summaryrefslogtreecommitdiff
path: root/libexec/getty/subr.c
diff options
context:
space:
mode:
Diffstat (limited to 'libexec/getty/subr.c')
-rw-r--r--libexec/getty/subr.c726
1 files changed, 0 insertions, 726 deletions
diff --git a/libexec/getty/subr.c b/libexec/getty/subr.c
deleted file mode 100644
index 8c55e37dc4f7..000000000000
--- a/libexec/getty/subr.c
+++ /dev/null
@@ -1,726 +0,0 @@
-/*
- * Copyright (c) 1983, 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#ifndef lint
-/*static char sccsid[] = "from: @(#)subr.c 8.1 (Berkeley) 6/4/93";*/
-static char rcsid[] = "$Id: subr.c,v 1.18 1995/10/05 08:51:31 mycroft Exp $";
-#endif /* not lint */
-
-/*
- * Melbourne getty.
- */
-#define COMPAT_43
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-
-#include "gettytab.h"
-#include "pathnames.h"
-#include "extern.h"
-
-extern struct termios tmode, omode;
-
-static void compatflags __P((long));
-
-/*
- * Get a table entry.
- */
-void
-gettable(name, buf)
- char *name, *buf;
-{
- register struct gettystrs *sp;
- register struct gettynums *np;
- register struct gettyflags *fp;
- long n;
- char *dba[2];
- dba[0] = _PATH_GETTYTAB;
- dba[1] = 0;
-
- if (cgetent(&buf, dba, name) != 0)
- return;
-
- for (sp = gettystrs; sp->field; sp++)
- cgetstr(buf, sp->field, &sp->value);
- for (np = gettynums; np->field; np++) {
- if (cgetnum(buf, np->field, &n) == -1)
- np->set = 0;
- else {
- np->set = 1;
- np->value = n;
- }
- }
- for (fp = gettyflags; fp->field; fp++) {
- if (cgetcap(buf, fp->field, ':') == NULL)
- fp->set = 0;
- else {
- fp->set = 1;
- fp->value = 1 ^ fp->invrt;
- }
- }
-#ifdef DEBUG
- printf("name=\"%s\", buf=\"%s\"\n", name, buf);
- for (sp = gettystrs; sp->field; sp++)
- printf("cgetstr: %s=%s\n", sp->field, sp->value);
- for (np = gettynums; np->field; np++)
- printf("cgetnum: %s=%d\n", np->field, np->value);
- for (fp = gettyflags; fp->field; fp++)
- printf("cgetflags: %s='%c' set='%c'\n", fp->field,
- fp->value + '0', fp->set + '0');
- exit(1);
-#endif /* DEBUG */
-}
-
-void
-gendefaults()
-{
- register struct gettystrs *sp;
- register struct gettynums *np;
- register struct gettyflags *fp;
-
- for (sp = gettystrs; sp->field; sp++)
- if (sp->value)
- sp->defalt = sp->value;
- for (np = gettynums; np->field; np++)
- if (np->set)
- np->defalt = np->value;
- for (fp = gettyflags; fp->field; fp++)
- if (fp->set)
- fp->defalt = fp->value;
- else
- fp->defalt = fp->invrt;
-}
-
-void
-setdefaults()
-{
- register struct gettystrs *sp;
- register struct gettynums *np;
- register struct gettyflags *fp;
-
- for (sp = gettystrs; sp->field; sp++)
- if (!sp->value)
- sp->value = sp->defalt;
- for (np = gettynums; np->field; np++)
- if (!np->set)
- np->value = np->defalt;
- for (fp = gettyflags; fp->field; fp++)
- if (!fp->set)
- fp->value = fp->defalt;
-}
-
-static char **
-charnames[] = {
- &ER, &KL, &IN, &QU, &XN, &XF, &ET, &BK,
- &SU, &DS, &RP, &FL, &WE, &LN, 0
-};
-
-static char *
-charvars[] = {
