1/*
2 * Copyright (c) 2005-2009 Apple 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>
24#include <stdbool.h>
25#include <stdlib.h>
26#include <mach-o/dyld.h>
27#include <sys/types.h>
28#include <sys/stat.h>
29#include <sys/mman.h>
30#include <unistd.h>
31#include <fcntl.h>
32#include <Availability.h>
33
34#include "test.h" // PASS(), FAIL()
35
36extern void bar();
37
38
39// NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
40#if __MAC_OS_X_VERSION_MIN_REQUIRED
41
42void loadAsBundleFromMemory(const char* path)
43{
44	int fd = open(path, O_RDONLY, 0);
45	if ( fd == -1 ) {
46		FAIL("bundle-v-dylib: open() failed");
47		exit(0);
48	}
49
50	struct stat stat_buf;
51	if ( fstat(fd, &stat_buf) == -1) {
52		FAIL("bundle-v-dylib: fstat() failed");
53		exit(0);
54	}
55
56	void* loadAddress = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
57	if ( loadAddress == ((void*)(-1)) ) {
58		FAIL("bundle-v-dylib: mmap() failed");
59		exit(0);
60	}
61
62	close(fd);
63
64	NSObjectFileImage ofi;
65	if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) == NSObjectFileImageSuccess ) {
66		FAIL("bundle-v-dylib: NSCreateObjectFileImageFromMemory() incorrectly allowed %s to be loaded", path);
67		exit(0);
68	}
69}
70
71void loadAsBundle(const char* path)
72{
73	NSObjectFileImage ofi;
74	if ( NSCreateObjectFileImageFromFile(path, &ofi) == NSObjectFileImageSuccess ) {
75		FAIL("bundle-v-dylib: NSCreateObjectFileImageFromFile() incorrectly allowed %s to be loaded", path);
76		exit(0);
77	}
78}
79
80void loadAsDylib(const char* path)
81{
82	if ( NSAddImage(path, NSADDIMAGE_OPTION_RETURN_ON_ERROR) != NULL ) {
83		FAIL("bundle-v-dylib: NSAddImage() incorrectly allowed %s to be loaded", path);
84		exit(0);
85	}
86}
87
88#endif
89
90int main()
91{
92#if __MAC_OS_X_VERSION_MIN_REQUIRED
93	int dummy;
94
95	// verify that NSAddImage fails to load MH_BUNDLE
96	loadAsDylib("foo.bundle");
97
98	// verify that NSCreateObjectFileImageFromFile fails to load MH_DYLIB
99	loadAsBundle("foo.dylib");
100
101	// verify that NSCreateObjectFileImageFromFile fails to load MH_DYLIB already linked against main
102	loadAsBundle("bar.dylib");
103
104	// verify that bar.dylib was not unloaded when above failed
105	bar();
106
107	// try loading a dylib from memory using bundle API's
108	loadAsBundleFromMemory("foo2.dylib");
109
110	// verify that dyld data structures are not wanked by scanning all images
111	_dyld_get_image_header_containing_address(&dummy);
112#endif
113	PASS("bundle-v-dylib");
114	return 0;
115}