1 /* System keyring containing trusted public keys.
2 *
3 * Copyright (C) 2013 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 Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12 #ifndef _KEYS_SYSTEM_KEYRING_H
13 #define _KEYS_SYSTEM_KEYRING_H
14
15 #include <linux/key.h>
16
17 #ifdef CONFIG_SYSTEM_TRUSTED_KEYRING
18
19 extern int restrict_link_by_builtin_trusted(struct key *keyring,
20 const struct key_type *type,
21 const union key_payload *payload,
22 struct key *restriction_key);
23
24 #else
25 #define restrict_link_by_builtin_trusted restrict_link_reject
26 #endif
27
28 #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
29 extern int restrict_link_by_builtin_and_secondary_trusted(
30 struct key *keyring,
31 const struct key_type *type,
32 const union key_payload *payload,
33 struct key *restriction_key);
34 #else
35 #define restrict_link_by_builtin_and_secondary_trusted restrict_link_by_builtin_trusted
36 #endif
37
38 #ifdef CONFIG_SYSTEM_BLACKLIST_KEYRING
39 extern int mark_hash_blacklisted(const char *hash);
40 extern int is_hash_blacklisted(const u8 *hash, size_t hash_len,
41 const char *type);
42 #else
is_hash_blacklisted(const u8 * hash,size_t hash_len,const char * type)43 static inline int is_hash_blacklisted(const u8 *hash, size_t hash_len,
44 const char *type)
45 {
46 return 0;
47 }
48 #endif
49
50 #ifdef CONFIG_IMA_BLACKLIST_KEYRING
51 extern struct key *ima_blacklist_keyring;
52
get_ima_blacklist_keyring(void)53 static inline struct key *get_ima_blacklist_keyring(void)
54 {
55 return ima_blacklist_keyring;
56 }
57 #else
get_ima_blacklist_keyring(void)58 static inline struct key *get_ima_blacklist_keyring(void)
59 {
60 return NULL;
61 }
62 #endif /* CONFIG_IMA_BLACKLIST_KEYRING */
63
64
65 #endif /* _KEYS_SYSTEM_KEYRING_H */
66