+++ /dev/null
-#!/usr/bin/env python
-
-# Copyright (c) 2016 Cisco and/or its affiliates.
-# 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.
-
-"""Traffic script for IPv6 sweep ping."""
-
-import sys
-import logging
-import os
-logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
-from resources.libraries.python.PacketVerifier import RxQueue, TxQueue
-from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
-from scapy.layers.inet6 import IPv6, ICMPv6ND_NA, ICMPv6NDOptDstLLAddr
-from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply
-from scapy.all import Ether
-
-
-def main():
- # start_size - start size of the ICMPv6 echo data
- # end_size - end size of the ICMPv6 echo data
- # step - increment step
- args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip',
- 'start_size', 'end_size', 'step'])
-
- rxq = RxQueue(args.get_arg('rx_if'))
- txq = TxQueue(args.get_arg('tx_if'))
-
- src_mac = args.get_arg('src_mac')
- dst_mac = args.get_arg('dst_mac')
- src_ip = args.get_arg('src_ip')
- dst_ip = args.get_arg('dst_ip')
- start_size = int(args.get_arg('start_size'))
- end_size = int(args.get_arg('end_size'))
- step = int(args.get_arg('step'))
- echo_id = 0xa
- # generate some random data buffer
- data = bytearray(os.urandom(end_size))
-
- # send ICMPv6 neighbor advertisement message
- sent_packets = []
- pkt_send = (Ether(src=src_mac, dst=dst_mac) /
- IPv6(src=src_ip, dst=dst_ip) /
- ICMPv6ND_NA(tgt=src_ip, R=0) /
- ICMPv6NDOptDstLLAddr(lladdr=src_mac))
- sent_packets.append(pkt_send)
- txq.send(pkt_send)
-
- # send ICMPv6 echo request with incremented data length and receive ICMPv6
- # echo reply
- for echo_seq in range(start_size, end_size, step):
- pkt_send = (Ether(src=src_mac, dst=dst_mac) /
- IPv6(src=src_ip, dst=dst_ip) /
- ICMPv6EchoRequest(id=echo_id, seq=echo_seq,
- data=data[0:echo_seq]))
- sent_packets.append(pkt_send)
- txq.send(pkt_send)
-
- ether = rxq.recv(ignore=sent_packets)
- if ether is None:
- rxq._proc.terminate()
- raise RuntimeError(
- 'ICMPv6 echo reply seq {0} Rx timeout'.format(echo_seq))
-
- if not ether.haslayer(IPv6):
- rxq._proc.terminate()
- raise RuntimeError(
- 'Unexpected packet with no IPv6 received {0}'.format(
- ether.__repr__()))
-
- ipv6 = ether['IPv6']
-
- if not ipv6.haslayer(ICMPv6EchoReply):
- rxq._proc.terminate()
- raise RuntimeError(
- 'Unexpected packet with no IPv6 ICMP received {0}'.format(
- ipv6.__repr__()))
-
- icmpv6 = ipv6['ICMPv6 Echo Reply']
-
- if icmpv6.id != echo_id or icmpv6.seq != echo_seq:
- rxq._proc.terminate()
- raise RuntimeError(
- 'Invalid ICMPv6 echo reply received ID {0} seq {1} should be ' +
- 'ID {2} seq {3}, {0}'.format(icmpv6.id, icmpv6.seq, echo_id,
- echo_seq))
-
- cksum = icmpv6.cksum
- del icmpv6.cksum
- tmp = ICMPv6EchoReply(str(icmpv6))
- if tmp.cksum != cksum:
- rxq._proc.terminate()
- raise RuntimeError(
- 'Invalid checksum {0} should be {1}'.format(cksum, tmp.cksum))
-
- rxq._proc.terminate()
- sys.exit(0)
-
-if __name__ == "__main__":
- main()