1 /*-
2  * Copyright (c) 2003-2008 Tim Kientzle
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  * Verify our ability to read sample files compatibly with gunzip.
29  *
30  * In particular:
31  *  * gunzip will read multiple gzip streams, concatenating the output
32  *  * gunzip will stop at the end of a stream if the following data
33  *    doesn't start with a gzip signature.
34  */
35 
36 /*
37  * All of the sample files have the same contents; they're just
38  * compressed in different ways.
39  */
40 static void
41 verify(const char *name)
42 {
43 	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
44 	struct archive_entry *ae;
45 	struct archive *a;
46 	int i,r;
47 
48 	assert((a = archive_read_new()) != NULL);
49 	r = archive_read_support_filter_gzip(a);
50 	if (r == ARCHIVE_WARN) {
51 		skipping("gzip reading not fully supported on this platform");
52 		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
53 		return;
54 	}
55 	assertEqualIntA(a, ARCHIVE_OK, r);
56 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
57 	extract_reference_file(name);
58 	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 200));
59 
60 	/* Read entries, match up names with list above. */
61 	for (i = 0; i < 6; ++i) {
62 		failure("Could not read file %d (%s) from %s", i, n[i], name);
63 		assertEqualIntA(a, ARCHIVE_OK,
64 		    archive_read_next_header(a, &ae));
65 		if (r != ARCHIVE_OK) {
66 			archive_read_free(a);
67 			return;
68 		}
69 		assertEqualString(n[i], archive_entry_pathname(ae));
70 	}
71 
72 	/* Verify the end-of-archive. */
73 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
74 
75 	/* Verify that the format detection worked. */
76 	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_GZIP);
77 	assertEqualString(archive_filter_name(a, 0), "gzip");
78 	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
79 
80 	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
81 	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
82 }
83 
84 
85 DEFINE_TEST(test_compat_gzip)
86 {
87 	/* This sample has been 'split', each piece compressed separately,
88 	 * then concatenated.  Gunzip will emit the concatenated result. */
89 	/* Not supported in libarchive 2.6 and earlier */
90 	verify("test_compat_gzip_1.tgz");
91 	/* This sample has been compressed as a single stream, but then
92 	 * some unrelated garbage text has been appended to the end. */
93 	verify("test_compat_gzip_2.tgz");
94 }
95 
96 
97