nfs_idmap.h
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上传日期:2009-04-28
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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 *);
- #endif /* __KERNEL__ */
- #endif /* NFS_IDMAP_H */