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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sandbox/win/src/sandbox.h"
#include <windows.h>
#include "sandbox/win/src/broker_services.h"
#include "sandbox/win/src/sandbox_factory.h"
#include "sandbox/win/src/target_services.h"
namespace sandbox {
// The section for IPC and policy.
SANDBOX_INTERCEPT HANDLE g_shared_section;
static bool s_is_broker = false;
// GetBrokerServices: the current implementation relies on a shared section
// that is created by the broker and opened by the target.
BrokerServices* SandboxFactory::GetBrokerServices() {
// Can't be the broker if the shared section is open.
if (g_shared_section)
return nullptr;
// If the shared section does not exist we are the broker, then create
// the broker object.
s_is_broker = true;
return BrokerServicesBase::GetInstance();
}
// GetTargetServices implementation must follow the same technique as the
// GetBrokerServices, but in this case the logic is the opposite.
TargetServices* SandboxFactory::GetTargetServices() {
// Can't be the target if the section handle is not valid.
if (!g_shared_section)
return nullptr;
// We are the target
s_is_broker = false;
// Creates and returns the target services implementation.
return TargetServicesBase::GetInstance();
}
} // namespace sandbox
// Allow calling to SetInterceptionHint from any loaded DLL.
extern "C" {
// Allows querying for whether the current process has been sandboxed.
__declspec(dllexport) bool IsSandboxedProcess() {
return !!sandbox::g_shared_section;
}
__declspec(dllexport) sandbox::TargetServicesBase* GetMainTargetServices() {
if (!sandbox::g_shared_section)
return nullptr;
return sandbox::TargetServicesBase::GetInstance();
}
} // extern "C"
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