#!/usr/bin/env python3 # # Copyright (c) 2016, The OpenThread Authors. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. Neither the name of the copyright holder nor the # names of its contributors may be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # import unittest import command import config import copy import ipv6 import mle import thread_cert from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, MLE_ADVERTISEMENT, ADDR_QRY_URI, SOURCE_ADDRESS_TLV, ROUTE64_TLV, LEADER_DATA_TLV from pktverify.packet_verifier import PacketVerifier from pktverify.bytes import Bytes DUT_LEADER = 1 BR = 2 MED1 = 3 MED2 = 4 MTDS = [MED1, MED2] # Test Purpose and Description: # ----------------------------- # The purpose of this test case is to validate that the DUT MTD Child Address Set # can hold at least 4 IPv6 non-link-local addresses. # # Test Topology: # ------------- # MED_1 # | # BR - Leader(DUT) - MED_2 # # DUT Types: # ---------- # Leader class Cert_5_3_8_ChildAddressSet(thread_cert.TestCase): USE_MESSAGE_FACTORY = False TOPOLOGY = { DUT_LEADER: { 'name': 'LEADER', 'mode': 'rdn', 'allowlist': [BR, MED1, MED2] }, BR: { 'mode': 'rdn', 'allowlist': [DUT_LEADER] }, MED1: { 'name': 'MED_1', 'is_mtd': True, 'mode': 'rn', 'allowlist': [DUT_LEADER] }, MED2: { 'name': 'MED_2', 'is_mtd': True, 'mode': 'rn', 'allowlist': [DUT_LEADER] }, } # override wireshark preferences with case needed parameters CASE_WIRESHARK_PREFS = copy.deepcopy(WIRESHARK_OVERRIDE_PREFS) CASE_WIRESHARK_PREFS['6lowpan.context1'] = '2001::/64' CASE_WIRESHARK_PREFS['6lowpan.context2'] = '2002::/64' CASE_WIRESHARK_PREFS['6lowpan.context3'] = '2003::/64' def test(self): self.nodes[DUT_LEADER].start() self.simulator.go(config.LEADER_STARTUP_DELAY) self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader') self.nodes[BR].start() self.simulator.go(config.ROUTER_STARTUP_DELAY) self.assertEqual(self.nodes[BR].get_state(), 'router') # 1 BR: Configure BR to be a DHCPv6 server self.nodes[BR].add_prefix('2001::/64', 'pdros') self.nodes[BR].add_prefix('2002::/64', 'pdros') self.nodes[BR].add_prefix('2003::/64', 'pdros') self.nodes[BR].register_netdata() # 3 MED1, MED2: MED1 and MED2 attach to DUT_LEADER for i in MTDS: self.nodes[i].start() self.simulator.go(5) self.assertEqual(self.nodes[i].get_state(), 'child') self.collect_ipaddrs() # 4 MED1: MED1 send an ICMPv6 Echo Request to the MED2 ML-EID med2_ml_eid = self.nodes[MED2].get_ip6_address(config.ADDRESS_TYPE.ML_EID) self.assertTrue(med2_ml_eid is not None) self.assertTrue(self.nodes[MED1].ping(med2_ml_eid)) # Wait for sniffer got packets self.simulator.go(1) # 5 MED1: MED1 send an ICMPv6 Echo Request to the MED2 2001::GUA addr = self.nodes[MED2].get_addr("2001::/64") self.assertTrue(addr is not None) self.assertTrue(self.nodes[MED1].ping(addr)) # Wait for sniffer got packets self.simulator.go(1) # 6 MED1: MED1 send an ICMPv6 Echo Request to the MED2 2002::GUA addr = self.nodes[MED2].get_addr("2002::/64") self.assertTrue(addr is not None) self.assertTrue(self.nodes[MED1].ping(addr)) # Wait for sniffer got packets self.simulator.go(1) # 7 MED1: MED1 send an ICMPv6 Echo Request to the MED2 2003::GUA addr = self.nodes[MED2].get_addr("2003::/64") self.assertTrue(addr is not None) self.assertTrue(self.nodes[MED1].ping(addr)) # Wait for sniffer got packets self.simulator.go(1) def verify(self, pv): pkts = pv.pkts pv.summary.show() LEADER = pv.vars['LEADER'] MED_1 = pv.vars['MED_1'] MED_1_MLEID = pv.vars['MED_1_MLEID'] MED_2 = pv.vars['MED_2'] MED_2_MLEID = pv.vars['MED_2_MLEID'] MED_1_GUA = list() MED_2_GUA = list() MM = pv.vars['MM_PORT'] names = locals() for i in (1, 2): for addr in pv.vars['MED_%d_IPADDRS' % i]: for j in range(1, 4): if addr.startswith(Bytes('200%d' % j)): names['MED_' + str(i) + '_GUA'].append(addr) # Step 2: Leader is sending properly formatted MLE Advertisements. # Advertisements MUST be sent with an IP hop limit of 255 to # the Link-Local All Nodes multicast address (FF02::1). # The following TLVs MUST be present in the MLE Advertisements: # - Leader Data TLV # - Route64 TLV # - Source Address TLV pkts.filter_wpan_src64(LEADER).\ filter_LLANMA().\ filter_mle_cmd(MLE_ADVERTISEMENT).\ filter(lambda p: { LEADER_DATA_TLV, ROUTE64_TLV, SOURCE_ADDRESS_TLV } <= set(p.mle.tlv.type) and\ p.ipv6.hlim == 255).\ must_next() # Step 3: Send a ICMPv6 Echo Request to the MED_2 ML-EID # The DUT MUST NOT send an Address Query Request # MED_2 MUST respond with an ICMPv6 Echo Reply _pkt = pkts.filter_ipv6_src_dst(MED_1_MLEID, MED_2_MLEID).\ filter_ping_request().\ must_next() pkts.filter_wpan_src64(LEADER).\ filter_RLARMA().\ filter_coap_request(ADDR_QRY_URI, port=MM).\ must_not_next() pkts.filter_ipv6_src_dst(MED_2_MLEID, MED_1_MLEID).\ filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ must_next() # Step 4-6: Send a ICMPv6 Echo Request to the MED_2 each GUA # The DUT MUST NOT send an Address Query Request # MED_2 MUST respond with an ICMPv6 Echo Reply for med_1_addr, med_2_addr in zip(MED_1_GUA, MED_2_GUA): _pkt = pkts.filter_ipv6_src_dst(med_1_addr, med_2_addr).\ filter_ping_request().\ must_next() pkts.filter_wpan_src64(LEADER).\ filter_RLARMA().\ filter_coap_request(ADDR_QRY_URI, port=MM).\ must_not_next() pkts.filter_ipv6_src_dst(med_2_addr, med_1_addr).\ filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ must_next() if __name__ == '__main__': unittest.main()