michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef __SECURITY_SANDBOX_SANDBOXTARGET_H__
michael@0: #define __SECURITY_SANDBOX_SANDBOXTARGET_H__
michael@0: 
michael@0: #ifdef TARGET_SANDBOX_EXPORTS
michael@0: #define TARGET_SANDBOX_EXPORT __declspec(dllexport)
michael@0: #else
michael@0: #define TARGET_SANDBOX_EXPORT __declspec(dllimport)
michael@0: #endif
michael@0: namespace mozilla {
michael@0: 
michael@0: 
michael@0: class TARGET_SANDBOX_EXPORT SandboxTarget
michael@0: {
michael@0: public:
michael@0:   typedef void (*StartSandboxPtr)();
michael@0: 
michael@0:   /**
michael@0:    * Obtains a pointer to the singleton instance
michael@0:    */
michael@0:   static SandboxTarget* Instance()
michael@0:   {
michael@0:     static SandboxTarget sb;
michael@0:     return &sb;
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * Called by the application that will lower the sandbox token
michael@0:    *
michael@0:    * @param aStartSandboxCallback A callback function which will lower privs
michael@0:    */
michael@0:   void SetStartSandboxCallback(StartSandboxPtr aStartSandboxCallback)
michael@0:   {
michael@0:     mStartSandboxCallback = aStartSandboxCallback;
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * Called by the library that wants to start the sandbox, which in turn
michael@0:    * calls into the previously set StartSandboxCallback.
michael@0:    */
michael@0:   void StartSandbox()
michael@0:   {
michael@0:     if (mStartSandboxCallback) {
michael@0:       mStartSandboxCallback();
michael@0:     }
michael@0:   }
michael@0: 
michael@0: protected:
michael@0:   SandboxTarget() :
michael@0:     mStartSandboxCallback(nullptr)
michael@0:   {
michael@0:   }
michael@0: 
michael@0:   StartSandboxPtr mStartSandboxCallback;
michael@0: };
michael@0: 
michael@0: 
michael@0: } // mozilla
michael@0: 
michael@0: #endif