1 files changed, 112 insertions, 0 deletions

diff --git a/busybox/archival/dpkg_deb.c b/busybox/archival/dpkg_deb.c
new file mode 100644
index 000000000..5aa9881d5
--- /dev/null
+++ b/busybox/archival/dpkg_deb.c
@@ -0,0 +1,112 @@
+/*
+ *  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.
+ *
+ *  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.
+ *
+ */
+#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;
+        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 + argcount != argc) || (opt & 0x80000000UL)) {
+                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);
+        }
+        unpack_ar_archive(ar_archive);
+
+        /* Cleanup */
+        close (ar_archive->src_fd);
+
+        return(EXIT_SUCCESS);
+}