161f28255Scgd /* 2*3a724adbScgd * Copyright (c) 1988, 1993 3*3a724adbScgd * The Regents of the University of California. All rights reserved. 461f28255Scgd * 561f28255Scgd * Redistribution and use in source and binary forms, with or without 661f28255Scgd * modification, are permitted provided that the following conditions 761f28255Scgd * are met: 861f28255Scgd * 1. Redistributions of source code must retain the above copyright 961f28255Scgd * notice, this list of conditions and the following disclaimer. 1061f28255Scgd * 2. Redistributions in binary form must reproduce the above copyright 1161f28255Scgd * notice, this list of conditions and the following disclaimer in the 1261f28255Scgd * documentation and/or other materials provided with the distribution. 1361f28255Scgd * 3. All advertising materials mentioning features or use of this software 1461f28255Scgd * must display the following acknowledgement: 1561f28255Scgd * This product includes software developed by the University of 1661f28255Scgd * California, Berkeley and its contributors. 1761f28255Scgd * 4. Neither the name of the University nor the names of its contributors 1861f28255Scgd * may be used to endorse or promote products derived from this software 1961f28255Scgd * without specific prior written permission. 2061f28255Scgd * 2161f28255Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2261f28255Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2361f28255Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2461f28255Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2561f28255Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2661f28255Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2761f28255Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2861f28255Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2961f28255Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3061f28255Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3161f28255Scgd * SUCH DAMAGE. 3261f28255Scgd */ 3361f28255Scgd 3461f28255Scgd #if defined(LIBC_SCCS) && !defined(lint) 35*3a724adbScgd /* from: static char sccsid[] = "@(#)login.c 8.1 (Berkeley) 6/4/93"; */ 36*3a724adbScgd static char *rcsid = "$Id: login.c,v 1.4 1994/05/04 10:56:00 cgd Exp $"; 3761f28255Scgd #endif /* LIBC_SCCS and not lint */ 3861f28255Scgd 3961f28255Scgd #include <sys/types.h> 40*3a724adbScgd 41*3a724adbScgd #include <fcntl.h> 42*3a724adbScgd #include <unistd.h> 43*3a724adbScgd #include <stdlib.h> 4461f28255Scgd #include <utmp.h> 4561f28255Scgd #include <stdio.h> 4661f28255Scgd 4761f28255Scgd void 4861f28255Scgd login(ut) 4961f28255Scgd struct utmp *ut; 5061f28255Scgd { 5161f28255Scgd register int fd; 5261f28255Scgd int tty; 5361f28255Scgd 5461f28255Scgd tty = ttyslot(); 5561f28255Scgd if (tty > 0 && (fd = open(_PATH_UTMP, O_WRONLY|O_CREAT, 0644)) >= 0) { 56f74f7005Scgd (void)lseek(fd, (off_t)(tty * sizeof(struct utmp)), L_SET); 57*3a724adbScgd (void)write(fd, ut, sizeof(struct utmp)); 5861f28255Scgd (void)close(fd); 5961f28255Scgd } 6061f28255Scgd if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) { 61*3a724adbScgd (void)write(fd, ut, sizeof(struct utmp)); 6261f28255Scgd (void)close(fd); 6361f28255Scgd } 6461f28255Scgd } 65