48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
|
|
* Copyright 2020 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <keymaster/android_keymaster_messages.h>
|
|
#include <keymaster/serializable.h>
|
|
|
|
#include "common/libs/fs/shared_fd.h"
|
|
#include "common/libs/security/keymaster_channel.h"
|
|
|
|
namespace cuttlefish {
|
|
|
|
/*
|
|
* Interface for communication channels that synchronously communicate Keymaster
|
|
* IPC/RPC calls. Sends messages over a file descriptor.
|
|
*/
|
|
class SharedFdKeymasterChannel : public KeymasterChannel {
|
|
public:
|
|
SharedFdKeymasterChannel(SharedFD input, SharedFD output);
|
|
|
|
bool SendRequest(AndroidKeymasterCommand command,
|
|
const keymaster::Serializable& message) override;
|
|
bool SendResponse(AndroidKeymasterCommand command,
|
|
const keymaster::Serializable& message) override;
|
|
ManagedKeymasterMessage ReceiveMessage() override;
|
|
|
|
private:
|
|
SharedFD input_;
|
|
SharedFD output_;
|
|
bool SendMessage(keymaster::AndroidKeymasterCommand command, bool response,
|
|
const keymaster::Serializable& message);
|
|
};
|
|
|
|
} // namespace cuttlefish
|