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