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/*
* include/linux/nfs_idmap.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
/* XXX from bits/utmp.h */
#define IDMAP_NAMESZ 128
#define IDMAP_TYPE_USER 0
#define IDMAP_TYPE_GROUP 1
#define IDMAP_CONV_IDTONAME 0
#define IDMAP_CONV_NAMETOID 1
#define IDMAP_STATUS_INVALIDMSG 0x01
#define IDMAP_STATUS_AGAIN 0x02
#define IDMAP_STATUS_LOOKUPFAIL 0x04
#define IDMAP_STATUS_SUCCESS 0x08
struct idmap_msg {
__u8 im_type;
__u8 im_conv;
char im_name[IDMAP_NAMESZ];
__u32 im_id;
__u8 im_status;
};
#ifdef __KERNEL__
/* Forward declaration to make this header independent of others */
struct nfs4_client;
void nfs_idmap_new(struct nfs4_client *);
void nfs_idmap_delete(struct nfs4_client *);
int nfs_map_name_to_uid(struct nfs4_client *, const char *, size_t, __u32 *);
int nfs_map_group_to_gid(struct nfs4_client *, const char *, size_t, __u32 *);
int nfs_map_uid_to_name(struct nfs4_client *, __u32, char *);
int nfs_map_gid_to_group(struct nfs4_client *, __u32, char *);
extern unsigned int nfs_idmap_cache_timeout;
#endif /* __KERNEL__ */
#endif /* NFS_IDMAP_H */
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