public DataTunnel(Kernel kernel,Logger logger,Ip listenIp,int listenPort,Ip connectIp,int connectPort,Tunnel tunnel)
: base(logger)
{
_sock[CS.Client] = null;
_sock[CS.Server] = null;
_buf[CS.Client] = new byte[0];
_buf[CS.Server] = new byte[0];
_kernel = kernel;
_listenIp = listenIp;
_listenPort = listenPort;
_connectIp = connectIp;
_connectPort = connectPort;
_tunnel = tunnel;
}
//接続単位の処理
protected override void OnSubThread(SockObj sockObj)
{
var client = (SockTcp)sockObj;
SockTcp server = null;
string _targetServer;
int _targetPort;
var clientBuf = new List<byte[]>();
_targetServer = (string)Conf.Get("targetServer");
_targetPort = (int)Conf.Get("targetPort");
if(_targetServer == "") {
Logger.Set(LogKind.Error,client,1,"");
goto end;
}
if(_targetPort == 0) {
Logger.Set(LogKind.Error,client,2,"");
goto end;
}
//***************************************************************
//前処理（接続先・ユーザの取得と特別なユーザの置換)
//***************************************************************
{
var keyWord = BeforeJob(client,clientBuf);//接続前の処理
if(keyWord == null)
goto end;
//特別なユーザにヒットしているかどうかの確認
OneSpecialUser oneSpecialUser = _specialUser.Search(keyWord);
if(oneSpecialUser != null) {//ヒットした場合
//置換
_targetServer = oneSpecialUser.Server;//サーバ
_targetPort = oneSpecialUser.Port;//ポート番号
for(var i = 0;i < clientBuf.Count;i++) {
//string str = Inet.TrimCRLF(Encoding.ASCII.GetString(clientBuf[i]));
var str = Encoding.ASCII.GetString(clientBuf[i]);
if((Protocol == MailProxyProtocolKind.Smtp && str.ToUpper().IndexOf("MAIL FROM:") == 0) ||
(Protocol == MailProxyProtocolKind.Pop3 && str.ToUpper().IndexOf("USER") == 0)) {
str = Util.SwapStr(oneSpecialUser.Before,oneSpecialUser.After,str);
clientBuf[i] = Encoding.ASCII.GetBytes(str);
break;
}
}
Logger.Set(LogKind.Normal,client,3,string.Format("{0}->{1} {2}:{3}",oneSpecialUser.Before,oneSpecialUser.After,_targetServer,_targetPort));
}
}
//***************************************************************
// サーバとの接続
//***************************************************************
{
var port = _targetPort;
//var ipList = new List<Ip>{new Ip(_targetServer)};
//if(ipList[0].ToString() == "0.0.0.0") {
// ipList = Kernel.DnsCache.Get(_targetServer);
// if(ipList.Count == 0) {
// Logger.Set(LogKind.Normal,client,4,string.Format("{0}:{1}",_targetServer,_targetPort));
// goto end;
// }
//}
var ipList = Kernel.GetIpList(_targetServer);
if (ipList.Count == 0) {
Logger.Set(LogKind.Normal, client, 4, string.Format("{0}:{1}", _targetServer, _targetPort));
goto end;
}
foreach(var ip in ipList) {
server = Inet.Connect(Kernel,ip,port,Timeout,null);
if(server != null)
break;
}
if(server == null) {
Logger.Set(LogKind.Normal,client,5,string.Format("{0}:{1}",_targetServer,_targetPort));
goto end;
}
if(null == ConnectJob(client,server,clientBuf))//接続後の処理
goto end;
}
Logger.Set(LogKind.Normal,client,4,string.Format("connect {0}:{1}",_targetServer,_targetPort));
//***************************************************************
//後処理（接続先・ユーザの取得と特別なユーザの置換)
//***************************************************************
foreach(byte[] buf in clientBuf) {
//Ver5.2.5
//byte[] serverBuf = server.LineRecv(timeout,OPERATE_CRLF.NO,ref life);
//クライアントからの受信分を送信する
server.LineSend(buf);
}
//***************************************************************
// パイプ
//***************************************************************
var tunnel = new Tunnel(Logger,(int)Conf.Get("idleTime"),Timeout);
tunnel.Pipe(server,client,this);
end:
if(client != null)
client.Close();
if(server != null)
server.Close();
}
//�ڑ��P�ʂ̏���
protected override void OnSubThread(SockObj sockObj)
{
string hostName;
var client = (SockTcp)sockObj;
SockTcp server = null;
//***************************************************************
//�O�����i�ڑ���E���[�U���E�p�X���[�h�̎擾)
//***************************************************************
//{
// //�ڑ���i�z�X�g�j���擾
// client.AsciiSend("open>");
// var sb = new StringBuilder();
// while (IsLife()) {
// var b = client.Recv(1,Timeout,this);//timeout=60sec
// if (b == null)
// break;
// var c = Convert.ToChar(b[0]);
// if (c == '\r'){
// continue;
// }
// if (c == '\n')
// break;
// //Ver6.0.6 TeraTerm�Ή�
// if (c == 0 && sb.Length != 0)
// {
// break;
// }
// if ((c == '.') || ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z') || ('0' <= c && c <= '9'))
// {
// client.Send(b);//�G�R�[
// sb.Append(c);
// }
// }
// hostName = sb.ToString();
//}
var buf = new List<byte>();
{
//�ڑ���i�z�X�g�j���擾
client.Send(Encoding.ASCII.GetBytes("open>"));
var iac = false;
var ego = false;
var sb = new StringBuilder();
while (IsLife()){
