/*
 * Copyright (c) 1996-2007, OpenFWTK Development Group
 * All rights reserved. See LICENSE.
 *
 * Copyright (c) 1989 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * From: @(#)termstat.c	5.10 (Berkeley) 3/22/91
 */
char termstat_rcsid[] = 
  "$Id: termstat.c,v 1.3 2007/09/10 02:49:12 arkenoi Exp $";

#include "telnetd.h"

/*
 * local variables
 */
int def_tspeed = -1, def_rspeed = -1;
#ifdef	TIOCSWINSZ
int def_row = 0, def_col = 0;
#endif


/*
 * clientstat
 *
 * Process linemode related requests from the client.
 * Client can request a change to only one of linemode, editmode or slc's
 * at a time, and if using kludge linemode, then only linemode may be
 * affected.
 */
void clientstat(register int code, register int parm1, register int parm2)
{
	/*
	 * Get a copy of terminal characteristics.
	 */
	init_termbuf();

	/*
	 * Process request from client. code tells what it is.
	 */
	switch (code) {

	case TELOPT_NAWS:
#ifdef	TIOCSWINSZ
	    {
		struct winsize ws;

		def_col = parm1;
		def_row = parm2;

		/*
		 * Change window size as requested by client.
		 */

		ws.ws_col = parm1;
		ws.ws_row = parm2;
		(void) ioctl(pty, TIOCSWINSZ, (char *)&ws);
	    }
#endif	/* TIOCSWINSZ */
		
		break;
	
	case TELOPT_TSPEED:
	    {
		def_tspeed = parm1;
		def_rspeed = parm2;
		/*
		 * Change terminal speed as requested by client.
		 * We set the receive speed first, so that if we can't
		 * store seperate receive and transmit speeds, the transmit
		 * speed will take precedence.
		 */
		tty_rspeed(parm2);
		tty_tspeed(parm1);
		set_termbuf();

		break;

	    }  /* end of case TELOPT_TSPEED */

	default:
		/* What? */
		break;
	}  /* end of switch */

	netflush();

}  /* end of clientstat */