1*40c64c26SAnna Schumaker /* 2*40c64c26SAnna Schumaker * fs/nfs/nfs4idmap.h 3*40c64c26SAnna Schumaker * 4*40c64c26SAnna Schumaker * UID and GID to name mapping for clients. 5*40c64c26SAnna Schumaker * 6*40c64c26SAnna Schumaker * Copyright (c) 2002 The Regents of the University of Michigan. 7*40c64c26SAnna Schumaker * All rights reserved. 8*40c64c26SAnna Schumaker * 9*40c64c26SAnna Schumaker * Marius Aamodt Eriksen <marius@umich.edu> 10*40c64c26SAnna Schumaker * 11*40c64c26SAnna Schumaker * Redistribution and use in source and binary forms, with or without 12*40c64c26SAnna Schumaker * modification, are permitted provided that the following conditions 13*40c64c26SAnna Schumaker * are met: 14*40c64c26SAnna Schumaker * 15*40c64c26SAnna Schumaker * 1. Redistributions of source code must retain the above copyright 16*40c64c26SAnna Schumaker * notice, this list of conditions and the following disclaimer. 17*40c64c26SAnna Schumaker * 2. Redistributions in binary form must reproduce the above copyright 18*40c64c26SAnna Schumaker * notice, this list of conditions and the following disclaimer in the 19*40c64c26SAnna Schumaker * documentation and/or other materials provided with the distribution. 20*40c64c26SAnna Schumaker * 3. Neither the name of the University nor the names of its 21*40c64c26SAnna Schumaker * contributors may be used to endorse or promote products derived 22*40c64c26SAnna Schumaker * from this software without specific prior written permission. 23*40c64c26SAnna Schumaker * 24*40c64c26SAnna Schumaker * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 25*40c64c26SAnna Schumaker * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 26*40c64c26SAnna Schumaker * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27*40c64c26SAnna Schumaker * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28*40c64c26SAnna Schumaker * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29*40c64c26SAnna Schumaker * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30*40c64c26SAnna Schumaker * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31*40c64c26SAnna Schumaker * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 32*40c64c26SAnna Schumaker * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 33*40c64c26SAnna Schumaker * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 34*40c64c26SAnna Schumaker * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35*40c64c26SAnna Schumaker */ 36*40c64c26SAnna Schumaker #ifndef NFS_IDMAP_H 37*40c64c26SAnna Schumaker #define NFS_IDMAP_H 38*40c64c26SAnna Schumaker 39*40c64c26SAnna Schumaker #include <linux/uidgid.h> 40*40c64c26SAnna Schumaker #include <uapi/linux/nfs_idmap.h> 41*40c64c26SAnna Schumaker 42*40c64c26SAnna Schumaker 43*40c64c26SAnna Schumaker /* Forward declaration to make this header independent of others */ 44*40c64c26SAnna Schumaker struct nfs_client; 45*40c64c26SAnna Schumaker struct nfs_server; 46*40c64c26SAnna Schumaker struct nfs_fattr; 47*40c64c26SAnna Schumaker struct nfs4_string; 48*40c64c26SAnna Schumaker 49*40c64c26SAnna Schumaker int nfs_idmap_init(void); 50*40c64c26SAnna Schumaker void nfs_idmap_quit(void); 51*40c64c26SAnna Schumaker int nfs_idmap_new(struct nfs_client *); 52*40c64c26SAnna Schumaker void nfs_idmap_delete(struct nfs_client *); 53*40c64c26SAnna Schumaker 54*40c64c26SAnna Schumaker void nfs_fattr_init_names(struct nfs_fattr *fattr, 55*40c64c26SAnna Schumaker struct nfs4_string *owner_name, 56*40c64c26SAnna Schumaker struct nfs4_string *group_name); 57*40c64c26SAnna Schumaker void nfs_fattr_free_names(struct nfs_fattr *); 58*40c64c26SAnna Schumaker void nfs_fattr_map_and_free_names(struct nfs_server *, struct nfs_fattr *); 59*40c64c26SAnna Schumaker 60*40c64c26SAnna Schumaker int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, kuid_t *); 61*40c64c26SAnna Schumaker int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, kgid_t *); 62*40c64c26SAnna Schumaker int nfs_map_uid_to_name(const struct nfs_server *, kuid_t, char *, size_t); 63*40c64c26SAnna Schumaker int nfs_map_gid_to_group(const struct nfs_server *, kgid_t, char *, size_t); 64*40c64c26SAnna Schumaker 65*40c64c26SAnna Schumaker int nfs_map_string_to_numeric(const char *name, size_t namelen, __u32 *res); 66*40c64c26SAnna Schumaker 67*40c64c26SAnna Schumaker extern unsigned int nfs_idmap_cache_timeout; 68*40c64c26SAnna Schumaker #endif /* NFS_IDMAP_H */ 69