subr.c revision 90301
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 3531331Scharnier#if 0 3631331Scharnierstatic char sccsid[] = "@(#)from: subr.c 8.1 (Berkeley) 6/4/93"; 3731331Scharnier#endif 3831331Scharnierstatic const char rcsid[] = 3950476Speter "$FreeBSD: head/libexec/getty/subr.c 90301 2002-02-06 16:38:40Z imp $"; 401592Srgrimes#endif /* not lint */ 411592Srgrimes 421592Srgrimes/* 431592Srgrimes * Melbourne getty. 441592Srgrimes */ 4515645Sjoerg#define COMPAT_43 4631331Scharnier#ifdef DEBUG 4731331Scharnier#include <stdio.h> 4831331Scharnier#endif 4915645Sjoerg#include <stdlib.h> 501592Srgrimes#include <string.h> 5115645Sjoerg#include <termios.h> 5231331Scharnier#include <unistd.h> 5315645Sjoerg#include <sys/ioctl.h> 5415645Sjoerg#include <sys/param.h> 5531331Scharnier#include <sys/time.h> 5625709Sdavidn#include <syslog.h> 5715645Sjoerg 581592Srgrimes#include "gettytab.h" 5915645Sjoerg#include "pathnames.h" 6015645Sjoerg#include "extern.h" 611592Srgrimes 621592Srgrimes 6315645Sjoerg#ifdef COMPAT_43 6490301Simpstatic void compatflags(long); 6515645Sjoerg#endif 6615645Sjoerg 671592Srgrimes/* 681592Srgrimes * Get a table entry. 691592Srgrimes */ 7015645Sjoergvoid 7190301Simpgettable(const char *name, char *buf) 721592Srgrimes{ 7390301Simp struct gettystrs *sp; 7490301Simp struct gettynums *np; 7590301Simp struct gettyflags *fp; 7615645Sjoerg long n; 7725709Sdavidn int l; 7825709Sdavidn char *p; 7925709Sdavidn char *msg = NULL; 8015645Sjoerg const char *dba[2]; 8125709Sdavidn 8225709Sdavidn static int firsttime = 1; 8325709Sdavidn 8415645Sjoerg dba[0] = _PATH_GETTYTAB; 8515645Sjoerg dba[1] = 0; 861592Srgrimes 8725709Sdavidn if (firsttime) { 8825709Sdavidn /* 8925709Sdavidn * we need to strdup() anything in the strings array 9025709Sdavidn * initially in order to simplify things later 9125709Sdavidn */ 9225709Sdavidn for (sp = gettystrs; sp->field; sp++) 9325709Sdavidn if (sp->value != NULL) { 9425709Sdavidn /* handle these ones more carefully */ 9525709Sdavidn if (sp >= &gettystrs[4] && sp <= &gettystrs[6]) 9625709Sdavidn l = 2; 9725709Sdavidn else 9825709Sdavidn l = strlen(sp->value) + 1; 9925709Sdavidn if ((p = malloc(l)) != NULL) { 10025709Sdavidn strncpy(p, sp->value, l); 10125709Sdavidn p[l-1] = '\0'; 10225709Sdavidn } 10325709Sdavidn /* 10425709Sdavidn * replace, even if NULL, else we'll 10525709Sdavidn * have problems with free()ing static mem 10625709Sdavidn */ 10725709Sdavidn sp->value = p; 10825709Sdavidn } 10925709Sdavidn firsttime = 0; 11025709Sdavidn } 11125709Sdavidn 11225709Sdavidn switch (cgetent(&buf, (char **)dba, (char *)name)) { 11325709Sdavidn case 1: 11425709Sdavidn msg = "%s: couldn't resolve 'tc=' in gettytab '%s'"; 11525709Sdavidn case 0: 11625709Sdavidn break; 11725709Sdavidn case -1: 11825709Sdavidn msg = "%s: unknown gettytab entry '%s'"; 11925709Sdavidn break; 12025709Sdavidn case -2: 12125709Sdavidn msg = "%s: retrieving