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Diffstat (limited to 'resources/traffic_scripts/send_ip_icmp.py')
| -rwxr-xr-x | resources/traffic_scripts/send_ip_icmp.py | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/resources/traffic_scripts/send_ip_icmp.py b/resources/traffic_scripts/send_ip_icmp.py deleted file mode 100755 index 58f2e1e4d8..0000000000 --- a/resources/traffic_scripts/send_ip_icmp.py +++ /dev/null @@ -1,186 +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 one. Dot1q or Dot1ad tagging of the ethernet frame can be set. -""" - -import sys -import ipaddress - -from scapy.layers.l2 import Ether, Dot1Q -from scapy.layers.inet import ICMP, IP -from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6ND_NS - -from resources.libraries.python.PacketVerifier import RxQueue, TxQueue -from resources.libraries.python.TrafficScriptArg import TrafficScriptArg - - -def valid_ipv4(ip): - """Check if IP address has the correct IPv4 address format. - - :param ip: IP address. - :type ip: str - :return: True in case of correct IPv4 address format, - otherwise return false. - :rtype: bool - """ - try: - ipaddress.IPv4Address(unicode(ip)) - return True - except (AttributeError, ipaddress.AddressValueError): - return False - - -def valid_ipv6(ip): - """Check if IP address has the correct IPv6 address format. - - :param ip: IP address. - :type ip: str - :return: True in case of correct IPv6 address format, - otherwise return false. - :rtype: bool - """ - try: - ipaddress.IPv6Address(unicode(ip)) - return True - except (AttributeError, ipaddress.AddressValueError): - return False - - -def main(): - """Send IP ICMPv4/ICMPv6 packet from one traffic generator interface to - the other one. Dot1q or Dot1ad tagging of the ethernet frame can be set. - """ - args = TrafficScriptArg(['src_mac', 'dst_mac', 'src_ip', 'dst_ip'], - ['encaps', 'vlan1', 'vlan2', 'encaps_rx', - 'vlan1_rx', 'vlan2_rx']) - - 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') - - encaps = args.get_arg('encaps') - vlan1 = args.get_arg('vlan1') - vlan2 = args.get_arg('vlan2') - encaps_rx = args.get_arg('encaps_rx') - vlan1_rx = args.get_arg('vlan1_rx') - vlan2_rx = args.get_arg('vlan2_rx') - - 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 = '' - icmp_format = '' - # Create empty ip ICMP packet and add padding before sending - if valid_ipv4(src_ip) and valid_ipv4(dst_ip): - if encaps == 'Dot1q': - pkt_raw = (Ether(src=src_mac, dst=dst_mac) / - Dot1Q(vlan=int(vlan1)) / - IP(src=src_ip, dst=dst_ip) / - ICMP()) - elif encaps == 'Dot1ad': - pkt_raw = (Ether(src=src_mac, dst=dst_mac, type=0x88A8) / - Dot1Q(vlan=int(vlan1), type=0x8100) / - Dot1Q(vlan=int(vlan2)) / - IP(src=src_ip, dst=dst_ip) / - ICMP()) - else: - pkt_raw = (Ether(src=src_mac, dst=dst_mac) / - IP(src=src_ip, dst=dst_ip) / - ICMP()) - ip_format = IP - icmp_format = ICMP - elif valid_ipv6(src_ip) and valid_ipv6(dst_ip): - if encaps == 'Dot1q': - pkt_raw = (Ether(src=src_mac, dst=dst_mac) / - Dot1Q(vlan=int(vlan1)) / - IPv6(src=src_ip, dst=dst_ip) / - ICMPv6EchoRequest()) - elif encaps == 'Dot1ad': - pkt_raw = (Ether(src=src_mac, dst=dst_mac, type=0x88A8) / - Dot1Q(vlan=int(vlan1), type=0x8100) / - Dot1Q(vlan=int(vlan2)) / - IPv6(src=src_ip, dst=dst_ip) / - ICMPv6EchoRequest()) - else: - pkt_raw = (Ether(src=src_mac, dst=dst_mac) / - IPv6(src=src_ip, dst=dst_ip) / - ICMPv6EchoRequest()) - ip_format = IPv6 - icmp_format = ICMPv6EchoRequest - else: - raise ValueError("IP(s) not in correct format") - - # Send created packet on one interface and receive on the other - sent_packets.append(pkt_raw) - txq.send(pkt_raw) - - # Receive ICMP / ICMPv6 echo reply - while True: - 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 - - # Check whether received packet contains layers IP/IPv6 and - # ICMP/ICMPv6EchoRequest - if encaps_rx: - if encaps_rx == 'Dot1q': - if not vlan1_rx: - vlan1_rx = vlan1 - if not ether.haslayer(Dot1Q): - raise RuntimeError('Not VLAN tagged Eth frame received:\n{0}'. - format(ether.__repr__())) - elif ether[Dot1Q].vlan != int(vlan1_rx): - raise RuntimeError('Ethernet frame with wrong VLAN tag ({}) ' - 'received ({} expected):\n{}'. - format(ether[Dot1Q].vlan, vlan1_rx, - ether.__repr__())) - elif encaps_rx == 'Dot1ad': - if not vlan1_rx: - vlan1_rx = vlan1 - if not vlan2_rx: - vlan2_rx = vlan2 - # TODO - raise RuntimeError('Encapsulation {0} not implemented yet.'. - format(encaps_rx)) - else: - raise RuntimeError('Unsupported encapsulation expected: {0}'. - format(encaps_rx)) - - if not ether.haslayer(ip_format): - raise RuntimeError('Not an IP/IPv6 packet received:\n{0}'. - format(ether.__repr__())) - - if not ether.haslayer(icmp_format): - raise RuntimeError('Not an ICMP/ICMPv6EchoRequest packet received:\n' - '{0}'.format(ether.__repr__())) - - sys.exit(0) - - -if __name__ == "__main__": - main() |