diff options
Diffstat (limited to 'tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp')
| -rw-r--r-- | tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp | 783 |
1 files changed, 529 insertions, 254 deletions
diff --git a/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp b/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp index f462330fdf..f71e94862c 100644 --- a/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp +++ b/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp @@ -1,64 +1,186 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org> -** Copyright (C) 2016 Intel Corporation. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the test suite of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - +// Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org> +// Copyright (C) 2016 Intel Corporation. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include <QTest> #include <QSignalSpy> +#include <QtTest/private/qpropertytesthelper_p.h> #include <QtNetwork/QDnsLookup> + +#include <QtCore/QRandomGenerator> #include <QtNetwork/QHostAddress> +#include <QtNetwork/QNetworkDatagram> +#include <QtNetwork/QUdpSocket> + +#ifdef Q_OS_UNIX +# include <QtCore/QFile> +#else +# include <winsock2.h> +# include <iphlpapi.h> +#endif +using namespace Qt::StringLiterals; static const int Timeout = 15000; // 15s class tst_QDnsLookup: public QObject { Q_OBJECT + const QString normalDomain = u".test.qt-project.org"_s; + const QString idnDomain = u".alqualondë.test.qt-project.org"_s; + bool usingIdnDomain = false; + bool dnsServersMustWork = false; + QString domainName(const QString &input); QString domainNameList(const QString &input); QStringList domainNameListAlternatives(const QString &input); + + std::unique_ptr<QDnsLookup> lookupCommon(QDnsLookup::Type type, const QString &domain, + const QHostAddress &server = {}, quint16 port = 53); + QStringList formatReply(const QDnsLookup *lookup) const; public slots: void initTestCase(); private slots: + void lookupLocalhost(); + void lookupRoot(); + void lookupNxDomain_data(); + void lookupNxDomain(); void lookup_data(); void lookup(); + void lookupIdn_data() { lookup_data(); } + void lookupIdn(); + void lookupReuse(); void lookupAbortRetry(); + void setNameserverLoopback(); + void setNameserver_data(); + void setNameserver(); void bindingsAndProperties(); + void automatedBindings(); }; +static constexpr qsizetype HeaderSize = 6 * sizeof(quint16); +static const char preparedDnsQuery[] = + // header + "\x00\x00" // transaction ID, we'll replace + "\x01\x20" // flags + "\x00\x01" // qdcount + "\x00\x00" // ancount + "\x00\x00" // nscount + "\x00\x00" // arcount + // query: + "\x00\x00\x06\x00\x01" // <root domain> IN SOA + ; + +static QList<QHostAddress> systemNameservers() +{ + QList<QHostAddress> result; + +#ifdef Q_OS_WIN + ULONG infosize = 0; + DWORD r = GetNetworkParams(nullptr, &infosize); + auto buffer = std::make_unique<uchar[]>(infosize); + auto info = new (buffer.get()) FIXED_INFO; + r = GetNetworkParams(info, &infosize); + if (r == NO_ERROR) { + for (PIP_ADDR_STRING ptr = &info->DnsServerList; ptr; ptr = ptr->Next) { + QLatin1StringView addr(ptr->IpAddress.String); + result.emplaceBack(addr); + } + } +#else + auto parseFile = [&](QLatin1StringView path) { + QFile f(path); + if (!f.open(QIODevice::ReadOnly)) + return; + + while (!f.atEnd()) { + static const char command[] = "nameserver"; + QByteArray line = f.readLine().simplified(); + if (!line.startsWith(command)) + continue; + + QString addr = QLatin1StringView(line).mid(sizeof(command)); + result.emplaceBack(addr); + } + }; + parseFile("/etc/resolv.conf"_L1); + parseFile("/run/systemd/resolve/resolv.conf"_L1); +#endif + + return result; +} + +static QList<QHostAddress> globalPublicNameservers() +{ + const char *const candidates[] = { + // Google's dns.google + "8.8.8.8", "2001:4860:4860::8888", + //"8.8.4.4", "2001:4860:4860::8844", + + // CloudFare's one.one.one.one + "1.1.1.1", "2606:4700:4700::1111", + //"1.0.0.1", "2606:4700:4700::1001", + + // Quad9's dns9 + //"9.9.9.9", "2620:fe::9", + }; + + QList<QHostAddress> result; + QRandomGenerator &rng = *QRandomGenerator::system(); + for (auto name : candidates) { + // check the candidates for reachability + QHostAddress addr{QLatin1StringView(name)}; + quint16 id = quint16(rng()); + QByteArray data(preparedDnsQuery, sizeof(preparedDnsQuery)); + char *ptr = data.data(); + qToBigEndian(id, ptr); + + QUdpSocket socket; + socket.connectToHost(addr, 53); + if (socket.waitForConnected(1)) + socket.write(data); + + if (!socket.waitForReadyRead(1000)) { + qDebug() << addr << "discarded:" << socket.errorString(); + continue; + } + + QNetworkDatagram dgram = socket.receiveDatagram(); + if (!dgram.isValid()) { + qDebug() << addr << "discarded:" << socket.errorString(); + continue; + } + + data = dgram.data(); + ptr = data.data(); + if (data.size() < HeaderSize) { + qDebug() << addr << "discarded: reply too small"; + continue; + } + + bool ok = qFromBigEndian<quint16>(ptr) == id + && (ptr[2] & 0x80) // is a reply + && (ptr[3] & 0xf) == 0 // rcode NOERROR + && qFromBigEndian<quint16>(ptr + 4) == 1 // qdcount + && qFromBigEndian<quint16>(ptr + 6) >= 1; // ancount + if (!ok) { + qDebug() << addr << "discarded: invalid reply"; + continue; + } + + result.emplaceBack(std::move(addr)); + } + + return result; +} + void tst_QDnsLookup::initTestCase() { - QTest::addColumn<QString>("tld"); - QTest::newRow("normal") << ".test.qt-project.org"; - QTest::newRow("idn") << ".alqualond\xc3\xab.test.qt-project.org"; + if (qgetenv("QTEST_ENVIRONMENT") == "ci") + dnsServersMustWork = true; } QString tst_QDnsLookup::domainName(const QString &input) @@ -72,15 +194,16 @@ QString tst_QDnsLookup::domainName(const QString &input) return nodot; } - QFETCH_GLOBAL(QString, tld); - return input + tld; + if (usingIdnDomain) + return input + idnDomain; + return input + normalDomain; } QString tst_QDnsLookup::domainNameList(const QString &input) { - QStringList list = input.split(QLatin1Char(';')); + const QStringList list = input.split(QLatin1Char(';')); QString result; - foreach (const QString &s, list) { + for (const QString &s : list) { if (!result.isEmpty()) result += ';'; result += domainName(s); @@ -91,229 +214,272 @@ QString tst_QDnsLookup::domainNameList(const QString &input) QStringList tst_QDnsLookup::domainNameListAlternatives(const QString &input) { QStringList alternatives = input.split('|'); - for (int i = 0; i < alternatives.length(); ++i) + for (int i = 0; i < alternatives.size(); ++i) alternatives[i] = domainNameList(alternatives[i]); return alternatives; } +std::unique_ptr<QDnsLookup> +tst_QDnsLookup::lookupCommon(QDnsLookup::Type type, const QString &domain, + const QHostAddress &server, quint16 port) +{ + auto lookup = std::make_unique<QDnsLookup>(type, domainName(domain), server, port); + QObject::connect(lookup.get(), &QDnsLookup::finished, + &QTestEventLoop::instance(), &QTestEventLoop::exitLoop); + lookup->lookup(); + QTestEventLoop::instance().enterLoopMSecs(Timeout); + + QDnsLookup::Error error = lookup->error(); + if (QTestEventLoop::instance().timeout()) + error = QDnsLookup::TimeoutError; + + if (!dnsServersMustWork && (error == QDnsLookup::ServerFailureError + || error == QDnsLookup::ServerRefusedError + || error == QDnsLookup::TimeoutError)) { + // It's not a QDnsLookup problem if the server refuses to answer the query. + // This happens for queries of type ANY through Dnsmasq, for example. + [&] { + auto me = QMetaEnum::fromType<QDnsLookup::Type>(); + QString msg = u"Server refused or was unable to answer query; %1 type %3: %2"_s + .arg(domain, lookup->errorString(), QString(me.valueToKey(int(type)))); + QSKIP(msg.toLocal8Bit()); + }(); + return {}; + } + + return lookup; +} + +QStringList tst_QDnsLookup::formatReply(const QDnsLookup *lookup) const +{ + QStringList result; + QString domain = lookup->name(); + + auto shorter = [this](QString value) { + const QString &ending = usingIdnDomain ? idnDomain : normalDomain; + if (value.endsWith(ending)) + value.chop(ending.size()); + else + value += u'.'; + return value; + }; + + for (const QDnsMailExchangeRecord &rr : lookup->mailExchangeRecords()) { + QString entry = u"MX %1 %2"_s.arg(rr.preference(), 5).arg(shorter(rr.exchange())); + if (rr.name() != domain) + entry = "MX unexpected label to "_L1 + rr.name(); + result.append(std::move(entry)); + } + + for (const QDnsServiceRecord &rr : lookup->serviceRecords()) { + QString entry = u"SRV %1 %2 %3 %4"_s.arg(rr.priority(), 5).arg(rr.weight()) + .arg(rr.port()).arg(shorter(rr.target())); + if (rr.name() != domain) + entry = "SRV unexpected label to "_L1 + rr.name(); + result.append(std::move(entry)); + } + + auto addNameRecords = [&](QLatin1StringView rrtype, const QList<QDnsDomainNameRecord> &rrset) { + for (const QDnsDomainNameRecord &rr : rrset) { + QString entry = u"%1 %2"_s.arg(rrtype, shorter(rr.value())); + if (rr.name() != domain) + entry = rrtype + " unexpected label to "_L1 + rr.name(); + result.append(std::move(entry)); + } + }; + addNameRecords("NS"_L1, lookup->nameServerRecords()); + addNameRecords("PTR"_L1, lookup->pointerRecords()); + addNameRecords("CNAME"_L1, lookup->canonicalNameRecords()); + + for (const QDnsHostAddressRecord &rr : lookup->hostAddressRecords()) { + if (rr.name() != domain) + continue; // A and AAAA may appear as extra records in the answer section + QHostAddress addr = rr.value(); + result.append(u"%1 %2"_s + .arg(addr.protocol() == QHostAddress::IPv6Protocol ? "AAAA" : "A", + addr.toString())); + } + + for (const QDnsTextRecord &rr : lookup->textRecords()) { + QString entry = "TXT"_L1; + for (const QByteArray &data : rr.values()) { + entry += u' '; + entry += QDebug::toString(data); + } + result.append(std::move(entry)); + } + + result.sort(); + return result; +} + +void tst_QDnsLookup::lookupLocalhost() +{ + auto lookup = lookupCommon(QDnsLookup::Type::A, u"localhost."_s); + QVERIFY(lookup); + QCOMPARE(lookup->error(), QDnsLookup::NoError); + + QList<QDnsHostAddressRecord> hosts = lookup->hostAddressRecords(); + QCOMPARE(hosts.size(), 1); + QCOMPARE(hosts.at(0).value(), QHostAddress::LocalHost); + QVERIFY2(hosts.at(0).name().startsWith(lookup->name()), + qPrintable(hosts.at(0).name())); +} + +void tst_QDnsLookup::lookupRoot() +{ +#ifdef Q_OS_WIN + QSKIP("This test fails on Windows as it seems to treat the lookup as a local one."); +#else + auto lookup = lookupCommon(QDnsLookup::Type::NS, u""_s); + if (!lookup) + return; + QCOMPARE(lookup->error(), QDnsLookup::NoError); + + const QList<QDnsDomainNameRecord> servers = lookup->nameServerRecords(); + QVERIFY(!servers.isEmpty()); + for (const QDnsDomainNameRecord &ns : servers) { + QCOMPARE(ns.name(), QString()); + QVERIFY(ns.value().endsWith(".root-servers.net")); + } +#endif +} + +void tst_QDnsLookup::lookupNxDomain_data() +{ + QTest::addColumn<QDnsLookup::Type>("type"); + QTest::addColumn<QString>("domain"); + + QTest::newRow("a") << QDnsLookup::A << "invalid.invalid"; + QTest::newRow("aaaa") << QDnsLookup::AAAA << "invalid.invalid"; + QTest::newRow("any") << QDnsLookup::ANY << "invalid.invalid"; + QTest::newRow("mx") << QDnsLookup::MX << "invalid.invalid"; + QTest::newRow("ns") << QDnsLookup::NS << "invalid.invalid"; + QTest::newRow("ptr") << QDnsLookup::PTR << "invalid.invalid"; + QTest::newRow("srv") << QDnsLookup::SRV << "invalid.invalid"; + QTest::newRow("txt") << QDnsLookup::TXT << "invalid.invalid"; +} + +void tst_QDnsLookup::lookupNxDomain() +{ + QFETCH(QDnsLookup::Type, type); + QFETCH(QString, domain); + + auto lookup = lookupCommon(type, domain); + if (!lookup) + return; + QCOMPARE(lookup->name(), domainName(domain)); + QCOMPARE(lookup->type(), type); + QCOMPARE(lookup->error(), QDnsLookup::NotFoundError); +} + void tst_QDnsLookup::lookup_data() { - QTest::addColumn<int>("type"); + QTest::addColumn<QDnsLookup::Type>("type"); QTest::addColumn<QString>("domain"); - QTest::addColumn<int>("error"); - QTest::addColumn<QString>("cname"); - QTest::addColumn<QString>("host"); - QTest::addColumn<QString>("mx"); - QTest::addColumn<QString>("ns"); - QTest::addColumn<QString>("ptr"); - QTest::addColumn<QString>("srv"); - QTest::addColumn<QString>("txt"); - - QTest::newRow("a-empty") << int(QDnsLookup::A) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << ""<< "" << ""; - QTest::newRow("a-notfound") << int(QDnsLookup::A) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("a-single