mirror of
https://github.com/espressif/openthread.git
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Jonathan Hui
240acdffaa
This commit adds a new Nexus test case 1_3_SRP_TC_3 which implements the test specification for service instance lease renewal and automatic service/host removal. The test covers: - SRP service registration and discovery via DNS and mDNS. - SRP lease renewal before expiration. - Automatic removal of SRP services and hosts after lease expiration. - Verification of DNS and mDNS responses after lease expiration, ensuring that expired records are no longer returned. Changes: - Add tests/nexus/test_1_3_SRP_TC_3.cpp for test execution. - Add tests/nexus/verify_1_3_SRP_TC_3.py for pcap verification. - Update tests/nexus/CMakeLists.txt to include the new test. - Update tests/nexus/run_nexus_tests.sh to add it to DEFAULT_TESTS.
475 lines
20 KiB
Python
475 lines
20 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (c) 2026, 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 sys
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import os
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import struct
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# Add the current directory to sys.path to find verify_utils
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CUR_DIR = os.path.dirname(os.path.abspath(__file__))
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sys.path.append(CUR_DIR)
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import verify_utils
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from pktverify import consts
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from pktverify.addrs import Ipv6Addr, EthAddr
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from pktverify.bytes import Bytes
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def verify(pv):
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#
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# 2.3. [1.3] [CERT] Service Instance Lease - Renewal and Automatic Service/Host Removal
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#
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# 2.3.1. Purpose
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# To test the following:
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# - Handle lease renewal before lease expiration.
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# - Handle service/host lease expiration and removal of the service/host.
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#
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# 2.3.2. Topology
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# - 1. BR_1 (DUT)-Thread Border Router and the Leader
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# - 2. ED_1-Test Bed device operating as a Thread End Device, attached to BR_1
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# - 3. Eth 1-Test Bed border router device on an Adjacent Infrastructure Link
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#
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# Spec Reference | V1.3.0 Section
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# -------------------------|---------------
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# DNS-SD Unicast Dataset | 14.3.2.2
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pkts = pv.pkts
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pv.summary.show()
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ED_1_MLEID = Ipv6Addr(pv.vars['ED_1_MLEID_ADDR'])
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ED_1_OMR = Ipv6Addr(pv.vars['ED_1_OMR_ADDR'])
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BR_1_MLEID = Ipv6Addr(pv.vars['BR_1_MLEID_ADDR'])
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br1_srp_port = int(pv.vars['BR_1_SRP_PORT'])
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BR_1_ETH = EthAddr(pv.vars['BR_1_ETH'])
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SRP_SERVICE_NAME = '_thread-test._udp.default.service.arpa'
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SRP_INSTANCE_NAME = 'service-test-1.' + SRP_SERVICE_NAME
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SRP_HOST_NAME = 'host-test-1.default.service.arpa'
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MDNS_SERVICE_NAME = '_thread-test._udp.local'
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MDNS_INSTANCE_NAME = 'service-test-1.' + MDNS_SERVICE_NAME
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MDNS_HOST_NAME = 'host-test-1.local'
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SRP_SERVICE_PORT = 55555
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SERVICE_ID_SRP_SERVER = 93
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SRP_LEASE = 30
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SRP_KEY_LEASE = 600
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SRP_LEASE_DATA = Bytes(struct.pack('>II', SRP_LEASE, SRP_KEY_LEASE).hex())
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def verify_srp_update(pkts, dst, src, srp_port, instance_name, service_port, host_name, omr_addr, lease_data):
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return pkts.\
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filter_ipv6_dst(dst).\
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filter_ipv6_src(src).\
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filter(lambda p: p.udp.dstport == srp_port).\
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filter(lambda p: p.dns.flags.opcode == 5).\
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filter(lambda p: instance_name in verify_utils.as_list(p.dns.resp.name)).\
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filter(lambda p: service_port is None or service_port in verify_utils.as_list(p.dns.srv.port)).\
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filter(lambda p: host_name is None or host_name in verify_utils.as_list(p.dns.srv.target)).\
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filter(lambda p: omr_addr in verify_utils.as_list(p.dns.aaaa)).\
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filter(lambda p: lease_data in verify_utils.as_list(p.dns.opt.data)).\
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must_next()
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# Step 1
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Enable: switch on.
