xref: /freebsd/contrib/libarchive/libarchive/test/test_compat_tar_directory.c (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
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 __FBSDID("$FreeBSD$");
27 
28 /*
29  * Background:  Original tar file format did not use its linkflag to
30  * specify directories.  Instead regular files simply have a slash
31  * appended to their names.  No data blocks follow directories in
32  * archives.  This means that a possibly specified file size must not
33  * be used to determine the amount of data blocks to skip.
34  */
35 
36 static void
37 test_compat_tar_directory_1(void)
38 {
39 	char name[] = "test_compat_tar_directory_1.tar";
40 	struct archive_entry *ae;
41 	struct archive *a;
42 
43 	assert((a = archive_read_new()) != NULL);
44 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
45 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
46 	extract_reference_file(name);
47 	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 10240));
48 
49 	/* Read first entry, which is a directory in a regular file header. */
50 	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
51 	assertEqualString("directory1/", archive_entry_pathname(ae));
52 	assertEqualInt(AE_IFDIR, archive_entry_filetype(ae));
53 	assertEqualInt(1, archive_entry_size(ae));
54 
55 	/* Read second entry, which is a ustar directory entry. */
56 	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
57 	assertEqualString("directory2/", archive_entry_pathname(ae));
58 	assertEqualInt(AE_IFDIR, archive_entry_filetype(ae));
59 	assertEqualInt(0, archive_entry_size(ae));
60 
61 	/* Verify the end-of-archive. */
62 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
63 
64 	/* Verify that the format detection worked. */
65 	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_NONE);
66 	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR);
67 
68 	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
69 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
70 }
71 
72 DEFINE_TEST(test_compat_tar_directory)
73 {
74 	test_compat_tar_directory_1();
75 }
76 
77 
78