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__FBSDID("$FreeBSD$");
27
28/*
29 * Verify our ability to read sample files compatibly with gunzip.
30 *
31 * In particular:
32 *  * gunzip will read multiple gzip streams, concatenating the output
33 *  * gunzip will stop at the end of a stream if the following data
34 *    doesn't start with a gzip signature.
35 */
36
37/*
38 * All of the sample files have the same contents; they're just
39 * compressed in different ways.
40 */
41static void
42verify(const char *name)
43{
44	const char *n[7] = { "f1", "f2", "f3", "d1/f1", "d1/f2", "d1/f3", NULL };
45	struct archive_entry *ae;
46	struct archive *a;
47	int i,r;
48
49	assert((a = archive_read_new()) != NULL);
50	r = archive_read_support_filter_gzip(a);
51	if (r == ARCHIVE_WARN) {
52		skipping("gzip reading not fully supported on this platform");
53		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
54		return;
55	}
56	assertEqualIntA(a, ARCHIVE_OK, r);
57	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
58	extract_reference_file(name);
59	assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, name, 200));
60
61	/* Read entries, match up names with list above. */
62	for (i = 0; i < 6; ++i) {
63		failure("Could not read file %d (%s) from %s", i, n[i], name);
64		assertEqualIntA(a, ARCHIVE_OK,
65		    archive_read_next_header(a, &ae));
66		if (r != ARCHIVE_OK) {
67			archive_read_free(a);
68			return;
69		}
70		assertEqualString(n[i], archive_entry_pathname(ae));
71	}
72
73	/* Verify the end-of-archive. */
74	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
75
76	/* Verify that the format detection worked. */
77	assertEqualInt(archive_filter_code(a, 0), ARCHIVE_FILTER_GZIP);
78	assertEqualString(archive_filter_name(a, 0), "gzip");
79	assertEqualInt(archive_format(a), ARCHIVE_FORMAT_TAR_USTAR);
80
81	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
82	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
83}
84
85
86DEFINE_TEST(test_compat_gzip)
87{
88	/* This sample has been 'split', each piece compressed separately,
89	 * then concatenated.  Gunzip will emit the concatenated result. */
90	/* Not supported in libarchive 2.6 and earlier */
91	verify("test_compat_gzip_1.tgz");
92	/* This sample has been compressed as a single stream, but then
93	 * some unrelated garbage text has been appended to the end. */
94	verify("test_compat_gzip_2.tgz");
95}
96
97
98