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