| #!/usr/bin/env python3 |
| # |
| # Copyright 2020 - The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import bluetooth_packets_python3 as bt_packets |
| from bluetooth_packets_python3 import hci_packets |
| from bluetooth_packets_python3 import l2cap_packets |
| from bluetooth_packets_python3.l2cap_packets import CommandCode, LeCommandCode |
| from cert.capture import Capture |
| from cert.matchers import L2capMatchers |
| |
| |
| def ReadBdAddrCompleteCapture(): |
| return Capture(lambda packet: b'\x0e\x0a\x01\x09\x10' in packet.event, |
| lambda packet: hci_packets.ReadBdAddrCompleteView( |
| hci_packets.CommandCompleteView( |
| hci_packets.EventPacketView( |
| bt_packets.PacketViewLittleEndian( |
| list(packet.event)))))) |
| |
| |
| def ConnectionRequestCapture(): |
| return Capture(lambda packet: b'\x04\x0a' in packet.event, |
| lambda packet: hci_packets.ConnectionRequestView( |
| hci_packets.EventPacketView( |
| bt_packets.PacketViewLittleEndian( |
| list(packet.event))))) |
| |
| |
| def ConnectionCompleteCapture(): |
| return Capture(lambda packet: b'\x03\x0b\x00' in packet.event, |
| lambda packet: hci_packets.ConnectionCompleteView( |
| hci_packets.EventPacketView( |
| bt_packets.PacketViewLittleEndian( |
| list(packet.event))))) |
| |
| |
| def LeConnectionCompleteCapture(): |
| return Capture(lambda packet: packet.event[0] == 0x3e |
| and (packet.event[2] == 0x01 or packet.event[2] == 0x0a), |
| lambda packet: hci_packets.LeConnectionCompleteView( |
| hci_packets.LeMetaEventView( |
| hci_packets.EventPacketView( |
| bt_packets.PacketViewLittleEndian( |
| list(packet.event) |
| ) |
| )))) |
| |
| |
| class L2capCaptures(object): |
| |
| @staticmethod |
| def ConnectionResponse(scid): |
| return Capture( |
| L2capMatchers.ConnectionResponse(scid), |
| L2capCaptures._extract_connection_response) |
| |
| @staticmethod |
| def _extract_connection_response(packet): |
| frame = L2capMatchers.control_frame_with_code( |
| packet, CommandCode.CONNECTION_RESPONSE) |
| return l2cap_packets.ConnectionResponseView(frame) |
| |
| @staticmethod |
| def CreditBasedConnectionRequest(psm): |
| return Capture( |
| L2capMatchers.CreditBasedConnectionRequest(psm), |
| L2capCaptures._extract_credit_based_connection_request) |
| |
| @staticmethod |
| def _extract_credit_based_connection_request(packet): |
| frame = L2capMatchers.le_control_frame_with_code( |
| packet, LeCommandCode.LE_CREDIT_BASED_CONNECTION_REQUEST) |
| return l2cap_packets.LeCreditBasedConnectionRequestView(frame) |
| |
| @staticmethod |
| def CreditBasedConnectionResponse(scid): |
| return Capture( |
| L2capMatchers.CreditBasedConnectionResponse(scid), |
| L2capCaptures._extract_credit_based_connection_response) |
| |
| @staticmethod |
| def _extract_credit_based_connection_response(packet): |
| frame = L2capMatchers.le_control_frame_with_code( |
| packet, LeCommandCode.LE_CREDIT_BASED_CONNECTION_RESPONSE) |
| return l2cap_packets.LeCreditBasedConnectionResponseView(frame) |