gettytab entry '%s': %m"; 12225709Sdavidn break; 12325709Sdavidn case -3: 12425709Sdavidn msg = "%s: recursive 'tc=' reference gettytab entry '%s'"; 12525709Sdavidn break; 12625709Sdavidn default: 12725709Sdavidn msg = "%s: unexpected cgetent() error for entry '%s'"; 12825709Sdavidn break; 12925709Sdavidn } 13025709Sdavidn 13125709Sdavidn if (msg != NULL) { 13225709Sdavidn syslog(LOG_ERR, msg, "getty", name); 1331592Srgrimes return; 13425709Sdavidn } 1351592Srgrimes 13625709Sdavidn for (sp = gettystrs; sp->field; sp++) { 13729045Sdavidn if ((l = cgetstr(buf, (char*)sp->field, &p)) >= 0) { 13825709Sdavidn if (sp->value) { 13925709Sdavidn /* prefer existing value */ 14025709Sdavidn if (strcmp(p, sp->value) != 0) 14125709Sdavidn free(sp->value); 14225709Sdavidn else { 14325709Sdavidn free(p); 14425709Sdavidn p = sp->value; 14525709Sdavidn } 14625709Sdavidn } 14725709Sdavidn sp->value = p; 14825709Sdavidn } else if (l == -1) { 14925709Sdavidn free(sp->value); 15025709Sdavidn sp->value = NULL; 15125709Sdavidn } 15225709Sdavidn } 15325709Sdavidn 1541592Srgrimes for (np = gettynums; np->field; np++) { 15525709Sdavidn if (cgetnum(buf, (char*)np->field, &n) == -1) 1561592Srgrimes np->set = 0; 1571592Srgrimes else { 1581592Srgrimes np->set = 1; 1591592Srgrimes np->value = n; 1601592Srgrimes } 1611592Srgrimes } 16225709Sdavidn 1631592Srgrimes for (fp = gettyflags; fp->field; fp++) { 16425709Sdavidn if (cgetcap(buf, (char *)fp->field, ':') == NULL) 1651592Srgrimes fp->set = 0; 1661592Srgrimes else { 1671592Srgrimes fp->set = 1; 16815645Sjoerg fp->value = 1 ^ fp->invrt; 1691592Srgrimes } 1701592Srgrimes } 17125709Sdavidn 17215645Sjoerg#ifdef DEBUG 17315645Sjoerg printf("name=\"%s\", buf=\"%s\"\r\n", name, buf); 17415645Sjoerg for (sp = gettystrs; sp->field; sp++) 17529045Sdavidn printf("cgetstr: %s=%s\r\n", sp->field, sp->value); 17615645Sjoerg for (np = gettynums; np->field; np++) 17715645Sjoerg printf("cgetnum: %s=%d\r\n", np->field, np->value); 17815645Sjoerg for (fp = gettyflags; fp->field; fp++) 17915645Sjoerg printf("cgetflags: %s='%c' set='%c'\r\n", fp->field, 18015645Sjoerg fp->value + '0', fp->set + '0'); 18115645Sjoerg#endif /* DEBUG */ 1821592Srgrimes} 1831592Srgrimes 18415645Sjoergvoid 18590301Simpgendefaults(void) 1861592Srgrimes{ 18790301Simp struct gettystrs *sp; 18890301Simp struct gettynums *np; 18990301Simp struct gettyflags *fp; 1901592Srgrimes 1911592Srgrimes for (sp = gettystrs; sp->field; sp++) 1921592Srgrimes if (sp->value) 19325709Sdavidn sp->defalt = strdup(sp->value); 1941592Srgrimes for (np = gettynums; np->field; np++) 1951592Srgrimes if (np->set) 1961592Srgrimes np->defalt = np->value; 1971592Srgrimes for (fp = gettyflags; fp->field; fp++) 1981592Srgrimes if (fp->set) 1991592Srgrimes fp->defalt = fp->value; 2001592Srgrimes else 2011592Srgrimes fp->defalt = fp->invrt; 2021592Srgrimes} 2031592Srgrimes 20415645Sjoergvoid 20590301Simpsetdefaults(void) 