mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini ar implementation for busybox
|
|
*
|
|
* Copyright (C) 2000 by Glenn McGrath
|
|
* Written by Glenn McGrath <bug1@iinet.net.au> 1 June 2000
|
|
*
|
|
* Based in part on BusyBox tar, Debian dpkg-deb and GNU ar.
|
|
*
|
|
* 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
|
|
* 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
|
|
*
|
|
* There is no single 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 <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <utime.h>
|
|
#include <unistd.h>
|
|
|
|
#include "unarchive.h"
|
|
#include "busybox.h"
|
|
|
|
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);
|
|
}
|
|
|
|
#define AR_CTX_PRINT 0x01
|
|
#define AR_CTX_LIST 0x02
|
|
#define AR_CTX_EXTRACT 0x04
|
|
#define AR_OPT_PRESERVE_DATE 0x08
|
|
#define AR_OPT_VERBOSE 0x10
|
|
#define AR_OPT_CREATE 0x20
|
|
#define AR_OPT_INSERT 0x40
|
|
|
|
int ar_main(int argc, char **argv)
|
|
{
|
|
archive_handle_t *archive_handle;
|
|
unsigned long opt;
|
|
static const char msg_unsupported_err[] =
|
|
"Archive %s not supported. Install binutils 'ar'.";
|
|
char magic[8];
|
|
|
|
archive_handle = init_handle();
|
|
|
|
/* Prepend '-' to the first argument if required */
|
|
bb_opt_complementally = "--:p:t:x:-1:?:p--tx:t--px:x--pt";
|
|
opt = bb_getopt_ulflags(argc, argv, "ptxovcr");
|
|
|
|
if (opt & AR_CTX_PRINT) {
|
|
archive_handle->action_data = data_extract_to_stdout;
|
|
}
|
|
if (opt & AR_CTX_LIST) {
|
|
archive_handle->action_header = header_list;
|
|
}
|
|
if (opt & AR_CTX_EXTRACT) {
|
|
archive_handle->action_data = data_extract_all;
|
|
}
|
|
if (opt & AR_OPT_PRESERVE_DATE) {
|
|
archive_handle->flags |= ARCHIVE_PRESERVE_DATE;
|
|
}
|
|
if (opt & AR_OPT_VERBOSE) {
|
|
archive_handle->action_header = header_verbose_list_ar;
|
|
}
|
|
if (opt & AR_OPT_CREATE) {
|
|
bb_error_msg_and_die(msg_unsupported_err, "creation");
|
|
}
|
|
if (opt & AR_OPT_INSERT) {
|
|
bb_error_msg_and_die(msg_unsupported_err, "insertion");
|
|
}
|
|
|
|
archive_handle->src_fd = bb_xopen(argv[optind++], O_RDONLY);
|
|
|
|
while (optind < argc) {
|
|
archive_handle->filter = filter_accept_list;
|
|
archive_handle->accept = llist_add_to(archive_handle->accept, argv[optind++]);
|
|
}
|
|
|
|
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);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|