- &tmode.c_cc[VERASE], &tmode.c_cc[VKILL], &tmode.c_cc[VINTR],
- &tmode.c_cc[VQUIT], &tmode.c_cc[VSTART], &tmode.c_cc[VSTOP],
- &tmode.c_cc[VEOF], &tmode.c_cc[VEOL], &tmode.c_cc[VSUSP],
- &tmode.c_cc[VDSUSP], &tmode.c_cc[VREPRINT], &tmode.c_cc[VDISCARD],
- &tmode.c_cc[VWERASE], &tmode.c_cc[VLNEXT], 0
-};
-
-void
-setchars()
-{
- register int i;
- register char *p;
-
- for (i = 0; charnames[i]; i++) {
- p = *charnames[i];
- if (p && *p)
- *charvars[i] = *p;
- else
- *charvars[i] = _POSIX_VDISABLE;
- }
-}
-
-/* Macros to clear/set/test flags. */
-#define SET(t, f) (t) |= (f)
-#define CLR(t, f) (t) &= ~(f)
-#define ISSET(t, f) ((t) & (f))
-
-void
-setflags(n)
- int n;
-{
- register tcflag_t iflag, oflag, cflag, lflag;
-
-#ifdef COMPAT_43
- switch (n) {
- case 0:
- if (F0set) {
- compatflags(F0);
- return;
- }
- break;
- case 1:
- if (F1set) {
- compatflags(F1);
- return;
- }
- break;
- default:
- if (F2set) {
- compatflags(F2);
- return;
- }
- break;
- }
-#endif
-
- switch (n) {
- case 0:
- if (C0set && I0set && L0set && O0set) {
- tmode.c_cflag = C0;
- tmode.c_iflag = I0;
- tmode.c_lflag = L0;
- tmode.c_oflag = O0;
- return;
- }
- break;
- case 1:
- if (C1set && I1set && L1set && O1set) {
- tmode.c_cflag = C1;
- tmode.c_iflag = I1;
- tmode.c_lflag = L1;
- tmode.c_oflag = O1;
- return;
- }
- break;
- default:
- if (C2set && I2set && L2set && O2set) {
- tmode.c_cflag = C2;
- tmode.c_iflag = I2;
- tmode.c_lflag = L2;
- tmode.c_oflag = O2;
- return;
- }
- break;
- }
-
- iflag = omode.c_iflag;
- oflag = omode.c_oflag;
- cflag = omode.c_cflag;
- lflag = omode.c_lflag;
-
- if (NP) {
- CLR(cflag, CSIZE|PARENB);
- SET(cflag, CS8);
- CLR(iflag, ISTRIP|INPCK|IGNPAR);
- } else if (AP || EP || OP) {
- CLR(cflag, CSIZE);
- SET(cflag, CS7|PARENB);
- SET(iflag, ISTRIP);
- if (OP && !EP) {
- SET(iflag, INPCK|IGNPAR);
- SET(cflag, PARODD);
- if (AP)
- CLR(iflag, INPCK);
- } else if (EP && !OP) {
- SET(iflag, INPCK|IGNPAR);
- CLR(cflag, PARODD);
- if (AP)
- CLR(iflag, INPCK);
- } else if (AP || EP && OP) {
- CLR(iflag, INPCK|IGNPAR);
- CLR(cflag, PARODD);
- }
- } /* else, leave as is */
-
-#if 0
- if (UC)
- f |= LCASE;
-#endif
-
- if (HC)
- SET(cflag, HUPCL);
- else
- CLR(cflag, HUPCL);
-
- if (MB)
- SET(cflag, MDMBUF);
- else
- CLR(cflag, MDMBUF);
-
- if (NL) {
- SET(iflag, ICRNL);
- SET(oflag, ONLCR|OPOST);
- } else {
- CLR(iflag, ICRNL);
- CLR(oflag, ONLCR);
- }
-
- if (!HT)
- SET(oflag, OXTABS|OPOST);
- else
- CLR(oflag, OXTABS);
-
-#ifdef XXX_DELAY
- SET(f, delaybits());
-#endif
-
- if (n == 1) { /* read mode flags */
- if (RW) {
- iflag = 0;
- CLR(oflag, OPOST);
- CLR(cflag, CSIZE|PARENB);
- SET(cflag, CS8);
- lflag = 0;
- } else {
- CLR(lflag, ICANON);
- }
- goto out;
- }
-
- if (n == 0)
- goto out;
-
-#if 0
- if (CB)
- SET(f, CRTBS);
-#endif
-
- if (CE)
- SET(lflag, ECHOE);
- else
- CLR(lflag, ECHOE);
-
- if (CK)
- SET(lflag, ECHOKE);
- else
- CLR(lflag, ECHOKE);
-
- if (PE)
- SET(lflag, ECHOPRT);
- else
- CLR(lflag, ECHOPRT);
