include/keys/system_keyring.h

Source file repositories/reference/linux-study-clean/include/keys/system_keyring.h

File Facts

System
Linux kernel
Corpus path
include/keys/system_keyring.h
Extension
.h
Size
3899 bytes
Lines
134
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _KEYS_SYSTEM_KEYRING_H
#define _KEYS_SYSTEM_KEYRING_H

#include <linux/key.h>

enum blacklist_hash_type {
	/* TBSCertificate hash */
	BLACKLIST_HASH_X509_TBS = 1,
	/* Raw data hash */
	BLACKLIST_HASH_BINARY = 2,
};

#ifdef CONFIG_SYSTEM_TRUSTED_KEYRING

extern int restrict_link_by_builtin_trusted(struct key *keyring,
					    const struct key_type *type,
					    const union key_payload *payload,
					    struct key *restriction_key);
int restrict_link_by_digsig_builtin(struct key *dest_keyring,
				    const struct key_type *type,
				    const union key_payload *payload,
				    struct key *restriction_key);
extern __init int load_module_cert(struct key *keyring);

#else
#define restrict_link_by_builtin_trusted restrict_link_reject
#define restrict_link_by_digsig_builtin restrict_link_reject

static inline __init int load_module_cert(struct key *keyring)
{
	return 0;
}

#endif

#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING
extern int restrict_link_by_builtin_and_secondary_trusted(
	struct key *keyring,
	const struct key_type *type,
	const union key_payload *payload,
	struct key *restriction_key);
int restrict_link_by_digsig_builtin_and_secondary(struct key *keyring,
						  const struct key_type *type,
						  const union key_payload *payload,
						  struct key *restriction_key);
void __init add_to_secondary_keyring(const char *source, const void *data, size_t len);
#else
#define restrict_link_by_builtin_and_secondary_trusted restrict_link_by_builtin_trusted
#define restrict_link_by_digsig_builtin_and_secondary restrict_link_by_digsig_builtin
static inline void __init add_to_secondary_keyring(const char *source, const void *data, size_t len)
{
}
#endif

#ifdef CONFIG_INTEGRITY_MACHINE_KEYRING
extern int restrict_link_by_builtin_secondary_and_machine(
	struct key *dest_keyring,
	const struct key_type *type,
	const union key_payload *payload,
	struct key *restrict_key);
extern void __init set_machine_trusted_keys(struct key *keyring);
#else
#define restrict_link_by_builtin_secondary_and_machine restrict_link_by_builtin_trusted
static inline void __init set_machine_trusted_keys(struct key *keyring)
{
}
#endif

#ifdef CONFIG_SYSTEM_BLACKLIST_KEYRING
extern int mark_hash_blacklisted(const u8 *hash, size_t hash_len,
			       enum blacklist_hash_type hash_type);
extern int is_hash_blacklisted(const u8 *hash, size_t hash_len,
			       enum blacklist_hash_type hash_type);
extern int is_binary_blacklisted(const u8 *hash, size_t hash_len);
#else
static inline int is_hash_blacklisted(const u8 *hash, size_t hash_len,
				      enum blacklist_hash_type hash_type)
{
	return 0;
}

static inline int is_binary_blacklisted(const u8 *hash, size_t hash_len)
{
	return 0;
}
#endif

struct pkcs7_message;
#ifdef CONFIG_SYSTEM_REVOCATION_LIST
extern int add_key_to_revocation_list(const char *data, size_t size);

Annotation

Implementation Notes