/*
* fs / nfs / nfs4idmap . h
*
* UID and GID to name mapping for clients .
*
* Copyright ( c ) 2002 The Regents of the University of Michigan .
* All rights reserved .
*
* Marius Aamodt Eriksen < marius @ umich . edu >
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
*
* 1 . Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* 2 . Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
* 3 . Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED ` ` AS IS ' ' AND ANY EXPRESS OR IMPLIED
* WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED . IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR
* CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO , PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR PROFITS ; OR
* BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING
* NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE .
*/
#ifndef NFS_IDMAP_H
#define NFS_IDMAP_H
#include <linux/uidgid.h>
#include <uapi/linux/nfs_idmap.h>
/* Forward declaration to make this header independent of others */
struct nfs_client;
struct nfs_server;
struct nfs_fattr;
struct nfs4_string;
int nfs_idmap_init(void );
void nfs_idmap_quit(void );
int nfs_idmap_new(struct nfs_client *);
void nfs_idmap_delete(struct nfs_client *);
void nfs_fattr_init_names(struct nfs_fattr *fattr,
struct nfs4_string *owner_name,
struct nfs4_string *group_name);
void nfs_fattr_free_names(struct nfs_fattr *);
void nfs_fattr_map_and_free_names(struct nfs_server *, struct nfs_fattr *);
int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, kuid_t *);
int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, kgid_t *);
int nfs_map_uid_to_name(const struct nfs_server *, kuid_t, char *, size_t);
int nfs_map_gid_to_group(const struct nfs_server *, kgid_t, char *, size_t);
int nfs_map_string_to_numeric(const char *name, size_t namelen, __u32 *res);
extern unsigned int nfs_idmap_cache_timeout;
#endif /* NFS_IDMAP_H */
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