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60 lines
1.8 KiB
60 lines
1.8 KiB
// |
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// Copyright (C) 2015 The Android Open Source Project |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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#ifndef TPM_MANAGER_SERVER_TPM2_STATUS_IMPL_H_ |
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#define TPM_MANAGER_SERVER_TPM2_STATUS_IMPL_H_ |
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#include "tpm_manager/server/tpm_status.h" |
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#include <memory> |
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#include <base/macros.h> |
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#include <trunks/tpm_state.h> |
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#include <trunks/trunks_factory.h> |
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namespace tpm_manager { |
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class Tpm2StatusImpl : public TpmStatus { |
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public: |
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// Does not take ownership of |factory|. |
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explicit Tpm2StatusImpl(const trunks::TrunksFactory& factory); |
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~Tpm2StatusImpl() override = default; |
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// TpmState methods. |
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bool IsTpmEnabled() override; |
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bool IsTpmOwned() override; |
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bool GetDictionaryAttackInfo(int* counter, |
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int* threshold, |
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bool* lockout, |
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int* seconds_remaining) override; |
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private: |
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// Refreshes the Tpm state information. Can be called as many times as needed |
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// to refresh the cached information in this class. Return true if the |
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// refresh operation succeeded. |
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bool Refresh(); |
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bool initialized_{false}; |
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bool is_owned_{false}; |
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const trunks::TrunksFactory& trunks_factory_; |
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std::unique_ptr<trunks::TpmState> trunks_tpm_state_; |
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DISALLOW_COPY_AND_ASSIGN(Tpm2StatusImpl); |
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}; |
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} // namespace tpm_manager |
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#endif // TPM_MANAGER_SERVER_TPM2_STATUS_IMPL_H_
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