From 141208b9d328836ffd585ff6bb04c3bb1cf4b85f Mon Sep 17 00:00:00 2001 From: Jing Ma Date: Thu, 3 Dec 2020 04:01:58 +0800 Subject: [PATCH] [thread-cert] refactor case 5.3.9 using pktverify (#5823) --- .../thread-cert/Cert_5_3_09_AddressQuery.py | 263 ++++++++++++++---- 1 file changed, 203 insertions(+), 60 deletions(-) diff --git a/tests/scripts/thread-cert/Cert_5_3_09_AddressQuery.py b/tests/scripts/thread-cert/Cert_5_3_09_AddressQuery.py index e1aec98e1..5164cc937 100755 --- a/tests/scripts/thread-cert/Cert_5_3_09_AddressQuery.py +++ b/tests/scripts/thread-cert/Cert_5_3_09_AddressQuery.py @@ -32,42 +32,75 @@ import unittest import command import config +import copy import ipv6 import thread_cert +from pktverify.consts import WIRESHARK_OVERRIDE_PREFS, ADDR_QRY_URI, ADDR_NTF_URI, NL_ML_EID_TLV, NL_RLOC16_TLV, NL_TARGET_EID_TLV +from pktverify.packet_verifier import PacketVerifier +from pktverify.bytes import Bytes LEADER = 1 ROUTER1 = 2 DUT_ROUTER2 = 3 ROUTER3 = 4 SED1 = 5 +PREFIX_1 = '2001::/64' +GUA_1_START = '2001' +PREFIX_2 = '2002::/64' + +# Test Purpose and Description: +# ----------------------------- +# The purpose of this test case is to validate that the DUT is able to generate +# Address Query and Address Notification messages properly. +# The Leader is configured as a Border Router with DHCPv6 server for prefixes +# 2001:: & 2002:: +# +# Test Topology: +# ------------- +# Router_1 - Leader +# / \ +# Router_3 Router_2(DUT) +# | +# SED +# +# DUT Types: +# ---------- +# Router class Cert_5_3_09_AddressQuery(thread_cert.TestCase): + USE_MESSAGE_FACTORY = False + TOPOLOGY = { LEADER: { + 'name': 'LEADER', 'mode': 'rdn', 'panid': 0xface, 'allowlist': [ROUTER1, DUT_ROUTER2, ROUTER3] }, ROUTER1: { + 'name': 'ROUTER_1', 'mode': 'rdn', 'panid': 0xface, 'router_selection_jitter': 1, 'allowlist': [LEADER] }, DUT_ROUTER2: { + 'name': 'ROUTER_2', 'mode': 'rdn', 'panid': 0xface, 'router_selection_jitter': 1, 'allowlist': [LEADER, SED1] }, ROUTER3: { + 'name': 'ROUTER_3', 'mode': 'rdn', 'panid': 0xface, 'router_selection_jitter': 1, 'allowlist': [LEADER] }, SED1: { + 'name': 'SED', 'is_mtd': True, 'mode': '-', 'panid': 0xface, @@ -76,22 +109,22 @@ class Cert_5_3_09_AddressQuery(thread_cert.TestCase): }, } + # override wireshark preferences with case needed parameters + CASE_WIRESHARK_PREFS = copy.deepcopy(WIRESHARK_OVERRIDE_PREFS) + CASE_WIRESHARK_PREFS['6lowpan.context1'] = PREFIX_1 + CASE_WIRESHARK_PREFS['6lowpan.context2'] = PREFIX_2 + def test(self): # 1 & 2 ALL: Build and verify the topology self.nodes[LEADER].start() self.simulator.go(5) self.assertEqual(self.nodes[LEADER].get_state(), 'leader') - # Configure the LEADER to be a DHCPv6 Border Router for prefixes 2001:: - # & 2002:: - self.nodes[LEADER].add_prefix('2001::/64', 'pdros') - self.nodes[LEADER].add_prefix('2002::/64', 'pdro') + # Configure the LEADER to be a DHCPv6 Border Router for prefixes + self.nodes[LEADER].add_prefix(PREFIX_1, 'pdros') + self.nodes[LEADER].add_prefix(PREFIX_2, 'pdro') self.nodes[LEADER].register_netdata() - # Set lowpan context of sniffer - self.simulator.set_lowpan_context(1, '2001::/64') - self.simulator.set_lowpan_context(2, '2002::/64') - self.nodes[ROUTER1].start() self.simulator.go(5) self.assertEqual(self.nodes[ROUTER1].get_state(), 'router') @@ -108,85 +141,195 @@ class Cert_5_3_09_AddressQuery(thread_cert.TestCase): self.simulator.go(5) self.assertEqual(self.nodes[SED1].get_state(), 'child') + self.collect_rlocs() + self.collect_rloc16s() + self.collect_ipaddrs() + # 3 SED1: The SED1 sends an ICMPv6 Echo Request to ROUTER3 using GUA - # 2001:: address - router3_addr = self.nodes[ROUTER3].get_addr("2001::/64") + # PREFIX_1 address + router3_addr = self.nodes[ROUTER3].get_addr(PREFIX_1) self.assertTrue(router3_addr is not None) self.assertTrue(self.nodes[SED1].ping(router3_addr)) - # Verify DUT_ROUTER2 sent an Address Query Request - dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) - msg = dut_router2_messages.next_coap_message('0.02', '/a/aq') - msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS) - command.check_address_query( - msg, - self.nodes[DUT_ROUTER2], - config.REALM_LOCAL_ALL_ROUTERS_ADDRESS, - ) - - # Verify the DUT_ROUTER2 forwarded the ICMPv6 Echo Request to ROUTER3 - msg = dut_router2_messages.get_icmp_message(ipv6.ICMP_ECHO_REQUEST) - assert (msg is not None), "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Request to ROUTER3" - msg.assertSentToNode(self.nodes[ROUTER3]) - # 4 ROUTER1: ROUTER1 sends an ICMPv6 Echo Request to the SED1 using GUA - # 2001:: address - sed1_addr = self.nodes[SED1].get_addr("2001::/64") + # PREFIX_1 address + sed1_addr = self.nodes[SED1].get_addr(PREFIX_1) self.assertTrue(sed1_addr is not None) self.assertTrue(self.nodes[ROUTER1].ping(sed1_addr)) - - # Wait for sniffer got all Address Notification messages self.simulator.go(1) - # Verify DUT_ROUTER2 sent an Address Notification message - dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) - msg = dut_router2_messages.next_coap_message('0.02', '/a/an') - command.check_address_notification(msg, self.nodes[DUT_ROUTER2], self.nodes[ROUTER1]) - # 5 SED1: SED1 sends an ICMPv6 Echo Request to the ROUTER3 using GUA - # 2001:: address + # PREFIX_1 address self.assertTrue(self.nodes[SED1].ping(router3_addr)) - - # Wait for sniffer got the ICMPv6 Echo Reply self.simulator.go(1) - # Verify DUT_ROUTER2 didn't generate Address Query Request - dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) - dut_router2_messages_temp = copy.deepcopy(dut_router2_messages) - msg = dut_router2_messages.next_coap_message('0.02', '/a/aq', False) - assert (msg is None), "Error: The DUT_ROUTER2 sent an unexpected Address Query Request" - - # Verify DUT_ROUTER2 forwarded the ICMPv6 Echo Reply to SED1 - msg = dut_router2_messages_temp.get_icmp_message(ipv6.ICMP_ECHO_RESPONSE) - assert (msg is not None), "Error: The DUT_ROUTER2 didn't forward ICMPv6 Echo Reply to SED1" - msg.assertSentToNode(self.nodes[SED1]) - # 6 DUT_ROUTER2: Power off ROUTER3 and wait 580s to alow LEADER to # expire its Router ID self.nodes[ROUTER3].stop() self.simulator.go(580) - # The SED1 sends an ICMPv6 Echo Request to ROUTER3 GUA 2001:: address + # The SED1 sends an ICMPv6 Echo Request to ROUTER3 GUA PREFIX_1 address self.assertFalse(self.nodes[SED1].ping(router3_addr)) - - # Verify DUT_ROUTER2 sent an Address Query Request - dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) - msg = dut_router2_messages.next_coap_message('0.02', '/a/aq') - msg.assertSentToDestinationAddress(config.REALM_LOCAL_ALL_ROUTERS_ADDRESS) + self.simulator.go(1) # 7 SED1: Power off SED1 and wait to allow DUT_ROUTER2 to timeout the # child self.nodes[SED1].stop() - self.simulator.go(5) + self.simulator.go(3) + self.simulator.go(config.DEFAULT_CHILD_TIMEOUT) - # ROUTER1 sends two ICMPv6 Echo Requests to SED1 GUA 2001:: address + # ROUTER1 sends two ICMPv6 Echo Requests to SED1 GUA PREFIX_1 address self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr)) self.assertFalse(self.nodes[ROUTER1].ping(sed1_addr)) - # Verify DUT_ROUTER2 didn't generate an Address Notification message - dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2) - msg = dut_router2_messages.next_coap_message('0.02', '/a/an', False) - assert (msg is None), "Error: The DUT_ROUTER2 sent an unexpected Address Notification message" + def verify(self, pv): + pkts = pv.pkts + pv.summary.show() + + LEADER = pv.vars['LEADER'] + ROUTER_1 = pv.vars['ROUTER_1'] + ROUTER_1_RLOC = pv.vars['ROUTER_1_RLOC'] + ROUTER_2 = pv.vars['ROUTER_2'] + ROUTER_2_RLOC = pv.vars['ROUTER_2_RLOC'] + ROUTER_2_RLOC16 = pv.vars['ROUTER_2_RLOC16'] + ROUTER_3 = pv.vars['ROUTER_3'] + SED = pv.vars['SED'] + SED_RLOC16 = pv.vars['SED_RLOC16'] + MM = pv.vars['MM_PORT'] + GUA1 = {} + + for node in ('ROUTER_1', 'ROUTER_3', 'SED'): + for addr in pv.vars['%s_IPADDRS' % node]: + if addr.startswith(Bytes(GUA_1_START)): + GUA1[node] = addr + + # Step 1: Build the topology as described + + for i in range(1, 4): + pv.verify_attached('ROUTER_%d' % i, 'LEADER') + pv.verify_attached('SED', 'ROUTER_2', 'MTD') + + # Step 2: SED sends an ICMPv6 Echo Request to Router_3 using GUA 2001:: + # address + # The DUT MUST generate an Address Query Request on SED’s behalf + # to find each node’s RLOC. + # The Address Query Request MUST be sent to the Realm-Local + # All-Routers address (FF03::2) + # CoAP URI-Path + # - NON POST coap:// + # CoAP Payload + # - Target EID TLV + # The DUT MUST receive and process the incoming Address Query + # Response and forward the ICMPv6 Echo Reply packet to SED + + _pkt = pkts.filter_ping_request().