Return to mac_xfs.c CVS log

Up to [Development] / xfs-linux-nodel

Mandatory access control support for XFS.

/*
 * Copyright 1992, Silicon Graphics, Inc. 
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
 * the contents of this file may not be disclosed to third parties, copied or 
 * duplicated in any form, in whole or in part, without the prior written 
 * permission of Silicon Graphics, Inc.
 *
 * RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to restrictions 
 * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
 * and Computer Software clause at DFARS 252.227-7013, and/or in similar or 
 * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished - 
 * rights reserved under the Copyright Laws of the United States.
 */
#ident	"$Revision: 1.1 $"

#include <sys/types.h>
#include <sys/param.h>
#include <sys/vnode.h>
#include <sys/errno.h>
#include <sys/debug.h>
#include <sys/cmn_err.h>
#include <sys/mac_label.h>
#include <sys/systm.h>
#include <sys/attributes.h>
#include <sys/uuid.h>
#include "xfs_types.h"
#include "xfs_inum.h"
#include "xfs_log.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_alloc_btree.h"
#include "xfs_bmap_btree.h"
#include "xfs_ialloc_btree.h"
#include "xfs_itable.h"
#include "xfs_btree.h"
#include "xfs_ialloc.h"
#include "xfs_alloc.h"
#include "xfs_bmap.h"
#include "xfs_attr_sf.h"
#include "xfs_dir_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode_item.h"
#include "xfs_inode.h"
#include "xfs_da_btree.h"
#include "xfs_attr.h"

int
mac_xfs_iaccess( xfs_inode_t *ip, mode_t mode, struct cred *cr )
{
	struct mac_label mac;
	struct mac_label *mp;

	/*
	 * If the file has no MAC label return error
	 */
	if (xfs_attr_fetch(ip, SGI_MAC_FILE, (char *)&mac,
	    sizeof(struct mac_label)))
		return EACCES;

	if ((mp = mac_add_label(&mac)) == NULL)
		return EACCES;

	return mac_access(mp, cr, mode);
}