xref: /NextBSD/contrib/libarchive/libarchive/test/test_read_disk.c (revision eb1a5f8de9f7ea602c373a710f531abbf81141c4)
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("$FreeBSD$");
27 
28 static void
gname_cleanup(void * d)29 gname_cleanup(void *d)
30 {
31 	int *mp = d;
32 	assertEqualInt(*mp, 0x13579);
33 	*mp = 0x2468;
34 }
35 
36 static const char *
gname_lookup(void * d,int64_t g)37 gname_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 
46 static void
uname_cleanup(void * d)47 uname_cleanup(void *d)
48 {
49 	int *mp = d;
50 	assertEqualInt(*mp, 0x1234);
51 	*mp = 0x2345;
52 }
53 
54 static const char *
uname_lookup(void * d,int64_t u)55 uname_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  */
70 static const char *zero_groups[] = {
71 	"root",   /* Linux */
72 	"wheel"  /* BSD */
73 };
74 
DEFINE_TEST(test_read_disk)75 DEFINE_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