1 /* keyctl.h: keyctl command IDs
2  *
3  * Copyright (C) 2004, 2008 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 #include <linux/types.h>
16 
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 */
26 
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
37 
38 /* keyctl commands */
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 
64 /* keyctl structures */
65 struct keyctl_dh_params {
66 	__s32 private;
67 	__s32 prime;
68 	__s32 base;
69 };
70 
71 #endif /*  _LINUX_KEYCTL_H */
72