ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
mbed-os/features/FEATURE_BLE/source/generic/GenericSecurityManager.cpp

968 lines
29 KiB
C++
Raw Blame History

/* mbed Microcontroller Library
* Copyright (c) 2017-2018 ARM Limited
*
* 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 "SecurityManager.h"
#include "PalSecurityManager.h"
#include "Callback.h"
#include "ble/pal/GapTypes.h"
#include "ble/BLETypes.h"
#include "ble/generic/GenericSecurityDb.h"
namespace ble {
namespace generic {
using ble::pal::address_t;
using ble::pal::advertising_peer_address_type_t;
using ble::pal::irk_t;
using ble::pal::csrk_t;
using ble::pal::ltk_t;
using ble::pal::ediv_t;
using ble::pal::rand_t;
using ble::pal::AuthenticationMask;
using ble::pal::KeyDistribution;
using ble::pairing_failure_t;
using ble::pal::PasskeyAsci;
using ble::pal::passkey_num_t;
typedef SecurityManager::SecurityIOCapabilities_t SecurityIOCapabilities_t;
class GenericSecurityManagerEventHandler;
class GenericSecurityManager : public SecurityManager,
public ble::pal::SecurityManagerEventHandler {
public:
////////////////////////////////////////////////////////////////////////////
// SM lifecycle management
//
virtual ble_error_t init(
bool bondable = true,
bool mitm = true,
SecurityIOCapabilities_t iocaps = IO_CAPS_NONE,
const Passkey_t passkey = NULL,
bool signing = true
) {
_db.restore();
_pal.set_io_capability((io_capability_t::type) iocaps);
_pal.set_display_passkey(PasskeyAsci::to_num(passkey));
_legacy_pairing_allowed = true;
bool secure_connections;
_pal.get_secure_connections_support(secure_connections);
_default_authentication.set_bondable(bondable);
_default_authentication.set_mitm(mitm);
_default_authentication.set_secure_connections(secure_connections);
_default_authentication.set_keypress_notification(true);
_default_key_distribution.set_signing(signing);
if (signing) {
init_signing();
}
return BLE_ERROR_NONE;
}
virtual ble_error_t reset(void) {
_db.sync();
SecurityManager::reset();
return BLE_ERROR_NONE;
}
virtual ble_error_t preserveBondingStateOnReset(bool enabled) {
_db.set_restore(enabled);
return BLE_ERROR_NONE;
}
virtual ble_error_t init_signing() {
/* TODO: store init bit to avoid rerunning needlessly*/
const csrk_t *pcsrk = _db.get_local_csrk();
if (!pcsrk) {
csrk_t csrk;
/* TODO: generate csrk */
pcsrk = &csrk;
_db.set_local_csrk(*pcsrk);
}
_pal.set_csrk(*pcsrk);
return BLE_ERROR_NONE;
}
////////////////////////////////////////////////////////////////////////////
// List management
//
virtual ble_error_t purgeAllBondingState(void) {
_db.clear_entries();
return BLE_ERROR_NONE;
}
////////////////////////////////////////////////////////////////////////////
// Pairing
//
virtual ble_error_t requestPairing(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
/* TODO: remove */
_db.get_entry(connection)->master = true;
/* end temp code */
if (!_legacy_pairing_allowed && !_default_authentication.get_secure_connections()) {
return BLE_ERROR_OPERATION_NOT_PERMITTED;
}
set_mitm_performed(connection, false);
AuthenticationMask link_authentication(_default_authentication);
link_authentication.set_mitm(entry->mitm_requested);
KeyDistribution link_key_distribution(_default_key_distribution);
link_key_distribution.set_signing(entry->signing_requested);
link_key_distribution.set_encryption(_master_sends_keys);
return _pal.send_pairing_request(
connection,
entry->oob,
link_authentication,
link_key_distribution,
link_key_distribution
);
}
virtual ble_error_t acceptPairingRequest(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
AuthenticationMask link_authentication(_default_authentication);
link_authentication.set_mitm(entry->mitm_requested);
