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_H_ 18 #define TRUNKS_TRUNKS_FACTORY_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include <base/macros.h> 24 25 #include "trunks/authorization_delegate.h" 26 #include "trunks/blob_parser.h" 27 #include "trunks/hmac_session.h" 28 #include "trunks/policy_session.h" 29 #include "trunks/session_manager.h" 30 #include "trunks/tpm_state.h" 31 #include "trunks/tpm_utility.h" 32 #include "trunks/trunks_export.h" 33 34 namespace trunks { 35 36 class Tpm; 37 38 // TrunksFactory is an interface to act as a factory for trunks objects. This 39 // mechanism assists in injecting mocks for testing. 40 class TRUNKS_EXPORT TrunksFactory { 41 public: TrunksFactory()42 TrunksFactory() {} ~TrunksFactory()43 virtual ~TrunksFactory() {} 44 45 // Returns a Tpm instance. The caller does not take ownership. All calls to 46 // this method on a given TrunksFactory instance will return the same value. 47 virtual Tpm* GetTpm() const = 0; 48 49 // Returns an uninitialized TpmState instance. The caller takes ownership. 50 virtual std::unique_ptr<TpmState> GetTpmState() const = 0; 51 52 // Returns a TpmUtility instance. The caller takes ownership. 53 virtual std::unique_ptr<TpmUtility> GetTpmUtility() const = 0; 54 55 // Returns an AuthorizationDelegate instance for basic password authorization. 56 // The caller takes ownership. 57 virtual std::unique_ptr<AuthorizationDelegate> GetPasswordAuthorization( 58 const std::string& password) const = 0; 59 60 // Returns a SessionManager instance. The caller takes ownership. 61 virtual std::unique_ptr<SessionManager> GetSessionManager() const = 0; 62 63 // Returns a HmacSession instance. The caller takes ownership. 64 virtual std::unique_ptr<HmacSession> GetHmacSession() const = 0; 65 66 // Returns a PolicySession instance. The caller takes ownership. 67 virtual std::unique_ptr<PolicySession> GetPolicySession() const = 0; 68 69 // Returns a TrialSession instance. The caller takes ownership. 70 virtual std::unique_ptr<PolicySession> GetTrialSession() const = 0; 71 72 // Returns a BlobParser instance. The caller takes ownership. 73 virtual std::unique_ptr<BlobParser> GetBlobParser() const = 0; 74 75 private: 76 DISALLOW_COPY_AND_ASSIGN(TrunksFactory); 77 }; 78 79 } // namespace trunks 80 81 #endif // TRUNKS_TRUNKS_FACTORY_H_ 82