test_read_disk.c revision 315433 
1/*-
2 * Copyright (c) 2003-2009 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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.
24 */
25#include "test.h"
26__FBSDID("$FreeBSD: stable/10/contrib/libarchive/libarchive/test/test_read_disk.c 315433 2017-03-16 23:08:18Z mm $");
27
28static void
29gname_cleanup(void *d)
30{
31	int *mp = d;
32	assertEqualInt(*mp, 0x13579);
33	*mp = 0x2468;
34}
35
36static const char *
37gname_lookup(void *d, int64_t g)
38{
39	int *mp = d;
40	assertEqualInt(*mp, 0x13579);
41	if (g == 1)
42		return ("FOOGROUP");
43	return ("NOTFOOGROUP");
44}
45
46static void
47uname_cleanup(void *d)
48{
49	int *mp = d;
50	assertEqualInt(*mp, 0x1234);
51	*mp = 0x2345;
52}
53
54static const char *
55uname_lookup(void *d, int64_t u)
56{
57	int *mp = d;
58	assertEqualInt(*mp, 0x1234);
59	if (u == 1)
60		return ("FOO");
61	return ("NOTFOO");
62}
63
64#if !defined(__CYGWIN__) && !defined(__HAIKU__)
65/* We test GID lookup by looking up the name of group number zero and
66 * checking it against the following list.  If your system uses a
67 * different conventional name for group number zero, please extend
68 * this array and send us a patch.  As always, please keep this list
69 * sorted alphabetically.
70 */
71static const char *zero_groups[] = {
72	"root",   /* Linux */
73	"wheel"  /* BSD */
74};
75#endif
76
77DEFINE_TEST(test_read_disk)
78{
79	struct archive *a;
80	int gmagic = 0x13579, umagic = 0x1234;
81#if !defined(__CYGWIN__) && !defined(__HAIKU__)
82	const char *p;
83	size_t i;
84#endif
85
86	assert((a = archive_read_disk_new()) != NULL);
87
88	/* Default uname/gname lookups always return NULL. */
89	assert(archive_read_disk_gname(a, 0) == NULL);
90	assert(archive_read_disk_uname(a, 0) == NULL);
91
92	/* Register some weird lookup functions. */
93	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_gname_lookup(a,
94			   &gmagic, &gname_lookup, &gname_cleanup));
95	/* Verify that our new function got called. */
96	assertEqualString(archive_read_disk_gname(a, 0), "NOTFOOGROUP");
97	assertEqualString(archive_read_disk_gname(a, 1), "FOOGROUP");
98
99	/* De-register. */
100	assertEqualInt(ARCHIVE_OK,
101	    archive_read_disk_set_gname_lookup(a, NULL, NULL, NULL));
102	/* Ensure our cleanup function got called. */
103	assertEqualInt(gmagic, 0x2468);
104
105	/* Same thing with uname lookup.... */
106	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_uname_lookup(a,
107			   &umagic, &uname_lookup, &uname_cleanup));
108	assertEqualString(archive_read_disk_uname(a, 0), "NOTFOO");
109	assertEqualString(archive_read_disk_uname(a, 1), "FOO");
110	assertEqualInt(ARCHIVE_OK,
111	    archive_read_disk_set_uname_lookup(a, NULL, NULL, NULL));
112	assertEqualInt(umagic, 0x2345);
113
114	/* Try the standard lookup functions. */
115	if (archive_read_disk_set_standard_lookup(a) != ARCHIVE_OK) {
116		skipping("standard uname/gname lookup");
117	} else {
118#if defined(__CYGWIN__) || defined(__HAIKU__)
119		/* Some platforms don't have predictable names for
120		 * uid=0, so we skip this part of the test. */
121		skipping("standard uname/gname lookup");
122#else
123		/* XXX Someday, we may need to generalize this the
124		 * same way we generalized the group name check below.
125		 * That's needed only if we encounter a system where
126		 * uid 0 is not "root". XXX */
127		assertEqualString(archive_read_disk_uname(a, 0), "root");
128
129		/* Get the group name for group 0 and see if it makes sense. */
130		p = archive_read_disk_gname(a, 0);
131		assert(p != NULL);
132		if (p != NULL) {
133			i = 0;
134			while (i < sizeof(zero_groups)/sizeof(zero_groups[0])) {
135				if (strcmp(zero_groups[i], p) == 0)
136					break;
137				++i;
138			}
139			if (i == sizeof(zero_groups)/sizeof(zero_groups[0])) {
140				/* If you get a failure here, either
141				 * archive_read_disk_gname() isn't working or
142				 * your system uses a different name for group
143				 * number zero.  If the latter, please add a
144				 * new entry to the zero_groups[] array above.
145				 */
146				failure("group 0 didn't have any of the expected names");
147				assertEqualString(p, zero_groups[0]);
148			}
149		}
150#endif
151	}
152
153	/* Deregister again and verify the default lookups again. */
154	assertEqualInt(ARCHIVE_OK,
155	    archive_read_disk_set_gname_lookup(a, NULL, NULL, NULL));
156	assertEqualInt(ARCHIVE_OK,
157	    archive_read_disk_set_uname_lookup(a, NULL, NULL, NULL));
158	assert(archive_read_disk_gname(a, 0) == NULL);
159	assert(archive_read_disk_uname(a, 0) == NULL);
160
161	/* Re-register our custom handlers. */
162	gmagic = 0x13579;
163	umagic = 0x1234;
164	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_gname_lookup(a,
165			   &gmagic, &gname_lookup, &gname_cleanup));
166	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_uname_lookup(a,
167			   &umagic, &uname_lookup, &uname_cleanup));
168
169	/* Destroy the archive. */
170	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
171
172	/* Verify our cleanup functions got called. */
173	assertEqualInt(gmagic, 0x2468);
174	assertEqualInt(umagic, 0x2345);
175}
176