1 // 2 // Copyright (C) 2016 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef TPM_MANAGER_CLIENT_TPM_OWNERSHIP_BINDER_PROXY_H_ 18 #define TPM_MANAGER_CLIENT_TPM_OWNERSHIP_BINDER_PROXY_H_ 19 20 #include <base/macros.h> 21 22 #include "android/tpm_manager/ITpmOwnership.h" 23 #include "tpm_manager/common/export.h" 24 #include "tpm_manager/common/tpm_ownership_interface.h" 25 26 namespace tpm_manager { 27 28 // An implementation of TpmOwnershipInterface that forwards requests to 29 // tpm_managerd using Binder. 30 class TPM_MANAGER_EXPORT TpmOwnershipBinderProxy 31 : public TpmOwnershipInterface { 32 public: 33 TpmOwnershipBinderProxy() = default; 34 explicit TpmOwnershipBinderProxy(android::tpm_manager::ITpmOwnership* binder); 35 ~TpmOwnershipBinderProxy() override = default; 36 37 // Initializes the client. Returns true on success. 38 bool Initialize(); 39 40 // TpmOwnershipInterface methods. All assume a message loop and binder watcher 41 // have already been configured elsewhere. 42 void GetTpmStatus(const GetTpmStatusRequest& request, 43 const GetTpmStatusCallback& callback) override; 44 void TakeOwnership(const TakeOwnershipRequest& request, 45 const TakeOwnershipCallback& callback) override; 46 void RemoveOwnerDependency( 47 const RemoveOwnerDependencyRequest& request, 48 const RemoveOwnerDependencyCallback& callback) override; 49 50 private: 51 android::sp<android::tpm_manager::ITpmOwnership> default_binder_; 52 android::tpm_manager::ITpmOwnership* binder_ = nullptr; 53 54 DISALLOW_COPY_AND_ASSIGN(TpmOwnershipBinderProxy); 55 }; 56 57 } // namespace tpm_manager 58 59 #endif // TPM_MANAGER_CLIENT_TPM_OWNERSHIP_BINDER_PROXY_H_ 60
