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 1997 Sun Microsystems, Inc. All rights reserved. */
23/*	Use is subject to license terms. */
24
25/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
26/*	All Rights Reserved  	*/
27
28#pragma	ident	"%Z%%M%	%I%	%E% SMI"
29
30#include	<sys/types.h>
31#include	<time.h>
32#include	<users.h>
33
34extern long p_getdate();
35
36/*
37	Validate an expiration date string
38*/
39int
40valid_expire( string, expire )
41char *string;
42time_t *expire;
43{
44	time_t tmp, now;
45	struct tm *tm;
46
47	if( !(tmp = (time_t) p_getdate( string ) ) )
48		return( INVALID );
49
50	now = time( (time_t *)0 );
51
52	/* Make a time_t for midnight tonight */
53	tm = localtime( &now );
54	now -= tm->tm_hour * 60*60 + tm->tm_min * 60 + tm->tm_sec;
55	now += 24 * 60 * 60;
56
57	if( tmp < now ) return( INVALID );
58
59	if( expire ) *expire = now;
60
61	return( UNIQUE );
62}
63