public RecordTXT(RecordReader rr, int Length)
{
int pos = rr.Position;
TXT = new List<string>();
while ((rr.Position - pos) < Length)
TXT.Add(rr.ReadString());
}
public RecordKEY(RecordReader rr)
{
FLAGS = rr.ReadUInt16();
PROTOCOL = rr.ReadByte();
ALGORITHM = rr.ReadByte();
PUBLICKEY = rr.ReadString();
}
public Response(IPEndPoint iPEndPoint, byte[] data)
{
Error = "";
Server = iPEndPoint;
TimeStamp = DateTime.Now;
MessageSize = data.Length;
RecordReader rr = new RecordReader(data);
Questions = new List<Question>();
Answers = new List<AnswerRR>();
Authorities = new List<AuthorityRR>();
Additionals = new List<AdditionalRR>();
header = new Header(rr);
for (int intI = 0; intI < header.QDCOUNT; intI++)
{
Questions.Add(new Question(rr));
}
for (int intI = 0; intI < header.ANCOUNT; intI++)
{
Answers.Add(new AnswerRR(rr));
}
for (int intI = 0; intI < header.NSCOUNT; intI++)
{
Authorities.Add(new AuthorityRR(rr));
}
for (int intI = 0; intI < header.ARCOUNT; intI++)
{
Additionals.Add(new AdditionalRR(rr));
}
}
public string ReadDomainName()
{
var bytes = new List<byte>();
int length = 0;
// get the length of the first label
while ((length = ReadByte()) != 0)
{
// top 2 bits set denotes domain name compression and to reference elsewhere
if ((length & 0xc0) == 0xc0)
{
// work out the existing domain name, copy this pointer
RecordReader newRecordReader = new RecordReader(m_Data, (length & 0x3f) << 8 | ReadByte());
if (bytes.Count > 0)
{
return Encoding.UTF8.GetString(bytes.ToArray(), 0, bytes.Count) + newRecordReader.ReadDomainName();
}
return newRecordReader.ReadDomainName();
}
// if not using compression, copy a char at a time to the domain name
while (length > 0)
{
bytes.Add(ReadByte());
length--;
}
bytes.Add((byte)'.');
}
if (bytes.Count == 0)
return ".";
return Encoding.UTF8.GetString(bytes.ToArray(), 0, bytes.Count);
}
public RecordSRV(RecordReader rr)
{
PRIORITY = rr.ReadUInt16();
WEIGHT = rr.ReadUInt16();
PORT = rr.ReadUInt16();
TARGET = rr.ReadDomainName();
}
public string ReadDomainName()
{
StringBuilder name = new StringBuilder();
int length = 0;
// get the length of the first label
while ((length = ReadByte()) != 0)
{
// top 2 bits set denotes domain name compression and to reference elsewhere
if ((length & 0xc0) == 0xc0)
{
// work out the existing domain name, copy this pointer
RecordReader newRecordReader = new RecordReader(m_Data, (length & 0x3f) << 8 | ReadByte());
name.Append(newRecordReader.ReadDomainName());
return name.ToString();
}
// if not using compression, copy a char at a time to the domain name
while (length > 0)
{
name.Append(ReadChar());
length--;
}
name.Append('.');
}
if (name.Length == 0)
return ".";
else
return name.ToString();
}
public RecordNSEC(RecordReader rr)
{
// re-read length
ushort RDLENGTH = rr.ReadUInt16(-2);
RDATA = rr.ReadBytes(RDLENGTH);
}
public RecordSRV(RecordReader rr)
{
Priority = rr.ReadShort();
Weight = rr.ReadShort();
Port = rr.ReadShort();
Target = rr.ReadDomainName();
}
public RecordUnknown(RecordReader rr)
{
rr.Position -=2;
// re-read length
