2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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36 static char sccsid[] = "@(#)acu.c 8.1 (Berkeley) 6/6/93";
38 static const char rcsid[] =
39 "$FreeBSD: src/usr.bin/tip/tip/acu.c,v 1.5 1999/08/28 01:06:31 peter Exp $";
46 acu_t* unidialer_getmodem (const char *modem_name);
49 static acu_t *acu = NOACU;
51 static void acuabort();
52 static acu_t *acutype();
53 static jmp_buf jmpbuf;
55 * Establish connection for tip
57 * If DU is true, we should dial an ACU whose type is AT.
58 * The phone numbers are in PN, and the call unit is in CU.
60 * If the PN is an '@', then we consult the PHONES file for
61 * the phone numbers. This file is /etc/phones, unless overriden
62 * by an exported shell variable.
64 * The data base files must be in the format:
65 * host-name[ \t]*phone-number
66 * with the possibility of multiple phone numbers
67 * for a single host acting as a rotary (in the order
73 register char *cp = PN;
74 char *phnum, string[256];
78 if (!DU) { /* regular connect message */
80 xpwrite(FD, CM, size(CM));
81 logent(value(HOST), "", DV, "call completed");
85 * @ =>'s use data base in PHONES environment variable
86 * otherwise, use /etc/phones
88 signal(SIGINT, acuabort);
89 signal(SIGQUIT, acuabort);
91 signal(SIGINT, SIG_IGN);
92 signal(SIGQUIT, SIG_IGN);
93 printf("\ncall aborted\n");
94 logent(value(HOST), "", "", "call aborted");
96 boolean(value(VERBOSE)) = FALSE;
102 return ("interrupt");
104 if ((acu = acutype(AT)) == NOACU)
105 return ("unknown ACU type");
108 for (phnum = cp; *cp && *cp != ','; cp++)
113 if ((conflag = (*acu->acu_dialer)(phnum, CU))) {
115 xpwrite(FD, CM, size(CM));
116 logent(value(HOST), phnum, acu->acu_name,
120 logent(value(HOST), phnum, acu->acu_name,
125 if ((fd = fopen(PH, "r")) == NOFILE) {
127 return ("can't open phone number file");
129 while (fgets(string, sizeof(string), fd) != NOSTR) {
130 for (cp = string; !any(*cp, " \t\n"); cp++)
134 return ("unrecognizable host name");
137 if (strcmp(string, value(HOST)))
139 while (any(*cp, " \t"))
143 return ("missing phone number");
145 for (phnum = cp; *cp && *cp != ',' && *cp != '\n'; cp++)
150 if ((conflag = (*acu->acu_dialer)(phnum, CU))) {
153 xpwrite(FD, CM, size(CM));
154 logent(value(HOST), phnum, acu->acu_name,
158 logent(value(HOST), phnum, acu->acu_name,
165 logent(value(HOST), "", acu->acu_name, "missing phone number");
168 return (tried ? "call failed" : "missing phone number");
176 logent(value(HOST), "", DV, "call terminated");
179 if (reason == NOSTR) {
180 logent(value(HOST), "", acu->acu_name, "call terminated");
181 if (boolean(value(VERBOSE)))
182 printf("\r\ndisconnecting...");
184 logent(value(HOST), "", acu->acu_name, reason);
185 (*acu->acu_disconnect)();
200 extern acu_t acutable[];
202 for (p = acutable; p->acu_name != '\0'; p++)
203 if (!strcmp(s, p->acu_name))
207 return unidialer_getmodem (s);