2
* Copyright (c) 2008 Anselm Strauss
5
* Redistribution and use in source and binary forms, with or without
6
* modification, are permitted provided that the following conditions
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.
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.
27
* Development supported by Google Summer of Code 2008.
31
__FBSDID("$FreeBSD: head/lib/libarchive/test/test_write_format_zip_no_compression.c 201247 2009-12-30 05:59:21Z kientzle $");
34
bitcrc32(unsigned long c, void *_p, size_t s)
36
/* This is a drop-in replacement for crc32() from zlib.
37
* Libarchive should be able to correctly generate
38
* uncompressed zip archives (including correct CRCs) even
39
* when zlib is unavailable, and this function helps us verify
40
* that. Yes, this is very, very slow and unsuitable for
41
* production use, but it's correct, compact, and works well
42
* enough for this particular usage. Libarchive internally
43
* uses a much more efficient implementation. */
44
const unsigned char *p = _p;
52
for (bitctr = 8; bitctr > 0; --bitctr) {
53
if (c & 1) c = (c >> 1);
54
else c = (c >> 1) ^ 0xedb88320;
61
/* Quick and dirty: Read 2-byte and 4-byte integers from Zip file. */
62
static int i2(const char *p) { return ((p[0] & 0xff) | ((p[1] & 0xff) << 8)); }
63
static int i4(const char *p) { return (i2(p) | (i2(p + 2) << 16)); }
65
DEFINE_TEST(test_write_format_zip_no_compression)
69
struct archive_entry *entry;
72
/* p is the pointer to walk over the central directory,
73
* q walks over the local headers, the data and the data descriptors. */
78
char file_name[] = "file";
79
char file_data1[] = {'1', '2', '3', '4', '5'};
80
char file_data2[] = {'6', '7', '8', '9', '0'};
81
int file_perm = 00644;
86
char folder_name[] = "folder/";
87
int folder_perm = 00755;
88
short folder_uid = 30;
89
short folder_gid = 40;
92
time_t t = time(NULL);
93
struct tm *tm = localtime(&t);
98
/* Create new ZIP archive in memory without padding. */
99
assert((a = archive_write_new()) != NULL);
100
assertA(0 == archive_write_set_format_zip(a));
101
assertA(0 == archive_write_set_format_options(a, "zip:compression=store"));
102
assertA(0 == archive_write_set_compression_none(a));
103
assertA(0 == archive_write_set_bytes_per_block(a, 1));
104
assertA(0 == archive_write_set_bytes_in_last_block(a, 1));
105
assertA(0 == archive_write_open_memory(a, buff, sizeof(buff), &used));
110
assert((entry = archive_entry_new()) != NULL);
111
archive_entry_set_pathname(entry, file_name);
112
archive_entry_set_mode(entry, S_IFREG | 0644);
113
archive_entry_set_size(entry, sizeof(file_data1) + sizeof(file_data2));
114
archive_entry_set_uid(entry, file_uid);
115
archive_entry_set_gid(entry, file_gid);
116
archive_entry_set_mtime(entry, t, 0);
117
archive_entry_set_atime(entry, t, 0);
118
archive_entry_set_ctime(entry, t, 0);
119
assertEqualIntA(a, 0, archive_write_header(a, entry));
120
assertEqualIntA(a, sizeof(file_data1), archive_write_data(a, file_data1, sizeof(file_data1)));
121
assertEqualIntA(a, sizeof(file_data2), archive_write_data(a, file_data2, sizeof(file_data2)));
122
archive_entry_free(entry);
125
assert((entry = archive_entry_new()) != NULL);
126
archive_entry_set_pathname(entry, folder_name);
127
archive_entry_set_mode(entry, S_IFDIR | folder_perm);
128
archive_entry_set_size(entry, 0);
129
archive_entry_set_uid(entry, folder_uid);
130
archive_entry_set_gid(entry, folder_gid);
131
archive_entry_set_mtime(entry, t, 0);
132
archive_entry_set_atime(entry, t, 0);
133
archive_entry_set_ctime(entry, t, 0);
134
assertEqualIntA(a, 0, archive_write_header(a, entry));
135
archive_entry_free(entry);
137
/* Close the archive . */
138
assertA(0 == archive_write_close(a));
139
assertA(0 == archive_write_finish(a));
141
/* Remember the end of the archive in memory. */
142
buffend = buff + used;
144
/* Verify "End of Central Directory" record. */
145
/* Get address of end-of-central-directory record. */
146
p = buffend - 22; /* Assumes there is no zip comment field. */
