telnet/telnetd/sys_term.c

83 struct termbuf {
89 } termbuf, termbuf2;
125 struct termios termbuf, termbuf2;	/* pty control structure */
140  * These three routines are used to get and set the "termbuf" structure
142  * copy_termbuf() hands in a new "termbuf" to write to the kernel, and
150 	(void) ioctl(pty, TIOCGETP, (char *)&termbuf.sg);
151 	(void) ioctl(pty, TIOCGETC, (char *)&termbuf.tc);
152 	(void) ioctl(pty, TIOCGLTC, (char *)&termbuf.ltc);
154 	(void) ioctl(pty, TIOCGSTATE, (char *)&termbuf.state);
157 	(void) tcgetattr(pty, &termbuf);
159 	termbuf2 = termbuf;
166 	if (len > sizeof(termbuf))
167 		len = sizeof(termbuf);
168 	memmove((char *)&termbuf, cp, len);
169 	termbuf2 = termbuf;
180 	if (memcmp((char *)&termbuf.sg, (char *)&termbuf2.sg,
181 							sizeof(termbuf.sg)))
182 		(void) ioctl(pty, TIOCSETN, (char *)&termbuf.sg);
183 	if (memcmp((char *)&termbuf.tc, (char *)&termbuf2.tc,
184 							sizeof(termbuf.tc)))
185 		(void) ioctl(pty, TIOCSETC, (char *)&termbuf.tc);
186 	if (memcmp((char *)&termbuf.ltc, (char *)&termbuf2.ltc,
187 							sizeof(termbuf.ltc)))
188 		(void) ioctl(pty, TIOCSLTC, (char *)&termbuf.ltc);
189 	if (termbuf.lflags != termbuf2.lflags)
190 		(void) ioctl(pty, TIOCLSET, (char *)&termbuf.lflags);
192 	if (memcmp((char *)&termbuf, (char *)&termbuf2, sizeof(termbuf)))
193 		(void) tcsetattr(pty, TCSANOW, &termbuf);
203  * *valpp to point to where in the "termbuf" structure that
215 		*valp = termbuf.tc.t_eofc;
216 		*valpp = (cc_t *)&termbuf.tc.t_eofc;
219 		*valp = termbuf.sg.sg_erase;
220 		*valpp = (cc_t *)&termbuf.sg.sg_erase;
223 		*valp = termbuf.sg.sg_kill;
224 		*valpp = (cc_t *)&termbuf.sg.sg_kill;
227 		*valp = termbuf.tc.t_intrc;
228 		*valpp = (cc_t *)&termbuf.tc.t_intrc;
231 		*valp = termbuf.tc.t_quitc;
232 		*valpp = (cc_t *)&termbuf.tc.t_quitc;
235 		*valp = termbuf.tc.t_startc;
236 		*valpp = (cc_t *)&termbuf.tc.t_startc;
239 		*valp = termbuf.tc.t_stopc;
240 		*valpp = (cc_t *)&termbuf.tc.t_stopc;
243 		*valp = termbuf.ltc.t_flushc;
244 		*valpp = (cc_t *)&termbuf.ltc.t_flushc;
247 		*valp = termbuf.ltc.t_suspc;
248 		*valpp = (cc_t *)&termbuf.ltc.t_suspc;
251 		*valp = termbuf.ltc.t_werasc;
252 		*valpp = (cc_t *)&termbuf.ltc.t_werasc;
255 		*valp = termbuf.ltc.t_rprntc;
256 		*valpp = (cc_t *)&termbuf.ltc.t_rprntc;
259 		*valp = termbuf.ltc.t_lnextc;
260 		*valpp = (cc_t *)&termbuf.ltc.t_lnextc;
263 		*valp = termbuf.tc.t_brkc;
264 		*valpp = (cc_t *)&termbuf.ltc.t_lnextc;
283 #define	setval(a, b)	*valp = termbuf.c_cc[a]; \
284 			*valpp = &termbuf.c_cc[a]; \
438 	return(termbuf.state & TS_EXTPROC);
440 	return(termbuf.c_lflag & EXTPROC);
454 		termbuf.c_lflag |= EXTPROC;
456 		termbuf.c_lflag &= ~EXTPROC;
