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/*
* Copyright 2019 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.
*/
#define LOG_TAG "security"
#include <memory>
#include "module.h"
#include "os/handler.h"
#include "os/log.h"
#include "hci/acl_manager.h"
#include "hci/hci_layer.h"
#include "l2cap/le/l2cap_le_module.h"
#include "neighbor/name_db.h"
#include "security/channel/security_manager_channel.h"
#include "security/facade_configuration_api.h"
#include "security/internal/security_manager_impl.h"
#include "security/l2cap_security_module_interface.h"
#include "security/security_module.h"
#include "storage/storage_module.h"
namespace bluetooth {
namespace security {
const ModuleFactory SecurityModule::Factory = ModuleFactory([]() { return new SecurityModule(); });
struct SecurityModule::impl {
impl(
os::Handler* security_handler,
l2cap::le::L2capLeModule* l2cap_le_module,
l2cap::classic::L2capClassicModule* l2cap_classic_module,
hci::HciLayer* hci_layer,
hci::AclManager* acl_manager,
hci::Controller* controller,
storage::StorageModule* storage_module,
neighbor::NameDbModule* name_db_module)
: security_handler_(security_handler),
l2cap_classic_module_(l2cap_classic_module),
l2cap_le_module_(l2cap_le_module),
security_manager_channel_(new channel::SecurityManagerChannel(security_handler_, hci_layer)),
hci_layer_(hci_layer),
acl_manager_(acl_manager),
controller_(controller),
storage_module_(storage_module),
l2cap_security_interface_(&security_manager_impl, security_handler),
name_db_module_(name_db_module) {
l2cap_classic_module->InjectSecurityEnforcementInterface(&l2cap_security_interface_);
l2cap_le_module->InjectSecurityEnforcementInterface(&l2cap_security_interface_);
security_manager_channel_->SetSecurityInterface(
l2cap_classic_module->GetSecurityInterface(security_handler_, security_manager_channel_));
}
os::Handler* security_handler_;
l2cap::classic::L2capClassicModule* l2cap_classic_module_;
l2cap::le::L2capLeModule* l2cap_le_module_;
channel::SecurityManagerChannel* security_manager_channel_;
hci::HciLayer* hci_layer_;
hci::AclManager* acl_manager_;
hci::Controller* controller_;
storage::StorageModule* storage_module_;
L2capSecurityModuleInterface l2cap_security_interface_;
neighbor::NameDbModule* name_db_module_;
internal::SecurityManagerImpl security_manager_impl{security_handler_,
l2cap_le_module_,
security_manager_channel_,
hci_layer_,
acl_manager_,
controller_,
storage_module_,
name_db_module_};
~impl() {
delete security_manager_channel_;
l2cap_classic_module_->InjectSecurityEnforcementInterface(nullptr);
l2cap_le_module_->InjectSecurityEnforcementInterface(nullptr);
}
};
void SecurityModule::ListDependencies(ModuleList* list) {
list->add<l2cap::le::L2capLeModule>();
list->add<l2cap::classic::L2capClassicModule>();
list->add<hci::HciLayer>();
list->add<hci::AclManager>();
list->add<hci::Controller>();
list->add<storage::StorageModule>();
list->add<neighbor::NameDbModule>();
}
void SecurityModule::Start() {
pimpl_ = std::make_unique<impl>(
GetHandler(),
GetDependency<l2cap::le::L2capLeModule>(),
GetDependency<l2cap::classic::L2capClassicModule>(),
GetDependency<hci::HciLayer>(),
GetDependency<hci::AclManager>(),
GetDependency<hci::Controller>(),
GetDependency<storage::StorageModule>(),
GetDependency<neighbor::NameDbModule>());
GetDependency<hci::AclManager>()->SetSecurityModule(this);
}
void SecurityModule::Stop() {
pimpl_.reset();
}
std::string SecurityModule::ToString() const {
return "Security Module";
}
std::unique_ptr<SecurityManager> SecurityModule::GetSecurityManager() {
return std::unique_ptr<SecurityManager>(
new SecurityManager(pimpl_->security_handler_, &pimpl_->security_manager_impl));
}
std::unique_ptr<FacadeConfigurationApi> SecurityModule::GetFacadeConfigurationApi() {
return std::unique_ptr<FacadeConfigurationApi>(
new FacadeConfigurationApi(pimpl_->security_handler_, &pimpl_->security_manager_impl));
}
} // namespace security
} // namespace bluetooth