/* $NetBSD: tty_43.c,v 1.19 2005/11/27 05:35:52 thorpej Exp $ */ /*- * Copyright (c) 1982, 1986, 1991, 1993 * The 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. * * @(#)tty_compat.c 8.2 (Berkeley) 1/9/95 */ /* * mapping routines for old line discipline (yuck) */ #include __KERNEL_RCSID(0, "$NetBSD: tty_43.c,v 1.19 2005/11/27 05:35:52 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include /* * XXX libcompat files should be included with config attributes */ #ifdef COMPAT_OLDTTY int ttydebug = 0; static const struct speedtab compatspeeds[] = { #define MAX_SPEED 17 { 115200, 17 }, { 57600, 16 }, { 38400, 15 }, { 19200, 14 }, { 9600, 13 }, { 4800, 12 }, { 2400, 11 }, { 1800, 10 }, { 1200, 9 }, { 600, 8 }, { 300, 7 }, { 200, 6 }, { 150, 5 }, { 134, 4 }, { 110, 3 }, { 75, 2 }, { 50, 1 }, { 0, 0 }, { -1, -1 }, }; static const int compatspcodes[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200 }; /* Macros to clear/set/test flags. */ #define SET(t, f) (t) |= (f) #define CLR(t, f) (t) &= ~(f) #define ISSET(t, f) ((t) & (f)) int ttcompatgetflags __P((struct tty *)); void ttcompatsetflags __P((struct tty *, struct termios *)); void ttcompatsetlflags __P((struct tty *, struct termios *)); /*ARGSUSED*/ int ttcompat(tp, com, data, flag, p) struct tty *tp; u_long com; caddr_t data; int flag; struct proc *p; { switch (com) { case TIOCGETP: { struct sgttyb *sg = (struct sgttyb *)data; u_char *cc = tp->t_cc; int speed; speed = ttspeedtab(tp->t_ospeed, compatspeeds); sg->sg_ospeed = (speed == -1) ? MAX_SPEED : speed; if (tp->t_ispeed == 0) sg->sg_ispeed = sg->sg_ospeed; else { speed = ttspeedtab(tp->t_ispeed, compatspeeds); sg->sg_ispeed = (speed == -1) ? MAX_SPEED : speed; } sg->sg_erase = cc[VERASE]; sg->sg_kill = cc[VKILL]; sg->sg_flags = ttcompatgetflags(tp); break; } case TIOCSETP: case TIOCSETN: { struct sgttyb *sg = (struct sgttyb *)data; struct termios term; int speed; term = tp->t_termios; if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0) term.c_ispeed = speed; else term.c_ispeed = compatspcodes[speed]; if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0) term.c_ospeed = speed; else term.c_ospeed = compatspcodes[speed]; term.c_cc[VERASE] = sg->sg_erase; term.c_cc[VKILL] = sg->sg_kill; tp->t_flags = (ttcompatgetflags(tp)&0xffff0000) | (sg->sg_flags&0xffff); ttcompatsetflags(tp, &term); return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA, (caddr_t)&term, flag, p)); } case TIOCGETC: { struct tchars *tc = (struct tchars *)data; u_char *cc = tp->t_cc; tc->t_intrc = cc[VINTR]; tc->t_quitc = cc[VQUIT]; tc->t_startc = cc[VSTART]; tc->t_stopc = cc[VSTOP]; tc->t_eofc = cc[VEOF]; tc->t_brkc = cc[VEOL]; break; } case TIOCSETC: { struct tchars *tc = (struct tchars *)data; u_char *cc = tp->t_cc; cc[VINTR] = tc->t_intrc; cc[VQUIT] = tc->t_quitc; cc[VSTART] = tc->t_startc; cc[VSTOP] = tc->t_stopc; cc[VEOF] = tc->t_eofc; cc[VEOL] = tc->t_brkc; if (tc->t_brkc == (char)-1) cc[VEOL2] = _POSIX_VDISABLE; break; } case TIOCSLTC: { struct ltchars *ltc = (struct ltchars *)data; u_char *cc = tp->t_cc; cc[VSUSP] = ltc->t_suspc; cc[VDSUSP] = ltc->t_dsuspc; cc[VREPRINT] = ltc->t_rprntc; cc[VDISCARD] = ltc->t_flushc; cc[VWERASE] = ltc->t_werasc; cc[VLNEXT] = ltc->t_lnextc; break; } case TIOCGLTC: { struct ltchars *ltc = (struct ltchars *)data; u_char *cc = tp->t_cc; ltc->t_suspc = cc[VSUSP]; ltc->t_dsuspc = cc[VDSUSP]; ltc->t_rprntc = cc[VREPRINT]; ltc->t_flushc = cc[VDISCARD]; ltc->t_werasc = cc[VWERASE]; ltc->t_lnextc = cc[VLNEXT]; break; } case TIOCLBIS: case TIOCLBIC: case TIOCLSET: { struct termios term; int flags; term = tp->t_termios; flags = ttcompatgetflags(tp); switch (com) { case TIOCLSET: tp->t_flags = (flags&0xffff) | (*(int *)data<<16); break; case TIOCLBIS: tp->t_flags = flags | (*(int *)data<<16); break; case TIOCLBIC: tp->t_flags = flags & ~(*(int *)data<<16); break; } ttcompatsetlflags(tp, &term); return (ttioctl(tp, TIOCSETA, (caddr_t)&term, flag, p)); } case TIOCLGET: *(int *)data = ttcompatgetflags(tp)>>16; if (ttydebug) printf("CLGET: returning %x\n", *(int *)data); break; case OTIOCGETD: *(int *)data = (tp->t_linesw == NULL) ? 2 /* XXX old NTTYDISC */ : tp->t_linesw->l_no; break; case OTIOCSETD: { int ldisczero = 0; return (ttioctl(tp, TIOCSETD, *(int *)data == 2 ? (caddr_t)&ldisczero : data, flag, p)); } case OTIOCCONS: *(int *)data = 1; return (ttioctl(tp, TIOCCONS, data, flag, p)); case TIOCHPCL: SET(tp->t_cflag, HUPCL); break; case TIOCGSID: if (tp->t_session == NULL) return ENOTTY; if (tp->t_session->s_leader == NULL) return ENOTTY; *(int *) data = tp->t_session->s_leader->p_pid; break; default: return (EPASSTHROUGH); } return (0); } int ttcompatgetflags(tp) struct tty *tp; { tcflag_t iflag = tp->t_iflag; tcflag_t lflag = tp->t_lflag; tcflag_t oflag = tp->t_oflag; tcflag_t cflag = tp->t_cflag; int flags = 0; if (ISSET(iflag, IXOFF)) SET(flags, TANDEM); if (ISSET(iflag, ICRNL) || ISSET(oflag, ONLCR)) SET(flags, CRMOD); if (ISSET(cflag, PARENB)) { if (ISSET(iflag, INPCK)) { if (ISSET(cflag, PARODD)) SET(flags, ODDP); else SET(flags, EVENP); } else SET(flags, ANYP); } if (!ISSET(lflag, ICANON)) { /* fudge */ if (ISSET(iflag, IXON) || ISSET(lflag, ISIG|IEXTEN) || ISSET(cflag, PARENB)) SET(flags, CBREAK); else SET(flags, RAW); } if (ISSET(flags, RAW)) SET(flags, ISSET(tp->t_flags, LITOUT|PASS8)); else if (ISSET(cflag, CSIZE) == CS8) { if (!ISSET(oflag, OPOST)) SET(flags, LITOUT); if (!ISSET(iflag, ISTRIP)) SET(flags, PASS8); } if (ISSET(cflag, MDMBUF)) SET(flags, MDMBUF); if (!ISSET(cflag, HUPCL)) SET(flags, NOHANG); if (ISSET(oflag, OXTABS)) SET(flags, XTABS); if (ISSET(lflag, ECHOE)) SET(flags, CRTERA|CRTBS); if (ISSET(lflag, ECHOKE)) SET(flags, CRTKIL|CRTBS); if (ISSET(lflag, ECHOPRT)) SET(flags, PRTERA); if (ISSET(lflag, ECHOCTL)) SET(flags, CTLECH); if (!ISSET(iflag, IXANY)) SET(flags, DECCTQ); SET(flags, ISSET(lflag, ECHO|TOSTOP|FLUSHO|PENDIN|NOFLSH)); if (ttydebug) printf("getflags: %x\n", flags); return (flags); } void ttcompatsetflags(tp, t) struct tty *tp; struct termios *t; { int flags = tp->t_flags; tcflag_t iflag = t->c_iflag; tcflag_t oflag = t->c_oflag; tcflag_t lflag = t->c_lflag; tcflag_t cflag = t->c_cflag; if (ISSET(flags, TANDEM)) SET(iflag, IXOFF); else CLR(iflag, IXOFF); if (ISSET(flags, ECHO)) SET(lflag, ECHO); else CLR(lflag, ECHO); if (ISSET(flags, CRMOD)) { SET(iflag, ICRNL); SET(oflag, ONLCR); } else { CLR(iflag, ICRNL); CLR(oflag, ONLCR); } if (ISSET(flags, XTABS)) SET(oflag, OXTABS); else CLR(oflag, OXTABS); if (ISSET(flags, RAW)) { iflag &= IXOFF; CLR(lflag, ISIG|ICANON|IEXTEN); CLR(cflag, PARENB); } else { SET(iflag, BRKINT|IXON|IMAXBEL); SET(lflag, ISIG|IEXTEN); if (ISSET(flags, CBREAK)) CLR(lflag, ICANON); else SET(lflag, ICANON); switch (ISSET(flags, ANYP)) { case 0: CLR(cflag, PARENB); break; case ANYP: SET(cflag, PARENB); CLR(iflag, INPCK); break; case EVENP: SET(cflag, PARENB); SET(iflag, INPCK); CLR(cflag, PARODD); break; case ODDP: SET(cflag, PARENB); SET(iflag, INPCK); SET(cflag, PARODD); break; } } if (ISSET(flags, RAW|LITOUT|PASS8)) { CLR(cflag, CSIZE); SET(cflag, CS8); if (!ISSET(flags, RAW|PASS8)) SET(iflag, ISTRIP); else CLR(iflag, ISTRIP); if (!ISSET(flags, RAW|LITOUT)) SET(oflag, OPOST); else CLR(oflag, OPOST); } else { CLR(cflag, CSIZE); SET(cflag, CS7); SET(iflag, ISTRIP); SET(oflag, OPOST); } t->c_iflag = iflag; t->c_oflag = oflag; t->c_lflag = lflag; t->c_cflag = cflag; } void ttcompatsetlflags(tp, t) struct tty *tp; struct termios *t; { int flags = tp->t_flags; tcflag_t iflag = t->c_iflag; tcflag_t oflag = t->c_oflag; tcflag_t lflag = t->c_lflag; tcflag_t cflag = t->c_cflag; /* Nothing we can do with CRTBS. */ if (ISSET(flags, PRTERA)) SET(lflag, ECHOPRT); else CLR(lflag, ECHOPRT); if (ISSET(flags, CRTERA)) SET(lflag, ECHOE); else CLR(lflag, ECHOE); /* Nothing we can do with TILDE. */ if (ISSET(flags, MDMBUF)) SET(cflag, MDMBUF); else CLR(cflag, MDMBUF); if (ISSET(flags, NOHANG)) CLR(cflag, HUPCL); else SET(cflag, HUPCL); if (ISSET(flags, CRTKIL)) SET(lflag, ECHOKE); else CLR(lflag, ECHOKE); if (ISSET(flags, CTLECH)) SET(lflag, ECHOCTL); else CLR(lflag, ECHOCTL); if (!ISSET(flags, DECCTQ)) SET(iflag, IXANY); else CLR(iflag, IXANY); CLR(lflag, TOSTOP|FLUSHO|PENDIN|NOFLSH); SET(lflag, ISSET(flags, TOSTOP|FLUSHO|PENDIN|NOFLSH)); if (ISSET(flags, RAW|LITOUT|PASS8)) { CLR(cflag, CSIZE); SET(cflag, CS8); if (!ISSET(flags, RAW|PASS8)) SET(iflag, ISTRIP); else CLR(iflag, ISTRIP); if (!ISSET(flags, RAW|LITOUT)) SET(oflag, OPOST); else CLR(oflag, OPOST); } else { CLR(cflag, CSIZE); SET(cflag, CS7); SET(iflag, ISTRIP); SET(oflag, OPOST); } t->c_iflag = iflag; t->c_oflag = oflag; t->c_lflag = lflag; t->c_cflag = cflag; } #endif /* COMPAT_OLDTTY */