") << int(QDnsLookup::A) << "a-single" << int(QDnsLookup::NoError) << "" << "192.0.2.1" << "" << "" << "" << "" << ""; - QTest::newRow("a-multi") << int(QDnsLookup::A) << "a-multi" << int(QDnsLookup::NoError) << "" << "192.0.2.1;192.0.2.2;192.0.2.3" << "" << "" << "" << "" << ""; - QTest::newRow("aaaa-empty") << int(QDnsLookup::AAAA) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("aaaa-notfound") << int(QDnsLookup::AAAA) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("aaaa-single") << int(QDnsLookup::AAAA) << "aaaa-single" << int(QDnsLookup::NoError) << "" << "2001:db8::1" << "" << "" << "" << "" << ""; - QTest::newRow("aaaa-multi") << int(QDnsLookup::AAAA) << "aaaa-multi" << int(QDnsLookup::NoError) << "" << "2001:db8::1;2001:db8::2;2001:db8::3" << "" << "" << "" << "" << ""; - - QTest::newRow("any-empty") << int(QDnsLookup::ANY) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("any-notfound") << int(QDnsLookup::ANY) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("any-a-single") << int(QDnsLookup::ANY) << "a-single" << int(QDnsLookup::NoError) << "" << "192.0.2.1" << "" << "" << "" << "" << ""; - QTest::newRow("any-a-plus-aaaa") << int(QDnsLookup::ANY) << "a-plus-aaaa" << int(QDnsLookup::NoError) << "" << "198.51.100.1;2001:db8::1:1" << "" << "" << "" << "" << ""; - QTest::newRow("any-multi") << int(QDnsLookup::ANY) << "multi" << int(QDnsLookup::NoError) << "" << "198.51.100.1;198.51.100.2;198.51.100.3;2001:db8::1:1;2001:db8::1:2" << "" << "" << "" << "" << ""; - - QTest::newRow("mx-empty") << int(QDnsLookup::MX) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("mx-notfound") << int(QDnsLookup::MX) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("mx-single") << int(QDnsLookup::MX) << "mx-single" << int(QDnsLookup::NoError) << "" << "" << "10 multi" << "" << "" << "" << ""; - QTest::newRow("mx-single-cname") << int(QDnsLookup::MX) << "mx-single-cname" << int(QDnsLookup::NoError) << "" << "" << "10 cname" << "" << "" << "" << ""; - QTest::newRow("mx-multi") << int(QDnsLookup::MX) << "mx-multi" << int(QDnsLookup::NoError) << "" << "" << "10 multi;20 a-single" << "" << "" << "" << ""; - QTest::newRow("mx-multi-sameprio") << int(QDnsLookup::MX) << "mx-multi-sameprio" << int(QDnsLookup::NoError) << "" << "" - << "10 multi;10 a-single|" - "10 a-single;10 multi" << "" << "" << "" << ""; - - QTest::newRow("ns-empty") << int(QDnsLookup::NS) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("ns-notfound") << int(QDnsLookup::NS) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("ns-single") << int(QDnsLookup::NS) << "ns-single" << int(QDnsLookup::NoError) << "" << "" << "" << "ns11.cloudns.net." << "" << "" << ""; - QTest::newRow("ns-multi") << int(QDnsLookup::NS) << "ns-multi" << int(QDnsLookup::NoError) << "" << "" << "" << "ns11.cloudns.net.;ns12.cloudns.net." << "" << "" << ""; - - QTest::newRow("ptr-empty") << int(QDnsLookup::PTR) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("ptr-notfound") << int(QDnsLookup::PTR) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; + QTest::addColumn<QString>("expected"); + + QTest::newRow("a-single") << QDnsLookup::A << "a-single" + << "A 192.0.2.1"; + QTest::newRow("a-multi") << QDnsLookup::A << "a-multi" + << "A 192.0.2.1;A 192.0.2.2;A 192.0.2.3"; + QTest::newRow("aaaa-single") << QDnsLookup::AAAA << "aaaa-single" + << "AAAA 2001:db8::1"; + QTest::newRow("aaaa-multi") << QDnsLookup::AAAA << "aaaa-multi" + << "AAAA 2001:db8::1;AAAA 2001:db8::2;AAAA 2001:db8::3"; + + QTest::newRow("any-a-single") << QDnsLookup::ANY << "a-single" + << "A 192.0.2.1"; + QTest::newRow("any-a-plus-aaaa") << QDnsLookup::ANY << "a-plus-aaaa" + << "A 198.51.100.1;AAAA 2001:db8::1:1"; + QTest::newRow("any-multi") << QDnsLookup::ANY << "multi" + << "A 198.51.100.1;A 198.51.100.2;A 198.51.100.3;" + "AAAA 2001:db8::1:1;AAAA 2001:db8::1:2" ; + + QTest::newRow("mx-single") << QDnsLookup::MX << "mx-single" + << "MX 10 multi"; + QTest::newRow("mx-single-cname") << QDnsLookup::MX << "mx-single-cname" + << "MX 10 cname"; + QTest::newRow("mx-multi") << QDnsLookup::MX << "mx-multi" + << "MX 10 multi;MX 20 