LXR linux/include/linux/nfs4

   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