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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
19extern int restrict_link_by_builtin_trusted(struct key *keyring,
20 const struct key_type *type,
21 const union key_payload *payload);
22
23#else
24#define restrict_link_by_builtin_trusted restrict_link_reject
25#endif
26
27#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
28extern int restrict_link_by_builtin_and_secondary_trusted(
29 struct key *keyring,
30 const struct key_type *type,
31 const union key_payload *payload);
32#else
33#define restrict_link_by_builtin_and_secondary_trusted restrict_link_by_builtin_trusted
34#endif
35
36#ifdef CONFIG_IMA_BLACKLIST_KEYRING
37extern struct key *ima_blacklist_keyring;
38
39static inline struct key *get_ima_blacklist_keyring(void)
40{
41 return ima_blacklist_keyring;
42}
43#else
44static inline struct key *get_ima_blacklist_keyring(void)
45{
46 return NULL;
47}
48#endif /* CONFIG_IMA_BLACKLIST_KEYRING */
49
50
51#endif /* _KEYS_SYSTEM_KEYRING_H */