ushort RDLENGTH = rr.ReadShort();
// skip bytes
rr.ReadBytes(RDLENGTH);
}
public RecordNXT(RecordReader rr)
{
ushort length = rr.ReadUInt16(-2);
NEXTDOMAINNAME = rr.ReadDomainName();
length -= (ushort)rr.Position;
BITMAP = new byte[length];
BITMAP = rr.ReadBytes(length);
}
public RecordA(RecordReader rr)
{
Address = string.Format("{0}.{1}.{2}.{3}",
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte());
}
public RecordA(RecordReader rr)
{
System.Net.IPAddress.TryParse(string.Format(CultureInfo.InvariantCulture, "{0}.{1}.{2}.{3}",
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte()), out this.m_address);
}
public RecordNULL(RecordReader rr)
{
rr.Position -= 2;
// re-read length
ushort RDLENGTH = rr.ReadUInt16();
ANYTHING = new byte[RDLENGTH];
ANYTHING = rr.ReadBytes(RDLENGTH);
}
public RecordA(RecordReader rr)
{
System.Net.IPAddress.TryParse(string.Format("{0}.{1}.{2}.{3}",
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte()), out this.Address);
}
public RecordNAPTR(RecordReader rr)
{
ORDER = rr.ReadUInt16();
PREFERENCE = rr.ReadUInt16();
FLAGS = rr.ReadString();
SERVICES = rr.ReadString();
REGEXP = rr.ReadString();
REPLACEMENT = rr.ReadDomainName();
}
public RecordA(RecordReader rr)
{
Address = new System.Net.IPAddress(rr.ReadBytes(4));
//System.Net.IPAddress.TryParse(string.Format("{0}.{1}.{2}.{3}",
// rr.ReadByte(),
// rr.ReadByte(),
// rr.ReadByte(),
// rr.ReadByte()), out this.Address);
}
public RecordSOA(RecordReader rr)
{
MNAME = rr.ReadDomainName();
RNAME = rr.ReadDomainName();
SERIAL = rr.ReadInt();
REFRESH = rr.ReadInt();
RETRY = rr.ReadInt();
EXPIRE = rr.ReadInt();
MINIMUM = rr.ReadInt();
}
public RecordSOA(RecordReader rr)
{
MNAME = rr.ReadDomainName();
RNAME = rr.ReadDomainName();
SERIAL = rr.ReadUInt32();
REFRESH = rr.ReadUInt32();
RETRY = rr.ReadUInt32();
EXPIRE = rr.ReadUInt32();
MINIMUM = rr.ReadUInt32();
}
public RecordLOC(RecordReader rr)
{
VERSION = rr.ReadByte(); // must be 0!
SIZE = rr.ReadByte();
HORIZPRE = rr.ReadByte();
VERTPRE = rr.ReadByte();
LATITUDE = rr.ReadUInt32();
LONGITUDE = rr.ReadUInt32();
ALTITUDE = rr.ReadUInt32();
}
public RecordDS(RecordReader rr)
{
ushort length = rr.ReadUInt16(-2);
KEYTAG = rr.ReadUInt16();
ALGORITHM = rr.ReadByte();
DIGESTTYPE = rr.ReadByte();
length -= 4;
DIGEST = new byte[length];
DIGEST = rr.ReadBytes(length);
}
public RecordTXT(RecordReader rr, int Length)
{
int pos = rr.Position;
TXT = new List <string>();
while ((rr.Position - pos) < Length)
{
TXT.Add(rr.ReadString());
}
}
public RecordNAPTR(RecordReader rr)
{
Order = rr.ReadShort();
Preference = rr.ReadShort();
rr.ReadChar(); // 1 byte needs to be skipped since for ENUM lookups the flag should be single char only.
Flag = rr.ReadChar();
Service = rr.ReadString();
Rule = rr.ReadString();
Rule = (Rule != null) ? Rule.Replace(@"\\", @"\") : null;
Replacement = rr.ReadDomainName();
}
public RecordNAPTR(RecordReader rr)
{
Order = rr.ReadShort();
Preference = rr.ReadShort();
rr.ReadChar(); // 1 byte needs to be skipped since for ENUM lookups the flag should be single char only.
