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 1.3 */
27*0Sstevel@tonic-gate
28*0Sstevel@tonic-gate #include <sys/types.h>
29*0Sstevel@tonic-gate #include <sys/stat.h>
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate int
check_perm(statbuf,uid,gid,perm)32*0Sstevel@tonic-gate check_perm( statbuf, uid, gid, perm )
33*0Sstevel@tonic-gate struct stat statbuf;
34*0Sstevel@tonic-gate uid_t uid;
35*0Sstevel@tonic-gate gid_t gid;
36*0Sstevel@tonic-gate mode_t perm;
37*0Sstevel@tonic-gate {
38*0Sstevel@tonic-gate int fail = -1; /* assume no permission at onset */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate /* Make sure we're dealing with a directory */
41*0Sstevel@tonic-gate if( S_ISDIR( statbuf.st_mode )) {
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate /*
44*0Sstevel@tonic-gate * Have a directory, so make sure user has permission
45*0Sstevel@tonic-gate * by the various possible methods to this directory.
46*0Sstevel@tonic-gate */
47*0Sstevel@tonic-gate if( (statbuf.st_uid == uid) &&
48*0Sstevel@tonic-gate (statbuf.st_mode & (perm << 6)) == (perm << 6) )
49*0Sstevel@tonic-gate fail = 0;
50*0Sstevel@tonic-gate else
51*0Sstevel@tonic-gate if( (statbuf.st_gid == gid) &&
52*0Sstevel@tonic-gate (statbuf.st_mode & (perm << 3)) == (perm << 3) )
53*0Sstevel@tonic-gate fail = 0;
54*0Sstevel@tonic-gate else
55*0Sstevel@tonic-gate if( (statbuf.st_mode & perm) == perm )
56*0Sstevel@tonic-gate fail = 0;
57*0Sstevel@tonic-gate }
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate return( fail );
60*0Sstevel@tonic-gate }
61