subr.c revision 29045
11592Srgrimes/* 215645Sjoerg * Copyright (c) 1983, 1993 315645Sjoerg * The Regents of the University of California. All rights reserved. 41592Srgrimes * 51592Srgrimes * Redistribution and use in source and binary forms, with or without 61592Srgrimes * modification, are permitted provided that the following conditions 71592Srgrimes * are met: 81592Srgrimes * 1. Redistributions of source code must retain the above copyright 91592Srgrimes * notice, this list of conditions and the following disclaimer. 101592Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111592Srgrimes * notice, this list of conditions and the following disclaimer in the 121592Srgrimes * documentation and/or other materials provided with the distribution. 131592Srgrimes * 3. All advertising materials mentioning features or use of this software 141592Srgrimes * must display the following acknowledgement: 151592Srgrimes * This product includes software developed by the University of 161592Srgrimes * California, Berkeley and its contributors. 171592Srgrimes * 4. Neither the name of the University nor the names of its contributors 181592Srgrimes * may be used to endorse or promote products derived from this software 191592Srgrimes * without specific prior written permission. 201592Srgrimes * 211592Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221592Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231592Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241592Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251592Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261592Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271592Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281592Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291592Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301592Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311592Srgrimes * SUCH DAMAGE. 321592Srgrimes */ 331592Srgrimes 341592Srgrimes#ifndef lint 3515645Sjoerg/*static char sccsid[] = "from: @(#)subr.c 8.1 (Berkeley) 6/4/93";*/ 3629045Sdavidnstatic char rcsid[] = "$Id: subr.c,v 1.11 1997/09/01 10:06:05 davidn Exp $"; 371592Srgrimes#endif /* not lint */ 381592Srgrimes 391592Srgrimes/* 401592Srgrimes * Melbourne getty. 411592Srgrimes */ 4215645Sjoerg#define COMPAT_43 4315645Sjoerg#include <stdlib.h> 442286Sjkh#include <unistd.h> 451592Srgrimes#include <string.h> 4615645Sjoerg#include <termios.h> 4715645Sjoerg#include <sys/ioctl.h> 4815645Sjoerg#include <sys/param.h> 4925709Sdavidn#include <syslog.h> 5015645Sjoerg#ifdef DEBUG 5115645Sjoerg#include <stdio.h> 5215645Sjoerg#endif 5315645Sjoerg 541592Srgrimes#include "gettytab.h" 5515645Sjoerg#include "pathnames.h" 5615645Sjoerg#include "extern.h" 571592Srgrimes 581592Srgrimes 5915645Sjoerg#ifdef COMPAT_43 6015645Sjoergstatic void compatflags __P((long)); 6115645Sjoerg#endif 6215645Sjoerg 631592Srgrimes/* 641592Srgrimes * Get a table entry. 651592Srgrimes */ 6615645Sjoergvoid 6715645Sjoerggettable(name, buf) 6815645Sjoerg const char *name; 6915645Sjoerg char *buf; 701592Srgrimes{ 711592Srgrimes register struct gettystrs *sp; 721592Srgrimes register struct gettynums *np; 731592Srgrimes register struct gettyflags *fp; 7415645Sjoerg long n; 7525709Sdavidn int l; 7625709Sdavidn char *p; 7725709Sdavidn char *msg = NULL; 7815645Sjoerg const char *dba[2]; 7925709Sdavidn 8025709Sdavidn static int firsttime = 1; 8125709Sdavidn 8215645Sjoerg dba[0] = _PATH_GETTYTAB; 8315645Sjoerg dba[1] = 0; 841592Srgrimes 