1 /*-
2 * Copyright (c) 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 * 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
29 /*
30 * A basic exercise of bzip2 reading and writing.
31 *
32 * TODO: Add a reference file and make sure we can decompress that.
33 */
34
DEFINE_TEST(test_write_filter_bzip2)35 DEFINE_TEST(test_write_filter_bzip2)
36 {
37 struct archive_entry *ae;
38 struct archive* a;
39 char *buff, *data;
40 size_t buffsize, datasize;
41 char path[16];
42 size_t used1, used2;
43 ssize_t r;
44 int i, use_prog;
45
46 buffsize = 2000000;
47 assert(NULL != (buff = malloc(buffsize)));
48 if (buff == NULL)
49 return;
50
51 datasize = 10000;
52 assert(NULL != (data = malloc(datasize)));
53 if (data == NULL) {
54 free(buff);
55 return;
56 }
57 memset(data, 0, datasize);
58
59 /*
60 * Write a 100 files and read them all back.
61 */
62 assert((a = archive_write_new()) != NULL);
63 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
64 r = archive_write_add_filter_bzip2(a);
65 use_prog = (r == ARCHIVE_WARN && canBzip2());
66 if (r != ARCHIVE_OK && !use_prog) {
67 skipping("bzip2 writing not supported on this platform");
68 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
69 free(buff);
70 free(data);
71 return;
72 }
73
74 assertEqualIntA(a, ARCHIVE_OK,
75 archive_write_set_bytes_per_block(a, 10));
76 assertEqualInt(ARCHIVE_FILTER_BZIP2, archive_filter_code(a, 0));
77 assertEqualString("bzip2", archive_filter_name(a, 0));
78 assertEqualIntA(a, ARCHIVE_OK,
79 archive_write_open_memory(a, buff, buffsize, &used1));
80 assertEqualInt(ARCHIVE_FILTER_BZIP2, archive_filter_code(a, 0));
81 assertEqualString("bzip2", archive_filter_name(a, 0));
82 assert((ae = archive_entry_new()) != NULL);
83 archive_entry_set_filetype(ae, AE_IFREG);
84 archive_entry_set_size(ae, datasize);
85 for (i = 0; i < 999; i++) {
86 snprintf(path, sizeof(path), "file%03d", i);
87 archive_entry_copy_pathname(ae, path);
88 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
89 assertA(datasize
90 == (size_t)archive_write_data(a, data, datasize));
91 }
92 archive_entry_free(ae);
93 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
94 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
95
96 assert((a = archive_read_new()) != NULL);
97 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
98 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
99 assertEqualIntA(a, ARCHIVE_OK,
100 archive_read_open_memory(a, buff, used1));
101 for (i = 0; i < 999; i++) {
102 snprintf(path, sizeof(path), "file%03d", i);
103 if (!assertEqualInt(0, archive_read_next_header(a, &ae)))
104 break;
105 assertEqualString(path, archive_entry_pathname(ae));
106 assertEqualInt((int)datasize, archive_entry_size(ae));
107 }
108 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
109 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
110
111 /*
112 * Repeat the cycle again, this time setting some compression
113 * options.
114 */
115 assert((a = archive_write_new()) != NULL);
116 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
117 assertEqualIntA(a, ARCHIVE_OK,
118 archive_write_set_bytes_per_block(a, 10));
119 if (use_prog)
120 assertEqualIntA(a, ARCHIVE_WARN,
121 archive_write_add_filter_bzip2(a));
122 else
123 assertEqualIntA(a, ARCHIVE_OK,
124 archive_write_add_filter_bzip2(a));
125 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_set_filter_option(a,
126 NULL, "nonexistent-option", "0"));
127 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_set_filter_option(a,
128 NULL, "compression-level", "abc"));
129 assertEqualIntA(a, ARCHIVE_FAILED, archive_write_set_filter_option(a,
130 NULL, "compression-level", "99"));
131 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_filter_option(a,
132 NULL, "compression-level", "9"));
133 assertEqualIntA(a, ARCHIVE_OK,
134 archive_write_open_memory(a, buff, buffsize, &used2));
135 for (i = 0; i < 999; i++) {
136 snprintf(path, sizeof(path), "file%03d", i);
137 assert((ae = archive_entry_new()) != NULL);
138 archive_entry_copy_pathname(ae, path);
139 archive_entry_set_size(ae, datasize);
140 archive_entry_set_filetype(ae, AE_IFREG);
141 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
142 assertA(datasize == (size_t)archive_write_data(a, data,
143 datasize));
144 archive_entry_free(ae);
145 }
146 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
147 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
148
149 /* Curiously, this test fails; the test data above compresses
150 * better at default compression than at level 9. */
151 /*
152 failure("compression-level=9 wrote %d bytes, default wrote %d bytes",
153 (int)used2, (int)used1);
154 assert(used2 < used1);
155 */
156
157 assert((a = archive_read_new()) != NULL);
158 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
159 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
160 assertEqualIntA(a, ARCHIVE_OK,
161 archive_read_open_memory(a, buff, used2));
162 for (i = 0; i < 999; i++) {
163 snprintf(path, sizeof(path), "file%03d", i);
164 if (!assertEqualInt(0, archive_read_next_header(a, &ae)))
165 break;
166 assertEqualString(path, archive_entry_pathname(ae));
167 assertEqualInt((int)datasize, archive_entry_size(ae));
168 }
169 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
170 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
171
172 /*
173 * Repeat again, with much lower compression.
