diff options
Diffstat (limited to 'libexec/getty/subr.c')
| -rw-r--r-- | libexec/getty/subr.c | 383 |
1 files changed, 289 insertions, 94 deletions
diff --git a/libexec/getty/subr.c b/libexec/getty/subr.c index 4a2abb3..8c55e37 100644 --- a/libexec/getty/subr.c +++ b/libexec/getty/subr.c @@ -32,25 +32,27 @@ */ #ifndef lint -static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/4/93"; +/*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 USE_OLD_TTY +#define COMPAT_43 #include <stdlib.h> -#include <sgtty.h> -#include <string.h> #include <unistd.h> +#include <string.h> +#include <termios.h> +#include <sys/ioctl.h> #include "gettytab.h" -#include "extern.h" #include "pathnames.h" +#include "extern.h" + +extern struct termios tmode, omode; -extern struct sgttyb tmode; -extern struct tchars tc; -extern struct ltchars ltc; +static void compatflags __P((long)); /* * Get a table entry. @@ -70,7 +72,7 @@ gettable(name, buf) if (cgetent(&buf, dba, name) != 0) return; - for (sp = gettystrs; sp->field; sp++) + 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) @@ -147,11 +149,11 @@ charnames[] = { static char * charvars[] = { - &tmode.sg_erase, &tmode.sg_kill, &tc.t_intrc, - &tc.t_quitc, &tc.t_startc, &tc.t_stopc, - &tc.t_eofc, &tc.t_brkc, <c.t_suspc, - <c.t_dsuspc, <c.t_rprntc, <c.t_flushc, - <c.t_werasc, <c.t_lnextc, 0 + &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 @@ -165,86 +167,320 @@ setchars() if (p && *p) *charvars[i] = *p; else - *charvars[i] = '\377'; + *charvars[i] = _POSIX_VDISABLE; } } -long +/* 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 long f; + register tcflag_t iflag, oflag, cflag, lflag; +#ifdef COMPAT_43 switch (n) { case 0: - if (F0set) - return(F0); + if (F0set) { + compatflags(F0); + return; + } break; case 1: - if (F1set) - return(F1); + if (F1set) { + compatflags(F1); + return; + } break; default: - if (F2set) - return(F2); + if (F2set) { + compatflags(F2); + return; + } break; } +#endif - f = 0; + 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; + } - if (AP) - f |= ANYP; - else if (OP) - f |= ODDP; - else if (EP) - f |= EVENP; + 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 (NL) - f |= CRMOD; - - f |= delaybits(); + if (HC) + SET(cflag, HUPCL); + else + CLR(cflag, HUPCL); - if (n == 1) { /* read mode flags */ - if (RW) - f |= RAW; - else - f |= CBREAK; - return (f); + 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) - f |= XTABS; + 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) - return (f); + goto out; +#if 0 if (CB) - f |= CRTBS; + SET(f, CRTBS); +#endif if (CE) - f |= CRTERA; + SET(lflag, ECHOE); + else + CLR(lflag, ECHOE); if (CK) - f |= CRTKIL; + SET(lflag, ECHOKE); + else + CLR(lflag, ECHOKE); if (PE) - f |= PRTERA; + SET(lflag, ECHOPRT); + else + CLR(lflag, ECHOPRT); if (EC) - f |= ECHO; + SET(lflag, ECHO); + else + CLR(lflag, ECHO); if (XC) - f |= CTLECH; + SET(lflag, ECHOCTL); + else + CLR(lflag, ECHOCTL); if (DX) - f |= DECCTQ; + SET(lflag, IXANY); + else + CLR(lflag, IXANY); - return (f); +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; @@ -314,6 +550,7 @@ adelay(ms, dp) dp++; return (dp->bits); } +#endif char editedhost[32]; @@ -357,47 +594,6 @@ edithost(pat) editedhost[sizeof editedhost - 1] = '\0'; } -struct speedtab { - int speed; - int uxname; -} speedtab[] = { - { 50, B50 }, - { 75, B75 }, - { 110, B110 }, - { 134, B134 }, - { 150, B150 }, - { 200, B200 }, - { 300, B300 }, - { 600, B600 }, - { 1200, B1200 }, - { 1800, B1800 }, - { 2400, B2400 }, - { 4800, B4800 }, - { 9600, B9600 }, - { 19200, EXTA }, - { 19, EXTA }, /* for people who say 19.2K */ - { 38400, EXTB }, - { 38, EXTB }, - { 7200, EXTB }, /* alternative */ - { 0 } -}; - -int -speed(val) - int val; -{ - register struct speedtab *sp; - - if (val <= 15) - return (val); - - for (sp = speedtab; sp->speed; sp++) - if (sp->speed == val) - return (sp->uxname); - - return (B300); /* default in impossible cases */ -} - void makeenv(env) char *env[]; @@ -488,9 +684,8 @@ autobaud() int rfds; struct timeval timeout; char c, *type = "9600-baud"; - int null = 0; - ioctl(0, TIOCFLUSH, &null); + (void)tcflush(0, TCIOFLUSH); rfds = 1 << 0; timeout.tv_sec = 5; timeout.tv_usec = 0; @@ -503,7 +698,7 @@ autobaud() timeout.tv_usec = 20; (void) select(32, (fd_set *)NULL, (fd_set *)NULL, (fd_set *)NULL, &timeout); - ioctl(0, TIOCFLUSH, &null); + (void)tcflush(0, TCIOFLUSH); switch (c & 0377) { case 0200: /* 300-baud */ |