8525709Sdavidn if (firsttime) { 8625709Sdavidn /* 8725709Sdavidn * we need to strdup() anything in the strings array 8825709Sdavidn * initially in order to simplify things later 8925709Sdavidn */ 9025709Sdavidn for (sp = gettystrs; sp->field; sp++) 9125709Sdavidn if (sp->value != NULL) { 9225709Sdavidn /* handle these ones more carefully */ 9325709Sdavidn if (sp >= &gettystrs[4] && sp <= &gettystrs[6]) 9425709Sdavidn l = 2; 9525709Sdavidn else 9625709Sdavidn l = strlen(sp->value) + 1; 9725709Sdavidn if ((p = malloc(l)) != NULL) { 9825709Sdavidn strncpy(p, sp->value, l); 9925709Sdavidn p[l-1] = '\0'; 10025709Sdavidn } 10125709Sdavidn /* 10225709Sdavidn * replace, even if NULL, else we'll 10325709Sdavidn * have problems with free()ing static mem 10425709Sdavidn */ 10525709Sdavidn sp->value = p; 10625709Sdavidn } 10725709Sdavidn firsttime = 0; 10825709Sdavidn } 10925709Sdavidn 11025709Sdavidn switch (cgetent(&buf, (char **)dba, (char *)name)) { 11125709Sdavidn case 1: 11225709Sdavidn msg = "%s: couldn't resolve 'tc=' in gettytab '%s'"; 11325709Sdavidn case 0: 11425709Sdavidn break; 11525709Sdavidn case -1: 11625709Sdavidn msg = "%s: unknown gettytab entry '%s'"; 11725709Sdavidn break; 11825709Sdavidn case -2: 11925709Sdavidn msg = "%s: retrieving gettytab entry '%s': %m"; 12025709Sdavidn break; 12125709Sdavidn case -3: 12225709Sdavidn msg = "%s: recursive 'tc=' reference gettytab entry '%s'"; 12325709Sdavidn break; 12425709Sdavidn default: 12525709Sdavidn msg = "%s: unexpected cgetent() error for entry '%s'"; 12625709Sdavidn break; 12725709Sdavidn } 12825709Sdavidn 12925709Sdavidn if (msg != NULL) { 13025709Sdavidn syslog(LOG_ERR, msg, "getty", name); 1311592Srgrimes return; 13225709Sdavidn } 1331592Srgrimes 13425709Sdavidn for (sp = gettystrs; sp->field; sp++) { 13529045Sdavidn if ((l = cgetstr(buf, (char*)sp->field, &p)) >= 0) { 13625709Sdavidn if (sp->value) { 13725709Sdavidn /* prefer existing value */ 13825709Sdavidn if (strcmp(p, sp->value) != 0) 13925709Sdavidn free(sp->value); 14025709Sdavidn else { 14125709Sdavidn free(p); 14225709Sdavidn p = sp->value; 14325709Sdavidn } 14425709Sdavidn } 14525709Sdavidn sp->value = p; 14625709Sdavidn } else if (l == -1) { 14725709Sdavidn free(sp->value); 14825709Sdavidn sp->value = NULL; 14925709Sdavidn } 15025709Sdavidn } 15125709Sdavidn 1521592Srgrimes for (np = gettynums; np->field; np++) { 15325709Sdavidn if (cgetnum(buf, (char*)np->field, &n) == -1) 1541592Srgrimes np->set = 0; 1551592Srgrimes else { 1561592Srgrimes np->set = 1; 1571592Srgrimes np->value = n; 1581592Srgrimes } 1591592Srgrimes } 16025709Sdavidn 1611592Srgrimes for (fp = gettyflags; fp->field; fp++) { 16225709Sdavidn if (cgetcap(buf, (char *)fp->field, ':') == NULL) 1631592Srgrimes fp->set = 0; 1641592Srgrimes else { 1651592Srgrimes fp->set = 1; 16615645Sjoerg fp->value = 1 ^ fp->invrt; 1671592Srgrimes } 1681592Srgrimes } 16925709Sdavidn 17015645Sjoerg#ifdef DEBUG 17115645Sjoerg printf("name=\"%s\", buf=\"%s\"\r\n", name, buf); 17215645Sjoerg for (sp = gettystrs; sp->field; sp++) 17329045Sdavidn printf("cgetstr: %s=%s\r\n", sp->field, sp->value); 17415645Sjoerg for (np = gettynums; np->field; np++) 17515645Sjoerg printf("cgetnum: %s=%d\r\n", np->field, np->value); 17615645Sjoerg for (fp = gettyflags; fp->field; fp++) 17715645Sjoerg printf("cgetflags: %s='%c' set='%c'\r\n", fp->field, 17815645Sjoerg fp->value + '0', fp->set + '0'); 17915645Sjoerg#endif /* DEBUG */ 1801592Srgrimes} 1811592Srgrimes 18215645Sjoergvoid 