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
verify(const char * name)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
DEFINE_TEST(test_compat_gzip)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