X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=GPL%2Ftraffic_scripts%2Fsend_icmp_wait_for_reply.py;h=ea82a81f4ba32341052910e1c52081caab852289;hp=faa9d76f428be80a9978a33390a14fba2812c86c;hb=9d14c2d71ce85fe95aa9a2321738abb25d032b0c;hpb=a5eed81d7d04e0d23186781a79031f392b432ce8 diff --git a/GPL/traffic_scripts/send_icmp_wait_for_reply.py b/GPL/traffic_scripts/send_icmp_wait_for_reply.py index faa9d76f42..ea82a81f4b 100644 --- a/GPL/traffic_scripts/send_icmp_wait_for_reply.py +++ b/GPL/traffic_scripts/send_icmp_wait_for_reply.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 -# Copyright (c) 2020 Cisco and/or its affiliates. +# Copyright (c) 2021 Cisco and/or its affiliates. # # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later # @@ -14,7 +14,8 @@ # # Note: If this file is linked with Scapy, which is GPLv2+, your use of it # must be under GPLv2+. If at any point in the future it is no longer linked -# with Scapy (or other GPLv2+ licensed software), you are free to choose Apache 2. +# with Scapy (or other GPLv2+ licensed software), you are free to choose +# Apache 2. # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, @@ -28,8 +29,8 @@ import sys import ipaddress from scapy.layers.inet import ICMP, IP -from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply,\ - ICMPv6ND_NS +from scapy.layers.inet6 import ICMPv6EchoRequest, ICMPv6EchoReply,\ + ICMPv6ND_NS, ICMPv6MLReport2, ICMPv6ND_RA from scapy.layers.l2 import Ether from scapy.packet import Raw @@ -37,33 +38,31 @@ from .PacketVerifier import RxQueue, TxQueue from .TrafficScriptArg import TrafficScriptArg -def valid_ipv4(ip): - """Check if IP address has the correct IPv4 address format. +def valid_ipv4(ip_address): + """Check IPv4 address. - :param ip: IP address. - :type ip: str - :return: True in case of correct IPv4 address format, - otherwise return False. + :param ip_address: IPv4 address to check. + :type ip_address: str + :returns: True if IP address is correct. :rtype: bool """ try: - ipaddress.IPv4Address(ip) + ipaddress.IPv4Address(ip_address) return True except (AttributeError, ipaddress.AddressValueError): return False -def valid_ipv6(ip): - """Check if IP address has the correct IPv6 address format. +def valid_ipv6(ip_address): + """Check IPv6 address. - :param ip: IP address. - :type ip: str - :return: True in case of correct IPv6 address format, - otherwise return False. + :param ip_address: IPv6 address to check. + :type ip_address: str + :returns: True if IP address is correct. :rtype: bool """ try: - ipaddress.IPv6Address(ip) + ipaddress.IPv6Address(ip_address) return True except (AttributeError, ipaddress.AddressValueError): return False @@ -104,9 +103,9 @@ def main(): raise ValueError(u"IP not in correct format") icmp_request = ( - Ether(src=src_mac, dst=dst_mac) / - ip_layer(src=src_ip, dst=dst_ip) / - icmp_req() + Ether(src=src_mac, dst=dst_mac) / + ip_layer(src=src_ip, dst=dst_ip) / + icmp_req() ) # Send created packet on the interface @@ -125,9 +124,16 @@ def main(): elif icmp_reply.haslayer(ICMPv6ND_NS): # read another packet in the queue in case of ICMPv6ND_NS packet continue - else: - # otherwise process the current packet - break + elif icmp_reply.haslayer(ICMPv6MLReport2): + # read another packet in the queue if the current one is + # ICMPv6MLReport2 + continue + elif icmp_reply.haslayer(ICMPv6ND_RA): + # read another packet in the queue if the current one is + # ICMPv6ND_RA + continue + + break if icmp_reply[ip_layer][icmp_resp].type == icmp_type: if icmp_reply[ip_layer].src == dst_ip and \