#!/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(config.LEADER_STARTUP_DELAY) 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:// # 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://[]: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()