diff options
Diffstat (limited to 'resources/traffic_scripts/send_ipv4_icmp_check_lw_4o6.py')
-rwxr-xr-x | resources/traffic_scripts/send_ipv4_icmp_check_lw_4o6.py | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/resources/traffic_scripts/send_ipv4_icmp_check_lw_4o6.py b/resources/traffic_scripts/send_ipv4_icmp_check_lw_4o6.py deleted file mode 100755 index 9e225428df..0000000000 --- a/resources/traffic_scripts/send_ipv4_icmp_check_lw_4o6.py +++ /dev/null @@ -1,139 +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 IPv4 ICMP packet with ID field and checks if -IPv4 is correctly encapsulated into IPv6 packet. Doing for ICMP echo request -and ICMP echo response packet.""" - -import sys - -from scapy.layers.l2 import Ether -from scapy.layers.inet import IP, ICMP, icmptypes - -from resources.libraries.python.PacketVerifier import RxQueue, TxQueue -from resources.libraries.python.TrafficScriptArg import TrafficScriptArg - - -def _is_ipv4_in_ipv6(pkt): - """If IPv6 next header type in the given pkt is IPv4, return True, - else return False. False is returned also if exception occurs.""" - ipv6_type = int('0x86dd', 16) # IPv6 - try: - if pkt.type == ipv6_type: - if pkt.payload.nh == 4: - return True - except: # pylint: disable=bare-except - return False - return False - - -def main(): # pylint: disable=too-many-statements, too-many-locals - """Main function of the script file.""" - args = TrafficScriptArg(['tx_dst_mac', 'tx_src_ipv4', 'tx_dst_ipv4', - 'tx_icmp_id', 'rx_dst_mac', 'rx_src_mac', - 'src_ipv6', 'dst_ipv6']) - rx_if = args.get_arg('rx_if') - tx_if = args.get_arg('tx_if') - tx_dst_mac = args.get_arg('tx_dst_mac') - tx_src_ipv4 = args.get_arg('tx_src_ipv4') - tx_dst_ipv4 = args.get_arg('tx_dst_ipv4') - tx_icmp_id = int(args.get_arg('tx_icmp_id')) - rx_dst_mac = args.get_arg('rx_dst_mac') - rx_src_mac = args.get_arg('rx_src_mac') - rx_src_ipv6 = args.get_arg('src_ipv6') - rx_dst_ipv6 = args.get_arg('dst_ipv6') - - rxq = RxQueue(rx_if) - txq = TxQueue(tx_if) - sent_packets = [] - - for icmp_type in ('echo-request', 'echo-reply'): - print '\nChecking ICMP type: {}'.format(icmp_type) - - # Create ICMP request - tx_pkt = (Ether(dst=tx_dst_mac) / - IP(src=tx_src_ipv4, dst=tx_dst_ipv4) / - ICMP(type=icmp_type, id=tx_icmp_id)) - - txq.send(tx_pkt) - sent_packets.append(tx_pkt) - - for _ in range(5): - pkt = rxq.recv(2) - if _is_ipv4_in_ipv6(pkt): - ether = pkt - break - else: - raise RuntimeError("IPv4 in IPv6 Rx error.") - - # check ethernet - if ether.dst != rx_dst_mac: - raise RuntimeError("Destination MAC error {} != {}.". - format(ether.dst, rx_dst_mac)) - print "Destination MAC: OK." - - if ether.src != rx_src_mac: - raise RuntimeError("Source MAC error {} != {}.". - format(ether.src, rx_src_mac)) - print "Source MAC: OK." - - ipv6 = ether.payload - - # check ipv6 - if ipv6.dst != rx_dst_ipv6: - raise RuntimeError("Destination IP error {} != {}.". - format(ipv6.dst, rx_dst_ipv6)) - print "Destination IPv6: OK." - - if ipv6.src != rx_src_ipv6: - raise RuntimeError("Source IP error {} != {}.". - format(ipv6.src, rx_src_ipv6)) - print "Source IPv6: OK." - - ipv4 = ipv6.payload - - # check ipv4 - if ipv4.dst != tx_dst_ipv4: - raise RuntimeError("Destination IP error {} != {}.". - format(ipv4.dst, tx_dst_ipv4)) - print "Destination IPv4: OK." - - if ipv4.src != tx_src_ipv4: - raise RuntimeError("Source IP error {} != {}.". - format(ipv4.src, tx_src_ipv4)) - print "Source IPv4: OK." - - # check icmp echo request - if ipv4.proto != 1: # ICMP - raise RuntimeError("IP protocol error {} != ICMP.". - format(ipv4.proto)) - print "IPv4 protocol: OK." - - icmp = ipv4.payload - - # check icmp - if icmptypes[icmp.type] != icmp_type: - raise RuntimeError("ICMP type error {} != echo request.". - format(icmp.type)) - print "ICMP type: OK." - - if icmp.id != tx_icmp_id: - raise RuntimeError("ICMP ID error {} != {}.". - format(icmp.id, tx_icmp_id)) - print "ICMP ID: OK." - - sys.exit(0) - -if __name__ == "__main__": - main() |