summaryrefslogtreecommitdiff
path: root/archivers/libarchive/files/libarchive/test/test_extattr_freebsd.c
blob: 8ffe756d1216208afd7166a9a3f10b2510749c41 (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
169
170
171
172
173
/*-
 * Copyright (c) 2003-2009 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_extattr_freebsd.c 201247 2009-12-30 05:59:21Z kientzle $");

#if defined(__FreeBSD__) && __FreeBSD__ > 4
#include <sys/extattr.h>
#endif

/*
 * Verify extended attribute restore-to-disk.  This test is FreeBSD-specific.
 */

DEFINE_TEST(test_extattr_freebsd)
{
#if !defined(__FreeBSD__)
	skipping("FreeBSD-specific extattr restore test");
#elif __FreeBSD__ < 5
	skipping("extattr restore supported only on FreeBSD 5.0 and later");
#else
	char buff[64];
	const char *xname;
	const void *xval;
	size_t xsize;
	struct stat st;
	struct archive *a;
	struct archive_entry *ae;
	int n, fd;
	int extattr_privilege_bug = 0;

	/*
	 * First, do a quick manual set/read of an extended attribute
	 * to verify that the local filesystem does support it.  If it
	 * doesn't, we'll simply skip the remaining tests.
	 */
	/* Create a test file and try to set an ACL on it. */
	fd = open("pretest", O_RDWR | O_CREAT, 0777);
	failure("Could not create test file?!");
	if (!assert(fd >= 0))
		return;

	errno = 0;
	n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4);
	if (n != 4 && errno == EOPNOTSUPP) {
		close(fd);
		skipping("extattr tests require that extattr support be enabled on the filesystem");
		return;
	}
	failure("extattr_set_fd(): errno=%d (%s)", errno, strerror(errno));
	assertEqualInt(4, n);
	close(fd);

	/*
	 * Repeat the above, but with file permissions set to 0000.
	 * This should work (extattr_set_fd() should follow fd
	 * permissions, not file permissions), but is known broken on
	 * some versions of FreeBSD.
	 */
	fd = open("pretest2", O_RDWR | O_CREAT, 00000);
	failure("Could not create test file?!");
	if (!assert(fd >= 0))
		return;

	n = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, "testattr", "1234", 4);
	if (n != 4) {
		skipping("Restoring xattr to an unwritable file seems to be broken on this platform");
		extattr_privilege_bug = 1;
	}
	close(fd);

	/* Create a write-to-disk object. */
	assert(NULL != (a = archive_write_disk_new()));
	archive_write_disk_set_options(a,
	    ARCHIVE_EXTRACT_TIME | ARCHIVE_EXTRACT_PERM | ARCHIVE_EXTRACT_XATTR);

	/* Populate an archive entry with an extended attribute. */
	ae = archive_entry_new();
	assert(ae != NULL);
	archive_entry_set_pathname(ae, "test0");
	archive_entry_set_mtime(ae, 123456, 7890);
	archive_entry_set_size(ae, 0);
	archive_entry_set_mode(ae, 0755);
	archive_entry_xattr_add_entry(ae, "user.foo", "12345", 5);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	assertEqualIntA(a, ARCHIVE_OK, archive_write_finish_entry(a));
	archive_entry_free(ae);

	/* Another entry; similar but with mode = 0. */
	ae = archive_entry_new();
	assert(ae != NULL);
	archive_entry_set_pathname(ae, "test1");
	archive_entry_set_mtime(ae, 12345678, 7890);
	archive_entry_set_size(ae, 0);
	archive_entry_set_mode(ae, 0);
	archive_entry_xattr_add_entry(ae, "user.bar", "123456", 6);
	assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
	archive_entry_free(ae);

	/* Close the archive. */
	if (extattr_privilege_bug)
		/* If the bug is here, write_close will return warning. */
		assertEqualIntA(a, ARCHIVE_WARN, archive_write_close(a));
	else
		assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Verify the data on disk. */
	assertEqualInt(0, stat("test0", &st));
	assertEqualInt(st.st_mtime, 123456);
	/* Verify extattr */
	n = extattr_get_file("test0", EXTATTR_NAMESPACE_USER,
	    "foo", buff, sizeof(buff));
	if (assertEqualInt(n, 5)) {
		buff[n] = '\0';
		assertEqualString(buff, "12345");
	}

	/* Verify the data on disk. */
	assertEqualInt(0, stat("test1", &st));
	assertEqualInt(st.st_mtime, 12345678);
	/* Verify extattr */
	n = extattr_get_file("test1", EXTATTR_NAMESPACE_USER,
	    "bar", buff, sizeof(buff));
	if (extattr_privilege_bug) {
		/* If we have the bug, the extattr won't have been written. */
		assertEqualInt(n, -1);
	} else {
		if (assertEqualInt(n, 6)) {
			buff[n] = '\0';
			assertEqualString(buff, "123456");
		}
	}

	/* Use libarchive APIs to read the file back into an entry and
	 * verify that the extattr was read correctly. */
	assert((a = archive_read_disk_new()) != NULL);
	assert((ae = archive_entry_new()) != NULL);
	archive_entry_set_pathname(ae, "test0");
	assertEqualInt(ARCHIVE_OK,
	    archive_read_disk_entry_from_file(a, ae, -1, NULL));
	assertEqualInt(1, archive_entry_xattr_reset(ae));
	assertEqualInt(ARCHIVE_OK,
	    archive_entry_xattr_next(ae, &xname, &xval, &xsize));
	assertEqualString(xname, "user.foo");
	assertEqualInt(xsize, 5);
	assertEqualMem(xval, "12345", xsize);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
	archive_entry_free(ae);
#endif
}