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33 * @(#)acu.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/tip/tip/acu.c,v 1.5 1999/08/28 01:06:31 peter Exp $
41 acu_t* unidialer_getmodem (const char *modem_name);
44 static acu_t *acu = NULL;
46 static void acuabort();
47 static acu_t *acutype();
48 static jmp_buf jmpbuf;
50 * Establish connection for tip
52 * If DU is true, we should dial an ACU whose type is AT.
53 * The phone numbers are in PN, and the call unit is in CU.
55 * If the PN is an '@', then we consult the PHONES file for
56 * the phone numbers. This file is /etc/phones, unless overriden
57 * by an exported shell variable.
59 * The data base files must be in the format:
60 * host-name[ \t]*phone-number
61 * with the possibility of multiple phone numbers
62 * for a single host acting as a rotary (in the order
69 char *phnum, string[256];
73 if (!DU) { /* regular connect message */
75 xpwrite(FD, CM, size(CM));
76 logent(value(HOST), "", DV, "call completed");
80 * @ =>'s use data base in PHONES environment variable
81 * otherwise, use /etc/phones
83 signal(SIGINT, acuabort);
84 signal(SIGQUIT, acuabort);
86 signal(SIGINT, SIG_IGN);
87 signal(SIGQUIT, SIG_IGN);
88 printf("\ncall aborted\n");
89 logent(value(HOST), "", "", "call aborted");
91 boolean(value(VERBOSE)) = FALSE;
99 if ((acu = acutype(AT)) == NULL)
100 return ("unknown ACU type");
103 for (phnum = cp; *cp && *cp != ','; cp++)
108 if ((conflag = (*acu->acu_dialer)(phnum, CU))) {
110 xpwrite(FD, CM, size(CM));
111 logent(value(HOST), phnum, acu->acu_name,
115 logent(value(HOST), phnum, acu->acu_name,
120 if ((fd = fopen(PH, "r")) == NULL) {
122 return ("can't open phone number file");
124 while (fgets(string, sizeof(string), fd) != NULL) {
125 for (cp = string; !any(*cp, " \t\n"); cp++)
129 return ("unrecognizable host name");
132 if (strcmp(string, value(HOST)))
134 while (any(*cp, " \t"))
138 return ("missing phone number");
140 for (phnum = cp; *cp && *cp != ',' && *cp != '\n'; cp++)
145 if ((conflag = (*acu->acu_dialer)(phnum, CU))) {
148 xpwrite(FD, CM, size(CM));
149 logent(value(HOST), phnum, acu->acu_name,
153 logent(value(HOST), phnum, acu->acu_name,
160 logent(value(HOST), "", acu->acu_name, "missing phone number");
163 return (tried ? "call failed" : "missing phone number");
171 logent(value(HOST), "", DV, "call terminated");
174 if (reason == NULL) {
175 logent(value(HOST), "", acu->acu_name, "call terminated");
176 if (boolean(value(VERBOSE)))
177 printf("\r\ndisconnecting...");
179 logent(value(HOST), "", acu->acu_name, reason);
180 (*acu->acu_disconnect)();
195 extern acu_t acutable[];
197 for (p = acutable; p->acu_name != '\0'; p++)
198 if (!strcmp(s, p->acu_name))
202 return unidialer_getmodem (s);