KeyDistribution link_key_distribution(_default_key_distribution);
link_key_distribution.set_signing(entry->signing_requested);
return _pal.send_pairing_response(
connection,
entry->oob,
link_authentication,
link_key_distribution,
link_key_distribution
);
}
virtual ble_error_t canceltPairingRequest(connection_handle_t connection) {
return _pal.cancel_pairing(connection, pairing_failure_t::UNSPECIFIED_REASON);
}
virtual ble_error_t setPairingRequestAuthorisation(bool required = true) {
_pairing_authorisation_required = required;
return BLE_ERROR_NONE;
}
////////////////////////////////////////////////////////////////////////////
// Feature support
//
virtual ble_error_t allowLegacyPairing(bool allow = true) {
_legacy_pairing_allowed = allow;
return BLE_ERROR_NONE;
}
virtual ble_error_t getSecureConnectionsSupport(bool *enabled) {
return _pal.get_secure_connections_support(*enabled);
}
////////////////////////////////////////////////////////////////////////////
// Security settings
//
virtual ble_error_t setIoCapability(SecurityIOCapabilities_t iocaps) {
return _pal.set_io_capability((io_capability_t::type) iocaps);
}
virtual ble_error_t setDisplayPasskey(const Passkey_t passkey) {
return _pal.set_display_passkey(PasskeyAsci::to_num(passkey));
}
virtual ble_error_t setAuthenticationTimeout(
connection_handle_t connection,
uint32_t timeout_in_ms
) {
return _pal.set_authentication_timeout(connection, timeout_in_ms / 10);
}
virtual ble_error_t getAuthenticationTimeout(
connection_handle_t connection,
uint32_t *timeout_in_ms
) {
uint16_t timeout_in_10ms;
ble_error_t status = _pal.get_authentication_timeout(connection, timeout_in_10ms);
*timeout_in_ms = 10 * timeout_in_10ms;
return status;
}
virtual ble_error_t setLinkSecurity(
connection_handle_t connection,
SecurityMode_t securityMode
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
if (entry->encryption_requested) {
return BLE_ERROR_OPERATION_NOT_PERMITTED;
}
switch (securityMode) {
case SECURITY_MODE_ENCRYPTION_OPEN_LINK:
return setLinkEncryption(connection, link_encryption_t::NOT_ENCRYPTED);
case SECURITY_MODE_ENCRYPTION_NO_MITM:
return setLinkEncryption(connection, link_encryption_t::ENCRYPTED);
case SECURITY_MODE_ENCRYPTION_WITH_MITM:
return setLinkEncryption(connection, link_encryption_t::ENCRYPTED_WITH_MITM);
case SECURITY_MODE_SIGNED_NO_MITM:
return getSigningKey(connection, false);
case SECURITY_MODE_SIGNED_WITH_MITM:
return getSigningKey(connection, true);
default:
return BLE_ERROR_INVALID_PARAM;
}
}
virtual ble_error_t setKeypressNotification(bool enabled = true) {
_default_authentication.set_keypress_notification(enabled);
return BLE_ERROR_NONE;
}
virtual ble_error_t enableSigning(
connection_handle_t connection,
bool enabled = true
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
entry->signing_requested = enabled;
if (entry->encrypted) {
return BLE_ERROR_INVALID_STATE;
}
if (!entry->csrk_stored && entry->signing_requested) {
init_signing();
if (entry->master) {
return requestPairing(connection);
} else {
return slave_security_request(connection);
}
}
return BLE_ERROR_NONE;
}
virtual ble_error_t setHintFutureRoleReversal(bool enable = true) {
_master_sends_keys = enable;
return BLE_ERROR_NONE;
}
virtual ble_error_t slave_security_request(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
AuthenticationMask link_authentication(_default_authentication);
link_authentication.set_mitm(entry->mitm_requested);
return _pal.slave_security_request(connection, link_authentication);
}
////////////////////////////////////////////////////////////////////////////
// Encryption
//
/**
* Get the security status of a connection.