a-single"; + QTest::newRow("mx-multi-sameprio") << QDnsLookup::MX << "mx-multi-sameprio" + << "MX 10 a-single;MX 10 multi"; + + QTest::newRow("ns-single") << QDnsLookup::NS << "ns-single" + << "NS ns11.cloudns.net."; + QTest::newRow("ns-multi") << QDnsLookup::NS << "ns-multi" + << "NS ns11.cloudns.net.;NS ns12.cloudns.net."; + #if 0 // temporarily disabled since the new hosting provider can't insert // PTR records outside of the in-addr.arpa zone - QTest::newRow("ptr-single") << int(QDnsLookup::PTR) << "ptr-single" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "a-single" << "" << ""; + QTest::newRow("ptr-single") << QDnsLookup::PTR << "ptr-single" + << "PTR a-single"; #endif - - QTest::newRow("srv-empty") << int(QDnsLookup::SRV) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("srv-notfound") << int(QDnsLookup::SRV) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("srv-single") << int(QDnsLookup::SRV) << "_echo._tcp.srv-single" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" << "5 0 7 multi" << ""; - QTest::newRow("srv-prio") << int(QDnsLookup::SRV) << "_echo._tcp.srv-prio" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" << "1 0 7 multi;2 0 7 a-plus-aaaa" << ""; - QTest::newRow("srv-weighted") << int(QDnsLookup::SRV) << "_echo._tcp.srv-weighted" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" - << "5 75 7 multi;5 25 7 a-plus-aaaa|" - "5 25 7 a-plus-aaaa;5 75 7 multi" << ""; - QTest::newRow("srv-multi") << int(QDnsLookup::SRV) << "_echo._tcp.srv-multi" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" - << "1 50 7 multi;2 50 7 a-single;2 50 7 aaaa-single;3 50 7 a-multi|" - "1 50 7 multi;2 50 7 aaaa-single;2 50 7 a-single;3 50 7 a-multi" << ""; - - QTest::newRow("txt-empty") << int(QDnsLookup::TXT) << "" << int(QDnsLookup::InvalidRequestError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("txt-notfound") << int(QDnsLookup::TXT) << "invalid.invalid" << int(QDnsLookup::NotFoundError) << "" << "" << "" << "" << "" << "" << ""; - QTest::newRow("txt-single") << int(QDnsLookup::TXT) << "txt-single" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" << "" << "Hello"; - QTest::newRow("txt-multi-onerr") << int(QDnsLookup::TXT) << "txt-multi-onerr" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" << "" - << QString::fromLatin1("Hello\0World", sizeof("Hello\0World") - 1); - QTest::newRow("txt-multi-multirr") << int(QDnsLookup::TXT) << "txt-multi-multirr" << int(QDnsLookup::NoError) << "" << "" << "" << "" << "" << "" << "Hello;World"; -} - -static QByteArray msgDnsLookup(QDnsLookup::Error actualError, - int expectedError, - const QString &domain, - const QString &cname, - const QString &host, - const QString &srv, - const QString &mx, - const QString &ns, - const QString &ptr, - const QString &errorString) -{ - QString result; - QTextStream str(&result); - str << "Actual error: " << actualError; - if (!errorString.isEmpty()) - str << " (" << errorString << ')'; - str << ", expected: " << expectedError; - str << ", domain: " << domain; - if (!cname.isEmpty()) - str << ", cname: " << cname; - str << ", host: " << host; - if (!srv.isEmpty()) - str << " server: " << srv; - if (!mx.isEmpty()) - str << " mx: " << mx; - if (!ns.isEmpty()) - str << " ns: " << ns; - if (!ptr.isEmpty()) - str << " ptr: " << ptr; - return result.toLocal8Bit(); + QTest::newRow("ptr-1.1.1.1") << QDnsLookup::PTR << "1.1.1.1.in-addr.arpa." + << "PTR one.one.one.one."; + QTest::newRow("ptr-8.8.8.8") << QDnsLookup::PTR << "8.8.8.8.in-addr.arpa." + << "PTR dns.google."; + QTest::newRow("ptr-2001:4860:4860::8888") + << QDnsLookup::PTR << "8.8.8.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.6.8.4.0.6.8.4.1.0.0.2.ip6.arpa." + << "PTR dns.google."; + QTest::newRow("ptr-2606:4700:4700::1111") + << QDnsLookup::PTR << "1.1.1.