/*

 * lftp - file transfer program

 *

 * Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef SSH_ACCESS_H

#define SSH_ACCESS_H

#include "NetAccess.h"

#include "PtyShell.h"

class SSH_Access : public NetAccess

{

protected:

   SMTaskRef<IOBuffer> pty_send_buf;

   SMTaskRef<IOBuffer> pty_recv_buf;

   SMTaskRef<IOBuffer> send_buf;

   SMTaskRef<IOBuffer> recv_buf;

   Ref<PtyShell> ssh;

   int password_sent;

   const char *greeting;

   bool received_greeting;

   bool hostname_valid;

   xstring last_ssh_message;

   time_t last_ssh_message_time;

   void MoveConnectionHere(SSH_Access *o);

   void DisconnectLL();

   void MakePtyBuffers();

   int HandleSSHMessage();

   void LogSSHMessage();   /* it's called after the greeting is received

			    * (or internally from HandleSSHMessage). */

   SSH_Access(const char *g) :

      password_sent(0),

      greeting(g), received_greeting(false),

      hostname_valid(false),

      last_ssh_message_time(0) {}

   SSH_Access(const SSH_Access *o) : NetAccess(o),

      password_sent(0),

      greeting(o->greeting), received_greeting(false),

      hostname_valid(o->hostname_valid),

      last_ssh_message_time(0) {}

};

#endif