summaryrefslogtreecommitdiff
path: root/archivers/libarchive/files/libarchive/test/test_read_extract.c
blob: cd06096eff693a357d8be878bbdc77bb9c14222c (plain)
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
/*-
 * 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_extract.c 201247 2009-12-30 05:59:21Z kientzle $");

#define BUFF_SIZE 1000000
#define FILE_BUFF_SIZE 100000

DEFINE_TEST(test_read_extract)
{
	struct archive_entry *ae;
	struct archive *a;
	size_t used;
	int i, numEntries = 0;
	char *buff, *file_buff;

	buff = malloc(BUFF_SIZE);
	file_buff = malloc(FILE_BUFF_SIZE);

	/* Force the umask to something predictable. */
	assertUmask(022);

	/* Create a new archive in memory containing various types of entries. */
	assert((a = archive_write_new()) != NULL);
	assertA(0 == archive_write_set_format_ustar(a));
	assertA(0 == archive_write_add_filter_none(a));
	assertA(0 == archive_write_open_memory(a, buff, BUFF_SIZE, &used));
	/* A directory to be restored with EXTRACT_PERM. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir_0775");
	archive_entry_set_mode(ae, S_IFDIR | 0775);
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);
	/* A regular file. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "file");
	archive_entry_set_mode(ae, S_IFREG | 0755);
	for (i = 0; i < FILE_BUFF_SIZE; i++)
		file_buff[i] = (unsigned char)rand();
	archive_entry_set_size(ae, FILE_BUFF_SIZE);
	assertA(0 == archive_write_header(a, ae));
	assertA(FILE_BUFF_SIZE == archive_write_data(a, file_buff, FILE_BUFF_SIZE));
	archive_entry_free(ae);
	/* A directory that should obey umask when restored. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir");
	archive_entry_set_mode(ae, S_IFDIR | 0777);
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);
	/* A file in the directory. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir/file");
	archive_entry_set_mode(ae, S_IFREG | 0700);
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);
	/* A file in a dir that is not already in the archive. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir2/file");
	archive_entry_set_mode(ae, S_IFREG | 0000);
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);
	/* A dir with a trailing /. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir3/.");
	archive_entry_set_mode(ae, S_IFDIR | 0710);
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);
	/* Multiple dirs with a single entry. */
	++numEntries;
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_copy_pathname(ae, "dir4/a/../b/../c/");
	archive_entry_set_mode(ae, S_IFDIR | 0711);
	assertA(0 == archive_write_header(a, ae));
	archive_entry_free(ae);
	/* A symlink. */
	if (canSymlink()) {
		++numEntries;
		assert((ae = archive_entry_new()) != NULL);
		archive_entry_copy_pathname(ae, "symlink");
		archive_entry_set_mode(ae, AE_IFLNK | 0755);
		archive_entry_set_symlink(ae, "file");
		assertA(0 == archive_write_header(a, ae));
		archive_entry_free(ae);
	}
	/* Close out the archive. */
	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Extract the entries to disk. */
	assert((a = archive_read_new()) != NULL);
	assertA(0 == archive_read_support_format_all(a));
	assertA(0 == archive_read_support_filter_all(a));
	assertA(0 == archive_read_open_memory(a, buff, BUFF_SIZE));
	/* Restore first entry with _EXTRACT_PERM. */
	failure("Error reading first entry", i);
	assertA(0 == archive_read_next_header(a, &ae));
	assertA(0 == archive_read_extract(a, ae, ARCHIVE_EXTRACT_PERM));
	/* Rest of entries get restored with no flags. */
	for (i = 1; i < numEntries; i++) {
		failure("Error reading entry %d", i);
		assertA(0 == archive_read_next_header(a, &ae));
		failure("Failed to extract entry %d: %s", i,
			archive_entry_pathname(ae));
		assertA(0 == archive_read_extract(a, ae, 0));
	}
	assertA(ARCHIVE_EOF == archive_read_next_header(a, &ae));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/* Test the entries on disk. */
	/* This first entry was extracted with ARCHIVE_EXTRACT_PERM,
	 * so the permissions should have been restored exactly,
	 * including resetting the gid bit on those platforms
	 * where gid is inherited by subdirs. */
	failure("This was 0775 in archive, and should be 0775 on disk");
	assertIsDir("dir_0775", 0775);
	/* Everything else was extracted without ARCHIVE_EXTRACT_PERM,
	 * so there may be some sloppiness about gid bits on directories. */
	assertIsReg("file", 0755);
	assertFileSize("file", FILE_BUFF_SIZE);
	assertFileContents(file_buff, FILE_BUFF_SIZE, "file");
	/* If EXTRACT_PERM wasn't used, be careful to ignore sgid bit
	 * when checking dir modes, as some systems inherit sgid bit
	 * from the parent dir. */
	failure("This was 0777 in archive, but umask should make it 0755");
	assertIsDir("dir", 0755);
	assertIsReg("dir/file", 0700);
	assertIsDir("dir2", 0755);
	assertIsReg("dir2/file", 0000);
	assertIsDir("dir3", 0710);
	assertIsDir("dir4", 0755);
	assertIsDir("dir4/a", 0755);
	assertIsDir("dir4/b", 0755);
	assertIsDir("dir4/c", 0711);
	if (canSymlink())
		assertIsSymlink("symlink", "file", 0);

	free(buff);
	free(file_buff);
}