/// <summary>
/// Waits until the connected client sends a SOCKS5 request.
/// </summary>
/// <returns>The SOCKS5 request sent by the client.</returns>
/// <exception cref="Socks5Exception">The data sent by the client
/// is not a valid SOCKS5 request.</exception>
SocksRequest WaitForRequest()
{
ByteBuilder b = new ByteBuilder();
using (var r = new BinaryReader(stream, Encoding.UTF8, true)) {
byte[] bytes = r.ReadBytes(4);
b.Append(bytes);
ATyp atyp = (ATyp)bytes[3];
switch (atyp)
{
case ATyp.IPv4:
case ATyp.IPv6:
b.Append(r.ReadBytes(atyp == ATyp.IPv4 ? 4 : 16));
break;
case ATyp.Domain:
byte length = r.ReadByte();
b.Append(length).Append(r.ReadBytes(length));
break;
}
b.Append(r.ReadBytes(2));
}
try {
return(SocksRequest.Deserialize(b.ToArray()));
} catch (Exception e) {
throw new Socks5Exception("The request could not be serialized.", e);
}
}
private SocksRequest WaitForRequest()
{
SocksRequest request;
ByteBuilder builder = new ByteBuilder();
using (BinaryReader reader = new BinaryReader(this.stream, Encoding.UTF8))
{
byte[] values = reader.ReadBytes(4);
builder.Append(values);
ATyp typ = (ATyp)values[3];
switch (typ)
{
case ATyp.IPv4:
case ATyp.IPv6:
builder.Append(reader.ReadBytes((typ == ATyp.IPv4) ? 4 : 0x10));
break;
case ATyp.Domain:
{
byte count = reader.ReadByte();
builder.Append(new byte[] { count }).Append(reader.ReadBytes(count));
break;
}
}
builder.Append(reader.ReadBytes(2));
}
try
{
request = SocksRequest.Deserialize(builder.ToArray());
}
catch (Exception exception)
{
throw new Socks5Exception("The request could not be serialized.", exception);
}
return(request);
}
