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[nexus] migrate DNSSD special characters test to Nexus (#12972)
This commit migrates the test for DNSSD names with special characters
from the thread-cert functional tests to the Nexus simulation
framework.
The new Nexus test 'test_dnssd_name_with_special_chars.cpp' replicates
the logic from 'test_dnssd_name_with_special_chars.py' and covers:
- SRP service registration with an instance name containing special
and Unicode characters ("O\T 网关").
- DNS-SD browse to discover the service instance.
- DNS-SD resolution of the service instance name, including
verification of case-insensitive resolution.
This commit is contained in:
Jonathan Hui
@@ -395,6 +395,7 @@ ot_nexus_test(dataset_updater "core;nexus")
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ot_nexus_test(discover_scan "core;nexus")
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ot_nexus_test(dnssd "core;nexus")
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ot_nexus_test(dns_client_config_auto_start "core;nexus")
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ot_nexus_test(dnssd_name_with_special_chars "core;nexus")
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ot_nexus_test(dtls "core;nexus")
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ot_nexus_test(form_join "core;nexus")
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ot_nexus_test(ipv6_fragmentation "core;nexus")
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@@ -0,0 +1,229 @@
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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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#include <stdio.h>
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#include <string.h>
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#include "net/dnssd_server.hpp"
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#include "platform/nexus_core.hpp"
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#include "platform/nexus_node.hpp"
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namespace ot {
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namespace Nexus {
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/**
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* Time to advance for a node to form a network and become leader, in milliseconds.
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*/
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static constexpr uint32_t kFormNetworkTime = 13 * 1000;
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/**
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* Time to advance for a node to join a network, in milliseconds.
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*/
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static constexpr uint32_t kJoinNetworkTime = 10 * 1000;
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/**
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* Time to advance for the network to stabilize, in milliseconds.
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*/
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static constexpr uint32_t kStabilizationTime = 15 * 1000;
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/**
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* Time to wait for SRP registration to complete.
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*/
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static constexpr uint32_t kSrpRegistrationTime = 10 * 1000;
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/**
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* Time to advance for DNS query processing.
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*/
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static constexpr uint32_t kDnsQueryTime = 5 * 1000;
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/**
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* SRP service and host names.
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*/
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static const char kSrpServiceType[] = "_srv._udp";
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static const char kSrpFullServiceType[] = "_srv._udp.default.service.arpa.";
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static const char kSrpHostName[] = "host1";
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static const char kSpecialInstanceName[] = "O\\T 网关";
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static constexpr uint16_t kSrpServicePort = 1977;
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/**
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* Test context to track progress.
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*/
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struct TestContext
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{
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uint8_t mBrowseCount;
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uint8_t mResolveCount;
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};
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void HandleResolveResponse(otError aError, const otDnsServiceResponse *aResponse, void *aContext)
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{
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TestContext *context = static_cast<TestContext *>(aContext);
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Dns::Client::ServiceInfo serviceInfo;
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Dns::Name::Buffer hostName;
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if (aError != kErrorNone)
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{
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Log("HandleResolveResponse error: %s", ErrorToString(aError));
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}
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SuccessOrQuit(aError);
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{
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const Dns::Client::ServiceResponse &response = AsCoreType(aResponse);
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ClearAllBytes(serviceInfo);
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serviceInfo.mHostNameBuffer = hostName;
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serviceInfo.mHostNameBufferSize = sizeof(hostName);
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SuccessOrQuit(response.GetServiceInfo(serviceInfo));
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VerifyOrQuit(serviceInfo.mPort == kSrpServicePort);
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VerifyOrQuit(StringMatch(hostName, "host1.default.service.arpa."));
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}
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context->mResolveCount++;
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}
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void HandleBrowseResponse(otError aError, const otDnsBrowseResponse *aResponse, void *aContext)
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{
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TestContext *context = static_cast<TestContext *>(aContext);
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Dns::Name::LabelBuffer label;
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if (aError != kErrorNone)
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{
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Log("HandleBrowseResponse error: %s", ErrorToString(aError));
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}
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SuccessOrQuit(aError);
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{
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const Dns::Client::BrowseResponse &response = AsCoreType(aResponse);
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for (uint16_t index = 0; response.GetServiceInstance(index, label, sizeof(label)) == kErrorNone; index++)
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{
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Log("Found service instance %s", label);
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if (StringMatch(label, kSpecialInstanceName))
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{
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context->mBrowseCount++;
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}
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}
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}
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}
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/**
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* Verifies SRP/DNS client/server support for Service Instance names with special and unicode characters.
