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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 <stdbool.h> // fprintf(), NULL
24 #include <stdio.h> // fprintf(), NULL
25 #include <stdlib.h> // exit(), EXIT_SUCCESS
26 #include <stdbool.h>
27 #include <string.h>
28 #include <mach-o/dyld.h>
29 #include <mach-o/dyld_priv.h>
30 #include <dlfcn.h>
31
32 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
33
34 //
35 // By returning a string, we prevent that image from loading.
36 // We just prevent any image with "bar" in its name from loading.
37 //
38
39 static const char* batchMappedHandler(enum dyld_image_states state, uint32_t infoCount, const struct dyld_image_info info[])
40 {
41 //for (uint32_t i=0; i < infoCount; ++i) {
42 // fprintf(stderr, "batch mapped: %d/%d %s\n", i, infoCount, info[i].imageFilePath);
43 //}
44 for (uint32_t i=0; i < infoCount; ++i) {
45 if ( strstr(info[i].imageFilePath, "bar") != NULL )
46 return "cannot load bar";
47 }
48 return NULL;
49 }
50
51 static const char* singleMappedHandler(enum dyld_image_states state, uint32_t infoCount, const struct dyld_image_info info[])
52 {
53 //fprintf(stderr, "single mapped: %s\n", info[0].imageFilePath);
54 if ( strstr(info[0].imageFilePath, "bar") != NULL )
55 return "can't load bar";
56 return NULL;
57 }
58
59
60 int main(int argc, const char* argv[])
61 {
62 // tell dyld we want to know when images are mapped
63 if ( argc > 1 )
64 dyld_register_image_state_change_handler(dyld_image_state_dependents_mapped, true, batchMappedHandler);
65 else
66 dyld_register_image_state_change_handler(dyld_image_state_mapped, false, singleMappedHandler);
67
68 if ( dlopen_preflight("foo.bundle") ) {
69 FAIL("dlopen_preflight-basic foo.bundle should not be loadable");
70 exit(0);
71 }
72 //fprintf(stderr, "foo.bundle, dlerror: %s\n", dlerror());
73
74 if ( dlopen_preflight("bar.bundle") ) {
75 FAIL("dlopen_preflight-basic bar.bundle should not be loadable");
76 exit(0);
77 }
78 //fprintf(stderr, "bar.bundle, dlerror: %s\n", dlerror());
79
80 if ( dlopen_preflight("bogus.bundle") ) {
81 FAIL("dlopen_preflight-basic bogus.bundle should not be loadable");
82 exit(0);
83 }
84 //fprintf(stderr, "bogus.bundle, dlerror: %s\n", dlerror());
85
86 if ( ! dlopen_preflight("/usr/lib/libSystem.B.dylib") ) {
87 FAIL("dlopen_preflight-basic libSystem should be loadable, but got: %s", dlerror());
88 exit(0);
89 }
90
91
92 PASS("dlopen_preflight-basic");
93
94 return EXIT_SUCCESS;
95 }