# ############################################################################
# """ Save configuration """
# ############################################################################
conf.contribs['ISOTP'] = \
{'use-can-isotp-kernel-module': ISOTP_KERNEL_MODULE_AVAILABLE}
# ############################################################################
# """ reload ISOTP kernel module in case configuration changed """
# ############################################################################
if six.PY3:
import importlib
if "scapy.contrib.isotp" in sys.modules:
importlib.reload(scapy.contrib.isotp)
load_contrib("isotp", globals_dict=globals())
if six.PY3 and ISOTP_KERNEL_MODULE_AVAILABLE:
if not ISOTPSocket == ISOTPNativeSocket:
raise Scapy_Exception("Error in ISOTPSocket import!")
else:
if not ISOTPSocket == ISOTPSoftSocket:
raise Scapy_Exception("Error in ISOTPSocket import!")
# ############################################################################
# """ Prepare send_delay on Ecu Answering Machine to stabilize unit tests """
# ############################################################################
from scapy.contrib.automotive.ecu import *
log_runtime.debug("Set send delay to lower utilization on CI machines")
conf.contribs['EcuAnsweringMachine']['send_delay'] = 0.004
#!/usr/bin/env python
import sys
import struct
import os
import argparse
from scapy.all import sniff, sendp, hexdump, get_if_list, get_if_hwaddr, bind_layers
from scapy.all import Packet, IPOption
from scapy.all import PacketListField, ShortField, IntField, LongField, BitField, FieldListField, FieldLenField
from scapy.all import IP, UDP, TCP, Ether
from scapy.layers.inet import _IPOption_HDR
from scapy.fields import *
from scapy.all import load_contrib
load_contrib('nsh')
def get_if():
ifs = get_if_list()
iface = None
for i in get_if_list():
if "eth0" in i:
iface = i
break
if not iface:
print "Cannot find eth0 interface"
exit(1)
return iface
def handle_pkt(pkt, iface):
print "got a packet"
def analyze_udp_in_mpls_packets(packets, ip_address, ttl, packet_count,
destination_port):
""" Analyze passed packets
Args:
packets('str'): Packets to analyze
ip_address ('str'): Destination IP address
ttl (`int`): Time to live
packet_count (`int`): Packet count to check during
packet analysis
destination_port (`int`): Destination port start "traceroute"
Returns:
pkt count
Raises:
None
"""
try:
from scapy.all import load_contrib, UDP
except ImportError:
raise ImportError(
'scapy is not installed, please install it by running: '
'pip install scapy') from None
count = 0
for pkt in packets:
# Analyze MPLS packets
if pkt.type == 34887:
load_contrib("mpls")
mpls_pkt = MPLS(pkt["Raw"])
if (mpls_pkt.haslayer("IP") and mpls_pkt["IP"].dst == ip_address
and mpls_pkt["IP"].ttl == ttl
and mpls_pkt.haslayer("UDP")):
# Catch the start of source and destination ports
if count == 0:
sport_count = mpls_pkt["UDP"].sport
dport_count = destination_port
log.info(
"Found a packet that meets the requirement:\nDestination:\t{"
"ip_pkt_dst}\nDestination Port:\t{dst_port}\nSource:\t\t{"
"ip_pkt_src}\nSource Port:\t{src_port}\nUDP Packet:\t{"
"mpls_pkt}\n".format(
ip_pkt_dst=mpls_pkt["IP"].dst,
dst_port=dport_count,
ip_pkt_src=mpls_pkt["IP"].src,
src_port=sport_count,
mpls_pkt="True" if mpls_pkt["UDP"] else "False",
))
count += 1
continue
# Verify source and destination ports are incrementing
if mpls_pkt["UDP"].sport != sport_count + 1:
log.info(
"Source port didn't increment to "
"{source_port} as expected; instead it is {sp}".format(
