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96 lines
3.3 KiB
96 lines
3.3 KiB
// |
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// Copyright (C) 2016 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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#include "tpm_manager/client/tpm_ownership_binder_proxy.h" |
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#include <base/bind.h> |
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#include <base/callback.h> |
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#include <base/logging.h> |
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#include <binderwrapper/binder_wrapper.h> |
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#include <utils/Errors.h> |
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#include "android/tpm_manager/BnTpmManagerClient.h" |
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#include "android/tpm_manager/BpTpmOwnership.h" |
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#include "tpm_manager/client/binder_proxy_helper.h" |
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#include "tpm_manager/common/tpm_manager.pb.h" |
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#include "tpm_manager/common/tpm_manager_constants.h" |
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namespace { |
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template <typename ResponseProtobufType> |
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void CreateErrorResponse(ResponseProtobufType* response) { |
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response->set_status(tpm_manager::STATUS_DEVICE_ERROR); |
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} |
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} // namespace |
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namespace tpm_manager { |
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using android::tpm_manager::ITpmOwnership; |
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TpmOwnershipBinderProxy::TpmOwnershipBinderProxy(ITpmOwnership* binder) |
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: binder_(binder) {} |
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bool TpmOwnershipBinderProxy::Initialize() { |
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if (binder_) { |
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return true; |
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} |
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android::sp<android::IBinder> service_binder = |
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android::BinderWrapper::GetOrCreateInstance()->GetService( |
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kTpmOwnershipBinderName); |
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if (!service_binder.get()) { |
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LOG(ERROR) << "TpmOwnershipBinderProxy: Service does not exist."; |
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return false; |
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} |
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default_binder_ = new android::tpm_manager::BpTpmOwnership(service_binder); |
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binder_ = default_binder_.get(); |
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return true; |
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} |
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void TpmOwnershipBinderProxy::GetTpmStatus( |
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const GetTpmStatusRequest& request, |
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const GetTpmStatusCallback& callback) { |
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auto method = |
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base::Bind(&ITpmOwnership::GetTpmStatus, base::Unretained(binder_)); |
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auto get_error = base::Bind(&CreateErrorResponse<GetTpmStatusReply>); |
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BinderProxyHelper<GetTpmStatusRequest, GetTpmStatusReply> helper( |
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method, callback, get_error); |
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helper.SendRequest(request); |
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} |
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void TpmOwnershipBinderProxy::TakeOwnership( |
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const TakeOwnershipRequest& request, |
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const TakeOwnershipCallback& callback) { |
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auto method = |
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base::Bind(&ITpmOwnership::TakeOwnership, base::Unretained(binder_)); |
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auto get_error = base::Bind(&CreateErrorResponse<TakeOwnershipReply>); |
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BinderProxyHelper<TakeOwnershipRequest, TakeOwnershipReply> helper( |
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method, callback, get_error); |
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helper.SendRequest(request); |
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} |
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void TpmOwnershipBinderProxy::RemoveOwnerDependency( |
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const RemoveOwnerDependencyRequest& request, |
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const RemoveOwnerDependencyCallback& callback) { |
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auto method = base::Bind(&ITpmOwnership::RemoveOwnerDependency, |
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base::Unretained(binder_)); |
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auto get_error = base::Bind(&CreateErrorResponse<RemoveOwnerDependencyReply>); |
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BinderProxyHelper<RemoveOwnerDependencyRequest, RemoveOwnerDependencyReply> |
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helper(method, callback, get_error); |
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helper.SendRequest(request); |
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} |
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} // namespace tpm_manager
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