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*
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* Topology:
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* SERVER (SRP server)
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* |
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* CLIENT (SRP client)
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*
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*/
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void TestDnssdNameWithSpecialChars(void)
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{
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Core nexus;
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Node &server = nexus.CreateNode();
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Node &client = nexus.CreateNode();
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server.SetName("SERVER");
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client.SetName("CLIENT");
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SuccessOrQuit(Instance::SetGlobalLogLevel(kLogLevelNote));
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Log("Forming network");
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server.Form();
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nexus.AdvanceTime(kFormNetworkTime);
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VerifyOrQuit(server.Get<Mle::Mle>().IsLeader());
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client.Join(server);
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nexus.AdvanceTime(kJoinNetworkTime);
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VerifyOrQuit(client.Get<Mle::Mle>().IsFullThreadDevice());
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SuccessOrQuit(server.Get<Srp::Server>().SetAddressMode(Srp::Server::kAddressModeUnicast));
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server.Get<Srp::Server>().SetEnabled(true);
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SuccessOrQuit(server.Get<Dns::ServiceDiscovery::Server>().Start());
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client.Get<Srp::Client>().EnableAutoStartMode(nullptr, nullptr);
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nexus.AdvanceTime(kStabilizationTime);
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Log("Registering service with special characters: %s", kSpecialInstanceName);
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SuccessOrQuit(client.Get<Srp::Client>().SetHostName(kSrpHostName));
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SuccessOrQuit(client.Get<Srp::Client>().EnableAutoHostAddress());
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Srp::Client::Service service;
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ClearAllBytes(service);
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service.mName = kSrpServiceType;
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service.mInstanceName = kSpecialInstanceName;
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service.mPort = kSrpServicePort;
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SuccessOrQuit(service.Init());
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SuccessOrQuit(client.Get<Srp::Client>().AddService(service));
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nexus.AdvanceTime(kSrpRegistrationTime);
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{
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Srp::Client::ItemState state = client.Get<Srp::Client>().GetHostInfo().GetState();
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Log("SRP Host State: %d", state);
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VerifyOrQuit(state == Srp::Client::kRegistered);
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}
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Log("Checking service discovery via DNS browse");
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TestContext context;
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context.mBrowseCount = 0;
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context.mResolveCount = 0;
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Dns::Client::QueryConfig queryConfig = client.Get<Dns::Client>().GetDefaultConfig();
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AsCoreType(&queryConfig.mServerSockAddr).SetAddress(server.Get<Mle::Mle>().GetMeshLocalEid());
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queryConfig.mServerSockAddr.mPort = 53;
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SuccessOrQuit(client.Get<Dns::Client>().Browse(kSrpFullServiceType, HandleBrowseResponse, &context, &queryConfig));
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nexus.AdvanceTime(kDnsQueryTime);
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VerifyOrQuit(context.mBrowseCount == 1);
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Log("Checking service discovery via DNS resolve");
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SuccessOrQuit(client.Get<Dns::Client>().ResolveService(kSpecialInstanceName, kSrpFullServiceType,
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HandleResolveResponse, &context, &queryConfig));
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nexus.AdvanceTime(kDnsQueryTime);
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VerifyOrQuit(context.mResolveCount == 1);
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Log("Checking service discovery via DNS resolve (case-insensitive)");
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// Note: DNS is generally case-insensitive for ASCII.
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// Unicode case-insensitivity might be more complex, but let's see if it works.
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SuccessOrQuit(client.Get<Dns::Client>().ResolveService("o\\t 网关", kSrpFullServiceType, HandleResolveResponse,
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&context, &queryConfig));
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nexus.AdvanceTime(kDnsQueryTime);
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VerifyOrQuit(context.mResolveCount == 2);
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}
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} // namespace Nexus
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} // namespace ot
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int main(void)
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{
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ot::Nexus::TestDnssdNameWithSpecialChars();
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printf("All tests passed\n");
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return 0;
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}
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@@ -1,117 +0,0 @@
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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 ipaddress
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import unittest
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import logging
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import command
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import config
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import thread_cert
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# Test description:
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# This test verifies SRP/DNS client/server support for Service Instance names with special and unicode characters.
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#
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# Topology:
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#
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# LEADER (SRP server)
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# |
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# |
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# ROUTER (SRP client)
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#
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SERVER = 1
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CLIENT = 2
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# TODO: support Instance names with dots (.)
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SPECIAL_INSTANCE_NAME = 'O\\T 网关'
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class TestDnssdNameWithSpecialChars(thread_cert.TestCase):
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USE_MESSAGE_FACTORY = False
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SUPPORT_NCP = False
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TOPOLOGY = {
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SERVER: {
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'name': 'SERVER',
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'mode': 'rdn',
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},
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CLIENT: {
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'name': 'CLIENT',
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'mode': 'rdn',
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},
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}
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def test(self):
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server = self.nodes[SERVER]
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client = self.nodes[CLIENT]
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# Start the server & client devices.
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server.start()
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self.simulator.go(config.LEADER_STARTUP_DELAY)
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self.assertEqual(server.get_state(), 'leader')
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client.start()
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self.simulator.go(config.ROUTER_STARTUP_DELAY)
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self.assertEqual(client.get_state(), 'router')
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server.srp_server_set_enabled(True)
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client.srp_client_enable_auto_start_mode()
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self.simulator.go(15)
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# Register a single service with the instance name containing special chars
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client.srp_client_set_host_name('host1')
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client.srp_client_set_host_address('2001::1')
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client.srp_client_add_service(SPECIAL_INSTANCE_NAME, '_srv._udp', 1977)
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self.simulator.go(5)
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self.__check_service_discovery(server, client)
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def __check_service_discovery(self, server, client):
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# Check the service on client
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client.dns_set_config(server.get_rloc())
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services = client.dns_browse('_srv._udp.default.service.arpa')
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self.assertEqual(1, len(services))
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self.assertIn(SPECIAL_INSTANCE_NAME, services)
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self.__verify_service(services[SPECIAL_INSTANCE_NAME])
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service = client.dns_resolve_service(SPECIAL_INSTANCE_NAME, '_srv._udp.default.service.arpa')
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self.__verify_service(service)
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service = client.dns_resolve_service(SPECIAL_INSTANCE_NAME.lower(), '_srv._udp.default.service.arpa')
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self.__verify_service(service)
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def __verify_service(self, service):
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logging.info('service discovered: %r', service)
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self.assertEqual(service['port'], 1977)
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self.assertEqual(service['host'], 'host1.default.service.arpa.')
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if __name__ == '__main__':
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unittest.main()
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