101 lines
4.7 KiB
C++
101 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* Interface definitions for the unified fuzzing interface
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*/
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#ifndef FuzzingInterface_h__
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#define FuzzingInterface_h__
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#include "gtest/gtest.h"
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#include "nsComponentManagerUtils.h"
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#include "nsCOMPtr.h"
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#include "nsIInputStream.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsIDirectoryService.h"
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#include "nsIFile.h"
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#include "nsStreamUtils.h"
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#include "nsStringStream.h"
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#include <fstream>
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namespace mozilla {
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typedef int(*FuzzingTestFuncRaw)(const uint8_t*, size_t);
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typedef int(*FuzzingTestFuncStream)(nsCOMPtr<nsIInputStream>);
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#ifdef __AFL_COMPILER
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void afl_interface_stream(const char* testFile, FuzzingTestFuncStream testFunc);
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void afl_interface_raw(const char* testFile, FuzzingTestFuncRaw testFunc);
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#define MOZ_AFL_INTERFACE_COMMON(initFunc) \
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initFunc(NULL, NULL); \
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char* testFilePtr = getenv("MOZ_FUZZ_TESTFILE"); \
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if (!testFilePtr) { \
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EXPECT_TRUE(false) << "Must specify testfile in MOZ_FUZZ_TESTFILE environment variable."; \
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return; \
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} \
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/* Make a copy of testFilePtr so the testing function can safely call getenv */ \
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std::string testFile(testFilePtr);
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#define MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName) \
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TEST(AFL, moduleName) { \
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MOZ_AFL_INTERFACE_COMMON(initFunc); \
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::mozilla::afl_interface_stream(testFile.c_str(), testFunc); \
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}
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#define MOZ_AFL_INTERFACE_RAW(initFunc, testFunc, moduleName) \
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TEST(AFL, moduleName) { \
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MOZ_AFL_INTERFACE_COMMON(initFunc); \
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::mozilla::afl_interface_raw(testFile.c_str(), testFunc); \
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}
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#else
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#define MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName) /* Nothing */
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#define MOZ_AFL_INTERFACE_RAW(initFunc, testFunc, moduleName) /* Nothing */
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#endif
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#ifdef LIBFUZZER
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#define MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, moduleName) \
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static int LibFuzzerTest##moduleName (const uint8_t *data, size_t size) { \
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if (size > INT32_MAX) \
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return 0; \
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nsCOMPtr<nsIInputStream> stream; \
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nsresult rv = NS_NewByteInputStream(getter_AddRefs(stream), \
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(const char*)data, size, NS_ASSIGNMENT_DEPEND); \
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MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv)); \
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testFunc(stream.forget()); \
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return 0; \
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} \
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static void __attribute__ ((constructor)) LibFuzzerRegister() { \
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::mozilla::LibFuzzerRegistry::getInstance().registerModule( \
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#moduleName, initFunc, LibFuzzerTest##moduleName \
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); \
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}
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#define MOZ_LIBFUZZER_INTERFACE_RAW(initFunc, testFunc, moduleName) \
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static void __attribute__ ((constructor)) LibFuzzerRegister() { \
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::mozilla::LibFuzzerRegistry::getInstance().registerModule( \
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#moduleName, initFunc, testFunc \
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); \
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}
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#else
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#define MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, moduleName) /* Nothing */
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#define MOZ_LIBFUZZER_INTERFACE_RAW(initFunc, testFunc, moduleName) /* Nothing */
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#endif
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#define MOZ_FUZZING_INTERFACE_STREAM(initFunc, testFunc, moduleName) \
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MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, moduleName); \
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MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName);
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#define MOZ_FUZZING_INTERFACE_RAW(initFunc, testFunc, moduleName) \
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MOZ_LIBFUZZER_INTERFACE_RAW(initFunc, testFunc, moduleName); \
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MOZ_AFL_INTERFACE_RAW(initFunc, testFunc, moduleName);
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} // namespace mozilla
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#endif // FuzzingInterface_h__
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