/// <summary>
/// Performs Username/Password authentication.
/// </summary>
/// <exception cref="Socks5Exception">The server returned invalid or
/// unexpected data, or authentication failed.</exception>
void Authenticate()
{
byte[] bytes = new AuthRequest(Username, Password).Serialize();
stream.Write(bytes, 0, bytes.Length);
// Read the server's response.
bytes = new byte[2];
stream.Read(bytes, 0, 2);
AuthResponse response = AuthResponse.Deserialize(bytes);
if (!response.Success)
{
throw new Socks5Exception("Authentication failed.");
}
}
public static AuthResponse Deserialize(byte[] buffer)
{
AuthResponse response;
buffer.ThrowIfNull <byte[]>("buffer");
using (MemoryStream stream = new MemoryStream(buffer))
{
using (BinaryReader reader = new BinaryReader(stream))
{
if (reader.ReadByte() != 1)
{
throw new SerializationException("Invalid auth response.");
}
bool success = reader.ReadByte() == 0;
response = new AuthResponse(success);
}
}
return(response);
}