internal SocksProxyBindHandler(Socket socket, EndPoint bindEP)
{
_socket = socket;
_replyCode = SocksProxyReplyCode.Succeeded;
_bindEP = bindEP;
}
public BindHandler(IPEndPoint bindEP, byte[] bindToInterfaceName = null)
{
switch (bindEP.AddressFamily)
{
case AddressFamily.InterNetwork:
case AddressFamily.InterNetworkV6:
_socket = new Socket(bindEP.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
if (bindToInterfaceName is not null)
{
_socket.SetRawSocketOption(SOL_SOCKET, SO_BINDTODEVICE, bindToInterfaceName);
}
_socket.Bind(bindEP);
_socket.Listen(1);
_socket.NoDelay = true;
_replyCode = SocksProxyReplyCode.Succeeded;
_bindEP = new IPEndPoint(bindEP.Address, (_socket.LocalEndPoint as IPEndPoint).Port);
break;
default:
_replyCode = SocksProxyReplyCode.AddressTypeNotSupported;
_bindEP = new IPEndPoint(IPAddress.Any, 0);
break;
}
}
public BindHandler(AddressFamily family)
{
EndPoint localEP = null;
NetworkInfo networkInfo = null;
switch (family)
{
case AddressFamily.InterNetwork:
localEP = new IPEndPoint(IPAddress.Any, 0);
networkInfo = NetUtilities.GetDefaultIPv4NetworkInfo();
break;
case AddressFamily.InterNetworkV6:
localEP = new IPEndPoint(IPAddress.IPv6Any, 0);
networkInfo = NetUtilities.GetDefaultIPv6NetworkInfo();
break;
default:
_replyCode = SocksProxyReplyCode.AddressTypeNotSupported;
_bindEP = new IPEndPoint(IPAddress.Any, 0);
break;
}
if (localEP != null)
{
if (networkInfo == null)
{
_replyCode = SocksProxyReplyCode.NetworkUnreachable;
_bindEP = new IPEndPoint(IPAddress.Any, 0);
}
else
{
_socket = new Socket(localEP.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
_socket.Bind(localEP);
_socket.Listen(1);
_socket.NoDelay = true;
_replyCode = SocksProxyReplyCode.Succeeded;
_bindEP = new IPEndPoint(networkInfo.LocalIP, (_socket.LocalEndPoint as IPEndPoint).Port);
}
}
}
public BindHandler(IPEndPoint bindEP)
{
switch (bindEP.AddressFamily)
{
case AddressFamily.InterNetwork:
case AddressFamily.InterNetworkV6:
_socket = new Socket(bindEP.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
_socket.Bind(bindEP);
_socket.Listen(1);
_socket.NoDelay = true;
_replyCode = SocksProxyReplyCode.Succeeded;
_bindEP = new IPEndPoint(bindEP.Address, (_socket.LocalEndPoint as IPEndPoint).Port);
break;
default:
_replyCode = SocksProxyReplyCode.AddressTypeNotSupported;
_bindEP = new IPEndPoint(IPAddress.Any, 0);
break;
}
}
internal SocksProxyBindHandler(SocksProxyReplyCode replyCode)
{
_replyCode = replyCode;
_bindEP = new IPEndPoint(IPAddress.Any, 0);
}
public SocksProxyAuthenticationFailedException(string message, SocksProxyReplyCode replyCode)
: base(message)
{
_replyCode = replyCode;
}
public SocksProxyException(string message, SocksProxyReplyCode replyCode)
: base(message)
{
_replyCode = replyCode;
}
public SocksProxyReply(SocksProxyReplyCode reply, EndPoint bindEP)
{
_version = SOCKS_VERSION;
_reply = reply;
_bindEP = bindEP;
}
public SocksProxyReply(SocksProxyReplyCode reply)
: this(reply, new IPEndPoint(IPAddress.Any, 0))
{
}