1 /* keyctl.h: keyctl command IDs
3 * Copyright (C) 2004, 2008 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
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.
12 #ifndef _LINUX_KEYCTL_H
13 #define _LINUX_KEYCTL_H
15 #include <linux/types.h>
17 /* special process keyring shortcut IDs */
18 #define KEY_SPEC_THREAD_KEYRING -1 /* - key ID for thread-specific keyring */
19 #define KEY_SPEC_PROCESS_KEYRING -2 /* - key ID for process-specific keyring */
20 #define KEY_SPEC_SESSION_KEYRING -3 /* - key ID for session-specific keyring */
21 #define KEY_SPEC_USER_KEYRING -4 /* - key ID for UID-specific keyring */
22 #define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */
23 #define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */
24 #define KEY_SPEC_REQKEY_AUTH_KEY -7 /* - key ID for assumed request_key auth key */
25 #define KEY_SPEC_REQUESTOR_KEYRING -8 /* - key ID for request_key() dest keyring */
27 /* request-key default keyrings */
28 #define KEY_REQKEY_DEFL_NO_CHANGE -1
29 #define KEY_REQKEY_DEFL_DEFAULT 0
30 #define KEY_REQKEY_DEFL_THREAD_KEYRING 1
31 #define KEY_REQKEY_DEFL_PROCESS_KEYRING 2
32 #define KEY_REQKEY_DEFL_SESSION_KEYRING 3
33 #define KEY_REQKEY_DEFL_USER_KEYRING 4
34 #define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5
35 #define KEY_REQKEY_DEFL_GROUP_KEYRING 6
36 #define KEY_REQKEY_DEFL_REQUESTOR_KEYRING 7
39 #define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */
40 #define KEYCTL_JOIN_SESSION_KEYRING 1 /* join or start named session keyring */
41 #define KEYCTL_UPDATE 2 /* update a key */
42 #define KEYCTL_REVOKE 3 /* revoke a key */
43 #define KEYCTL_CHOWN 4 /* set ownership of a key */
44 #define KEYCTL_SETPERM 5 /* set perms on a key */
45 #define KEYCTL_DESCRIBE 6 /* describe a key */
46 #define KEYCTL_CLEAR 7 /* clear contents of a keyring */
47 #define KEYCTL_LINK 8 /* link a key into a keyring */
48 #define KEYCTL_UNLINK 9 /* unlink a key from a keyring */
49 #define KEYCTL_SEARCH 10 /* search for a key in a keyring */
50 #define KEYCTL_READ 11 /* read a key or keyring's contents */
51 #define KEYCTL_INSTANTIATE 12 /* instantiate a partially constructed key */
52 #define KEYCTL_NEGATE 13 /* negate a partially constructed key */
53 #define KEYCTL_SET_REQKEY_KEYRING 14 /* set default request-key keyring */
54 #define KEYCTL_SET_TIMEOUT 15 /* set key timeout */
55 #define KEYCTL_ASSUME_AUTHORITY 16 /* assume request_key() authorisation */
56 #define KEYCTL_GET_SECURITY 17 /* get key security label */
57 #define KEYCTL_SESSION_TO_PARENT 18 /* apply session keyring to parent process */
58 #define KEYCTL_REJECT 19 /* reject a partially constructed key */
59 #define KEYCTL_INSTANTIATE_IOV 20 /* instantiate a partially constructed key */
60 #define KEYCTL_INVALIDATE 21 /* invalidate a key */
61 #define KEYCTL_GET_PERSISTENT 22 /* get a user's persistent keyring */
62 #define KEYCTL_DH_COMPUTE 23 /* Compute Diffie-Hellman values */
63 #define KEYCTL_RESTRICT_KEYRING 29 /* Restrict keys allowed to link to a keyring */
65 /* keyctl structures */
66 struct keyctl_dh_params {
72 struct keyctl_kdf_params {
73 char __user *hashname;
74 char __user *otherinfo;
79 #endif /* _LINUX_KEYCTL_H */