-
- if (EC)
- SET(lflag, ECHO);
- else
- CLR(lflag, ECHO);
-
- if (XC)
- SET(lflag, ECHOCTL);
- else
- CLR(lflag, ECHOCTL);
-
- if (DX)
- SET(lflag, IXANY);
- else
- CLR(lflag, IXANY);
-
-out:
- tmode.c_iflag = iflag;
- tmode.c_oflag = oflag;
- tmode.c_cflag = cflag;
- tmode.c_lflag = lflag;
-}
-
-#ifdef COMPAT_43
-/*
- * Old TTY => termios, snatched from <sys/kern/tty_compat.c>
- */
-void
-compatflags(flags)
-register long flags;
-{
- register tcflag_t iflag, oflag, cflag, lflag;
-
- iflag = BRKINT|ICRNL|IMAXBEL|IXON|IXANY;
- oflag = OPOST|ONLCR|OXTABS;
- cflag = CREAD;
- lflag = ICANON|ISIG|IEXTEN;
-
- 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;
- }
- }
-
- /* 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);
- }
-
- tmode.c_iflag = iflag;
- tmode.c_oflag = oflag;
- tmode.c_cflag = cflag;
- tmode.c_lflag = lflag;
-}
-#endif
-
-#ifdef XXX_DELAY
-struct delayval {
- unsigned delay; /* delay in ms */
- int bits;
-};
-
-/*
- * below are random guesses, I can't be bothered checking
- */
-
-struct delayval crdelay[] = {
- { 1, CR1 },
- { 2, CR2 },
- { 3, CR3 },
- { 83, CR1 },
- { 166, CR2 },
- { 0, CR3 },
-};
-
-struct delayval nldelay[] = {
- { 1, NL1 }, /* special, calculated */
- { 2, NL2 },
- { 3, NL3 },
- { 100, NL2 },
- { 0, NL3 },
-};
-
-struct delayval bsdelay[] = {
- { 1, BS1 },
- { 0, 0 },
-};
-
-struct delayval ffdelay[] = {
- { 1, FF1 },
- { 1750, FF1 },
- { 0, FF1 },
-};
-
-struct delayval tbdelay[] = {
- { 1, TAB1 },
- { 2, TAB2 },
- { 3, XTABS }, /* this is expand tabs */
- { 100, TAB1 },
- { 0, TAB2 },
-};
-
-int
-delaybits()
-{
- register int f;
-
- f = adelay(CD, crdelay);
- f |= adelay(ND, nldelay);
- f |= adelay(FD, ffdelay);
- f |= adelay(TD, tbdelay);
- f |= adelay(BD, bsdelay);
- return (f);
-}
-
-int
-adelay(ms, dp)
- register ms;
- register struct delayval *dp;
-{
- if (ms == 0)
- return (0);
- while (dp->delay && ms > dp->delay)
- dp++;
- return (dp->bits);
-}
-#endif
-
-char editedhost[32];
-
-void
-edithost(pat)
- register char *pat;
-{
- register char *host = HN;
- register char *res = editedhost;
-
- if (!pat)
- pat = "";
- while (*pat) {
- switch (*pat) {
-
- case '#':
- if (*host)
- host++;
- break;
-
- case '@':
- if (*host)
- *res++ = *host++;
- break;
-
- default:
- *res++ = *pat;
- break;
-
- }
- if (res == &editedhost[sizeof editedhost - 1]) {
- *res = '\0';
- return;
- }
- pat++;
- }
- if (*host)
- strncpy(res, host, sizeof editedhost - (res - editedhost) - 1);
- else
- *res = '\0';
- editedhost[sizeof editedhost - 1] = '\0';
-}
-
-void
-makeenv(env)
- char *env[];
-{
- static char termbuf[128] = "TERM=";
- register char *p, *q;
- register char **ep;
-
- ep = env;
- if (TT && *TT) {
- strcat(termbuf, TT);
- *ep++ = termbuf;
- }
- if (p = EV) {
- q = p;
- while (q = strchr(q, ',')) {
- *q++ = '\0';
- *ep++ = p;
- p = q;
- }
- if (*p)
- *ep++ = p;
- }
- *ep = (char *)0;
-}
-
-/*
- * This speed select mechanism is written for the Develcon DATASWITCH.
