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/* $OpenBSD: v3451.c,v 1.9 2006/03/17 19:17:13 moritz Exp $ */
/* $NetBSD: v3451.c,v 1.6 1997/02/11 09:24:20 mrg Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.bin/tip/libacu/v3451.c,v 1.3.10.1.6.1 2010/12/21 17:09:25 kensmith Exp $");
#ifndef lint
#if 0
static char sccsid[] = "@(#)v3451.c 8.1 (Berkeley) 6/6/93";
static const char rcsid[] = "$OpenBSD: v3451.c,v 1.9 2006/03/17 19:17:13 moritz Exp $";
#endif
#endif /* not lint */
/*
* Routines for calling up on a Vadic 3451 Modem
*/
#include "tip.h"
static jmp_buf Sjbuf;
static void vawrite(char *, int);
static int expect(char *);
static void alarmtr(int);
static int notin(char *, char *);
static int prefix(char *, char *);
int
v3451_dialer(char *num, char *acu)
{
sig_t func;
int ok;
int slow = number(value(BAUDRATE)) < 1200;
char phone[50];
struct termios cntrl;
/*
* 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);
}
tcgetattr(FD, &cntrl);
term.c_cflag |= HUPCL;
tcsetattr(FD, TCSANOW, &cntrl);
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);
}
(void)snprintf(phone, sizeof phone, "%s\r", num);
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);
}
tcflush(FD, TCIOFLUSH);
return (1);
}
void
v3451_disconnect(void)
{
close(FD);
}
void
v3451_abort(void)
{
close(FD);
}
static void
vawrite(char *cp, int delay)
{
for (; *cp; sleep(delay), cp++)
write(FD, cp, 1);
}
static int
expect(char *cp)
{
char buf[300];
char *rp = buf;
int 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);
}
/*ARGSUSED*/
static void
alarmtr(int signo)
{
longjmp(Sjbuf, 1);
}
static int
notin(char *sh, char *lg)
{
for (; *lg; lg++)
if (prefix(sh, lg))
return (0);
return (1);
}
static int
prefix(char *s1, char *s2)
{
char c;
while ((c = *s1++) == *s2++)
if (c == '\0')
return (1);
return (c == '\0');
}
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