1831592Srgrimesgendefaults() 1841592Srgrimes{ 1851592Srgrimes register struct gettystrs *sp; 1861592Srgrimes register struct gettynums *np; 1871592Srgrimes register struct gettyflags *fp; 1881592Srgrimes 1891592Srgrimes for (sp = gettystrs; sp->field; sp++) 1901592Srgrimes if (sp->value) 19125709Sdavidn sp->defalt = strdup(sp->value); 1921592Srgrimes for (np = gettynums; np->field; np++) 1931592Srgrimes if (np->set) 1941592Srgrimes np->defalt = np->value; 1951592Srgrimes for (fp = gettyflags; fp->field; fp++) 1961592Srgrimes if (fp->set) 1971592Srgrimes fp->defalt = fp->value; 1981592Srgrimes else 1991592Srgrimes fp->defalt = fp->invrt; 2001592Srgrimes} 2011592Srgrimes 20215645Sjoergvoid 2031592Srgrimessetdefaults() 2041592Srgrimes{ 2051592Srgrimes register struct gettystrs *sp; 2061592Srgrimes register struct gettynums *np; 2071592Srgrimes register struct gettyflags *fp; 2081592Srgrimes 2091592Srgrimes for (sp = gettystrs; sp->field; sp++) 2101592Srgrimes if (!sp->value) 21125709Sdavidn sp->value = !sp->defalt ? sp->defalt 21225709Sdavidn : strdup(sp->defalt); 2131592Srgrimes for (np = gettynums; np->field; np++) 2141592Srgrimes if (!np->set) 2151592Srgrimes np->value = np->defalt; 2161592Srgrimes for (fp = gettyflags; fp->field; fp++) 2171592Srgrimes if (!fp->set) 2181592Srgrimes fp->value = fp->defalt; 2191592Srgrimes} 2201592Srgrimes 2211592Srgrimesstatic char ** 2221592Srgrimescharnames[] = { 2231592Srgrimes &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK, 2241592Srgrimes &SU, &DS, &RP, &FL, &WE, &LN, 0 2251592Srgrimes}; 2261592Srgrimes 2271592Srgrimesstatic char * 2281592Srgrimescharvars[] = { 22915645Sjoerg &tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR], 23015645Sjoerg &tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP], 23115645Sjoerg &tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP], 23215645Sjoerg &tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD], 23315645Sjoerg &tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0 2341592Srgrimes}; 2351592Srgrimes 23615645Sjoergvoid 2371592Srgrimessetchars() 2381592Srgrimes{ 2391592Srgrimes register int i; 24015645Sjoerg register const char *p; 2411592Srgrimes 2421592Srgrimes for (i = 0; charnames[i]; i++) { 2431592Srgrimes p = *charnames[i]; 2441592Srgrimes if (p && *p) 2451592Srgrimes *charvars[i] = *p; 2461592Srgrimes else 24715645Sjoerg *charvars[i] = _POSIX_VDISABLE; 2481592Srgrimes } 2491592Srgrimes} 2501592Srgrimes 25115645Sjoerg/* Macros to clear/set/test flags. */ 25215645Sjoerg#define SET(t, f) (t) |= (f) 25315645Sjoerg#define CLR(t, f) (t) &= ~(f) 25415645Sjoerg#define ISSET(t, f) ((t) & (f)) 25515645Sjoerg 25615645Sjoergvoid 2571592Srgrimessetflags(n) 25815645Sjoerg int n; 2591592Srgrimes{ 26015645Sjoerg register tcflag_t iflag, oflag, cflag, lflag; 2611592Srgrimes 26215645Sjoerg#ifdef COMPAT_43 2631592Srgrimes switch (n) { 2641592Srgrimes case 0: 26515645Sjoerg if (F0set) { 26615645Sjoerg compatflags(F0); 26715645Sjoerg return; 26815645Sjoerg } 2691592Srgrimes break; 2701592Srgrimes case 1: 27115645Sjoerg if (F1set) { 27215645Sjoerg compatflags(F1); 27315645Sjoerg return; 27415645Sjoerg } 2751592Srgrimes break; 2761592Srgrimes default: 27715645Sjoerg if (F2set) { 27815645Sjoerg compatflags(F2); 27915645Sjoerg return; 28015645Sjoerg } 2811592Srgrimes break; 2821592Srgrimes } 28315645Sjoerg#endif 2841592Srgrimes 28515645Sjoerg switch (n) { 28615645Sjoerg case 0: 28715645Sjoerg if (C0set && I0set && L0set && O0set) { 28815645Sjoerg