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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 | ||
19 | extern 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 | |
28 | extern 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 | |
37 | extern struct key *ima_blacklist_keyring; | |
38 | ||
39 | static inline struct key *get_ima_blacklist_keyring(void) | |
40 | { | |
41 | return ima_blacklist_keyring; | |
42 | } | |
43 | #else | |
44 | static 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 */ |