blob: 0d598cd3b5cd7e29a7e574b8e46b5921819972b2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/* keyctl.h: keyctl command IDs
*
* Copyright (C) 2004, 2008 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_KEYCTL_H
#define _LINUX_KEYCTL_H
#include <linux/types.h>
/* special process keyring shortcut IDs */
#define KEY_SPEC_THREAD_KEYRING -1 /* - key ID for thread-specific keyring */
#define KEY_SPEC_PROCESS_KEYRING \
-2 /* - key ID for process-specific keyring \
*/
#define KEY_SPEC_SESSION_KEYRING \
-3 /* - key ID for session-specific keyring \
*/
#define KEY_SPEC_USER_KEYRING -4 /* - key ID for UID-specific keyring */
#define KEY_SPEC_USER_SESSION_KEYRING \
-5 /* - key ID for UID-session keyring \
*/
#define KEY_SPEC_GROUP_KEYRING -6 /* - key ID for GID-specific keyring */
#define KEY_SPEC_REQKEY_AUTH_KEY -7 /* - key ID for assumed request_key auth key */
#define KEY_SPEC_REQUESTOR_KEYRING -8 /* - key ID for request_key() dest keyring */
/* request-key default keyrings */
#define KEY_REQKEY_DEFL_NO_CHANGE -1
#define KEY_REQKEY_DEFL_DEFAULT 0
#define KEY_REQKEY_DEFL_THREAD_KEYRING 1
#define KEY_REQKEY_DEFL_PROCESS_KEYRING 2
#define KEY_REQKEY_DEFL_SESSION_KEYRING 3
#define KEY_REQKEY_DEFL_USER_KEYRING 4
#define KEY_REQKEY_DEFL_USER_SESSION_KEYRING 5
#define KEY_REQKEY_DEFL_GROUP_KEYRING 6
#define KEY_REQKEY_DEFL_REQUESTOR_KEYRING 7
/* keyctl commands */
#define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */
#define KEYCTL_JOIN_SESSION_KEYRING \
1 /* join or start named session keyring \
*/
#define KEYCTL_UPDATE 2 /* update a key */
#define KEYCTL_REVOKE 3 /* revoke a key */
#define KEYCTL_CHOWN 4 /* set ownership of a key */
#define KEYCTL_SETPERM 5 /* set perms on a key */
#define KEYCTL_DESCRIBE 6 /* describe a key */
#define KEYCTL_CLEAR 7 /* clear contents of a keyring */
#define KEYCTL_LINK 8 /* link a key into a keyring */
#define KEYCTL_UNLINK 9 /* unlink a key from a keyring */
#define KEYCTL_SEARCH 10 /* search for a key in a keyring */
#define KEYCTL_READ 11 /* read a key or keyring's contents */
#define KEYCTL_INSTANTIATE 12 /* instantiate a partially constructed key */
#define KEYCTL_NEGATE 13 /* negate a partially constructed key */
#define KEYCTL_SET_REQKEY_KEYRING 14 /* set default request-key keyring */
#define KEYCTL_SET_TIMEOUT 15 /* set key timeout */
#define KEYCTL_ASSUME_AUTHORITY 16 /* assume request_key() authorisation */
#define KEYCTL_GET_SECURITY 17 /* get key security label */
#define KEYCTL_SESSION_TO_PARENT 18 /* apply session keyring to parent process */
#define KEYCTL_REJECT 19 /* reject a partially constructed key */
#define KEYCTL_INSTANTIATE_IOV \
20 /* instantiate a partially constructed key \
*/
#define KEYCTL_INVALIDATE 21 /* invalidate a key */
#define KEYCTL_GET_PERSISTENT 22 /* get a user's persistent keyring */
#define KEYCTL_DH_COMPUTE 23 /* Compute Diffie-Hellman values */
#define KEYCTL_PKEY_QUERY 24 /* Query public key parameters */
#define KEYCTL_PKEY_ENCRYPT 25 /* Encrypt a blob using a public key */
#define KEYCTL_PKEY_DECRYPT 26 /* Decrypt a blob using a public key */
#define KEYCTL_PKEY_SIGN 27 /* Create a public key signature */
#define KEYCTL_PKEY_VERIFY 28 /* Verify a public key signature */
#define KEYCTL_RESTRICT_KEYRING 29 /* Restrict keys allowed to link to a keyring */
#define KEYCTL_MOVE 30 /* Move keys between keyrings */
#define KEYCTL_CAPABILITIES 31 /* Find capabilities of keyrings subsystem */
#define KEYCTL_WATCH_KEY 32 /* Watch a key or ring of keys for changes */
/* keyctl structures */
struct keyctl_dh_params {
union {
#ifndef __cplusplus
__s32 private;
#endif
__s32 priv;
};
__s32 prime;
__s32 base;
};
struct keyctl_kdf_params {
char *hashname;
char *otherinfo;
__u32 otherinfolen;
__u32 __spare[8];
};
#define KEYCTL_SUPPORTS_ENCRYPT 0x01
#define KEYCTL_SUPPORTS_DECRYPT 0x02
#define KEYCTL_SUPPORTS_SIGN 0x04
#define KEYCTL_SUPPORTS_VERIFY 0x08
struct keyctl_pkey_query {
__u32 supported_ops; /* Which ops are supported */
__u32 key_size; /* Size of the key in bits */
__u16 max_data_size; /* Maximum size of raw data to sign in bytes */
__u16 max_sig_size; /* Maximum size of signature in bytes */
__u16 max_enc_size; /* Maximum size of encrypted blob in bytes */
__u16 max_dec_size; /* Maximum size of decrypted blob in bytes */
__u32 __spare[10];
};
struct keyctl_pkey_params {
__s32 key_id; /* Serial no. of public key to use */
__u32 in_len; /* Input data size */
union {
__u32 out_len; /* Output buffer size (encrypt/decrypt/sign) */
__u32 in2_len; /* 2nd input data size (verify) */
};
__u32 __spare[7];
};
#define KEYCTL_MOVE_EXCL 0x00000001 /* Do not displace from the to-keyring */
/*
* Capabilities flags. The capabilities list is an array of 8-bit integers;
* each integer can carry up to 8 flags.
*/
#define KEYCTL_CAPS0_CAPABILITIES 0x01 /* KEYCTL_CAPABILITIES supported */
#define KEYCTL_CAPS0_PERSISTENT_KEYRINGS \
0x02 /* Persistent keyrings enabled \
*/
#define KEYCTL_CAPS0_DIFFIE_HELLMAN 0x04 /* Diffie-Hellman computation enabled */
#define KEYCTL_CAPS0_PUBLIC_KEY 0x08 /* Public key ops enabled */
#define KEYCTL_CAPS0_BIG_KEY 0x10 /* big_key-type enabled */
#define KEYCTL_CAPS0_INVALIDATE 0x20 /* KEYCTL_INVALIDATE supported */
#define KEYCTL_CAPS0_RESTRICT_KEYRING 0x40 /* KEYCTL_RESTRICT_KEYRING supported */
#define KEYCTL_CAPS0_MOVE 0x80 /* KEYCTL_MOVE supported */
#define KEYCTL_CAPS1_NS_KEYRING_NAME 0x01 /* Keyring names are per-user_namespace */
#define KEYCTL_CAPS1_NS_KEY_TAG 0x02 /* Key indexing can include a namespace tag */
#define KEYCTL_CAPS1_NOTIFICATIONS 0x04 /* Keys generate watchable notifications */
#endif /* _LINUX_KEYCTL_H */
|
