1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
|
/*-
* Copyright (c) 2003-2007 Tim Kientzle
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "test.h"
__FBSDID("$FreeBSD: head/lib/libarchive/test/test_read_format_gtar_sparse.c 189308 2009-03-03 17:02:51Z kientzle $");
struct contents {
off_t o;
size_t s;
const char *d;
};
struct contents archive_contents_sparse[] = {
{ 1000000, 1, "a" },
{ 2000000, 1, "a" },
{ 3145728, 0, NULL }
};
struct contents archive_contents_sparse2[] = {
{ 1000000, 1, "a" },
{ 2000000, 1, "a" },
{ 3000000, 1, "a" },
{ 4000000, 1, "a" },
{ 5000000, 1, "a" },
{ 6000000, 1, "a" },
{ 7000000, 1, "a" },
{ 8000000, 1, "a" },
{ 9000000, 1, "a" },
{ 10000000, 1, "a" },
{ 11000000, 1, "a" },
{ 12000000, 1, "a" },
{ 13000000, 1, "a" },
{ 14000000, 1, "a" },
{ 15000000, 1, "a" },
{ 16000000, 1, "a" },
{ 17000000, 1, "a" },
{ 18000000, 1, "a" },
{ 19000000, 1, "a" },
{ 20000000, 1, "a" },
{ 21000000, 1, "a" },
{ 22000000, 1, "a" },
{ 23000000, 1, "a" },
{ 24000000, 1, "a" },
{ 25000000, 1, "a" },
{ 26000000, 1, "a" },
{ 27000000, 1, "a" },
{ 28000000, 1, "a" },
{ 29000000, 1, "a" },
{ 30000000, 1, "a" },
{ 31000000, 1, "a" },
{ 32000000, 1, "a" },
{ 33000000, 1, "a" },
{ 34000000, 1, "a" },
{ 35000000, 1, "a" },
{ 36000000, 1, "a" },
{ 37000000, 1, "a" },
{ 38000000, 1, "a" },
{ 39000000, 1, "a" },
{ 40000000, 1, "a" },
{ 41000000, 1, "a" },
{ 42000000, 1, "a" },
{ 43000000, 1, "a" },
{ 44000000, 1, "a" },
{ 45000000, 1, "a" },
{ 46000000, 1, "a" },
{ 47000000, 1, "a" },
{ 48000000, 1, "a" },
{ 49000000, 1, "a" },
{ 50000000, 1, "a" },
{ 51000000, 1, "a" },
{ 52000000, 1, "a" },
{ 53000000, 1, "a" },
{ 54000000, 1, "a" },
{ 55000000, 1, "a" },
{ 56000000, 1, "a" },
{ 57000000, 1, "a" },
{ 58000000, 1, "a" },
{ 59000000, 1, "a" },
{ 60000000, 1, "a" },
{ 61000000, 1, "a" },
{ 62000000, 1, "a" },
{ 63000000, 1, "a" },
{ 64000000, 1, "a" },
{ 65000000, 1, "a" },
{ 66000000, 1, "a" },
{ 67000000, 1, "a" },
{ 68000000, 1, "a" },
{ 69000000, 1, "a" },
{ 70000000, 1, "a" },
{ 71000000, 1, "a" },
{ 72000000, 1, "a" },
{ 73000000, 1, "a" },
{ 74000000, 1, "a" },
{ 75000000, 1, "a" },
{ 76000000, 1, "a" },
{ 77000000, 1, "a" },
{ 78000000, 1, "a" },
{ 79000000, 1, "a" },
{ 80000000, 1, "a" },
{ 81000000, 1, "a" },
{ 82000000, 1, "a" },
{ 83000000, 1, "a" },
{ 84000000, 1, "a" },
{ 85000000, 1, "a" },
{ 86000000, 1, "a" },
{ 87000000, 1, "a" },
{ 88000000, 1, "a" },
{ 89000000, 1, "a" },
{ 90000000, 1, "a" },
{ 91000000, 1, "a" },
{ 92000000, 1, "a" },
{ 93000000, 1, "a" },
{ 94000000, 1, "a" },
{ 95000000, 1, "a" },
{ 96000000, 1, "a" },
{ 97000000, 1, "a" },
{ 98000000, 1, "a" },
{ 99000000, 1, "a" },
{ 99000001, 0, NULL }
};
struct contents archive_contents_nonsparse[] = {
{ 0, 1, "a" },
{ 1, 0, NULL }
};
/*
* Describe an archive with three entries:
*
* File 1: named "sparse"
* * a length of 3145728 bytes (3MiB)
* * a single 'a' byte at offset 1000000
* * a single 'a' byte at offset 2000000
* File 2: named "sparse2"
* * a single 'a' byte at offset 1,000,000, 2,000,000, ..., 99,000,000
* * length of 99,000,001
* File 3: named 'non-sparse'
* * length of 1 byte
* * contains a single byte 'a'
*/
struct archive_contents {
const char *filename;
struct contents *contents;
} files[] = {
{ "sparse", archive_contents_sparse },
{ "sparse2", archive_contents_sparse2 },
{ "non-sparse", archive_contents_nonsparse },
{ NULL, NULL }
};
static void
verify_archive_file(const char *name, struct archive_contents *ac)
{
struct archive_entry *ae;
int err;
/* data, size, offset of next expected block. */