147
failure("End-of-central-directory begins with PK\\005\\006 signature");
148
assertEqualMem(p, "PK\005\006", 4);
149
failure("This must be disk 0");
150
assertEqualInt(i2(p + 4), 0);
151
failure("Central dir must start on disk 0");
152
assertEqualInt(i2(p + 6), 0);
153
failure("All central dir entries are on this disk");
154
assertEqualInt(i2(p + 8), i2(p + 10));
155
failure("CD start (%d) + CD length (%d) should == archive size - 22",
156
i4(p + 12), i4(p + 16));
157
assertEqualInt(i4(p + 12) + i4(p + 16), used - 22);
158
failure("no zip comment");
159
assertEqualInt(i2(p + 20), 0);
161
/* Get address of first entry in central directory. */
162
p = buff + i4(buffend - 6);
163
failure("Central file record at offset %d should begin with"
164
" PK\\001\\002 signature",
167
/* Verify file entry in central directory. */
168
assertEqualMem(p, "PK\001\002", 4); /* Signature */
169
assertEqualInt(i2(p + 4), 3 * 256 + 20); /* Version made by */
170
assertEqualInt(i2(p + 6), 20); /* Version needed to extract */
171
assertEqualInt(i2(p + 8), 8); /* Flags */
172
assertEqualInt(i2(p + 10), 0); /* Compression method */
173
assertEqualInt(i2(p + 12), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
174
assertEqualInt(i2(p + 14), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
175
crc = bitcrc32(0, file_data1, sizeof(file_data1));
176
crc = bitcrc32(crc, file_data2, sizeof(file_data2));
177
assertEqualInt(i4(p + 16), crc); /* CRC-32 */
178
assertEqualInt(i4(p + 20), sizeof(file_data1) + sizeof(file_data2)); /* Compressed size */
179
assertEqualInt(i4(p + 24), sizeof(file_data1) + sizeof(file_data2)); /* Uncompressed size */
180
assertEqualInt(i2(p + 28), strlen(file_name)); /* Pathname length */
181
assertEqualInt(i2(p + 30), 13); /* Extra field length */
182
assertEqualInt(i2(p + 32), 0); /* File comment length */
183
assertEqualInt(i2(p + 34), 0); /* Disk number start */
184
assertEqualInt(i2(p + 36), 0); /* Internal file attrs */
185
assertEqualInt(i4(p + 38) >> 16 & 01777, file_perm); /* External file attrs */
186
assertEqualInt(i4(p + 42), 0); /* Offset of local header */
187
assertEqualMem(p + 46, file_name, strlen(file_name)); /* Pathname */
188
p = p + 46 + strlen(file_name);
189
assertEqualInt(i2(p), 0x5455); /* 'UT' extension header */
190
assertEqualInt(i2(p + 2), 5); /* 'UT' size */
191
assertEqualInt(p[4], 7); /* 'UT' flags */
192
assertEqualInt(i4(p + 5), t); /* 'UT' mtime */
194
assertEqualInt(i2(p), 0x7855); /* 'Ux' extension header */
195
assertEqualInt(i2(p + 2), 0); /* 'Ux' size */
198
/* Verify local header of file entry. */
200
assertEqualMem(q, "PK\003\004", 4); /* Signature */
201
assertEqualInt(i2(q + 4), 20); /* Version needed to extract */
202
assertEqualInt(i2(q + 6), 8); /* Flags */
203
assertEqualInt(i2(q + 8), 0); /* Compression method */
204
assertEqualInt(i2(q + 10), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
205
assertEqualInt(i2(q + 12), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
206
assertEqualInt(i4(q + 14), 0); /* CRC-32 */
207
assertEqualInt(i4(q + 18), sizeof(file_data1) + sizeof(file_data2)); /* Compressed size */
208
assertEqualInt(i4(q + 22), sizeof(file_data1) + sizeof(file_data2)); /* Uncompressed size */
209
assertEqualInt(i2(q + 26), strlen(file_name)); /* Pathname length */
210
assertEqualInt(i2(q + 28), 25); /* Extra field length */
211
assertEqualMem(q + 30, file_name, strlen(file_name)); /* Pathname */
212
q = q + 30 + strlen(file_name);
213
assertEqualInt(i2(q), 0x5455); /* 'UT' extension header */
214
assertEqualInt(i2(q + 2), 13); /* 'UT' size */
215
assertEqualInt(q[4], 7); /* 'UT' flags */
216
assertEqualInt(i4(q + 5), t); /* 'UT' mtime */
217
assertEqualInt(i4(q + 9), t); /* 'UT' atime */
218
assertEqualInt(i4(q + 13), t); /* 'UT' ctime */
220
assertEqualInt(i2(q), 0x7855); /* 'Ux' extension header */
221
assertEqualInt(i2(q + 2), 4); /* 'Ux' size */
222
assertEqualInt(i2(q + 4), file_uid); /* 'Ux' UID */
223
assertEqualInt(i2(q + 6), file_gid); /* 'Ux' GID */
