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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __SECURITY_SANDBOX_SANDBOXTARGET_H__
#define __SECURITY_SANDBOX_SANDBOXTARGET_H__
#include <windows.h>
#include "mozilla/Assertions.h"
#include "base/MissingBasicTypes.h"
#include "sandbox/win/src/sandbox.h"
namespace mozilla {
class SandboxTarget
{
public:
/**
* Obtains a pointer to the singleton instance
*/
static SandboxTarget* Instance();
/**
* Used by the application to pass in the target services that provide certain
* functions to the sandboxed code.
* The target services must already be initialized.
*
* @param aTargetServices The target services that will be used
*/
void SetTargetServices(sandbox::TargetServices* aTargetServices)
{
MOZ_ASSERT(aTargetServices);
MOZ_ASSERT(!mTargetServices,
"Sandbox TargetServices must only be set once.");
mTargetServices = aTargetServices;
}
/**
* Called by the library that wants to "start" the sandbox, i.e. change to the
* more secure delayed / lockdown policy.
*/
void StartSandbox()
{
if (mTargetServices) {
mTargetServices->LowerToken();
}
}
/**
* Used to duplicate handles via the broker process. The permission for the
* handle type and target process has to have been set on the sandbox policy.
*/
bool BrokerDuplicateHandle(HANDLE aSourceHandle, DWORD aTargetProcessId,
HANDLE* aTargetHandle, DWORD aDesiredAccess,
DWORD aOptions)
{
if (!mTargetServices) {
return false;
}
sandbox::ResultCode result =
mTargetServices->DuplicateHandle(aSourceHandle, aTargetProcessId,
aTargetHandle, aDesiredAccess, aOptions);
return (sandbox::SBOX_ALL_OK == result);
}
protected:
SandboxTarget() :
mTargetServices(nullptr)
{
}
sandbox::TargetServices* mTargetServices;
};
} // mozilla
#endif
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