archival/libunarchive/filter_accept_list_reassign.c

/* vi: set sw=4 ts=4: */
/*
 *  Copyright (C) 2002 by Glenn McGrath
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include "libbb.h"
#include "unarchive.h"

/* Built and used only if ENABLE_DPKG || ENABLE_DPKG_DEB */

/*
 * Reassign the subarchive metadata parser based on the filename extension
 * e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
 * or if its a .tar.bz2 make archive_handle->sub_archive handle that
 */
char FAST_FUNC filter_accept_list_reassign(archive_handle_t *archive_handle)
{
	/* Check the file entry is in the accept list */
	if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
		const char *name_ptr;

		/* Find extension */
		name_ptr = strrchr(archive_handle->file_header->name, '.');
		if (!name_ptr)
			return EXIT_FAILURE;
		name_ptr++;

		/* Modify the subarchive handler based on the extension */
		if (ENABLE_FEATURE_SEAMLESS_GZ
		 && strcmp(name_ptr, "gz") == 0
		) {
			archive_handle->dpkg__action_data_subarchive = get_header_tar_gz;
			return EXIT_SUCCESS;
		}
		if (ENABLE_FEATURE_SEAMLESS_BZ2
		 && strcmp(name_ptr, "bz2") == 0
		) {
			archive_handle->dpkg__action_data_subarchive = get_header_tar_bz2;
			return EXIT_SUCCESS;
		}
		if (ENABLE_FEATURE_SEAMLESS_LZMA
		 && strcmp(name_ptr, "lzma") == 0
		) {
			archive_handle->dpkg__action_data_subarchive = get_header_tar_lzma;
			return EXIT_SUCCESS;
		}
	}
	return EXIT_FAILURE;
}
1	niro	532	/* vi: set sw=4 ts=4: */
2			/*
3			* Copyright (C) 2002 by Glenn McGrath
4			*
5			* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
6			*/
7
8			#include "libbb.h"
9			#include "unarchive.h"
10
11	niro	816	/* Built and used only if ENABLE_DPKG \|\| ENABLE_DPKG_DEB */
12
13	niro	532	/*
14			* Reassign the subarchive metadata parser based on the filename extension
15			* e.g. if its a .tar.gz modify archive_handle->sub_archive to process a .tar.gz
16			* or if its a .tar.bz2 make archive_handle->sub_archive handle that
17			*/
18	niro	816	char FAST_FUNC filter_accept_list_reassign(archive_handle_t *archive_handle)
19	niro	532	{
20			/* Check the file entry is in the accept list */
21			if (find_list_entry(archive_handle->accept, archive_handle->file_header->name)) {
22			const char *name_ptr;
23
24	niro	816	/* Find extension */
25	niro	532	name_ptr = strrchr(archive_handle->file_header->name, '.');
26	niro	816	if (!name_ptr)
27			return EXIT_FAILURE;
28			name_ptr++;
29	niro	532
30			/* Modify the subarchive handler based on the extension */
31	niro	816	if (ENABLE_FEATURE_SEAMLESS_GZ
32			&& strcmp(name_ptr, "gz") == 0
33			) {
34	niro	984	archive_handle->dpkg__action_data_subarchive = get_header_tar_gz;
35	niro	532	return EXIT_SUCCESS;
36			}
37	niro	816	if (ENABLE_FEATURE_SEAMLESS_BZ2
38			&& strcmp(name_ptr, "bz2") == 0
39			) {
40	niro	984	archive_handle->dpkg__action_data_subarchive = get_header_tar_bz2;
41	niro	532	return EXIT_SUCCESS;
42			}
43	niro	816	if (ENABLE_FEATURE_SEAMLESS_LZMA
44			&& strcmp(name_ptr, "lzma") == 0
45			) {
46	niro	984	archive_handle->dpkg__action_data_subarchive = get_header_tar_lzma;
47	niro	532	return EXIT_SUCCESS;
48			}
49			}
50			return EXIT_FAILURE;
51			}