1/*
2 * security.h - Exports for handling security/ACLs in NTFS.
3 *              Originated from the Linux-NTFS project.
4 *
5 * Copyright (c) 2004      Anton Altaparmakov
6 * Copyright (c) 2005-2006 Szabolcs Szakacsits
7 *
8 * This program/include file is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as published
10 * by the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program/include file is distributed in the hope that it will be
14 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program (in the main directory of the NTFS-3G
20 * distribution in the file COPYING); if not, write to the Free Software
21 * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22 */
23
24#ifndef _NTFS_SECURITY_H
25#define _NTFS_SECURITY_H
26
27#include "types.h"
28#include "layout.h"
29#include "inode.h"
30
31extern const GUID *const zero_guid;
32
33extern BOOL ntfs_guid_is_zero(const GUID *guid);
34extern char *ntfs_guid_to_mbs(const GUID *guid, char *guid_str);
35
36/**
37 * ntfs_sid_is_valid - determine if a SID is valid
38 * @sid:	SID for which to determine if it is valid
39 *
40 * Determine if the SID pointed to by @sid is valid.
41 *
42 * Return TRUE if it is valid and FALSE otherwise.
43 */
44static __inline__ BOOL ntfs_sid_is_valid(const SID *sid)
45{
46	if (!sid || sid->revision != SID_REVISION ||
47			sid->sub_authority_count > SID_MAX_SUB_AUTHORITIES)
48		return FALSE;
49	return TRUE;
50}
51
52extern int ntfs_sid_to_mbs_size(const SID *sid);
53extern char *ntfs_sid_to_mbs(const SID *sid, char *sid_str,
54		size_t sid_str_size);
55extern void ntfs_generate_guid(GUID *guid);
56extern int ntfs_sd_add_everyone(ntfs_inode *ni);
57
58extern le32 ntfs_security_hash(const SECURITY_DESCRIPTOR_RELATIVE *sd,
59			       const u32 len);
60
61#endif /* defined _NTFS_SECURITY_H */
62