* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
+ * There is no signle standard to adhere to so ar may not portable
+ * between different systems
+ * http://www.unix-systems.org/single_unix_specification_v2/xcu/ar.html
*/
+#include <sys/types.h>
#include <fcntl.h>
+#include <fnmatch.h>
+#include <stdio.h>
#include <stdlib.h>
-#include <getopt.h>
+#include <string.h>
+#include <time.h>
+#include <utime.h>
#include <unistd.h>
+#include <getopt.h>
+#include "unarchive.h"
#include "busybox.h"
-extern int ar_main(int argc, char **argv)
+static void header_verbose_list_ar(const file_header_t *file_header)
+{
+ const char *mode = bb_mode_string(file_header->mode);
+ char *mtime;
+
+ mtime = ctime(&file_header->mtime);
+ mtime[16] = ' ';
+ memmove(&mtime[17], &mtime[20], 4);
+ mtime[21] = '\0';
+ printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid, (int) file_header->size, &mtime[4], file_header->name);
+}
+
+#if !defined CONFIG_TAR && !defined CONFIG_DPKG_DEB && !defined CONFIG_CPIO
+/* This is simpler than data_extract_all */
+static void data_extract_regular_file(archive_handle_t *archive_handle)
{
- const int preserve_date = 1; /* preserve original dates */
- const int verbose = 2; /* be verbose */
- const int display = 4; /* display contents */
- const int extract_to_file = 8; /* extract contents of archive */
- const int extract_to_stdout = 16; /* extract to stdout */
+ file_header_t *file_header;
+ int dst_fd;
+
+ file_header = archive_handle->file_header;
+ dst_fd = bb_xopen(file_header->name, O_WRONLY | O_CREAT);
+ archive_copy_file(archive_handle, dst_fd);
+ close(dst_fd);
- FILE *src_file = NULL, *dst_file = NULL;
- int funct = 0, opt=0;
+ chmod(file_header->name, file_header->mode);
+ chown(file_header->name, file_header->uid, file_header->gid);
- ar_headers_t *head, *extract_list=NULL;
+ if (archive_handle->flags & ARCHIVE_PRESERVE_DATE) {
+ struct utimbuf t;
+ t.actime = t.modtime = file_header->mtime;
+ utime(file_header->name, &t);
+ }
- extract_list = (ar_headers_t *) xcalloc(1, sizeof(ar_headers_t));
- head = (ar_headers_t *) xcalloc(1, sizeof(ar_headers_t));
+ return;
+}
+#endif
- while ((opt = getopt(argc, argv, "ovtpx")) != -1) {
+extern int ar_main(int argc, char **argv)
+{
+ archive_handle_t *archive_handle;
+ int opt;
+
+#if !defined CONFIG_DPKG_DEB && !defined CONFIG_DPKG
+ char magic[8];
+#endif
+ archive_handle = init_handle();
+
+ while ((opt = getopt(argc, argv, "covtpxX")) != -1) {
switch (opt) {
- case 'o':
- funct |= preserve_date;
+ case 'p': /* print */
+ archive_handle->action_data = data_extract_to_stdout;
break;
- case 'v':
- funct |= verbose;
+ case 't': /* list contents */
+ archive_handle->action_header = header_list;
break;
- case 't':
- funct |= display;
+ case 'X':
+ archive_handle->action_header = header_verbose_list_ar;
+ case 'x': /* extract */
+#if defined CONFIG_TAR || defined CONFIG_DPKG_DEB || defined CONFIG_CPIO
+ archive_handle->action_data = data_extract_all;
+#else
+ archive_handle->action_data = data_extract_regular_file;
+#endif
break;
- case 'p':
- funct |= extract_to_stdout;
+ /* Modifiers */
+ case 'o': /* preserve original dates */
+ archive_handle->flags |= ARCHIVE_PRESERVE_DATE;
break;
- case 'x':
- funct |= extract_to_file;
+ case 'v': /* verbose */
+ archive_handle->action_header = header_verbose_list_ar;
break;
default:
- show_usage();
+ bb_show_usage();
}
}
/* check the src filename was specified */
if (optind == argc) {
- show_usage();
+ bb_show_usage();
}
- if ( (src_file = wfopen(argv[optind], "r")) < 0) {
- error_msg_and_die("Cannot read %s", argv[optind]);
- }
+ archive_handle->src_fd = bb_xopen(argv[optind++], O_RDONLY);
- optind++;
- head = get_ar_headers(src_file);
- /* find files to extract or display */
- /* search through argv and build extract list */
- for (;optind < argc; optind++) {
- ar_headers_t *ar_entry;
- ar_entry = (ar_headers_t *) xcalloc(1, sizeof(ar_headers_t));
- ar_entry = head;
- while (ar_entry->next != NULL) {
- if (strcmp(argv[optind], ar_entry->name) == 0) {
- ar_headers_t *tmp;
- tmp = (ar_headers_t *) xmalloc(sizeof(ar_headers_t));
- *tmp = *extract_list;
- *extract_list = *ar_entry;
- extract_list->next = tmp;
- break;
- }
- ar_entry=ar_entry->next;
- }
+ /* TODO: This is the same as in tar, seperate function ? */
+ while (optind < argc) {
+ archive_handle->filter = filter_accept_list;
+ archive_handle->accept = llist_add_to(archive_handle->accept, argv[optind]);
+ optind++;
}
- /* if individual files not found extract all files */
- if (extract_list->next==NULL) {
- extract_list = head;
+#if defined CONFIG_DPKG_DEB || defined CONFIG_DPKG
+ unpack_ar_archive(archive_handle);
+#else
+ archive_xread_all(archive_handle, magic, 7);
+ if (strncmp(magic, "!<arch>", 7) != 0) {
+ bb_error_msg_and_die("Invalid ar magic");
}
+ archive_handle->offset += 7;
+
+ while (get_header_ar(archive_handle) == EXIT_SUCCESS);
+#endif
- /* find files to extract or display */
- while (extract_list->next != NULL) {
- if (funct & extract_to_file) {
- dst_file = wfopen(extract_list->name, "w");
- }
- else if (funct & extract_to_stdout) {
- dst_file = stdout;
- }
- if ((funct & extract_to_file) || (funct & extract_to_stdout)) {
- fseek(src_file, extract_list->offset, SEEK_SET);
- copy_file_chunk(src_file, dst_file, (off_t) extract_list->size);
- }
- if (funct & verbose) {
- printf("%s %d/%d %8d %s ", mode_string(extract_list->mode),
- extract_list->uid, extract_list->gid,
- (int) extract_list->size, time_string(extract_list->mtime));
- }
- if ((funct & display) || (funct & verbose)){
- printf("%s\n", extract_list->name);
- }
- extract_list=extract_list->next;
- }
return EXIT_SUCCESS;
}
projects / oweals / busybox.git / blobdiff