argc) {
- argument = xstrdup(argv[optind + 1]);
- }
- break;
- case (extract_info):
- /* argument is a control field name */
- if ((optind + 1) != argc) {
- argument = xstrdup(argv[optind + 1]);
- break;
- } else {
- error_msg("-I currently requires a filename to be specifies");
- return(EXIT_FAILURE);
- }
- /* argument is a filename */
- default:
+ 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 */
+ if (argv[optind]) {
+ extract_dir = argv[optind];
+ }
+ if (extract_dir) {
+ mkdir(extract_dir, 0777);
+ chdir(extract_dir);
}
+ unpack_ar_archive(ar_archive);
- deb_extract(argv[optind], optflag, argument);
+ /* Cleanup */
+ close (ar_archive->src_fd);
return(EXIT_SUCCESS);
}