| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/linux/nfs_idmap.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 | |
| 37 | #ifndef NFS_IDMAP_H |
| 38 | #define NFS_IDMAP_H |
| 39 | |
| 40 | /* XXX from bits/utmp.h */ |
| 41 | #define IDMAP_NAMESZ 128 |
| 42 | |
| 43 | #define IDMAP_TYPE_USER 0 |
| 44 | #define IDMAP_TYPE_GROUP 1 |
| 45 | |
| 46 | #define IDMAP_CONV_IDTONAME 0 |
| 47 | #define IDMAP_CONV_NAMETOID 1 |
| 48 | |
| 49 | #define IDMAP_STATUS_INVALIDMSG 0x01 |
| 50 | #define IDMAP_STATUS_AGAIN 0x02 |
| 51 | #define IDMAP_STATUS_LOOKUPFAIL 0x04 |
| 52 | #define IDMAP_STATUS_SUCCESS 0x08 |
| 53 | |
| 54 | struct idmap_msg { |
| 55 | __u8 im_type; |
| 56 | __u8 im_conv; |
| 57 | char im_name[IDMAP_NAMESZ]; |
| 58 | __u32 im_id; |
| 59 | __u8 im_status; |
| 60 | }; |
| 61 | |
| 62 | #ifdef __KERNEL__ |
| 63 | |
| 64 | /* Forward declaration to make this header independent of others */ |
| 65 | struct nfs4_client; |
| 66 | |
| 67 | void nfs_idmap_new(struct nfs4_client *); |
| 68 | void nfs_idmap_delete(struct nfs4_client *); |
| 69 | |
| 70 | int nfs_map_name_to_uid(struct nfs4_client *, const char *, size_t, __u32 *); |
| 71 | int nfs_map_group_to_gid(struct nfs4_client *, const char *, size_t, __u32 *); |
| 72 | int nfs_map_uid_to_name(struct nfs4_client *, __u32, char *); |
| 73 | int nfs_map_gid_to_group(struct nfs4_client *, __u32, char *); |
| 74 | #endif /* __KERNEL__ */ |
| 75 | |
| 76 | #endif /* NFS_IDMAP_H */ |