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.4.0.0.7.4.6.0.6.2.ip6.arpa." + << "PTR one.one.one.one."; + + QTest::newRow("srv-single") << QDnsLookup::SRV << "_echo._tcp.srv-single" + << "SRV 5 0 7 multi"; + QTest::newRow("srv-prio") << QDnsLookup::SRV << "_echo._tcp.srv-prio" + << "SRV 1 0 7 multi;SRV 2 0 7 a-plus-aaaa"; + QTest::newRow("srv-weighted") << QDnsLookup::SRV << "_echo._tcp.srv-weighted" + << "SRV 5 25 7 a-plus-aaaa;SRV 5 75 7 multi"; + QTest::newRow("srv-multi") << QDnsLookup::SRV << "_echo._tcp.srv-multi" + << "SRV 1 50 7 multi;" + "SRV 2 50 7 a-single;" + "SRV 2 50 7 aaaa-single;" + "SRV 3 50 7 a-multi"; + + QTest::newRow("txt-single") << QDnsLookup::TXT << "txt-single" + << "TXT \"Hello\""; + QTest::newRow("txt-multi-onerr") << QDnsLookup::TXT << "txt-multi-onerr" + << "TXT \"Hello\" \"World\""; + QTest::newRow("txt-multi-multirr") << QDnsLookup::TXT << "txt-multi-multirr" + << "TXT \"Hello\";TXT \"World\""; } void tst_QDnsLookup::lookup() { - QFETCH(int, type); + QFETCH(QDnsLookup::Type, type); QFETCH(QString, domain); - QFETCH(int, error); - QFETCH(QString, cname); - QFETCH(QString, host); - QFETCH(QString, mx); - QFETCH(QString, ns); - QFETCH(QString, ptr); - QFETCH(QString, srv); - QFETCH(QString, txt); - - // transform the inputs - domain = domainName(domain); - cname = domainName(cname); - ns = domainNameList(ns); - ptr = domainNameList(ptr); - - // SRV and MX have reply entries that can change order - // and we can't sort - QStringList mx_alternatives = domainNameListAlternatives(mx); - QStringList srv_alternatives = domainNameListAlternatives(srv); + QFETCH(QString, expected); - QDnsLookup lookup; - lookup.setType(static_cast<QDnsLookup::Type>(type)); - lookup.setName(domain); - lookup.lookup(); - QTRY_VERIFY_WITH_TIMEOUT(lookup.isFinished(), Timeout); + std::unique_ptr<QDnsLookup> lookup = lookupCommon(type, domain); + if (!lookup) + return; -#if defined(Q_OS_ANDROID) - if (lookup.errorString() == QStringLiteral("Not yet supported on Android")) - QEXPECT_FAIL("", "Not yet supported on Android", Abort); -#endif + QCOMPARE(lookup->error(), QDnsLookup::NoError); + QCOMPARE(lookup->errorString(), QString()); + QCOMPARE(lookup->type(), type); + QCOMPARE(lookup->name(), domainName(domain)); - QVERIFY2(int(lookup.error()) == error, - msgDnsLookup(lookup.error(), error, domain, cname, host, srv, mx, ns, ptr, lookup.errorString())); - if (error == QDnsLookup::NoError) - QVERIFY(lookup.errorString().isEmpty()); - QCOMPARE(int(lookup.type()), type); - QCOMPARE(lookup.name(), domain); - - // canonical names - if (!cname.isEmpty()) { - QVERIFY(!lookup.canonicalNameRecords().isEmpty()); - const QDnsDomainNameRecord cnameRecord = lookup.canonicalNameRecords().first(); - QCOMPARE(cnameRecord.name(), domain); - QCOMPARE(cnameRecord.value(), cname); - } else { - QVERIFY(lookup.canonicalNameRecords().isEmpty()); - } + QString result = formatReply(lookup.get()).join(u';'); + QCOMPARE(result, expected); - // host addresses - const QString hostName = cname.isEmpty() ? domain : cname; - QStringList addresses; - foreach (const QDnsHostAddressRecord &record, lookup.hostAddressRecords()) { - //reply may include A & AAAA records for nameservers, ignore them and only look at records matching the query - if (record.name() == hostName) - addresses << record.value().toString().toLower(); - } - addresses.sort(); - QCOMPARE(addresses.join(';'), host); - - // mail exchanges - QStringList mailExchanges; - foreach (const QDnsMailExchangeRecord &record, lookup.mailExchangeRecords()) { - QCOMPARE(record.name(), domain); - mailExchanges << QString::number(record.preference()) + QLatin1Char(' ') + record.exchange(); - } - QVERIFY2(mx_alternatives.contains(mailExchanges.join(';')), - qPrintable("Actual: " + mailExchanges.join(';') + "\nExpected one of:\n" + mx_alternatives.join('\n'))); - - // name servers - QStringList nameServers; - foreach (const QDnsDomainNameRecord &record, lookup.nameServerRecords()) { - //reply may include NS records for authoritative nameservers, ignore them and only look at records matching the query - if (record.name() == domain) - nameServers << record.value(); - } - nameServers.sort(); - QCOMPARE(nameServers.join(';'), ns); - - // pointers - if (!ptr.isEmpty()) { - QVERIFY(!lookup.pointerRecords().isEmpty()); - const QDnsDomainNameRecord ptrRecord = lookup.pointerRecords().first(); - QCOMPARE(ptrRecord.name(), domain); - QCOMPARE(ptrRecord.value(), ptr); - } else { - QVERIFY(lookup.pointerRecords().isEmpty()); - } + // confirm that