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 namespace sandbox {
  13 // The section for IPC and policy.
  14 SANDBOX_INTERCEPT HANDLE  g_shared_section;
  15
  16 static bool               s_is_broker =  false;
  17
  18 // GetBrokerServices: the current implementation relies on a shared section
  19 // that is created by the broker and opened by the target.
  20 BrokerServices* SandboxFactory::GetBrokerServices() {
  21   // Can't be the broker if the shared section is open.
  22   if (NULL != g_shared_section) {
  23     return NULL;
  24   }
  25   // If the shared section does not exist we are the broker, then create
  26   // the broker object.
  27   s_is_broker = true;
  28   return BrokerServicesBase::GetInstance();
  29 }
  30
  31 // GetTargetServices implementation must follow the same technique as the
  32 // GetBrokerServices, but in this case the logic is the opposite.
  33 TargetServices* SandboxFactory::GetTargetServices() {
  34   // Can't be the target if the section handle is not valid.
  35   if (NULL == g_shared_section) {
  36     return NULL;
  37   }
  38   // We are the target
  39   s_is_broker = false;
  40   // Creates and returns the target services implementation.
  41   return TargetServicesBase::GetInstance();
  42 }
  43
  44 }  // namespace sandbox