1*eb7c1594Sagc /* $NetBSD: login.c,v 1.16 2003/08/07 16:44:58 agc Exp $ */
2f5646a08Schristos
361f28255Scgd /*
43a724adbScgd * Copyright (c) 1988, 1993
53a724adbScgd * The Regents of the University of California. All rights reserved.
661f28255Scgd *
761f28255Scgd * Redistribution and use in source and binary forms, with or without
861f28255Scgd * modification, are permitted provided that the following conditions
961f28255Scgd * are met:
1061f28255Scgd * 1. Redistributions of source code must retain the above copyright
1161f28255Scgd * notice, this list of conditions and the following disclaimer.
1261f28255Scgd * 2. Redistributions in binary form must reproduce the above copyright
1361f28255Scgd * notice, this list of conditions and the following disclaimer in the
1461f28255Scgd * documentation and/or other materials provided with the distribution.
15*eb7c1594Sagc * 3. Neither the name of the University nor the names of its contributors
1661f28255Scgd * may be used to endorse or promote products derived from this software
1761f28255Scgd * without specific prior written permission.
1861f28255Scgd *
1961f28255Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2061f28255Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2161f28255Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2261f28255Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2361f28255Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2461f28255Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2561f28255Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2661f28255Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2761f28255Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2861f28255Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2961f28255Scgd * SUCH DAMAGE.
3061f28255Scgd */
3161f28255Scgd
32f5646a08Schristos #include <sys/cdefs.h>
3361f28255Scgd #if defined(LIBC_SCCS) && !defined(lint)
34e42a9484Sjtc #if 0
35e42a9484Sjtc static char sccsid[] = "@(#)login.c 8.1 (Berkeley) 6/4/93";
36e42a9484Sjtc #else
37*eb7c1594Sagc __RCSID("$NetBSD: login.c,v 1.16 2003/08/07 16:44:58 agc Exp $");
38e42a9484Sjtc #endif
3961f28255Scgd #endif /* LIBC_SCCS and not lint */
4061f28255Scgd
4161f28255Scgd #include <sys/types.h>
423a724adbScgd
43b48252f3Slukem #include <assert.h>
44b48252f3Slukem #include <errno.h>
453a724adbScgd #include <fcntl.h>
4661f28255Scgd #include <stdio.h>
47b48252f3Slukem #include <stdlib.h>
48b48252f3Slukem #include <unistd.h>
49e42a9484Sjtc #include <util.h>
50b48252f3Slukem #include <utmp.h>
518347998aSpk
5261f28255Scgd void
login(const struct utmp * ut)53fce98185Sad login(const struct utmp *ut)
5461f28255Scgd {
55b613a27fSperry int fd;
5661f28255Scgd int tty;
5761f28255Scgd
58b48252f3Slukem _DIAGASSERT(ut != NULL);
59b48252f3Slukem
6061f28255Scgd tty = ttyslot();
6161f28255Scgd if (tty > 0 && (fd = open(_PATH_UTMP, O_WRONLY|O_CREAT, 0644)) >= 0) {
6266105c37Skleink (void)lseek(fd, (off_t)(tty * sizeof(struct utmp)), SEEK_SET);
633a724adbScgd (void)write(fd, ut, sizeof(struct utmp));
6461f28255Scgd (void)close(fd);
6561f28255Scgd }
6661f28255Scgd if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) {
673a724adbScgd (void)write(fd, ut, sizeof(struct utmp));
6861f28255Scgd (void)close(fd);
6961f28255Scgd }
7061f28255Scgd }
71