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Diffstat (limited to 'resources/traffic_scripts/ipv6_ns.py')
-rwxr-xr-x | resources/traffic_scripts/ipv6_ns.py | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/resources/traffic_scripts/ipv6_ns.py b/resources/traffic_scripts/ipv6_ns.py deleted file mode 100755 index 5852e6317f..0000000000 --- a/resources/traffic_scripts/ipv6_ns.py +++ /dev/null @@ -1,112 +0,0 @@ -#!/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 Neighbor Solicitation test.""" - -import sys -import logging - -# pylint: disable=no-name-in-module -# pylint: disable=import-error -logging.getLogger("scapy.runtime").setLevel(logging.ERROR) - -from scapy.all import Ether -from scapy.layers.inet6 import IPv6, ICMPv6ND_NA, ICMPv6ND_NS -from scapy.layers.inet6 import ICMPv6NDOptDstLLAddr, ICMPv6NDOptSrcLLAddr - -from resources.libraries.python.PacketVerifier import RxQueue, TxQueue -from resources.libraries.python.PacketVerifier import checksum_equal -from resources.libraries.python.TrafficScriptArg import TrafficScriptArg - - -def main(): - args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip']) - - 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') - - sent_packets = [] - - # send ICMPv6 neighbor solicitation message - pkt_send = (Ether(src=src_mac, dst='ff:ff:ff:ff:ff:ff') / - IPv6(src=src_ip, dst='ff02::1:ff00:2') / - ICMPv6ND_NS(tgt=dst_ip) / - ICMPv6NDOptSrcLLAddr(lladdr=src_mac)) - sent_packets.append(pkt_send) - txq.send(pkt_send) - - # receive ICMPv6 neighbor advertisement message - while True: - ether = rxq.recv(2, sent_packets) - if ether is None: - raise RuntimeError('ICMPv6 echo reply Rx timeout') - - if ether.haslayer(ICMPv6ND_NS): - # read another packet in the queue if the current one is ICMPv6ND_NS - continue - else: - # otherwise process the current packet - break - - if ether is None: - raise RuntimeError('ICMPv6 echo reply Rx timeout') - - if not ether.haslayer(IPv6): - raise RuntimeError('Unexpected packet with no IPv6 received {0}'. - format(ether.__repr__())) - - ipv6 = ether[IPv6] - - if not ipv6.haslayer(ICMPv6ND_NA): - raise RuntimeError('Unexpected packet with no ICMPv6 ND-NA received ' - '{0}'.format(ipv6.__repr__())) - - icmpv6_na = ipv6[ICMPv6ND_NA] - - # verify target address - if icmpv6_na.tgt != dst_ip: - raise RuntimeError('Invalid target address {0} should be {1}'. - format(icmpv6_na.tgt, dst_ip)) - - if not icmpv6_na.haslayer(ICMPv6NDOptDstLLAddr): - raise RuntimeError('Missing Destination Link-Layer Address option in ' - 'ICMPv6 Neighbor Advertisement {0}'. - format(icmpv6_na.__repr__())) - - dst_ll_addr = icmpv6_na[ICMPv6NDOptDstLLAddr] - - # verify destination link-layer address field - if dst_ll_addr.lladdr != dst_mac: - raise RuntimeError('Invalid lladdr {0} should be {1}'. - format(dst_ll_addr.lladdr, dst_mac)) - - # verify checksum - cksum = icmpv6_na.cksum - del icmpv6_na.cksum - tmp = ICMPv6ND_NA(str(icmpv6_na)) - if not checksum_equal(tmp.cksum, cksum): - raise RuntimeError('Invalid checksum {0} should be {1}'. - format(cksum, tmp.cksum)) - - sys.exit(0) - - -if __name__ == "__main__": - main() |