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# - Pass Criteria:
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# - N/A
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print("Step 1: BR 1 (DUT) switch on.")
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# Step 2
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# - Device: Eth 1, ED 1
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# - Description (SRP-2.3): Enable
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# - Pass Criteria:
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# - N/A
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print("Step 2: Eth 1, ED 1 Enable.")
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# Step 3
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically adds SRP Server information in the Thread Network Data. Automatically
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# provides an OMR prefix to the Thread Network.
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# - Pass Criteria:
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# - The DUT's SRP Server information MUST appear in the Thread Network Data. This can be verified as specified
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# in test case 2.1 step 3.
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# - Specifically, it MUST include a DNS-SD Unicast Dataset as per [ThreadSpec] 14.3.2.2.
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# - S_service_data Length MUST be 1 or 19
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print("Step 3: BR 1 (DUT) adds SRP Server information in the Thread Network Data.")
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pkts.\
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filter_mle_cmd(consts.MLE_DATA_RESPONSE).\
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filter(lambda p: SERVICE_ID_SRP_SERVER in verify_utils.as_list(p.thread_nwd.tlv.service.srp_dataset_identifier)).\
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filter(lambda p: any(l in (1, 19) for l in verify_utils.as_list(p.thread_nwd.tlv.service.s_data_len))).\
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must_next()
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# Step 4
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# - Device: ED 1
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# - Description (SRP-2.3): Harness instructs the device to send SRP Update to DUT: $ORIGIN default.service.arpa.
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# service-test-1._thread-test._udp ( SRV 0 0 55555 host-test-1 ) host-test-1 AAAA <OMR address of ED_1> with the
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# following options: Update Lease Option, Lease: 30 seconds, Key Lease: 10 minutes. Harness
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# instructs/configures device to avoid automatic renewal or resending of this SRP Update.
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# - Pass Criteria:
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# - N/A
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print("Step 4: ED 1 sends SRP Update to DUT.")
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verify_srp_update(pkts, BR_1_MLEID, ED_1_MLEID, br1_srp_port, SRP_INSTANCE_NAME, SRP_SERVICE_PORT, SRP_HOST_NAME,
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ED_1_OMR, SRP_LEASE_DATA)
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# Step 5
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends SRP Update Response.
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# - Pass Criteria:
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# - The DUT MUST send a valid SRP Update Response, with RCODE=0 (NoError).
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print("Step 5: BR 1 (DUT) sends SRP Update Response.")
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pkts.\
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filter_ipv6_dst(ED_1_MLEID).\
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filter_ipv6_src(BR_1_MLEID).\
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filter(lambda p: p.udp.srcport == br1_srp_port).\
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filter(lambda p: p.dns.flags.response == 1).\
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filter(lambda p: p.dns.flags.rcode == 0).\
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must_next()
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# Step 6
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# - Device: ED 1
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# - Description (SRP-2.3): Harness instructs the device to unicast DNS query QType SRV to the DUT for service
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# "service-test-1._thread-test._udp.default.service.arpa"
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# - Pass Criteria:
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# - N/A
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print("Step 6: ED 1 sends unicast DNS query QType SRV.")
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pkts.\
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filter_ipv6_dst(BR_1_MLEID).\
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filter_ipv6_src(ED_1_MLEID).\
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filter(lambda p: p.udp.dstport == 53).\
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filter(lambda p: p.dns.flags.response == 0).\
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filter(lambda p: SRP_INSTANCE_NAME in verify_utils.as_list(p.dns.qry.name)).\
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must_next()
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# Step 7
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends DNS response.
