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sm: add distributed key validation ability

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This commit is contained in:
Matthias Ringwald 2022-10-05 14:20:57 +02:00
parent 16fc96d575
commit 8980298abd
1 changed files with 16 additions and 5 deletions
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21
src/ble/sm.c
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@ -1530,8 +1530,24 @@ static void sm_store_bonding_information(sm_connection_t * sm_conn){
}
}
static void sm_pairing_error(sm_connection_t * sm_conn, uint8_t reason){
sm_conn->sm_pairing_failed_reason = reason;
sm_conn->sm_engine_state = SM_GENERAL_SEND_PAIRING_FAILED;
}
static uint8_t sm_key_distribution_validate_received(sm_connection_t * sm_conn){
return 0;
}
static void sm_key_distribution_handle_all_received(sm_connection_t * sm_conn){
// abort pairing if received keys are not valid
uint8_t reason = sm_key_distribution_validate_received(sm_conn);
if (reason != 0){
sm_pairing_error(sm_conn, reason);
return;
}
// only store pairing information if both sides are bondable, i.e., the bonadble flag is set
bool bonding_enabled = (sm_pairing_packet_get_auth_req(setup->sm_m_preq)
& sm_pairing_packet_get_auth_req(setup->sm_s_pres)
@ -1544,11 +1560,6 @@ static void sm_key_distribution_handle_all_received(sm_connection_t * sm_conn){
}
}
static void sm_pairing_error(sm_connection_t * sm_conn, uint8_t reason){
sm_conn->sm_pairing_failed_reason = reason;
sm_conn->sm_engine_state = SM_GENERAL_SEND_PAIRING_FAILED;
}
static inline void sm_pdu_received_in_wrong_state(sm_connection_t * sm_conn){
sm_pairing_error(sm_conn, SM_REASON_UNSPECIFIED_REASON);
}