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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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100
tools/fuzzing/interface/FuzzingInterface.h Normal file
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* Interface definitions for the unified fuzzing interface
*/
#ifndef FuzzingInterface_h__
#define FuzzingInterface_h__
#include "gtest/gtest.h"
#include "nsComponentManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsIInputStream.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIDirectoryService.h"
#include "nsIFile.h"
#include "nsStreamUtils.h"
#include "nsStringStream.h"
#include <fstream>
namespace mozilla {
typedef int(*FuzzingTestFuncRaw)(const uint8_t*, size_t);
typedef int(*FuzzingTestFuncStream)(nsCOMPtr<nsIInputStream>);
#ifdef __AFL_COMPILER
void afl_interface_stream(const char* testFile, FuzzingTestFuncStream testFunc);
void afl_interface_raw(const char* testFile, FuzzingTestFuncRaw testFunc);
#define MOZ_AFL_INTERFACE_COMMON(initFunc) \
initFunc(NULL, NULL); \
char* testFilePtr = getenv("MOZ_FUZZ_TESTFILE"); \
if (!testFilePtr) { \
EXPECT_TRUE(false) << "Must specify testfile in MOZ_FUZZ_TESTFILE environment variable."; \
return; \
} \
/* Make a copy of testFilePtr so the testing function can safely call getenv */ \
std::string testFile(testFilePtr);
#define MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName) \
TEST(AFL, moduleName) { \
MOZ_AFL_INTERFACE_COMMON(initFunc); \
::mozilla::afl_interface_stream(testFile.c_str(), testFunc); \
}
#define MOZ_AFL_INTERFACE_RAW(initFunc, testFunc, moduleName) \
TEST(AFL, moduleName) { \
MOZ_AFL_INTERFACE_COMMON(initFunc); \
::mozilla::afl_interface_raw(testFile.c_str(), testFunc); \
}
#else
#define MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName) /* Nothing */
#define MOZ_AFL_INTERFACE_RAW(initFunc, testFunc, moduleName) /* Nothing */
#endif
#ifdef LIBFUZZER
#define MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, moduleName) \
static int LibFuzzerTest##moduleName (const uint8_t *data, size_t size) { \
if (size > INT32_MAX) \
return 0; \
nsCOMPtr<nsIInputStream> stream; \
nsresult rv = NS_NewByteInputStream(getter_AddRefs(stream), \
(const char*)data, size, NS_ASSIGNMENT_DEPEND); \
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv)); \
testFunc(stream.forget()); \
return 0; \
} \
static void __attribute__ ((constructor)) LibFuzzerRegister() { \
::mozilla::LibFuzzerRegistry::getInstance().registerModule( \
#moduleName, initFunc, LibFuzzerTest##moduleName \
); \
}
#define MOZ_LIBFUZZER_INTERFACE_RAW(initFunc, testFunc, moduleName) \
static void __attribute__ ((constructor)) LibFuzzerRegister() { \
::mozilla::LibFuzzerRegistry::getInstance().registerModule( \
#moduleName, initFunc, testFunc \
); \
}
#else
#define MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, moduleName) /* Nothing */
#define MOZ_LIBFUZZER_INTERFACE_RAW(initFunc, testFunc, moduleName) /* Nothing */
#endif
#define MOZ_FUZZING_INTERFACE_STREAM(initFunc, testFunc, moduleName) \
MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, moduleName); \
MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName);
#define MOZ_FUZZING_INTERFACE_RAW(initFunc, testFunc, moduleName) \
MOZ_LIBFUZZER_INTERFACE_RAW(initFunc, testFunc, moduleName); \
MOZ_AFL_INTERFACE_RAW(initFunc, testFunc, moduleName);
} // namespace mozilla
#endif // FuzzingInterface_h__