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 static bool               s_is_broker = false;
  16
  17 // GetBrokerServices: the current implementation relies on a shared section
  18 // that is created by the broker and opened by the target.
  19 BrokerServices* SandboxFactory::GetBrokerServices() {
  20   // Can't be the broker if the shared section is open.
  21   if (NULL != g_shared_section) {
  22     return NULL;
  23   }
  24   // If the shared section does not exist we are the broker, then create
  25   // the broker object.
  26   s_is_broker = true;
  27   return BrokerServicesBase::GetInstance();
  28 }
  29
  30 // GetTargetServices implementation must follow the same technique as the
  31 // GetBrokerServices, but in this case the logic is the opposite.
  32 TargetServices* SandboxFactory::GetTargetServices() {
  33   // Can't be the target if the section handle is not valid.
  34   if (NULL == g_shared_section) {
  35     return NULL;
  36   }
  37   // We are the target
  38   s_is_broker = false;
  39   // Creates and returns the target services implementation.
  40   return TargetServicesBase::GetInstance();
  41 }
  42
  43 }  // namespace sandbox
  44
  45 // Allows querying for whether the current process has been sandboxed.
  46 extern "C" bool __declspec(dllexport) IsSandboxedProcess() {
  47   return sandbox::g_shared_section != NULL;
  48 }