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 37struct info 38{ 39 const char* path; 40 void* handle; 41}; 42typedef struct info info; 43 44static 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 57static 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 66static 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 76int 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} 124