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 
35 static void
36 test_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 
71 DEFINE_TEST(test_compat_tar_directory)
72 {
73 	test_compat_tar_directory_1();
74 }
75 
76 
77