1 // 2 // Copyright (C) 2014 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 TRUNKS_TRUNKS_FACTORY_IMPL_H_ 18 #define TRUNKS_TRUNKS_FACTORY_IMPL_H_ 19 20 #include "trunks/trunks_factory.h" 21 22 #include <memory> 23 #include <string> 24 25 #include <base/macros.h> 26 27 #include "trunks/command_transceiver.h" 28 #include "trunks/trunks_export.h" 29 30 namespace trunks { 31 32 // TrunksFactoryImpl is the default TrunksFactory implementation. This class is 33 // thread-safe with the exception of Initialize() but created objects are not 34 // necessarily thread-safe. Example usage: 35 // 36 // TrunksFactoryImpl factory; 37 // factory.Initialize(true /*failure_is_fatal*/); 38 // Tpm* tpm = factory.GetTpm(); 39 class TRUNKS_EXPORT TrunksFactoryImpl : public TrunksFactory { 40 public: 41 // Uses an IPC proxy as the default CommandTransceiver. 42 TrunksFactoryImpl(); 43 // TrunksFactoryImpl does not take ownership of |transceiver|. This 44 // transceiver is forwarded down to the Tpm instance maintained by 45 // this factory. It is assumed that the |transceiver| is already initialized. 46 explicit TrunksFactoryImpl(CommandTransceiver* transceiver); 47 ~TrunksFactoryImpl() override; 48 49 // Initialize the factory. This must be called before any other methods. 50 // Returns true on success. 51 bool Initialize(); 52 53 // TrunksFactory methods. 54 Tpm* GetTpm() const override; 55 std::unique_ptr<TpmState> GetTpmState() const override; 56 std::unique_ptr<TpmUtility> GetTpmUtility() const override; 57 std::unique_ptr<AuthorizationDelegate> GetPasswordAuthorization( 58 const std::string& password) const override; 59 std::unique_ptr<SessionManager> GetSessionManager() const override; 60 std::unique_ptr<HmacSession> GetHmacSession() const override; 61 std::unique_ptr<PolicySession> GetPolicySession() const override; 62 std::unique_ptr<PolicySession> GetTrialSession() const override; 63 std::unique_ptr<BlobParser> GetBlobParser() const override; 64 65 private: 66 std::unique_ptr<CommandTransceiver> default_transceiver_; 67 CommandTransceiver* transceiver_; 68 std::unique_ptr<Tpm> tpm_; 69 bool initialized_ = false; 70 71 DISALLOW_COPY_AND_ASSIGN(TrunksFactoryImpl); 72 }; 73 74 } // namespace trunks 75 76 #endif // TRUNKS_TRUNKS_FACTORY_IMPL_H_ 77
