17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate */
227c478bdstevel@tonic-gate/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
237c478bdstevel@tonic-gate/*	  All Rights Reserved  	*/
247c478bdstevel@tonic-gate
257c478bdstevel@tonic-gate
267c478bdstevel@tonic-gate#ident	"%Z%%M%	%I%	%E% SMI"       /* SVr4.0 1.2 */
277c478bdstevel@tonic-gate
287c478bdstevel@tonic-gate#include	<sys/types.h>
297c478bdstevel@tonic-gate#include	<stdio.h>
307c478bdstevel@tonic-gate#include	<pwd.h>
317c478bdstevel@tonic-gate#include	<userdefs.h>
327c478bdstevel@tonic-gate#include	<users.h>
337c478bdstevel@tonic-gate
347c478bdstevel@tonic-gate#include	<sys/param.h>
357c478bdstevel@tonic-gate
367c478bdstevel@tonic-gate#ifndef MAXUID
377c478bdstevel@tonic-gate#include	<limits.h>
387c478bdstevel@tonic-gate#define	MAXUID	UID_MAX
397c478bdstevel@tonic-gate#endif
407c478bdstevel@tonic-gate
417c478bdstevel@tonic-gatestruct passwd *getpwuid();
427c478bdstevel@tonic-gate
437c478bdstevel@tonic-gateint
447c478bdstevel@tonic-gatevalid_uid( uid, pptr )
457c478bdstevel@tonic-gateuid_t uid;
467c478bdstevel@tonic-gatestruct passwd **pptr;
477c478bdstevel@tonic-gate{
487c478bdstevel@tonic-gate	register struct passwd *t_pptr;
497c478bdstevel@tonic-gate
507c478bdstevel@tonic-gate	if( uid <= 0 ) return( INVALID );
517c478bdstevel@tonic-gate	if( uid <= DEFRID ) {
527c478bdstevel@tonic-gate		if( pptr ) *pptr = getpwuid( uid );
537c478bdstevel@tonic-gate
547c478bdstevel@tonic-gate		return( RESERVED );
557c478bdstevel@tonic-gate	}
567c478bdstevel@tonic-gate
577c478bdstevel@tonic-gate	if( uid > MAXUID ) return( TOOBIG );
587c478bdstevel@tonic-gate
597c478bdstevel@tonic-gate	if( t_pptr = getpwuid( uid ) ) {
607c478bdstevel@tonic-gate		if( pptr ) *pptr = t_pptr;
617c478bdstevel@tonic-gate		return( NOTUNIQUE );
627c478bdstevel@tonic-gate	}
637c478bdstevel@tonic-gate
647c478bdstevel@tonic-gate	return( UNIQUE );
657c478bdstevel@tonic-gate}
66