def check_isotp_socket_possible(): try: Vars.SOCKET_IMPOSSIBLE_REASON = '' import isotp import can s = isotp.socket() s.bind(get_test_interface_config("channel"), rxid=1, txid=2) s.close() try: s = isotp.socket() s.set_ll_opts(mtu=isotp.tpsock.LinkLayerProtocol.CAN_FD) s.bind(get_test_interface_config("channel"), rxid=1, txid=2) s.close() Vars.CAN_FD_POSSIBLE = True except: Vars.CAN_FD_POSSIBLE = False Vars.CAN_FD_IMPOSSIBLE_REASON = 'Interface %s does not support MTU of %d.' % ( get_test_interface_config("channel"), isotp.tpsock.LinkLayerProtocol.CAN_FD) Vars.ISOTP_SOCKET_POSSIBLE = True except Exception as e: Vars.SOCKET_IMPOSSIBLE_REASON = str(e) Vars.ISOTP_SOCKET_POSSIBLE = False Vars.ISOTP_STATUS_CHECKED = True return Vars.ISOTP_SOCKET_POSSIBLE
def __init__(self, interface, rxid, txid, name=None, tpsock=None, *args, **kwargs): BaseConnection.__init__(self, name) self.interface = interface self.rxid = rxid self.txid = txid self.rxqueue = queue.Queue() self.exit_requested = False self.opened = False self.tpsock_bind_args = args self.tpsock_bind_kwargs = kwargs if tpsock is None: if 'isotp' not in sys.modules: if _import_isotp_err is None: raise ImportError('isotp module is not loaded') else: raise _import_isotp_err self.tpsock = isotp.socket(timeout=0.1) else: self.tpsock = tpsock
def bind(self): if (not test_mode): self.socket = isotp.socket() self.socket.set_opts(0x480, frame_txtime=0) # 0x400 NOFLOW_MODE, 0x80 FORCESTMIN self.socket.bind("can0", isotp.Address(isotp.AddressingMode.Normal_29bits, rxid=self.rxid, txid=self.txid)) return True
def _isotp_flush_obj(self): ''' 刷新CAN对象,更新CAN对象参数 ''' self.isotp_sock_can_bus.close() self.isotp_sock_can_bus = isotp.socket() self.isotp_sock_can_bus.set_fc_opts(stmin=5, bs=10) self.isotp_sock_can_bus.bind(self.channel, rxid=self.isotp_rxid, txid=self.isotp_txid)
def make_socket(self, tx_data_length=8, can_fd=False, *args, **kwargs): mtu = isotp.tpsock.LinkLayerProtocol.CAN_FD if can_fd else isotp.tpsock.LinkLayerProtocol.CAN if mtu == isotp.tpsock.LinkLayerProtocol.CAN: assert tx_data_length == 8, "CAN bus only supports 8-bytes payloads" s = isotp.socket(*args, **kwargs) s.set_ll_opts(mtu=mtu, tx_dl=tx_data_length) self.socket_list.append(s) return s
def _get_socket(self): import isotp address = isotp.Address(0, rxid=self.response_id, txid=self.physical_id) isotp_socket = isotp.socket(timeout=self.can_scan_timeout) isotp_socket.set_opts(txpad=self.padding_byte, rxpad=self.padding_byte) isotp_socket.bind(self.socketcan_interface, address) return isotp_socket
def __init__(self, interface, rxid, txid, name=None, tpsock=None): import isotp BaseConnection.__init__(self, name) self.interface = interface self.rxid = rxid self.txid = txid self.rxqueue = queue.Queue() self.exit_requested = False self.opened = False self.rxthread = threading.Thread(target=self.rxthread_task) self.tpsock = isotp.socket(timeout=0.1) if tpsock is None else tpsock
def check_isotp_socket_possible(): try: Vars.SOCKET_IMPOSSIBLE_REASON = '' import isotp import can s = isotp.socket() s.bind(Vars.interface_name, rxid=1, txid=2) s.close() Vars.ISOTP_SOCKET_POSSIBLE = True except Exception as e: Vars.SOCKET_IMPOSSIBLE_REASON = str(e) Vars.ISOTP_SOCKET_POSSIBLE = False return Vars.ISOTP_SOCKET_POSSIBLE
def __init__(self): ''' 参数初始化 ''' self.rsp_data = None self.baudrate = 500000 self.channel = 'can1' #self.timeout = 0.01 self.shd_recv_data = '' self.isotp_txid = 0x720 self.isotp_rxid = 0x728 self.isotp_sock_can_bus = isotp.socket() self.isotp_sock_can_bus.set_fc_opts(stmin=5, bs=10) self.isotp_sock_can_bus.bind(self.channel, rxid=self.isotp_rxid, txid=self.isotp_txid)
#!/usr/bin/python3 import time import isotp import udsoncan from udsoncan.connections import IsoTPSocketConnection from udsoncan.client import Client from udsoncan.exceptions import * from udsoncan.services import * from udsoncan import Request, Response import random, datetime #udsoncan.setup_logging() isotp_socket = isotp.socket() isotp_socket.set_opts(txpad=8, rxpad=8) class CrackSecurityAccess(): client = None ACCESS_LEVEL = 1 def __init__(self, client=None, timeout=1): if conn: self.client = client self.timeout = timeout def start(self): if self.client is None:
