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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/policy/status_collector/tpm_status_combiner.h"
#include <utility>
#include "base/logging.h"
namespace policy {
TpmStatusCombiner::TpmStatusCombiner(
DeviceStatusCollector::TpmStatusReceiver callback)
: callback_(std::move(callback)) {
DCHECK(!callback_.is_null());
}
TpmStatusCombiner::~TpmStatusCombiner() = default;
void TpmStatusCombiner::OnGetTpmStatus(
const ::tpm_manager::GetTpmNonsensitiveStatusReply& reply) {
has_tpm_status_ = true;
if (reply.status() == ::tpm_manager::STATUS_SUCCESS) {
tpm_status_info_.set_enabled(reply.is_enabled());
tpm_status_info_.set_owned(reply.is_owned());
// Wiped owner password means the TPm initialization is done and no any
// further operations needed.
tpm_status_info_.set_tpm_initialized(reply.is_owned() &&
!reply.is_owner_password_present());
tpm_status_info_.set_owner_password_is_present(
reply.is_owner_password_present());
} else {
LOG(WARNING) << "Failed to get tpm status.";
}
RunCallbackIfComplete();
}
void TpmStatusCombiner::OnGetEnrollmentStatus(
const ::attestation::GetStatusReply& reply) {
has_enrollment_status_ = true;
if (reply.status() == ::attestation::STATUS_SUCCESS) {
tpm_status_info_.set_attestation_prepared(reply.prepared_for_enrollment());
tpm_status_info_.set_attestation_enrolled(reply.enrolled());
} else {
LOG(WARNING) << "Failed to get enrollment info.";
}
RunCallbackIfComplete();
}
void TpmStatusCombiner::OnGetDictionaryAttackInfo(
const ::tpm_manager::GetDictionaryAttackInfoReply& reply) {
has_dictionary_attack_info_ = true;
if (reply.status() == ::tpm_manager::STATUS_SUCCESS) {
tpm_status_info_.set_dictionary_attack_counter(
reply.dictionary_attack_counter());
tpm_status_info_.set_dictionary_attack_threshold(
reply.dictionary_attack_threshold());
tpm_status_info_.set_dictionary_attack_lockout_in_effect(
reply.dictionary_attack_lockout_in_effect());
tpm_status_info_.set_dictionary_attack_lockout_seconds_remaining(
reply.dictionary_attack_lockout_seconds_remaining());
} else {
LOG(WARNING) << "Failed to get dictionary attack info.";
}
RunCallbackIfComplete();
}
void TpmStatusCombiner::OnGetSupportedFeatures(
const ::tpm_manager::GetSupportedFeaturesReply& reply) {
has_supported_features_ = true;
if (reply.status() == ::tpm_manager::STATUS_SUCCESS) {
enterprise_management::TpmSupportedFeatures* const
tpm_supported_features_proto =
tpm_status_info_.mutable_tpm_supported_features();
tpm_supported_features_proto->set_is_allowed(reply.is_allowed());
tpm_supported_features_proto->set_support_pinweaver(
reply.support_pinweaver());
tpm_supported_features_proto->set_support_runtime_selection(
reply.support_runtime_selection());
tpm_supported_features_proto->set_support_u2f(reply.support_u2f());
} else {
LOG(WARNING) << "Failed to get supported features.";
}
RunCallbackIfComplete();
}
void TpmStatusCombiner::RunCallbackIfComplete() {
if (!has_tpm_status_ || !has_enrollment_status_ ||
!has_dictionary_attack_info_ || !has_supported_features_)
return;
std::move(callback_).Run(tpm_status_info_);
}
} // namespace policy
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