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/*
* Copyright (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
/* from UCB 4.4 6/25/83 */
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "tip.h"
#define DISCONNECT_CMD "\20\04" /* disconnection string */
static void sigALRM();
static int timeout = 0;
static sigjmp_buf timeoutbuf;
/*
* Dial up on a BIZCOMP Model 1022 with either
* tone dialing (mod = "V")
* pulse dialing (mod = "W")
*/
static int
biz_dialer(num, mod)
char *num, *mod;
{
register int connected = 0;
char cbuf[40];
if (boolean(value(VERBOSE)))
printf("\nstarting call...");
/*
* Disable auto-answer and configure for tone/pulse
* dialing
*/
if (cmd("\02K\r")) {
printf("can't initialize bizcomp...");
return (0);
}
strcpy(cbuf, "\02.\r");
cbuf[1] = *mod;
if (cmd(cbuf)) {
printf("can't set dialing mode...");
return (0);
}
strcpy(cbuf, "\02D");
strlcat(cbuf, num, sizeof (cbuf));
strlcat(cbuf, "\r", sizeof (cbuf));
write(FD, cbuf, strlen(cbuf));
if (!detect("7\r")) {
printf("can't get dial tone...");
return (0);
}
if (boolean(value(VERBOSE)))
printf("ringing...");
/*
* The reply from the BIZCOMP should be:
* 2 \r or 7 \r failure
* 1 \r success
*/
connected = detect("1\r");
#ifdef ACULOG
if (timeout) {
char line[80];
sprintf(line, "%d second dial timeout",
number(value(DIALTIMEOUT)));
logent(value(HOST), num, "biz1022", line);
}
#endif
if (timeout)
biz22_disconnect(); /* insurance */
return (connected);
}
biz22w_dialer(num, acu)
char *num, *acu;
{
return (biz_dialer(num, "W"));
}
biz22f_dialer(num, acu)
char *num, *acu;
{
return (biz_dialer(num, "V"));
}
biz22_disconnect()
{
write(FD, DISCONNECT_CMD, 4);
sleep(2);
ioctl(FD, TCFLSH, TCOFLUSH);
}
biz22_abort()
{
write(FD, "\02", 1);
}
static void
sigALRM()
{
timeout = 1;
siglongjmp(timeoutbuf, 1);
}
static int
cmd(s)
register char *s;
{
char c;
sig_handler_t f;
write(FD, s, strlen(s));
f = signal(SIGALRM, (sig_handler_t)sigALRM);
if (sigsetjmp(timeoutbuf, 1)) {
biz22_abort();
signal(SIGALRM, f);
return (1);
}
alarm(number(value(DIALTIMEOUT)));
read(FD, &c, 1);
alarm(0);
signal(SIGALRM, f);
c &= 0177;
return (c != '\r');
}
static int
detect(s)
register char *s;
{
char c;
sig_handler_t f;
f = signal(SIGALRM, (sig_handler_t)sigALRM);
timeout = 0;
while (*s) {
if (sigsetjmp(timeoutbuf, 1)) {
biz22_abort();
break;
}
alarm(number(value(DIALTIMEOUT)));
read(FD, &c, 1);
alarm(0);
c &= 0177;
if (c != *s++)
return (0);
}
signal(SIGALRM, f);
return (timeout == 0);
}
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