174 lines
4.1 KiB
C
174 lines
4.1 KiB
C
/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Adams.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)slattach.c 8.2 (Berkeley) 1/7/94";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sgtty.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <netdb.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <paths.h>
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#define DEFAULT_BAUD 9600
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int slipdisc = SLIPDISC;
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char devname[32];
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char hostname[MAXHOSTNAMELEN];
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register int fd;
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register char *dev = argv[1];
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struct sgttyb sgtty;
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int speed;
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if (argc < 2 || argc > 3) {
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fprintf(stderr, "usage: %s ttyname [baudrate]\n", argv[0]);
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exit(1);
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}
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speed = argc == 3 ? findspeed(atoi(argv[2])) : findspeed(DEFAULT_BAUD);
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if (speed == 0) {
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fprintf(stderr, "unknown speed %s", argv[2]);
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exit(1);
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}
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if (strncmp(_PATH_DEV, dev, sizeof(_PATH_DEV) - 1)) {
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(void)snprintf(devname, sizeof(devname),
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"%s%s", _PATH_DEV, dev);
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dev = devname;
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}
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if ((fd = open(dev, O_RDWR | O_NDELAY)) < 0) {
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perror(dev);
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exit(1);
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}
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sgtty.sg_flags = RAW | ANYP;
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sgtty.sg_ispeed = sgtty.sg_ospeed = speed;
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if (ioctl(fd, TIOCSETP, &sgtty) < 0) {
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perror("ioctl(TIOCSETP)");
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exit(1);
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}
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if (ioctl(fd, TIOCSETD, &slipdisc) < 0) {
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perror("ioctl(TIOCSETD)");
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exit(1);
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}
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if (fork() > 0)
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exit(0);
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for (;;)
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sigpause(0L);
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}
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struct sg_spds {
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int sp_val, sp_name;
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} spds[] = {
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#ifdef B50
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{ 50, B50 },
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#endif
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#ifdef B75
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{ 75, B75 },
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#endif
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#ifdef B110
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{ 110, B110 },
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#endif
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#ifdef B150
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{ 150, B150 },
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#endif
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#ifdef B200
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{ 200, B200 },
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#endif
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#ifdef B300
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{ 300, B300 },
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#endif
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#ifdef B600
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{ 600, B600 },
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#endif
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#ifdef B1200
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{ 1200, B1200 },
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#endif
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#ifdef B1800
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{ 1800, B1800 },
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#endif
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#ifdef B2000
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{ 2000, B2000 },
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#endif
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#ifdef B2400
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{ 2400, B2400 },
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#endif
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#ifdef B3600
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{ 3600, B3600 },
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#endif
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#ifdef B4800
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{ 4800, B4800 },
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#endif
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#ifdef B7200
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{ 7200, B7200 },
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#endif
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#ifdef B9600
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{ 9600, B9600 },
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#endif
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#ifdef EXTA
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{ 19200, EXTA },
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#endif
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#ifdef EXTB
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{ 38400, EXTB },
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#endif
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{ 0, 0 }
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};
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findspeed(speed)
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register int speed;
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{
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register struct sg_spds *sp;
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sp = spds;
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while (sp->sp_val && sp->sp_val != speed)
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sp++;
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return (sp->sp_name);
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}
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