/*
 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 * 
 * 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 Kungliga Tekniska
 *      Högskolan and its contributors.
 * 
 * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$Id$");
#endif

#include <fcntl.h>
#include <utmp.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include "extern.h"


void
logwtmp(char *line, char *name, char *host)
{
    static int init = 0;
    static int fd;

    struct utmp ut;

    memset(&ut, 0, sizeof(struct utmp));
#ifdef HAVE_UT_TYPE
    if(name[0])
	ut.ut_type = USER_PROCESS;
    else
	ut.ut_type = DEAD_PROCESS;
#endif
    strncpy(ut.ut_line, line, sizeof(ut.ut_line));
    strncpy(ut.ut_name, name, sizeof(ut.ut_name));
#ifdef HAVE_UT_PID
    ut.ut_pid = getpid();
#endif
#ifdef HAVE_UT_HOST
    strncpy(ut.ut_host, host, sizeof(ut.ut_host));
#endif
    
    ut.ut_time = time(NULL);

    if(!init){
	fd = open(WTMP_PATH, O_WRONLY|O_APPEND, 0);
	init = 1;
    }
    if(fd >= 0)
	write(fd, &ut, sizeof(struct utmp)); /* XXX */
}