tmode.c_cflag = C0; 28915645Sjoerg tmode.c_iflag = I0; 29015645Sjoerg tmode.c_lflag = L0; 29115645Sjoerg tmode.c_oflag = O0; 29215645Sjoerg return; 29315645Sjoerg } 29415645Sjoerg break; 29515645Sjoerg case 1: 29615645Sjoerg if (C1set && I1set && L1set && O1set) { 29715645Sjoerg tmode.c_cflag = C1; 29815645Sjoerg tmode.c_iflag = I1; 29915645Sjoerg tmode.c_lflag = L1; 30015645Sjoerg tmode.c_oflag = O1; 30115645Sjoerg return; 30215645Sjoerg } 30315645Sjoerg break; 30415645Sjoerg default: 30515645Sjoerg if (C2set && I2set && L2set && O2set) { 30615645Sjoerg tmode.c_cflag = C2; 30715645Sjoerg tmode.c_iflag = I2; 30815645Sjoerg tmode.c_lflag = L2; 30915645Sjoerg tmode.c_oflag = O2; 31015645Sjoerg return; 31115645Sjoerg } 31215645Sjoerg break; 31315645Sjoerg } 3141592Srgrimes 31515645Sjoerg iflag = omode.c_iflag; 31615645Sjoerg oflag = omode.c_oflag; 31715645Sjoerg cflag = omode.c_cflag; 31815645Sjoerg lflag = omode.c_lflag; 3191592Srgrimes 32015645Sjoerg if (NP) { 32115645Sjoerg CLR(cflag, CSIZE|PARENB); 32215645Sjoerg SET(cflag, CS8); 32315645Sjoerg CLR(iflag, ISTRIP|INPCK|IGNPAR); 32415645Sjoerg } else if (AP || EP || OP) { 32515645Sjoerg CLR(cflag, CSIZE); 32615645Sjoerg SET(cflag, CS7|PARENB); 32715645Sjoerg SET(iflag, ISTRIP); 32815645Sjoerg if (OP && !EP) { 32915645Sjoerg SET(iflag, INPCK|IGNPAR); 33015645Sjoerg SET(cflag, PARODD); 33115645Sjoerg if (AP) 33215645Sjoerg CLR(iflag, INPCK); 33315645Sjoerg } else if (EP && !OP) { 33415645Sjoerg SET(iflag, INPCK|IGNPAR); 33515645Sjoerg CLR(cflag, PARODD); 33615645Sjoerg if (AP) 33715645Sjoerg CLR(iflag, INPCK); 33815645Sjoerg } else if (AP || (EP && OP)) { 33915645Sjoerg CLR(iflag, INPCK|IGNPAR); 34015645Sjoerg CLR(cflag, PARODD); 34115645Sjoerg } 34215645Sjoerg } /* else, leave as is */ 34315645Sjoerg 34415645Sjoerg#if 0 3451592Srgrimes if (UC) 3461592Srgrimes f |= LCASE; 34715645Sjoerg#endif 3481592Srgrimes 34915645Sjoerg if (HC) 35015645Sjoerg SET(cflag, HUPCL); 35115645Sjoerg else 35215645Sjoerg CLR(cflag, HUPCL); 3531592Srgrimes 35415645Sjoerg if (MB) 35515645Sjoerg SET(cflag, MDMBUF); 35615645Sjoerg else 35715645Sjoerg CLR(cflag, MDMBUF); 3581592Srgrimes 35922208Sdavidn if (HW) 36022208Sdavidn SET(cflag, CRTSCTS); 36122208Sdavidn else 36222208Sdavidn CLR(cflag, CRTSCTS); 36322208Sdavidn 36415645Sjoerg if (NL) { 36515645Sjoerg SET(iflag, ICRNL); 36615645Sjoerg SET(oflag, ONLCR|OPOST); 36715645Sjoerg } else { 36815645Sjoerg CLR(iflag, ICRNL); 36915645Sjoerg CLR(oflag, ONLCR); 3701592Srgrimes } 3711592Srgrimes 3721592Srgrimes if (!HT) 37315645Sjoerg SET(oflag, OXTABS|OPOST); 37415645Sjoerg else 37515645Sjoerg CLR(oflag, OXTABS); 3761592Srgrimes 37715645Sjoerg#ifdef XXX_DELAY 37815645Sjoerg SET(f, delaybits()); 37915645Sjoerg#endif 38015645Sjoerg 38115645Sjoerg if (n == 1) { /* read mode flags */ 38215645Sjoerg if (RW) { 38315645Sjoerg iflag = 0; 38415645Sjoerg CLR(oflag, OPOST); 38515645Sjoerg CLR(cflag, CSIZE|PARENB); 38615645Sjoerg SET(cflag, CS8); 38715645Sjoerg lflag = 0; 38815645Sjoerg } else { 38915645Sjoerg CLR(lflag, ICANON); 39015645Sjoerg } 39115645Sjoerg goto out; 39215645Sjoerg } 39315645Sjoerg 3941592Srgrimes if (n == 0) 39515645Sjoerg goto out; 3961592Srgrimes 39715645Sjoerg#if 0 3981592Srgrimes if (CB) 39915645Sjoerg SET(f, CRTBS); 40015645Sjoerg#endif 4011592Srgrimes 4021592Srgrimes if (CE) 40315645Sjoerg SET(lflag, ECHOE); 40415645Sjoerg else 40515645Sjoerg CLR(lflag, ECHOE); 4061592Srgrimes 4071592Srgrimes if (CK) 40815645Sjoerg SET(lflag, ECHOKE); 40915645Sjoerg else 