Flag = rr.ReadChar();
Service = rr.ReadString();
Rule = rr.ReadString();
Rule = (Rule != null) ? Rule.Replace(@"\\", @"\") : null;
Replacement = rr.ReadDomainName();
}
public RecordDS(RecordReader rr)
{
ushort length = rr.ReadUInt16(-2);
KEYTAG = rr.ReadUInt16();
ALGORITHM = rr.ReadByte();
DIGESTTYPE = rr.ReadByte();
length -= 4;
DIGEST = new byte[length];
DIGEST = rr.ReadBytes(length);
}
public RR(RecordReader rr)
{
TimeLived = 0;
NAME = rr.ReadDomainName();
Type = (Type)rr.ReadUInt16();
Class = (Class)rr.ReadUInt16();
TTL = rr.ReadUInt32();
RDLENGTH = rr.ReadUInt16();
RECORD = rr.ReadRecord(Type);
RECORD.RR = this;
}
public RecordTKEY(RecordReader rr)
{
ALGORITHM = rr.ReadDomainName();
INCEPTION = rr.ReadUInt32();
EXPIRATION = rr.ReadUInt32();
MODE = rr.ReadUInt16();
ERROR = rr.ReadUInt16();
KEYSIZE = rr.ReadUInt16();
KEYDATA = rr.ReadBytes(KEYSIZE);
OTHERSIZE = rr.ReadUInt16();
OTHERDATA = rr.ReadBytes(OTHERSIZE);
}
public RecordTKEY(RecordReader rr)
{
ALGORITHM = rr.ReadDomainName();
INCEPTION = rr.ReadUInt32();
EXPIRATION = rr.ReadUInt32();
MODE = rr.ReadUInt16();
ERROR = rr.ReadUInt16();
KEYSIZE = rr.ReadUInt16();
KEYDATA = rr.ReadBytes(KEYSIZE);
OTHERSIZE = rr.ReadUInt16();
OTHERDATA = rr.ReadBytes(OTHERSIZE);
}
public RecordTSIG(RecordReader rr)
{
ALGORITHMNAME = rr.ReadDomainName();
TIMESIGNED = rr.ReadUInt32() << 32 | rr.ReadUInt32();
FUDGE = rr.ReadUInt16();
MACSIZE = rr.ReadUInt16();
MAC = rr.ReadBytes(MACSIZE);
ORIGINALID = rr.ReadUInt16();
ERROR = rr.ReadUInt16();
OTHERLEN = rr.ReadUInt16();
OTHERDATA = rr.ReadBytes(OTHERLEN);
}
public RecordAAAA(RecordReader rr)
{
Address = string.Format("{0:x}:{1:x}:{2:x}:{3:x}:{4:x}:{5:x}:{6:x}:{7:x}",
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16());
}
public RecordTSIG(RecordReader rr)
{
ALGORITHMNAME = rr.ReadDomainName();
TIMESIGNED = rr.ReadUInt32() << 32 | rr.ReadUInt32();
FUDGE = rr.ReadUInt16();
MACSIZE = rr.ReadUInt16();
MAC = rr.ReadBytes(MACSIZE);
ORIGINALID = rr.ReadUInt16();
ERROR = rr.ReadUInt16();
OTHERLEN = rr.ReadUInt16();
OTHERDATA = rr.ReadBytes(OTHERLEN);
}
public RecordSIG(RecordReader rr)
{
TYPECOVERED = rr.ReadUInt16();
ALGORITHM = rr.ReadByte();
LABELS = rr.ReadByte();
ORIGINALTTL = rr.ReadUInt32();
SIGNATUREEXPIRATION = rr.ReadUInt32();
SIGNATUREINCEPTION = rr.ReadUInt32();
KEYTAG = rr.ReadUInt16();
SIGNERSNAME = rr.ReadDomainName();
SIGNATURE = rr.ReadString();
}
public RecordAAAA(RecordReader rr)
{
Address = string.Format("{0:x}:{1:x}:{2:x}:{3:x}:{4:x}:{5:x}:{6:x}:{7:x}",
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16());
}
public RecordSIG(RecordReader rr)
{
TYPECOVERED = rr.ReadUInt16();
ALGORITHM = rr.ReadByte();
LABELS = rr.ReadByte();
ORIGINALTTL = rr.ReadUInt32();
SIGNATUREEXPIRATION = rr.ReadUInt32();
SIGNATUREINCEPTION = rr.ReadUInt32();
KEYTAG = rr.ReadUInt16();
SIGNERSNAME = rr.ReadDomainName();