*
* @param[in] connection Handle to identify the connection.
* @param[out] securityStatusP Security status.
*
* @return BLE_ERROR_NONE or appropriate error code indicating the failure reason.
*/
virtual ble_error_t getLinkEncryption(
connection_handle_t connection,
link_encryption_t *encryption
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
if (entry->encrypted) {
if (entry->mitm_ltk) {
*encryption = link_encryption_t::ENCRYPTED_WITH_MITM;
} else {
*encryption = link_encryption_t::ENCRYPTED;
}
} else if (entry->encryption_requested) {
*encryption = link_encryption_t::ENCRYPTION_IN_PROGRESS;
} else {
*encryption = link_encryption_t::NOT_ENCRYPTED;
}
return BLE_ERROR_NONE;
}
virtual ble_error_t setLinkEncryption(
connection_handle_t connection,
link_encryption_t encryption
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
link_encryption_t current_encryption(link_encryption_t::NOT_ENCRYPTED);
getLinkEncryption(connection, &current_encryption);
if (current_encryption == link_encryption_t::ENCRYPTION_IN_PROGRESS) {
return BLE_ERROR_OPERATION_NOT_PERMITTED;
}
/* ignore if the link is already at required state*/
if (current_encryption == encryption) {
return BLE_ERROR_NONE;
}
if (encryption == link_encryption_t::NOT_ENCRYPTED) {
if (entry->encrypted) {
return _pal.disable_encryption(connection);
}
} else if (encryption == link_encryption_t::ENCRYPTED) {
/* if already better than encrypted don't bother */
if (current_encryption == link_encryption_t::ENCRYPTED_WITH_MITM) {
return BLE_ERROR_NONE;
}
entry->encryption_requested = true;
return enable_encryption(connection);
} else if (encryption == link_encryption_t::ENCRYPTED_WITH_MITM) {
if (entry->mitm_ltk && !entry->encrypted) {
entry->encryption_requested = true;
return enable_encryption(connection);
} else {
entry->encryption_requested = true;
return requestAuthentication(connection);
}
} else {
return BLE_ERROR_INVALID_PARAM;
}
return BLE_ERROR_NONE;
}
virtual ble_error_t getEncryptionKeySize(
connection_handle_t connection,
uint8_t *size
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (entry) {
*size = entry->encryption_key_size;
return BLE_ERROR_NONE;
} else {
return BLE_ERROR_INVALID_PARAM;
}
}
virtual ble_error_t setEncryptionKeyRequirements(
uint8_t minimumByteSize,
uint8_t maximumByteSize
) {
return _pal.set_encryption_key_requirements(minimumByteSize, maximumByteSize);
}
virtual ble_error_t enable_encryption(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
if (entry->master) {
if (entry->ltk_stored) {
_db.get_entry_peer_keys(
mbed::callback(this, &GenericSecurityManager::enable_encryption_cb),
connection
);
return BLE_ERROR_NONE;
} else {
return requestPairing(connection);
}
} else {
return slave_security_request(connection);
}
}
/**
* Returns the requested LTK to the PAL. Called by the security db.
*
* @param entry security entry returned by the database.
* @param entryKeys security entry containing keys.
*
* @return no action instruction to the db since this only reads the keys.
