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-rw-r--r--tools/fuzzing/interface/FuzzingInterface.cpp67
-rw-r--r--tools/fuzzing/interface/FuzzingInterface.h100
-rw-r--r--tools/fuzzing/interface/moz.build15
3 files changed, 182 insertions, 0 deletions
diff --git a/tools/fuzzing/interface/FuzzingInterface.cpp b/tools/fuzzing/interface/FuzzingInterface.cpp
new file mode 100644
index 000000000..59077f382
--- /dev/null
+++ b/tools/fuzzing/interface/FuzzingInterface.cpp
@@ -0,0 +1,67 @@
+/* -*- 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 implementation for the unified fuzzing interface
+ */
+
+#include "FuzzingInterface.h"
+
+#include "nsNetUtil.h"
+
+namespace mozilla {
+
+#ifdef __AFL_COMPILER
+void afl_interface_stream(const char* testFile, FuzzingTestFuncStream testFunc) {
+ nsresult rv;
+ nsCOMPtr<nsIProperties> dirService =
+ do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
+ MOZ_RELEASE_ASSERT(dirService != nullptr);
+ nsCOMPtr<nsIFile> file;
+ rv = dirService->Get(NS_OS_CURRENT_WORKING_DIR,
+ NS_GET_IID(nsIFile), getter_AddRefs(file));
+ MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
+ file->AppendNative(nsDependentCString(testFile));
+ while(__AFL_LOOP(1000)) {
+ nsCOMPtr<nsIInputStream> inputStream;
+ rv = NS_NewLocalFileInputStream(getter_AddRefs(inputStream), file);
+ MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
+ if (!NS_InputStreamIsBuffered(inputStream)) {
+ nsCOMPtr<nsIInputStream> bufStream;
+ rv = NS_NewBufferedInputStream(getter_AddRefs(bufStream),
+ inputStream, 1024);
+ MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
+ inputStream = bufStream;
+ }
+ testFunc(inputStream.forget());
+ }
+}
+
+void afl_interface_raw(const char* testFile, FuzzingTestFuncRaw testFunc) {
+ char* buf = NULL;
+
+ while(__AFL_LOOP(1000)) {
+ std::ifstream is;
+ is.open (testFile, std::ios::binary);
+ is.seekg (0, std::ios::end);
+ int len = is.tellg();
+ is.seekg (0, std::ios::beg);
+ MOZ_RELEASE_ASSERT(len >= 0);
+ if (!len) {
+ is.close();
+ continue;
+ }
+ buf = (char*)realloc(buf, len);
+ MOZ_RELEASE_ASSERT(buf);
+ is.read(buf,len);
+ is.close();
+ testFunc((uint8_t*)buf, (size_t)len);
+ }
+
+ free(buf);
+}
+#endif
+
+} // namespace mozilla
diff --git a/tools/fuzzing/interface/FuzzingInterface.h b/tools/fuzzing/interface/FuzzingInterface.h
new file mode 100644
index 000000000..c2838e807
--- /dev/null
+++ b/tools/fuzzing/interface/FuzzingInterface.h
@@ -0,0 +1,100 @@
+/* -*- 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__
diff --git a/tools/fuzzing/interface/moz.build b/tools/fuzzing/interface/moz.build
new file mode 100644
index 000000000..6b2bb968c
--- /dev/null
+++ b/tools/fuzzing/interface/moz.build
@@ -0,0 +1,15 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXPORTS += [
+ 'FuzzingInterface.h',
+]
+
+SOURCES += [
+ 'FuzzingInterface.cpp',
+]
+
+FINAL_LIBRARY = 'xul-gtest'
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 10:18:27 +0000