1 /*-
2 * Copyright (c) 2007-2010 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 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "test.h"
28 __FBSDID("$FreeBSD$");
29
30 /*
31 * Check that we generate an error message when reading a truncated
32 * gzip, bzip2, compress, xz, lzma, or lzip file.
33 */
34
35 static void
test_truncation(const char * compression,int (* set_compression)(struct archive *),int can_prog)36 test_truncation(const char *compression,
37 int (*set_compression)(struct archive *), int can_prog)
38 {
39 struct archive_entry *ae;
40 struct archive* a;
41 char path[16];
42 char *buff, *data;
43 size_t buffsize, datasize, used1;
44 int i, j, r, use_prog;
45
46 buffsize = 2000000;
47 assert(NULL != (buff = (char *)malloc(buffsize)));
48 if (buff == NULL)
49 return;
50
51 datasize = 10000;
52 assert(NULL != (data = (char *)malloc(datasize)));
53 if (data == NULL) {
54 free(buff);
55 return;
56 }
57 memset(data, 0, datasize);
58
59 /*
60 * Write a bunch of files with semi-random data.
61 */
62 assert((a = archive_write_new()) != NULL);
63 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
64 assertEqualIntA(a, ARCHIVE_OK,
65 archive_write_add_filter_compress(a));
66 r = (*set_compression)(a);
67 if (r != ARCHIVE_OK && !can_prog) {
68 skipping("%s writing not supported on this platform",
69 compression);
70 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
71 free(buff);
72 free(data);
73 return;
74 }
75 use_prog = (r == ARCHIVE_WARN && can_prog);
76 assertEqualIntA(a, ARCHIVE_OK,
77 archive_write_set_bytes_per_block(a, 10));
78 assertEqualIntA(a, ARCHIVE_OK,
79 archive_write_open_memory(a, buff, buffsize, &used1));
80 assert((ae = archive_entry_new()) != NULL);
81 archive_entry_set_filetype(ae, AE_IFREG);
82 archive_entry_set_size(ae, datasize);
83 for (i = 0; i < 100; i++) {
84 sprintf(path, "%s%d", compression, i);
85 archive_entry_copy_pathname(ae, path);
86 failure(path);
87 if (!assertEqualIntA(a, ARCHIVE_OK,
88 archive_write_header(a, ae))) {
89 archive_write_free(a);
90 free(data);
91 free(buff);
92 return;
93 }
94 for (j = 0; j < (int)datasize; ++j) {
95 data[j] = (char)(rand() % 256);
96 }
97 failure(path);
98 if (!assertEqualIntA(a, datasize,
99 archive_write_data(a, data, datasize))) {
100 archive_write_free(a);
101 free(data);
102 free(buff);
103 return;
104 }
105 }
106 archive_entry_free(ae);
107 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
108 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
109
110 assert((a = archive_read_new()) != NULL);
111 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
112 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
113
114 assertEqualIntA(a, ARCHIVE_OK,
115 archive_read_open_memory(a, buff, used1 - used1/64));
116 for (i = 0; i < 100; i++) {
117 if (ARCHIVE_OK != archive_read_next_header(a, &ae)) {
118 failure("Should have non-NULL error message for %s",
119 compression);
120 assert(NULL != archive_error_string(a));
121 break;
122 }
123 sprintf(path, "%s%d", compression, i);
124 assertEqualString(path, archive_entry_pathname(ae));
125 if (datasize != (size_t)archive_read_data(a, data, datasize)) {
126 failure("Should have non-NULL error message for %s",
127 compression);
128 assert(NULL != archive_error_string(a));
129 break;
130 }
131 }
132 assertEqualIntA(a, (use_prog)?ARCHIVE_WARN:ARCHIVE_OK,
133 archive_read_close(a));
134 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
135
136 free(data);
137 free(buff);
138 }
139
DEFINE_TEST(test_read_truncated_filter_bzip2)140 DEFINE_TEST(test_read_truncated_filter_bzip2)
141 {
142 test_truncation("bzip2", archive_write_add_filter_bzip2, canBzip2());
143 }
144
DEFINE_TEST(test_read_truncated_filter_compress)145 DEFINE_TEST(test_read_truncated_filter_compress)
146 {
147 test_truncation("compress", archive_write_add_filter_compress, 0);
148 }
149
DEFINE_TEST(test_read_truncated_filter_gzip)150 DEFINE_TEST(test_read_truncated_filter_gzip)
151 {
152 test_truncation("gzip", archive_write_add_filter_gzip, canGzip());
153 }
154
DEFINE_TEST(test_read_truncated_filter_lzip)155 DEFINE_TEST(test_read_truncated_filter_lzip)
156 {
157 test_truncation("lzip", archive_write_add_filter_lzip, 0);
158 }
159
DEFINE_TEST(test_read_truncated_filter_lzma)160 DEFINE_TEST(test_read_truncated_filter_lzma)
161 {
162 test_truncation("lzma", archive_write_add_filter_lzma, 0);
163 }
164
DEFINE_TEST(test_read_truncated_filter_lzop)165 DEFINE_TEST(test_read_truncated_filter_lzop)
166 {
167 test_truncation("lzop", archive_write_add_filter_lzop, canLzop());
168 }
169
DEFINE_TEST(test_read_truncated_filter_xz)170 DEFINE_TEST(test_read_truncated_filter_xz)
171 {
172 test_truncation("xz", archive_write_add_filter_xz, 0);
173 }
174