X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=GPL%2Ftraffic_scripts%2Fsend_icmp_wait_for_reply.py;h=f09287f24e7cc542ec21de9c513c0bcf33e4a33c;hb=refs%2Fchanges%2F30%2F32730%2F5;hp=78554634af479f6556577d6db016f950567b65a4;hpb=79f5ba9bf7656972dd988508eff9465562dde42c;p=csit.git diff --git a/GPL/traffic_scripts/send_icmp_wait_for_reply.py b/GPL/traffic_scripts/send_icmp_wait_for_reply.py index 78554634af..f09287f24e 100644 --- a/GPL/traffic_scripts/send_icmp_wait_for_reply.py +++ b/GPL/traffic_scripts/send_icmp_wait_for_reply.py @@ -1,11 +1,21 @@ #!/usr/bin/env python3 -# Copyright (c) 2020 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: +# Copyright (c) 2021 Cisco and/or its affiliates. +# +# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +# +# Licensed under the Apache License 2.0 or +# GNU General Public License v2.0 or later; you may not use this file +# except in compliance with one of these Licenses. You +# may obtain a copy of the Licenses at: # # http://www.apache.org/licenses/LICENSE-2.0 +# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html +# +# 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. # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, @@ -16,48 +26,16 @@ """Traffic script that sends an IP ICMPv4 or ICMPv6.""" 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 from .PacketVerifier import RxQueue, TxQueue from .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(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(ip) - return True - except (AttributeError, ipaddress.AddressValueError): - return False +from .ValidIp import valid_ipv4, valid_ipv6 def main(): @@ -95,9 +73,9 @@ 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 @@ -116,9 +94,16 @@ 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 \