1/*
2 * Copyright (c) 2014 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 <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//
36// By returning a string, we prevent that image from loading.
37// We just prevent any image with "libz" in its name from loading.
38//
39static const char* singleMappedHandler(enum dyld_image_states state, uint32_t infoCount, const struct dyld_image_info info[])
40{
41	//fprintf(stderr, "single mapped: %s\n", info[0].imageFilePath);
42	if ( strstr(info[0].imageFilePath, "libz") != NULL )
43		return "can't load libz";
44	return NULL;
45}
46
47
48int main(int argc, const char* argv[])
49{
50	// tell dyld we want to know when images are mapped
51  dyld_register_image_state_change_handler(dyld_image_state_mapped, false, singleMappedHandler);
52
53	void* handle = dlopen("libfoo1.dylib", RTLD_LAZY);
54	if ( handle != NULL ) {
55    FAIL("image-state-deny-cache-leak: dlopen(libfoo.dylib) should have failed");
56    return EXIT_SUCCESS;
57	}
58
59	handle = dlopen("libfoo2.dylib", RTLD_LAZY);
60	if ( handle == NULL ) {
61    FAIL("image-state-deny-cache-leak: dlopen(libfoo.dylib) should have succeeded");
62    return EXIT_SUCCESS;
63	}
64  dlclose(handle);
65
66  // execute leaks command on myself
67	char cmd[512];
68	sprintf(cmd, "sudo leaks %u > /dev/null\n", getpid());
69	int result = system(cmd);
70	if ( result == EXIT_SUCCESS )
71		PASS("image-state-deny-cache-leak");
72	else
73		FAIL("image-state-deny-cache-leak");
74
75
76	return EXIT_SUCCESS;
77}
78