1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
23*0Sstevel@tonic-gate /* All Rights Reserved */
24*0Sstevel@tonic-gate
25*0Sstevel@tonic-gate
26*0Sstevel@tonic-gate #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */
27*0Sstevel@tonic-gate
28*0Sstevel@tonic-gate #include <sys/types.h>
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <pwd.h>
31*0Sstevel@tonic-gate #include <userdefs.h>
32*0Sstevel@tonic-gate #include <users.h>
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate #include <sys/param.h>
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate #ifndef MAXUID
37*0Sstevel@tonic-gate #include <limits.h>
38*0Sstevel@tonic-gate #define MAXUID UID_MAX
39*0Sstevel@tonic-gate #endif
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate struct passwd *getpwuid();
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate int
valid_uid(uid,pptr)44*0Sstevel@tonic-gate valid_uid( uid, pptr )
45*0Sstevel@tonic-gate uid_t uid;
46*0Sstevel@tonic-gate struct passwd **pptr;
47*0Sstevel@tonic-gate {
48*0Sstevel@tonic-gate register struct passwd *t_pptr;
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate if( uid <= 0 ) return( INVALID );
51*0Sstevel@tonic-gate if( uid <= DEFRID ) {
52*0Sstevel@tonic-gate if( pptr ) *pptr = getpwuid( uid );
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate return( RESERVED );
55*0Sstevel@tonic-gate }
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate if( uid > MAXUID ) return( TOOBIG );
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate if( t_pptr = getpwuid( uid ) ) {
60*0Sstevel@tonic-gate if( pptr ) *pptr = t_pptr;
61*0Sstevel@tonic-gate return( NOTUNIQUE );
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate return( UNIQUE );
65*0Sstevel@tonic-gate }
66