/// <summary>
/// Initializes a new instance of the <see cref="ResourceRecordInfo" /> class.
/// </summary>
/// <param name="domainName">The <see cref="DnsString" /> used by the query.</param>
/// <param name="recordType">Type of the record.</param>
/// <param name="recordClass">The record class.</param>
/// <param name="timeToLive">The time to live.</param>
/// <param name="rawDataLength">Length of the raw data.</param>
/// <exception cref="System.ArgumentNullException">If <paramref name="domainName" /> is null or empty.</exception>
public ResourceRecordInfo(DnsString domainName, ResourceRecordType recordType, QueryClass recordClass, int timeToLive, int rawDataLength)
{
DomainName = domainName ?? throw new ArgumentNullException(nameof(domainName));
RecordType = recordType;
RecordClass = recordClass;
TimeToLive = timeToLive;
RawDataLength = rawDataLength;
}
public SrvRecord(ResourceRecordInfo info, ushort priority, ushort weigth, ushort port, DnsString target)
: base(info)
{
Priority = priority;
Weight = weigth;
Port = port;
Target = target;
}
public void DnsString_Equals()
{
var val = "Aäb.bÜlöb.cscöälüpqläö.d.com.";
DnsString name = DnsString.ParseQueryString(val);
DnsString name2 = DnsString.ParseQueryString(val);
Assert.True(name.Equals(name2));
}
public void DnsString_EqualsString()
{
var val = "abc.";
DnsString name = DnsString.ParseQueryString(val);
string name2 = val;
Assert.True(name.Equals(name2));
}
public void QueryName_AcceptsService()
{
var name = DnsString.ParseQueryString("_abc._xyz._example.com");
var strValue = name.ToString();
// ending
Assert.Equal("_abc._xyz._example.com.", strValue);
}
public void DnsString_NotEqualsNull()
{
var name = DnsString.Parse("abc");
DnsString name2 = null;
// ReSharper disable once ExpressionIsAlwaysNull
Assert.False(name.Equals(name2));
}
public void DnsString_EqualsString()
{
var val = "abc.";
var name = DnsString.Parse(val);
var name2 = val;
Assert.True(name.ToString().Equals(name2));
}
public void DnsString_Hashcode()
{
var val = "Aäb.bÜlöb.cscöälüpqläö.d.com.";
var name = DnsString.Parse(val);
var name2 = DnsString.Parse(val);
Assert.True(name.GetHashCode().Equals(name2.GetHashCode()));
}
public void DnsString_IllegalEscape()
{
Action act = () => DnsString.ParseQueryString("abc.zy\\.z.com");
var ex = Record.Exception(act);
Assert.Contains("not a valid host name", ex.Message);
}
public void DnsString_HashcodeNot()
{
var val = "Aäb.bÜlöb.cscöälüpqläö.d.com.";
DnsString name = DnsString.Parse(val);
DnsString name2 = DnsString.Parse("asdasd");
Assert.False(name.GetHashCode().Equals(name2.GetHashCode()));
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceRecordInfo" /> class.
/// </summary>
/// <param name="domainName">The <see cref="DnsString" /> used by the query.</param>
/// <param name="recordType">Type of the record.</param>
/// <param name="recordClass">The record class.</param>
/// <param name="timeToLive">The time to live.</param>
/// <param name="rawDataLength">Length of the raw data.</param>
/// <exception cref="System.ArgumentNullException">If <paramref name="domainName" /> is null or empty.</exception>
public ResourceRecordInfo(DnsString domainName, ResourceRecordType recordType, QueryClass recordClass, int timeToLive, int rawDataLength)
{
DomainName = domainName ?? throw new ArgumentNullException(nameof(domainName));
RecordType = recordType;
RecordClass = recordClass;
RawDataLength = rawDataLength;
InitialTimeToLive = timeToLive;
_ticks = (int)(Environment.TickCount / 1000d);
}
public void DnsString_ReadPuny_IDNA2003_Invalid()
{
// IDNA new would be: "xn--fuball-cta.example"
var expected = "fussball.example.";
var val = "fußball.example";
DnsString result = DnsString.Parse(val);
Assert.Equal(expected, result.Value);
}
public void DatagramReader_LabelTest_DnsName2()
{
var data = ReferenceBitData.Concat(new byte[] { 192, 23 });
var reader = new DnsDatagramReader(new ArraySegment <byte>(data.ToArray()));
reader.Index = 36;
DnsString name = reader.ReadDnsName();
Assert.Equal(name.Value, "eeeee.dd.c.aa.com.");
}
public void DatagramReader_LabelTest_DnsName_LengthOutOfBounds()
{
var data = ReferenceBitData.Concat(new byte[] { 192, 23 });
var reader = new DnsDatagramReader(new ArraySegment <byte>(data.ToArray()));
reader.Advance(36);
DnsString name = reader.ReadDnsName();
Assert.Equal("eeeee.dd.c.aa.com.", name.Value);
}
public void DnsRecordFactory_ARecord()
{
var data = new byte[] { 23, 24, 25, 26 };
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("example.com"), ARecord.ResourceRecordType, QueryClass.In, 0, data.Length);
var result = factory.GetRecord(info, reader) as ARecord ?? throw new Exception();
Assert.Equal(result.Address, IPAddress.Parse("23.24.25.26"));
}
public void DnsRecordFactory_AAAARecordNotEnoughData()
{
var data = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("example.com"), AaaaRecord.ResourceRecordType, QueryClass.In, 0, data.Length);
Action act = () => factory.GetRecord(info, reader);
Assert.ThrowsAny <IndexOutOfRangeException>(act);
}
public void DnsRecordFactory_SRVRecordEmpty()
{
var data = new byte[0];
