1 /*-
2 * Copyright (c) 2003-2007 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: head/lib/libarchive/test/test_write_open_memory.c 189308 2009-03-03 17:02:51Z kientzle $");
27
28 /* Try to force archive_write_open_memory.c to write past the end of an array. */
29 static unsigned char buff[16384];
30
DEFINE_TEST(test_write_open_memory)31 DEFINE_TEST(test_write_open_memory)
32 {
33 unsigned int i;
34 struct archive *a;
35 struct archive_entry *ae;
36 const char *name="/tmp/test";
37
38 /* Create a simple archive_entry. */
39 assert((ae = archive_entry_new()) != NULL);
40 archive_entry_set_pathname(ae, name);
41 archive_entry_set_mode(ae, S_IFREG);
42 assertEqualString(archive_entry_pathname(ae), name);
43
44 /* Try writing with different buffer sizes. */
45 /* Make sure that we get failure on too-small buffers, success on
46 * large enough ones. */
47 for (i = 100; i < 1600; i++) {
48 size_t s;
49 size_t blocksize = 94;
50 assert((a = archive_write_new()) != NULL);
51 assertA(0 == archive_write_set_format_ustar(a));
52 assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
53 assertA(0 == archive_write_set_bytes_per_block(a, (int)blocksize));
54 buff[i] = 0xAE;
55 assertA(0 == archive_write_open_memory(a, buff, i, &s));
56 /* If buffer is smaller than a tar header, this should fail. */
57 if (i < (511/blocksize)*blocksize)
58 assertA(ARCHIVE_FATAL == archive_write_header(a,ae));
59 else
60 assertA(0 == archive_write_header(a, ae));
61 /* If buffer is smaller than a tar header plus 1024 byte
62 * end-of-archive marker, then this should fail. */
63 if (i < 1536)
64 assertA(ARCHIVE_FATAL == archive_write_close(a));
65 else
66 assertA(0 == archive_write_close(a));
67 #if ARCHIVE_VERSION_NUMBER < 2000000
68 archive_write_finish(a);
69 #else
70 assert(0 == archive_write_finish(a));
71 #endif
72 assert(buff[i] == 0xAE);
73 assert(s <= i);
74 }
75 archive_entry_free(ae);
76 }
77