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# - Pass Criteria:
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# - The DUT MUST send a valid DNS Response and contain in Answers section: $ORIGIN default.service.arpa.
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# service-test-1._thread-test._udp ( SRV 0 0 55555 host-test-1 )
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# - The DNS Response MAY contain in Additional records section: $ORIGIN default.service.arpa. host-test-1 AAAA
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# <OMR address of ED_1>
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print("Step 7: BR 1 (DUT) sends DNS response.")
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pkts.\
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filter_ipv6_dst(ED_1_MLEID).\
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filter_ipv6_src(BR_1_MLEID).\
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filter(lambda p: p.udp.srcport == 53).\
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filter(lambda p: p.dns.flags.response == 1).\
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filter(lambda p: p.dns.flags.rcode == 0).\
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filter(lambda p: SRP_INSTANCE_NAME in verify_utils.as_list(p.dns.resp.name)).\
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filter(lambda p: SRP_SERVICE_PORT in verify_utils.as_list(p.dns.srv.port)).\
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filter(lambda p: SRP_HOST_NAME in verify_utils.as_list(p.dns.srv.target)).\
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must_next()
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# Step 8
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# - Device: Eth_1
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# - Description (SRP-2.3): Harness instructs the device to send mDNS query QType SRV for
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# "service-test-1._thread-test._udp.local."
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# - Pass Criteria:
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# - N/A
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print("Step 8: Eth 1 sends mDNS query QType SRV.")
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pkts.\
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filter_ipv6_dst('ff02::fb').\
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filter(lambda p: p.udp.dstport == 5353).\
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filter(lambda p: p.mdns.flags.response == 0).\
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filter(lambda p: MDNS_INSTANCE_NAME in verify_utils.as_list(p.mdns.qry.name)).\
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must_next()
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# Step 9
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends mDNS Response.
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# - Pass Criteria:
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# - The DUT MUST send a valid mDNS Response and contain in Answers section: $ORIGIN local.
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# Service-test-1._thread-test._udp ( SRV 0 0 55555 host-test-1 )
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# - The DNS Response MAY contain in Additional records section: $ORIGIN local. Host-test-1 AAAA <OMR address of
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# ED_1>
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print("Step 9: BR 1 (DUT) sends mDNS Response.")
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pkts.\
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filter(lambda p: p.eth.src == BR_1_ETH).\
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filter(lambda p: p.udp.dstport == 5353).\
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filter(lambda p: p.mdns.flags.response == 1).\
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filter(lambda p: MDNS_INSTANCE_NAME in verify_utils.as_list(p.mdns.resp.name)).\
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filter(lambda p: SRP_SERVICE_PORT in verify_utils.as_list(p.mdns.srv.port)).\
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filter(lambda p: MDNS_HOST_NAME in verify_utils.as_list(p.mdns.srv.target)).\
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must_next()
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# Step 10
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# - Device: N/A
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# - Description (SRP-2.3): Harness waits for 15 seconds.
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# - Pass Criteria:
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# - N/A
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print("Step 10: Harness waits for 15 seconds.")
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# Step 11
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# - Device: ED 1
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# - Description (SRP-2.3): Harness instructs the device to send SRP Update to the DUT to renew the service lease:
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# $ORIGIN default.service.arpa. service-test-1._thread-test._udp ( SRV 0 0 55555 host-test-1 ) host-test-1 AAAA
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# <OMR address of ED_1> with the following options: Update Lease Option, Lease: 30 seconds, Key Lease: 10
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# minutes. Harness instructs/configures the device to avoid automatic renewal or resending of this SRP Update.
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# - Pass Criteria:
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# - N/A
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print("Step 11: ED 1 sends SRP Update to renew the service lease.")
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verify_srp_update(pkts, BR_1_MLEID, ED_1_MLEID, br1_srp_port, SRP_INSTANCE_NAME, None, None, ED_1_OMR,
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SRP_LEASE_DATA)
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# Step 12
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends SRP Update Response.
