1 /* $OpenBSD: acu.c,v 1.12 2006/03/17 14:43:06 moritz Exp $ */
2 /* $NetBSD: acu.c,v 1.4 1996/12/29 10:34:03 cgd Exp $ */
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
38 static char sccsid[] = "@(#)acu.c 8.1 (Berkeley) 6/6/93";
39 static const char rcsid[] = "$OpenBSD: acu.c,v 1.12 2006/03/17 14:43:06 moritz Exp $";
45 static acu_t *acu = NOACU;
47 static void acuabort(int);
48 static acu_t *acutype(char *);
49 static jmp_buf jmpbuf;
51 * Establish connection for tip
53 * If DU is true, we should dial an ACU whose type is AT.
54 * The phone numbers are in PN, and the call unit is in CU.
56 * If the PN is an '@', then we consult the PHONES file for
57 * the phone numbers. This file is /etc/phones, unless overriden
58 * by an exported shell variable.
60 * The data base files must be in the format:
61 * host-name[ \t]*phone-number
62 * with the possibility of multiple phone numbers
63 * for a single host acting as a rotary (in the order
70 char *phnum, string[256];
72 volatile int tried = 0;
74 if (!DU) { /* regular connect message */
76 parwrite(FD, CM, size(CM));
77 logent(value(HOST), "", DV, "call completed");
81 * @ =>'s use data base in PHONES environment variable
82 * otherwise, use /etc/phones
84 signal(SIGINT, acuabort);
85 signal(SIGQUIT, acuabort);
87 signal(SIGINT, SIG_IGN);
88 signal(SIGQUIT, SIG_IGN);
89 printf("\ncall aborted\n");
90 logent(value(HOST), "", "", "call aborted");
92 setboolean(value(VERBOSE), FALSE);
100 if ((acu = acutype(AT)) == NOACU)
101 return ("unknown ACU type");
105 cp += strcspn(cp, ",");
109 if (strlen(phnum) == 0)
112 conflag = (*acu->acu_dialer)(phnum, CU);
116 logent(value(HOST), phnum, acu->acu_name, "call failed");
120 if ((fd = fopen(PH, "r")) == NOFILE) {
122 return ("can't open phone number file");
124 while (fgets(string, sizeof(string), fd) != NOSTR) {
125 cp = &string[strcspn(string, " \t\n")];
129 if (strcmp(string, value(HOST)) != 0)
132 cp += strspn(cp, " \t\n");
134 *(cp + strcspn(cp, ",\n")) = '\0';
136 if (strlen(phnum) == 0)
139 conflag = (*acu->acu_dialer)(phnum, CU);
143 logent(value(HOST), phnum, acu->acu_name, "call failed");
150 parwrite(FD, CM, size(CM));
151 logent(value(HOST), phnum, acu->acu_name, "call completed");
154 logent(value(HOST), "", acu->acu_name, "missing phone number");
155 return ("missing phone number");
158 return ("call failed");
163 disconnect(char *reason)
166 logent(value(HOST), "", DV, "call terminated");
169 if (reason == NOSTR) {
170 logent(value(HOST), "", acu->acu_name, "call terminated");
171 if (boolean(value(VERBOSE)))
172 printf("\r\ndisconnecting...");
174 logent(value(HOST), "", acu->acu_name, reason);
175 (*acu->acu_disconnect)();
189 extern acu_t acutable[];
191 for (p = acutable; p->acu_name != '\0'; p++)
192 if (!strcmp(s, p->acu_name))