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[scripts] MATN-TC-03: Thread device incorrectly attempts Commissioners (de)registration functions (#6435)
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#!/usr/bin/env python3
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#
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# Copyright (c) 2021, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import logging
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import pktverify
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from pktverify import packet_verifier
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from pktverify.consts import MA1
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import unittest
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import config
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import thread_cert
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# Test description:
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# The purpose of this test case is to verify that a Primary BBR ignores a
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# Timeout TLV if included in an MLR.req that does not contain a Commissioner
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# Session ID TLV nor is signed by a Commissioner.
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#
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# Topology:
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# ----------------(eth)------------------
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# | | |
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# BR1 (Leader) ----- BR2 HOST
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# | |
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# | |
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# Router_1------------+
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#
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BR_1 = 1
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BR_2 = 2
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ROUTER_1 = 3
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HOST = 4
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class MATN_03_InvalidCommissionerDeregistration(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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TOPOLOGY = {
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BR_1: {
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'name': 'BR_1',
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'is_otbr': True,
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'allowlist': [BR_2, ROUTER_1],
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'version': '1.2',
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'router_selection_jitter': 2,
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},
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BR_2: {
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'name': 'BR_2',
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'allowlist': [BR_1, ROUTER_1],
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'is_otbr': True,
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'version': '1.2',
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'router_selection_jitter': 2,
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},
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ROUTER_1: {
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'name': 'Router_1',
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'allowlist': [BR_1, BR_2],
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'version': '1.2',
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'router_selection_jitter': 2,
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},
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HOST: {
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'name': 'Host',
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'is_host': True
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},
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}
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def test(self):
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br1 = self.nodes[BR_1]
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br2 = self.nodes[BR_2]
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router = self.nodes[ROUTER_1]
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host = self.nodes[HOST]
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br1.start()
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self.simulator.go(5)
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self.assertEqual('leader', br1.get_state())
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self.assertTrue(br1.is_primary_backbone_router)
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router.start()
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self.simulator.go(5)
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self.assertEqual('router', router.get_state())
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br2.start()
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self.simulator.go(5)
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self.assertEqual('router', router.get_state())
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self.assertFalse(br2.is_primary_backbone_router)
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host.start(start_radvd=False)
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self.simulator.go(5)
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router.add_ipmaddr(MA1)
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self.simulator.go(5)
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# Ensure that router can receive a multicast ping packet sent to MA1.
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self.assertTrue(
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host.ping(MA1, backbone=True, ttl=10, interface=host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0]))
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self.simulator.go(5)
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# 1. Router attempts to deregister for multicast address, MA1, at BR_1.
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router.register_multicast_listener(MA1, timeout=0)
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# 3. Host sends a ping packet to the multicast address, MA1.
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self.assertTrue(
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host.ping(MA1, backbone=True, ttl=10, interface=host.get_ip6_address(config.ADDRESS_TYPE.ONLINK_ULA)[0]))
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self.simulator.go(5)
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self.collect_ipaddrs()
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self.collect_rloc16s()
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self.collect_rlocs()
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self.collect_leader_aloc(BR_1)
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self.collect_extra_vars()
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def verify(self, pv: pktverify.packet_verifier.PacketVerifier):
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pkts = pv.pkts
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vars = pv.vars
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pv.summary.show()
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# Ensure the topology is formed correctly
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pv.verify_attached('Router_1', 'BR_1')
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pv.verify_attached('BR_2')
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# 1. Router attempts to deregister for multicast address, MA1, at BR_1.
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# Router unicasts an MLR.req CoAP request to BR_1 as follows:
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# coap://[<BR_1 RLOC>]:MM/n/mr
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# Where the payload contains:
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# IPv6 Addresses TLV: MA1
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# Timeout TLV: 0
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pkts.filter_wpan_src64(vars['Router_1']) \
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.filter_ipv6_2dsts(vars['BR_1_RLOC'], vars['LEADER_ALOC']) \
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.filter_coap_request('/n/mr') \
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.filter(lambda p: p.thread_meshcop.tlv.ipv6_addr == [MA1] and
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p.thread_nm.tlv.timeout == 0) \
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.must_next()
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# 2. BR_1 responds to the multicast registration successfully,
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# ignoring the timeout value.
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pkts.filter_wpan_src64(vars['BR_1']) \
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.filter_ipv6_dst(vars['Router_1_RLOC']) \
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.filter_coap_ack('/n/mr') \
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.filter(lambda p: p.thread_nm.tlv.status == 0) \
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.must_next()
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# 3. Host sends a ping packet to the multicast address, MA1.
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_pkt = pkts.filter_eth_src(vars['Host_ETH']) \
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.filter_ipv6_dst(MA1) \
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.filter_ping_request() \
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.must_next()
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# 4. BR_1 forwards the ping packet with multicast address, MA1, to its
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# Thread Network encapsulated in an MPL packet.
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pkts.filter_wpan_src64(vars['BR_1']) \
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.filter_AMPLFMA(mpl_seed_id=vars['BR_1_RLOC']) \
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.filter_ping_request(identifier=_pkt.icmpv6.echo.identifier) \
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.must_next()
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# 5. Router receives the MPL packet containing an encapsulated ping
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# packet to MA1, sent by Host, and unicasts a ping response packet back
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# to Host.
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pkts.filter_wpan_src64(vars['Router_1']) \
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.filter_ipv6_dst(_pkt.ipv6.src) \
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.filter_ping_reply(identifier=_pkt.icmpv6.echo.identifier) \
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.must_next()
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if __name__ == '__main__':
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unittest.main()
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@@ -1182,6 +1182,7 @@ class NodeImpl:
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def register_multicast_listener(self, *ipaddrs: Union[ipaddress.IPv6Address, str], timeout=None):
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assert len(ipaddrs) > 0, ipaddrs
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ipaddrs = map(str, ipaddrs)
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cmd = f'mlr reg {" ".join(ipaddrs)}'
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if timeout is not None:
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cmd += f' {int(timeout)}'
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@@ -345,7 +345,7 @@ class TestMulticastListenerRegistration(thread_cert.TestCase):
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# Use ROUTER_1_2 as the Commissioner
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commissioiner = self.nodes[ROUTER_1_2]
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self.assertRaisesRegex(Exception, "InvalidState", lambda: commissioiner.register_multicast_listener("ff04::1"))
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self.assertEqual((0, []), commissioiner.register_multicast_listener("ff04::1"))
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commissioiner.commissioner_start()
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self.simulator.go(10)
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