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("query.example.com"), SrvRecord.ResourceRecordType, QueryClass.In, 0, data.Length);
Action act = () => factory.GetRecord(info, reader);
Assert.ThrowsAny <IndexOutOfRangeException>(act);
}
public void DnsRecordFactory_PTRRecordEmptyName()
{
var data = new byte[] { 0 };
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("query.example.com"), PtrRecord.ResourceRecordType, QueryClass.In, 0, data.Length);
var result = factory.GetRecord(info, reader) as PtrRecord ?? throw new Exception();
Assert.Equal(".", result.PtrDomainName.Value);
}
public void DnsRecordFactory_TXTRecordWrongTextLength()
{
var data = new byte[0];
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("query.example.com"), TxtRecord.ResourceRecordType, QueryClass.In, 0, data.Length);
var result = factory.GetRecord(info, reader) as TxtRecord ?? throw new Exception();
Assert.Empty(result.EscapedText);
}
public MgRecord(ResourceRecordInfo info, DnsString name)
: base(info)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
MgName = name;
}
public PtrRecord(ResourceRecordInfo info, DnsString ptrDName)
: base(info)
{
if (ptrDName == null)
{
throw new ArgumentNullException(nameof(ptrDName));
}
PtrDomainName = ptrDName;
}
public void Ip_Arpa_v4_Valid()
{
var ip = IPAddress.Parse("8.8.4.4");
var client = new LookupClient(NameServer.GooglePublicDns);
var result = DnsString.Parse(ip.GetArpaName());
var queryResult = client.QueryReverse(ip);
Assert.Equal("4.4.8.8.in-addr.arpa.", result);
Assert.Contains("dns.google", queryResult.Answers.PtrRecords().First().PtrDomainName);
}
public void DnsRecordFactory_AAAARecord()
{
var data = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("example.com"), AaaaRecord.ResourceRecordType, QueryClass.In, 0, data.Length);
var result = factory.GetRecord(info, reader) as AaaaRecord ?? throw new Exception();
Assert.Equal(result.Address, IPAddress.Parse("102:304:506:708:90a:b0c:d0e:f10"));
Assert.Equal(result.Address.GetAddressBytes(), data);
}
public void DnsRecordFactory_MXRecordEmptyName()
{
var data = new byte[] { 1, 0, 0 };
var factory = GetFactory(data, out var reader);
var info = new ResourceRecord(DnsString.Parse("query.example.com"), MxRecord.ResourceRecordType, QueryClass.In, 0, data.Length);
var result = factory.GetRecord(info, reader) as MxRecord ?? throw new Exception();
Assert.Equal(256, result.Preference);
Assert.Equal(".", result.Exchange.Value);
}
/// <summary>
/// Initializes a new instance of the <see cref="SoaRecord" /> class.
/// </summary>
/// <param name="info">The information.</param>
/// <param name="mName">Name original domain name.</param>
/// <param name="rName">Name responsible domain name.</param>
/// <param name="serial">The serial number.</param>
/// <param name="refresh">The refresh time.</param>
/// <param name="retry">The retry time.</param>
/// <param name="expire">The expire time.</param>
/// <param name="minimum">The minimum TTL.</param>
/// <exception cref="System.ArgumentNullException">
/// If <paramref name="info"/> or <paramref name="mName"/> or <paramref name="rName"/> is null.
/// </exception>
public SoaRecord(ResourceRecordInfo info, DnsString mName, DnsString rName, uint serial, uint refresh, uint retry, uint expire, uint minimum)
: base(info)
{
MName = mName ?? throw new ArgumentNullException(nameof(mName));
RName = rName ?? throw new ArgumentNullException(nameof(rName));
Serial = serial;
Refresh = refresh;
Retry = retry;
Expire = expire;
Minimum = minimum;
}
public void Ip_Arpa_v4_Valid()
{
var ip = IPAddress.Parse("127.0.0.1");
var client = new LookupClient();
var result = DnsString.Parse(ip.GetArpaName());
var queryResult = client.QueryReverse(ip);
Assert.Equal("1.0.0.127.in-addr.arpa.", result);
Assert.Equal("localhost.", queryResult.Answers.PtrRecords().First().PtrDomainName);
}
public MxRecord(ResourceRecordInfo info, ushort preference, DnsString domainName)
: base(info)
{
if (domainName == null)
{
throw new ArgumentNullException(nameof(domainName));
}
Preference = preference;
Exchange = domainName;
}
public void Ip_Arpa_v6_Valid()
{
var ip = NameServer.GooglePublicDns2IPv6.Address;
var client = new LookupClient(NameServer.GooglePublicDnsIPv6);
var result = DnsString.Parse(ip.GetArpaName());
var queryResult = client.QueryReverse(ip);
Assert.Equal("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.", result);
Assert.Contains("dns.google", queryResult.Answers.PtrRecords().First().PtrDomainName);
}
public SoaRecord(ResourceRecordInfo info, DnsString mName, DnsString rName, uint serial, uint refresh, uint retry, uint expire, uint minimum)
: base(info)
{
MName = mName;
RName = rName;
Serial = serial;
Refresh = refresh;
Retry = retry;
Expire = expire;
Minimum = minimum;
}
public void DnsRecordFactory_PTRRecord()
{
var name = DnsString.Parse("result.example.com");
var writer = new DnsDatagramWriter();
writer.WriteHostName(name.Value);
var factory = GetFactory(writer.Data.ToArray());
var info = new ResourceRecordInfo("query.example.com", ResourceRecordType.PTR, QueryClass.IN, 0, writer.Data.Count);
var result = factory.GetRecord(info) as PtrRecord;
Assert.Equal(result.PtrDomainName, name);
}
