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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.
GetBrokerServices()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.
GetTargetServices()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
45