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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
29 gname_cleanup(void *d)
30 {
31         int *mp = d;
32         assertEqualInt(*mp, 0x13579);
33         *mp = 0x2468;
34 }
35
36 static const char *
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
47 uname_cleanup(void *d)
48 {
49         int *mp = d;
50         assertEqualInt(*mp, 0x1234);
51         *mp = 0x2345;
52 }
53
54 static const char *
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
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 }