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 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 27 28 #include <sys/types.h> 29 #include <sys/stat.h> 30 31 int 32 check_perm( statbuf, uid, gid, perm ) 33 struct stat statbuf; 34 uid_t uid; 35 gid_t gid; 36 mode_t perm; 37 { 38 int fail = -1; /* assume no permission at onset */ 39 40 /* Make sure we're dealing with a directory */ 41 if( S_ISDIR( statbuf.st_mode )) { 42 43 /* 44 * Have a directory, so make sure user has permission 45 * by the various possible methods to this directory. 46 */ 47 if( (statbuf.st_uid == uid) && 48 (statbuf.st_mode & (perm << 6)) == (perm << 6) ) 49 fail = 0; 50 else 51 if( (statbuf.st_gid == gid) && 52 (statbuf.st_mode & (perm << 3)) == (perm << 3) ) 53 fail = 0; 54 else 55 if( (statbuf.st_mode & perm) == perm ) 56 fail = 0; 57 } 58 59 return( fail ); 60 } 61