1#!/usr/bin/env python3 2# 3# Copyright (c) 2016, The OpenThread Authors. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are met: 8# 1. Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 2. Redistributions in binary form must reproduce the above copyright 11# notice, this list of conditions and the following disclaimer in the 12# documentation and/or other materials provided with the distribution. 13# 3. Neither the name of the copyright holder nor the 14# names of its contributors may be used to endorse or promote products 15# derived from this software without specific prior written permission. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29 30import unittest 31 32import command 33import config 34import copy 35import ipv6 36import mle 37import thread_cert 38from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, MLE_ADVERTISEMENT, ADDR_QRY_URI, SOURCE_ADDRESS_TLV, ROUTE64_TLV, LEADER_DATA_TLV 39from pktverify.packet_verifier import PacketVerifier 40from pktverify.bytes import Bytes 41 42DUT_LEADER = 1 43BR = 2 44MED1 = 3 45MED2 = 4 46 47MTDS = [MED1, MED2] 48 49# Test Purpose and Description: 50# ----------------------------- 51# The purpose of this test case is to validate that the DUT MTD Child Address Set 52# can hold at least 4 IPv6 non-link-local addresses. 53# 54# Test Topology: 55# ------------- 56# MED_1 57# | 58# BR - Leader(DUT) - MED_2 59# 60# DUT Types: 61# ---------- 62# Leader 63 64 65class Cert_5_3_8_ChildAddressSet(thread_cert.TestCase): 66 USE_MESSAGE_FACTORY = False 67 68 TOPOLOGY = { 69 DUT_LEADER: { 70 'name': 'LEADER', 71 'mode': 'rdn', 72 'allowlist': [BR, MED1, MED2] 73 }, 74 BR: { 75 'mode': 'rdn', 76 'allowlist': [DUT_LEADER] 77 }, 78 MED1: { 79 'name': 'MED_1', 80 'is_mtd': True, 81 'mode': 'rn', 82 'allowlist': [DUT_LEADER] 83 }, 84 MED2: { 85 'name': 'MED_2', 86 'is_mtd': True, 87 'mode': 'rn', 88 'allowlist': [DUT_LEADER] 89 }, 90 } 91 # override wireshark preferences with case needed parameters 92 CASE_WIRESHARK_PREFS = copy.deepcopy(WIRESHARK_OVERRIDE_PREFS) 93 CASE_WIRESHARK_PREFS['6lowpan.context1'] = '2001::/64' 94 CASE_WIRESHARK_PREFS['6lowpan.context2'] = '2002::/64' 95 CASE_WIRESHARK_PREFS['6lowpan.context3'] = '2003::/64' 96 97 def test(self): 98 self.nodes[DUT_LEADER].start() 99 self.simulator.go(config.LEADER_STARTUP_DELAY) 100 self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader') 101 102 self.nodes[BR].start() 103 self.simulator.go(config.ROUTER_STARTUP_DELAY) 104 self.assertEqual(self.nodes[BR].get_state(), 'router') 105 106 # 1 BR: Configure BR to be a DHCPv6 server 107 self.nodes[BR].add_prefix('2001::/64', 'pdros') 108 self.nodes[BR].add_prefix('2002::/64', 'pdros') 109 self.nodes[BR].add_prefix('2003::/64', 'pdros') 110 self.nodes[BR].register_netdata() 111 112 # 3 MED1, MED2: MED1 and MED2 attach to DUT_LEADER 113 for i in MTDS: 114 self.nodes[i].start() 115 self.simulator.go(5) 116 self.assertEqual(self.nodes[i].get_state(), 'child') 117 self.collect_ipaddrs() 118 119 # 4 MED1: MED1 send an ICMPv6 Echo Request to the MED2 ML-EID 120 med2_ml_eid = self.nodes[MED2].get_ip6_address(config.ADDRESS_TYPE.ML_EID) 121 self.assertTrue(med2_ml_eid is not None) 122 self.assertTrue(self.nodes[MED1].ping(med2_ml_eid)) 