from test.UdsTest import UdsTest from udsoncan.connections import * from test.stub import StubbedIsoTPSocket import socket import threading import time import unittest try: _STACK_UNVAILABLE_REASON = '' _interface_name = 'vcan0' import isotp import can s = isotp.socket() s.bind(_interface_name,1,2) s.close() _STACK_POSSIBLE = True except Exception as e: _STACK_UNVAILABLE_REASON = str(e) _STACK_POSSIBLE = False class TestIsoTPSocketConnection(UdsTest): def setUp(self): self.tpsock1 = StubbedIsoTPSocket(timeout=0.1) self.tpsock2 = StubbedIsoTPSocket(timeout=0.1) def test_open(self): conn = IsoTPSocketConnection(interface='vcan0', rxid=0x001, txid=0x002, tpsock=self.tpsock1, name='unittest') self.assertFalse(conn.is_open()) conn.open()
def scan_for_services(diagnostic_tx_arb_id, diagnostic_rx_arb_id, start_service_id, end_service_id, can_socket='can0', skip_response_only_service_ids=True, add_extra_payload_byte=True, payload_extra_byte=b'\x00'): # print("Starting Services Scan on {:03X}<==>{:03X} ...".format(diagnostic_tx_arb_id, diagnostic_rx_arb_id)) tx_id, rx_id = [diagnostic_tx_arb_id, diagnostic_rx_arb_id] isotp_socket = isotp.socket(0.1) isotp_socket.set_opts(txpad=0x00, rxpad=0x00) address = isotp.Address(0, rxid=rx_id, txid=tx_id) isotp_socket.bind(can_socket, address) end_service_id = end_service_id & 0xFF start_service_id = start_service_id & 0xFF if end_service_id > start_service_id: increment_direction = 1 else: increment_direction = -1 non_supported_services_set = set([]) supported_services_set = set([]) for service_id in range(start_service_id, end_service_id, increment_direction): if skip_response_only_service_ids and (0x3E < service_id < 0x4F or 0x7E < service_id < 0x83 or 0xBE < service_id < 0xFF): continue else: payload = service_id if payload >= 0x10: l_payload = (len(hex(payload)) - 2) >> 1 else: l_payload = 1 b_payload = payload.to_bytes(l_payload, 'big') isotp_socket.send(b_payload + ( payload_extra_byte if add_extra_payload_byte else b'')) while True: recv = isotp_socket.recv() if recv is not None: response_service_id = recv[0] if (response_service_id == 0x7F and recv[2] == 0x7F) or ( response_service_id == 0x7F and recv[2] == 0x80): isotp_socket.send(b'\x10\x03') supported_services_set.add(service_id) elif response_service_id == service_id + 0x40 or ( response_service_id == 0x7F and recv[2] != 0x11): supported_services_set.add(service_id) else: non_supported_services_set.add(service_id) else: break return supported_services_set
"can_mask": 0x7ff, "extended": False }, ]) ################################################################ ################################################################ #initialize CAN ISOTP ################################################################ #CAN ISOTP is a higher level protocol used to transfer larger amounts of data than the base CAN allows #this creates its own separate socket to the CAN bus on the same single wire can interface from the #other standard can messaging that occurs in this script SWCAN_ISOTP = isotp.socket() #default recv timeout is 0.1 seconds #SWCAN_ISOTP.set_fc_opts(stmin=5, bs=10) #see https://can-isotp.readthedocs.io/en/latest/isotp/socket.html#socket.set_fc_opts SWCAN_ISOTP.set_fc_opts(stmin=25, bs=10) SWCAN_ISOTP.bind( SWCANname, isotp.Address(rxid=1996, txid=1997) ) #note: rxid of wall is txid of car, and txid of wall is rxid of the car ################################################################ ################################################################ GUI.start() #starts .run() (and maybe some other stuff?) ################################################################ TWCManager.MainThread.start()
import isotp from Crypto.Cipher import DES3 s = isotp.socket(timeout=10) s2 = isotp.socket(timeout=10) # Configuring the sockets. s.set_fc_opts(stmin=5, bs=10) #s.set_general_opts(...) #s.set_ll_opts(...) key = "sixteen byte key" print("The Triple DES key value :", key) cipher = DES3.new(key, DES3.MODE_ECB) try: while True: s.bind("can1", isotp.Address(rxid=0x123, txid=0x45)) s2.bind("can1", isotp.Address(rxid=0x45, txid=0x123)) #print(s.recv()) decrypted = cipher.decrypt(s.recv()) print(decrypted) except KeyboardInterrupt: print('\n\rKeyboard interrtupt')
def find_services( self, skip_response_only_service_ids=False, scan_only_known_uds_services=True, payload_extra_byte=b'\x00', add_extra_payload_byte=False, ): list_of_known_uds_services = [ 0x10, 0x11, 0x27, 0x28, 0x3E, 0x83, 0x84, 0x85, 0x86, 0x87, 0x22, 0x23, 0x24, 0x2A, 0x2C, 0x2E, 0x3D, 0x14, 0x19, 0x2F, 0x34, 0x35, 0x36, 0x37 ] if self._diagnostic_services_scan_complete: return self.diagnostic_services import isotp import time isotp_socket = isotp.socket() isotp_socket.set_opts(txpad=0x00, rxpad=0x00) address = isotp.Address(0, rxid=self.response_id, txid=self.physical_request_id) isotp_socket.bind(self.socket_can_interface, address) if not (0 <= self.start_service_id <= 0xFF): self.start_service_id = 0 if not (0 <= self.end_service_id <= 0xFF): self.end_service_id = 0xFF self.end_service_id = self.end_service_id & 0xFF self.start_service_id = self.start_service_id & 0xFF if self.end_service_id > self.start_service_id: increment_direction = 1 else: increment_direction = -1 for service_id in range(self.start_service_id, self.end_service_id, increment_direction): if skip_response_only_service_ids and ( 0x3E < service_id < 0x4F or 0x7E < service_id < 0x83 or 0xBE < service_id < 0xFF): continue if scan_only_known_uds_services and not ( service_id in list_of_known_uds_services): continue payload = service_id # fix to correct for the payload length if payload >= 0x10: payload_length = (len(hex(payload)) - 2) >> 1 else: payload_length = 1 payload_bytes = payload.to_bytes(payload_length, 'big') if add_extra_payload_byte: payload_bytes += b'\x00' # Some services only work with Extra Data isotp_socket.send(payload_bytes + payload_extra_byte) recv = isotp_socket.recv() current_time = time.time() while recv is None: loop_time = time.time() recv = isotp_socket.recv() if current_time + self.can_scan_timeout < loop_time: break if recv is not None: response_service_id = recv[0] if response_service_id == 0x7F: nrc = recv[2] '''if nrc == 0x7F or nrc == 0x80: isotp_socket.send(b'\x10' + self.enhanced_mode_session_byte) recv = isotp_socket.recv() time.sleep(0.1) isotp_socket.send(b_payload + (payload_extra_byte if add_extra_payload_byte else b'')) continue''' if nrc == 0x11: self.unsupported_service.add(service_id) else: self.supported_services.add(service_id) else: self.supported_services.add(service_id) self.diagnostic_services = self.supported_services self._diagnostic_services_scan_complete = True return self.supported_services
import isotp s = isotp.socket() s2 = isotp.socket() s.set_fc_opts(stmin=5, bs=10) text = b'The module allows to send big chunks of data by establishing a point to point connection and sending large chunk data' s.bind("can0", isotp.Address(rxid=0x789, txid=0x56)) s2.bind("can0", isotp.Address(rxid=0x56, txid=0x789)) s2.send(text) print("The message transmitted using CAN-ISOTP module is :", s.recv())
def create_isotp_socket(receiver_address, target_address): socket = isotp.socket() socket.bind(CAN_INTERFACE, isotp.Address(rxid=receiver_address, txid=target_address)) return socket
def create_socket(rxid, txid): socket = isotp.socket() socket.set_opts(socket.flags.LISTEN_MODE) socket.bind(CAN_INTERFACE, isotp.Address(rxid=rxid, txid=txid)) return socket
def make_socket(self, *args, **kwargs): s = isotp.socket(*args, **kwargs) self.socket_list.append(s) return s
from udsoncan.connections import IsoTPSocketConnection from udsoncan.client import Client from udsoncan.exceptions import * from udsoncan.services import * from udsoncan import Request, Response import random, datetime #udsoncan.setup_logging() aqua_patch.PatchMessageFormat() if __name__ == '__main__': isotp_socket = isotp.socket() isotp_socket.set_opts(txpad=CarConfig.TXPADSIZE, rxpad=CarConfig.RXPADSIZE) conn = IsoTPSocketConnection('can0', rxid=CarConfig.RXID, txid=CarConfig.TXID, tpsock=isotp_socket) with Client(conn, request_timeout=2, config=CarConfig.car_client_config) as client: try: client.change_session(DiagnosticSessionControl.Session.defaultSession) client.unlock_security_access(CarConfig.SECURITY_LEVEL) # suppress error for i in range(0,3): conn.send(b'\x0a\x27') time.sleep(0.5) client.change_session(DiagnosticSessionControl.Session.programmingSession)
import isotp import time import os import codecs print('\n\rCAN ISO-TP test') print('Bring up CAN1....') #os.system("sudo /sbin/ip link set can1 up type can bitrate 500000") time.sleep(0.1) s = isotp.socket() s2 = isotp.socket() s.set_fc_opts(stmin=5, bs=10) s3 = isotp.socket() s4 = isotp.socket() s3.set_fc_opts(stmin=5, bs=10) s5 = isotp.socket() s6 = isotp.socket() s6.set_fc_opts(stmin=5, bs=10) print('Ready') #time1 = [] count = 0 try: while True: count += 1 s.bind("can1", isotp.Address(rxid=0x123, txid=0x45)) s2.bind("can1", isotp.Address(rxid=0x45, txid=0x123)) if s.recv() == b'start':