diff options
Diffstat (limited to 'usr.bin/tip/aculib/hayes.c')
| -rw-r--r-- | usr.bin/tip/aculib/hayes.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/usr.bin/tip/aculib/hayes.c b/usr.bin/tip/aculib/hayes.c deleted file mode 100644 index a2196f4..0000000 --- a/usr.bin/tip/aculib/hayes.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - * 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[] = "@(#)hayes.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -/* - * Routines for calling up on a Hayes Modem - * (based on the old VenTel driver). - * The modem is expected to be strapped for "echo". - * Also, the switches enabling the DTR and CD lines - * must be set correctly. - * NOTICE: - * The easy way to hang up a modem is always simply to - * clear the DTR signal. However, if the +++ sequence - * (which switches the modem back to local mode) is sent - * before modem is hung up, removal of the DTR signal - * has no effect (except that it prevents the modem from - * recognizing commands). - * (by Helge Skrivervik, Calma Company, Sunnyvale, CA. 1984) - */ -/* - * TODO: - * It is probably not a good idea to switch the modem - * state between 'verbose' and terse (status messages). - * This should be kicked out and we should use verbose - * mode only. This would make it consistent with normal - * interactive use thru the command 'tip dialer'. - */ -#include "tip.h" - -#define min(a,b) ((a < b) ? a : b) - -static void sigALRM(); -static int timeout = 0; -static jmp_buf timeoutbuf; -static char gobble(); -#define DUMBUFLEN 40 -static char dumbuf[DUMBUFLEN]; - -#define DIALING 1 -#define IDLE 2 -#define CONNECTED 3 -#define FAILED 4 -static int state = IDLE; - -hay_dialer(num, acu) - register char *num; - char *acu; -{ - register char *cp; - register int connected = 0; - char dummy; -#ifdef ACULOG - char line[80]; -#endif - if (hay_sync() == 0) /* make sure we can talk to the modem */ - return(0); - if (boolean(value(VERBOSE))) - printf("\ndialing..."); - fflush(stdout); - ioctl(FD, TIOCHPCL, 0); - ioctl(FD, TIOCFLUSH, 0); /* get rid of garbage */ - write(FD, "ATv0\r", 5); /* tell modem to use short status codes */ - gobble("\r"); - gobble("\r"); - write(FD, "ATTD", 4); /* send dial command */ - write(FD, num, strlen(num)); - state = DIALING; - write(FD, "\r", 1); - connected = 0; - if (gobble("\r")) { - if ((dummy = gobble("01234")) != '1') - error_rep(dummy); - else - connected = 1; - } - if (connected) - state = CONNECTED; - else { - state = FAILED; - return (connected); /* lets get out of here.. */ - } - ioctl(FD, TIOCFLUSH, 0); -#ifdef ACULOG - if (timeout) { - sprintf(line, "%d second dial timeout", - number(value(DIALTIMEOUT))); - logent(value(HOST), num, "hayes", line); - } -#endif - if (timeout) - hay_disconnect(); /* insurance */ - return (connected); -} - - -hay_disconnect() -{ - char c; - int len, rlen; - - /* first hang up the modem*/ -#ifdef DEBUG - printf("\rdisconnecting modem....\n\r"); -#endif - ioctl(FD, TIOCCDTR, 0); - sleep(1); - ioctl(FD, TIOCSDTR, 0); - goodbye(); -} - -hay_abort() -{ - - char c; - - write(FD, "\r", 1); /* send anything to abort the call */ - hay_disconnect(); -} - -static void -sigALRM() -{ - - printf("\07timeout waiting for reply\n\r"); - timeout = 1; - longjmp(timeoutbuf, 1); -} - -static char -gobble(match) - register char *match; -{ - char c; - sig_t f; - int i, status = 0; - - f = signal(SIGALRM, sigALRM); - timeout = 0; -#ifdef DEBUG - printf("\ngobble: waiting for %s\n", match); -#endif - do { - if (setjmp(timeoutbuf)) { - signal(SIGALRM, f); - return (0); - } - alarm(number(value(DIALTIMEOUT))); - read(FD, &c, 1); - alarm(0); - c &= 0177; -#ifdef DEBUG - printf("%c 0x%x ", c, c); -#endif - for (i = 0; i < strlen(match); i++) - if (c == match[i]) - status = c; - } while (status == 0); - signal(SIGALRM, SIG_DFL); -#ifdef DEBUG - printf("\n"); -#endif - return (status); -} - -error_rep(c) - register char c; -{ - printf("\n\r"); - switch (c) { - - case '0': - printf("OK"); - break; - - case '1': - printf("CONNECT"); - break; - - case '2': - printf("RING"); - break; - - case '3': - printf("NO CARRIER"); - break; - - case '4': - printf("ERROR in input"); - break; - - case '5': - printf("CONNECT 1200"); - break; - - default: - printf("Unknown Modem error: %c (0x%x)", c, c); - } - printf("\n\r"); - return; -} - -/* - * set modem back to normal verbose status codes. - */ -goodbye() -{ - int len, rlen; - char c; - - ioctl(FD, TIOCFLUSH, &len); /* get rid of trash */ - if (hay_sync()) { - sleep(1); -#ifndef DEBUG - ioctl(FD, TIOCFLUSH, 0); -#endif - write(FD, "ATH0\r", 5); /* insurance */ -#ifndef DEBUG - c = gobble("03"); - if (c != '0' && c != '3') { - printf("cannot hang up modem\n\r"); - printf("please use 'tip dialer' to make sure the line is hung up\n\r"); - } -#endif - sleep(1); - ioctl(FD, FIONREAD, &len); -#ifdef DEBUG - printf("goodbye1: len=%d -- ", len); - rlen = read(FD, dumbuf, min(len, DUMBUFLEN)); - dumbuf[rlen] = '\0'; - printf("read (%d): %s\r\n", rlen, dumbuf); -#endif - write(FD, "ATv1\r", 5); - sleep(1); -#ifdef DEBUG - ioctl(FD, FIONREAD, &len); - printf("goodbye2: len=%d -- ", len); - rlen = read(FD, dumbuf, min(len, DUMBUFLEN)); - dumbuf[rlen] = '\0'; - printf("read (%d): %s\r\n", rlen, dumbuf); -#endif - } - ioctl(FD, TIOCFLUSH, 0); /* clear the input buffer */ - ioctl(FD, TIOCCDTR, 0); /* clear DTR (insurance) */ - close(FD); -} - -#define MAXRETRY 5 - -hay_sync() -{ - int len, retry = 0; - - while (retry++ <= MAXRETRY) { - write(FD, "AT\r", 3); - sleep(1); - ioctl(FD, FIONREAD, &len); - if (len) { - len = read(FD, dumbuf, min(len, DUMBUFLEN)); - if (index(dumbuf, '0') || - (index(dumbuf, 'O') && index(dumbuf, 'K'))) - return(1); -#ifdef DEBUG - dumbuf[len] = '\0'; - printf("hay_sync: (\"%s\") %d\n\r", dumbuf, retry); -#endif - } - ioctl(FD, TIOCCDTR, 0); - ioctl(FD, TIOCSDTR, 0); - } - printf("Cannot synchronize with hayes...\n\r"); - return(0); -} |
