aboutsummaryrefslogtreecommitdiffstats
path: root/libarchive/test/test_write_disk.c
blob: 60bcdc24edf5e9896217630d0314dc8e88a6d65b (plain) (blame)
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
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
/*-
 * 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_write_disk.c 201247 2009-12-30 05:59:21Z kientzle $");

#define UMASK 022
/*
 * When comparing mode values, ignore high-order bits
 * that are set on some OSes.  This should cover the bits
 * we're interested in (standard mode bits + file type bits)
 * while ignoring extra markers such as Haiku/BeOS index
 * flags.
 */
#define MODE_MASK 0777777

static void create(struct archive_entry *ae, const char *msg)
{
	struct archive *ad;
	struct stat st;

	/* Write the entry to disk. */
	assert((ad = archive_write_disk_new()) != NULL);
	failure("%s", msg);
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	assertEqualInt(0, archive_write_free(ad));

	/* Test the entries on disk. */
	assert(0 == stat(archive_entry_pathname(ae), &st));
	failure("%s", msg);

#if !defined(_WIN32) || defined(__CYGWIN__)
	/* When verifying a dir, ignore the S_ISGID bit, as some systems set
	 * that automatically. */
	if (archive_entry_filetype(ae) == AE_IFDIR)
		st.st_mode &= ~S_ISGID;
	assertEqualInt(st.st_mode & MODE_MASK,
	    archive_entry_mode(ae) & ~UMASK & MODE_MASK);
#endif
}

static void create_reg_file(struct archive_entry *ae, const char *msg)
{
	static const char data[]="abcdefghijklmnopqrstuvwxyz";
	struct archive *ad;

	/* Write the entry to disk. */
	assert((ad = archive_write_disk_new()) != NULL);
        archive_write_disk_set_options(ad, ARCHIVE_EXTRACT_TIME);
	failure("%s", msg);
	/*
	 * A touchy API design issue: archive_write_data() does (as of
	 * 2.4.12) enforce the entry size as a limit on the data
	 * written to the file.  This was not enforced prior to
	 * 2.4.12.  The change was prompted by the refined
	 * hardlink-restore semantics introduced at that time.  In
	 * short, libarchive needs to know whether a "hardlink entry"
	 * is going to overwrite the contents so that it can know
	 * whether or not to open the file for writing.  This implies
	 * that there is a fundamental semantic difference between an
	 * entry with a zero size and one with a non-zero size in the
	 * case of hardlinks and treating the hardlink case
	 * differently from the regular file case is just asking for
	 * trouble.  So, a zero size must always mean that no data
	 * will be accepted, which is consistent with the file size in
	 * the entry being a maximum size.
	 */
	archive_entry_set_size(ae, sizeof(data));
	archive_entry_set_mtime(ae, 123456789, 0);
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualInt(sizeof(data), archive_write_data(ad, data, sizeof(data)));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	assertEqualInt(0, archive_write_free(ad));

	/* Test the entries on disk. */
	assertIsReg(archive_entry_pathname(ae), archive_entry_mode(ae) & 0777);
	assertFileSize(archive_entry_pathname(ae), sizeof(data));
	/* test_write_disk_times has more detailed tests of this area. */
	assertFileMtime(archive_entry_pathname(ae), 123456789, 0);
        failure("No atime given, so atime should get set to current time");
	assertFileAtimeRecent(archive_entry_pathname(ae));
}

static void create_reg_file2(struct archive_entry *ae, const char *msg)
{
	const int datasize = 100000;
	char *data;
	struct archive *ad;
	int i;

	data = malloc(datasize);
	for (i = 0; i < datasize; i++)
		data[i] = (char)(i % 256);

	/* Write the entry to disk. */
	assert((ad = archive_write_disk_new()) != NULL);
	failure("%s", msg);
	/*
	 * See above for an explanation why this next call
	 * is necessary.
	 */
	archive_entry_set_size(ae, datasize);
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	for (i = 0; i < datasize - 999; i += 1000) {
		assertEqualIntA(ad, ARCHIVE_OK,
		    archive_write_data_block(ad, data + i, 1000, i));
	}
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	assertEqualInt(0, archive_write_free(ad));

