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Diffstat (limited to 'i/pc104/initrd/conf/busybox/archival/dpkg_deb.c')
-rw-r--r--i/pc104/initrd/conf/busybox/archival/dpkg_deb.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/archival/dpkg_deb.c b/i/pc104/initrd/conf/busybox/archival/dpkg_deb.c
new file mode 100644
index 0000000..fde3c33
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/archival/dpkg_deb.c
@@ -0,0 +1,97 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * dpkg-deb packs, unpacks and provides information about Debian archives.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+#include "busybox.h"
+#include "unarchive.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
+
+int dpkg_deb_main(int argc, char **argv);
+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 opt;
+ const 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), (char*)"data.tar.gz");
+ llist_add_to(&control_tar_llist, (char*)"control.tar.gz");
+#endif
+
+#ifdef CONFIG_FEATURE_DEB_TAR_BZ2
+ llist_add_to(&(ar_archive->accept), (char*)"data.tar.bz2");
+ llist_add_to(&control_tar_llist, (char*)"control.tar.bz2");
+#endif
+
+ 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), (char*)"./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 = 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); /* bb_make_directory(extract_dir, 0777, 0) */
+ xchdir(extract_dir);
+ }
+ unpack_ar_archive(ar_archive);
+
+ /* Cleanup */
+ close(ar_archive->src_fd);
+
+ return EXIT_SUCCESS;
+}