struct contents expect;
/* data, size, offset of block read from archive. */
struct contents actual;
const void *p;
struct archive *a;
extract_reference_file(name);
assert((a = archive_read_new()) != NULL);
assert(0 == archive_read_support_compression_all(a));
assert(0 == archive_read_support_format_tar(a));
failure("Can't open %s", name);
assert(0 == archive_read_open_filename(a, name, 3));
while (ac->filename != NULL) {
struct contents *cts = ac->contents;
if (!assertEqualIntA(a, 0, archive_read_next_header(a, &ae))) {
assert(0 == archive_read_finish(a));
return;
}
failure("Name mismatch in archive %s", name);
assertEqualString(ac->filename, archive_entry_pathname(ae));
expect = *cts++;
while (0 == (err = archive_read_data_block(a,
&p, &actual.s, &actual.o))) {
actual.d = p;
while (actual.s > 0) {
char c = *actual.d;
if(actual.o < expect.o) {
/*
* Any byte before the expected
* data must be NULL.
*/
failure("%s: pad at offset %d "
"should be zero", name, actual.o);
assertEqualInt(c, 0);
} else if (actual.o == expect.o) {
/*
* Data at matching offsets must match.
*/
assertEqualInt(c, *expect.d);
expect.d++;
expect.o++;
expect.s--;
/* End of expected? step to next expected. */
if (expect.s <= 0)
expect = *cts++;
} else {
/*
* We found data beyond that expected.
*/
failure("%s: Unexpected trailing data",
name);
assert(actual.o <= expect.o);
archive_read_finish(a);
return;
}
actual.d++;
actual.o++;
actual.s--;
}
}
failure("%s: should be end of entry", name);
assertEqualIntA(a, err, ARCHIVE_EOF);
failure("%s: Size returned at EOF must be zero", name);
assertEqualInt((int)actual.s, 0);
#if ARCHIVE_VERSION_NUMBER < 1009000
/* libarchive < 1.9 doesn't get this right */
skipping("offset of final sparse chunk");
#else
failure("%s: Offset of final empty chunk must be same as file size", name);
assertEqualInt(actual.o, expect.o);
#endif
/* Step to next file description. */
++ac;
}
err = archive_read_next_header(a, &ae);
assertEqualIntA(a, ARCHIVE_EOF, err);
assert(0 == archive_read_close(a));
#if ARCHIVE_VERSION_NUMBER < 2000000
archive_read_finish(a);
#else
assert(0 == archive_read_finish(a));
#endif
}
DEFINE_TEST(test_read_format_gtar_sparse)
{
/* Two archives that use the "GNU tar sparse format". */
verify_archive_file("test_read_format_gtar_sparse_1_13.tar", files);
verify_archive_file("test_read_format_gtar_sparse_1_17.tar", files);
/*
* libarchive < 1.9 doesn't support the newer --posix sparse formats
* from GNU tar 1.15 and later.
*/
#if ARCHIVE_VERSION_NUMBER < 1009000
skipping("read support for GNUtar --posix sparse formats");
#else
/*
* An archive created by GNU tar 1.17 using --posix --sparse-format=0.1
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix00.tar",
files);
/*
* An archive created by GNU tar 1.17 using --posix --sparse-format=0.1
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix01.tar",
files);
/*
* An archive created by GNU tar 1.17 using --posix --sparse-format=1.0
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix10.tar",
files);
/*
* The last test archive here is a little odd. First, it's
* uncompressed, because that exercises some of the block
* reassembly code a little harder. Second, it includes some
* leading comments prior to the sparse block description.
* GNU tar doesn't do this, but I think it should, so I want
* to ensure that libarchive correctly ignores such comments.
* Dump the file, looking for "#!gnu-sparse-format" starting
* at byte 0x600.
*/
verify_archive_file(
"test_read_format_gtar_sparse_1_17_posix10_modified.tar",
files);
#endif
}
|