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: releng/11.0/contrib/libarchive/libarchive/test/test_read_disk.c 248616 2013-03-22 13:36:03Z 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/* We test GID lookup by looking up the name of group number zero and
65 * checking it against the following list.  If your system uses a
66 * different conventional name for group number zero, please extend
67 * this array and send us a patch.  As always, please keep this list
68 * sorted alphabetically.
69 */
70static const char *zero_groups[] = {
71	"root",   /* Linux */
72	"wheel"  /* BSD */
73};
74
75DEFINE_TEST(test_read_disk)
76{
77	struct archive *a;
78	int gmagic = 0x13579, umagic = 0x1234;
79	const char *p;
80	size_t i;
81
82	assert((a = archive_read_disk_new()) != NULL);
83
84	/* Default uname/gname lookups always return NULL. */
85	assert(archive_read_disk_gname(a, 0) == NULL);
86	assert(archive_read_disk_uname(a, 0) == NULL);
87
88	/* Register some weird lookup functions. */
89	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_gname_lookup(a,
90			   &gmagic, &gname_lookup, &gname_cleanup));
91	/* Verify that our new function got called. */
92	assertEqualString(archive_read_disk_gname(a, 0), "NOTFOOGROUP");
93	assertEqualString(archive_read_disk_gname(a, 1), "FOOGROUP");
94
95	/* De-register. */
96	assertEqualInt(ARCHIVE_OK,
97	    archive_read_disk_set_gname_lookup(a, NULL, NULL, NULL));
98	/* Ensure our cleanup function got called. */
99	assertEqualInt(gmagic, 0x2468);
100
101	/* Same thing with uname lookup.... */
102	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_uname_lookup(a,
103			   &umagic, &uname_lookup, &uname_cleanup));
104	assertEqualString(archive_read_disk_uname(a, 0), "NOTFOO");
105	assertEqualString(archive_read_disk_uname(a, 1), "FOO");
106	assertEqualInt(ARCHIVE_OK,
107	    archive_read_disk_set_uname_lookup(a, NULL, NULL, NULL));
108	assertEqualInt(umagic, 0x2345);
109
110	/* Try the standard lookup functions. */
111	if (archive_read_disk_set_standard_lookup(a) != ARCHIVE_OK) {
112		skipping("standard uname/gname lookup");
113	} else {
114#if defined(__CYGWIN__) || defined(__HAIKU__)
115		/* Some platforms don't have predictable names for
116		 * uid=0, so we skip this part of the test. */
117		skipping("standard uname/gname lookup");
118		i = 0;
119		p = zero_groups[0]; /* avoid unused warnings */
120#else
121		/* XXX Someday, we may need to generalize this the
122		 * same way we generalized the group name check below.
123		 * That's needed only if we encounter a system where
124		 * uid 0 is not "root". XXX */
125		assertEqualString(archive_read_disk_uname(a, 0), "root");
126
127		/* Get the group name for group 0 and see if it makes sense. */
128		p = archive_read_disk_gname(a, 0);
129		assert(p != NULL);
130		if (p != NULL) {
131			i = 0;
132			while (i < sizeof(zero_groups)/sizeof(zero_groups[0])) {
133				if (strcmp(zero_groups[i], p) == 0)
134					break;
135				++i;
136			}
137			if (i == sizeof(zero_groups)/sizeof(zero_groups[0])) {
138				/* If you get a failure here, either
139				 * archive_read_disk_gname() isn't working or
140				 * your system uses a different name for group
141				 * number zero.  If the latter, please add a
142				 * new entry to the zero_groups[] array above.
143				 */
144				failure("group 0 didn't have any of the expected names");
145				assertEqualString(p, zero_groups[0]);
146			}
147		}
148#endif
149	}
150
151	/* Deregister again and verify the default lookups again. */
152	assertEqualInt(ARCHIVE_OK,
153	    archive_read_disk_set_gname_lookup(a, NULL, NULL, NULL));
154	assertEqualInt(ARCHIVE_OK,
155	    archive_read_disk_set_uname_lookup(a, NULL, NULL, NULL));
156	assert(archive_read_disk_gname(a, 0) == NULL);
157	assert(archive_read_disk_uname(a, 0) == NULL);
158
159	/* Re-register our custom handlers. */
160	gmagic = 0x13579;
161	umagic = 0x1234;
162	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_gname_lookup(a,
163			   &gmagic, &gname_lookup, &gname_cleanup));
164	assertEqualInt(ARCHIVE_OK, archive_read_disk_set_uname_lookup(a,
165			   &umagic, &uname_lookup, &uname_cleanup));
166
167	/* Destroy the archive. */
168	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
169
170	/* Verify our cleanup functions got called. */
171	assertEqualInt(gmagic, 0x2468);
172	assertEqualInt(umagic, 0x2345);
173}
174