41015645Sjoerg CLR(lflag, ECHOKE); 4111592Srgrimes 4121592Srgrimes if (PE) 41315645Sjoerg SET(lflag, ECHOPRT); 41415645Sjoerg else 41515645Sjoerg CLR(lflag, ECHOPRT); 4161592Srgrimes 4171592Srgrimes if (EC) 41815645Sjoerg SET(lflag, ECHO); 41915645Sjoerg else 42015645Sjoerg CLR(lflag, ECHO); 4211592Srgrimes 4221592Srgrimes if (XC) 42315645Sjoerg SET(lflag, ECHOCTL); 42415645Sjoerg else 42515645Sjoerg CLR(lflag, ECHOCTL); 4261592Srgrimes 4271592Srgrimes if (DX) 42815645Sjoerg SET(lflag, IXANY); 42915645Sjoerg else 43015645Sjoerg CLR(lflag, IXANY); 4311592Srgrimes 43215645Sjoergout: 43315645Sjoerg tmode.c_iflag = iflag; 43415645Sjoerg tmode.c_oflag = oflag; 43515645Sjoerg tmode.c_cflag = cflag; 43615645Sjoerg tmode.c_lflag = lflag; 4371592Srgrimes} 4381592Srgrimes 43915645Sjoerg#ifdef COMPAT_43 44015645Sjoerg/* 44115645Sjoerg * Old TTY => termios, snatched from <sys/kern/tty_compat.c> 44215645Sjoerg */ 44315645Sjoergvoid 44415645Sjoergcompatflags(flags) 44515645Sjoergregister long flags; 44615645Sjoerg{ 44715645Sjoerg register tcflag_t iflag, oflag, cflag, lflag; 44815645Sjoerg 44915645Sjoerg iflag = BRKINT|ICRNL|IMAXBEL|IXON|IXANY; 45015645Sjoerg oflag = OPOST|ONLCR|OXTABS; 45115645Sjoerg cflag = CREAD; 45215645Sjoerg lflag = ICANON|ISIG|IEXTEN; 45315645Sjoerg 45415645Sjoerg if (ISSET(flags, TANDEM)) 45515645Sjoerg SET(iflag, IXOFF); 45615645Sjoerg else 45715645Sjoerg CLR(iflag, IXOFF); 45815645Sjoerg if (ISSET(flags, ECHO)) 45915645Sjoerg SET(lflag, ECHO); 46015645Sjoerg else 46115645Sjoerg CLR(lflag, ECHO); 46215645Sjoerg if (ISSET(flags, CRMOD)) { 46315645Sjoerg SET(iflag, ICRNL); 46415645Sjoerg SET(oflag, ONLCR); 46515645Sjoerg } else { 46615645Sjoerg CLR(iflag, ICRNL); 46715645Sjoerg CLR(oflag, ONLCR); 46815645Sjoerg } 46915645Sjoerg if (ISSET(flags, XTABS)) 47015645Sjoerg SET(oflag, OXTABS); 47115645Sjoerg else 47215645Sjoerg CLR(oflag, OXTABS); 47315645Sjoerg 47415645Sjoerg 47515645Sjoerg if (ISSET(flags, RAW)) { 47615645Sjoerg iflag &= IXOFF; 47715645Sjoerg CLR(lflag, ISIG|ICANON|IEXTEN); 47815645Sjoerg CLR(cflag, PARENB); 47915645Sjoerg } else { 48015645Sjoerg SET(iflag, BRKINT|IXON|IMAXBEL); 48115645Sjoerg SET(lflag, ISIG|IEXTEN); 48215645Sjoerg if (ISSET(flags, CBREAK)) 48315645Sjoerg CLR(lflag, ICANON); 48415645Sjoerg else 48515645Sjoerg SET(lflag, ICANON); 48615645Sjoerg switch (ISSET(flags, ANYP)) { 48715645Sjoerg case 0: 48815645Sjoerg CLR(cflag, PARENB); 48915645Sjoerg break; 49015645Sjoerg case ANYP: 49115645Sjoerg SET(cflag, PARENB); 49215645Sjoerg CLR(iflag, INPCK); 49315645Sjoerg break; 49415645Sjoerg case EVENP: 49515645Sjoerg SET(cflag, PARENB); 49615645Sjoerg SET(iflag, INPCK); 49715645Sjoerg CLR(cflag, PARODD); 49815645Sjoerg break; 49915645Sjoerg case ODDP: 50015645Sjoerg SET(cflag, PARENB); 50115645Sjoerg SET(iflag, INPCK); 50215645Sjoerg SET(cflag, PARODD); 50315645Sjoerg break; 50415645Sjoerg } 50515645Sjoerg } 50615645Sjoerg 50715645Sjoerg /* Nothing we can do with CRTBS. */ 50815645Sjoerg if (ISSET(flags, PRTERA)) 50915645Sjoerg SET(lflag, ECHOPRT); 51015645Sjoerg else 51115645Sjoerg CLR(lflag, ECHOPRT); 51215645Sjoerg if (ISSET(flags, CRTERA)) 51315645Sjoerg SET(lflag, ECHOE); 51415645Sjoerg else 51515645Sjoerg CLR(lflag, ECHOE); 51615645Sjoerg /* Nothing we can do with TILDE. */ 51715645Sjoerg if (ISSET(flags, MDMBUF)) 51815645Sjoerg SET(cflag, MDMBUF); 51915645Sjoerg else 52015645Sjoerg CLR(cflag, MDMBUF); 52115645Sjoerg if (ISSET(flags, NOHANG)) 52215645Sjoerg CLR(cflag, HUPCL); 52315645Sjoerg else 