diff options
Diffstat (limited to 'include/linux/key.h')
| -rw-r--r-- | include/linux/key.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/key.h b/include/linux/key.h index 96933b1e5d2..4cd22ed627e 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -124,7 +124,10 @@ static inline unsigned long is_key_possessed(const key_ref_t key_ref) struct key { atomic_t usage; /* number of references */ key_serial_t serial; /* key serial number */ - struct rb_node serial_node; + union { + struct list_head graveyard_link; + struct rb_node serial_node; + }; struct key_type *type; /* type of key */ struct rw_semaphore sem; /* change vs change sem */ struct key_user *user; /* owner of this key */ @@ -133,6 +136,7 @@ struct key { time_t expiry; /* time at which key expires (or 0) */ time_t revoked_at; /* time at which key was revoked */ }; + time_t last_used_at; /* last time used for LRU keyring discard */ uid_t uid; gid_t gid; key_perm_t perm; /* access permissions */ @@ -156,6 +160,7 @@ struct key { #define KEY_FLAG_USER_CONSTRUCT 4 /* set if key is being constructed in userspace */ #define KEY_FLAG_NEGATIVE 5 /* set if key is negative */ #define KEY_FLAG_ROOT_CAN_CLEAR 6 /* set if key can be cleared by root without permission */ +#define KEY_FLAG_INVALIDATED 7 /* set if key has been invalidated */ /* the description string * - this is used to match a key against search criteria @@ -199,6 +204,7 @@ extern struct key *key_alloc(struct key_type *type, #define KEY_ALLOC_NOT_IN_QUOTA 0x0002 /* not in quota */ extern void key_revoke(struct key *key); +extern void key_invalidate(struct key *key); extern void key_put(struct key *key); static inline struct key *key_get(struct key *key) @@ -236,7 +242,7 @@ extern struct key *request_key_async_with_auxdata(struct key_type *type, extern int wait_for_key_construction(struct key *key, bool intr); -extern int key_validate(struct key *key); +extern int key_validate(const struct key *key); extern key_ref_t key_create_or_update(key_ref_t keyring, const char *type, @@ -302,9 +308,6 @@ static inline bool key_is_instantiated(const struct key *key) #ifdef CONFIG_SYSCTL extern ctl_table key_sysctls[]; #endif - -extern void key_replace_session_keyring(void); - /* * the userspace interface */ @@ -319,6 +322,7 @@ extern void key_init(void); #define key_serial(k) 0 #define key_get(k) ({ NULL; }) #define key_revoke(k) do { } while(0) +#define key_invalidate(k) do { } while(0) #define key_put(k) do { } while(0) #define key_ref_put(k) do { } while(0) #define make_key_ref(k, p) NULL @@ -327,7 +331,6 @@ extern void key_init(void); #define key_fsuid_changed(t) do { } while(0) #define key_fsgid_changed(t) do { } while(0) #define key_init() do { } while(0) -#define key_replace_session_keyring() do { } while(0) #endif /* CONFIG_KEYS */ #endif /* __KERNEL__ */ |