| #!/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 mle |
| import thread_cert |
| from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, ADDR_ERR_URI, ADDR_QRY_URI, ADDR_NTF_URI, MLE_CHILD_ID_REQUEST, MLE_CHILD_ID_RESPONSE, REALM_LOCAL_ALL_ROUTERS_ADDRESS, NL_TARGET_EID_TLV, NL_RLOC16_TLV, NL_ML_EID_TLV |
| from pktverify.packet_verifier import PacketVerifier |
| |
| DUT_LEADER = 1 |
| ROUTER1 = 2 |
| ROUTER2 = 3 |
| MED1 = 4 |
| SED1 = 5 |
| MED2 = 6 |
| |
| MTDS = [MED1, SED1, MED2] |
| ON_MESH_PREFIX = '2001::/64' |
| IPV6_ADDR = '2001::1234' |
| |
| # Test Purpose and Description: |
| # ----------------------------- |
| # The purpose of this test case is to validate the DUT’s ability to perform |
| # duplicate address detection. |
| # |
| # Test Topology: |
| # ------------- |
| # MED_2 - Leader(DUT) |
| # / \ |
| # Router_1 Router_2 |
| # | | |
| # MED_1 SED |
| # |
| # DUT Types: |
| # ---------- |
| # Leader |
| |
| |
| class Cert_5_3_7_DuplicateAddress(thread_cert.TestCase): |
| USE_MESSAGE_FACTORY = False |
| |
| TOPOLOGY = { |
| DUT_LEADER: { |
| 'name': 'LEADER', |
| 'mode': 'rdn', |
| 'allowlist': [ROUTER1, ROUTER2, MED2] |
| }, |
| ROUTER1: { |
| 'name': 'ROUTER_1', |
| 'mode': 'rdn', |
| 'allowlist': [DUT_LEADER, MED1] |
| }, |
| ROUTER2: { |
| 'name': 'ROUTER_2', |
| 'mode': 'rdn', |
| 'allowlist': [DUT_LEADER, SED1] |
| }, |
| MED1: { |
| 'name': 'MED_1', |
| 'is_mtd': True, |
| 'mode': 'rn', |
| 'allowlist': [ROUTER1] |
| }, |
| SED1: { |
| 'name': 'SED', |
| 'is_mtd': True, |
| 'mode': '-', |
| 'allowlist': [ROUTER2] |
| }, |
| 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'] = ON_MESH_PREFIX |
| |
| def test(self): |
| self.nodes[DUT_LEADER].start() |
| self.simulator.go(5) |
| self.assertEqual(self.nodes[DUT_LEADER].get_state(), 'leader') |
| |
| for i in range(ROUTER1, MED2 + 1): |
| self.nodes[i].start() |
| self.simulator.go(5) |
| |
| for i in [ROUTER1, ROUTER2]: |
| self.assertEqual(self.nodes[i].get_state(), 'router') |
| |
| for i in MTDS: |
| self.assertEqual(self.nodes[i].get_state(), 'child') |
| |
| self.collect_ipaddrs() |
| self.collect_rlocs() |
| |
| self.nodes[ROUTER2].add_prefix(ON_MESH_PREFIX, 'paros') |
| self.nodes[ROUTER2].register_netdata() |
| |
| self.nodes[MED1].add_ipaddr(IPV6_ADDR) |
| self.nodes[SED1].add_ipaddr(IPV6_ADDR) |
| self.simulator.go(5) |
| |
| self.nodes[MED2].ping(IPV6_ADDR) |
| self.simulator.go(5) |
| |
| def verify(self, pv): |
| pkts = pv.pkts |
| pv.summary.show() |
| |
| LEADER = pv.vars['LEADER'] |
| LEADER_RLOC = pv.vars['LEADER_RLOC'] |
| ROUTER_1 = pv.vars['ROUTER_1'] |
| ROUTER_2 = pv.vars['ROUTER_2'] |
| MED_1 = pv.vars['MED_1'] |
| MED_2 = pv.vars['MED_2'] |
| SED = pv.vars['SED'] |
| MM = pv.vars['MM_PORT'] |
| |
| # Step 1: Ensure topology is formed correctly |
| for i in (1, 2): |
| pv.verify_attached('ROUTER_%d' % i, 'LEADER') |
| pv.verify_attached('MED_1', 'ROUTER_1', 'MTD') |
| pv.verify_attached('SED', 'ROUTER_2', 'MTD') |
| pv.verify_attached('MED_2', 'LEADER', 'MTD') |
| |
| # Step 5: MED_2 sends ICMPv6 Echo Request to address configured on MED_1 |
| # and SED_1 with Prefix 2001:: |
| # The DUT MUST multicast an Address Query message to the Realm-Local |
| # All Routers address (FF03::2): |
| # CoAP URI-Path |
| # - NON POST coap://<FF03::2> |
| # CoAP Payload |
| # - Target EID TLV |
| |
| pkts.filter_ping_request().\ |
| filter_wpan_src64(MED_2). \ |
| filter_ipv6_dst(IPV6_ADDR). \ |
| must_next() |
| pkts.filter_wpan_src64(LEADER).\ |
| filter_RLARMA().\ |
| filter_coap_request(ADDR_QRY_URI, port=MM).\ |
| filter(lambda p: p.thread_address.tlv.target_eid == IPV6_ADDR).\ |
| must_next() |
| |
| # Step 6: Router_1 & Router_2 respond with Address Notification message |
| # with matching Target TLVs |
| |
| for i in (1, 2): |
| with pkts.save_index(): |
| pkts.filter_wpan_src64(pv.vars['ROUTER_%d' %i]).\ |
| filter_ipv6_dst(LEADER_RLOC).\ |
| filter_coap_request(ADDR_NTF_URI, port=MM).\ |
| filter(lambda p: { |
| NL_ML_EID_TLV, |
| NL_RLOC16_TLV, |
| NL_TARGET_EID_TLV |
| } <= set(p.coap.tlv.type) and\ |
| p.thread_address.tlv.target_eid == IPV6_ADDR |
| ).\ |
| must_next() |
| |
| # Step 7: The DUT MUST multicast an Address Error Notification to the Realm-Local |
| # All Routers address (FF03::2): |
| # CoAP URI-Path |
| # - NON POST coap://[<peer address>]:MM/a/ae |
| # CoAP Payload |
| # - Target EID TLV |
| # - ML-EID TLV |
| # |
| # The IPv6 Source address MUST be the RLOC of the originator |
| |
| pkts.filter_ipv6_src_dst(LEADER_RLOC, REALM_LOCAL_ALL_ROUTERS_ADDRESS).\ |
| filter_coap_request(ADDR_ERR_URI, port=MM).\ |
| filter(lambda p: { |
| NL_ML_EID_TLV, |
| NL_TARGET_EID_TLV |
| } == set(p.coap.tlv.type) and\ |
| p.thread_address.tlv.target_eid == IPV6_ADDR |
| ).\ |
| must_next() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
