nfsd: take file and mnt write in nfs4_upgrade_open
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / keyctl.h
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1da177e4
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1/* keyctl.h: keyctl command IDs
2 *
3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _LINUX_KEYCTL_H
13#define _LINUX_KEYCTL_H
14
15/* special process keyring shortcut IDs */
16#define KEY_SPEC_THREAD_KEYRING -1 /* - key ID for thread-specific keyring */
17#define KEY_SPEC_PROCESS_KEYRING -2 /* - key ID for process-specific keyring */
18#define KEY_SPEC_SESSION_KEYRING -3 /* - key ID for session-specific keyring */
19#define KEY_SPEC_USER_KEYRING -4 /* - key ID for UID-specific keyring */
20#define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */
21#define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */
b5f545c8 22#define KEY_SPEC_REQKEY_AUTH_KEY -7 /* - key ID for assumed request_key auth key */
1da177e4 23
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24/* request-key default keyrings */
25#define KEY_REQKEY_DEFL_NO_CHANGE -1
26#define KEY_REQKEY_DEFL_DEFAULT 0
27#define KEY_REQKEY_DEFL_THREAD_KEYRING 1
28#define KEY_REQKEY_DEFL_PROCESS_KEYRING 2
29#define KEY_REQKEY_DEFL_SESSION_KEYRING 3
30#define KEY_REQKEY_DEFL_USER_KEYRING 4
31#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5
32#define KEY_REQKEY_DEFL_GROUP_KEYRING 6
33
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34/* keyctl commands */
35#define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */
36#define KEYCTL_JOIN_SESSION_KEYRING 1 /* join or start named session keyring */
37#define KEYCTL_UPDATE 2 /* update a key */
38#define KEYCTL_REVOKE 3 /* revoke a key */
39#define KEYCTL_CHOWN 4 /* set ownership of a key */
40#define KEYCTL_SETPERM 5 /* set perms on a key */
41#define KEYCTL_DESCRIBE 6 /* describe a key */
42#define KEYCTL_CLEAR 7 /* clear contents of a keyring */
43#define KEYCTL_LINK 8 /* link a key into a keyring */
44#define KEYCTL_UNLINK 9 /* unlink a key from a keyring */
45#define KEYCTL_SEARCH 10 /* search for a key in a keyring */
46#define KEYCTL_READ 11 /* read a key or keyring's contents */
47#define KEYCTL_INSTANTIATE 12 /* instantiate a partially constructed key */
48#define KEYCTL_NEGATE 13 /* negate a partially constructed key */
3e30148c 49#define KEYCTL_SET_REQKEY_KEYRING 14 /* set default request-key keyring */
017679c4 50#define KEYCTL_SET_TIMEOUT 15 /* set key timeout */
b5f545c8 51#define KEYCTL_ASSUME_AUTHORITY 16 /* assume request_key() authorisation */
70a5bb72 52#define KEYCTL_GET_SECURITY 17 /* get key security label */
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53
54#endif /* _LINUX_KEYCTL_H */