123 124 # Wait for sniffer got packets 125 self.simulator.go(1) 126 127 # 5 MED1: MED1 send an ICMPv6 Echo Request to the MED2 2001::GUA 128 addr = self.nodes[MED2].get_addr("2001::/64") 129 self.assertTrue(addr is not None) 130 self.assertTrue(self.nodes[MED1].ping(addr)) 131 # Wait for sniffer got packets 132 self.simulator.go(1) 133 134 # 6 MED1: MED1 send an ICMPv6 Echo Request to the MED2 2002::GUA 135 addr = self.nodes[MED2].get_addr("2002::/64") 136 self.assertTrue(addr is not None) 137 self.assertTrue(self.nodes[MED1].ping(addr)) 138 139 # Wait for sniffer got packets 140 self.simulator.go(1) 141 142 # 7 MED1: MED1 send an ICMPv6 Echo Request to the MED2 2003::GUA 143 addr = self.nodes[MED2].get_addr("2003::/64") 144 self.assertTrue(addr is not None) 145 self.assertTrue(self.nodes[MED1].ping(addr)) 146 147 # Wait for sniffer got packets 148 self.simulator.go(1) 149 150 def verify(self, pv): 151 pkts = pv.pkts 152 pv.summary.show() 153 154 LEADER = pv.vars['LEADER'] 155 MED_1 = pv.vars['MED_1'] 156 MED_1_MLEID = pv.vars['MED_1_MLEID'] 157 MED_2 = pv.vars['MED_2'] 158 MED_2_MLEID = pv.vars['MED_2_MLEID'] 159 MED_1_GUA = list() 160 MED_2_GUA = list() 161 MM = pv.vars['MM_PORT'] 162 names = locals() 163 164 for i in (1, 2): 165 for addr in pv.vars['MED_%d_IPADDRS' % i]: 166 for j in range(1, 4): 167 if addr.startswith(Bytes('200%d' % j)): 168 names['MED_' + str(i) + '_GUA'].append(addr) 169 170 # Step 2: Leader is sending properly formatted MLE Advertisements. 171 # Advertisements MUST be sent with an IP hop limit of 255 to 172 # the Link-Local All Nodes multicast address (FF02::1). 173 # The following TLVs MUST be present in the MLE Advertisements: 174 # - Leader Data TLV 175 # - Route64 TLV 176 # - Source Address TLV 177 178 pkts.filter_wpan_src64(LEADER).\ 179 filter_LLANMA().\ 180 filter_mle_cmd(MLE_ADVERTISEMENT).\ 181 filter(lambda p: { 182 LEADER_DATA_TLV, 183 ROUTE64_TLV, 184 SOURCE_ADDRESS_TLV 185 } <= set(p.mle.tlv.type) and\ 186 p.ipv6.hlim == 255).\ 187 must_next() 188 189 # Step 3: Send a ICMPv6 Echo Request to the MED_2 ML-EID 190 # The DUT MUST NOT send an Address Query Request 191 # MED_2 MUST respond with an ICMPv6 Echo Reply 192 193 _pkt = pkts.filter_ipv6_src_dst(MED_1_MLEID, MED_2_MLEID).\ 194 filter_ping_request().\ 195 must_next() 196 pkts.filter_wpan_src64(LEADER).\ 197 filter_RLARMA().\ 198 filter_coap_request(ADDR_QRY_URI, port=MM).\ 199 must_not_next() 200 pkts.filter_ipv6_src_dst(MED_2_MLEID, MED_1_MLEID).\ 201 filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ 202 must_next() 203 204 # Step 4-6: Send a ICMPv6 Echo Request to the MED_2 each GUA 205 # The DUT MUST NOT send an Address Query Request 206 # MED_2 MUST respond with an ICMPv6 Echo Reply 207 208 for med_1_addr, med_2_addr in zip(MED_1_GUA, MED_2_GUA): 209 _pkt = pkts.filter_ipv6_src_dst(med_1_addr, med_2_addr).\ 210 filter_ping_request().\ 211 must_next() 212 pkts.filter_wpan_src64(LEADER).\ 213 filter_RLARMA().\ 214 filter_coap_request(ADDR_QRY_URI, port=MM).\ 215 must_not_next() 216 pkts.filter_ipv6_src_dst(med_2_addr, med_1_addr).\ 217 filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ 218 must_next() 219 220 221if __name__ == '__main__': 222 unittest.main() 223