MX and SRV records are properly sorted + const QList<QDnsMailExchangeRecord> mx = lookup->mailExchangeRecords(); + for (qsizetype i = 1; i < mx.size(); ++i) + QCOMPARE_GE(mx[i].preference(), mx[i - 1].preference()); - // services - QStringList services; - foreach (const QDnsServiceRecord &record, lookup.serviceRecords()) { - QCOMPARE(record.name(), domain); - services << (QString::number(record.priority()) + QLatin1Char(' ') - + QString::number(record.weight()) + QLatin1Char(' ') - + QString::number(record.port()) + QLatin1Char(' ') + record.target()); - } - QVERIFY2(srv_alternatives.contains(services.join(';')), - qPrintable("Actual: " + services.join(';') + "\nExpected one of:\n" + srv_alternatives.join('\n'))); - - // text - QStringList texts; - foreach (const QDnsTextRecord &record, lookup.textRecords()) { - QCOMPARE(record.name(), domain); - QString text; - foreach (const QByteArray &ba, record.values()) { - if (!text.isEmpty()) - text += '\0'; - text += QString::fromLatin1(ba); - } - texts << text; - } - texts.sort(); - QCOMPARE(texts.join(';'), txt); + const QList<QDnsServiceRecord> srv = lookup->serviceRecords(); + for (qsizetype i = 1; i < srv.size(); ++i) + QCOMPARE_GE(srv[i].priority(), srv[i - 1].priority()); +} + +void tst_QDnsLookup::lookupIdn() +{ + usingIdnDomain = true; + lookup(); + usingIdnDomain = false; } void tst_QDnsLookup::lookupReuse() @@ -326,11 +492,6 @@ void tst_QDnsLookup::lookupReuse() lookup.lookup(); QTRY_VERIFY_WITH_TIMEOUT(lookup.isFinished(), Timeout); -#if defined(Q_OS_ANDROID) - if (lookup.errorString() == QStringLiteral("Not yet supported on Android")) - QEXPECT_FAIL("", "Not yet supported on Android", Abort); -#endif - QCOMPARE(int(lookup.error()), int(QDnsLookup::NoError)); QVERIFY(!lookup.hostAddressRecords().isEmpty()); QCOMPARE(lookup.hostAddressRecords().first().name(), domainName("a-single")); @@ -367,23 +528,96 @@ void tst_QDnsLookup::lookupAbortRetry() lookup.lookup(); QTRY_VERIFY_WITH_TIMEOUT(lookup.isFinished(), Timeout); -#if defined(Q_OS_ANDROID) - if (lookup.errorString() == QStringLiteral("Not yet supported on Android")) - QEXPECT_FAIL("", "Not yet supported on Android", Abort); -#endif - QCOMPARE(int(lookup.error()), int(QDnsLookup::NoError)); QVERIFY(!lookup.hostAddressRecords().isEmpty()); QCOMPARE(lookup.hostAddressRecords().first().name(), domainName("aaaa-single")); QCOMPARE(lookup.hostAddressRecords().first().value(), QHostAddress("2001:db8::1")); } -void tst_QDnsLookup::bindingsAndProperties() +void tst_QDnsLookup::setNameserverLoopback() +{ +#ifdef Q_OS_WIN + // Windows doesn't like sending DNS requests to ports other than 53, so + // let's try it first. + constexpr quint16 DesiredPort = 53; +#else + // Trying to bind to port 53 will fail on Unix systems unless this test is + // run as root, so we try mDNS's port (to help decoding in a packet capture). + constexpr quint16 DesiredPort = 5353; // mDNS +#endif + // random loopback address so multiple copies of this test can run + QHostAddress desiredAddress(0x7f000000 | QRandomGenerator::system()->bounded(0xffffff)); + + QUdpSocket server; + if (!server.bind(desiredAddress, DesiredPort)) { + // port in use, try a random one + server.bind(QHostAddress::LocalHost, 0); + } + QCOMPARE(server.state(), QUdpSocket::BoundState); + + QDnsLookup lookup(QDnsLookup::Type::A, u"somelabel.somedomain"_s); + QSignalSpy spy(&lookup, SIGNAL(finished())); + lookup.setNameserver(server.localAddress(), server.localPort()); + + // QDnsLookup is threaded, so we can answer on the main thread + QObject::connect(&server, &QUdpSocket::readyRead, + &QTestEventLoop::instance(), &QTestEventLoop::exitLoop); + QObject::connect(&lookup, &QDnsLookup::finished, + &QTestEventLoop::instance(), &QTestEventLoop::exitLoop); + lookup.lookup(); + QTestEventLoop::instance().enterLoop(5); + QVERIFY(!QTestEventLoop::instance().timeout()); + QVERIFY2(spy.isEmpty(), qPrintable(lookup.errorString())); + + QNetworkDatagram dgram = server.receiveDatagram(); + QByteArray data = dgram.data(); + QCOMPARE_GT(data.size(), HeaderSize); + + quint8 opcode = (quint8(data.at(2)) >> 3) & 0xF; + QCOMPARE(opcode, 0); // standard