MessageManagerFuzzer.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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/. */

#ifndef mozilla_dom_MessageManagerFuzzer_h__

#define mozilla_dom_MessageManagerFuzzer_h__

#include "jspubtd.h"

#include "nsAString.h"

#include "nsTArray.h"

namespace mozilla {

namespace dom {

namespace ipc {

class StructuredCloneData;

/*

Exposed environment variables:

MESSAGEMANAGER_FUZZER_ENABLE=1

MESSAGEMANAGER_FUZZER_ENABLE_LOGGING=1 (optional)

MESSAGEMANAGER_FUZZER_MUTATION_PROBABILITY=2 (optional)

MESSAGEMANAGER_FUZZER_STRINGSFILE=<path> (optional)

MESSAGEMANAGER_FUZZER_BLACKLIST=<path> (optional)

*/

#ifdef IsLoggingEnabled

// This is defined in the Windows SDK urlmon.h

#  undef IsLoggingEnabled

#endif

class MessageManagerFuzzer {

 public:

  static void TryMutate(JSContext* aCx, const nsAString& aMessageName,

                        ipc::StructuredCloneData* aData,

                        const JS::Value& aTransfer);

 private:

  static void ReadFile(const char* path, nsTArray<nsCString>& aArray);

  static nsCString GetFuzzValueFromFile();

  static bool IsMessageNameBlacklisted(const nsAString& aMessageName);

  static bool Mutate(JSContext* aCx, const nsAString& aMessageName,

                     ipc::StructuredCloneData* aData,

                     const JS::Value& aTransfer);

  static void Mutate(JSContext* aCx, JS::Rooted<JS::Value>& aMutation);

  static void MutateObject(JSContext* aCx, JS::Handle<JS::Value> aValue,

                           unsigned short int aRecursionCounter);

  static bool MutateValue(JSContext* aCx, JS::Handle<JS::Value> aValue,

                          JS::MutableHandle<JS::Value> aOutMutationValue,

                          unsigned short int aRecursionCounter);

  static unsigned int DefaultMutationProbability();

  static nsAutoString ReadJSON(JSContext* aCx, const JS::Value& aJSON);

  static bool IsEnabled();

  static bool IsLoggingEnabled();

};

}  // namespace dom

}  // namespace mozilla

#endif