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_NVRAM_BINDER_PROXY_H_ 18 #define TPM_MANAGER_CLIENT_TPM_NVRAM_BINDER_PROXY_H_ 19 20 #include <base/macros.h> 21 22 #include "android/tpm_manager/ITpmNvram.h" 23 #include "tpm_manager/common/export.h" 24 #include "tpm_manager/common/tpm_nvram_interface.h" 25 26 namespace tpm_manager { 27 28 // An implementation of TpmNvramInterface that forwards requests to tpm_managerd 29 // using Binder. 30 class TPM_MANAGER_EXPORT TpmNvramBinderProxy : public TpmNvramInterface { 31 public: 32 TpmNvramBinderProxy() = default; 33 explicit TpmNvramBinderProxy(android::tpm_manager::ITpmNvram* binder); 34 ~TpmNvramBinderProxy() override = default; 35 36 // Initializes the client. Returns true on success. 37 bool Initialize(); 38 39 // TpmNvramInterface methods. All assume a message loop and binder watcher 40 // have already been configured elsewhere. 41 void DefineSpace(const DefineSpaceRequest& request, 42 const DefineSpaceCallback& callback) override; 43 void DestroySpace(const DestroySpaceRequest& request, 44 const DestroySpaceCallback& callback) override; 45 void WriteSpace(const WriteSpaceRequest& request, 46 const WriteSpaceCallback& callback) override; 47 void ReadSpace(const ReadSpaceRequest& request, 48 const ReadSpaceCallback& callback) override; 49 void LockSpace(const LockSpaceRequest& request, 50 const LockSpaceCallback& callback) override; 51 void ListSpaces(const ListSpacesRequest& request, 52 const ListSpacesCallback& callback) override; 53 void GetSpaceInfo(const GetSpaceInfoRequest& request, 54 const GetSpaceInfoCallback& callback) override; 55 56 private: 57 android::sp<android::tpm_manager::ITpmNvram> default_binder_; 58 android::tpm_manager::ITpmNvram* binder_ = nullptr; 59 60 DISALLOW_COPY_AND_ASSIGN(TpmNvramBinderProxy); 61 }; 62 63 } // namespace tpm_manager 64 65 #endif // TPM_MANAGER_CLIENT_TPM_NVRAM_BINDER_PROXY_H_ 66
