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sm: abort pairing if bonding information is not deleted in re-erncryption failed handler with ENABLE_LE_PROACTIVE_AUTHENTICATION

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This commit is contained in:
Matthias Ringwald 2020-12-07 12:38:37 +01:00
parent 9b75de03b9
commit 19a4077283
1 changed files with 16 additions and 1 deletions
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17
src/ble/sm.c
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@ -2668,15 +2668,30 @@ static void sm_run(void){
have_ltk = !sm_is_null_key(ltk); have_ltk = !sm_is_null_key(ltk);
if (have_ltk){ if (have_ltk){
log_info("pairing request but LTK available"); log_info("pairing request but LTK available");
// emit re-ecnryption start/fail sequence // emit re-encryption start/fail sequence
sm_reencryption_started(connection); sm_reencryption_started(connection);
sm_reencryption_complete(connection, ERROR_CODE_PIN_OR_KEY_MISSING); sm_reencryption_complete(connection, ERROR_CODE_PIN_OR_KEY_MISSING);
} }
break; break;
default: default:
have_ltk = false;
break; break;
} }
#ifdef ENABLE_LE_PROACTIVE_AUTHENTICATION
// Reject pairing if we (still) have LTK
if (have_ltk){
memset(ltk, 0, 16);
le_device_db_encryption_get(connection->sm_le_db_index, NULL, NULL, ltk, NULL, NULL, NULL, NULL);
have_ltk = !sm_is_null_key(ltk);
if (have_ltk){
connection->sm_le_db_index = -1;
sm_pairing_error(connection, SM_REASON_UNSPECIFIED_REASON);
break;
}
}
#endif
sm_init_setup(connection); sm_init_setup(connection);
sm_pairing_started(connection); sm_pairing_started(connection);