2061592Srgrimes{ 20790301Simp struct gettystrs *sp; 20890301Simp struct gettynums *np; 20990301Simp struct gettyflags *fp; 2101592Srgrimes 2111592Srgrimes for (sp = gettystrs; sp->field; sp++) 2121592Srgrimes if (!sp->value) 21325709Sdavidn sp->value = !sp->defalt ? sp->defalt 21425709Sdavidn : strdup(sp->defalt); 2151592Srgrimes for (np = gettynums; np->field; np++) 2161592Srgrimes if (!np->set) 2171592Srgrimes np->value = np->defalt; 2181592Srgrimes for (fp = gettyflags; fp->field; fp++) 2191592Srgrimes if (!fp->set) 2201592Srgrimes fp->value = fp->defalt; 2211592Srgrimes} 2221592Srgrimes 2231592Srgrimesstatic char ** 2241592Srgrimescharnames[] = { 2251592Srgrimes &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK, 2261592Srgrimes &SU, &DS, &RP, &FL, &WE, &LN, 0 2271592Srgrimes}; 2281592Srgrimes 2291592Srgrimesstatic char * 2301592Srgrimescharvars[] = { 23115645Sjoerg &tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR], 23215645Sjoerg &tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP], 23315645Sjoerg &tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP], 23415645Sjoerg &tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD], 23515645Sjoerg &tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0 2361592Srgrimes}; 2371592Srgrimes 23815645Sjoergvoid 23990301Simpsetchars(void) 2401592Srgrimes{ 24190301Simp int i; 24290301Simp const char *p; 2431592Srgrimes 2441592Srgrimes for (i = 0; charnames[i]; i++) { 2451592Srgrimes p = *charnames[i]; 2461592Srgrimes if (p && *p) 2471592Srgrimes *charvars[i] = *p; 2481592Srgrimes else 24915645Sjoerg *charvars[i] = _POSIX_VDISABLE; 2501592Srgrimes } 2511592Srgrimes} 2521592Srgrimes 25315645Sjoerg/* Macros to clear/set/test flags. */ 25415645Sjoerg#define SET(t, f) (t) |= (f) 25515645Sjoerg#define CLR(t, f) (t) &= ~(f) 25615645Sjoerg#define ISSET(t, f) ((t) & (f)) 25715645Sjoerg 25815645Sjoergvoid 25990301Simpset_flags(int n) 2601592Srgrimes{ 26190301Simp tcflag_t iflag, oflag, cflag, lflag; 2621592Srgrimes 26315645Sjoerg#ifdef COMPAT_43 2641592Srgrimes switch (n) { 2651592Srgrimes case 0: 26615645Sjoerg if (F0set) { 26715645Sjoerg compatflags(F0); 26815645Sjoerg return; 26915645Sjoerg } 2701592Srgrimes break; 2711592Srgrimes case 1: 27215645Sjoerg if (F1set) { 27315645Sjoerg compatflags(F1); 27415645Sjoerg return; 27515645Sjoerg } 2761592Srgrimes break; 2771592Srgrimes default: 27815645Sjoerg if (F2set) { 27915645Sjoerg compatflags(F2); 28015645Sjoerg return; 28115645Sjoerg } 2821592Srgrimes break; 2831592Srgrimes } 28415645Sjoerg#endif 2851592Srgrimes 28615645Sjoerg switch (n) { 28715645Sjoerg case 0: 28815645Sjoerg if (C0set && I0set && L0set && O0set) { 28915645Sjoerg tmode.c_cflag = C0; 29015645Sjoerg tmode.c_iflag = I0; 29115645Sjoerg tmode.c_lflag = L0; 29215645Sjoerg tmode.c_oflag = O0; 29315645Sjoerg return; 29415645Sjoerg } 29515645Sjoerg break; 29615645Sjoerg case 1: 29715645Sjoerg