From 395ed47437010c9852d9d620f491f660a085dbfd Mon Sep 17 00:00:00 2001 From: Zdeno Date: Mon, 18 Apr 2016 16:17:26 +0200 Subject: CSIT-9: COP Whitelist/blacklist - Included are also IPv6 tests - JIRA: CSIT-17 Change-Id: I89ae6c38cdc6742a597c0dc24ed1c033c1b5d155 Signed-off-by: Zdeno --- .../traffic_scripts/send_icmp_check_headers.py | 107 +++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100755 resources/traffic_scripts/send_icmp_check_headers.py (limited to 'resources/traffic_scripts/send_icmp_check_headers.py') diff --git a/resources/traffic_scripts/send_icmp_check_headers.py b/resources/traffic_scripts/send_icmp_check_headers.py new file mode 100755 index 0000000000..f8f5309764 --- /dev/null +++ b/resources/traffic_scripts/send_icmp_check_headers.py @@ -0,0 +1,107 @@ +#!/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 that sends an ip icmp packet +from one interface to the other. +""" + +import sys +import ipaddress + +from scapy.layers.inet import ICMP, IP +from scapy.layers.inet6 import IPv6 +from scapy.all import Ether +from scapy.layers.inet6 import ICMPv6EchoRequest +from robot.api import logger + +from resources.libraries.python.PacketVerifier import RxQueue, TxQueue +from resources.libraries.python.TrafficScriptArg import TrafficScriptArg + + +def valid_ipv4(ip): + try: + ipaddress.IPv4Address(unicode(ip)) + return True + except (AttributeError, ipaddress.AddressValueError): + return False + + +def valid_ipv6(ip): + try: + ipaddress.IPv6Address(unicode(ip)) + return True + except (AttributeError, ipaddress.AddressValueError): + return False + + +def main(): + """Send IP ICMP packet from one traffic generator interface to the other.""" + args = TrafficScriptArg( + ['tg_src_mac', 'tg_dst_mac', 'src_ip', 'dst_ip', 'dut_if1_mac', + 'dut_if2_mac']) + + src_mac = args.get_arg('tg_src_mac') + dst_mac = args.get_arg('tg_dst_mac') + dut1_if1_mac = args.get_arg('dut_if1_mac') + dut1_if2_mac = args.get_arg('dut_if2_mac') + src_ip = args.get_arg('src_ip') + dst_ip = args.get_arg('dst_ip') + tx_if = args.get_arg('tx_if') + rx_if = args.get_arg('rx_if') + + rxq = RxQueue(rx_if) + txq = TxQueue(tx_if) + sent_packets = [] + ip_format = '' + pkt_raw = '' + if valid_ipv4(src_ip) and valid_ipv4(dst_ip): + pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) / + IP(src=src_ip, dst=dst_ip) / + ICMP()) + ip_format = 'IP' + elif valid_ipv6(src_ip) and valid_ipv6(dst_ip): + pkt_raw = (Ether(src=src_mac, dst=dut1_if1_mac) / + IPv6(src=src_ip, dst=dst_ip) / + ICMPv6EchoRequest()) + ip_format = 'IPv6' + else: + raise ValueError("IP not in correct format") + + sent_packets.append(pkt_raw) + txq.send(pkt_raw) + ether = rxq.recv(2) + + if ether is None: + raise RuntimeError("ICMP echo Rx timeout") + if not ether.haslayer(ip_format): + raise RuntimeError("Not an IP packet received {0}" + .format(ether.__repr__())) + + # Compare data from packets + if src_ip == ether[ip_format].src and dst_ip == ether[ip_format].dst: + logger.trace("IP matched") + if dst_mac == ether['Ethernet'].dst and \ + dut1_if2_mac == ether['Ethernet'].src: + logger.trace("MAC matched") + else: + raise RuntimeError("Matching packet unsuccessful: {0}" + .format(ether.__repr__())) + else: + raise RuntimeError("Matching packet unsuccessful: {0}" + .format(ether.__repr__())) + sys.exit(0) + + +if __name__ == "__main__": + main() -- cgit 1.2.3-korg