| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chromeos/tpm/prepare_tpm.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/logging.h" |
| #include "chromeos/dbus/tpm_manager/tpm_manager.pb.h" |
| #include "chromeos/dbus/tpm_manager/tpm_manager_client.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| void OnClearStoredOwnerPassword( |
| base::OnceClosure preparation_finished_callback, |
| const ::tpm_manager::ClearStoredOwnerPasswordReply& reply) { |
| LOG_IF(ERROR, reply.status() != ::tpm_manager::STATUS_SUCCESS) |
| << "Failed to call ClearStoredOwnerPassword; status: " << reply.status(); |
| std::move(preparation_finished_callback).Run(); |
| } |
| |
| void OnTakeOwnership(base::OnceClosure preparation_finished_callback, |
| const ::tpm_manager::TakeOwnershipReply& reply) { |
| LOG_IF(ERROR, reply.status() != ::tpm_manager::STATUS_SUCCESS) |
| << "Failed to call TakeOwnership; status: " << reply.status(); |
| std::move(preparation_finished_callback).Run(); |
| } |
| |
| void OnGetTpmStatus(base::OnceClosure preparation_finished_callback, |
| const ::tpm_manager::GetTpmNonsensitiveStatusReply& reply) { |
| if (reply.status() != ::tpm_manager::STATUS_SUCCESS) { |
| LOG(WARNING) << " Failed to get tpm status; status: " << reply.status(); |
| } |
| if (reply.status() != ::tpm_manager::STATUS_SUCCESS || !reply.is_enabled()) { |
| LOG_IF(WARNING, !reply.is_enabled()) << "TPM is reportedly disabled."; |
| std::move(preparation_finished_callback).Run(); |
| return; |
| } |
| if (reply.is_owned()) { |
| TpmManagerClient::Get()->ClearStoredOwnerPassword( |
| ::tpm_manager::ClearStoredOwnerPasswordRequest(), |
| base::BindOnce(OnClearStoredOwnerPassword, |
| std::move(preparation_finished_callback))); |
| } else { |
| TpmManagerClient::Get()->TakeOwnership( |
| ::tpm_manager::TakeOwnershipRequest(), |
| base::BindOnce(OnTakeOwnership, |
| std::move(preparation_finished_callback))); |
| } |
| } |
| |
| } // namespace |
| |
| void PrepareTpm(base::OnceClosure preparation_finished_callback) { |
| TpmManagerClient::Get()->GetTpmNonsensitiveStatus( |
| ::tpm_manager::GetTpmNonsensitiveStatusRequest(), |
| base::BindOnce(OnGetTpmStatus, std::move(preparation_finished_callback))); |
| } |
| |
| } // namespace chromeos |