+/* 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 <getopt.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "unarchive.h"
#include "busybox.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)
{
- const int dpkg_deb_contents = 1;
- const int dpkg_deb_control = 2;
-// const int dpkg_deb_info = 4;
- const int dpkg_deb_extract = 8;
- const int dpkg_deb_verbose_extract = 16;
- const int dpkg_deb_list = 32;
- char *target_dir = NULL;
- int opt = 0;
- int optflag = 0;
-
- while ((opt = getopt(argc, argv, "cexXl")) != -1) {
- switch (opt) {
- case 'c':
- optflag |= dpkg_deb_contents;
- break;
- case 'e':
- optflag |= dpkg_deb_control;
- break;
- case 'X':
- optflag |= dpkg_deb_verbose_extract;
- break;
- case 'x':
- optflag |= dpkg_deb_extract;
- break;
- case 'l':
- optflag |= dpkg_deb_list;
- break;
-/* case 'I':
- optflag |= dpkg_deb_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
+ 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
+ llist_add_to(&(ar_archive->accept), "data.tar.bz2");
+ llist_add_to(&control_tar_llist, "control.tar.bz2");
+#endif
+
+ bb_opt_complementally = "?c--efXx:e--cfXx:f--ceXx:X--cefx:x--cefX";
+ opt = bb_getopt_ulflags(argc, argv, "cefXx");
- if (((optind + 1 ) > argc) || (optflag == 0)) {
- show_usage();
+ if (opt & DPKG_DEB_OPT_CONTENTS) {
+ tar_archive->action_header = header_verbose_list;
}
- if ((optflag & dpkg_deb_control) || (optflag & dpkg_deb_extract) || (optflag & dpkg_deb_verbose_extract)) {
- if ( (optind + 1) == argc ) {
- target_dir = (char *) xmalloc(7);
- strcpy(target_dir, "DEBIAN");
+ 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 {
- target_dir = (char *) xmalloc(strlen(argv[optind + 1]));
- strcpy(target_dir, argv[optind + 1]);
+ argcount++;
}
}
- deb_extract(argv[optind], optflag, target_dir);
-/* else if (optflag & dpkg_deb_info) {
- extract_flag = TRUE;
- extract_to_stdout = TRUE;
- strcpy(ar_filename, "control.tar.gz");
- extract_list = argv+optind+1;
- printf("list one is [%s]\n",extract_list[0]);
+ 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 + argcount) != argc) {
+ bb_show_usage();
+ }
+
+ 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); /* error check? */
+ }
+ unpack_ar_archive(ar_archive);
+
+ /* Cleanup */
+ close (ar_archive->src_fd);
+
return(EXIT_SUCCESS);
}
projects / oweals / busybox.git / blobdiff