public SoaRecord(DataBuffer buffer)
{
primaryNameServer = buffer.ReadDomainName();
responsibleMailAddress = buffer.ReadDomainName();
serial = buffer.ReadInt();
refresh = buffer.ReadInt();
retry = buffer.ReadInt();
expire = buffer.ReadInt();
defaultTtl = buffer.ReadInt();
}
/// <summary>
/// Implementation Reference RFC 2782
/// </summary>
/// <param name="buffer"></param>
public SrvRecord(DataBuffer buffer)
{
priority = buffer.ReadShortInt();
weight = buffer.ReadShortUInt();
port = buffer.ReadShortUInt();
domain = buffer.ReadDomainName();
}
/// <summary>
/// Implementation Reference RFC 3363
/// </summary>
/// <param name="buffer"></param>
public A6Record(DataBuffer buffer)
{
prefixLength = buffer.ReadByte();
if (prefixLength == 0) //Only Address Present
{
ipAddress = buffer.ReadIPv6Address();
}
else if (prefixLength == 128) //Only Domain Name Present
{
domain = buffer.ReadDomainName();
}
else //Address and Domain Name Present
{
ipAddress = buffer.ReadIPv6Address();
domain = buffer.ReadDomainName();
}
}
public TSigRecord(DataBuffer buffer)
{
algorithm = buffer.ReadDomainName();
timeSigned = buffer.ReadLongInt();
fudge = buffer.ReadShortUInt();
macSize = buffer.ReadShortUInt();
mac = buffer.ReadBytes(macSize);
originalId = buffer.ReadShortUInt();
error = buffer.ReadShortUInt();
otherLen = buffer.ReadShortUInt();
otherData = buffer.ReadBytes(otherLen);
}
/// <summary>
/// Implementation References RFC 2930
/// </summary>
/// <param name="buffer"></param>
public TKeyRecord(DataBuffer buffer)
{
algorithm = buffer.ReadDomainName();
inception = buffer.ReadUInt();
expiration = buffer.ReadUInt();
mode = buffer.ReadShortUInt();
error = buffer.ReadShortUInt();
keySize = buffer.ReadShortUInt();
keyData = buffer.ReadBytes(keySize);
otherSize = buffer.ReadShortUInt();
otherData = buffer.ReadBytes(otherSize);
}
/// <summary>
/// Implementation Reference RFC 2535
/// </summary>
/// <param name="buffer"></param>
/// <param name="length"></param>
public SigRecord(DataBuffer buffer, int length)
{
int pos = buffer.Position;
coveredType = buffer.ReadShortInt();
algorithm = buffer.ReadByte();
numLabels = buffer.ReadByte();
expiration = buffer.ReadUInt();
inception = buffer.ReadUInt();
keyTag = buffer.ReadShortInt();
signer = buffer.ReadDomainName();
buffer.Position = pos - length;
}
/// <summary>
/// Implementation Reference RFC 1183
/// </summary>
/// <param name="buffer"></param>
public RPRecord(DataBuffer buffer)
{
responsibleMailbox = buffer.ReadDomainName();
textDomain = buffer.ReadDomainName();
}
public PXRecord(DataBuffer buffer) : base(buffer)
{
x400Domain = buffer.ReadDomainName();
}
/// <summary>
/// Base class for all Record Types that have RDATA consisting of a single domain name
/// </summary>
/// <param name="buffer"></param>
public DomainNameOnly(DataBuffer buffer)
{
domain = buffer.ReadDomainName();
}
public MInfoRecord(DataBuffer buffer)
{
responsibleMailbox = buffer.ReadDomainName();
errorMailbox = buffer.ReadDomainName();
}
/// <summary>
/// Create a DNSEntry record and dispatch to data constructor
/// for thast record type
/// </summary>
/// <param name="buffer"></param>
public DnsEntry(DataBuffer buffer)
{
try
{
domain = buffer.ReadDomainName();
byte b = buffer.ReadByte();
recType = (RecordType)buffer.ReadShortInt();
classType = buffer.ReadShortInt();
ttl = buffer.ReadInt();
int length = buffer.ReadByte();
switch (recType)
{
case RecordType.A: data = new ARecord(buffer); break;
case RecordType.NS: data = new NSRecord(buffer); break;
case RecordType.CNAME: data = new CNameRecord(buffer); break;
case RecordType.SOA: data = new SoaRecord(buffer); break;
case RecordType.MB: data = new MBRecord(buffer); break;
case RecordType.MG: data = new MGRecord(buffer); break;
case RecordType.MR: data = new MRRecord(buffer); break;
case RecordType.NULL: data = new NullRecord(buffer, length); break;
case RecordType.WKS: data = new WksRecord(buffer, length); break;
case RecordType.PTR: data = new PtrRecord(buffer); break;
case RecordType.HINFO: data = new HInfoRecord(buffer, length); break;
case RecordType.MINFO: data = new MInfoRecord(buffer); break;
case RecordType.MX: data = new MXRecord(buffer); break;
case RecordType.TXT: data = new TxtRecord(buffer, length); break;
case RecordType.RP: data = new RPRecord(buffer); break;
case RecordType.AFSDB: data = new AfsdbRecord(buffer); break;
case RecordType.X25: data = new X25Record(buffer); break;
case RecordType.ISDN: data = new IsdnRecord(buffer); break;
case RecordType.RT: data = new RTRecord(buffer); break;
case RecordType.NSAP: data = new NsapRecord(buffer, length); break;
case RecordType.SIG: data = new SigRecord(buffer, length); break;
case RecordType.KEY: data = new KeyRecord(buffer, length); break;
case RecordType.PX: data = new PXRecord(buffer); break;
case RecordType.AAAA: data = new AAAARecord(buffer); break;
case RecordType.LOC: data = new LocRecord(buffer); break;
case RecordType.SRV: data = new SrvRecord(buffer); break;
case RecordType.NAPTR: data = new NaptrRecord(buffer); break;
case RecordType.KX: data = new KXRecord(buffer); break;
case RecordType.A6: data = new A6Record(buffer); break;
case RecordType.DNAME: data = new DNameRecord(buffer); break;
case RecordType.DS: data = new DSRecord(buffer, length); break;
case RecordType.TKEY: data = new TKeyRecord(buffer); break;
case RecordType.TSIG: data = new TSigRecord(buffer); break;
default: throw new DnsQueryException("Invalid DNS Record Type in DNS Response", null);
}
}
catch (Exception ex)
{
data = new ExceptionRecord(ex.Message);
throw ex;
}
}
/// <summary>
/// Create data record for AFSDB type from data buffer
/// </summary>
/// <param name="buffer"></param>
public AfsdbRecord(DataBuffer buffer)
{
subType = buffer.ReadShortInt();
domain = buffer.ReadDomainName();
}
/// <summary>
/// Create a Question record for Dns Answer
/// </summary>
/// <param name="buffer"></param>
public Question(DataBuffer buffer)
{
domain = buffer.ReadDomainName();
recType = (RecordType)buffer.ReadBEShortInt();
classType = buffer.ReadBEShortInt();
}
/// <summary>
/// Common class for all record types that contain a preference and a domain name
/// </summary>
/// <param name="buffer"></param>
public PrefAndDomain(DataBuffer buffer)
{
preference = buffer.ReadBEShortInt();
domain = buffer.ReadDomainName();
}