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# - Pass Criteria:
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# - The DUT MUST send a valid SRP Update Response, with RCODE=0 (NoError).
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print("Step 12: BR 1 (DUT) sends SRP Update Response.")
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pkts.\
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filter_ipv6_dst(ED_1_MLEID).\
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filter_ipv6_src(BR_1_MLEID).\
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filter(lambda p: p.udp.srcport == br1_srp_port).\
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filter(lambda p: p.dns.flags.response == 1).\
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filter(lambda p: p.dns.flags.rcode == 0).\
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must_next()
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# Step 13
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# - Device: N/A
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# - Description (SRP-2.3): Harness waits for 16 seconds.
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# - Pass Criteria:
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# - N/A
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print("Step 13: Harness waits for 16 seconds.")
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# Step 14
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# - Device: ED 1
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# - Description (SRP-2.3): Harness instructs the device to unicast DNS query QType SRV to the DUT for service
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# "service-test-1._thread-test._udp.default.service.arpa"
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# - Pass Criteria:
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# - N/A
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print("Step 14: ED 1 sends unicast DNS query QType SRV.")
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pkts.\
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filter_ipv6_dst(BR_1_MLEID).\
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filter_ipv6_src(ED_1_MLEID).\
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filter(lambda p: p.udp.dstport == 53).\
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filter(lambda p: p.dns.flags.response == 0).\
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filter(lambda p: SRP_INSTANCE_NAME in verify_utils.as_list(p.dns.qry.name)).\
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must_next()
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# Step 15
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends DNS response.
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# - Pass Criteria:
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# - The DUT MUST send a valid DNS Response and contain answer record: $ORIGIN default.service.arpa.
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# service-test-1._thread-test._udp ( SRV 0 0 55555 host-test-1 )
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# - The DNS Response MAY contain in Additional records section: $ORIGIN default.service.arpa. host-test-1 AAAA
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# <OMR address of ED_1>
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print("Step 15: BR 1 (DUT) sends DNS response.")
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pkts.\
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filter_ipv6_dst(ED_1_MLEID).\
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filter_ipv6_src(BR_1_MLEID).\
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filter(lambda p: p.udp.srcport == 53).\
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filter(lambda p: p.dns.flags.response == 1).\
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filter(lambda p: p.dns.flags.rcode == 0).\
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filter(lambda p: SRP_INSTANCE_NAME in verify_utils.as_list(p.dns.resp.name)).\
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filter(lambda p: SRP_SERVICE_PORT in verify_utils.as_list(p.dns.srv.port)).\
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filter(lambda p: SRP_HOST_NAME in verify_utils.as_list(p.dns.srv.target)).\
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must_next()
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# Step 16
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# - Device: Eth 1
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# - Description (SRP-2.3): Harness instructs the device to send mDNS query QType PTR for any services of type
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# "_thread-test._udp.local."
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# - Pass Criteria:
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# - N/A
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print("Step 16: Eth 1 sends mDNS query QType PTR.")
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pkts.\
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filter_ipv6_dst('ff02::fb').\
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filter(lambda p: p.udp.dstport == 5353).\
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filter(lambda p: p.mdns.flags.response == 0).\
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filter(lambda p: MDNS_SERVICE_NAME in verify_utils.as_list(p.mdns.qry.name)).\
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must_next()
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# Step 17
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends mDNS Response.
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# - Pass Criteria:
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# - The DUT MUST send a valid mDNS Response and contain answer record: $ORIGIN local. _thread-test._udp ( PTR
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# service-test-1._thread-test._udp )
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# - THe DNS Response MAY contain in Additional records section: $ORIGIN local. Service-test-1_thread-test._udp (
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# SRV 0 0 55555 host-test-1 ) host-test-1 AAAA <OMR address of ED_1>
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print("Step 17: BR 1 (DUT) sends mDNS Response.")
