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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 with streaming
* support
*/
#ifndef FuzzingInterfaceStream_h__
#define FuzzingInterfaceStream_h__
#ifdef JS_STANDALONE
# error "FuzzingInterfaceStream.h cannot be used in JS standalone builds."
#endif
#include "gtest/gtest.h"
#include "nsComponentManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsIInputStream.h"
#include "nsDirectoryServiceDefs.h"
#include "nsStreamUtils.h"
#include "nsStringStream.h"
#include <fstream>
#include "FuzzingInterface.h"
namespace mozilla {
typedef int (*FuzzingTestFuncStream)(nsCOMPtr<nsIInputStream>);
#ifdef AFLFUZZ
void afl_interface_stream(const char* testFile, FuzzingTestFuncStream testFunc);
# define MOZ_AFL_INTERFACE_COMMON(initFunc) \
if (initFunc) initFunc(NULL, NULL); \
char* testFilePtr = getenv("MOZ_FUZZ_TESTFILE"); \
if (!testFilePtr) { \
fprintf(stderr, \
"Must specify testfile in MOZ_FUZZ_TESTFILE environment " \
"variable.\n"); \
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); \
}
#else
# define MOZ_AFL_INTERFACE_STREAM(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), \
Span((const char*)data, size), \
NS_ASSIGNMENT_DEPEND); \
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv)); \
testFunc(stream.forget()); \
return 0; \
} \
static void __attribute__((constructor)) LibFuzzerRegister##moduleName() { \
::mozilla::FuzzerRegistry::getInstance().registerModule( \
#moduleName, initFunc, LibFuzzerTest##moduleName); \
}
#else
# define MOZ_LIBFUZZER_INTERFACE_STREAM(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);
} // namespace mozilla
#endif // FuzzingInterfaceStream_h__
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