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      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 <string>
     23 
     24 #include <base/macros.h>
     25 #include <base/memory/scoped_ptr.h>
     26 
     27 #include "trunks/command_transceiver.h"
     28 #include "trunks/trunks_export.h"
     29 
     30 namespace trunks {
     31 
     32 class Tpm;
     33 
     34 // TrunksFactoryImpl is the default TrunksFactory implementation.
     35 class TRUNKS_EXPORT TrunksFactoryImpl : public TrunksFactory {
     36  public:
     37   // Uses an IPC proxy as the default CommandTransceiver. If |failure_is_fatal|
     38   // is set then a failure to initialize the proxy will abort.
     39   explicit TrunksFactoryImpl(bool failure_is_fatal);
     40   // TrunksFactoryImpl does not take ownership of |transceiver|. This
     41   // transceiver is forwarded down to the Tpm instance maintained by
     42   // this factory.
     43   explicit TrunksFactoryImpl(CommandTransceiver* transceiver);
     44   ~TrunksFactoryImpl() override;
     45 
     46   // TrunksFactory methods.
     47   Tpm* GetTpm() const override;
     48   scoped_ptr<TpmState> GetTpmState() const override;
     49   scoped_ptr<TpmUtility> GetTpmUtility() const override;
     50   scoped_ptr<AuthorizationDelegate> GetPasswordAuthorization(
     51       const std::string& password) const override;
     52   scoped_ptr<SessionManager> GetSessionManager() const override;
     53   scoped_ptr<HmacSession> GetHmacSession() const override;
     54   scoped_ptr<PolicySession> GetPolicySession() const override;
     55   scoped_ptr<PolicySession> GetTrialSession() const override;
     56   scoped_ptr<BlobParser> GetBlobParser() const override;
     57 
     58  private:
     59   scoped_ptr<CommandTransceiver> default_transceiver_;
     60   CommandTransceiver* transceiver_;
     61   scoped_ptr<Tpm> tpm_;
     62 
     63   DISALLOW_COPY_AND_ASSIGN(TrunksFactoryImpl);
     64 };
     65 
     66 }  // namespace trunks
     67 
     68 #endif  // TRUNKS_TRUNKS_FACTORY_IMPL_H_
     69