LXR linux/fs/nfsd/idmap.h

   1/*
   2 *  Mapping of UID to name and vice versa.
   3 *
   4 *  Copyright (c) 2002, 2003 The Regents of the University of
   5 *  Michigan.  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_NFSD_IDMAP_H
  36#define LINUX_NFSD_IDMAP_H
  37
  38#include <linux/in.h>
  39#include <linux/sunrpc/svc.h>
  40#include <linux/nfs_idmap.h>
  41
  42#ifdef CONFIG_NFSD_V4
  43int nfsd_idmap_init(struct net *);
  44void nfsd_idmap_shutdown(struct net *);
  45#else
  46static inline int nfsd_idmap_init(struct net *net)
  47{
  48        return 0;
  49}
  50static inline void nfsd_idmap_shutdown(struct net *net)
  51{
  52}
  53#endif
  54
  55__be32 nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, kuid_t *);
  56__be32 nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, kgid_t *);
  57__be32 nfsd4_encode_user(struct xdr_stream *, struct svc_rqst *, kuid_t);
  58__be32 nfsd4_encode_group(struct xdr_stream *, struct svc_rqst *, kgid_t);
  59
  60#endif /* LINUX_NFSD_IDMAP_H */
  61