1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "chrome/common/external_ipc_fuzzer.h" 6 7#if defined(OS_LINUX) 8#include <dlfcn.h> 9#endif 10 11typedef IPC::ChannelProxy::OutgoingMessageFilter *(*GetFuzzerFunction)(); 12const char kFuzzLibraryName[] = "libipcfuzz.so"; 13const char kFuzzEntryName[] = "GetFilter"; 14 15IPC::ChannelProxy::OutgoingMessageFilter* LoadExternalIPCFuzzer() { 16 IPC::ChannelProxy::OutgoingMessageFilter* result = NULL; 17 18#if defined(OS_LINUX) 19 20 // Fuzz is currently linux-only feature 21 void *fuzz_library = dlopen(kFuzzLibraryName, RTLD_NOW); 22 if (fuzz_library) { 23 GetFuzzerFunction fuzz_entry_point = 24 reinterpret_cast<GetFuzzerFunction>( 25 dlsym(fuzz_library, kFuzzEntryName)); 26 27 if (fuzz_entry_point) 28 result = fuzz_entry_point(); 29 } 30 31 if (!result) 32 LOG(WARNING) << dlerror() << "\n"; 33 34#endif // OS_LINUX 35 36 return result; 37} 38 39 40 41