include/linux/nfs4_acl.h

   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
  46 struct nfs4_acl *nfs4_acl_new(int);
  47 void nfs4_acl_add_ace(struct nfs4_acl *, u32, u32, u32, int, uid_t);
  48 int nfs4_acl_get_whotype(char *, u32);
  49 int nfs4_acl_write_who(int who, char *p);
  50 int nfs4_acl_permission(struct nfs4_acl *acl, uid_t owner, gid_t group,
  51                                         uid_t who, u32 mask);
  52
  53 #define NFS4_ACL_TYPE_DEFAULT   0x01
  54 #define NFS4_ACL_DIR            0x02
  55 #define NFS4_ACL_OWNER          0x04
  56
  57 struct nfs4_acl *nfs4_acl_posix_to_nfsv4(struct posix_acl *,
  58                                 struct posix_acl *, unsigned int flags);
  59 int nfs4_acl_nfsv4_to_posix(struct nfs4_acl *, struct posix_acl **,
  60                                 struct posix_acl **, unsigned int flags);
  61
  62 #endif /* LINUX_NFS4_ACL_H */