141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "telnetd.h"
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RCSID("$Id: termstat.c,v 1.11 1997/05/11 06:30:04 assar Exp $");
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/*
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* local variables
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*/
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int def_tspeed = -1, def_rspeed = -1;
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#ifdef TIOCSWINSZ
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int def_row = 0, def_col = 0;
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#endif
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/*
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* flowstat
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*
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* Check for changes to flow control
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*/
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void
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flowstat()
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{
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if (his_state_is_will(TELOPT_LFLOW)) {
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if (tty_flowmode() != flowmode) {
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flowmode = tty_flowmode();
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output_data("%c%c%c%c%c%c",
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IAC, SB, TELOPT_LFLOW,
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flowmode ? LFLOW_ON : LFLOW_OFF,
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IAC, SE);
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}
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if (tty_restartany() != restartany) {
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restartany = tty_restartany();
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output_data("%c%c%c%c%c%c",
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IAC, SB, TELOPT_LFLOW,
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restartany ? LFLOW_RESTART_ANY
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: LFLOW_RESTART_XON,
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IAC, SE);
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}
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}
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}
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/*
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* clientstat
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*
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* Process linemode related requests from the client.
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* Client can request a change to only one of linemode, editmode or slc's
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* at a time, and if using kludge linemode, then only linemode may be
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* affected.
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*/
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void
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clientstat(int code, int parm1, int parm2)
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{
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void netflush();
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/*
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* Get a copy of terminal characteristics.
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*/
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init_termbuf();
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/*
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* Process request from client. code tells what it is.
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*/
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switch (code) {
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case TELOPT_NAWS:
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#ifdef TIOCSWINSZ
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{
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struct winsize ws;
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def_col = parm1;
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def_row = parm2;
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/*
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* Change window size as requested by client.
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*/
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ws.ws_col = parm1;
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ws.ws_row = parm2;
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ioctl(ourpty, TIOCSWINSZ, (char *)&ws);
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}
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#endif /* TIOCSWINSZ */
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break;
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case TELOPT_TSPEED:
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{
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def_tspeed = parm1;
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def_rspeed = parm2;
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/*
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* Change terminal speed as requested by client.
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* We set the receive speed first, so that if we can't
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* store seperate receive and transmit speeds, the transmit
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* speed will take precedence.
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*/
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tty_rspeed(parm2);
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tty_tspeed(parm1);
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set_termbuf();
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break;
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} /* end of case TELOPT_TSPEED */
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default:
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/* What? */
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break;
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} /* end of switch */
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netflush();
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}
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