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 <string> 21 22 #include <base/macros.h> 23 #include <base/memory/scoped_ptr.h> 24 25 #include "trunks/trunks_export.h" 26 27 namespace trunks { 28 29 class AuthorizationDelegate; 30 class BlobParser; 31 class CommandTransceiver; 32 class HmacSession; 33 class PolicySession; 34 class SessionManager; 35 class Tpm; 36 class TpmState; 37 class TpmUtility; 38 39 // TrunksFactory is an interface to act as a factory for trunks objects. This 40 // mechanism assists in injecting mocks for testing. This class is not 41 // thread-safe. 42 class TRUNKS_EXPORT TrunksFactory { 43 public: TrunksFactory()44 TrunksFactory() {} ~TrunksFactory()45 virtual ~TrunksFactory() {} 46 47 // Returns a Tpm instance. The caller does not take ownership. 48 virtual Tpm* GetTpm() const = 0; 49 50 // Returns an uninitialized TpmState instance. The caller takes ownership. 51 virtual scoped_ptr<TpmState> GetTpmState() const = 0; 52 53 // Returns a TpmUtility instance. The caller takes ownership. 54 virtual scoped_ptr<TpmUtility> GetTpmUtility() const = 0; 55 56 // Returns an AuthorizationDelegate instance for basic password authorization. 57 // The caller takes ownership. 58 virtual scoped_ptr<AuthorizationDelegate> GetPasswordAuthorization( 59 const std::string& password) const = 0; 60 61 // Returns a SessionManager instance. The caller takes ownership. 62 virtual scoped_ptr<SessionManager> GetSessionManager() const = 0; 63 64 // Returns a HmacSession instance. The caller takes ownership. 65 virtual scoped_ptr<HmacSession> GetHmacSession() const = 0; 66 67 // Returns a PolicySession instance. The caller takes ownership. 68 virtual scoped_ptr<PolicySession> GetPolicySession() const = 0; 69 70 // Returns a TrialSession instance. The caller takes ownership. 71 virtual scoped_ptr<PolicySession> GetTrialSession() const = 0; 72 73 // Returns a BlobParser instance. The caller takes ownership. 74 virtual scoped_ptr<BlobParser> GetBlobParser() const = 0; 75 76 private: 77 DISALLOW_COPY_AND_ASSIGN(TrunksFactory); 78 }; 79 80 } // namespace trunks 81 82 #endif // TRUNKS_TRUNKS_FACTORY_H_ 83