Root/fs/nfsd/acl.h

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

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