\ + filter_wpan_src64(SED).\ + filter_ipv6_dst(GUA1['ROUTER_3']).\ + must_next() + pkts.filter_wpan_src64(ROUTER_2).\ + filter_RLARMA().\ + filter_coap_request(ADDR_QRY_URI, port=MM).\ + filter(lambda p: p.thread_address.tlv.target_eid == GUA1['ROUTER_3']).\ + must_next() + pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ + filter_wpan_src64(ROUTER_3).\ + filter_ipv6_dst(GUA1['SED']).\ + must_next() + pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ + filter_wpan_src64(ROUTER_2).\ + filter_wpan_dst16(SED_RLOC16).\ + must_next() + + # Step 3: Router_1 sends an ICMPv6 Echo Request to SED using GUA 2001:: + # addresss + # The DUT MUST respond to the Address Query Request with a properly + # formatted Address Notification Message: + # CoAP URI-Path + # - CON POST coap://[
]:MM/a/an + # CoAP Payload + # - ML-EID TLV + # - RLOC16 TLV + # - Target EID TLV + # The IPv6 Source address MUST be the RLOC of the originator + # The IPv6 Destination address MUST be the RLOC of the destination + + pkts.filter_wpan_src64(ROUTER_1).\ + filter_RLARMA().\ + filter_coap_request(ADDR_QRY_URI, port=MM).\ + filter(lambda p: p.thread_address.tlv.target_eid == GUA1['SED']).\ + must_next() + pkts.filter_ipv6_src_dst(ROUTER_2_RLOC, ROUTER_1_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 == GUA1['SED'] and\ + p.thread_address.tlv.rloc16 == ROUTER_2_RLOC16 + ).\ + must_next() + _pkt = pkts.filter_ping_request().\ + filter_wpan_src64(ROUTER_1).\ + filter_ipv6_dst(GUA1['SED']).\ + must_next() + pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ + filter_wpan_src64(SED).\ + filter_ipv6_dst(GUA1['ROUTER_1']).\ + must_next() + + # Step 5: SED sends an ICMPv6 Echo Request to Router_3 using GUA 2001:: + # address + # The DUT MUST not send an Address Query as Router_3 address should + # be cached. + # The DUT MUST forward the ICMPv6 Echo Reply to SED + + _pkt = pkts.filter_ping_request().\ + filter_wpan_src64(SED).\ + filter_ipv6_dst(GUA1['ROUTER_3']).\ + must_next() + lstart = pkts.index + pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ + filter_wpan_src64(ROUTER_3).\ + filter_ipv6_dst(GUA1['SED']).\ + must_next() + pkts.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier).\ + filter_wpan_src64(ROUTER_2).\ + filter_wpan_dst16(SED_RLOC16).\ + must_next() + lend = pkts.index + pkts.range(lstart, lend).filter_wpan_src64(ROUTER_2).\ + filter_RLARMA().\ + filter_coap_request(ADDR_QRY_URI, port=MM).\ + must_not_next() + + # Step 6: SED sends an ICMPv6 Echo Request to Router_3 using GUA 2001:: + # address + # The DUT MUST update its address cache and remove all entries + # based on Router_3’s Router ID. + # The DUT MUST send an Address Query to discover Router_3’s RLOC address. + pkts.filter_ping_request().\ + filter_wpan_src64(SED).\ + filter_ipv6_dst(GUA1['ROUTER_3']).\ + must_next() + pkts.filter_wpan_src64(ROUTER_2).\ + filter_RLARMA().\ + filter_coap_request(ADDR_QRY_URI, port=MM).\ + filter(lambda p: p.thread_address.tlv.target_eid == GUA1['ROUTER_3']).\ + must_next() + + # Step 7: Router_1 sends two ICMPv6 Echo Requests to SED using GUA 2001:: + # address + # The DUT MUST NOT respond with an Address Notification message + + pkts.filter_wpan_src64(ROUTER_2).\ + filter_ipv6_dst(ROUTER_1_RLOC).\ + filter_coap_request(ADDR_NTF_URI, port=MM).\ + must_not_next() + pkts.filter_ping_request().\ + filter_wpan_src64(ROUTER_1).\ + filter_ipv6_dst(GUA1['SED']).\ + must_next() if __name__ == '__main__':