52415645Sjoerg SET(cflag, HUPCL); 52515645Sjoerg if (ISSET(flags, CRTKIL)) 52615645Sjoerg SET(lflag, ECHOKE); 52715645Sjoerg else 52815645Sjoerg CLR(lflag, ECHOKE); 52915645Sjoerg if (ISSET(flags, CTLECH)) 53015645Sjoerg SET(lflag, ECHOCTL); 53115645Sjoerg else 53215645Sjoerg CLR(lflag, ECHOCTL); 53315645Sjoerg if (!ISSET(flags, DECCTQ)) 53415645Sjoerg SET(iflag, IXANY); 53515645Sjoerg else 53615645Sjoerg CLR(iflag, IXANY); 53715645Sjoerg CLR(lflag, TOSTOP|FLUSHO|PENDIN|NOFLSH); 53815645Sjoerg SET(lflag, ISSET(flags, TOSTOP|FLUSHO|PENDIN|NOFLSH)); 53915645Sjoerg 54015645Sjoerg if (ISSET(flags, RAW|LITOUT|PASS8)) { 54115645Sjoerg CLR(cflag, CSIZE); 54215645Sjoerg SET(cflag, CS8); 54315645Sjoerg if (!ISSET(flags, RAW|PASS8)) 54415645Sjoerg SET(iflag, ISTRIP); 54515645Sjoerg else 54615645Sjoerg CLR(iflag, ISTRIP); 54715645Sjoerg if (!ISSET(flags, RAW|LITOUT)) 54815645Sjoerg SET(oflag, OPOST); 54915645Sjoerg else 55015645Sjoerg CLR(oflag, OPOST); 55115645Sjoerg } else { 55215645Sjoerg CLR(cflag, CSIZE); 55315645Sjoerg SET(cflag, CS7); 55415645Sjoerg SET(iflag, ISTRIP); 55515645Sjoerg SET(oflag, OPOST); 55615645Sjoerg } 55715645Sjoerg 55815645Sjoerg tmode.c_iflag = iflag; 55915645Sjoerg tmode.c_oflag = oflag; 56015645Sjoerg tmode.c_cflag = cflag; 56115645Sjoerg tmode.c_lflag = lflag; 56215645Sjoerg} 56315645Sjoerg#endif 56415645Sjoerg 56515645Sjoerg#ifdef XXX_DELAY 5661592Srgrimesstruct delayval { 5671592Srgrimes unsigned delay; /* delay in ms */ 5681592Srgrimes int bits; 5691592Srgrimes}; 5701592Srgrimes 5711592Srgrimes/* 5721592Srgrimes * below are random guesses, I can't be bothered checking 5731592Srgrimes */ 5741592Srgrimes 5751592Srgrimesstruct delayval crdelay[] = { 57615645Sjoerg { 1, CR1 }, 57715645Sjoerg { 2, CR2 }, 57815645Sjoerg { 3, CR3 }, 57915645Sjoerg { 83, CR1 }, 58015645Sjoerg { 166, CR2 }, 58115645Sjoerg { 0, CR3 }, 5821592Srgrimes}; 5831592Srgrimes 5841592Srgrimesstruct delayval nldelay[] = { 58515645Sjoerg { 1, NL1 }, /* special, calculated */ 58615645Sjoerg { 2, NL2 }, 58715645Sjoerg { 3, NL3 }, 58815645Sjoerg { 100, NL2 }, 58915645Sjoerg { 0, NL3 }, 5901592Srgrimes}; 5911592Srgrimes 5921592Srgrimesstruct delayval bsdelay[] = { 59315645Sjoerg { 1, BS1 }, 59415645Sjoerg { 0, 0 }, 5951592Srgrimes}; 5961592Srgrimes 5971592Srgrimesstruct delayval ffdelay[] = { 59815645Sjoerg { 1, FF1 }, 59915645Sjoerg { 1750, FF1 }, 60015645Sjoerg { 0, FF1 }, 6011592Srgrimes}; 6021592Srgrimes 6031592Srgrimesstruct delayval tbdelay[] = { 60415645Sjoerg { 1, TAB1 }, 60515645Sjoerg { 2, TAB2 }, 60615645Sjoerg { 3, XTABS }, /* this is expand tabs */ 60715645Sjoerg { 100, TAB1 }, 60815645Sjoerg { 0, TAB2 }, 6091592Srgrimes}; 6101592Srgrimes 61115645Sjoergint 6121592Srgrimesdelaybits() 6131592Srgrimes{ 61415645Sjoerg register int f; 6151592Srgrimes 6161592Srgrimes f = adelay(CD, crdelay); 6171592Srgrimes f |= adelay(ND, nldelay); 6181592Srgrimes f |= adelay(FD, ffdelay); 6191592Srgrimes f |= adelay(TD, tbdelay); 6201592Srgrimes f |= adelay(BD, bsdelay); 6211592Srgrimes return (f); 6221592Srgrimes} 6231592Srgrimes 62415645Sjoergint 6251592Srgrimesadelay(ms, dp) 6261592Srgrimes register ms; 6271592Srgrimes register struct delayval *dp; 6281592Srgrimes{ 6291592Srgrimes if (ms == 0) 6301592Srgrimes return (0); 6311592Srgrimes while (dp->delay && ms > dp->delay) 6321592Srgrimes dp++; 6331592Srgrimes return (dp->bits); 6341592Srgrimes} 63515645Sjoerg#endif 6361592Srgrimes 63715645Sjoergchar editedhost[MAXHOSTNAMELEN]; 6381592Srgrimes 63915645Sjoergvoid 