78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
|
|
* Copyright (C) 2015 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.
|
|
*/
|
|
|
|
#ifndef KEYSTORE_OPERATION_H_
|
|
#define KEYSTORE_OPERATION_H_
|
|
|
|
#include <list>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <optional>
|
|
#include <vector>
|
|
|
|
#include <binder/Binder.h>
|
|
#include <binder/IBinder.h>
|
|
#include <keymasterV4_1/Keymaster.h>
|
|
#include <utils/StrongPointer.h>
|
|
|
|
#include <keystore/keymaster_types.h>
|
|
#include <keystore/keystore_concurrency.h>
|
|
#include <keystore/keystore_hidl_support.h>
|
|
|
|
#include "operation_struct.h"
|
|
|
|
namespace keystore {
|
|
|
|
using ::android::IBinder;
|
|
using ::android::sp;
|
|
using keymaster::support::Keymaster;
|
|
|
|
/**
|
|
* OperationMap handles the translation of uint64_t's and keymaster2_device_t's to opaque binder
|
|
* tokens that can be used to reference that operation at a later time by applications. It also does
|
|
* LRU tracking for operation pruning and keeps a mapping of clients to operations to allow for
|
|
* graceful handling of application death.
|
|
*/
|
|
|
|
class OperationMap {
|
|
public:
|
|
explicit OperationMap(IBinder::DeathRecipient* deathRecipient);
|
|
sp<IBinder> addOperation(uint64_t handle, uint64_t keyid, KeyPurpose purpose,
|
|
const sp<Keymaster>& dev, const sp<IBinder>& appToken,
|
|
KeyCharacteristics&& characteristics,
|
|
const hidl_vec<KeyParameter>& params, bool pruneable);
|
|
std::shared_ptr<Operation> getOperation(const sp<IBinder>& token);
|
|
std::shared_ptr<Operation> removeOperation(const sp<IBinder>& token, bool wasSuccessful,
|
|
int32_t responseCode);
|
|
size_t getOperationCount() const { return mMap.size(); }
|
|
sp<IBinder> getOldestPruneableOperation();
|
|
std::vector<sp<IBinder>> getOperationsForToken(const sp<IBinder>& appToken);
|
|
|
|
private:
|
|
void updateLru(const sp<IBinder>& token);
|
|
void removeOperationTracking(const sp<IBinder>& token, const sp<IBinder>& appToken);
|
|
|
|
std::map<sp<IBinder>, std::shared_ptr<Operation>> mMap;
|
|
std::list<sp<IBinder>> mLru;
|
|
std::map<sp<IBinder>, std::vector<sp<IBinder>>> mAppTokenMap;
|
|
IBinder::DeathRecipient* mDeathRecipient;
|
|
};
|
|
|
|
} // namespace keystore
|
|
|
|
#endif
|