| /* |
| * Copyright 2016 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 AVB_MANAGER_H_ |
| #define AVB_MANAGER_H_ |
| |
| extern "C" { |
| |
| #include <stdio.h> |
| |
| } // extern C |
| |
| #include <UniquePtr.h> |
| |
| #include "avb_messages.h" |
| #include "secure_storage_interface.h" |
| |
| #define LOG_TAG "avb" |
| |
| #define TLOGE(fmt, ...) \ |
| fprintf(stderr, "%s:%s:%d: " fmt, LOG_TAG, __func__, __LINE__, ##__VA_ARGS__) |
| #define TLOGI(fmt, ...) \ |
| fprintf(stdout, "%s:%s:%d: " fmt, LOG_TAG, __func__, __LINE__, ##__VA_ARGS__) |
| #define TLOGD(fmt, ...) \ |
| while (0) { \ |
| if (DEBUG) { \ |
| fprintf(stdout, \ |
| "%s:%s:%d: " fmt, \ |
| LOG_TAG, \ |
| __func__, \ |
| __LINE__, \ |
| ##__VA_ARGS__); \ |
| } \ |
| } |
| |
| extern const unsigned int kRollbackSlotMax; |
| |
| namespace avb { |
| |
| // Implements request callbacks |
| class AvbManager { |
| public: |
| // AvbManager takes ownership of |storage|, so |storage| will be deleted |
| // when AvbManager is destructed. |
| AvbManager(SecureStorageInterface* storage) : storage_(storage) {} |
| |
| void ReadRollbackIndex(const RollbackIndexRequest& request, |
| RollbackIndexResponse* response); |
| void WriteRollbackIndex(const RollbackIndexRequest& request, |
| RollbackIndexResponse* response); |
| // Client is responsible for managing versioning, by sending an initial |
| // "GetVersion" request. Note this means that the "GetVersion" request cannot |
| // be versioned. |
| void GetVersion(const GetVersionRequest& request, |
| GetVersionResponse* response); |
| // The Avb service provides storage for Android Things permanent attributes |
| // structure, but these must still be verified against write-once fuses. |
| void ReadPermanentAttributes(const ReadPermanentAttributesRequest& request, |
| ReadPermanentAttributesResponse* response); |
| void WritePermanentAttributes(const WritePermanentAttributesRequest& request, |
| WritePermanentAttributesResponse* response); |
| void ReadLockState(const ReadLockStateRequest& request, |
| ReadLockStateResponse* response); |
| void WriteLockState(const WriteLockStateRequest& request, |
| WriteLockStateResponse* response); |
| |
| private: |
| int DeleteRollbackIndexFiles(); |
| |
| UniquePtr<SecureStorageInterface> storage_; |
| }; |
| |
| } // namespace avb |
| |
| #endif // AVB_MANAGER_H_ |