| // |
| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "tpm_manager/client/tpm_nvram_dbus_proxy.h" |
| |
| #include <brillo/bind_lambda.h> |
| #include <brillo/dbus/dbus_method_invoker.h> |
| |
| #include "tpm_manager/common/tpm_manager_constants.h" |
| #include "tpm_manager/common/tpm_nvram_dbus_interface.h" |
| |
| namespace { |
| |
| // Use a two minute timeout because TPM operations can take a long time. |
| const int kDBusTimeoutMS = 2 * 60 * 1000; |
| |
| } // namespace |
| |
| namespace tpm_manager { |
| |
| TpmNvramDBusProxy::~TpmNvramDBusProxy() { |
| if (bus_) { |
| bus_->ShutdownAndBlock(); |
| } |
| } |
| |
| bool TpmNvramDBusProxy::Initialize() { |
| dbus::Bus::Options options; |
| options.bus_type = dbus::Bus::SYSTEM; |
| bus_ = new dbus::Bus(options); |
| object_proxy_ = bus_->GetObjectProxy( |
| tpm_manager::kTpmManagerServiceName, |
| dbus::ObjectPath(tpm_manager::kTpmManagerServicePath)); |
| return (object_proxy_ != nullptr); |
| } |
| |
| void TpmNvramDBusProxy::DefineNvram(const DefineNvramRequest& request, |
| const DefineNvramCallback& callback) { |
| CallMethod<DefineNvramReply>(tpm_manager::kDefineNvram, request, callback); |
| } |
| |
| void TpmNvramDBusProxy::DestroyNvram(const DestroyNvramRequest& request, |
| const DestroyNvramCallback& callback) { |
| CallMethod<DestroyNvramReply>(tpm_manager::kDestroyNvram, request, callback); |
| } |
| |
| void TpmNvramDBusProxy::WriteNvram(const WriteNvramRequest& request, |
| const WriteNvramCallback& callback) { |
| CallMethod<WriteNvramReply>(tpm_manager::kWriteNvram, request, callback); |
| } |
| |
| void TpmNvramDBusProxy::ReadNvram(const ReadNvramRequest& request, |
| const ReadNvramCallback& callback) { |
| CallMethod<ReadNvramReply>(tpm_manager::kReadNvram, request, callback); |
| } |
| |
| void TpmNvramDBusProxy::IsNvramDefined(const IsNvramDefinedRequest& request, |
| const IsNvramDefinedCallback& callback) { |
| CallMethod<IsNvramDefinedReply>( |
| tpm_manager::kIsNvramDefined, request, callback); |
| } |
| |
| void TpmNvramDBusProxy::IsNvramLocked(const IsNvramLockedRequest& request, |
| const IsNvramLockedCallback& callback) { |
| CallMethod<IsNvramLockedReply>( |
| tpm_manager::kIsNvramLocked, request, callback); |
| } |
| |
| void TpmNvramDBusProxy::GetNvramSize(const GetNvramSizeRequest& request, |
| const GetNvramSizeCallback& callback) { |
| CallMethod<GetNvramSizeReply>(tpm_manager::kGetNvramSize, request, callback); |
| } |
| |
| template<typename ReplyProtobufType, |
| typename RequestProtobufType, |
| typename CallbackType> |
| void TpmNvramDBusProxy::CallMethod(const std::string& method_name, |
| const RequestProtobufType& request, |
| const CallbackType& callback) { |
| auto on_error = [callback](brillo::Error* error) { |
| ReplyProtobufType reply; |
| reply.set_status(STATUS_NOT_AVAILABLE); |
| callback.Run(reply); |
| }; |
| brillo::dbus_utils::CallMethodWithTimeout( |
| kDBusTimeoutMS, |
| object_proxy_, |
| tpm_manager::kTpmNvramInterface, |
| method_name, |
| callback, |
| base::Bind(on_error), |
| request); |
| } |
| |
| } // namespace tpm_manager |