diff options
Diffstat (limited to 'usr.bin/tip/aculib/biz22.c')
| -rw-r--r-- | usr.bin/tip/aculib/biz22.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/usr.bin/tip/aculib/biz22.c b/usr.bin/tip/aculib/biz22.c new file mode 100644 index 0000000..93c5e53 --- /dev/null +++ b/usr.bin/tip/aculib/biz22.c @@ -0,0 +1,187 @@ +/* + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#ifndef lint +static char sccsid[] = "@(#)biz22.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +#include "tip.h" + +#define DISCONNECT_CMD "\20\04" /* disconnection string */ + +static void sigALRM(); +static int timeout = 0; +static jmp_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]; + static int cmd(), detect(); + + 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"); + strcat(cbuf, num); + strcat(cbuf, "\r"); + 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() +{ + int rw = 2; + + write(FD, DISCONNECT_CMD, 4); + sleep(2); + ioctl(FD, TIOCFLUSH, &rw); +} + +biz22_abort() +{ + + write(FD, "\02", 1); +} + +static void +sigALRM() +{ + + timeout = 1; + longjmp(timeoutbuf, 1); +} + +static int +cmd(s) + register 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(s) + register char *s; +{ + sig_t f; + char c; + + f = signal(SIGALRM, sigALRM); + timeout = 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 (timeout == 0); +} |
