1 /* $OpenBSD: hunt.c,v 1.13 2006/03/17 19:39:46 deraadt Exp $ */
2 /* $NetBSD: hunt.c,v 1.6 1997/04/20 00:02:10 mellon Exp $ */
5 * SPDX-License-Identifier: BSD-3-Clause
7 * Copyright (c) 1983, 1993
8 * The Regents of the University of California. All rights reserved.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
40 static char sccsid[] = "@(#)hunt.c 8.1 (Berkeley) 6/6/93";
41 static const char rcsid[] = "$OpenBSD: hunt.c,v 1.13 2006/03/17 19:39:46 deraadt Exp $";
47 static jmp_buf deadline;
50 static void dead(int);
66 f = signal(SIGALRM, dead);
67 while ((cp = getremote(name))) {
69 uucplock = strrchr(cp, '/');
75 if (uu_lock(uucplock) < 0)
78 * Straight through call units, such as the BIZCOMP,
79 * VADIC and the DF, must indicate they're hardwired in
80 * order to get an open file descriptor placed in FD.
81 * Otherwise, as for a DN-11, the open will have to
82 * be done in the "open" routine.
86 if (setjmp(deadline) == 0) {
88 FD = open(cp, (O_RDWR |
89 (boolean(value(DC)) ? O_NONBLOCK : 0)));
99 tcgetattr(FD, &cntrl);
100 if (!boolean(value(DC)))
101 cntrl.c_cflag |= HUPCL;
102 tcsetattr(FD, TCSAFLUSH, &cntrl);
103 ioctl(FD, TIOCEXCL, 0);
104 signal(SIGALRM, SIG_DFL);
107 (void)uu_unlock(uucplock);
110 return (deadfl ? -1 : (long)cp);