var b = client.Recv(1, Timeout, this); //timeout=60sec
if (b == null)
break;
var d = Convert.ToChar(b[0]);
if (d == 0)
continue;
if (d == '\xFF'){
iac = true;
buf.Add(b[0]);
continue;
}
if (iac){
if (d == '\xFA'){
ego = true;
iac = false;
buf.Add(b[0]);
continue;
}
if (d == '\xF0'){
ego = false;
iac = false;
buf.Add(b[0]);
continue;
}
if (d == '\xFB' || d == '\xFC' || d == '\xFD' || d == '\xFE'){
buf.Add(b[0]);
continue;
}
iac = false;
buf.Add(b[0]);
continue;
}
if (ego){
buf.Add(b[0]);
continue;
}
client.Send(b); //�G�R�[
if (d == '\r' || d == '\n')
break;
if (d == '\b'){
sb.Remove(sb.Length - 1, 1);
} else{
sb.Append(d);
}
}
hostName = sb.ToString();
}
// ���݂̔j��
while (IsLife() && client.Length()>0)
{
var b = client.Recv(1, Timeout, this); //timeout=60sec
}
//***************************************************************
// �T�[�o�Ƃ̐ڑ�
//***************************************************************
{
const int port = 23;
//var ipList = new List<Ip>{new Ip(hostName)};
//if (ipList[0].ToString() == "0.0.0.0") {
// ipList = Kernel.DnsCache.Get(hostName);
// if (ipList.Count == 0) {
// Logger.Set(LogKind.Normal,null,2,string.Format("open>{0}",hostName));
// goto end;
// }
//}
var ipList = Kernel.GetIpList(hostName);
if (ipList.Count == 0) {
Logger.Set(LogKind.Normal, null, 2, string.Format("open>{0}", hostName));
goto end;
}
foreach (var ip in ipList) {
server = Inet.Connect(Kernel,ip,port,Timeout,null);
if (server != null)
break;
}
if (server == null) {
Logger.Set(LogKind.Normal, null, 3, string.Format("open>{0}", hostName));
goto end;
}
//Ver6.0.6
if (server.SockState != Bjd.sock.SockState.Connect){
Logger.Set(LogKind.Normal, null, 3, string.Format("open>{0}", hostName));
goto end;
}
}
Logger.Set(LogKind.Normal,server,1,string.Format("open>{0}",hostName));
server.Send(buf.ToArray(),buf.Count);
//***************************************************************
// �p�C�v
//***************************************************************
var tunnel = new Tunnel(Logger,(int)Conf.Get("idleTime"),Timeout);
tunnel.Pipe(server,client,this);
end:
client.Close();
if (server != null)
server.Close();
}
// public void CallBack(IAsyncResult ar) {
// //接続完了（Listenソケットを取得）
// var sockObj = (SockObj)(ar.AsyncState);
//
// if (_sock[CS.Server] != null) { //サーバ側がListen状態の場合
// //接続ソケットを保持して
// _sock[CS.Server] = (SockTcp)sockObj.CreateChildObj(ar);
// //Listenソケットをクローズする
// sockObj.Close();
// //クライアントと接続する
// Ssl ssl = null;
// _sock[CS.Client] = Inet.Connect(ref _life, _kernel, _logger, _ip, _port, ssl);
// if (_sock[CS.Client] == null)
// return;
// } else { //クライアント側がListen状態の場合
// //接続ソケットを保持して
// _sock[CS.Client] = (SockTcp)sockObj.CreateChildObj(ar);
// //Listenソケットをクローズする
// sockObj.Close();
// //サーバと接続する
//
// Ssl ssl = null;
// _sock[CS.Server] = Inet.Connect(ref _life, _kernel, _logger, _ip, _port, ssl);
// if (_sock[CS.Server] == null)
// return;
// }
// //パイプスレッドの生成
// _t = new Thread(Pipe){
// IsBackground = true
// };
// _t.Start();
// }
void Pipe()
{
const int idleTime = 0;
var tunnel = new Tunnel(_logger, idleTime, _timeout);
tunnel.Pipe(_sock[CS.Server], _sock[CS.Client],this);
_sock[CS.Client].Close();
_sock[CS.Server].Close();
}
void TcpTunnel(SockTcp tcpObj)
{
var client = tcpObj;
SockTcp server = null;
//***************************************************************
// �T�[�o�Ƃ̐ڑ�
//***************************************************************
{
var port = _targetPort;
//var ipList = new List<Ip>{new Ip(_targetServer)};
//if (ipList[0].ToString() == "0.0.0.0") {
// ipList = Kernel.DnsCache.Get(_targetServer);
// if(ipList.Count==0){
// Logger.Set(LogKind.Normal,null,4,string.Format("{0}:{1}",_targetServer,_targetPort));
// goto end;
// }
//}
var ipList = Kernel.GetIpList(_targetServer);
if (ipList.Count == 0){
Logger.Set(LogKind.Normal, null, 4, string.Format("{0}:{1}", _targetServer, _targetPort));
goto end;
}
foreach (var ip in ipList) {
server = Inet.Connect(Kernel,ip,port,Timeout,null);
if (server != null)
break;
}
if (server == null) {
Logger.Set(LogKind.Normal,server,5,string.Format("{0}:{1}",_targetServer,_targetPort));
goto end;
}
}
Logger.Set(LogKind.Normal,server,6,string.Format("TCP {0}:{1} - {2}:{3}",client.RemoteHostname,client.RemoteAddress.Port,_targetServer,_targetPort));
//***************************************************************
// �p�C�v
//***************************************************************
var tunnel = new Tunnel(Logger,(int)Conf.Get("idleTime"),Timeout);
tunnel.Pipe(server, client,this);
end:
if (client != null)
client.Close();
if (server != null)
server.Close();
}
