You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
5.0 KiB
119 lines
5.0 KiB
#!/usr/bin/env python3
|
|
import capnp
|
|
import copy
|
|
from dataclasses import dataclass, field
|
|
import struct
|
|
from collections.abc import Callable
|
|
|
|
import panda.python.uds as uds
|
|
|
|
AddrType = tuple[int, int | None]
|
|
EcuAddrBusType = tuple[int, int | None, int]
|
|
EcuAddrSubAddr = tuple[int, int, int | None]
|
|
|
|
LiveFwVersions = dict[AddrType, set[bytes]]
|
|
OfflineFwVersions = dict[str, dict[EcuAddrSubAddr, list[bytes]]]
|
|
|
|
# A global list of addresses we will only ever consider for VIN responses
|
|
# engine, hybrid controller, Ford abs, Hyundai CAN FD cluster, 29-bit engine, PGM-FI
|
|
# TODO: move these to each brand's FW query config
|
|
STANDARD_VIN_ADDRS = [0x7e0, 0x7e2, 0x760, 0x7c6, 0x18da10f1, 0x18da0ef1]
|
|
|
|
|
|
def p16(val):
|
|
return struct.pack("!H", val)
|
|
|
|
|
|
class StdQueries:
|
|
# FW queries
|
|
TESTER_PRESENT_REQUEST = bytes([uds.SERVICE_TYPE.TESTER_PRESENT, 0x0])
|
|
TESTER_PRESENT_RESPONSE = bytes([uds.SERVICE_TYPE.TESTER_PRESENT + 0x40, 0x0])
|
|
|
|
SHORT_TESTER_PRESENT_REQUEST = bytes([uds.SERVICE_TYPE.TESTER_PRESENT])
|
|
SHORT_TESTER_PRESENT_RESPONSE = bytes([uds.SERVICE_TYPE.TESTER_PRESENT + 0x40])
|
|
|
|
DEFAULT_DIAGNOSTIC_REQUEST = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL,
|
|
uds.SESSION_TYPE.DEFAULT])
|
|
DEFAULT_DIAGNOSTIC_RESPONSE = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL + 0x40,
|
|
uds.SESSION_TYPE.DEFAULT, 0x0, 0x32, 0x1, 0xf4])
|
|
|
|
EXTENDED_DIAGNOSTIC_REQUEST = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL,
|
|
uds.SESSION_TYPE.EXTENDED_DIAGNOSTIC])
|
|
EXTENDED_DIAGNOSTIC_RESPONSE = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL + 0x40,
|
|
uds.SESSION_TYPE.EXTENDED_DIAGNOSTIC, 0x0, 0x32, 0x1, 0xf4])
|
|
|
|
MANUFACTURER_SOFTWARE_VERSION_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + \
|
|
p16(uds.DATA_IDENTIFIER_TYPE.VEHICLE_MANUFACTURER_ECU_SOFTWARE_NUMBER)
|
|
MANUFACTURER_SOFTWARE_VERSION_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + \
|
|
p16(uds.DATA_IDENTIFIER_TYPE.VEHICLE_MANUFACTURER_ECU_SOFTWARE_NUMBER)
|
|
|
|
SUPPLIER_SOFTWARE_VERSION_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + \
|
|
p16(uds.DATA_IDENTIFIER_TYPE.SYSTEM_SUPPLIER_ECU_SOFTWARE_VERSION_NUMBER)
|
|
SUPPLIER_SOFTWARE_VERSION_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + \
|
|
p16(uds.DATA_IDENTIFIER_TYPE.SYSTEM_SUPPLIER_ECU_SOFTWARE_VERSION_NUMBER)
|
|
|
|
UDS_VERSION_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + \
|
|
p16(uds.DATA_IDENTIFIER_TYPE.APPLICATION_SOFTWARE_IDENTIFICATION)
|
|
UDS_VERSION_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + \
|
|
p16(uds.DATA_IDENTIFIER_TYPE.APPLICATION_SOFTWARE_IDENTIFICATION)
|
|
|
|
OBD_VERSION_REQUEST = b'\x09\x04'
|
|
OBD_VERSION_RESPONSE = b'\x49\x04'
|
|
|
|
# VIN queries
|
|
OBD_VIN_REQUEST = b'\x09\x02'
|
|
OBD_VIN_RESPONSE = b'\x49\x02\x01'
|
|
|
|
UDS_VIN_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + p16(uds.DATA_IDENTIFIER_TYPE.VIN)
|
|
UDS_VIN_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + p16(uds.DATA_IDENTIFIER_TYPE.VIN)
|
|
|
|
GM_VIN_REQUEST = b'\x1a\x90'
|
|
GM_VIN_RESPONSE = b'\x5a\x90'
|
|
|
|
KWP_VIN_REQUEST = b'\x21\x81'
|
|
KWP_VIN_RESPONSE = b'\x61\x81'
|
|
|
|
|
|
@dataclass
|
|
class Request:
|
|
request: list[bytes]
|
|
response: list[bytes]
|
|
whitelist_ecus: list[int] = field(default_factory=list)
|
|
rx_offset: int = 0x8
|
|
bus: int = 1
|
|
# Whether this query should be run on the first auxiliary panda (CAN FD cars for example)
|
|
auxiliary: bool = False
|
|
# FW responses from these queries will not be used for fingerprinting
|
|
logging: bool = False
|
|
# boardd toggles OBD multiplexing on/off as needed
|
|
obd_multiplexing: bool = True
|
|
|
|
|
|
@dataclass
|
|
class FwQueryConfig:
|
|
requests: list[Request]
|
|
# TODO: make this automatic and remove hardcoded lists, or do fingerprinting with ecus
|
|
# Overrides and removes from essential ecus for specific models and ecus (exact matching)
|
|
non_essential_ecus: dict[capnp.lib.capnp._EnumModule, list[str]] = field(default_factory=dict)
|
|
# Ecus added for data collection, not to be fingerprinted on
|
|
extra_ecus: list[tuple[capnp.lib.capnp._EnumModule, int, int | None]] = field(default_factory=list)
|
|
# Function a brand can implement to provide better fuzzy matching. Takes in FW versions and VIN,
|
|
# returns set of candidates. Only will match if one candidate is returned
|
|
match_fw_to_car_fuzzy: Callable[[LiveFwVersions, str, OfflineFwVersions], set[str]] | None = None
|
|
|
|
def __post_init__(self):
|
|
for i in range(len(self.requests)):
|
|
if self.requests[i].auxiliary:
|
|
new_request = copy.deepcopy(self.requests[i])
|
|
new_request.bus += 4
|
|
self.requests.append(new_request)
|
|
|
|
def get_all_ecus(self, offline_fw_versions: OfflineFwVersions,
|
|
include_extra_ecus: bool = True) -> set[EcuAddrSubAddr]:
|
|
# Add ecus in database + extra ecus
|
|
brand_ecus = {ecu for ecus in offline_fw_versions.values() for ecu in ecus}
|
|
|
|
if include_extra_ecus:
|
|
brand_ecus |= set(self.extra_ecus)
|
|
|
|
return brand_ecus
|
|
|