X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=GPL%2Ftraffic_scripts%2Fsend_ip_check_headers.py;h=be1f7f045a81d8373d298e3fe08feabe022cae0a;hb=refs%2Fchanges%2F29%2F32729%2F3;hp=a82a8a3ca8d855f68a8c7fe2b0dcb52848ba3380;hpb=a5eed81d7d04e0d23186781a79031f392b432ce8;p=csit.git diff --git a/GPL/traffic_scripts/send_ip_check_headers.py b/GPL/traffic_scripts/send_ip_check_headers.py index a82a8a3ca8..be1f7f045a 100644 --- a/GPL/traffic_scripts/send_ip_check_headers.py +++ b/GPL/traffic_scripts/send_ip_check_headers.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, @@ -33,7 +34,7 @@ import ipaddress from robot.api import logger from scapy.layers.inet import IP -from scapy.layers.inet6 import IPv6, ICMPv6ND_NS +from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6MLReport2, ICMPv6ND_RA from scapy.layers.l2 import Ether, Dot1Q from scapy.packet import Raw @@ -41,17 +42,31 @@ from .PacketVerifier import RxQueue, TxQueue from .TrafficScriptArg import TrafficScriptArg -def valid_ipv4(ip): +def valid_ipv4(ip_address): + """Check IPv4 address. + + :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): +def valid_ipv6(ip_address): + """Check IPv6 address. + + :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 @@ -89,7 +104,7 @@ def main(): rxq = RxQueue(rx_if) txq = TxQueue(tx_if) - sent_packets =list() + sent_packets = list() pkt_raw = Ether(src=tx_src_mac, dst=tx_dst_mac) if encaps_tx == u"Dot1q": @@ -124,9 +139,16 @@ def main(): 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 + elif ether.haslayer(ICMPv6MLReport2): + # read another packet in the queue if the current one is + # ICMPv6MLReport2 + continue + elif ether.haslayer(ICMPv6ND_RA): + # read another packet in the queue if the current one is + # ICMPv6ND_RA + continue + + break if rx_dst_mac == ether[Ether].dst and rx_src_mac == ether[Ether].src: logger.trace(u"MAC matched")