src/server/telnet_server.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008 by Spencer Oliver                                  *
   9  *   spen@spen-soft.co.uk                                                  *
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  *   This program is distributed in the hope that it will be useful,       *
  17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  19  *   GNU General Public License for more details.                          *
  20  *                                                                         *
  21  *   You should have received a copy of the GNU General Public License     *
  22  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  23  ***************************************************************************/
  24
  25 #ifndef TELNET_SERVER_H
  26 #define TELNET_SERVER_H
  27
  28 #include <server/server.h>
  29
  30 #define TELNET_BUFFER_SIZE (1024)
  31
  32 #define TELNET_OPTION_MAX_SIZE (128)
  33 #define TELNET_LINE_HISTORY_SIZE (128)
  34 #define TELNET_LINE_MAX_SIZE (256)
  35
  36 enum telnet_states {
  37         TELNET_STATE_DATA,
  38         TELNET_STATE_IAC,
  39         TELNET_STATE_SB,
  40         TELNET_STATE_SE,
  41         TELNET_STATE_WILL,
  42         TELNET_STATE_WONT,
  43         TELNET_STATE_DO,
  44         TELNET_STATE_DONT,
  45         TELNET_STATE_ESCAPE,
  46 };
  47
  48 struct telnet_connection {
  49         char *prompt;
  50         enum telnet_states state;
  51         char line[TELNET_LINE_MAX_SIZE];
  52         int line_size;
  53         int line_cursor;
  54         char option[TELNET_OPTION_MAX_SIZE];
  55         int option_size;
  56         char last_escape;
  57         char *history[TELNET_LINE_HISTORY_SIZE];
  58         int next_history;
  59         int current_history;
  60         int closed;
  61 };
  62
  63 struct telnet_service {
  64         char *banner;
  65 };
  66
  67 int telnet_init(char *banner);
  68 int telnet_register_commands(struct command_context *command_context);
  69
  70 #endif  /* TELNET_SERVER_H */