1/*
2 *  include/linux/nfs4_acl.c
3 *
4 *  Common NFSv4 ACL handling definitions.
5 *
6 *  Copyright (c) 2002 The Regents of the University of Michigan.
7 *  All rights reserved.
8 *
9 *  Marius Aamodt Eriksen <marius@umich.edu>
10 *
11 *  Redistribution and use in source and binary forms, with or without
12 *  modification, are permitted provided that the following conditions
13 *  are met:
14 *
15 *  1. Redistributions of source code must retain the above copyright
16 *     notice, this list of conditions and the following disclaimer.
17 *  2. Redistributions in binary form must reproduce the above copyright
18 *     notice, this list of conditions and the following disclaimer in the
19 *     documentation and/or other materials provided with the distribution.
20 *  3. Neither the name of the University nor the names of its
21 *     contributors may be used to endorse or promote products derived
22 *     from this software without specific prior written permission.
23 *
24 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
25 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#ifndef LINUX_NFS4_ACL_H
38#define LINUX_NFS4_ACL_H
39
40#include <linux/posix_acl.h>
41
42/* Maximum ACL we'll accept from client; chosen (somewhat arbitrarily) to
43 * fit in a page: */
44#define NFS4_ACL_MAX 170
45
46struct nfs4_acl *nfs4_acl_new(int);
47int nfs4_acl_get_whotype(char *, u32);
48int nfs4_acl_write_who(int who, char *p);
49int nfs4_acl_permission(struct nfs4_acl *acl, uid_t owner, gid_t group,
50		                        uid_t who, u32 mask);
51
52#define NFS4_ACL_TYPE_DEFAULT	0x01
53#define NFS4_ACL_DIR		0x02
54#define NFS4_ACL_OWNER		0x04
55
56struct nfs4_acl *nfs4_acl_posix_to_nfsv4(struct posix_acl *,
57				struct posix_acl *, unsigned int flags);
58int nfs4_acl_nfsv4_to_posix(struct nfs4_acl *, struct posix_acl **,
59				struct posix_acl **, unsigned int flags);
60
61#endif /* LINUX_NFS4_ACL_H */
62