diff options
Diffstat (limited to 'resources/traffic_scripts/send_icmp_check_headers.py')
-rwxr-xr-x | resources/traffic_scripts/send_icmp_check_headers.py | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/resources/traffic_scripts/send_icmp_check_headers.py b/resources/traffic_scripts/send_icmp_check_headers.py deleted file mode 100755 index 2193164b61..0000000000 --- a/resources/traffic_scripts/send_icmp_check_headers.py +++ /dev/null @@ -1,153 +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 that sends an IP ICMPv4/ICMPv6 packet from one interface -to the other. Source and destination IP addresses and source and destination -MAC addresses are checked in received packet. -""" - -import sys - -import ipaddress -from robot.api import logger -from scapy.layers.inet import ICMP, IP -from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6ND_NS -from scapy.layers.l2 import Ether, Dot1Q - -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'], - ['encaps_tx', 'vlan_tx', 'vlan_outer_tx', - 'encaps_rx', 'vlan_rx', 'vlan_outer_rx']) - - tx_src_mac = args.get_arg('tg_src_mac') - tx_dst_mac = args.get_arg('dut_if1_mac') - rx_dst_mac = args.get_arg('tg_dst_mac') - rx_src_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') - - encaps_tx = args.get_arg('encaps_tx') - vlan_tx = args.get_arg('vlan_tx') - vlan_outer_tx = args.get_arg('vlan_outer_tx') - encaps_rx = args.get_arg('encaps_rx') - vlan_rx = args.get_arg('vlan_rx') - vlan_outer_rx = args.get_arg('vlan_outer_rx') - - rxq = RxQueue(rx_if) - txq = TxQueue(tx_if) - sent_packets = [] - ip_format = '' - pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac) - if encaps_tx == 'Dot1q': - pkt_raw /= Dot1Q(vlan=int(vlan_tx)) - elif encaps_tx == 'Dot1ad': - pkt_raw.type = 0x88a8 - pkt_raw /= Dot1Q(vlan=vlan_outer_tx) - pkt_raw /= Dot1Q(vlan=vlan_tx) - if valid_ipv4(src_ip) and valid_ipv4(dst_ip): - pkt_raw /= IP(src=src_ip, dst=dst_ip) - pkt_raw /= ICMP() - ip_format = IP - elif valid_ipv6(src_ip) and valid_ipv6(dst_ip): - pkt_raw /= IPv6(src=src_ip, dst=dst_ip) - pkt_raw /= ICMPv6EchoRequest() - ip_format = IPv6 - else: - raise ValueError("IP not in correct format") - - sent_packets.append(pkt_raw) - txq.send(pkt_raw) - - while True: - if tx_if == rx_if: - ether = rxq.recv(2, ignore=sent_packets) - else: - ether = rxq.recv(2) - if ether is None: - raise RuntimeError('ICMP echo 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 rx_dst_mac == ether[Ether].dst and rx_src_mac == ether[Ether].src: - logger.trace("MAC matched") - else: - raise RuntimeError("Matching packet unsuccessful: {0}". - format(ether.__repr__())) - - if encaps_rx == 'Dot1q': - if ether[Dot1Q].vlan == int(vlan_rx): - logger.trace("VLAN matched") - else: - raise RuntimeError('Ethernet frame with wrong VLAN tag ({}-' - 'received, {}-expected):\n{}'. - format(ether[Dot1Q].vlan, vlan_rx, - ether.__repr__())) - ip = ether[Dot1Q].payload - elif encaps_rx == 'Dot1ad': - raise NotImplementedError() - else: - ip = ether.payload - - if not isinstance(ip, ip_format): - raise RuntimeError("Not an IP packet received {0}". - format(ip.__repr__())) - - # Compare data from packets - if src_ip == ip.src: - logger.trace("Src IP matched") - else: - raise RuntimeError("Matching Src IP unsuccessful: {} != {}". - format(src_ip, ip.src)) - - if dst_ip == ip.dst: - logger.trace("Dst IP matched") - else: - raise RuntimeError("Matching Dst IP unsuccessful: {} != {}". - format(dst_ip, ip.dst)) - - sys.exit(0) - - -if __name__ == "__main__": - main() |