1*429b3653Sderaadt /* $OpenBSD: login_tty.c,v 1.9 2014/06/30 00:26:22 deraadt Exp $ */
2df930be7Sderaadt /*-
3df930be7Sderaadt * Copyright (c) 1990, 1993
4df930be7Sderaadt * The Regents of the University of California. All rights reserved.
5df930be7Sderaadt *
6df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
7df930be7Sderaadt * modification, are permitted provided that the following conditions
8df930be7Sderaadt * are met:
9df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
10df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
11df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
12df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
13df930be7Sderaadt * documentation and/or other materials provided with the distribution.
146580fee3Smillert * 3. Neither the name of the University nor the names of its contributors
15df930be7Sderaadt * may be used to endorse or promote products derived from this software
16df930be7Sderaadt * without specific prior written permission.
17df930be7Sderaadt *
18df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28df930be7Sderaadt * SUCH DAMAGE.
29df930be7Sderaadt */
30df930be7Sderaadt
31*429b3653Sderaadt #include <sys/types.h>
32df930be7Sderaadt #include <sys/ioctl.h>
33df930be7Sderaadt #include <unistd.h>
34ad69070aSdownsj
35ad69070aSdownsj #include "util.h"
36df930be7Sderaadt
37df930be7Sderaadt int
login_tty(int fd)381477552aSderaadt login_tty(int fd)
39df930be7Sderaadt {
40df930be7Sderaadt (void) setsid();
41df930be7Sderaadt if (ioctl(fd, TIOCSCTTY, (char *)NULL) == -1)
42df930be7Sderaadt return (-1);
4343a9fe7eSmillert (void) dup2(fd, STDIN_FILENO);
4443a9fe7eSmillert (void) dup2(fd, STDOUT_FILENO);
4543a9fe7eSmillert (void) dup2(fd, STDERR_FILENO);
4643a9fe7eSmillert if (fd > STDERR_FILENO)
47df930be7Sderaadt (void) close(fd);
48df930be7Sderaadt return (0);
49df930be7Sderaadt }
50