classic: complete authentication when being the .authenticate acceptor

bumble/device.py

@@ -415,6 +415,7 @@ class Connection(CompositeEventEmitter):
         self.authenticated           = False
         self.sc                      = False
         self.link_key_type           = None
+        self.authenticating          = False
         self.phy                     = phy
         self.att_mtu                 = ATT_DEFAULT_MTU
         self.data_length             = DEVICE_DEFAULT_DATA_LENGTH
@@ -1722,9 +1723,13 @@ class Device(CompositeEventEmitter):
                 logger.warn(f'HCI_Authentication_Requested_Command failed: {HCI_Constant.error_name(result.status)}')
                 raise HCI_StatusError(result)
 
+            # Save in connection we are trying to authenticate
+            connection.authenticating = True
+
             # Wait for the authentication to complete
             await pending_authentication
         finally:
+            connection.authenticating = False
             connection.remove_listener('connection_authentication', on_authentication)
             connection.remove_listener('connection_authentication_failure',  on_authentication_failure)
 
@@ -2062,6 +2067,17 @@ class Device(CompositeEventEmitter):
         logger.debug(f'*** Connection Authentication Failure: [0x{connection.handle:04X}] {connection.peer_address} as {connection.role_name}, error={error}')
         connection.emit('connection_authentication_failure', error)
 
+    @host_event_handler
+    @with_connection_from_address
+    def on_ssp_complete(self, connection):
+        # On Secure Simple Pairing complete, in case:
+        # - Connection isn't already authenticated
+        # - AND We are not the initiator of the authentication
+        # We must trigger authentication to known if we are truly authenticated
+        if not connection.authenticating and not connection.authenticated:
+            logger.debug(f'*** Trigger Connection Authentication: [0x{connection.handle:04X}] {connection.peer_address}')
+            asyncio.create_task(connection.authenticate())
+
     # [Classic only]
     @host_event_handler
     @with_connection_from_address

bumble/host.py

@@ -595,6 +595,9 @@ class Host(EventEmitter):
 
     def on_hci_simple_pairing_complete_event(self, event):
         logger.debug(f'simple pairing complete for {event.bd_addr}: status={HCI_Constant.status_name(event.status)}')
+        # Notify the client
+        if event.status == HCI_SUCCESS:
+            self.emit('ssp_complete', event.bd_addr)
 
     def on_hci_pin_code_request_event(self, event):
         # For now, just refuse all requests