2 * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
35 static xfs_mac_label_t *mac_low_high_lp;
36 static xfs_mac_label_t *mac_high_low_lp;
37 static xfs_mac_label_t *mac_admin_high_lp;
38 static xfs_mac_label_t *mac_equal_equal_lp;
41 * Test for the existence of a MAC label as efficiently as possible.
48 int len = sizeof(xfs_mac_label_t);
49 int flags = ATTR_KERNOVAL|ATTR_ROOT;
51 VOP_ATTR_GET(vp, SGI_MAC_FILE, NULL, &len, flags, sys_cred, error);
56 xfs_mac_iaccess(xfs_inode_t *ip, mode_t mode, struct cred *cr)
59 xfs_mac_label_t *mp = mac_high_low_lp;
61 if (cr == NULL || sys_cred == NULL ) {
65 if (xfs_attr_fetch(ip, SGI_MAC_FILE, (char *)&mac, sizeof(mac)) == 0) {
66 if ((mp = mac_add_label(&mac)) == NULL) {
67 return mac_access(mac_high_low_lp, cr, mode);
71 return mac_access(mp, cr, mode);