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deb-mbse/mbsebbs/openport.c
2004-11-03 20:48:45 +00:00

163 lines
3.9 KiB
C

/*****************************************************************************
*
* $Id$
*
*****************************************************************************
* Copyright (C) 1997-2004
*
* Michiel Broek FIDO: 2:280/2802
* Beekmansbos 10
* 1971 BV IJmuiden
* the Netherlands
*
* This file is part of MBSE BBS.
*
* This BBS 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 2, or (at your option) any
* later version.
*
* MBSE BBS 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 MBSE BBS; see the file COPYING. If not, write to the Free
* Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#include "../config.h"
#include "../lib/mbselib.h"
#include "ttyio.h"
#include "openport.h"
int hanged_up = 0;
static struct termios savetios;
static struct termios tios;
/*
* Set port to local, hangup using DTR drop.
*/
void hangup(void)
{
struct termios Tios;
tcflag_t cflag;
speed_t ispeed, ospeed;
int rc;
Syslog('t', "Setting port local");
if (isatty(0)) {
if ((rc = tcgetattr(0,&Tios))) {
WriteError("$tcgetattr(0,save) return %d",rc);
return;
}
Syslog('+', "Lowering DTR to hangup");
cflag = Tios.c_cflag | CLOCAL;
ispeed = cfgetispeed(&tios);
ospeed = cfgetospeed(&tios);
cfsetispeed(&Tios,0);
cfsetospeed(&Tios,0);
if ((rc = tcsetattr(0,TCSADRAIN,&Tios)))
WriteError("$tcsetattr(0,TCSADRAIN,hangup) return %d",rc);
sleep(1); /* as far as I notice, DTR goes back high on next op. */
Tios.c_cflag = cflag;
cfsetispeed(&Tios,ispeed);
cfsetospeed(&Tios,ospeed);
if ((rc = tcsetattr(0,TCSADRAIN,&Tios)))
Syslog('t', "$tcsetattr(0,TCSADRAIN,clocal) return %d",rc);
} else {
Syslog('t', "Not at a tty");
}
return;
}
/*
* Put the current opened tty in raw mode.
*/
int rawport(void)
{
int rc = 0;
Syslog('t', "rawport()");
tty_status = 0;
Syslog('t', "ttyname 0 %s", ttyname(0));
Syslog('t', "ttyname 1 %s", ttyname(1));
Syslog('t', "fd = %d", fileno(stdin));
Syslog('t', "fd = %d", fileno(stdout));
Syslog('t', "fd = %d", fileno(stderr));
if (isatty(0)) {
if ((rc = tcgetattr(0,&savetios))) {
WriteError("$tcgetattr(0,save) return %d",rc);
return rc;
}
tios = savetios;
tios.c_iflag &= ~(INLCR | ICRNL | ISTRIP | IXON ); /* IUCLC removed for FreeBSD */
/*
* Map CRNL modes strip control characters and flow control
*/
tios.c_oflag &= ~OPOST; /* Don't do ouput character translation */
tios.c_lflag &= ~(ICANON | ECHO); /* No canonical input and no echo */
tios.c_cc[VMIN] = 1; /* Receive 1 character at a time */
tios.c_cc[VTIME] = 0; /* No time limit per character */
if ((rc = tcsetattr(0,TCSADRAIN,&tios)))
WriteError("$tcsetattr(0,TCSADRAIN,raw) return %d",rc);
} else {
Syslog('t', "not at a tty");
}
return rc;
}
int cookedport(void)
{
int rc = 0;
Syslog('t', "cookedport()");
if (isatty(0)) {
if ((rc = tcsetattr(0,TCSAFLUSH,&savetios)))
Syslog('t', "$tcsetattr(0,TCSAFLUSH,save) return %d", rc);
}
return rc;
}
void sendbrk(void)
{
Syslog('t', "Send break");
if (isatty(0)) {
#if (defined(TIOCSBRK))
Syslog('t', "TIOCSBRK");
ioctl(0, TIOCSBRK, 0L);
#elif (defined(TCSBRK))
Syslog('t', "TCSBRK");
ioctl(0, TCSBRK, 0L);
#else /* any ideas about BSD? */
;
#endif
}
}