174 */
175 assert((a = archive_write_new()) != NULL);
176 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
177 assertEqualIntA(a, ARCHIVE_OK,
178 archive_write_set_bytes_per_block(a, 10));
179 if (use_prog)
180 assertEqualIntA(a, ARCHIVE_WARN,
181 archive_write_add_filter_bzip2(a));
182 else
183 assertEqualIntA(a, ARCHIVE_OK,
184 archive_write_add_filter_bzip2(a));
185 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_filter_option(a,
186 NULL, "compression-level", "1"));
187 assertEqualIntA(a, ARCHIVE_OK,
188 archive_write_open_memory(a, buff, buffsize, &used2));
189 for (i = 0; i < 999; i++) {
190 snprintf(path, sizeof(path), "file%03d", i);
191 assert((ae = archive_entry_new()) != NULL);
192 archive_entry_copy_pathname(ae, path);
193 archive_entry_set_size(ae, datasize);
194 archive_entry_set_filetype(ae, AE_IFREG);
195 assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
196 failure("Writing file %s", path);
197 assertEqualIntA(a, datasize,
198 (size_t)archive_write_data(a, data, datasize));
199 archive_entry_free(ae);
200 }
201 assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
202 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
203
204 /* Level 0 really does result in larger data. */
205 failure("Compression-level=0 wrote %d bytes; default wrote %d bytes",
206 (int)used2, (int)used1);
207 assert(used2 > used1);
208
209 assert((a = archive_read_new()) != NULL);
210 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
211 assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
212 assertEqualIntA(a, ARCHIVE_OK,
213 archive_read_open_memory(a, buff, used2));
214 for (i = 0; i < 999; i++) {
215 snprintf(path, sizeof(path), "file%03d", i);
216 if (!assertEqualInt(0, archive_read_next_header(a, &ae)))
217 break;
218 assertEqualString(path, archive_entry_pathname(ae));
219 assertEqualInt((int)datasize, archive_entry_size(ae));
220 }
221 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
222 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
223
224 /*
225 * Test various premature shutdown scenarios to make sure we
226 * don't crash or leak memory.
227 */
228 assert((a = archive_write_new()) != NULL);
229 if (use_prog)
230 assertEqualIntA(a, ARCHIVE_WARN,
231 archive_write_add_filter_bzip2(a));
232 else
233 assertEqualIntA(a, ARCHIVE_OK,
234 archive_write_add_filter_bzip2(a));
235 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
236
237 assert((a = archive_write_new()) != NULL);
238 if (use_prog)
239 assertEqualIntA(a, ARCHIVE_WARN,
240 archive_write_add_filter_bzip2(a));
241 else
242 assertEqualIntA(a, ARCHIVE_OK,
243 archive_write_add_filter_bzip2(a));
244 assertEqualInt(ARCHIVE_OK, archive_write_close(a));
245 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
246
247 assert((a = archive_write_new()) != NULL);
248 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
249 if (use_prog)
250 assertEqualIntA(a, ARCHIVE_WARN,
251 archive_write_add_filter_bzip2(a));
252 else
253 assertEqualIntA(a, ARCHIVE_OK,
254 archive_write_add_filter_bzip2(a));
255 assertEqualInt(ARCHIVE_OK, archive_write_close(a));
256 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
257
258 assert((a = archive_write_new()) != NULL);
259 assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
260 if (use_prog)
261 assertEqualIntA(a, ARCHIVE_WARN,
262 archive_write_add_filter_bzip2(a));
263 else
264 assertEqualIntA(a, ARCHIVE_OK,
265 archive_write_add_filter_bzip2(a));
266 assertEqualIntA(a, ARCHIVE_OK,
267 archive_write_open_memory(a, buff, buffsize, &used2));
268 assertEqualInt(ARCHIVE_OK, archive_write_close(a));
269 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
270
271 /*
272 * Test behavior after a fatal error (triggered by giving
273 * archive_write_open_memory() a very small buffer).
274 */
275 if (!use_prog) {
276 used1 = 0;
277 assert((a = archive_write_new()) != NULL);
278 assertEqualIntA(a, ARCHIVE_OK,
279 archive_write_set_format_ustar(a));
280 assertEqualIntA(a, ARCHIVE_OK,
281 archive_write_add_filter_bzip2(a));
282 assertEqualIntA(a, ARCHIVE_OK,
283 archive_write_open_memory(a, buff, 100, &used1));
284 assert((ae = archive_entry_new()) != NULL);
285 archive_entry_set_filetype(ae, AE_IFREG);
286 archive_entry_set_size(ae, 4000000);
287 archive_entry_copy_pathname(ae, "file");
288 assertEqualIntA(a, ARCHIVE_OK,
289 archive_write_header(a, ae));
290 for (i = 0; i < 1000000; i++) {
291 r = archive_write_data(a, &i, 4);
292 if (r == ARCHIVE_FATAL)
293 break;
294 }
295 assertEqualIntA(a, ARCHIVE_FATAL, r);
296 archive_entry_free(ae);
297 assertEqualInt(ARCHIVE_OK, archive_write_free(a));
298 }
299
300 /*
301 * Clean up.
302 */
303 free(data);
304 free(buff);
305 }
306