65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <windows.h>
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#include <string>
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#include <keymaster/android_keymaster_messages.h>
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#include <keymaster/serializable.h>
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#include "common/libs/security/keymaster_channel.h"
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namespace cuttlefish {
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using keymaster::AndroidKeymasterCommand;
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/*
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* Interface for communication channels that synchronously communicate Keymaster
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* IPC/RPC calls. Sends messages over a named pipe.
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*/
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class KeymasterWindowsChannel : public KeymasterChannel {
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public:
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~KeymasterWindowsChannel();
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static std::unique_ptr<KeymasterWindowsChannel> Create(HANDLE pipe_handle);
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bool SendRequest(AndroidKeymasterCommand command,
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const keymaster::Serializable& message) override;
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bool SendResponse(AndroidKeymasterCommand command,
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const keymaster::Serializable& message) override;
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ManagedKeymasterMessage ReceiveMessage() override;
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protected:
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KeymasterWindowsChannel() = default;
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private:
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bool WaitForConnection(HANDLE pipe_handle);
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bool SendMessage(AndroidKeymasterCommand command, bool response,
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const keymaster::Serializable& message);
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bool ReadFromPipe(LPVOID buffer, DWORD size);
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// Handle to the (asynchronous) named pipe.
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HANDLE pipe_handle_ = NULL;
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// OVERLAPPED struct for the named pipe. It contains an event object and is
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// used to wait for asynchronous pipe operations.
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OVERLAPPED pipe_overlapped_ = {};
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};
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} // namespace cuttlefish
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