forked from mirrors/gecko-dev
90 lines
3.9 KiB
C++
90 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 with streaming
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* support
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*/
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#ifndef FuzzingInterfaceStream_h__
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#define FuzzingInterfaceStream_h__
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#ifdef JS_STANDALONE
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# error "FuzzingInterfaceStream.h cannot be used in JS standalone builds."
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#endif
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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 "nsStreamUtils.h"
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#include "nsStringStream.h"
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#include <fstream>
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#include "FuzzingInterface.h"
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namespace mozilla {
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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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# define MOZ_AFL_INTERFACE_COMMON(initFunc) \
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if (initFunc) initFunc(NULL, NULL); \
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char* testFilePtr = getenv("MOZ_FUZZ_TESTFILE"); \
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if (!testFilePtr) { \
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fprintf(stderr, \
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"Must specify testfile in MOZ_FUZZ_TESTFILE environment " \
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"variable.\n"); \
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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 \
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* getenv \
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*/ \
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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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{ \
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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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#else
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# define MOZ_AFL_INTERFACE_STREAM(initFunc, testFunc, moduleName) /* Nothing \
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*/
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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) return 0; \
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nsCOMPtr<nsIInputStream> stream; \
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nsresult rv = NS_NewByteInputStream(getter_AddRefs(stream), \
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Span((const char*)data, size), \
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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##moduleName() { \
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::mozilla::FuzzerRegistry::getInstance().registerModule( \
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#moduleName, initFunc, LibFuzzerTest##moduleName); \
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}
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#else
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# define MOZ_LIBFUZZER_INTERFACE_STREAM(initFunc, testFunc, \
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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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} // namespace mozilla
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#endif // FuzzingInterfaceStream_h__
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