public override void Parse(STUNMessage msg, STUNBinaryReader binary, int length)
{
binary.BaseStream.Position += 3;
var b = binary.ReadByte();
ChangeIP = ((b & 4) != 0);
ChangePort = ((b & 2) != 0);
}
public override void Parse(STUNMessage msg, STUNBinaryReader binary, int length)
{
binary.BaseStream.Position++;
var ipFamily = binary.ReadByte();
// Port is computed by taking the mapped port in host byte order,
// XOR'ing it with the most significant 16 bits of the magic cookie.
byte[] p = binary.ReadBytes(2);
for (int i = 0; i < 2; ++i)
{
p[i] = (byte)(p[i] ^ msg.TransactionID[i]);
}
if (BitConverter.IsLittleEndian)
{
Array.Reverse(p);
}
var port = BitConverter.ToUInt16(p, 0);
IPAddress address;
if (ipFamily == 1)
{
// IPv4 address is computed by taking the mapped IP
// address in host byte order and XOR'ing it with the magic cookie.
byte [] a = binary.ReadBytes(4);
for (int i = 0; i < 4; ++i)
{
a[i] = (byte)(a[i] ^ msg.TransactionID[i]);
}
address = new IPAddress(a);
}
else if (ipFamily == 2)
{
// IPv6 address is computed by taking the mapped IP address
// in host byte order, XOR'ing it with the concatenation of the magic
// cookie and the 96 - bit transaction ID.
byte[] a = binary.ReadBytes(16);
for (int i = 0; i < 16; ++i)
{
a[i] = (byte)(a[i] ^ msg.TransactionID[i]);
}
address = new IPAddress(a);
}
else
{
throw new Exception("Unsupported IP Family " + ipFamily.ToString());
}
EndPoint = new IPEndPoint(address, port);
}
public override void Parse(STUNMessage msg, STUNBinaryReader binary, int length)
{
binary.BaseStream.Position++;
var ipFamily = binary.ReadByte();
var port = binary.ReadUInt16();
IPAddress address;
if (ipFamily == 1)
{
address = new IPAddress(binary.ReadBytes(4));
}
else if (ipFamily == 2)
{
address = new IPAddress(binary.ReadBytes(16));
}
else
{
throw new Exception("Unsupported IP Family " + ipFamily.ToString());
}
EndPoint = new IPEndPoint(address, port);
}
public override void Parse(STUNMessage msg, STUNBinaryReader binary, int length)
{
throw new NotImplementedException();
}
public override void Parse(STUNMessage msg, STUNBinaryReader binary, int length)
{
Text = Encoding.ASCII.GetString(binary.ReadBytes(length));
}
