usr/src/cmd/acct/utmp2wtmp.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25 /*
  26  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29
  30 /*
  31  *      create entries for users who are still logged on when accounting
  32  *      is being run. Look at utmpx, and update the time stamp. New info
  33  *      goes to wtmpx. Called by runacct.
  34  */
  35
  36 #include <stdio.h>
  37 #include <sys/types.h>
  38 #include <utmpx.h>
  39 #include <time.h>
  40 #include <string.h>
  41 #include <errno.h>
  42 #include <stdlib.h>
  43
  44 int
  45 main(int argc, char **argv)
  46 {
  47         struct utmpx *utmpx;
  48         FILE *fp;
  49
  50         fp = fopen(WTMPX_FILE, "a+");
  51         if (fp == NULL) {
  52                 fprintf(stderr, "%s: %s: %s\n", argv[0],
  53                     WTMPX_FILE, strerror(errno));
  54                 exit(1);
  55         }
  56
  57         while ((utmpx = getutxent()) != NULL) {
  58                 if ((utmpx->ut_type == USER_PROCESS) && !(nonuserx(*utmpx))) {
  59                         time(&utmpx->ut_xtime);
  60                         fwrite(utmpx, sizeof (*utmpx), 1, fp);
  61                 }
  62         }
  63         fclose(fp);
  64         exit(0);
  65 }