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extmod/modbluetooth: Add support for passkey authentication.

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Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
This commit is contained in:
Jim Mussared
2020-11-26 23:49:45 +11:00
committed by Damien George
parent 4bcbbfdb6c
commit e4f27cbee7
3 changed files with 71 additions and 0 deletions
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37
extmod/nimble/modbluetooth_nimble.c
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@@ -347,6 +347,16 @@ STATIC int gap_event_cb(struct ble_gap_event *event, void *arg) {
return BLE_GAP_REPEAT_PAIRING_RETRY;
}
case BLE_GAP_EVENT_PASSKEY_ACTION: {
DEBUG_printf("gap_event_cb: passkey action: conn_handle=%d action=%d num=" UINT_FMT "\n", event->passkey.conn_handle, event->passkey.params.action, (mp_uint_t)event->passkey.params.numcmp);
#if MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
mp_bluetooth_gap_on_passkey_action(event->passkey.conn_handle, event->passkey.params.action, event->passkey.params.numcmp);
#endif
return 0;
}
default:
DEBUG_printf("gap_event_cb: unknown type %d\n", event->type);
break;
@@ -886,6 +896,33 @@ int mp_bluetooth_gap_pair(uint16_t conn_handle) {
DEBUG_printf("mp_bluetooth_gap_pair: conn_handle=%d\n", conn_handle);
return ble_hs_err_to_errno(ble_gap_security_initiate(conn_handle));
}
int mp_bluetooth_gap_passkey(uint16_t conn_handle, uint8_t action, mp_int_t passkey) {
struct ble_sm_io io = {0};
switch (action) {
case MP_BLUETOOTH_PASSKEY_ACTION_INPUT: {
io.passkey = passkey;
break;
}
case MP_BLUETOOTH_PASSKEY_ACTION_DISPLAY: {
io.passkey = passkey;
break;
}
case MP_BLUETOOTH_PASSKEY_ACTION_NUMERIC_COMPARISON: {
io.numcmp_accept = passkey != 0;
break;
}
default: {
return MP_EINVAL;
}
}
io.action = action;
DEBUG_printf("mp_bluetooth_gap_passkey: injecting IO: conn_handle=%d, action=%d, passkey=" UINT_FMT ", numcmp_accept=%d\n", conn_handle, io.action, (mp_uint_t)io.passkey, io.numcmp_accept);
return ble_hs_err_to_errno(ble_sm_inject_io(conn_handle, &io));
}
#endif // MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
#if MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE