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initial commit todo: add documentation & wireshark dissector
2021-08-31 11:51:03 +00:00
% Regression tests for nativecansocket
~ python3_only vcan_socket
# More information at http://www.secdev.org/projects/UTscapy/
############
############
+ Configuration of CAN virtual sockets
= Load module
~ conf command needs_root linux
load_layer("can")
conf.contribs['CANSocket'] = {'use-python-can': False}
from scapy.contrib.cansocket_native import *
conf.contribs['CAN'] = {'swap-bytes': False}
= Setup string for vcan
~ conf command
bashCommand = "/bin/bash -c 'sudo modprobe vcan; sudo ip link add name vcan0 type vcan; sudo ip link set dev vcan0 up'"
= Load os
~ conf command needs_root linux
import os
import threading
from time import sleep
= Setup vcan0
~ conf command needs_root linux
0 == os.system(bashCommand)
+ Basic Packet Tests()
= CAN Packet init
~ needs_root linux
canframe = CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')
bytes(canframe) == b'\x00\x00\x07\xff\x08\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08'
+ Basic Socket Tests()
= CAN Socket Init
~ needs_root linux
sock1 = CANSocket(iface="vcan0")
= CAN Socket send recv small packet
~ needs_root linux
def sender():
sleep(0.1)
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x7ff,length=1,data=b'\x01'))
sock2.close()
thread = threading.Thread(target=sender)
thread.start()
rx = sock1.recv()
rx == CAN(identifier=0x7ff,length=1,data=b'\x01')
thread.join()
= CAN Socket send recv
~ needs_root linux
def sender():
sleep(0.1)
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
thread.start()
rx = sock1.recv()
rx == CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')
thread.join()
= CAN Socket basecls test
~ needs_root linux
def sender():
sleep(0.1)
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
sock1.basecls = Raw
thread = threading.Thread(target=sender)
thread.start()
rx = sock1.recv()
rx == Raw(bytes(CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')))
sock1.basecls = CAN
thread.join()
+ Advanced Socket Tests()
= CAN Socket sr1
~ needs_root linux
tx = CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')
= CAN Socket sr1 init time
~ needs_root linux
tx.sent_time == None
def sender():
sleep(0.1)
sock2 = CANSocket(iface="vcan0")
sock2.send(tx)
sock2.close()
thread = threading.Thread(target=sender)
thread.start()
rx = None
rx = sock1.sr1(tx)
rx == tx
sock1.close()
thread.join()
= CAN Socket sr1 time check
~ needs_root linux
tx.sent_time < rx.time and rx.time > 0
= srcan
~ needs_root linux
tx = CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')
= srcan check init time
~ needs_root linux
assert tx.sent_time == None
def sender():
sleep(0.1)
sock2 = CANSocket(iface="vcan0")
sock2.send(tx)
sock2.close()
thread = threading.Thread(target=sender)
thread.start()
rx = None
rx = srcan(tx, "vcan0", timeout=1)
rx = rx[0][0][1]
tx == rx
thread.join()
= srcan check init time basecls
~ needs_root linux
def sender():
sleep(0.1)
sock2 = CANSocket(iface="vcan0")
sock2.send(tx)
sock2.close()
thread = threading.Thread(target=sender)
thread.start()
rx = None
rx = srcan(tx, "vcan0", timeout=1, basecls=Raw)
rx = rx[0][0][1]
Raw(bytes(tx)) == rx
thread.join()
= srcan check rx and tx
~ needs_root linux
tx.sent_time > 0 and rx.time > 0 and tx.sent_time < rx.time
= sniff with filtermask 0x7ff
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x200, 'can_mask': 0x7ff}])
def sender():
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x300, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x300, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x100, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 3
sock1.close()
thread.join()
= sniff with filtermask 0x700
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x200, 'can_mask': 0x700}])
def sender():
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x212, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x300, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x2ff, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x1ff, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x2aa, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 4
sock1.close()
thread.join()
= sniff with filtermask 0x0ff
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x200, 'can_mask': 0x0ff}])
def sender():
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x301, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x300, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x1ff, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x700, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x100, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 4
sock1.close()
thread.join()
= sniff with multiple filters
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x200, 'can_mask': 0x7ff}, {'can_id': 0x400, 'can_mask': 0x7ff}, {'can_id': 0x600, 'can_mask': 0x7ff}, {'can_id': 0x7ff, 'can_mask': 0x7ff}])
def sender():
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x300, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x400, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x500, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x600, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x700, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x7ff, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 4
sock1.close()
thread.join()
= sniff with filtermask 0x7ff and inverse filter
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x200 | CAN_INV_FILTER, 'can_mask': 0x7ff}])
def sender():
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x300, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x100, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(identifier=0x200, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 2
sock1.close()
thread.join()
= sniff with filtermask 0x1FFFFFFF
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x10000000, 'can_mask': 0x1fffffff}])
def sender():
sock2 = CANSocket(iface="vcan0")
sock2.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(flags='extended', identifier=0x10020000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(flags='extended', identifier=0x10030000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(flags='extended', identifier=0x10040000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock2.close()
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 2
sock1.close()
thread.join()
= sniff with filtermask 0x1FFFFFFF and inverse filter
~ needs_root linux
sock1 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x10000000 | CAN_INV_FILTER, 'can_mask': 0x1fffffff}])
if six.PY3:
thread = threading.Thread(target=sender)
packets = sock1.sniff(timeout=0.2, started_callback=thread.start)
len(packets) == 4
sock1.close()
= CAN Socket sr1 with receive own messages
~ needs_root linux
sock1 = CANSocket(iface="vcan0", receive_own_messages=True)
tx = CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')
rx = None
rx = sock1.sr1(tx)
tx == rx
tx.sent_time < rx.time and tx == rx and rx.time > 0
sock1.close()
= srcan
~ needs_root linux
tx = CAN(identifier=0x7ff,length=8,data=b'\x01\x02\x03\x04\x05\x06\x07\x08')
rx = None
rx = srcan(tx, iface="vcan0", receive_own_messages=True, timeout=1)
tx == rx[0][0][1]
+ bridge and sniff tests
= bridge and sniff setup vcan1 package forwarding
~ needs_root linux
bashCommand = "/bin/bash -c 'sudo ip link add name vcan1 type vcan; sudo ip link set dev vcan1 up'"
0 == os.system(bashCommand)
sock0 = CANSocket(iface='vcan0')
sock1 = CANSocket(iface='vcan1')
def senderVCan0():
sock0.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10020000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10030000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10040000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
bridgeStarted = threading.Event()
def bridge():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface='vcan1')
def pnr(pkt):
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnr, xfrm21=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridge)
threadBridge.start()
threadSender = threading.Thread(target=senderVCan0)
bridgeStarted.wait()
packetsVCan1 = sock1.sniff(timeout=0.2, started_callback=threadSender.start)
len(packetsVCan1) == 6
threadSender.join()
threadBridge.join()
sock1.close()
sock0.close()
= bridge and sniff setup vcan0 package forwarding
~ needs_root linux
sock0 = CANSocket(iface='vcan0')
sock1 = CANSocket(iface='vcan1')
def senderVCan1():
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x80, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
bridgeStarted = threading.Event()
def bridge():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface='vcan1')
def pnr(pkt):
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnr, xfrm21=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridge)
threadBridge.start()
threadSender = threading.Thread(target=senderVCan1)
bridgeStarted.wait()
packetsVCan0 = sock0.sniff(timeout=0.2, started_callback=threadSender.start)
len(packetsVCan0) == 4
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan0 vcan1 package forwarding both directions
~ needs_root linux
sock0 = CANSocket(iface='vcan0')
sock1 = CANSocket(iface='vcan1')
def senderBothVCans():
sock0.send(CAN(flags='extended', identifier=0x25, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x20, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x25, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x25, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x20, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x30, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock1.send(CAN(flags='extended', identifier=0x40, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x40, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x80, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x40, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
bridgeStarted = threading.Event()
def bridge():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface='vcan1')
def pnr(pkt):
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnr, xfrm21=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridge)
threadBridge.start()
threadSender = threading.Thread(target=senderBothVCans)
bridgeStarted.wait()
packetsVCan0 = sock0.sniff(timeout=0.1, count=6, started_callback=threadSender.start)
packetsVCan1 = sock1.sniff(timeout=0.1)
len(packetsVCan0) == 4
len(packetsVCan1) == 6
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan1 package change
~ needs_root linux
sock0 = CANSocket(iface='vcan0')
sock1 = CANSocket(iface='vcan1', can_filters=[{'can_id': 0x10010000, 'can_mask': 0x1fffffff}])
def senderVCan0():
sleep(0.1)
sock0.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10020000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10030000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10040000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
bridgeStarted = threading.Event()
def bridgeWithPackageChangeVCan0ToVCan1():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface="vcan1")
def pnr(pkt):
pkt.data = b'\x08\x07\x06\x05\x04\x03\x02\x01'
pkt.identifier = 0x10010000
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridgeWithPackageChangeVCan0ToVCan1)
threadBridge.start()
threadSender = threading.Thread(target=senderVCan0)
bridgeStarted.wait()
packetsVCan1 = sock1.sniff(timeout=0.2, started_callback=threadSender.start)
len(packetsVCan1) == 6
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan0 package change
~ needs_root linux
sock0 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x10010000, 'can_mask': 0x1fffffff}])
sock1 = CANSocket(iface='vcan1')
def senderVCan1():
sleep(0.1)
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10050000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
bridgeStarted = threading.Event()
def bridgeWithPackageChangeVCan1ToVCan0():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface="vcan1")
def pnr(pkt):
pkt.data = b'\x08\x07\x06\x05\x04\x03\x02\x01'
pkt.identifier = 0x10010000
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm21=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridgeWithPackageChangeVCan1ToVCan0)
threadBridge.start()
threadSender = threading.Thread(target=senderVCan1)
bridgeStarted.wait()
packetsVCan0 = sock0.sniff(timeout=0.2, started_callback=threadSender.start)
len(packetsVCan0) == 4
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan0 and vcan1 package change in both directions
~ needs_root linux
sock0 = CANSocket(iface='vcan0', can_filters=[{'can_id': 0x10010000, 'can_mask': 0x1fffffff}])
sock1 = CANSocket(iface='vcan1', can_filters=[{'can_id': 0x10010000, 'can_mask': 0x1fffffff}])
def senderBothVCans():
sock0.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10020000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10030000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10040000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10050000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
bridgeStarted = threading.Event()
def bridgeWithPackageChangeBothDirections():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface="vcan1")
def pnr(pkt):
pkt.data = b'\x08\x07\x06\x05\x04\x03\x02\x01'
pkt.identifier = 0x10010000
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnr, xfrm21=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridgeWithPackageChangeBothDirections)
threadBridge.start()
threadSender = threading.Thread(target=senderBothVCans)
bridgeStarted.wait()
threadSender.start()
packetsVCan0 = sock0.sniff(timeout=0.1)
packetsVCan1 = sock1.sniff(timeout=0.1)
len(packetsVCan0) == 4
len(packetsVCan1) == 6
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan0 package remove
~ needs_root linux
sock0 = CANSocket(iface='vcan0')
sock1 = CANSocket(iface='vcan1')
def senderVCan0():
sock0.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10020000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10030000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10040000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
bridgeStarted = threading.Event()
def bridgeWithRemovePackageFromVCan0ToVCan1():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface="vcan1")
def pnr(pkt):
if(pkt.identifier == 0x10020000):
pkt = None
else:
pkt = pkt
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridgeWithRemovePackageFromVCan0ToVCan1)
threadBridge.start()
threadSender = threading.Thread(target=senderVCan0)
bridgeStarted.wait()
threadSender.start()
packetsVCan1 = sock1.sniff(timeout=0.2)
len(packetsVCan1) == 5
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan1 package remove
~ needs_root linux
sock0 = CANSocket(iface='vcan0')
sock1 = CANSocket(iface='vcan1')
def senderVCan1():
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10050000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
bridgeStarted = threading.Event()
def bridgeWithRemovePackageFromVCan1ToVCan0():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface="vcan1")
def pnr(pkt):
if(pkt.identifier == 0x10050000):
pkt = None
else:
pkt = pkt
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm21=pnr, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridgeWithRemovePackageFromVCan1ToVCan0)
threadBridge.start()
threadSender = threading.Thread(target=senderVCan1)
bridgeStarted.wait()
threadSender.start()
packetsVCan0 = sock0.sniff(timeout=0.2)
len(packetsVCan0) == 3
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
=bridge and sniff setup vcan0 and vcan1 package remove both directions
~ needs_root linux
sock0 = CANSocket(iface="vcan0")
sock1 = CANSocket(iface="vcan1")
def senderBothVCans():
sock0.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10020000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10030000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10040000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock0.send(CAN(flags='extended', identifier=0x10000000, length=8, data=b'\x01\x02\x03\x04\x05\x06\x07\x08'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10050000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
sock1.send(CAN(flags='extended', identifier=0x10010000, length=8, data=b'\x01\x02\x03\x04\x05\x04\x05\x06'))
bridgeStarted = threading.Event()
def bridgeWithRemovePackageInBothDirections():
global bridgeStarted
bSock0 = CANSocket(iface="vcan0")
bSock1 = CANSocket(iface="vcan1")
def pnrA(pkt):
if(pkt.identifier == 0x10020000):
pkt = None
else:
pkt = pkt
return pkt
def pnrB(pkt):
if (pkt.identifier == 0x10050000):
pkt = None
else:
pkt = pkt
return pkt
bridgeStarted.set()
bridge_and_sniff(if1=bSock0, if2=bSock1, xfrm12=pnrA, xfrm21=pnrB, timeout=0.2)
bSock0.close()
bSock1.close()
threadBridge = threading.Thread(target=bridgeWithRemovePackageInBothDirections)
threadBridge.start()
threadSender = threading.Thread(target=senderBothVCans)
bridgeStarted.wait()
packetsVCan0 = sock0.sniff(timeout=0.1, started_callback=threadSender.start)
packetsVCan1 = sock1.sniff(timeout=0.1)
len(packetsVCan0) == 3
len(packetsVCan1) == 5
sock0.close()
sock1.close()
threadSender.join()
threadBridge.join()
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