sandbox/win/src/sandbox.cc

   1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <stdio.h>
   6 #include <windows.h>
   7 #include "sandbox/win/src/sandbox.h"
   8 #include "sandbox/win/src/sandbox_factory.h"
   9 #include "sandbox/win/src/broker_services.h"
  10 #include "sandbox/win/src/target_services.h"
  11
  12 #if defined(_WIN64) && !defined(NACL_WIN64)
  13 // We allow building this code for Win64 as part of NaCl to enable development
  14 #pragma message("Sandbox code was not fully tested on 64-bit Windows.\
  15  crbug.com/168414 ")
  16 #endif
  17
  18
  19 namespace sandbox {
  20 // The section for IPC and policy.
  21 SANDBOX_INTERCEPT HANDLE  g_shared_section = NULL;
  22
  23 static bool               s_is_broker =  false;
  24
  25 // GetBrokerServices: the current implementation relies on a shared section
  26 // that is created by the broker and opened by the target.
  27 BrokerServices* SandboxFactory::GetBrokerServices() {
  28   // Can't be the broker if the shared section is open.
  29   if (NULL != g_shared_section) {
  30     return NULL;
  31   }
  32   // If the shared section does not exist we are the broker, then create
  33   // the broker object.
  34   s_is_broker = true;
  35   return BrokerServicesBase::GetInstance();
  36 }
  37
  38 // GetTargetServices implementation must follow the same technique as the
  39 // GetBrokerServices, but in this case the logic is the opposite.
  40 TargetServices* SandboxFactory::GetTargetServices() {
  41   // Can't be the target if the section handle is not valid.
  42   if (NULL == g_shared_section) {
  43     return NULL;
  44   }
  45   // We are the target
  46   s_is_broker = false;
  47   // Creates and returns the target services implementation.
  48   return TargetServicesBase::GetInstance();
  49 }
  50
  51 }  // namespace sandbox