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 11 typedef IPC::ChannelProxy::OutgoingMessageFilter *(*GetFuzzerFunction)(); 12 const char kFuzzLibraryName[] = "libipcfuzz.so"; 13 const char kFuzzEntryName[] = "GetFilter"; 14 15 IPC::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