Merge pull request #234 from zxzxwu/addr

Support address resolution offload
This commit is contained in:
Gilles Boccon-Gibod
2023-08-08 21:30:13 -07:00
committed by GitHub
3 changed files with 51 additions and 51 deletions
+32 -24
View File
@@ -86,6 +86,7 @@ from .hci import (
HCI_LE_Extended_Create_Connection_Command,
HCI_LE_Rand_Command,
HCI_LE_Read_PHY_Command,
HCI_LE_Set_Address_Resolution_Enable_Command,
HCI_LE_Set_Advertising_Data_Command,
HCI_LE_Set_Advertising_Enable_Command,
HCI_LE_Set_Advertising_Parameters_Command,
@@ -778,6 +779,7 @@ class DeviceConfiguration:
self.irk = bytes(16) # This really must be changed for any level of security
self.keystore = None
self.gatt_services: List[Dict[str, Any]] = []
self.address_resolution_offload = False
def load_from_dict(self, config: Dict[str, Any]) -> None:
# Load simple properties
@@ -1029,6 +1031,7 @@ class Device(CompositeEventEmitter):
self.discoverable = config.discoverable
self.connectable = config.connectable
self.classic_accept_any = config.classic_accept_any
self.address_resolution_offload = config.address_resolution_offload
for service in config.gatt_services:
characteristics = []
@@ -1256,31 +1259,16 @@ class Device(CompositeEventEmitter):
)
# Load the address resolving list
if self.keystore and self.host.supports_command(
HCI_LE_CLEAR_RESOLVING_LIST_COMMAND
):
await self.send_command(HCI_LE_Clear_Resolving_List_Command()) # type: ignore[call-arg]
if self.keystore:
await self.refresh_resolving_list()
resolving_keys = await self.keystore.get_resolving_keys()
for irk, address in resolving_keys:
await self.send_command(
HCI_LE_Add_Device_To_Resolving_List_Command(
peer_identity_address_type=address.address_type,
peer_identity_address=address,
peer_irk=irk,
local_irk=self.irk,
) # type: ignore[call-arg]
)
# Enable address resolution
# await self.send_command(
# HCI_LE_Set_Address_Resolution_Enable_Command(
# address_resolution_enable=1)
# )
# )
# Create a host-side address resolver
self.address_resolver = smp.AddressResolver(resolving_keys)
# Enable address resolution
if self.address_resolution_offload:
await self.send_command(
HCI_LE_Set_Address_Resolution_Enable_Command(
address_resolution_enable=1
) # type: ignore[call-arg]
)
if self.classic_enabled:
await self.send_command(
@@ -1310,6 +1298,26 @@ class Device(CompositeEventEmitter):
await self.host.flush()
self.powered_on = False
async def refresh_resolving_list(self) -> None:
assert self.keystore is not None
resolving_keys = await self.keystore.get_resolving_keys()
# Create a host-side address resolver
self.address_resolver = smp.AddressResolver(resolving_keys)
if self.address_resolution_offload:
await self.send_command(HCI_LE_Clear_Resolving_List_Command()) # type: ignore[call-arg]
for irk, address in resolving_keys:
await self.send_command(
HCI_LE_Add_Device_To_Resolving_List_Command(
peer_identity_address_type=address.address_type,
peer_identity_address=address,
peer_irk=irk,
local_irk=self.irk,
) # type: ignore[call-arg]
)
def supports_le_feature(self, feature):
return self.host.supports_le_feature(feature)
+4 -11
View File
@@ -1272,7 +1272,7 @@ class Session:
keys.link_key = PairingKeys.Key(
value=self.link_key, authenticated=authenticated
)
self.manager.on_pairing(self, peer_address, keys)
await self.manager.on_pairing(self, peer_address, keys)
def on_pairing_failure(self, reason: int) -> None:
logger.warning(f'pairing failure ({error_name(reason)})')
@@ -1827,20 +1827,13 @@ class Manager(EventEmitter):
def on_session_start(self, session: Session) -> None:
self.device.on_pairing_start(session.connection)
def on_pairing(
async def on_pairing(
self, session: Session, identity_address: Optional[Address], keys: PairingKeys
) -> None:
# Store the keys in the key store
if self.device.keystore and identity_address is not None:
async def store_keys():
try:
assert self.device.keystore
await self.device.keystore.update(str(identity_address), keys)
except Exception as error:
logger.warning(f'!!! error while storing keys: {error}')
self.device.abort_on('flush', store_keys())
await self.device.keystore.update(str(identity_address), keys)
await self.device.refresh_resolving_list()
# Notify the device
self.device.on_pairing(session.connection, identity_address, keys, session.sc)
+15 -16
View File
@@ -68,13 +68,16 @@ class TwoDevices:
),
]
self.paired = [None, None]
self.paired = [
asyncio.get_event_loop().create_future(),
asyncio.get_event_loop().create_future(),
]
def on_connection(self, which, connection):
self.connections[which] = connection
def on_paired(self, which, keys):
self.paired[which] = keys
def on_paired(self, which: int, keys: PairingKeys):
self.paired[which].set_result(keys)
# -----------------------------------------------------------------------------
@@ -323,8 +326,8 @@ async def _test_self_smp_with_configs(pairing_config1, pairing_config2):
# Pair
await two_devices.devices[0].pair(connection)
assert connection.is_encrypted
assert two_devices.paired[0] is not None
assert two_devices.paired[1] is not None
assert await two_devices.paired[0] is not None
assert await two_devices.paired[1] is not None
# -----------------------------------------------------------------------------
@@ -527,16 +530,12 @@ async def test_self_smp_over_classic():
two_devices.connections[0].encryption = 1
two_devices.connections[1].encryption = 1
paired = [
asyncio.get_event_loop().create_future(),
asyncio.get_event_loop().create_future(),
]
def on_pairing(which: int, keys: PairingKeys):
paired[which].set_result(keys)
two_devices.connections[0].on('pairing', lambda keys: on_pairing(0, keys))
two_devices.connections[1].on('pairing', lambda keys: on_pairing(1, keys))
two_devices.connections[0].on(
'pairing', lambda keys: two_devices.on_paired(0, keys)
)
two_devices.connections[1].on(
'pairing', lambda keys: two_devices.on_paired(1, keys)
)
# Mock SMP
with patch('bumble.smp.Session', spec=True) as MockSmpSession:
@@ -547,7 +546,7 @@ async def test_self_smp_over_classic():
# Start CTKD
await two_devices.connections[0].pair()
await asyncio.gather(*paired)
await asyncio.gather(*two_devices.paired)
# Phase 2 commands should not be invoked
MockSmpSession.send_pairing_confirm_command.assert_not_called()