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Add on_pin_code_request to support legacy BT classic pairing

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Hui Peng
2023-03-22 00:38:53 -07:00
parent 41d1772cb5
commit afe8765508
1 changed files with 47 additions and 0 deletions
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47
bumble/device.py
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@@ -94,6 +94,8 @@ from .hci import (
HCI_LE_Set_Scan_Enable_Command,
HCI_LE_Set_Scan_Parameters_Command,
HCI_LE_Set_Scan_Response_Data_Command,
HCI_PIN_Code_Request_Reply_Command,
HCI_PIN_Code_Request_Negative_Reply_Command,
HCI_Read_BD_ADDR_Command,
HCI_Read_RSSI_Command,
HCI_Reject_Connection_Request_Command,
@@ -2765,6 +2767,51 @@ class Device(CompositeEventEmitter):
)
)
# [Classic only]
@host_event_handler
@with_connection_from_address
def on_pin_code_request(self, connection):
# classic legacy pairing
# Ask what the pairing config should be for this connection
pairing_config = self.pairing_config_factory(connection)
can_input = pairing_config.delegate.io_capability in (
smp.SMP_KEYBOARD_ONLY_IO_CAPABILITY,
smp.SMP_KEYBOARD_DISPLAY_IO_CAPABILITY,
)
# respond the pin code
if can_input:
async def get_pin_code():
pin_code = await connection.abort_on(
'disconnection', pairing_config.delegate.get_number()
)
if pin_code is not None:
pin_code = bytes(str(pin_code).zfill(6))
await self.host.send_command(
HCI_PIN_Code_Request_Reply_Command(
bd_addr=connection.peer_address,
pin_code_length=len(pin_code),
pin_code=pin_code,
)
)
else:
await self.host.send_command(
HCI_PIN_Code_Request_Negative_Reply_Command(
bd_addr=connection.peer_address
)
)
asyncio.create_task(get_pin_code())
else:
self.host.send_command_sync(
HCI_PIN_Code_Request_Negative_Reply_Command(
bd_addr=connection.peer_address
)
)
# [Classic only]
@host_event_handler
@with_connection_from_address