if (C1set && I1set && L1set && O1set) { 29815645Sjoerg tmode.c_cflag = C1; 29915645Sjoerg tmode.c_iflag = I1; 30015645Sjoerg tmode.c_lflag = L1; 30115645Sjoerg tmode.c_oflag = O1; 30215645Sjoerg return; 30315645Sjoerg } 30415645Sjoerg break; 30515645Sjoerg default: 30615645Sjoerg if (C2set && I2set && L2set && O2set) { 30715645Sjoerg tmode.c_cflag = C2; 30815645Sjoerg tmode.c_iflag = I2; 30915645Sjoerg tmode.c_lflag = L2; 31015645Sjoerg tmode.c_oflag = O2; 31115645Sjoerg return; 31215645Sjoerg } 31315645Sjoerg break; 31415645Sjoerg } 3151592Srgrimes 31615645Sjoerg iflag = omode.c_iflag; 31715645Sjoerg oflag = omode.c_oflag; 31815645Sjoerg cflag = omode.c_cflag; 31915645Sjoerg lflag = omode.c_lflag; 3201592Srgrimes 32115645Sjoerg if (NP) { 32215645Sjoerg CLR(cflag, CSIZE|PARENB); 32315645Sjoerg SET(cflag, CS8); 32415645Sjoerg CLR(iflag, ISTRIP|INPCK|IGNPAR); 32515645Sjoerg } else if (AP || EP || OP) { 32615645Sjoerg CLR(cflag, CSIZE); 32715645Sjoerg SET(cflag, CS7|PARENB); 32815645Sjoerg SET(iflag, ISTRIP); 32915645Sjoerg if (OP && !EP) { 33015645Sjoerg SET(iflag, INPCK|IGNPAR); 33115645Sjoerg SET(cflag, PARODD); 33215645Sjoerg if (AP) 33315645Sjoerg CLR(iflag, INPCK); 33415645Sjoerg } else if (EP && !OP) { 33515645Sjoerg SET(iflag, INPCK|IGNPAR); 33615645Sjoerg CLR(cflag, PARODD); 33715645Sjoerg if (AP) 33815645Sjoerg CLR(iflag, INPCK); 33915645Sjoerg } else if (AP || (EP && OP)) { 34015645Sjoerg CLR(iflag, INPCK|IGNPAR); 34115645Sjoerg CLR(cflag, PARODD); 34215645Sjoerg } 34315645Sjoerg } /* else, leave as is */ 34415645Sjoerg 34515645Sjoerg#if 0 3461592Srgrimes if (UC) 3471592Srgrimes f |= LCASE; 34815645Sjoerg#endif 3491592Srgrimes 35015645Sjoerg if (HC) 35115645Sjoerg SET(cflag, HUPCL); 35215645Sjoerg else 35315645Sjoerg CLR(cflag, HUPCL); 3541592Srgrimes 35515645Sjoerg if (MB) 35615645Sjoerg SET(cflag, MDMBUF); 35715645Sjoerg else 35815645Sjoerg CLR(cflag, MDMBUF); 3591592Srgrimes 36022208Sdavidn if (HW) 36122208Sdavidn SET(cflag, CRTSCTS); 36222208Sdavidn else 36322208Sdavidn CLR(cflag, CRTSCTS); 36422208Sdavidn 36515645Sjoerg if (NL) { 36615645Sjoerg SET(iflag, ICRNL); 36715645Sjoerg SET(oflag, ONLCR|OPOST); 36815645Sjoerg } else { 36915645Sjoerg CLR(iflag, ICRNL); 37015645Sjoerg CLR(oflag, ONLCR); 3711592Srgrimes } 3721592Srgrimes 3731592Srgrimes if (!HT) 37415645Sjoerg SET(oflag, OXTABS|OPOST); 37515645Sjoerg else 37615645Sjoerg CLR(oflag, OXTABS); 3771592Srgrimes 37815645Sjoerg#ifdef XXX_DELAY 37915645Sjoerg SET(f, delaybits()); 38015645Sjoerg#endif 38115645Sjoerg 38215645Sjoerg if (n == 1) { /* read mode flags */ 38315645Sjoerg if (RW) { 38415645Sjoerg iflag = 0; 38515645Sjoerg CLR(oflag, OPOST); 38615645Sjoerg CLR(cflag, CSIZE|PARENB); 38715645Sjoerg SET(cflag, CS8); 38815645Sjoerg lflag = 0; 38915645Sjoerg } else { 39015645Sjoerg CLR(lflag, ICANON); 39115645Sjoerg } 39215645Sjoerg goto out; 39315645Sjoerg } 39415645Sjoerg 3951592Srgrimes if (n == 0) 39615645Sjoerg goto out; 3971592Srgrimes 39815645Sjoerg#if 0 3991592Srgrimes if (CB) 40015645Sjoerg SET(f, CRTBS); 40115645Sjoerg#endif 4021592Srgrimes 4031592Srgrimes if (CE) 40415645Sjoerg SET(lflag, ECHOE); 40515645Sjoerg else 40615645Sjoerg CLR(lflag, ECHOE); 4071592Srgrimes 4081592Srgrimes if (CK) 40915645Sjoerg SET(lflag, ECHOKE); 41015645Sjoerg else 41115645Sjoerg CLR(lflag, ECHOKE); 4121592Srgrimes 4131592Srgrimes if (PE) 41415645Sjoerg SET(lflag, ECHOPRT); 41515645Sjoerg else 41615645Sjoerg CLR(lflag, ECHOPRT); 4171592Srgrimes 4181592Srgrimes if (EC) 41915645Sjoerg SET(lflag, ECHO); 42015645Sjoerg else 42115645Sjoerg CLR(lflag, ECHO); 4221592Srgrimes 4231592Srgrimes if (XC) 42415645Sjoerg SET(lflag, ECHOCTL); 42515645Sjoerg else 42615645Sjoerg CLR(lflag, ECHOCTL); 4271592Srgrimes 4281592Srgrimes if (DX) 42915645Sjoerg SET(lflag, IXANY); 43015645Sjoerg else 43115645Sjoerg CLR(lflag, IXANY); 4321592Srgrimes 43315645Sjoergout: 43415645Sjoerg tmode.c_iflag = iflag; 43515645Sjoerg tmode.c_oflag = oflag; 43615645Sjoerg tmode.c_cflag = cflag; 43715645Sjoerg tmode.c_lflag = lflag; 4381592Srgrimes} 4391592Srgrimes 44015645Sjoerg#ifdef COMPAT_43 44115645Sjoerg/* 44215645Sjoerg * Old TTY => termios, snatched from <sys/kern/tty_compat.c> 44315645Sjoerg */ 44415645Sjoergvoid 44590301Simpcompatflags(long flags) 44615645Sjoerg{ 44790301Simp 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 61290301Simpdelaybits(void) 6131592Srgrimes{ 61490301Simp 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 62590301Simpadelay(int ms, struct delayval *dp) 6261592Srgrimes{ 6271592Srgrimes if (ms == 0) 6281592Srgrimes return (0); 6291592Srgrimes while (dp->delay && ms > dp->delay) 6301592Srgrimes dp++; 6311592Srgrimes return (dp->bits); 6321592Srgrimes} 63315645Sjoerg#endif 6341592Srgrimes 63515645Sjoergchar editedhost[MAXHOSTNAMELEN]; 6361592Srgrimes 63715645Sjoergvoid 63890301Simpedithost(const char *pat) 6391592Srgrimes{ 64090301Simp const char *host = HN; 64190301Simp char *res = editedhost; 6421592Srgrimes 6431592Srgrimes if (!pat) 6441592Srgrimes pat = ""; 6451592Srgrimes while (*pat) { 6461592Srgrimes switch (*pat) { 6471592Srgrimes 6481592Srgrimes case '#': 6491592Srgrimes if (*host) 6501592Srgrimes host++; 6511592Srgrimes break; 6521592Srgrimes 6531592Srgrimes case '@': 6541592Srgrimes if (*host) 6551592Srgrimes *res++ = *host++; 6561592Srgrimes break; 6571592Srgrimes 6581592Srgrimes default: 6591592Srgrimes *res++ = *pat; 6601592Srgrimes break; 6611592Srgrimes 6621592Srgrimes } 6631592Srgrimes if (res == &editedhost[sizeof editedhost - 1]) { 6641592Srgrimes *res = '\0'; 6651592Srgrimes return; 6661592Srgrimes } 6671592Srgrimes pat++; 6681592Srgrimes } 6691592Srgrimes if (*host) 6701592Srgrimes strncpy(res, host, sizeof editedhost - (res - editedhost) - 1); 6711592Srgrimes else 6721592Srgrimes *res = '\0'; 6731592Srgrimes editedhost[sizeof editedhost - 