*/
DbCbAction_t enable_encryption_cb(
SecurityEntry_t& entry,
SecurityEntryKeys_t& entryKeys
) {
_pal.enable_encryption(entry.handle, entryKeys.ltk, entryKeys.ediv, entryKeys.rand);
return DB_CB_ACTION_NO_UPDATE_REQUIRED;
}
////////////////////////////////////////////////////////////////////////////
// Privacy
//
virtual ble_error_t setPrivateAddressTimeout(uint16_t timeout_in_seconds) {
return _pal.set_private_address_timeout(timeout_in_seconds);
}
////////////////////////////////////////////////////////////////////////////
// Keys
//
virtual ble_error_t getSigningKey(connection_handle_t connection, bool authenticated) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
if (entry->csrk_stored && (entry->mitm_csrk || !authenticated)) {
/* we have a key that is either authenticated or we don't care if it is
* so retrieve it from the db now */
_db.get_entry_csrk(
mbed::callback(this, &GenericSecurityManager::return_csrk_cb),
connection
);
return BLE_ERROR_NONE;
} else {
/* we don't have the right key so we need to get it first
* keys exchange will create the signingKey event */
if (authenticated) {
return requestAuthentication(connection);
} else if (entry->master) {
return requestPairing(connection);
} else {
return slave_security_request(connection);
}
}
}
/**
* Returns the requested LTK to the PAL. Called by the security db.
*
* @param entry security entry returned by the database.
* @param entryKeys security entry containing keys.
*
* @return no action instruction to the db since this only reads the keys.
*/
DbCbAction_t set_ltk_cb(
SecurityEntry_t& entry,
SecurityEntryKeys_t& entryKeys
) {
_pal.set_ltk(entry.handle, entryKeys.ltk);
return DB_CB_ACTION_NO_UPDATE_REQUIRED;
}
DbCbAction_t return_csrk_cb(
connection_handle_t connection,
csrk_t csrk
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return DB_CB_ACTION_NO_UPDATE_REQUIRED;
}
_app_event_handler->signingKey(
connection,
csrk,
entry->mitm_csrk
);
return DB_CB_ACTION_NO_UPDATE_REQUIRED;
}
////////////////////////////////////////////////////////////////////////////
// Authentication
//
virtual ble_error_t requestAuthentication(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
if (entry->mitm_ltk) {
if (entry->authenticated) {
return BLE_ERROR_NONE;
} else {
entry->encryption_requested = true;
return enable_encryption(connection);
}
} else {
entry->mitm_requested = true;
if (entry->master) {
return requestPairing(connection);
} else {
return slave_security_request(connection);
}
}
}
////////////////////////////////////////////////////////////////////////////
// MITM
//
virtual ble_error_t setOOBDataUsage(
connection_handle_t connection,
bool useOOB,
bool OOBProvidesMITM = true
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return BLE_ERROR_INVALID_PARAM;
}
entry->oob = useOOB;
entry->oob_mitm_protection = OOBProvidesMITM;
return BLE_ERROR_NONE;
}
virtual ble_error_t confirmationEntered(
connection_handle_t connection,
bool confirmation
) {
return _pal.confirmation_entered(connection, confirmation);
}
virtual ble_error_t passkeyEntered(
connection_handle_t connection,
Passkey_t passkey
) {
return _pal.passkey_request_reply(
connection,
PasskeyAsci::to_num(passkey)
);
}
virtual ble_error_t sendKeypressNotification(
connection_handle_t connection,
Keypress_t keypress
) {
return _pal.send_keypress_notification(connection, keypress);
}
////////////////////////////////////////////////////////////////////////////
// Event handler
//
virtual void setSecurityManagerEventHandler(
::SecurityManager::SecurityManagerEventHandler* handler
) {
SecurityManager::setSecurityManagerEventHandler(handler);
if (handler) {
_app_event_handler = handler;
}
}
protected:
GenericSecurityManager(ble::pal::SecurityManager& palImpl, GenericSecurityDb& dbImpl)
: _pal(palImpl),
_db(dbImpl),
_pairing_authorisation_required(false),
_legacy_pairing_allowed(true),
_master_sends_keys(false),
_default_authentication(0),