	/* Test the entries on disk. */
	assertIsReg(archive_entry_pathname(ae), archive_entry_mode(ae) & 0777);
	assertFileSize(archive_entry_pathname(ae), i);
	assertFileContents(data, datasize, archive_entry_pathname(ae));
	free(data);
}

static void create_reg_file3(struct archive_entry *ae, const char *msg)
{
	static const char data[]="abcdefghijklmnopqrstuvwxyz";
	struct archive *ad;
	struct stat st;

	/* Write the entry to disk. */
	assert((ad = archive_write_disk_new()) != NULL);
	failure("%s", msg);
	/* Set the size smaller than the data and verify the truncation. */
	archive_entry_set_size(ae, 5);
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualInt(5, archive_write_data(ad, data, sizeof(data)));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	assertEqualInt(0, archive_write_free(ad));

	/* Test the entry on disk. */
	assert(0 == stat(archive_entry_pathname(ae), &st));
	failure("st.st_mode=%o archive_entry_mode(ae)=%o",
	    st.st_mode, archive_entry_mode(ae));
#if !defined(_WIN32) || defined(__CYGWIN__)
	assertEqualInt(st.st_mode, (archive_entry_mode(ae) & ~UMASK));
#endif
	assertEqualInt(st.st_size, 5);
}


static void create_reg_file4(struct archive_entry *ae, const char *msg)
{
	static const char data[]="abcdefghijklmnopqrstuvwxyz";
	struct archive *ad;
	struct stat st;

	/* Write the entry to disk. */
	assert((ad = archive_write_disk_new()) != NULL);
	/* Leave the size unset.  The data should not be truncated. */
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualInt(ARCHIVE_OK,
	    archive_write_data_block(ad, data, sizeof(data), 0));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	assertEqualInt(0, archive_write_free(ad));

	/* Test the entry on disk. */
	assert(0 == stat(archive_entry_pathname(ae), &st));
	failure("st.st_mode=%o archive_entry_mode(ae)=%o",
	    st.st_mode, archive_entry_mode(ae));
#if !defined(_WIN32) || defined(__CYGWIN__)
	assertEqualInt(st.st_mode, (archive_entry_mode(ae) & ~UMASK));
#endif
	failure(msg);
	assertEqualInt(st.st_size, sizeof(data));
}

#if defined(_WIN32) && !defined(__CYGWIN__)
static void create_reg_file_win(struct archive_entry *ae, const char *msg)
{
	static const char data[]="abcdefghijklmnopqrstuvwxyz";
	struct archive *ad;
	struct _stat st;
	wchar_t *p, *fname;
	size_t l;

	/* Write the entry to disk. */
	assert((ad = archive_write_disk_new()) != NULL);
	archive_write_disk_set_options(ad, ARCHIVE_EXTRACT_TIME);
	failure("%s", msg);
	archive_entry_set_size(ae, sizeof(data));
	archive_entry_set_mtime(ae, 123456789, 0);
	assertEqualIntA(ad, 0, archive_write_header(ad, ae));
	assertEqualInt(sizeof(data), archive_write_data(ad, data, sizeof(data)));
	assertEqualIntA(ad, 0, archive_write_finish_entry(ad));
	assertEqualInt(0, archive_write_free(ad));

