1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/* System keyring containing trusted public keys.
 3 *
 4 * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved.
 5 * Written by David Howells (dhowells@redhat.com)
 
 
 
 
 
 6 */
 7
 8#ifndef _KEYS_SYSTEM_KEYRING_H
 9#define _KEYS_SYSTEM_KEYRING_H
10
11#include <linux/key.h>
12
13#ifdef CONFIG_SYSTEM_TRUSTED_KEYRING
14
15extern int restrict_link_by_builtin_trusted(struct key *keyring,
16					    const struct key_type *type,
17					    const union key_payload *payload,
18					    struct key *restriction_key);
19
20#else
21#define restrict_link_by_builtin_trusted restrict_link_reject
22#endif
23
24#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
25extern int restrict_link_by_builtin_and_secondary_trusted(
26	struct key *keyring,
27	const struct key_type *type,
28	const union key_payload *payload,
29	struct key *restriction_key);
30#else
31#define restrict_link_by_builtin_and_secondary_trusted restrict_link_by_builtin_trusted
32#endif
33
34#ifdef CONFIG_SYSTEM_BLACKLIST_KEYRING
35extern int mark_hash_blacklisted(const char *hash);
36extern int is_hash_blacklisted(const u8 *hash, size_t hash_len,
37			       const char *type);
38extern int is_binary_blacklisted(const u8 *hash, size_t hash_len);
39#else
40static inline int is_hash_blacklisted(const u8 *hash, size_t hash_len,
41				      const char *type)
42{
43	return 0;
44}
45
46static inline int is_binary_blacklisted(const u8 *hash, size_t hash_len)
47{
48	return 0;
49}
50#endif
51
52#ifdef CONFIG_IMA_BLACKLIST_KEYRING
 
 
 
 
 
 
 
53extern struct key *ima_blacklist_keyring;
54
 
 
 
 
55static inline struct key *get_ima_blacklist_keyring(void)
56{
57	return ima_blacklist_keyring;
58}
59#else
60static inline struct key *get_ima_blacklist_keyring(void)
61{
62	return NULL;
63}
64#endif /* CONFIG_IMA_BLACKLIST_KEYRING */
65
66#if defined(CONFIG_INTEGRITY_PLATFORM_KEYRING) && \
67	defined(CONFIG_SYSTEM_TRUSTED_KEYRING)
68extern void __init set_platform_trusted_keys(struct key *keyring);
69#else
70static inline void set_platform_trusted_keys(struct key *keyring)
71{
 
72}
73#endif
 
74
75#endif /* _KEYS_SYSTEM_KEYRING_H */

 
 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#ifdef CONFIG_SYSTEM_TRUSTED_KEYRING
16
17#include <linux/key.h>
18#include <crypto/public_key.h>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
19
20extern struct key *system_trusted_keyring;
21static inline struct key *get_system_trusted_keyring(void)
 
 
 
 
 
 
22{
23	return system_trusted_keyring;
24}
25#else
26static inline struct key *get_system_trusted_keyring(void)
27{
28	return NULL;
29}
30#endif
31
32#ifdef CONFIG_SYSTEM_DATA_VERIFICATION
33extern int system_verify_data(const void *data, unsigned long len,
34			      const void *raw_pkcs7, size_t pkcs7_len,
35			      enum key_being_used_for usage);
36#endif
37
38#ifdef CONFIG_IMA_MOK_KEYRING
39extern struct key *ima_mok_keyring;
40extern struct key *ima_blacklist_keyring;
41
42static inline struct key *get_ima_mok_keyring(void)
43{
44	return ima_mok_keyring;
45}
46static inline struct key *get_ima_blacklist_keyring(void)
47{
48	return ima_blacklist_keyring;
49}
50#else
51static inline struct key *get_ima_mok_keyring(void)
52{
53	return NULL;
54}
55static inline struct key *get_ima_blacklist_keyring(void)
 
 
 
 
 
 
56{
57	return NULL;
58}
59#endif /* CONFIG_IMA_MOK_KEYRING */
60
61
62#endif /* _KEYS_SYSTEM_KEYRING_H */