370 lines
9.6 KiB
C++
370 lines
9.6 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Nathan Osman
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <QHostAddress>
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#include <QMap>
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#include <QObject>
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#include <QTest>
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#include <qmdnsengine/dns.h>
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#include <qmdnsengine/record.h>
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#define PARSE_RECORD(r) \
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quint16 offset = 0; \
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QMdnsEngine::Record record; \
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bool result = QMdnsEngine::parseRecord( \
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QByteArray(r, sizeof(r)), \
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offset, \
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record \
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)
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#define WRITE_RECORD() \
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QByteArray packet; \
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quint16 offset; \
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NameMap nameMap; \
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QMdnsEngine::writeRecord(packet, offset, record, nameMap)
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typedef QMap<QByteArray, quint16> NameMap;
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const char NameSimple[] = {
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'\x04', '_', 't', 'c', 'p',
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'\x05', 'l', 'o', 'c', 'a', 'l',
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'\0'
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};
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const char NamePointer[] = {
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'\x04', '_', 't', 'c', 'p',
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'\x05', 'l', 'o', 'c', 'a', 'l',
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'\0',
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'\x04', 't', 'e', 's', 't',
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'\xc0', '\0'
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};
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const char NameCorrupt[] = {
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'\x03', '1', '2'
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};
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const char RecordA[] = {
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'\x04', 't', 'e', 's', 't', '\0',
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'\x00', '\x01',
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'\x80', '\x01',
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'\x00', '\x00', '\x0e', '\x10',
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'\x00', '\x04',
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'\x7f', '\x00', '\x00', '\x01'
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};
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const char RecordAAAA[] = {
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'\x04', 't', 'e', 's', 't', '\0',
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'\x00', '\x1c',
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'\x00', '\x01',
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'\x00', '\x00', '\x0e', '\x10',
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'\x00', '\x10',
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'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00',
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'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x01'
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};
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const char RecordPTR[] = {
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'\x04', 't', 'e', 's', 't', '\0',
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'\x00', '\x0c',
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'\x00', '\x01',
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'\x00', '\x00', '\x0e', '\x10',
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'\x00', '\x07',
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'\x05', 't', 'e', 's', 't', '2', '\0',
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};
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const char RecordSRV[] = {
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'\x04', 't', 'e', 's', 't', '\0',
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'\x00', '\x21',
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'\x00', '\x01',
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'\x00', '\x00', '\x0e', '\x10',
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'\x00', '\x0d',
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'\x00', '\x01', '\x00', '\x02', '\x00', '\x03',
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'\x05', 't', 'e', 's', 't', '2', '\0',
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};
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const char RecordTXT[] = {
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'\x04', 't', 'e', 's', 't', '\0',
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'\x00', '\x10',
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'\x00', '\x01',
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'\x00', '\x00', '\x0e', '\x10',
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'\x00', '\x06',
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'\x03', 'a', '=', 'a',
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'\x01', 'b'
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};
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const QByteArray Name("test.");
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const quint32 Ttl = 3600;
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const QHostAddress Ipv4Address("127.0.0.1");
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const QHostAddress Ipv6Address("::1");
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const QByteArray Target("test2.");
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const quint16 Priority = 1;
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const quint16 Weight = 2;
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const quint16 Port = 3;
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const QMap<QByteArray, QByteArray> Attributes{
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{"a", "a"},
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{"b", QByteArray()}
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};
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class TestDns : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void testParseName_data();
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void testParseName();
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void testWriteName_data();
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void testWriteName();
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void testParseRecordA();
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void testParseRecordAAAA();
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void testParseRecordPTR();
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void testParseRecordSRV();
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void testParseRecordTXT();
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void testWriteRecordA();
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void testWriteRecordAAAA();
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void testWriteRecordPTR();
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void testWriteRecordSRV();
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void testWriteRecordTXT();
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};
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void TestDns::testParseName_data()
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{
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QTest::addColumn<QByteArray>("packet");
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QTest::addColumn<quint16>("initialOffset");
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QTest::addColumn<quint16>("correctOffset");
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QTest::addColumn<QByteArray>("correctName");
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QTest::addColumn<bool>("correctResult");
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QTest::newRow("simple")
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<< QByteArray(NameSimple, sizeof(NameSimple))
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<< static_cast<quint16>(0)
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<< static_cast<quint16>(12)
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<< QByteArray("_tcp.local.")
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<< true;
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QTest::newRow("pointer")
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<< QByteArray(NamePointer, sizeof(NamePointer))
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<< static_cast<quint16>(12)
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<< static_cast<quint16>(19)
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<< QByteArray("test._tcp.local.")
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<< true;
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QTest::newRow("corrupt data")
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<< QByteArray(NameCorrupt, sizeof(NameCorrupt))
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<< static_cast<quint16>(0)
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<< static_cast<quint16>(0)
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<< QByteArray()
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<< false;
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}
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void TestDns::testParseName()
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{
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QFETCH(QByteArray, packet);
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QFETCH(quint16, initialOffset);
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QFETCH(quint16, correctOffset);
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QFETCH(QByteArray, correctName);
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QFETCH(bool, correctResult);
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quint16 offset = initialOffset;
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QByteArray name;
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bool result = QMdnsEngine::parseName(packet, offset, name);
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QCOMPARE(result, correctResult);
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if (result) {
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QCOMPARE(offset, correctOffset);
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QCOMPARE(name, correctName);
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}
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}
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void TestDns::testWriteName_data()
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{
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QTest::addColumn<QByteArray>("initialPacket");
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QTest::addColumn<quint16>("initialOffset");
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QTest::addColumn<quint16>("correctOffset");
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QTest::addColumn<QByteArray>("name");
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QTest::addColumn<NameMap>("nameMap");
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QTest::addColumn<QByteArray>("correctPacket");
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QTest::newRow("simple")
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<< QByteArray()
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<< static_cast<quint16>(0)
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<< static_cast<quint16>(12)
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<< QByteArray("_tcp.local.")