	/* Test the entries on disk. */
	l = wcslen(archive_entry_pathname_w(ae));
	fname = malloc((l + 1) * sizeof(wchar_t));
	assert(NULL != fname);
	wcscpy(fname, archive_entry_pathname_w(ae));
	p = fname;
	/* Skip leading drive letter from archives created
	 * on Windows. */
	if (((p[0] >= L'a' && p[0] <= L'z') ||
	     (p[0] >= L'A' && p[0] <= L'Z')) &&
		 p[1] == L':' && p[2] == L'\\') {
		p += 3;
	}
	/* Replace unusable characters in Windows to '_' */
	for (; *p != L'\0'; p++)
		if (*p == L':' || *p == L'*' || *p == L'?' ||
		    *p == L'"' || *p == L'<' || *p == L'>' || *p == L'|')
			*p = '_';
	assert(0 == _wstat(fname, &st));
	failure("st.st_mode=%o archive_entry_mode(ae)=%o",
	    st.st_mode, archive_entry_mode(ae));
	assertEqualInt(st.st_size, sizeof(data));
	free(fname);
}
#endif /* _WIN32 && !__CYGWIN__ */

DEFINE_TEST(test_write_disk)
{
	struct archive_entry *ae;
#if defined(_WIN32) && !defined(__CYGWIN__)
	wchar_t *fullpath;
	DWORD l;
#endif

	/* Force the umask to something predictable. */
	assertUmask(UMASK);

	/* A regular file. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file(ae, "Test creating a regular file");
	archive_entry_free(ae);

	/* Another regular file. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file2");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file2(ae, "Test creating another regular file");
	archive_entry_free(ae);

	/* A regular file with a size restriction */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file3");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file3(ae, "Regular file with size restriction");
	archive_entry_free(ae);

	/* A regular file with an unspecified size */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file3");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file4(ae, "Regular file with unspecified size");
	archive_entry_free(ae);

	/* A regular file over an existing file */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file");
	archive_entry_set_mode(ae, S_IFREG | 0724);
	create(ae, "Test creating a file over an existing file.");
	archive_entry_free(ae);

	/* A directory. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir");
	archive_entry_set_mode(ae, S_IFDIR | 0555);
	create(ae, "Test creating a regular dir.");
	archive_entry_free(ae);

	/* A directory over an existing file. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file");
	archive_entry_set_mode(ae, S_IFDIR | 0742);
	create(ae, "Test creating a dir over an existing file.");
	archive_entry_free(ae);

	/* A file over an existing dir. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file");
	archive_entry_set_mode(ae, S_IFREG | 0744);
	create(ae, "Test creating a file over an existing dir.");
	archive_entry_free(ae);

#if defined(_WIN32) && !defined(__CYGWIN__)
	/* A file with unusable characters in its file name. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(ae, L"f:i*l?e\"f<i>l|e");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file_win(ae, "Test creating a regular file"
	    " with unusable characters in its file name");
	archive_entry_free(ae);

	/* A file with unusable characters in its directory name. */
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(ae, L"d:i*r?e\"c<t>o|ry/file1");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file_win(ae, "Test creating a regular file"
	    " with unusable characters in its file name");
	archive_entry_free(ae);

	/* A full-path file with unusable characters in its file name. */
	assert((l = GetCurrentDirectoryW(0, NULL)) != 0);
	assert((fullpath = malloc((l + 20) * sizeof(wchar_t))) != NULL);
	assert((l = GetCurrentDirectoryW(l, fullpath)) != 0);
	wcscat(fullpath, L"\\f:i*l?e\"f<i>l|e");
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(ae, fullpath);
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file_win(ae, "Test creating a regular file"
	    " with unusable characters in its file name");
	archive_entry_free(ae);
	free(fullpath);

	/* A full-path file with unusable characters in its directory name. */
	assert((l = GetCurrentDirectoryW(0, NULL)) != 0);
	assert((fullpath = malloc((l + 30) * sizeof(wchar_t))) != NULL);
	assert((l = GetCurrentDirectoryW(l, fullpath)) != 0);
	wcscat(fullpath, L"\\d:i*r?e\"c<t>o|ry/file1");
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname_w(ae, fullpath);
	archive_entry_set_mode(ae, S_IFREG | 0755);
	create_reg_file_win(ae, "Test creating a regular file"
	    " with unusable characters in its file name");
	archive_entry_free(ae);
	free(fullpath);
#endif /* _WIN32 && !__CYGWIN__ */
}