1*61f28255Scgd /* 2*61f28255Scgd * Copyright (c) 1988 The Regents of the University of California. 3*61f28255Scgd * All rights reserved. 4*61f28255Scgd * 5*61f28255Scgd * Redistribution and use in source and binary forms, with or without 6*61f28255Scgd * modification, are permitted provided that the following conditions 7*61f28255Scgd * are met: 8*61f28255Scgd * 1. Redistributions of source code must retain the above copyright 9*61f28255Scgd * notice, this list of conditions and the following disclaimer. 10*61f28255Scgd * 2. Redistributions in binary form must reproduce the above copyright 11*61f28255Scgd * notice, this list of conditions and the following disclaimer in the 12*61f28255Scgd * documentation and/or other materials provided with the distribution. 13*61f28255Scgd * 3. All advertising materials mentioning features or use of this software 14*61f28255Scgd * must display the following acknowledgement: 15*61f28255Scgd * This product includes software developed by the University of 16*61f28255Scgd * California, Berkeley and its contributors. 17*61f28255Scgd * 4. Neither the name of the University nor the names of its contributors 18*61f28255Scgd * may be used to endorse or promote products derived from this software 19*61f28255Scgd * without specific prior written permission. 20*61f28255Scgd * 21*61f28255Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22*61f28255Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23*61f28255Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24*61f28255Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25*61f28255Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26*61f28255Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27*61f28255Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28*61f28255Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29*61f28255Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30*61f28255Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31*61f28255Scgd * SUCH DAMAGE. 32*61f28255Scgd */ 33*61f28255Scgd 34*61f28255Scgd #if defined(LIBC_SCCS) && !defined(lint) 35*61f28255Scgd static char sccsid[] = "@(#)login.c 5.4 (Berkeley) 6/1/90"; 36*61f28255Scgd #endif /* LIBC_SCCS and not lint */ 37*61f28255Scgd 38*61f28255Scgd #include <sys/types.h> 39*61f28255Scgd #include <sys/file.h> 40*61f28255Scgd #include <utmp.h> 41*61f28255Scgd #include <stdio.h> 42*61f28255Scgd 43*61f28255Scgd void 44*61f28255Scgd login(ut) 45*61f28255Scgd struct utmp *ut; 46*61f28255Scgd { 47*61f28255Scgd register int fd; 48*61f28255Scgd int tty; 49*61f28255Scgd off_t lseek(); 50*61f28255Scgd 51*61f28255Scgd tty = ttyslot(); 52*61f28255Scgd if (tty > 0 && (fd = open(_PATH_UTMP, O_WRONLY|O_CREAT, 0644)) >= 0) { 53*61f28255Scgd (void)lseek(fd, (long)(tty * sizeof(struct utmp)), L_SET); 54*61f28255Scgd (void)write(fd, (char *)ut, sizeof(struct utmp)); 55*61f28255Scgd (void)close(fd); 56*61f28255Scgd } 57*61f28255Scgd if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) { 58*61f28255Scgd (void)write(fd, (char *)ut, sizeof(struct utmp)); 59*61f28255Scgd (void)close(fd); 60*61f28255Scgd } 61*61f28255Scgd } 62