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<< NameMap()
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<< QByteArray(NameSimple, sizeof(NameSimple));
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QTest::newRow("pointer")
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<< QByteArray(NameSimple, sizeof(NameSimple))
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<< static_cast<quint16>(sizeof(NameSimple))
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<< static_cast<quint16>(19)
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<< QByteArray("test._tcp.local.")
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<< NameMap{{"_tcp.local", 0}}
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<< QByteArray(NamePointer, sizeof(NamePointer));
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}
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void TestDns::testWriteName()
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{
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QFETCH(QByteArray, initialPacket);
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QFETCH(quint16, initialOffset);
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QFETCH(quint16, correctOffset);
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QFETCH(QByteArray, name);
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QFETCH(NameMap, nameMap);
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QFETCH(QByteArray, correctPacket);
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QByteArray packet = initialPacket;
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quint16 offset = initialOffset;
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QMdnsEngine::writeName(packet, offset, name, nameMap);
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QCOMPARE(packet, correctPacket);
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QCOMPARE(offset, correctOffset);
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}
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void TestDns::testParseRecordA()
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{
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PARSE_RECORD(RecordA);
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QCOMPARE(result, true);
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QCOMPARE(record.name(), Name);
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QCOMPARE(record.type(), static_cast<quint16>(QMdnsEngine::A));
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QCOMPARE(record.flushCache(), true);
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QCOMPARE(record.ttl(), Ttl);
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QCOMPARE(record.address(), Ipv4Address);
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}
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void TestDns::testParseRecordAAAA()
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{
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PARSE_RECORD(RecordAAAA);
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QCOMPARE(result, true);
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QCOMPARE(record.type(), static_cast<quint16>(QMdnsEngine::AAAA));
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QCOMPARE(record.address(), Ipv6Address);
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}
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void TestDns::testParseRecordPTR()
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{
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PARSE_RECORD(RecordPTR);
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QCOMPARE(result, true);
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QCOMPARE(record.type(), static_cast<quint16>(QMdnsEngine::PTR));
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QCOMPARE(record.target(), QByteArray("test2."));
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}
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void TestDns::testParseRecordSRV()
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{
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PARSE_RECORD(RecordSRV);
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QCOMPARE(result, true);
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QCOMPARE(record.type(), static_cast<quint16>(QMdnsEngine::SRV));
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QCOMPARE(record.priority(), Priority);
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QCOMPARE(record.weight(), Weight);
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QCOMPARE(record.port(), Port);
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QCOMPARE(record.target(), Target);
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}
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void TestDns::testParseRecordTXT()
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{
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PARSE_RECORD(RecordTXT);
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QCOMPARE(result, true);
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QCOMPARE(record.type(), static_cast<quint16>(QMdnsEngine::TXT));
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QCOMPARE(record.attributes(), Attributes);
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}
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void TestDns::testWriteRecordA()
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{
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QMdnsEngine::Record record;
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record.setName(Name);
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record.setType(QMdnsEngine::A);
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record.setFlushCache(true);
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record.setTtl(Ttl);
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record.setAddress(Ipv4Address);
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WRITE_RECORD();
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QCOMPARE(packet, QByteArray(RecordA, sizeof(RecordA)));
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}
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void TestDns::testWriteRecordAAAA()
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{
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QMdnsEngine::Record record;
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record.setName(Name);
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record.setType(QMdnsEngine::AAAA);
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record.setTtl(Ttl);
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record.setAddress(Ipv6Address);
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WRITE_RECORD();
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QCOMPARE(packet, QByteArray(RecordAAAA, sizeof(RecordAAAA)));
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}
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void TestDns::testWriteRecordPTR()
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{
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QMdnsEngine::Record record;
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record.setName(Name);
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record.setType(QMdnsEngine::PTR);
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record.setTtl(Ttl);
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record.setTarget(Target);
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WRITE_RECORD();
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QCOMPARE(packet, QByteArray(RecordPTR, sizeof(RecordPTR)));
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}
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void TestDns::testWriteRecordSRV()
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{
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QMdnsEngine::Record record;
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record.setName(Name);
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record.setType(QMdnsEngine::SRV);
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record.setTtl(Ttl);
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record.setPriority(Priority);
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record.setWeight(Weight);
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record.setPort(Port);
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record.setTarget(Target);
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WRITE_RECORD();
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QCOMPARE(packet, QByteArray(RecordSRV, sizeof(RecordSRV)));
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}
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void TestDns::testWriteRecordTXT()
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{
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QMdnsEngine::Record record;
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record.setName(Name);
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record.setType(QMdnsEngine::TXT);
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record.setTtl(Ttl);
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for (auto i = Attributes.constBegin(); i != Attributes.constEnd(); ++i) {
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record.addAttribute(i.key(), i.value());
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}
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WRITE_RECORD();
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QCOMPARE(packet, QByteArray(RecordTXT, sizeof(RecordTXT)));
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}
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QTEST_MAIN(TestDns)
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#include "TestDns.moc"
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