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 26namespace tpm_manager { 27 28// An implementation of TpmNvramInterface that forwards requests to tpm_managerd 29// using Binder. 30class 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