/* * 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 nfs_client; int nfs_idmap_new(struct nfs_client *); void nfs_idmap_delete(struct nfs_client *); int nfs_map_name_to_uid(struct nfs_client *, const char *, size_t, __u32 *); int nfs_map_group_to_gid(struct nfs_client *, const char *, size_t, __u32 *); int nfs_map_uid_to_name(struct nfs_client *, __u32, char *); int nfs_map_gid_to_group(struct nfs_client *, __u32, char *); extern unsigned int nfs_idmap_cache_timeout; #endif /* __KERNEL__ */ #endif /* NFS_IDMAP_H */