SIGNATURE = rr.ReadString();
}
public RecordWKS(RecordReader rr)
{
ushort length = rr.ReadShort(-2);
ADDRESS = string.Format("{0}.{1}.{2}.{3}",
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte());
PROTOCOL = (int)rr.ReadByte();
length -= 5;
BITMAP = new byte[length];
BITMAP = rr.ReadBytes(length);
}
public RecordAAAA(RecordReader rr)
{
System.Net.IPAddress.TryParse(
string.Format("{0:x}:{1:x}:{2:x}:{3:x}:{4:x}:{5:x}:{6:x}:{7:x}",
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16()), out this.Address);
}
public RecordAAAA(RecordReader rr)
{
System.Net.IPAddress.TryParse(
string.Format(CultureInfo.InvariantCulture, "{0:x}:{1:x}:{2:x}:{3:x}:{4:x}:{5:x}:{6:x}:{7:x}",
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16()), out this.m_address);
}
public RecordAAAA(RecordReader rr)
{
System.Net.IPAddress.TryParse(
string.Format(CultureInfo.InvariantCulture, "{0:x}:{1:x}:{2:x}:{3:x}:{4:x}:{5:x}:{6:x}:{7:x}",
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16()), out this.m_address);
}
public RecordAAAA(RecordReader rr)
{
System.Net.IPAddress.TryParse(
string.Format("{0:x}:{1:x}:{2:x}:{3:x}:{4:x}:{5:x}:{6:x}:{7:x}",
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16(),
rr.ReadUInt16()), out this.Address);
}
public RecordWKS(RecordReader rr)
{
ushort length = rr.ReadUInt16(-2);
ADDRESS = string.Format(CultureInfo.InvariantCulture, "{0}.{1}.{2}.{3}",
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte());
PROTOCOL = (int)rr.ReadByte();
length -= 5;
BITMAP = new byte[length];
BITMAP = rr.ReadBytes(length);
}
public RecordWKS(RecordReader rr)
{
ushort length = rr.ReadShort(-2);
ADDRESS = string.Format("{0}.{1}.{2}.{3}",
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte(),
rr.ReadByte());
PROTOCOL = (int)rr.ReadByte();
length -= 5;
BITMAP = new byte[length];
BITMAP = rr.ReadBytes(length);
}
public RecordCERT(RecordReader rr)
{
// re-read length
ushort RDLENGTH = rr.ReadUInt16(-2);
//RDATA = rr.ReadBytes(RDLENGTH);
TYPE = rr.ReadUInt16();
KEYTAG = rr.ReadUInt16();
ALGORITHM = rr.ReadByte();
var length = RDLENGTH - 5;
RAWKEY = rr.ReadBytes(length);
PUBLICKEY = Convert.ToBase64String(RAWKEY);
}
public RR(RecordReader rr)
{
TimeLived = 0;
NAME = rr.ReadDomainName();
Type = (DNSType)rr.ReadShort();
Class = (Class)rr.ReadShort();
TTL = rr.ReadInt();
RDLENGTH = rr.ReadShort();
//Console.WriteLine("RDLENGTH : " + RDLENGTH.ToString());
RECORD = rr.ReadRecord(Type);
//Console.WriteLine("Type : " + Type.ToString());
RECORD.RR = this;
//Console.WriteLine("TTL=" + TTL + ".");
if (TTL <= 0)
{
TTL = MIN_TTL;
}
}
public DNSResponse(IPEndPoint iPEndPoint, byte[] data)
{
Server = iPEndPoint;
TimeStamp = DateTime.Now;
MessageSize = data.Length;
RecordReader rr = new RecordReader(data);
Questions = new List <Question>();
Answers = new List <AnswerRR>();
Authorities = new List <AuthorityRR>();