source_port=sport_count + 1,
destination_port=dport_count + 1,
sp=mpls_pkt["UDP"].sport,
))
return None, 0
elif mpls_pkt["UDP"].dport != dport_count + 1:
log.info("destination port didn't increment to "
"{destination_port} as expected; instead "
"it is {dp}".format(
source_port=sport_count + 1,
destination_port=dport_count + 1,
dp=mpls_pkt["UDP"].dport,
))
return None, 0
else:
count += 1
sport_count += 1
dport_count += 1
log.info(
'Found a packet that "meets" the requirement:\nDestination:\t{'
"ip_pkt_dst}\nDestination Port:\t{dst_port}\nSource:\t\t{"
"ip_pkt_src}\nSource Port:\t{src_port}\nUDP Packet:\t{"
"mpls_pkt}\n".format(
ip_pkt_dst=mpls_pkt["IP"].dst,
dst_port=dport_count,
ip_pkt_src=mpls_pkt["IP"].src,
src_port=sport_count,
mpls_pkt="True" if mpls_pkt["UDP"] else "False",
))
if count == packet_count:
return pkt, count
return None, count
STDOUT = sys.stdout
logging.getLogger("scapy.loading").setLevel(logging.ERROR)
def _get_contrib():
import scapy
mods = []
name = "*.py"
name = os.path.join(os.path.dirname(scapy.__file__), "contrib", name)
for f in glob.glob(name):
mod = os.path.basename(f)
if mod.startswith("__"):
continue
if mod.endswith(".py"):
mod = mod[:-3]
mods.append(mod)
return mods
try:
from scapy import all as scapylib
mods = _get_contrib()
for mod in mods:
scapylib.load_contrib(mod)
except ImportError as err:
print(
'*WARN* import scapy failed, please check whether scapy is installed')
raise err
finally:
sys.stdout = STDOUT
#!/usr/bin/env python
from scapy.all import send, IP, load_contrib
load_contrib('mpls')
p = Ether(type=34887) / IP(dst='10.0.0.2') / MPLS()
p = MPLS(p)
# print(p.show())
send(p, count=4)
#! /usr/bin/env python
# -*- coding: utf-8 -*-
import yaml
import copy
import traceback
from scapy.all import (TCP, UDP, IP, IPv6, Ether,
Dot1Q, sendp, ARP, ICMP, load_contrib)
load_contrib("ospf")
def is_proto(proto, s):
if isinstance(proto, str):
return proto == s
if isinstance(proto, list) and len(proto) > 0:
return proto[0] == s
return False
def get_ipver(s):
if s is not None and ":" in s:
return 5
return 4
class TxPayload(object):
def __init__(self, cfg):
self.cfg = cfg
def pkt(self):
args = copy.copy(self.cfg)
proto = args.pop("proto")
str("[!] Unknown message Exception: " +
packet.__repr__()), "red"))
pkt.extended_address = extID1
CanSocket_communication.sniff(prn=get_ISOTP_FC, timeout=0.2,
started_callback=lambda:
CanSocket_communication.
send(pkt))
time.sleep(0.5)
for id in range(min_ID, max_ID + 1):
pkt.identifier = id
fast_search(load)
load_contrib("isotp")
load_contrib("cansocket")
load_layer("can")
extended = False
scan_done = False
awake_interface = False
extended_only = False
# Dictionary with Send-to-ID as key and a tuple (received packet, Recv_ID)
found_packets = {}
# List with paket-IDs of background noise packets
noise_IDs = []
# Seconds to listen to noise
noise_listen_time = 6
# Number of pakets send in a single blow
extended_load = 100
import os
import glob
STDOUT = sys.stdout
logging.getLogger("scapy.loading").setLevel(logging.ERROR)
def _get_contrib():
import scapy
mods = []
name="*.py"
name = os.path.join(os.path.dirname(scapy.__file__), "contrib", name)
for f in glob.glob(name):
mod = os.path.basename(f)
if mod.startswith("__"):
continue
if mod.endswith(".py"):
mod = mod[:-3]
mods.append(mod)
return mods
try:
from scapy import all as scapylib
mods = _get_contrib()
for mod in mods:
scapylib.load_contrib(mod)
except ImportError, err:
print '*WARN* import scapy failed, please check whether scapy is installed'
raise err
finally:
sys.stdout = STDOUT
