1 /* $OpenBSD: df.c,v 1.9 2006/03/17 19:17:13 moritz Exp $ */
2 /* $NetBSD: df.c,v 1.4 1995/10/29 00:49:51 pk Exp $ */
5 * SPDX-License-Identifier: BSD-3-Clause
7 * Copyright (c) 1983, 1993
8 * The Regents of the University of California. All rights reserved.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
40 static char sccsid[] = "@(#)df.c 8.1 (Berkeley) 6/6/93";
41 static const char rcsid[] = "$OpenBSD: df.c,v 1.9 2006/03/17 19:17:13 moritz Exp $";
46 * Dial the DF02-AC or DF03-AC
53 static int df_dialer(char *, char *, int);
54 static void alrm_timeout(int);
57 df02_dialer(char *num, char *acu)
59 return (df_dialer(num, acu, 0));
63 df03_dialer(char *num, char *acu)
65 return (df_dialer(num, acu, 1));
69 df_dialer(char *num, char *acu, int df03)
77 cntrl.c_cflag |= HUPCL;
78 tcsetattr(f, TCSANOW, &cntrl);
80 printf("connection timed out\r\n");
84 if (boolean(value(VERBOSE)))
85 printf("\ndialing...");
89 int st = TIOCM_ST; /* secondary Transmit flag */
92 speed = cfgetospeed(&cntrl);
93 if (speed != B1200) { /* must dial at 1200 baud */
94 cfsetospeed(&cntrl, B1200);
95 cfsetispeed(&cntrl, B1200);
96 tcsetattr(f, TCSAFLUSH, &cntrl);
97 ioctl(f, TIOCMBIC, &st); /* clear ST for 300 baud */
99 ioctl(f, TIOCMBIS, &st); /* set ST for 1200 baud */
102 signal(SIGALRM, alrm_timeout);
103 alarm(5 * strlen(num) + 10);
104 tcflush(f, TCIOFLUSH);
108 write(f, num, strlen(num));
111 if (df03 && speed != B1200) {
112 cfsetospeed(&cntrl, speed);
113 cfsetispeed(&cntrl, speed);
114 tcsetattr(f, TCSAFLUSH, &cntrl);
123 write(FD, "\001", 1);
125 tcflush(FD, TCIOFLUSH);
136 alrm_timeout(int signo)