query + + // send an NXDOMAIN reply to release the lookup thread + QByteArray reply = data; + reply[2] = 0x80U; // header->qr = true; + reply[3] = 3; // header->rcode = NXDOMAIN; + server.writeDatagram(reply.constData(), reply.size(), dgram.senderAddress(), + dgram.senderPort()); + server.close(); + + // now check that the QDnsLookup finished + QTestEventLoop::instance().enterLoop(5); + QVERIFY(!QTestEventLoop::instance().timeout()); + QCOMPARE(spy.size(), 1); + QCOMPARE(lookup.error(), QDnsLookup::NotFoundError); +} + +void tst_QDnsLookup::setNameserver_data() { - QFETCH_GLOBAL(const QString, tld); - if (tld == QStringLiteral("idn")) + static QList<QHostAddress> servers = systemNameservers() + globalPublicNameservers(); + QTest::addColumn<QHostAddress>("server"); + + if (servers.isEmpty()) { + QSKIP("No reachable DNS servers were found"); + } else { + for (const QHostAddress &h : std::as_const(servers)) + QTest::addRow("%s", qUtf8Printable(h.toString())) << h; + } +} + +void tst_QDnsLookup::setNameserver() +{ + QFETCH(QHostAddress, server); + std::unique_ptr<QDnsLookup> lookup = + lookupCommon(QDnsLookup::Type::A, "a-single", server); + if (!lookup) return; + QCOMPARE(lookup->error(), QDnsLookup::NoError); + QString result = formatReply(lookup.get()).join(';'); + QCOMPARE(result, "A 192.0.2.1"); +} +void tst_QDnsLookup::bindingsAndProperties() +{ QDnsLookup lookup; lookup.setType(QDnsLookup::A); @@ -392,7 +626,7 @@ void tst_QDnsLookup::bindingsAndProperties() const QSignalSpy typeChangeSpy(&lookup, &QDnsLookup::typeChanged); dnsTypeProp = QDnsLookup::AAAA; - QCOMPARE(typeChangeSpy.count(), 1); + QCOMPARE(typeChangeSpy.size(), 1); QCOMPARE(lookup.type(), QDnsLookup::AAAA); dnsTypeProp.setBinding(lookup.bindableType().makeBinding()); @@ -404,7 +638,7 @@ void tst_QDnsLookup::bindingsAndProperties() const QSignalSpy nameChangeSpy(&lookup, &QDnsLookup::nameChanged); nameProp = QStringLiteral("a-plus-aaaa"); - QCOMPARE(nameChangeSpy.count(), 1); + QCOMPARE(nameChangeSpy.size(), 1); QCOMPARE(lookup.name(), QStringLiteral("a-plus-aaaa")); nameProp.setBinding(lookup.bindableName().makeBinding()); @@ -414,14 +648,55 @@ void tst_QDnsLookup::bindingsAndProperties() QProperty<QHostAddress> nameserverProp; lookup.bindableNameserver().setBinding(Qt::makePropertyBinding(nameserverProp)); const QSignalSpy nameserverChangeSpy(&lookup, &QDnsLookup::nameserverChanged); + const QSignalSpy nameserverPortChangeSpy(&lookup, &QDnsLookup::nameserverPortChanged); nameserverProp = QHostAddress::LocalHost; - QCOMPARE(nameserverChangeSpy.count(), 1); + QCOMPARE(nameserverChangeSpy.size(), 1); + QCOMPARE(nameserverPortChangeSpy.size(), 0); QCOMPARE(lookup.nameserver(), QHostAddress::LocalHost); nameserverProp.setBinding(lookup.bindableNameserver().makeBinding()); lookup.setNameserver(QHostAddress::Any); QCOMPARE(nameserverProp.value(), QHostAddress::Any); + QCOMPARE(nameserverChangeSpy.size(), 2); + QCOMPARE(nameserverPortChangeSpy.size(), 0); + + lookup.setNameserver(QHostAddress::LocalHostIPv6, 10053); + QCOMPARE(nameserverProp.value(), QHostAddress::LocalHostIPv6); + QCOMPARE(nameserverChangeSpy.size(), 3); + QCOMPARE(nameserverPortChangeSpy.size(), 1); +} + +void tst_QDnsLookup::automatedBindings() +{ + QDnsLookup lookup; + + QTestPrivate::testReadWritePropertyBasics(lookup, u"aaaa"_s, u"txt"_s, "name"); + if (QTest::currentTestFailed()) { + qDebug("Failed property test for QDnsLookup::name"); + return; + } + + QTestPrivate::testReadWritePropertyBasics(lookup, QDnsLookup::AAAA, QDnsLookup::TXT, "type"); + if (QTest::currentTestFailed()) { + qDebug("Failed property test for QDnsLookup::type"); + return; + } + + QTestPrivate::testReadWritePropertyBasics(lookup, QHostAddress{QHostAddress::Any}, + QHostAddress{QHostAddress::LocalHost}, + "nameserver"); + if (QTest::currentTestFailed()) { + qDebug("Failed property test for QDnsLookup::nameserver"); + return; + } + + QTestPrivate::testReadWritePropertyBasics(lookup, quint16(123), quint16(456), + "nameserverPort"); + if (QTest::currentTestFailed()) { + qDebug("Failed property test for QDnsLookup::nameserverPort"); + return; + } } QTEST_MAIN(tst_QDnsLookup) |