From d68951ac245150eeefa6e0f4156e4c1b5c9e9325 Mon Sep 17 00:00:00 2001 From: Jan Gelety Date: Tue, 12 Nov 2019 05:27:43 +0100 Subject: Python3: resources and libraries Change-Id: I1392c06b1d64f62b141d24c0d42a8e36913b15e2 Signed-off-by: Jan Gelety --- .../traffic_scripts/send_ipv6_udp_check_map_t.py | 135 --------------------- 1 file changed, 135 deletions(-) delete mode 100755 resources/traffic_scripts/send_ipv6_udp_check_map_t.py (limited to 'resources/traffic_scripts/send_ipv6_udp_check_map_t.py') diff --git a/resources/traffic_scripts/send_ipv6_udp_check_map_t.py b/resources/traffic_scripts/send_ipv6_udp_check_map_t.py deleted file mode 100755 index 2d9c291686..0000000000 --- a/resources/traffic_scripts/send_ipv6_udp_check_map_t.py +++ /dev/null @@ -1,135 +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 empty UDP datagram and checks if IPv6 addresses -are correctly translate to IPv4 addresses.""" - -import sys - -from scapy.layers.l2 import Ether -from scapy.layers.inet6 import IPv6, UDP -from ipaddress import ip_address - -from resources.libraries.python.PacketVerifier import RxQueue, TxQueue -from resources.libraries.python.TrafficScriptArg import TrafficScriptArg - - -def _check_udp_checksum(pkt): - """Check UDP checksum in IP packet. Return True if checksum is correct - else False.""" - new = pkt.__class__(str(pkt)) - del new['UDP'].chksum - new = new.__class__(str(new)) - return new['UDP'].chksum == pkt['UDP'].chksum - - -def _is_udp_in_ipv4(pkt): - """If IPv4 protocol type in the given pkt is UDP, return True, - else return False. False is returned also if exception occurs.""" - ipv4_type = int('0x0800', 16) # IPv4 - try: - if pkt.type == ipv4_type: - if pkt.payload.proto == 17: # UDP - return True - except AttributeError: - 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_mac', - 'tx_src_ipv6', 'tx_dst_ipv6', - 'tx_src_udp_port', 'rx_dst_mac', 'rx_src_mac', - 'rx_src_ipv4', 'rx_dst_ipv4']) - 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_mac = args.get_arg('tx_src_mac') - tx_src_ipv6 = args.get_arg('tx_src_ipv6') - tx_dst_ipv6 = args.get_arg('tx_dst_ipv6') - tx_src_udp_port = int(args.get_arg('tx_src_udp_port')) - tx_dst_udp_port = 20000 - rx_dst_mac = args.get_arg('rx_dst_mac') - rx_src_mac = args.get_arg('rx_src_mac') - rx_src_ipv4 = args.get_arg('rx_src_ipv4') - rx_dst_ipv4 = args.get_arg('rx_dst_ipv4') - - rxq = RxQueue(rx_if) - txq = TxQueue(tx_if) - sent_packets = [] - - # Create empty UDP datagram in IPv6 - - udp = (Ether(dst=tx_dst_mac, src=tx_src_mac) / - IPv6(src=tx_src_ipv6, dst=tx_dst_ipv6) / - UDP(sport=tx_src_udp_port, dport=tx_dst_udp_port) / - 'udp_payload') - - txq.send(udp) - sent_packets.append(udp) - - for _ in range(5): - pkt = rxq.recv(2) - if _is_udp_in_ipv4(pkt): - ether = pkt - break - else: - raise RuntimeError("UDP in IPv4 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." - - ipv4 = ether.payload - - # check ipv4 - if ip_address(unicode(ipv4.dst)) != ip_address(unicode(rx_dst_ipv4)): - raise RuntimeError("Destination IPv4 error {} != {}.". - format(ipv4.dst, rx_dst_ipv4)) - print "Destination IPv4: OK." - - if ip_address(unicode(ipv4.src)) != ip_address(unicode(rx_src_ipv4)): - raise RuntimeError("Source IPv4 error {} != {}.". - format(ipv4.src, rx_src_ipv4)) - print "Source IPv4: OK." - - udp = ipv4.payload - - # check udp - if udp.dport != tx_dst_udp_port: - raise RuntimeError("UDP dport error {} != {}.". - format(udp.dport, tx_dst_udp_port)) - print "UDP dport: OK." - - if udp.sport != tx_src_udp_port: - raise RuntimeError("UDP sport error {} != {}.". - format(udp.sport, tx_src_udp_port)) - print "UDP sport: OK." - - if not _check_udp_checksum(ipv4): - raise RuntimeError("UDP checksum error.") - print "UDP checksum OK." - - sys.exit(0) - -if __name__ == "__main__": - main() -- cgit 1.2.3-korg