_default_key_distribution(KeyDistribution::KEY_DISTRIBUTION_ALL) {
_app_event_handler = &defaultEventHandler;
_pal.set_event_handler(this);
}
private:
ble::pal::SecurityManager& _pal;
GenericSecurityDb& _db;
bool _pairing_authorisation_required;
bool _legacy_pairing_allowed;
bool _master_sends_keys;
AuthenticationMask _default_authentication;
KeyDistribution _default_key_distribution;
/* implements ble::pal::SecurityManagerEventHandler */
public:
////////////////////////////////////////////////////////////////////////////
// Pairing
//
virtual void on_pairing_request(
connection_handle_t connection,
bool use_oob,
AuthenticationMask authentication,
KeyDistribution initiator_dist,
KeyDistribution responder_dist
) {
/* TODO: remove */
_db.get_entry(connection)->master = false;
/* end temp code */
/* cancel pairing if secure connection paring is not possible */
if (!_legacy_pairing_allowed && !authentication.get_secure_connections()) {
canceltPairingRequest(connection);
}
set_mitm_performed(connection, false);
if (_pairing_authorisation_required) {
_app_event_handler->acceptPairingRequest(connection);
}
}
virtual void on_pairing_error(
connection_handle_t connection,
pairing_failure_t error
) {
set_mitm_performed(connection, false);
_app_event_handler->pairingResult(
connection,
(SecurityManager::SecurityCompletionStatus_t)(error.value() | 0x80)
);
}
virtual void on_pairing_timed_out(connection_handle_t connection) {
set_mitm_performed(connection, false);
_app_event_handler->pairingResult(
connection,
SecurityManager::SEC_STATUS_TIMEOUT
);
}
virtual void on_pairing_completed(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (entry) {
if (entry->encryption_requested) {
enable_encryption(connection);
}
/* sc doesn't need to exchange ltk */
if (entry->secure_connections) {
entry->mitm_ltk = entry->mitm_performed;
}
}
_app_event_handler->pairingResult(
connection,
SecurityManager::SEC_STATUS_SUCCESS
);
}
////////////////////////////////////////////////////////////////////////////
// Security
//
virtual void on_valid_mic_timeout(connection_handle_t connection) {
_app_event_handler->validMicTimeout(connection);
}
virtual void on_slave_security_request(
connection_handle_t connection,
AuthenticationMask authentication
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return;
}
if (authentication.get_secure_connections()
&& _default_authentication.get_secure_connections()
&& !entry->secure_connections) {
requestPairing(connection);
}
if (authentication.get_mitm()
&& !entry->mitm_ltk) {
entry->mitm_requested = true;
requestPairing(connection);
}
}
////////////////////////////////////////////////////////////////////////////
// Encryption
//
virtual void on_link_encryption_result(
connection_handle_t connection,
link_encryption_t result
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return;
}
if (result == link_encryption_t::ENCRYPTED) {
entry->encryption_requested = false;
}
if (result == link_encryption_t::ENCRYPTED_WITH_MITM) {
entry->encryption_requested = false;
entry->authenticated = true;
}
_app_event_handler->linkEncryptionResult(connection, result);
}
virtual void on_link_encryption_request_timed_out(
connection_handle_t connection
) {
_app_event_handler->linkEncryptionResult(
connection,
link_encryption_t::NOT_ENCRYPTED
);
}
////////////////////////////////////////////////////////////////////////////
// MITM
//
virtual void set_mitm_performed(connection_handle_t connection, bool enable = true) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (entry) {
entry->mitm_performed = true;
}
}
virtual void on_passkey_display(
connection_handle_t connection,
const passkey_num_t passkey
) {
set_mitm_performed(connection);
_app_event_handler->passkeyDisplay(connection, PasskeyAsci(passkey).asci);
}
virtual void on_keypress_notification(
connection_handle_t connection,
SecurityManager::Keypress_t keypress
) {
set_mitm_performed(connection);
