1/*-
2 * Copyright (c) 2021 Samanta Navarro
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#include "test.h"
26
27/*
28 * Background:  Original tar file format did not use its linkflag to
29 * specify directories.  Instead regular files simply have a slash
30 * appended to their names.  No data blocks follow directories in
31 * archives.  This means that a possibly specified file size must not
32 * be used to determine the amount of data blocks to skip.
33 */
34
35static void
36test_compat_tar_directory_1(void)
37{
38	char name[] = "test_compat_tar_directory_1.tar";
39	struct archive_entry *ae;
40	struct archive *a;
41
42	assert((a = archive_read_new()) != NULL);
43	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
44	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
45	extract_reference_file(name);
46	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
47
48	/* Read first entry, which is a directory in a regular file header. */
49	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
50	assertEqualString("directory1/", archive_entry_pathname(ae));
51	assertEqualInt(AE_IFDIR, archive_entry_filetype(ae));
52	assertEqualInt(1, archive_entry_size(ae));
53
54	/* Read second entry, which is a ustar directory entry. */
55	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
56	assertEqualString("directory2/", archive_entry_pathname(ae));
57	assertEqualInt(AE_IFDIR, archive_entry_filetype(ae));
58	assertEqualInt(0, archive_entry_size(ae));
59
60	/* Verify the end-of-archive. */
61	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
62
63	/* Verify that the format detection worked. */
64	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_NONE);
65	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR);
66
67	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
68	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
69}
70
71DEFINE_TEST(test_compat_tar_directory)
72{
73	test_compat_tar_directory_1();
74}
75
76
77