xref: /illumos-gate/usr/src/cmd/tip/aculib/dn11.c (revision 8d489c7a)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
37c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
47c478bd9Sstevel@tonic-gate  */
5*8d489c7aSmuffin 
67c478bd9Sstevel@tonic-gate /*
77c478bd9Sstevel@tonic-gate  * Copyright (c) 1983 Regents of the University of California.
87c478bd9Sstevel@tonic-gate  * All rights reserved. The Berkeley software License Agreement
97c478bd9Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
107c478bd9Sstevel@tonic-gate  */
11*8d489c7aSmuffin 
12*8d489c7aSmuffin #pragma ident	"%Z%%M%	%I%	%E% SMI"
137c478bd9Sstevel@tonic-gate 
147c478bd9Sstevel@tonic-gate /*
157c478bd9Sstevel@tonic-gate  * Routines for dialing up on DN-11
167c478bd9Sstevel@tonic-gate  */
177c478bd9Sstevel@tonic-gate #include "tip.h"
187c478bd9Sstevel@tonic-gate 
19*8d489c7aSmuffin void	alarmtr(void);
20*8d489c7aSmuffin 
21*8d489c7aSmuffin static sigjmp_buf	jmpbuf;
22*8d489c7aSmuffin static int	child = -1, dn;
237c478bd9Sstevel@tonic-gate 
24*8d489c7aSmuffin int
dn_dialer(char * num,char * acu)25*8d489c7aSmuffin dn_dialer(char *num, char *acu)
267c478bd9Sstevel@tonic-gate {
27*8d489c7aSmuffin 	int lt, nw;
28*8d489c7aSmuffin 	int timelim;
297c478bd9Sstevel@tonic-gate 	struct termios buf;
307c478bd9Sstevel@tonic-gate 
317c478bd9Sstevel@tonic-gate 	if (boolean(value(VERBOSE)))
32*8d489c7aSmuffin 		(void) printf("\nstarting call...");
337c478bd9Sstevel@tonic-gate 	if ((dn = open(acu, 1)) < 0) {
347c478bd9Sstevel@tonic-gate 		if (errno == EBUSY)
35*8d489c7aSmuffin 			(void) printf("line busy...");
367c478bd9Sstevel@tonic-gate 		else
37*8d489c7aSmuffin 			(void) printf("acu open error...");
387c478bd9Sstevel@tonic-gate 		return (0);
397c478bd9Sstevel@tonic-gate 	}
407c478bd9Sstevel@tonic-gate 	if (sigsetjmp(jmpbuf, 1)) {
41*8d489c7aSmuffin 		(void) kill(child, SIGKILL);
42*8d489c7aSmuffin 		(void) close(dn);
437c478bd9Sstevel@tonic-gate 		return (0);
447c478bd9Sstevel@tonic-gate 	}
45*8d489c7aSmuffin 	(void) signal(SIGALRM, (sig_handler_t)alarmtr);
467c478bd9Sstevel@tonic-gate 	timelim = 5 * strlen(num);
47*8d489c7aSmuffin 	(void) alarm(timelim < 30 ? 30 : timelim);
487c478bd9Sstevel@tonic-gate 	if ((child = fork()) == 0) {
497c478bd9Sstevel@tonic-gate 		/*
507c478bd9Sstevel@tonic-gate 		 * ignore this stuff for aborts
517c478bd9Sstevel@tonic-gate 		 */
52*8d489c7aSmuffin 		(void) signal(SIGALRM, SIG_IGN);
53*8d489c7aSmuffin 		(void) signal(SIGINT, SIG_IGN);
54*8d489c7aSmuffin 		(void) signal(SIGQUIT, SIG_IGN);
55*8d489c7aSmuffin 		(void) sleep(2);
567c478bd9Sstevel@tonic-gate 		nw = write(dn, num, lt = strlen(num));
577c478bd9Sstevel@tonic-gate 		exit(nw != lt);
587c478bd9Sstevel@tonic-gate 	}
597c478bd9Sstevel@tonic-gate 	/*
