Merge "Method to exchange OOB data" into main (37173bd6) · Commits · e / os / android_packages_modules_Bluetooth

framework/tests/bumble/src/android/bluetooth/PandoraDevice.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@ import pandora.HostGrpc;
		import pandora.HostProto;
		import pandora.HostProto.AdvertiseRequest;
		import pandora.HostProto.OwnAddressType;
		import pandora.OOBGrpc;
		import pandora.RFCOMMGrpc;
		import pandora.SecurityGrpc;
		import pandora.l2cap.L2CAPGrpc;
		@@ -198,6 +199,11 @@ public final class PandoraDevice extends ExternalResource {
		return SecurityGrpc.newStub(mChannel);
		}

		/** Get Pandora OOB blocking service */
		public OOBGrpc.OOBBlockingStub oobBlocking() {
		return OOBGrpc.newBlockingStub(mChannel);
		}

		/** Get Pandora GATT service */
		public GATTGrpc.GATTStub gatt() {
		return GATTGrpc.newStub(mChannel);

framework/tests/bumble/src/bumble_server.py

+4 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@ from bumble_experimental.gatt import GATTService
		from bumble_experimental.rfcomm import RFCOMMService
		from bumble_experimental.avrcp import AvrcpService
		from bumble_experimental.hid import HIDService
		from bumble_experimental.oob import OOBService

		from pandora_experimental.asha_grpc_aio import add_AshaServicer_to_server
		from pandora_experimental.dck_grpc_aio import add_DckServicer_to_server
		@@ -33,6 +34,7 @@ from pandora_experimental.gatt_grpc_aio import add_GATTServicer_to_server
		from pandora_experimental.rfcomm_grpc_aio import add_RFCOMMServicer_to_server
		from pandora_experimental.avrcp_grpc_aio import add_AVRCPServicer_to_server
		from pandora_experimental.hid_grpc_aio import add_HIDServicer_to_server
		from pandora_experimental.oob_grpc_aio import add_OOBServicer_to_server

		from typing import Any, Dict

		@@ -85,6 +87,8 @@ def register_experimental_services() -> None:
		lambda bumble, _, server: add_RFCOMMServicer_to_server(RFCOMMService(bumble.device), server))
		bumble_server.register_servicer_hook(
		lambda bumble, _, server: add_HIDServicer_to_server(HIDService(bumble.device), server))
		bumble_server.register_servicer_hook(
		lambda bumble, _, server: add_OOBServicer_to_server(OOBService(bumble.device), server))


		def retrieve_config(config: str) -> Dict[str, Any]:

pandora/interfaces/pandora_experimental/oob.proto

0 → 100644

+24 −0

Original line number	Diff line number	Diff line
		syntax = "proto3";

		package pandora;

		option java_outer_classname = "OobProto";


		service OOB {
		// Share OOB data
		rpc ShareOobData(OobDataRequest) returns (OobDataResponse);
		}

		// Local Device OOB data.
		message OobDataRequest {
		// OOB data Pairing Hash and Randomizer - 32 bytes.
		bytes oob = 1;
		}

		// Remote Device OOB data.
		message OobDataResponse {
		// OOB data Pairing Hash and Randomizer - 32 bytes.
		bytes oob = 1;
		}

pandora/interfaces/python/Android.bp

+5 −0

Original line number	Diff line number	Diff line
		@@ -66,6 +66,10 @@ genrule {
		"pandora_experimental/mediaplayer_grpc_aio.py",
		"pandora_experimental/mediaplayer_pb2.py",
		"pandora_experimental/mediaplayer_pb2.pyi",
		"pandora_experimental/oob_grpc.py",
		"pandora_experimental/oob_grpc_aio.py",
		"pandora_experimental/oob_pb2.py",
		"pandora_experimental/oob_pb2.pyi",
		"pandora_experimental/opp_grpc.py",
		"pandora_experimental/opp_grpc_aio.py",
		"pandora_experimental/opp_pb2.py",
		@@ -113,6 +117,7 @@ filegroup {
		":pandora_experimental-python-gen-src{pandora_experimental/le_audio_pb2.pyi}",
		":pandora_experimental-python-gen-src{pandora_experimental/map_pb2.pyi}",
		":pandora_experimental-python-gen-src{pandora_experimental/mediaplayer_pb2.pyi}",
		":pandora_experimental-python-gen-src{pandora_experimental/oob_pb2.pyi}",
		":pandora_experimental-python-gen-src{pandora_experimental/opp_pb2.pyi}",
		":pandora_experimental-python-gen-src{pandora_experimental/os_pb2.pyi}",
		":pandora_experimental-python-gen-src{pandora_experimental/pan_pb2.pyi}",

pandora/server/bumble_experimental/oob.py

0 → 100644

+53 −0

Original line number	Diff line number	Diff line
		from __future__ import annotations
		import grpc
		import grpc.aio
		import logging

		from pandora_experimental.oob_grpc_aio import OOBServicer
		from pandora_experimental.oob_pb2 import (
		OobDataRequest,
		OobDataResponse,
		)

		from bumble.smp import OobContext, OobSharedData
		from bumble.pairing import PairingConfig, PairingDelegate
		from bumble.device import Device
		from bumble.pandora import utils


		# This class implements the Hid Pandora interface.
		class OOBService(OOBServicer):

		def __init__(self, device: Device) -> None:
		super().__init__()
		self.log = utils.BumbleServerLoggerAdapter(logging.getLogger(), {'service_name': 'oob', 'device': device})
		self.device = device

		def configure_oob_pairing(self, peer_oob: OobSharedData) -> str:
		our_oob_context = OobContext()
		share_oob = our_oob_context.share().__str__()
		self.log.debug(f"Local oob data: {share_oob}")
		oob_contexts = PairingConfig.OobConfig(our_context=our_oob_context, peer_data=peer_oob, legacy_context=None)
		self.device.pairing_config_factory = lambda connection: PairingConfig(
		sc=True,
		mitm=True,
		bonding=True,
		oob=oob_contexts,
		)

		return share_oob

		@utils.rpc
		async def ShareOobData(self, request: OobDataRequest, context: grpc.ServicerContext) -> OobDataResponse:

		if request.oob:
		data = str(bytes(request.oob).hex())
		oob_c, oob_r = data[:len(data) // 2], data[len(data) // 2:]
		peer_oob = OobSharedData(c=bytearray.fromhex(oob_c), r=bytearray.fromhex(oob_r))
		self.log.debug(f'peer oob data {peer_oob}')
		else:
		peer_oob = None
		share_oob = self.configure_oob_pairing(peer_oob)
		# Extract data from string `OOB(C=XXXXXXXXXXXXXXXX, R=YYYYYYYYYYYYYYYY)`
		extracted_oob = share_oob.strip("OOB()C=").replace(", R=", "")
		return OobDataResponse(oob=bytes(bytearray.fromhex(extracted_oob)))