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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.
*
*/
#pragma once
#include <memory>
#include <vector>
#include "hci/address_with_type.h"
#include "hci/le_address_manager.h"
#include "security/internal/security_manager_impl.h"
#include "security/pairing/oob_data.h"
#include "security/security_manager_listener.h"
namespace bluetooth {
namespace security {
/**
* Manages the security attributes, pairing, bonding of devices, and the
* encryption/decryption of communications.
*/
class SecurityManager : public UICallbacks {
public:
friend class SecurityModule;
/**
* Initialize the security record map from an internal device database.
*/
void Init();
/**
* Initiates bond over Classic transport with device, if not bonded yet.
*
* This will initiate the Numeric Comparison bonding method
*
* @param address device address we want to bond with
*/
void CreateBond(hci::AddressWithType address);
/**
* Initiates bond over Classic transport with device, if not bonded yet.
*
* This will initiate the Out of Band bonding method
*
* @param address device address we want to bond with
* @param remote_p192_oob_data comparison and random for p192
* @param remote_p256_oob_data comparison and random for p256
*/
void CreateBondOutOfBand(
hci::AddressWithType address, pairing::OobData remote_p192_oob_data, pairing::OobData remote_p256_oob_data);
/**
* Get the out of band data from the controller to send to another device
*
* @param callback pointer to callback used for notifying that a security HCI command completed
*/
void GetOutOfBandData(channel::SecurityCommandStatusCallback callback);
/**
* Initiates bond over Low Energy transport with device, if not bonded yet.
*
* @param address device address we want to bond with
*/
void CreateBondLe(hci::AddressWithType address);
/**
* Cancels the pairing process for this device.
*
* @param device pointer to device with which we want to cancel our bond
*/
void CancelBond(hci::AddressWithType device);
/**
* Disassociates the device and removes the persistent LTK
*
* @param device pointer to device we want to forget
*/
void RemoveBond(hci::AddressWithType device);
/**
* Register Security UI handler, for handling prompts around the Pairing process.
*/
void SetUserInterfaceHandler(UI* user_interface, os::Handler* handler);
/**
* Specify the initiator address policy used for LE transport. Can only be called once.
*/
void SetLeInitiatorAddressPolicyForTest(
hci::LeAddressManager::AddressPolicy address_policy,
hci::AddressWithType fixed_address,
crypto_toolbox::Octet16 rotation_irk,
std::chrono::milliseconds minimum_rotation_time,
std::chrono::milliseconds maximum_rotation_time);
/**
* Register to listen for callback events from SecurityManager
*
* @param listener ISecurityManagerListener instance to handle callbacks
*/
void RegisterCallbackListener(ISecurityManagerListener* listener, os::Handler* handler);
/**
* Unregister listener for callback events from SecurityManager
*
* @param listener ISecurityManagerListener instance to unregister
*/
void UnregisterCallbackListener(ISecurityManagerListener* listener);
void OnPairingPromptAccepted(const bluetooth::hci::AddressWithType& address, bool confirmed) override;
void OnConfirmYesNo(const bluetooth::hci::AddressWithType& address, bool confirmed) override;
void OnPasskeyEntry(const bluetooth::hci::AddressWithType& address, uint32_t passkey) override;
void OnPinEntry(const bluetooth::hci::AddressWithType& address, std::vector<uint8_t> pin) override;
protected:
SecurityManager(os::Handler* security_handler, internal::SecurityManagerImpl* security_manager_impl)
: security_handler_(security_handler), security_manager_impl_(security_manager_impl) {}
private:
os::Handler* security_handler_ = nullptr;
internal::SecurityManagerImpl* security_manager_impl_;
DISALLOW_COPY_AND_ASSIGN(SecurityManager);
};
} // namespace security
} // namespace bluetooth