- * The Develcon sends a string of the form "B{speed}\n" at a predefined
- * baud rate. This string indicates the user's actual speed.
- * The routine below returns the terminal type mapped from derived speed.
- */
-struct portselect {
- char *ps_baud;
- char *ps_type;
-} portspeeds[] = {
- { "B110", "std.110" },
- { "B134", "std.134" },
- { "B150", "std.150" },
- { "B300", "std.300" },
- { "B600", "std.600" },
- { "B1200", "std.1200" },
- { "B2400", "std.2400" },
- { "B4800", "std.4800" },
- { "B9600", "std.9600" },
- { "B19200", "std.19200" },
- { 0 }
-};
-
-char *
-portselector()
-{
- char c, baud[20], *type = "default";
- register struct portselect *ps;
- int len;
-
- alarm(5*60);
- for (len = 0; len < sizeof (baud) - 1; len++) {
- if (read(STDIN_FILENO, &c, 1) <= 0)
- break;
- c &= 0177;
- if (c == '\n' || c == '\r')
- break;
- if (c == 'B')
- len = 0; /* in case of leading garbage */
- baud[len] = c;
- }
- baud[len] = '\0';
- for (ps = portspeeds; ps->ps_baud; ps++)
- if (strcmp(ps->ps_baud, baud) == 0) {
- type = ps->ps_type;
- break;
- }
- sleep(2); /* wait for connection to complete */
- return (type);
-}
-
-/*
- * This auto-baud speed select mechanism is written for the Micom 600
- * portselector. Selection is done by looking at how the character '\r'
- * is garbled at the different speeds.
- */
-#include <sys/time.h>
-
-char *
-autobaud()
-{
- int rfds;
- struct timeval timeout;
- char c, *type = "9600-baud";
-
- (void)tcflush(0, TCIOFLUSH);
- rfds = 1 << 0;
- timeout.tv_sec = 5;
- timeout.tv_usec = 0;
- if (select(32, (fd_set *)&rfds, (fd_set *)NULL,
- (fd_set *)NULL, &timeout) <= 0)
- return (type);
- if (read(STDIN_FILENO, &c, sizeof(char)) != sizeof(char))
- return (type);
- timeout.tv_sec = 0;
- timeout.tv_usec = 20;
- (void) select(32, (fd_set *)NULL, (fd_set *)NULL,
- (fd_set *)NULL, &timeout);
- (void)tcflush(0, TCIOFLUSH);
- switch (c & 0377) {
-
- case 0200: /* 300-baud */
- type = "300-baud";
- break;
-
- case 0346: /* 1200-baud */
- type = "1200-baud";
- break;
-
- case 015: /* 2400-baud */
- case 0215:
- type = "2400-baud";
- break;
-
- default: /* 4800-baud */
- type = "4800-baud";
- break;
-
- case 0377: /* 9600-baud */
- type = "9600-baud";
- break;
- }
- return (type);
-}
generated by cgit v1.3 (git 2.53.0) at 2026-07-25 10:55:10 +0000