1 /*-
2  * Copyright (c) 2013 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 static void
28 verify_padded_archive(const char *refname)
29 {
30 	char *p;
31 	size_t s;
32 	struct archive *a;
33 	struct archive_entry *ae;
34 
35 	extract_reference_file(refname);
36 	p = slurpfile(&s, "%s", refname);
37 
38 	assert((a = archive_read_new()) != NULL);
39 	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_zip_seekable(a));
40 	assertEqualIntA(a, ARCHIVE_OK, read_open_memory_seek(a, p, s, 1));
41 
42 	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
43 	assertEqualString("file0", archive_entry_pathname(ae));
44 	assertEqualInt(AE_IFREG | 0644, archive_entry_mode(ae));
45 	assertEqualInt(6, archive_entry_size(ae));
46 
47 	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
48 	assertEqualString("file1", archive_entry_pathname(ae));
49 	assertEqualInt(AE_IFREG | 0644, archive_entry_mode(ae));
50 	assertEqualInt(6, archive_entry_size(ae));
51 
52 	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));
53 	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
54 	assertEqualIntA(a, ARCHIVE_OK, archive_read_free(a));
55 
56 	free(p);
57 }
58 
59 /*
60  * Read a zip file with padding in front.
61  * This is technically a malformed file, since the
62  * internal file offsets aren't adjusted to account
63  * for the added padding.  Unfortunately, some SFX
64  * creators do almost exactly this:
65  */
66 DEFINE_TEST(test_read_format_zip_padded1)
67 {
68 	const char *refname = "test_read_format_zip_padded1.zip";
69 	verify_padded_archive(refname);
70 }
71 
72 /*
73  * Read a zip file with padding at end.
74  * Small amounts of end padding should just be ignored by the reader.
75  * (If there's too much, the reader won't find the central directory.)
76  */
77 DEFINE_TEST(test_read_format_zip_padded2)
78 {
79 	const char *refname = "test_read_format_zip_padded2.zip";
80 	verify_padded_archive(refname);
81 }
82 
83 /*
84  * Read a zip file with padding at front and end.
85  */
86 DEFINE_TEST(test_read_format_zip_padded3)
87 {
88 	const char *refname = "test_read_format_zip_padded3.zip";
89 	verify_padded_archive(refname);
90 }
91 
92