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1 /*
2 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23 #include <stdio.h> // fprintf(), NULL
24 #include <stdlib.h> // exit(), EXIT_SUCCESS
25 #include <dlfcn.h>
26
27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
28
29
30 ///
31 /// When dlopen() is called with the RTLD_FIRST option,
32 /// any dlsym() looks against that handle should only look in
33 /// that handle, and not subsequent images.
34 ///
35
36
37 struct info
38 {
39 const char* path;
40 void* handle;
41 };
42 typedef struct info info;
43
44 static info dlopen_or_fail(const char* path, int options)
45 {
46 info result;
47 result.path = path;
48 result.handle = dlopen(path, options);
49 if ( result.handle == NULL ) {
50 FAIL("dlopen-RTLD_FIRST: dlopen(\"%s\") failed: %s", path, dlerror());
51 exit(0);
52 }
53 //fprintf(stderr, "dlopen(%s, 0x%0X) => %p\n", path, options, result.handle);
54 return result;
55 }
56
57 static void dlsym_should_fail(info hp, const char* symbol)
58 {
59 void* sym = dlsym(hp.handle, symbol);
60 if ( sym != NULL ) {
61 FAIL("dlopen-RTLD_FIRST: dlsym(handle-%s, \"%s\") should have failed", hp.path, symbol);
62 exit(0);
63 }
64 }
65
66 static void dlsym_should_succeed(info hp, const char* symbol)
67 {
68 void* sym = dlsym(hp.handle, symbol);
69 if ( sym == NULL ) {
70 FAIL("dlopen-RTLD_FIRST: dlsym(handle-%s, \"%s\") failed", hp.path, symbol);
71 exit(0);
72 }
73 }
74
75
76 int main()
77 {
78 info libFooFirst = dlopen_or_fail("libfoo.dylib", RTLD_FIRST);
79 info libFoo = dlopen_or_fail("libfoo.dylib", 0);
80
81 info libBarFirst = dlopen_or_fail("libbar.dylib", RTLD_FIRST);
82 info libBar = dlopen_or_fail("libbar.dylib", 0);
83
84 dlsym_should_succeed(libFooFirst, "foo");
85 dlsym_should_fail(libFooFirst, "base");
86 dlsym_should_fail(libFooFirst, "bar");
87
88 dlsym_should_succeed(libFoo, "foo");
89 dlsym_should_succeed(libFoo, "base");
90
91 dlsym_should_succeed(libBarFirst, "bar");
92 dlsym_should_succeed(libBarFirst, "base"); // libbar re-exports libbase
93 dlsym_should_fail(libBarFirst, "foo");
94
95 dlsym_should_succeed(libBar, "bar");
96 dlsym_should_succeed(libBar, "base");
97
98
99
100 info bundleFooFirst = dlopen_or_fail("foo.bundle", RTLD_FIRST);
101 info bundleFoo = dlopen_or_fail("foo.bundle", 0);
102
103 info bundleBarFirst = dlopen_or_fail("bar.bundle", RTLD_FIRST);
104 info bundleBar = dlopen_or_fail("bar.bundle", 0);
105
106 dlsym_should_succeed(bundleFooFirst, "foo");
107 dlsym_should_fail(bundleFooFirst, "base");
108 dlsym_should_fail(bundleFooFirst, "bar");
109
110 dlsym_should_succeed(bundleFoo, "foo");
111 dlsym_should_succeed(bundleFoo, "base");
112
113 dlsym_should_succeed(bundleBarFirst, "bar");
114 dlsym_should_fail(bundleBarFirst, "base");
115 dlsym_should_fail(bundleBarFirst, "foo");
116
117 dlsym_should_succeed(bundleBar, "bar");
118 dlsym_should_succeed(bundleBar, "base");
119
120
121 PASS("dlsym-RTLD_FIRST bundle and dylib");
122 return EXIT_SUCCESS;
123 }