The Tor Browser: security/sandbox/win/src/sandboxtarget/sandboxTarget.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

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

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

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef __SECURITY_SANDBOX_SANDBOXTARGET_H__

     8 #define __SECURITY_SANDBOX_SANDBOXTARGET_H__

    10 #ifdef TARGET_SANDBOX_EXPORTS

    11 #define TARGET_SANDBOX_EXPORT __declspec(dllexport)

    12 #else

    13 #define TARGET_SANDBOX_EXPORT __declspec(dllimport)

    14 #endif

    15 namespace mozilla {

    18 class TARGET_SANDBOX_EXPORT SandboxTarget

    19 {

    20 public:

    21   typedef void (*StartSandboxPtr)();

    23   /**

    24    * Obtains a pointer to the singleton instance

    25    */

    26   static SandboxTarget* Instance()

    27   {

    28     static SandboxTarget sb;

    29     return &sb;

    30   }

    32   /**

    33    * Called by the application that will lower the sandbox token

    34    *

    35    * @param aStartSandboxCallback A callback function which will lower privs

    36    */

    37   void SetStartSandboxCallback(StartSandboxPtr aStartSandboxCallback)

    38   {

    39     mStartSandboxCallback = aStartSandboxCallback;

    40   }

    42   /**

    43    * Called by the library that wants to start the sandbox, which in turn

    44    * calls into the previously set StartSandboxCallback.

    45    */

    46   void StartSandbox()

    47   {

    48     if (mStartSandboxCallback) {

    49       mStartSandboxCallback();

    50     }

    51   }

    53 protected:

    54   SandboxTarget() :

    55     mStartSandboxCallback(nullptr)

    56   {

    57   }

    59   StartSandboxPtr mStartSandboxCallback;

    60 };

    63 } // mozilla

    65 #endif

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