NetBSD/usr.bin/tip/cu.c

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/* $NetBSD: cu.c,v 1.3 1994/12/08 09:30:48 jtc Exp $ */
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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
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*
* 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
#if 0
static char sccsid[] = "@(#)cu.c 8.1 (Berkeley) 6/6/93";
#endif
static char rcsid[] = "$NetBSD: cu.c,v 1.3 1994/12/08 09:30:48 jtc Exp $";
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#endif /* not lint */
#include "tip.h"
void cleanup();
/*
* Botch the interface to look like cu's
*/
cumain(argc, argv)
char *argv[];
{
register int i;
static char sbuf[12];
if (argc < 2) {
printf("usage: cu telno [-t] [-s speed] [-a acu] [-l line] [-#]\n");
exit(8);
}
CU = DV = NOSTR;
BR = DEFBR;
for (; argc > 1; argv++, argc--) {
if (argv[1][0] != '-')
PN = argv[1];
else switch (argv[1][1]) {
case 't':
HW = 1, DU = -1;
--argc;
continue;
case 'a':
CU = argv[2]; ++argv; --argc;
break;
case 's':
if (argc < 3 || speed(atoi(argv[2])) == 0) {
fprintf(stderr, "cu: unsupported speed %s\n",
argv[2]);
exit(3);
}
BR = atoi(argv[2]); ++argv; --argc;
break;
case 'l':
DV = argv[2]; ++argv; --argc;
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
if (CU)
CU[strlen(CU)-1] = argv[1][1];
if (DV)
DV[strlen(DV)-1] = argv[1][1];
break;
default:
printf("Bad flag %s", argv[1]);
break;
}
}
signal(SIGINT, cleanup);
signal(SIGQUIT, cleanup);
signal(SIGHUP, cleanup);
signal(SIGTERM, cleanup);
/*
* The "cu" host name is used to define the
* attributes of the generic dialer.
*/
(void)sprintf(sbuf, "cu%d", BR);
if ((i = hunt(sbuf)) == 0) {
printf("all ports busy\n");
exit(3);
}
if (i == -1) {
printf("link down\n");
(void)uu_unlock(uucplock);
exit(3);
}
setbuf(stdout, NULL);
loginit();
user_uid();
vinit();
setparity("none");
boolean(value(VERBOSE)) = 0;
if (HW)
ttysetup(speed(BR));
if (connect()) {
printf("Connect failed\n");
daemon_uid();
(void)uu_unlock(uucplock);
exit(1);
}
if (!HW)
ttysetup(speed(BR));
}