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- /*
- * Copyright (c) 1983 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)v3451.c 5.2 (Berkeley) 9/13/88";
- #endif /* not lint */
-
- /*
- * Routines for calling up on a Vadic 3451 Modem
- */
- #include "tip.h"
-
- static jmp_buf Sjbuf;
-
- v3451_dialer(num, acu)
- register char *num;
- char *acu;
- {
- int ok;
- sigfunc_t (*func)();
- int slow = number(value(BAUDRATE)) < 1200, rw = 2;
- char phone[50];
- #ifdef ACULOG
- char line[80];
- #endif
-
- /*
- * Get in synch
- */
- vawrite("I\r", 1 + slow);
- vawrite("I\r", 1 + slow);
- vawrite("I\r", 1 + slow);
- vawrite("\005\r", 2 + slow);
- if (!expect("READY")) {
- printf("can't synchronize with vadic 3451\n");
- #ifdef ACULOG
- logent(value(HOST), num, "vadic", "can't synch up");
- #endif
- return (0);
- }
- ioctl(FD, TIOCHPCL, 0);
- sleep(1);
- vawrite("D\r", 2 + slow);
- if (!expect("NUMBER?")) {
- printf("Vadic will not accept dial command\n");
- #ifdef ACULOG
- logent(value(HOST), num, "vadic", "will not accept dial");
- #endif
- return (0);
- }
- strcpy(phone, num);
- strcat(phone, "\r");
- vawrite(phone, 1 + slow);
- if (!expect(phone)) {
- printf("Vadic will not accept phone number\n");
- #ifdef ACULOG
- logent(value(HOST), num, "vadic", "will not accept number");
- #endif
- return (0);
- }
- func = signal(SIGINT,SIG_IGN);
- /*
- * You cannot interrupt the Vadic when its dialing;
- * even dropping DTR does not work (definitely a
- * brain damaged design).
- */
- vawrite("\r", 1 + slow);
- vawrite("\r", 1 + slow);
- if (!expect("DIALING:")) {
- printf("Vadic failed to dial\n");
- #ifdef ACULOG
- logent(value(HOST), num, "vadic", "failed to dial");
- #endif
- return (0);
- }
- if (boolean(value(VERBOSE)))
- printf("\ndialing...");
- ok = expect("ON LINE");
- signal(SIGINT, func);
- if (!ok) {
- printf("call failed\n");
- #ifdef ACULOG
- logent(value(HOST), num, "vadic", "call failed");
- #endif
- return (0);
- }
- ioctl(FD, TIOCFLUSH, &rw);
- return (1);
- }
-
- v3451_disconnect()
- {
-
- close(FD);
- }
-
- v3451_abort()
- {
-
- close(FD);
- }
-
- static
- vawrite(cp, delay)
- register char *cp;
- int delay;
- {
-
- for (; *cp; sleep(delay), cp++)
- write(FD, cp, 1);
- }
-
- static
- expect(cp)
- register char *cp;
- {
- char buf[300];
- register char *rp = buf;
- int alarmtr(), timeout = 30, online = 0;
-
- if (strcmp(cp, "\"\"") == 0)
- return (1);
- *rp = 0;
- /*
- * If we are waiting for the Vadic to complete
- * dialing and get a connection, allow more time
- * Unfortunately, the Vadic times out 24 seconds after
- * the last digit is dialed
- */
- online = strcmp(cp, "ON LINE") == 0;
- if (online)
- timeout = number(value(DIALTIMEOUT));
- signal(SIGALRM, alarmtr);
- if (setjmp(Sjbuf))
- return (0);
- alarm(timeout);
- while (notin(cp, buf) && rp < buf + sizeof (buf) - 1) {
- if (online && notin("FAILED CALL", buf) == 0)
- return (0);
- if (read(FD, rp, 1) < 0) {
- alarm(0);
- return (0);
- }
- if (*rp &= 0177)
- rp++;
- *rp = '\0';
- }
- alarm(0);
- return (1);
- }
-
- static
- alarmtr()
- {
-
- longjmp(Sjbuf, 1);
- }
-
- static
- notin(sh, lg)
- char *sh, *lg;
- {
-
- for (; *lg; lg++)
- if (prefix(sh, lg))
- return (0);
- return (1);
- }
-
- static
- prefix(s1, s2)
- register char *s1, *s2;
- {
- register char c;
-
- while ((c = *s1++) == *s2++)
- if (c == '\0')
- return (1);
- return (c == '\0');
- }
-