81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * include/linux/nfs_idmap.h
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 *
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 *  UID and GID to name mapping for clients.
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 *
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 *  Copyright (c) 2002 The Regents of the University of Michigan.
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 *  All rights reserved.
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 *
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 *  Marius Aamodt Eriksen <marius@umich.edu>
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 *
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 *  Redistribution and use in source and binary forms, with or without
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 *  modification, are permitted provided that the following conditions
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 *  are met:
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 *
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 *  1. Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *  2. Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *  3. Neither the name of the University nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef NFS_IDMAP_H
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#define NFS_IDMAP_H
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#include <linux/types.h>
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/* XXX from bits/utmp.h  */
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#define IDMAP_NAMESZ  128
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#define IDMAP_TYPE_USER  0
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#define IDMAP_TYPE_GROUP 1
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#define IDMAP_CONV_IDTONAME 0
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#define IDMAP_CONV_NAMETOID 1
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#define IDMAP_STATUS_INVALIDMSG 0x01
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#define IDMAP_STATUS_AGAIN      0x02
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#define IDMAP_STATUS_LOOKUPFAIL 0x04
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#define IDMAP_STATUS_SUCCESS    0x08
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struct idmap_msg {
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	__u8  im_type;
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	__u8  im_conv;
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	char  im_name[IDMAP_NAMESZ];
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	__u32 im_id;
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	__u8  im_status;
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};
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#ifdef __KERNEL__
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/* Forward declaration to make this header independent of others */
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struct nfs_client;
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int nfs_idmap_new(struct nfs_client *);
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void nfs_idmap_delete(struct nfs_client *);
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int nfs_map_name_to_uid(struct nfs_client *, const char *, size_t, __u32 *);
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int nfs_map_group_to_gid(struct nfs_client *, const char *, size_t, __u32 *);
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int nfs_map_uid_to_name(struct nfs_client *, __u32, char *);
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int nfs_map_gid_to_group(struct nfs_client *, __u32, char *);
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extern unsigned int nfs_idmap_cache_timeout;
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#endif /* __KERNEL__ */
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#endif /* NFS_IDMAP_H */
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