1] = '\0'; 6741592Srgrimes} 6751592Srgrimes 67615645Sjoergstatic struct speedtab { 6771592Srgrimes int speed; 6781592Srgrimes int uxname; 6791592Srgrimes} speedtab[] = { 68015645Sjoerg { 50, B50 }, 68115645Sjoerg { 75, B75 }, 68215645Sjoerg { 110, B110 }, 68315645Sjoerg { 134, B134 }, 68415645Sjoerg { 150, B150 }, 68515645Sjoerg { 200, B200 }, 68615645Sjoerg { 300, B300 }, 68715645Sjoerg { 600, B600 }, 68815645Sjoerg { 1200, B1200 }, 68915645Sjoerg { 1800, B1800 }, 69015645Sjoerg { 2400, B2400 }, 69115645Sjoerg { 4800, B4800 }, 69215645Sjoerg { 9600, B9600 }, 69315645Sjoerg { 19200, EXTA }, 69415645Sjoerg { 19, EXTA }, /* for people who say 19.2K */ 69515645Sjoerg { 38400, EXTB }, 69615645Sjoerg { 38, EXTB }, 69715645Sjoerg { 7200, EXTB }, /* alternative */ 69815645Sjoerg { 57600, B57600 }, 69915645Sjoerg { 115200, B115200 }, 70037817Sphk { 230400, B230400 }, 70115645Sjoerg { 0 } 7021592Srgrimes}; 7031592Srgrimes 70415645Sjoergint 70590301Simpspeed(int val) 7061592Srgrimes{ 70790301Simp struct speedtab *sp; 7081592Srgrimes 70937817Sphk if (val <= B230400) 7101592Srgrimes return (val); 7111592Srgrimes 7121592Srgrimes for (sp = speedtab; sp->speed; sp++) 7131592Srgrimes if (sp->speed == val) 7141592Srgrimes return (sp->uxname); 7158870Srgrimes 7161592Srgrimes return (B300); /* default in impossible cases */ 7171592Srgrimes} 7181592Srgrimes 71915645Sjoergvoid 72090301Simpmakeenv(char *env[]) 7211592Srgrimes{ 7221592Srgrimes static char termbuf[128] = "TERM="; 72390301Simp char *p, *q; 72490301Simp char **ep; 7251592Srgrimes 7261592Srgrimes ep = env; 7271592Srgrimes if (TT && *TT) { 72875905Skris strlcat(termbuf, TT, sizeof(termbuf)); 7291592Srgrimes *ep++ = termbuf; 7301592Srgrimes } 73115645Sjoerg if ((p = EV)) { 7321592Srgrimes q = p; 73315645Sjoerg while ((q = strchr(q, ','))) { 7341592Srgrimes *q++ = '\0'; 7351592Srgrimes *ep++ = p; 7361592Srgrimes p = q; 7371592Srgrimes } 7381592Srgrimes if (*p) 7391592Srgrimes *ep++ = p; 7401592Srgrimes } 7411592Srgrimes *ep = (char *)0; 7421592Srgrimes} 7431592Srgrimes 7441592Srgrimes/* 7451592Srgrimes * This speed select mechanism is written for the Develcon DATASWITCH. 7461592Srgrimes * The Develcon sends a string of the form "B{speed}\n" at a predefined 7471592Srgrimes * baud rate. This string indicates the user's actual speed. 7481592Srgrimes * The routine below returns the terminal type mapped from derived speed. 7491592Srgrimes */ 7501592Srgrimesstruct portselect { 75115645Sjoerg const char *ps_baud; 75215645Sjoerg const char *ps_type; 7531592Srgrimes} portspeeds[] = { 7541592Srgrimes { "B110", "std.110" }, 7551592Srgrimes { "B134", "std.134" }, 7561592Srgrimes { "B150", "std.150" }, 7571592Srgrimes { "B300", "std.300" }, 7581592Srgrimes { "B600", "std.600" }, 7591592Srgrimes { "B1200", "std.1200" }, 7601592Srgrimes { "B2400", "std.2400" }, 7611592Srgrimes { "B4800", "std.4800" }, 7621592Srgrimes { "B9600", "std.9600" }, 