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pkts.\
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filter(lambda p: p.eth.src == BR_1_ETH).\
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filter(lambda p: p.udp.dstport == 5353).\
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filter(lambda p: p.mdns.flags.response == 1).\
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filter(lambda p: MDNS_INSTANCE_NAME in verify_utils.as_list(p.mdns.ptr.domain_name)).\
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must_next()
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# Step 18
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# - Device: N/A
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# - Description (SRP-2.3): Harness waits 15 seconds for the service lease to expire. Note: Both service and host
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# entries should expire now, after >= 31 seconds after last registration update. But the KEY record registration
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# remains active for both names.
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# - Pass Criteria:
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# - N/A
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print("Step 18: Harness waits 15 seconds for the service lease to expire.")
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# Step 19
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# - Device: ED 1
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# - Description (SRP-2.3): Harness instructs the device to unicast DNS query QType SRV to the DUT for service
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# instance name "service-test-1._thread-test._udp.default.service.arpa"
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# - Pass Criteria:
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# - N/A
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print("Step 19: ED 1 sends unicast DNS query QType SRV.")
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pkts.\
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filter_ipv6_dst(BR_1_MLEID).\
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filter_ipv6_src(ED_1_MLEID).\
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filter(lambda p: p.udp.dstport == 53).\
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filter(lambda p: p.dns.flags.response == 0).\
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filter(lambda p: SRP_INSTANCE_NAME in verify_utils.as_list(p.dns.qry.name)).\
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must_next()
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# Step 20
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): Automatically sends DNS response but no matching SRV records. Note: only the key lease
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# is still active on the service instance name. The DUT's response may vary as shown on the right, depending on
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# implementation.
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# - Pass Criteria:
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# - The DUT MUST send a valid DNS Response and MUST be one of the below:
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# - 1. RCODE=0 (NoError) with 0 answer records.
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# - 2. RCODE=3 (NxDomain) with 0 answer records.
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print("Step 20: BR 1 (DUT) sends DNS response (no SRV).")
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pkts.\
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filter_ipv6_dst(ED_1_MLEID).\
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filter_ipv6_src(BR_1_MLEID).\
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filter(lambda p: p.udp.srcport == 53).\
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filter(lambda p: p.dns.flags.response == 1).\
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filter(lambda p: p.dns.flags.rcode in (0, 3)).\
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filter(lambda p: p.dns.count.answers == 0).\
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must_next()
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# Step 21
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# - Device: ED 1
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# - Description (SRP-2.3): (Reserved for TBD future unicast DNS query QTYPE=ANY to the DUT for records for name
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# "host-test-1.default.service.arpa".)
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# - Pass Criteria:
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# - N/A
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print("Step 21: ED 1 reserved step.")
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# Step 22
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# - Device: BR 1 (DUT)
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# - Description (SRP-2.3): (Reserved for TBD future: Automatically sends DNS response.) Note: because the key
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# lease is still active, the KEY record is optionally returned in response to the "ANY" query.
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# - Pass Criteria:
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# - N/A
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print("Step 22: BR 1 (DUT) reserved step.")
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|
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# Step 23
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# - Device: Eth 1
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# - Description (SRP-2.3): Harness instructs device to send mDNS query QType=SRV for
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# "service-test-1._thread-test_udp.local."
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# - Pass Criteria:
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# - N/A
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print("Step 23: Eth 1 sends mDNS query QType SRV.")
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pkts.\
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filter_ipv6_dst('ff02::fb').\
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filter(lambda p: p.udp.dstport == 5353).\
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filter(lambda p: p.mdns.flags.response == 0).\
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filter(lambda p: MDNS_INSTANCE_NAME in verify_utils.as_list(p.mdns.qry.name)).\
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must_next()
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|
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def verify_optional_mdns_no_answer_response():
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with pkts.save_index():
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responses = pkts.\
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filter(lambda p: p.eth.src == BR_1_ETH).\
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filter(lambda p: p.udp.dstport == 5353).\
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|
filter(lambda p: p.mdns.flags.response == 1)
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|
p = responses.next()
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|
if p:
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p.must_verify(lambda p: p.mdns.flags.rcode == 0 and
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|
(p.mdns.count.answers == 0 or hasattr(p.mdns, 'nsec')))