Additionals = new List <AdditionalRR>();
header = new Header(rr);
for (int intI = 0; intI < header.QDCOUNT; intI++)
{
Questions.Add(new Question(rr));
}
for (int intI = 0; intI < header.ANCOUNT; intI++)
{
Answers.Add(new AnswerRR(rr));
}
for (int intI = 0; intI < header.NSCOUNT; intI++)
{
Authorities.Add(new AuthorityRR(rr));
}
for (int intI = 0; intI < header.ARCOUNT; intI++)
{
Additionals.Add(new AdditionalRR(rr));
}
if (header.RCODE != RCode.NOERROR)
{
Error = header.RCODE.ToString();
}
}
public string ReadDomainName()
{
StringBuilder name = new StringBuilder();
int length = 0;
// get the length of the first label
while ((length = ReadByte()) != 0)
{
// top 2 bits set denotes domain name compression and to reference elsewhere
if ((length & 0xc0) == 0xc0)
{
// work out the existing domain name, copy this pointer
RecordReader newRecordReader = new RecordReader(m_Data, (length & 0x3f) << 8 | ReadByte());
name.Append(newRecordReader.ReadDomainName());
return(name.ToString());
}
// if not using compression, copy a char at a time to the domain name
while (length > 0)
{
name.Append(ReadChar());
length--;
}
name.Append('.');
}
if (name.Length == 0)
{
return(".");
}
else
{
return(name.ToString());
}
}
public RecordMG(RecordReader rr)
{
MGMNAME = rr.ReadDomainName();
}
public RecordRP(RecordReader rr)
{
//MBOXDNAME = rr.ReadString();
MBOXDNAME = rr.ReadDomainName();
TXTDNAME = rr.ReadDomainName();
}
public RecordTXT(RecordReader rr)
{
TXT = rr.ReadString();
}
public RecordTXT(RecordReader rr)
{
TXT = rr.ReadString();
}
public RecordNSAP(RecordReader rr)
{
LENGTH = rr.ReadUInt16();
NSAPADDRESS = rr.ReadBytes(LENGTH);
}
public RecordMX(RecordReader rr)
{
PREFERENCE = rr.ReadShort();
EXCHANGE = rr.ReadDomainName();
}
public AdditionalRR(RecordReader br)
: base(br)
{
}
/// <summary>
/// .ctor using record (from response)
/// </summary>
/// <param name="rr"></param>
public Question(RecordReader rr)
{
QName = rr.ReadDomainName();
QType = (QType)rr.ReadUInt16();
QClass = (QClass)rr.ReadUInt16();
}
public RecordGPOS(RecordReader rr)
{
LONGITUDE = rr.ReadString();
LATITUDE = rr.ReadString();
ALTITUDE = rr.ReadString();
}
public AnswerRR(RecordReader br)
: base(br)
{
}
public RecordMB(RecordReader rr)
{
MADNAME = rr.ReadDomainName();
}
public RecordMINFO(RecordReader rr)
{
RMAILBX = rr.ReadDomainName();
EMAILBX = rr.ReadDomainName();
}
public RecordLOC(RecordReader rr)
{
VERSION = rr.ReadByte(); // must be 0!
SIZE = rr.ReadByte();
HORIZPRE = rr.ReadByte();
VERTPRE = rr.ReadByte();
LATITUDE = rr.ReadUInt32();
LONGITUDE = rr.ReadUInt32();
ALTITUDE = rr.ReadUInt32();
}
public Question(RecordReader rr)
{
QName = rr.ReadDomainName();
QType = (DNSQType)rr.ReadShort();
QClass = (QClass)rr.ReadShort();
}
public RecordCNAME(RecordReader rr)
{
CNAME = rr.ReadDomainName();
}
public AuthorityRR(RecordReader br)
: base(br)
{
}