LXR linux/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