diff options
Diffstat (limited to 'usr.bin/tip/libacu/biz22.c')
| -rw-r--r-- | usr.bin/tip/libacu/biz22.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/usr.bin/tip/libacu/biz22.c b/usr.bin/tip/libacu/biz22.c new file mode 100644 index 0000000..99b6fb0 --- /dev/null +++ b/usr.bin/tip/libacu/biz22.c @@ -0,0 +1,187 @@ +/* $OpenBSD: biz22.c,v 1.13 2006/03/17 19:17:13 moritz Exp $ */ +/* $NetBSD: biz22.c,v 1.6 1997/02/11 09:24:11 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("$FreeBSD$"); + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)biz22.c 8.1 (Berkeley) 6/6/93"; +static const char rcsid[] = "$OpenBSD: biz22.c,v 1.13 2006/03/17 19:17:13 moritz Exp $"; +#endif +#endif /* not lint */ + +#include "tip.h" + +#define DISCONNECT_CMD "\20\04" /* disconnection string */ + +static int dialtimeout = 0; +static jmp_buf timeoutbuf; + +static int biz_dialer(char *, char *); +static void sigALRM(int); +static int cmd(char *); +static int detect(char *); + +/* + * Dial up on a BIZCOMP Model 1022 with either + * tone dialing (mod = "V") + * pulse dialing (mod = "W") + */ +static int +biz_dialer(char *num, char *mod) +{ + 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); + } + (void)strlcpy(cbuf, "\02.\r", sizeof cbuf); + cbuf[1] = *mod; + if (cmd(cbuf)) { + printf("can't set dialing mode..."); + return (0); + } + (void)snprintf(cbuf, sizeof(cbuf), "\02D%s\r", num); + 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 (dialtimeout) { + char line[80]; + + (void)snprintf(line, sizeof line, "%ld second dial timeout", + number(value(DIALTIMEOUT))); + logent(value(HOST), num, "biz1022", line); + } +#endif + if (dialtimeout) + biz22_disconnect(); /* insurance */ + return (connected); +} + +int +biz22w_dialer(char *num, char *acu) +{ + return (biz_dialer(num, "W")); +} + +int +biz22f_dialer(char *num, char *acu) +{ + return (biz_dialer(num, "V")); +} + +void +biz22_disconnect(void) +{ + write(FD, DISCONNECT_CMD, sizeof(DISCONNECT_CMD)-1); + sleep(2); + tcflush(FD, TCIOFLUSH); +} + +void +biz22_abort(void) +{ + write(FD, "\02", 1); +} + +/*ARGSUSED*/ +static void +sigALRM(int signo) +{ + dialtimeout = 1; + longjmp(timeoutbuf, 1); +} + +static int +cmd(char *s) +{ + sig_t f; + char c; + + write(FD, s, strlen(s)); + f = signal(SIGALRM, sigALRM); + if (setjmp(timeoutbuf)) { + 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(char *s) +{ + sig_t f; + char c; + + f = signal(SIGALRM, sigALRM); + dialtimeout = 0; + while (*s) { + if (setjmp(timeoutbuf)) { + biz22_abort(); + break; + } + alarm(number(value(DIALTIMEOUT))); + read(FD, &c, 1); + alarm(0); + c &= 0177; + if (c != *s++) + return (0); + } + signal(SIGALRM, f); + return (dialtimeout == 0); +} |
