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