_app_event_handler->keypressNotification(connection, keypress);
}
virtual void on_passkey_request(connection_handle_t connection) {
set_mitm_performed(connection);
_app_event_handler->passkeyRequest(connection);
}
virtual void on_confirmation_request(connection_handle_t connection) {
set_mitm_performed(connection);
_app_event_handler->confirmationRequest(connection);
}
virtual void on_legacy_pairing_oob_request(connection_handle_t connection) {
set_mitm_performed(connection);
_app_event_handler->legacyPairingOobRequest(connection);
}
virtual void on_oob_request(connection_handle_t connection) {
set_mitm_performed(connection);
_app_event_handler->oobRequest(connection);
}
////////////////////////////////////////////////////////////////////////////
// Keys
//
virtual void on_keys_distributed(
connection_handle_t connection,
advertising_peer_address_type_t peer_address_type,
const address_t &peer_identity_address,
const ediv_t ediv,
const rand_t rand,
const ltk_t ltk,
const irk_t irk,
const csrk_t csrk
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return;
}
entry->mitm_ltk = entry->mitm_performed;
entry->mitm_csrk = entry->mitm_performed;
_db.set_entry_peer(
connection,
(peer_address_type == advertising_peer_address_type_t::PUBLIC_ADDRESS),
peer_identity_address,
ediv,
rand,
ltk,
irk,
csrk
);
_app_event_handler->signingKey(
connection,
csrk,
entry->mitm_csrk
);
}
virtual void on_keys_distributed_ltk(
connection_handle_t connection,
const ltk_t ltk
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return;
}
entry->mitm_ltk = entry->mitm_performed;
_db.set_entry_peer_ltk(connection, ltk);
}
virtual void on_keys_distributed_ediv_rand(
connection_handle_t connection,
const ediv_t ediv,
const rand_t rand
) {
_db.set_entry_peer_ediv_rand(connection, ediv, rand);
}
virtual void on_keys_distributed_local_ltk(
connection_handle_t connection,
const ltk_t ltk
) {
_db.set_entry_local_ltk(connection, ltk);
}
virtual void on_keys_distributed_local_ediv_rand(
connection_handle_t connection,
const ediv_t ediv,
const rand_t rand
) {
_db.set_entry_local_ediv_rand(connection, ediv, rand);
}
virtual void on_keys_distributed_irk(
connection_handle_t connection,
const irk_t irk
) {
_db.set_entry_peer_irk(connection, irk);
}
virtual void on_keys_distributed_bdaddr(
connection_handle_t connection,
advertising_peer_address_type_t peer_address_type,
const address_t &peer_identity_address
) {
_db.set_entry_peer_bdaddr(
connection,
(peer_address_type == advertising_peer_address_type_t::PUBLIC_ADDRESS),
peer_identity_address
);
}
virtual void on_keys_distributed_csrk(
connection_handle_t connection,
const csrk_t csrk
) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return;
}
entry->mitm_csrk = entry->mitm_performed;
_db.set_entry_peer_csrk(connection, csrk);
_app_event_handler->signingKey(
connection,
csrk,
entry->mitm_csrk
);
}
virtual void on_ltk_request(
connection_handle_t connection,
const ediv_t ediv,
const rand_t rand
) {
_db.get_entry_local_keys(
mbed::callback(this, &GenericSecurityManager::set_ltk_cb),
connection,
ediv,
rand
);
}
virtual void on_disconnected(connection_handle_t connection) {
SecurityEntry_t *entry = _db.get_entry(connection);
if (!entry) {
return;
}
entry->connected = false;
_db.sync();
}
virtual void on_connected(connection_handle_t connection, address_t peer_address) {
/* TODO: if resolvable peer address, find identity address */
SecurityEntry_t *entry = _db.connect_entry(connection, peer_address);
if (!entry) {
return;
}
entry->mitm_requested = false;
entry->mitm_performed = false;
entry->connected = true;
entry->authenticated = false;
entry->encryption_requested = false;
entry->encrypted = false;
entry->signing_requested = false;
}
private:
/* handler is always a valid pointer */
::SecurityManager::SecurityManagerEventHandler *_app_event_handler;
};
} /* namespace generic */
} /* namespace ble */
Reference in New Issue View Git Blame Copy Permalink