NetBSD/lib/libutil/login_tty.c

64 lines
2.4 KiB
C
Raw Normal View History

1999-01-12 02:10:26 +03:00
/* $NetBSD: login_tty.c,v 1.7 1999/01/11 23:10:26 kleink Exp $ */
1997-06-29 22:44:03 +04:00
1993-03-21 12:45:37 +03:00
/*-
1994-05-04 14:55:57 +04:00
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
1993-03-21 12:45:37 +03:00
*
* 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.
*/
1997-06-29 22:44:03 +04:00
#include <sys/cdefs.h>
1993-03-21 12:45:37 +03:00
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)login_tty.c 8.1 (Berkeley) 6/4/93";
#else
1999-01-12 02:10:26 +03:00
__RCSID("$NetBSD: login_tty.c,v 1.7 1999/01/11 23:10:26 kleink Exp $");
#endif
1993-03-21 12:45:37 +03:00
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
#include <sys/ioctl.h>
1995-06-05 23:43:53 +04:00
#include <unistd.h>
#include <util.h>
1995-06-05 23:43:53 +04:00
int
1993-03-21 12:45:37 +03:00
login_tty(fd)
int fd;
{
(void) setsid();
if (ioctl(fd, TIOCSCTTY, (char *)NULL) == -1)
return (-1);
(void) dup2(fd, 0);
(void) dup2(fd, 1);
(void) dup2(fd, 2);
1999-01-12 02:10:26 +03:00
if (fd > STDERR_FILENO)
1993-03-21 12:45:37 +03:00
(void) close(fd);
return (0);
}