private bool CommitConnectionOptions()
{
string itemname = "";
try {
_options.UseSocks = _useSocks.Checked;
if (_options.UseSocks && _socksServerBox.Text.Length == 0)
{
throw new Exception(Env.Strings.GetString("Message.OptionDialog.EmptySOCKSServer"));
}
_options.SocksServer = _socksServerBox.Text;
itemname = Env.Strings.GetString("Caption.OptionDialog.SOCKSPort");
_options.SocksPort = Int32.Parse(_socksPortBox.Text);
_options.SocksAccount = _socksAccountBox.Text;
_options.SocksPassword = _socksPasswordBox.Text;
itemname = Env.Strings.GetString("Caption.OptionDialog.NetworkAddress");
foreach (string c in _socksNANetworksBox.Text.Split(';'))
{
if (!NetUtil.IsNetworkAddress(c))
{
throw new FormatException();
}
}
_options.SocksNANetworks = _socksNANetworksBox.Text;
return(true);
}
catch (FormatException) {
Util.Warning(this, String.Format(Env.Strings.GetString("Message.OptionDialog.InvalidItem"), itemname));
return(false);
}
catch (Exception ex) {
Util.Warning(this, ex.Message);
return(false);
}
}
protected virtual void MakeConnection()
{
#if false
//まずSOCKSを使うべきかどうかを判定する
if (_socks != null)
{
IPAddressSet a = null;
try {
a = new IPAddressSet(IPAddress.Parse(_socks.DestName));
}
catch (FormatException) {
try {
a = new IPAddressSet(_socks.DestName);
}
catch (Exception) { //ここで名前解決できずとも、SOCKSサーバが解決できるかもしれないのでエラーにはしない
}
}
if (a != null && !SocksApplicapable(_socks.ExcludingNetworks, a)) //SOCKSを使わないことが確定
{
_addressSet = a;
_host = _socks.DestName;
_port = _socks.DestPort;
_socks = null;
}
}
string dest = _socks == null ? _host : _socks.ServerName;
int port = _socks == null ? _port : _socks.ServerPort;
string msg = _socks == null?GetHostDescription() : "SOCKS Server";
if (_addressSet == null)
{
try {
_addressSet = new IPAddressSet(IPAddress.Parse(dest)); //最初からIPアドレス形式のときは手で変換。そうでないとDNSの逆引きをしてタイムアウト、とかややこしいことが起こる
}
catch (FormatException) {
_errorMessage = String.Format("The {0} {1} was not found.", msg, dest);
_addressSet = new IPAddressSet(dest);
}
}
_errorMessage = String.Format("Failed to connect {0} {1}. Please check the address and the port.", msg, dest);
_socket = NetUtil.ConnectTCPSocket(_addressSet, port);
_connectedAddress = ((IPEndPoint)_socket.RemoteEndPoint).Address;
if (_socks != null)
{
_errorMessage = "An error occurred while SOCKS negotiation.";
_socks.Connect(_socket);
_host = _socks.DestName;
_port = _socks.DestPort;
}
#endif
//上記の#ifをSOCKSなしに書き換え
string dest = _host;
int port = _port;
string msg = GetHostDescription();
if (_addressSet == null)
{
IPAddress address;
if (IPAddress.TryParse(dest, out address))
{
_addressSet = new IPAddressSet(address);
}
else
{
_addressSet = new IPAddressSet(dest); //DNSで
}
}
_errorMessage = String.Format("Failed to connect {0} {1}. Please check the address and the port.", msg, dest);
_socket = NetUtil.ConnectTCPSocket(_addressSet, port);
_connectedAddress = ((IPEndPoint)_socket.RemoteEndPoint).Address;
_tcpConnected = true;
}