466 	return (termbuf.sg.sg_flags & ECHO);
468 	return (termbuf.c_lflag & ECHO);
476 	return(((termbuf.tc.t_startc) > 0 && (termbuf.tc.t_stopc) > 0) ? 1 : 0);
478 	return((termbuf.c_iflag & IXON) ? 1 : 0);
487 	return((termbuf.lflags & DECCTQ) ? 0 : 1);
492 	return((termbuf.c_iflag & IXANY) ? 1 : 0);
501 		termbuf.sg.sg_flags |= ECHO|CRMOD;
503 		termbuf.sg.sg_flags &= ~(ECHO|CRMOD);
506 		termbuf.c_lflag |= ECHO;
508 		termbuf.c_lflag &= ~ECHO;
516 	return(termbuf.sg.sg_flags & RAW);
518 	return(!(termbuf.c_lflag & ICANON));
529 		termbuf.sg.sg_flags |= RAW;
531 		termbuf.sg.sg_flags &= ~RAW;
534 		termbuf.c_lflag &= ~ICANON;
536 		termbuf.c_lflag |= ICANON;
547 		termbuf.lflags |= LPASS8;
549 		termbuf.lflags &= ~LPASS8;
552 		termbuf.c_iflag &= ~ISTRIP;
554 		termbuf.c_iflag |= ISTRIP;
564 		termbuf.lflags |= LLITOUT;
566 		termbuf.lflags &= ~LLITOUT;
569 		termbuf.c_cflag &= ~(CSIZE|PARENB);
570 		termbuf.c_cflag |= CS8;
571 		termbuf.c_oflag &= ~OPOST;
573 		termbuf.c_cflag &= ~CSIZE;
574 		termbuf.c_cflag |= CS7|PARENB;
575 		termbuf.c_oflag |= OPOST;
584 	return(termbuf.lflags & LPASS8);
586 	return(!(termbuf.c_iflag & ISTRIP));
594 	return(termbuf.lflags & LLITOUT);
596 	return(!(termbuf.c_oflag&OPOST));
605 	return(!(termbuf.sg.sg_flags & (CBREAK|RAW)));
607 	return(termbuf.c_lflag & ICANON);
615 	return(!(termbuf.sg.sg_flags&RAW));
617 	return(termbuf.c_lflag & ISIG);
626 		termbuf.sg.sg_flags &= ~CBREAK;
628 		termbuf.sg.sg_flags |= CBREAK;
631 		termbuf.c_lflag |= ICANON;
633 		termbuf.c_lflag &= ~ICANON;
645 		termbuf.c_lflag |= ISIG;
647 		termbuf.c_lflag &= ~ISIG;
656 	return (termbuf.sg.sg_flags & XTABS);
659 	return (termbuf.c_oflag & OXTABS);
662 	return ((termbuf.c_oflag & TABDLY) == TAB3);
672 		termbuf.sg.sg_flags |= XTABS;
674 		termbuf.sg.sg_flags &= ~XTABS;
678 		termbuf.c_oflag |= OXTABS;
681 		termbuf.c_oflag &= ~TABDLY;
682 		termbuf.c_oflag |= TAB3;
686 		termbuf.c_oflag &= ~OXTABS;
689 		termbuf.c_oflag &= ~TABDLY;
690 		termbuf.c_oflag |= TAB0;
700 	return (!(termbuf.lflags & LCTLECH));
703 	return (!(termbuf.c_lflag & ECHOCTL));
706 	return (!(termbuf.c_lflag & TCTLECH));
719 		termbuf.lflags &= ~LCTLECH;
721 		termbuf.lflags |= LCTLECH;
725 		termbuf.c_lflag &= ~ECHOCTL;
727 		termbuf.c_lflag |= ECHOCTL;
731 		termbuf.c_lflag &= ~TCTLECH;
733 		termbuf.c_lflag |= TCTLECH;
742 	return (termbuf.sg.sg_flags & CRMOD);
744 	return (termbuf.c_iflag & ICRNL);
758 	cfsetospeed(&termbuf, tp->value);
760 	cfsetospeed(&termbuf, val);
774 	cfsetispeed(&termbuf, tp->value);
776 	cfsetispeed(&termbuf, val);
812 	erase = termbuf.c_cc[VERASE];
848 	termbuf.sg.sg_flags |= CRMOD|ANYP|ECHO|XTABS;
859 		termbuf.c_cc[VERASE] = erase;