1 files changed, 100 insertions, 0 deletions
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__