* 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 <stdio.h>
-#include <stdlib.h>
#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
#include <stdlib.h>
-#include "busybox.h"
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
-typedef struct ar_headers_s {
- char *name;
- size_t size;
- uid_t uid;
- gid_t gid;
- mode_t mode;
- time_t mtime;
- off_t offset;
- struct ar_headers_s *next;
-} ar_headers_t;
+#include "unarchive.h"
+#include "busybox.h"
-extern ar_headers_t get_headers(int srcFd);
-extern int tar_unzip_init(int tarFd);
-extern int readTarFile(int tarFd, int extractFlag, int listFlag,
- int tostdoutFlag, int verboseFlag, char** extractList,
- char** excludeList);
+#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)
{
- 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;
- int opt=0;
- int optflag=0;
- int extract_flag = FALSE;
- int list_flag = FALSE;
- int verbose_flag = FALSE;
- int extract_to_stdout = FALSE;
- char ar_filename[15];
- int srcFd=0;
- int status=0;
- ar_headers_t *ar_headers = NULL;
- char **extract_list=NULL;
- char *target_dir=NULL;
-
- while ((opt = getopt(argc, argv, "cexX")) != -1) {
- switch (opt) {
- case 'c':
- optflag |= dpkg_deb_contents;
- break;
- case 'e':
- optflag |= dpkg_deb_control;
- break;
-/* case 'I':
- optflag |= dpkg_deb_info;
- break;
-*/
- case 'x':
- optflag |= dpkg_deb_extract;
- break;
- case 'X':
- optflag |= dpkg_deb_verbose_extract;
- break;
- default:
- usage(dpkg_deb_usage);
- return EXIT_FAILURE;
- }
- }
+ 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;
- if (((optind + 1 ) > argc) || (optflag == 0)) {
- usage(dpkg_deb_usage);
- return(EXIT_FAILURE);
+#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 (optflag & dpkg_deb_contents) {
- list_flag = TRUE;
- verbose_flag = TRUE;
- strcpy(ar_filename, "data.tar.gz");
+ 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++;
+ }
}
- else if (optflag & dpkg_deb_control) {
- extract_flag = TRUE;
- strcpy(ar_filename, "control.tar.gz");
- if ( (optind + 1) == argc ) {
- target_dir = (char *) xmalloc(7);
- strcpy(target_dir, "DEBIAN");
- }
- else {
- target_dir = (char *) xmalloc(strlen(argv[optind+1]));
-
- strcpy(target_dir, argv[optind+1]);
- }
+ 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;
}
-/* 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_EXTRACT) {
+ tar_archive->action_header = header_list;
}
-*/
- else if (optflag & dpkg_deb_extract) {
- extract_flag = TRUE;
- strcpy(ar_filename, "data.tar.gz");
- if ( (optind + 2) > argc ) {
- error_msg_and_die("No directory specified");
- }
- target_dir = (char *) xmalloc(strlen(argv[optind+1]));
- strcpy(target_dir, argv[optind+1]);
- }
- else if (optflag & dpkg_deb_verbose_extract) {
- extract_flag = TRUE;
- list_flag = TRUE;
- strcpy(ar_filename, "data.tar.gz");
- if ( (optind + 2) > argc ) {
- error_msg_and_die("No directory specified");
- }
- target_dir = (char *) xmalloc(strlen(argv[optind+1]));
- strcpy(target_dir, argv[optind+1]);
+ if (opt & (DPKG_DEB_OPT_EXTRACT_VERBOSE | DPKG_DEB_OPT_EXTRACT)) {
+ tar_archive->action_data = data_extract_all;
+ argcount = 2;
}
-
- ar_headers = (ar_headers_t *) xmalloc(sizeof(ar_headers_t));
- srcFd = open(argv[optind], O_RDONLY);
-
- *ar_headers = get_headers(srcFd);
- if (ar_headers->next==NULL)
- error_msg_and_die("Couldnt find %s in %s", ar_filename, argv[optind]);
- while (ar_headers->next != NULL) {
- if (strcmp(ar_headers->name, ar_filename)==0)
- break;
- ar_headers = ar_headers->next;
+ if ((optind + argcount != argc) || (opt & BB_GETOPT_ERROR)) {
+ bb_show_usage();
}
- lseek(srcFd, ar_headers->offset, SEEK_SET);
- srcFd = tar_unzip_init(srcFd);
- if ( target_dir != NULL) {
- if (is_directory(target_dir, TRUE, NULL)==FALSE) {
- mkdir(target_dir, 0755);
- }
- if (chdir(target_dir)==-1) {
- error_msg_and_die("Cannot change to dir %s", argv[optind+1]);
- }
+ 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];
}
- status = readTarFile(srcFd, extract_flag, list_flag, extract_to_stdout, verbose_flag, NULL, extract_list);
- close (srcFd);
+ if (extract_dir) {
+ mkdir(extract_dir, 0777);
+ chdir(extract_dir);
+ }
+ unpack_ar_archive(ar_archive);
+
+ /* Cleanup */
+ close (ar_archive->src_fd);
+
return(EXIT_SUCCESS);
}