607c478bd9Sstevel@tonic-gate 	 * open line - will return on carrier
617c478bd9Sstevel@tonic-gate 	 */
627c478bd9Sstevel@tonic-gate 	if ((FD = open(DV, 2)) < 0) {
637c478bd9Sstevel@tonic-gate 		if (errno == EIO)
64*8d489c7aSmuffin 			(void) printf("lost carrier...");
657c478bd9Sstevel@tonic-gate 		else
66*8d489c7aSmuffin 			(void) printf("dialup line open failed...");
67*8d489c7aSmuffin 		(void) alarm(0);
68*8d489c7aSmuffin 		(void) kill(child, SIGKILL);
69*8d489c7aSmuffin 		(void) close(dn);
707c478bd9Sstevel@tonic-gate 		return (0);
717c478bd9Sstevel@tonic-gate 	}
72*8d489c7aSmuffin 	(void) alarm(0);
73*8d489c7aSmuffin 	(void) ioctl(dn, TCGETS, &buf);
747c478bd9Sstevel@tonic-gate 	buf.c_cflag |= HUPCL;
75*8d489c7aSmuffin 	(void) ioctl(dn, TCSETSF, &buf);
76*8d489c7aSmuffin 	(void) signal(SIGALRM, SIG_DFL);
777c478bd9Sstevel@tonic-gate 	while ((nw = wait(&lt)) != child && nw != -1)
787c478bd9Sstevel@tonic-gate 		;
79*8d489c7aSmuffin 	(void) fflush(stdout);
80*8d489c7aSmuffin 	(void) close(dn);
817c478bd9Sstevel@tonic-gate 	if (lt != 0) {
82*8d489c7aSmuffin 		(void) close(FD);
837c478bd9Sstevel@tonic-gate 		return (0);
847c478bd9Sstevel@tonic-gate 	}
857c478bd9Sstevel@tonic-gate 	return (1);
867c478bd9Sstevel@tonic-gate }
877c478bd9Sstevel@tonic-gate 
887c478bd9Sstevel@tonic-gate void
alarmtr(void)89*8d489c7aSmuffin alarmtr(void)
907c478bd9Sstevel@tonic-gate {
917c478bd9Sstevel@tonic-gate 
92*8d489c7aSmuffin 	(void) alarm(0);
937c478bd9Sstevel@tonic-gate 	siglongjmp(jmpbuf, 1);
947c478bd9Sstevel@tonic-gate }
957c478bd9Sstevel@tonic-gate 
967c478bd9Sstevel@tonic-gate /*
977c478bd9Sstevel@tonic-gate  * Insurance, for some reason we don't seem to be
987c478bd9Sstevel@tonic-gate  *  hanging up...
997c478bd9Sstevel@tonic-gate  */
100*8d489c7aSmuffin void
dn_disconnect(void)101*8d489c7aSmuffin dn_disconnect(void)
1027c478bd9Sstevel@tonic-gate {
1037c478bd9Sstevel@tonic-gate 	int dtr = TIOCM_DTR;
1047c478bd9Sstevel@tonic-gate 
105*8d489c7aSmuffin 	(void) sleep(2);
1067c478bd9Sstevel@tonic-gate 	if (FD > 0)
107*8d489c7aSmuffin 		(void) ioctl(FD, TIOCMBIC, &dtr);
108*8d489c7aSmuffin 	(void) close(FD);
1097c478bd9Sstevel@tonic-gate }
1107c478bd9Sstevel@tonic-gate 
111*8d489c7aSmuffin void
dn_abort(void)112*8d489c7aSmuffin dn_abort(void)
1137c478bd9Sstevel@tonic-gate {
1147c478bd9Sstevel@tonic-gate 	int dtr = TIOCM_DTR;
1157c478bd9Sstevel@tonic-gate 
116*8d489c7aSmuffin 	(void) sleep(2);
1177c478bd9Sstevel@tonic-gate 	if (child > 0)
118*8d489c7aSmuffin 		(void) kill(child, SIGKILL);
1197c478bd9Sstevel@tonic-gate 	if (dn > 0)
120*8d489c7aSmuffin 		(void) close(dn);
1217c478bd9Sstevel@tonic-gate 	if (FD > 0)
122*8d489c7aSmuffin 		(void) ioctl(FD, TIOCMBIC, &dtr);
123*8d489c7aSmuffin 	(void) close(FD);
1247c478bd9Sstevel@tonic-gate }
125