| #!/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(5) |
| self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader') |
| |
| self.nodes[BR].start() |
| self.simulator.go(5) |
| 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() |
