nfs_idmap.rar_idmap

/* * 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 #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; #if IS_ENABLED(CONFIG_NFS_V4) int nfs_idmap_init(void); void nfs_idmap_quit(void); #else static inline int nfs_idmap_init(void) { return 0; } static inline void nfs_idmap_quit(void) {} #endif 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); extern unsigned int nfs_idmap_cache_timeout; #endif /* NFS_IDMAP_H */