6401592Srgrimesedithost(pat) 64115645Sjoerg register const char *pat; 6421592Srgrimes{ 64315645Sjoerg register const char *host = HN; 6441592Srgrimes register char *res = editedhost; 6451592Srgrimes 6461592Srgrimes if (!pat) 6471592Srgrimes pat = ""; 6481592Srgrimes while (*pat) { 6491592Srgrimes switch (*pat) { 6501592Srgrimes 6511592Srgrimes case '#': 6521592Srgrimes if (*host) 6531592Srgrimes host++; 6541592Srgrimes break; 6551592Srgrimes 6561592Srgrimes case '@': 6571592Srgrimes if (*host) 6581592Srgrimes *res++ = *host++; 6591592Srgrimes break; 6601592Srgrimes 6611592Srgrimes default: 6621592Srgrimes *res++ = *pat; 6631592Srgrimes break; 6641592Srgrimes 6651592Srgrimes } 6661592Srgrimes if (res == &editedhost[sizeof editedhost - 1]) { 6671592Srgrimes *res = '\0'; 6681592Srgrimes return; 6691592Srgrimes } 6701592Srgrimes pat++; 6711592Srgrimes } 6721592Srgrimes if (*host) 6731592Srgrimes strncpy(res, host, sizeof editedhost - (res - editedhost) - 1); 6741592Srgrimes else 6751592Srgrimes *res = '\0'; 6761592Srgrimes editedhost[sizeof editedhost - 1] = '\0'; 6771592Srgrimes} 6781592Srgrimes 67915645Sjoergstatic struct speedtab { 6801592Srgrimes int speed; 6811592Srgrimes int uxname; 6821592Srgrimes} speedtab[] = { 68315645Sjoerg { 50, B50 }, 68415645Sjoerg { 75, B75 }, 68515645Sjoerg { 110, B110 }, 68615645Sjoerg { 134, B134 }, 68715645Sjoerg { 150, B150 }, 68815645Sjoerg { 200, B200 }, 68915645Sjoerg { 300, B300 }, 69015645Sjoerg { 600, B600 }, 69115645Sjoerg { 1200, B1200 }, 69215645Sjoerg { 1800, B1800 }, 69315645Sjoerg { 2400, B2400 }, 69415645Sjoerg { 4800, B4800 }, 69515645Sjoerg { 9600, B9600 }, 69615645Sjoerg { 19200, EXTA }, 69715645Sjoerg { 19, EXTA }, /* for people who say 19.2K */ 69815645Sjoerg { 38400, EXTB }, 69915645Sjoerg { 38, EXTB }, 70015645Sjoerg { 7200, EXTB }, /* alternative */ 70115645Sjoerg { 57600, B57600 }, 70215645Sjoerg { 115200, B115200 }, 70315645Sjoerg { 0 } 7041592Srgrimes}; 7051592Srgrimes 70615645Sjoergint 7071592Srgrimesspeed(val) 70815645Sjoerg int val; 7091592Srgrimes{ 7101592Srgrimes register struct speedtab *sp; 7111592Srgrimes 7129651Sache if (val <= B115200) 7131592Srgrimes return (val); 7141592Srgrimes 7151592Srgrimes for (sp = speedtab; sp->speed; sp++) 7161592Srgrimes if (sp->speed == val) 7171592Srgrimes return (sp->uxname); 7188870Srgrimes 7191592Srgrimes return (B300); /* default in impossible cases */ 7201592Srgrimes} 7211592Srgrimes 72215645Sjoergvoid 7231592Srgrimesmakeenv(env) 7241592Srgrimes char *env[]; 7251592Srgrimes{ 7261592Srgrimes static char termbuf[128] = "TERM="; 7271592Srgrimes register char *p, *q; 7281592Srgrimes register char **ep; 7291592Srgrimes 7301592Srgrimes ep = env; 7311592Srgrimes if (TT && *TT) { 7321592Srgrimes strcat(termbuf, TT); 7331592Srgrimes *ep++ = termbuf; 7341592Srgrimes } 73515645Sjoerg if ((p = EV)) { 7361592Srgrimes q = p; 73715645Sjoerg while ((q = strchr(q, ','))) { 7381592Srgrimes *q++ = '\0'; 7391592Srgrimes *ep++ = p; 7401592Srgrimes p = q; 7411592Srgrimes } 7421592Srgrimes if (*p) 7431592Srgrimes *ep++ = p; 7441592Srgrimes } 7451592Srgrimes *ep = (char *)0; 7461592Srgrimes} 7471592Srgrimes 7481592Srgrimes/* 7491592Srgrimes * This speed select mechanism is written for the Develcon DATASWITCH. 7501592Srgrimes * The Develcon sends a string of the form "B{speed}\n" at a predefined 7511592Srgrimes * baud rate. This string indicates the user's actual speed. 7521592Srgrimes * The routine below returns the terminal type mapped from derived speed. 