226
/* Verify data of file entry. */
227
assertEqualMem(q, file_data1, sizeof(file_data1));
228
assertEqualMem(q + sizeof(file_data1), file_data2, sizeof(file_data2));
229
q = q + sizeof(file_data1) + sizeof(file_data2);
231
/* Verify data descriptor of file entry. */
232
assertEqualMem(q, "PK\007\010", 4); /* Signature */
233
assertEqualInt(i4(q + 4), crc); /* CRC-32 */
234
assertEqualInt(i4(q + 8), sizeof(file_data1) + sizeof(file_data2)); /* Compressed size */
235
assertEqualInt(i4(q + 12), sizeof(file_data1) + sizeof(file_data2)); /* Uncompressed size */
238
/* Verify folder entry in central directory. */
239
assertEqualMem(p, "PK\001\002", 4); /* Signature */
240
assertEqualInt(i2(p + 4), 3 * 256 + 20); /* Version made by */
241
assertEqualInt(i2(p + 6), 20); /* Version needed to extract */
242
assertEqualInt(i2(p + 8), 8); /* Flags */
243
assertEqualInt(i2(p + 10), 0); /* Compression method */
244
assertEqualInt(i2(p + 12), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
245
assertEqualInt(i2(p + 14), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
247
assertEqualInt(i4(p + 16), crc); /* CRC-32 */
248
assertEqualInt(i4(p + 20), 0); /* Compressed size */
249
assertEqualInt(i4(p + 24), 0); /* Uncompressed size */
250
assertEqualInt(i2(p + 28), strlen(folder_name)); /* Pathname length */
251
assertEqualInt(i2(p + 30), 13); /* Extra field length */
252
assertEqualInt(i2(p + 32), 0); /* File comment length */
253
assertEqualInt(i2(p + 34), 0); /* Disk number start */
254
assertEqualInt(i2(p + 36), 0); /* Internal file attrs */
255
assertEqualInt(i4(p + 38) >> 16 & 01777, folder_perm); /* External file attrs */
256
assertEqualInt(i4(p + 42), q - buff); /* Offset of local header */
257
assertEqualMem(p + 46, folder_name, strlen(folder_name)); /* Pathname */
258
p = p + 46 + strlen(folder_name);
259
assertEqualInt(i2(p), 0x5455); /* 'UT' extension header */
260
assertEqualInt(i2(p + 2), 5); /* 'UT' size */
261
assertEqualInt(p[4], 7); /* 'UT' flags */
262
assertEqualInt(i4(p + 5), t); /* 'UT' mtime */
264
assertEqualInt(i2(p), 0x7855); /* 'Ux' extension header */
265
assertEqualInt(i2(p + 2), 0); /* 'Ux' size */
268
/* Verify local header of folder entry. */
269
assertEqualMem(q, "PK\003\004", 4); /* Signature */
270
assertEqualInt(i2(q + 4), 20); /* Version needed to extract */
271
assertEqualInt(i2(q + 6), 8); /* Flags */
272
assertEqualInt(i2(q + 8), 0); /* Compression method */
273
assertEqualInt(i2(q + 10), (tm->tm_hour * 2048) + (tm->tm_min * 32) + (tm->tm_sec / 2)); /* File time */
274
assertEqualInt(i2(q + 12), ((tm->tm_year - 80) * 512) + ((tm->tm_mon + 1) * 32) + tm->tm_mday); /* File date */
275
assertEqualInt(i4(q + 14), 0); /* CRC-32 */
276
assertEqualInt(i4(q + 18), 0); /* Compressed size */
277
assertEqualInt(i4(q + 22), 0); /* Uncompressed size */
278
assertEqualInt(i2(q + 26), strlen(folder_name)); /* Pathname length */
279
assertEqualInt(i2(q + 28), 25); /* Extra field length */
280
assertEqualMem(q + 30, folder_name, strlen(folder_name)); /* Pathname */
281
q = q + 30 + strlen(folder_name);
282
assertEqualInt(i2(q), 0x5455); /* 'UT' extension header */
283
assertEqualInt(i2(q + 2), 13); /* 'UT' size */
284
assertEqualInt(q[4], 7); /* 'UT' flags */
285
assertEqualInt(i4(q + 5), t); /* 'UT' mtime */
286
assertEqualInt(i4(q + 9), t); /* 'UT' atime */
287
assertEqualInt(i4(q + 13), t); /* 'UT' ctime */
289
assertEqualInt(i2(q), 0x7855); /* 'Ux' extension header */
290
assertEqualInt(i2(q + 2), 4); /* 'Ux' size */
291
assertEqualInt(i2(q + 4), folder_uid); /* 'Ux' UID */
292
assertEqualInt(i2(q + 6), folder_gid); /* 'Ux' GID */
295
/* There should not be any data in the folder entry,
296
* meaning next is the data descriptor header. */
298
/* Verify data descriptor of folder entry. */
299
assertEqualMem(q, "PK\007\010", 4); /* Signature */
300
assertEqualInt(i4(q + 4), crc); /* CRC-32 */
301
assertEqualInt(i4(q + 8), 0); /* Compressed size */
302
assertEqualInt(i4(q + 12), 0); /* Uncompressed size */