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|
|
|
# Step 24
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|
# - Device: BR 1 (DUT)
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|
# - Description (SRP-2.3): Does not respond to mDNS query, or automatically responds NSEC, or no-error-no-answer.
|
|
# - Pass Criteria:
|
|
# - The DUT MUST perform one of below options:
|
|
# - 1. Sends RCODE=0 (NoError) and NSEC Answer record.
|
|
# - 2. MUST NOT send any mDNS response.
|
|
# - 3. Sends RCODE=0 (NoError) and 0 Answer records.
|
|
print("Step 24: BR 1 (DUT) mDNS verification for Step 23.")
|
|
verify_optional_mdns_no_answer_response()
|
|
|
|
# Step 25
|
|
# - Device: Eth_1
|
|
# - Description (SRP-2.3): Harness instructs the device to send mDNS query QType=PTR for any services of type
|
|
# "_thread-test._udp.local."
|
|
# - Pass Criteria:
|
|
# - N/A
|
|
print("Step 25: Eth 1 sends mDNS query QType PTR.")
|
|
pkts.\
|
|
filter_ipv6_dst('ff02::fb').\
|
|
filter(lambda p: p.udp.dstport == 5353).\
|
|
filter(lambda p: p.mdns.flags.response == 0).\
|
|
filter(lambda p: MDNS_SERVICE_NAME in verify_utils.as_list(p.mdns.qry.name)).\
|
|
must_next()
|
|
|
|
# Step 26
|
|
# - Device: BR 1 (DUT)
|
|
# - Description (SRP-2.3): Does not respond to mDNS query, or automatically responds NSEC, or no-error-no-answer.
|
|
# - Pass Criteria:
|
|
# - The DUT MUST perform one of below options:
|
|
# - 1. Sends RCODE=0 (NoError) and NSEC Answer record.
|
|
# - 2. MUST NOT send any mDNS response.
|
|
# - 3. Sends RCODE=0 (NoError) and 0 Answer records.
|
|
print("Step 26: BR 1 (DUT) mDNS verification for Step 25.")
|
|
verify_optional_mdns_no_answer_response()
|
|
|
|
# Step 27
|
|
# - Device: Eth 1
|
|
# - Description (SRP-2.3): Harness instructs device to send mDNS query for Qtype AAAA for name "host-test-1.local."
|
|
# - Pass Criteria:
|
|
# - N/A
|
|
print("Step 27: Eth 1 sends mDNS query for QType AAAA.")
|
|
pkts.\
|
|
filter_ipv6_dst('ff02::fb').\
|
|
filter(lambda p: p.udp.dstport == 5353).\
|
|
filter(lambda p: p.mdns.flags.response == 0).\
|
|
filter(lambda p: MDNS_HOST_NAME in verify_utils.as_list(p.mdns.qry.name)).\
|
|
must_next()
|
|
|
|
# Step 28
|
|
# - Device: BR 1 (DUT)
|
|
# - Description (SRP-2.3): Does not respond to mDNS query, or automatically responds NSEC, or no-error-no-answer.
|
|
# Note: this indicates the DUT is authoritative for the host name, but has no AAAA records to answer for the
|
|
# name.
|
|
# - Pass Criteria:
|
|
# - The DUT MUST perform one of below options:
|
|
# - 1. Sends RCODE=0 (NoError) and NSEC Answer record.
|
|
# - 2. MUST NOT send any mDNS response.
|
|
# - 3. Sends RCODE=0 (NoError) and 0 Answer records.
|
|
print("Step 28: BR 1 (DUT) mDNS verification for Step 27.")
|
|
verify_optional_mdns_no_answer_response()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
verify_utils.run_main(verify)
|