7531592Srgrimes */ 7541592Srgrimesstruct portselect { 75515645Sjoerg const char *ps_baud; 75615645Sjoerg const char *ps_type; 7571592Srgrimes} portspeeds[] = { 7581592Srgrimes { "B110", "std.110" }, 7591592Srgrimes { "B134", "std.134" }, 7601592Srgrimes { "B150", "std.150" }, 7611592Srgrimes { "B300", "std.300" }, 7621592Srgrimes { "B600", "std.600" }, 7631592Srgrimes { "B1200", "std.1200" }, 7641592Srgrimes { "B2400", "std.2400" }, 7651592Srgrimes { "B4800", "std.4800" }, 7661592Srgrimes { "B9600", "std.9600" }, 7671592Srgrimes { "B19200", "std.19200" }, 7681592Srgrimes { 0 } 7691592Srgrimes}; 7701592Srgrimes 77115645Sjoergconst char * 7721592Srgrimesportselector() 7731592Srgrimes{ 77415645Sjoerg char c, baud[20]; 77515645Sjoerg const char *type = "default"; 7761592Srgrimes register struct portselect *ps; 7771592Srgrimes int len; 7781592Srgrimes 7791592Srgrimes alarm(5*60); 7801592Srgrimes for (len = 0; len < sizeof (baud) - 1; len++) { 7811592Srgrimes if (read(STDIN_FILENO, &c, 1) <= 0) 7821592Srgrimes break; 7831592Srgrimes c &= 0177; 7841592Srgrimes if (c == '\n' || c == '\r') 7851592Srgrimes break; 7861592Srgrimes if (c == 'B') 7871592Srgrimes len = 0; /* in case of leading garbage */ 7881592Srgrimes baud[len] = c; 7891592Srgrimes } 7901592Srgrimes baud[len] = '\0'; 7911592Srgrimes for (ps = portspeeds; ps->ps_baud; ps++) 7921592Srgrimes if (strcmp(ps->ps_baud, baud) == 0) { 7931592Srgrimes type = ps->ps_type; 7941592Srgrimes break; 7951592Srgrimes } 7961592Srgrimes sleep(2); /* wait for connection to complete */ 7971592Srgrimes return (type); 7981592Srgrimes} 7991592Srgrimes 8001592Srgrimes/* 8011592Srgrimes * This auto-baud speed select mechanism is written for the Micom 600 8021592Srgrimes * portselector. Selection is done by looking at how the character '\r' 8031592Srgrimes * is garbled at the different speeds. 8041592Srgrimes */ 8051592Srgrimes#include <sys/time.h> 8061592Srgrimes 80715645Sjoergconst char * 8081592Srgrimesautobaud() 8091592Srgrimes{ 8101592Srgrimes int rfds; 8111592Srgrimes struct timeval timeout; 81215645Sjoerg char c; 81315645Sjoerg const char *type = "9600-baud"; 8141592Srgrimes 81515645Sjoerg (void)tcflush(0, TCIOFLUSH); 8161592Srgrimes rfds = 1 << 0; 8171592Srgrimes timeout.tv_sec = 5; 8181592Srgrimes timeout.tv_usec = 0; 8191592Srgrimes if (select(32, (fd_set *)&rfds, (fd_set *)NULL, 8201592Srgrimes (fd_set *)NULL, &timeout) <= 0) 8211592Srgrimes return (type); 8221592Srgrimes if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char)) 8231592Srgrimes return (type); 8241592Srgrimes timeout.tv_sec = 0; 8251592Srgrimes timeout.tv_usec = 20; 8261592Srgrimes (void) select(32, (fd_set *)NULL, (fd_set *)NULL, 8271592Srgrimes (fd_set *)NULL, &timeout); 82815645Sjoerg (void)tcflush(0, TCIOFLUSH); 8291592Srgrimes switch (c & 0377) { 8301592Srgrimes 8311592Srgrimes case 0200: /* 300-baud */ 8321592Srgrimes type = "300-baud"; 8331592Srgrimes break; 8341592Srgrimes 8351592Srgrimes case 0346: /* 1200-baud */ 8361592Srgrimes type = "1200-baud"; 8371592Srgrimes break; 8381592Srgrimes 8391592Srgrimes case 015: /* 2400-baud */ 8401592Srgrimes case 0215: 8411592Srgrimes type = "2400-baud"; 8421592Srgrimes break; 8431592Srgrimes 8441592Srgrimes default: /* 4800-baud */ 8451592Srgrimes type = "4800-baud"; 8461592Srgrimes break; 8471592Srgrimes 8481592Srgrimes case 0377: /* 9600-baud */ 8491592Srgrimes type = "9600-baud"; 8501592Srgrimes break; 8511592Srgrimes } 8521592Srgrimes return (type); 8531592Srgrimes} 854