* 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.
+ *
*/
-
-/*
- * Merge this applet into dpkg when dpkg becomes more stable
- */
-
-#include <stdio.h>
-#include <stdlib.h>
#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#include "unarchive.h"
#include "busybox.h"
-/* From gunzip.c */
-extern int gz_open(FILE *compressed_file, int *pid);
-extern void gz_close(int gunzip_pid);
+#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();
-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;
+ /* 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;
-extern ar_headers_t get_ar_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);
+#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
-static const int dpkg_deb_contents = 1;
-static const int dpkg_deb_control = 2;
-// const int dpkg_deb_info = 4;
-static const int dpkg_deb_extract = 8;
-static const int dpkg_deb_verbose_extract = 16;
-static const int dpkg_deb_list = 32;
+#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
-extern int deb_extract(int optflags, const char *dir_name, const char *deb_filename)
-{
- char **extract_list = NULL;
- ar_headers_t *ar_headers = NULL;
- char ar_filename[15];
- int extract_flag = FALSE;
- int list_flag = FALSE;
- int verbose_flag = FALSE;
- int extract_to_stdout = FALSE;
- int srcFd = 0;
- int status;
- pid_t pid;
- FILE *comp_file = NULL;
+ bb_opt_complementaly = "c~efXx:e~cfXx:f~ceXx:X~cefx:x~cefX";
+ opt = bb_getopt_ulflags(argc, argv, "cefXx");
- if (dpkg_deb_contents == (dpkg_deb_contents & optflags)) {
- strcpy(ar_filename, "data.tar.gz");
- verbose_flag = TRUE;
- list_flag = TRUE;
+ if (opt & DPKG_DEB_OPT_CONTENTS) {
+ tar_archive->action_header = header_verbose_list;
}
- if (dpkg_deb_list == (dpkg_deb_list & optflags)) {
- strcpy(ar_filename, "data.tar.gz");
- list_flag = TRUE;
+ 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 (dpkg_deb_control == (dpkg_deb_control & optflags)) {
- strcpy(ar_filename, "control.tar.gz");
- extract_flag = TRUE;
+ 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 (dpkg_deb_extract == (dpkg_deb_extract & optflags)) {
- strcpy(ar_filename, "data.tar.gz");
- extract_flag = TRUE;
+ if (opt & DPKG_DEB_OPT_EXTRACT) {
+ tar_archive->action_header = header_list;
}
- if (dpkg_deb_verbose_extract == (dpkg_deb_verbose_extract & optflags)) {
- strcpy(ar_filename, "data.tar.gz");
- extract_flag = TRUE;
- list_flag = TRUE;
+ 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(deb_filename, O_RDONLY);
-
- *ar_headers = get_ar_headers(srcFd);
- if (ar_headers->next == NULL) {
- error_msg_and_die("Couldnt find %s in %s", ar_filename, deb_filename);
+ if ((optind + argcount != argc) || (opt & BB_GETOPT_ERROR)) {
+ bb_show_usage();
}
- while (ar_headers->next != NULL) {
- if (strcmp(ar_headers->name, ar_filename) == 0) {
- break;
- }
- ar_headers = ar_headers->next;
+ 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];
}
- lseek(srcFd, ar_headers->offset, SEEK_SET);
- /* Uncompress the file */
- comp_file = fdopen(srcFd, "r");
- if ((srcFd = gz_open(comp_file, &pid)) == EXIT_FAILURE) {
- error_msg_and_die("Couldnt unzip file");
+ if (extract_dir) {
+ mkdir(extract_dir, 0777);
+ chdir(extract_dir);
}
- if ( dir_name != NULL) {
- if (is_directory(dir_name, TRUE, NULL)==FALSE) {
- mkdir(dir_name, 0755);
- }
- if (chdir(dir_name)==-1) {
- error_msg_and_die("Cannot change to dir %s", dir_name);
- }
- }
- status = readTarFile(srcFd, extract_flag, list_flag,
- extract_to_stdout, verbose_flag, NULL, extract_list);
- close(srcFd);
- gz_close(pid);
- fclose(comp_file);
+ unpack_ar_archive(ar_archive);
- return status;
-}
+ /* Cleanup */
+ close (ar_archive->src_fd);
-extern int dpkg_deb_main(int argc, char **argv)
-{
- 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();
- }
- }
-
- if (((optind + 1 ) > argc) || (optflag == 0)) {
- show_usage();
- }
- 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");
- } else {
- target_dir = (char *) xmalloc(strlen(argv[optind + 1]));
- strcpy(target_dir, argv[optind + 1]);
- }
- }
- deb_extract(optflag, target_dir, argv[optind]);
-/* 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]);
- }
-*/
return(EXIT_SUCCESS);
}