7631592Srgrimes { "B19200", "std.19200" }, 7641592Srgrimes { 0 } 7651592Srgrimes}; 7661592Srgrimes 76715645Sjoergconst char * 76890301Simpportselector(void) 7691592Srgrimes{ 77015645Sjoerg char c, baud[20]; 77115645Sjoerg const char *type = "default"; 77290301Simp struct portselect *ps; 7731592Srgrimes int len; 7741592Srgrimes 7751592Srgrimes alarm(5*60); 7761592Srgrimes for (len = 0; len < sizeof (baud) - 1; len++) { 7771592Srgrimes if (read(STDIN_FILENO, &c, 1) <= 0) 7781592Srgrimes break; 7791592Srgrimes c &= 0177; 7801592Srgrimes if (c == '\n' || c == '\r') 7811592Srgrimes break; 7821592Srgrimes if (c == 'B') 7831592Srgrimes len = 0; /* in case of leading garbage */ 7841592Srgrimes baud[len] = c; 7851592Srgrimes } 7861592Srgrimes baud[len] = '\0'; 7871592Srgrimes for (ps = portspeeds; ps->ps_baud; ps++) 7881592Srgrimes if (strcmp(ps->ps_baud, baud) == 0) { 7891592Srgrimes type = ps->ps_type; 7901592Srgrimes break; 7911592Srgrimes } 7921592Srgrimes sleep(2); /* wait for connection to complete */ 7931592Srgrimes return (type); 7941592Srgrimes} 7951592Srgrimes 7961592Srgrimes/* 7971592Srgrimes * This auto-baud speed select mechanism is written for the Micom 600 7981592Srgrimes * portselector. Selection is done by looking at how the character '\r' 7991592Srgrimes * is garbled at the different speeds. 8001592Srgrimes */ 80115645Sjoergconst char * 80290301Simpautobaud(void) 8031592Srgrimes{ 8041592Srgrimes int rfds; 8051592Srgrimes struct timeval timeout; 80615645Sjoerg char c; 80715645Sjoerg const char *type = "9600-baud"; 8081592Srgrimes 80915645Sjoerg (void)tcflush(0, TCIOFLUSH); 8101592Srgrimes rfds = 1 << 0; 8111592Srgrimes timeout.tv_sec = 5; 8121592Srgrimes timeout.tv_usec = 0; 8131592Srgrimes if (select(32, (fd_set *)&rfds, (fd_set *)NULL, 8141592Srgrimes (fd_set *)NULL, &timeout) <= 0) 8151592Srgrimes return (type); 8161592Srgrimes if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char)) 8171592Srgrimes return (type); 8181592Srgrimes timeout.tv_sec = 0; 8191592Srgrimes timeout.tv_usec = 20; 8201592Srgrimes (void) select(32, (fd_set *)NULL, (fd_set *)NULL, 8211592Srgrimes (fd_set *)NULL, &timeout); 82215645Sjoerg (void)tcflush(0, TCIOFLUSH); 8231592Srgrimes switch (c & 0377) { 8241592Srgrimes 8251592Srgrimes case 0200: /* 300-baud */ 8261592Srgrimes type = "300-baud"; 8271592Srgrimes break; 8281592Srgrimes 8291592Srgrimes case 0346: /* 1200-baud */ 8301592Srgrimes type = "1200-baud"; 8311592Srgrimes break; 8321592Srgrimes 8331592Srgrimes case 015: /* 2400-baud */ 8341592Srgrimes case 0215: 8351592Srgrimes type = "2400-baud"; 8361592Srgrimes break; 8371592Srgrimes 8381592Srgrimes default: /* 4800-baud */ 8391592Srgrimes type = "4800-baud"; 8401592Srgrimes break; 8411592Srgrimes 8421592Srgrimes case 0377: /* 9600-baud */ 8431592Srgrimes type = "9600-baud"; 8441592Srgrimes break; 8451592Srgrimes } 8461592Srgrimes return (type); 8471592Srgrimes} 848