public byte[] GetBytes(uint ttl, string replyIP)
{
byte[] rdata = Utilities.BlockCopy(new byte[2], IPAddress.Parse(replyIP).GetAddressBytes());
this.Header = new NetBIOSNSHeader
{
ID = this.Header.ID,
R = true,
Opcode = "0000",
AA = true,
TC = false,
RD = true,
RA = false,
Z = "00",
B = false,
RCode = "0000",
QDCount = 0,
ANCount = 1
};
this.Resource = new NetBIOSNSResource
{
Name = this.Question.QName,
Type = this.Question.QType,
Class = this.Question.QClass,
TTL = ttl,
RDLength = 6,
RData = rdata
};
return(Utilities.BlockCopy(this.Header.GetBytes(), this.Resource.GetBytes()));
}
/// <summary>method <c>GetBytes</c> returns reply buffer.</summary>
public static byte[] GetBytes(NetBIOSNSHeader header, NetBIOSNSQuestion question, uint ttl, string replyIP)
{
byte[] rdata = Utilities.BlockCopy(new byte[2], IPAddress.Parse(replyIP).GetAddressBytes());
NetBIOSNSHeader responseHeader = new NetBIOSNSHeader
{
ID = header.ID,
R = true,
Opcode = "0000",
AA = true,
TC = false,
RD = true,
RA = false,
Z = "00",
B = false,
RCode = "0000",
QDCount = 0,
ANCount = 1
};
NetBIOSNSResource resource = new NetBIOSNSResource();
resource.Name = question.QName;
resource.Type = question.QType;
resource.Class = question.QClass;
resource.TTL = ttl;
resource.RDLength = 6;
resource.RData = rdata;
return(Utilities.BlockCopy(responseHeader.GetBytes(), resource.GetBytes()));
}
public byte[] Parse(uint ttl, string ip, byte[] data, out string name, out string type)
{
this.ReadBytes(data, 0);
name = "";
type = "";
if (this.QDCount == 1 && this.ANCount == 0)
{
NetBIOSNSQuestion question = new NetBIOSNSQuestion();
question.ReadBytes(data, 12);
NetBIOSNSResource response = new NetBIOSNSResource();
return(response.GetBytes(question, ttl, ip, this.ID));
}
return(null);
}
