/* match a key against a description */
int (*match)(const struct key *key, const void *desc);
+ /* clear some of the data from a key on revokation (optional)
+ * - the key's semaphore will be write-locked by the caller
+ */
+ void (*revoke)(struct key *key);
+
/* clear the data from a key (optional) */
void (*destroy)(struct key *key);
extern struct key *key_alloc(struct key_type *type,
const char *desc,
- uid_t uid, gid_t gid, key_perm_t perm,
- int not_in_quota);
+ uid_t uid, gid_t gid,
+ struct task_struct *ctx,
+ key_perm_t perm, int not_in_quota);
extern int key_payload_reserve(struct key *key, size_t datalen);
extern int key_instantiate_and_link(struct key *key,
const void *data,
struct key *key);
extern struct key *keyring_alloc(const char *description, uid_t uid, gid_t gid,
- int not_in_quota, struct key *dest);
+ struct task_struct *ctx,
+ int not_in_quota,
+ struct key *dest);
extern int keyring_clear(struct key *keyring);
* the userspace interface
*/
extern struct key root_user_keyring, root_session_keyring;
-extern int alloc_uid_keyring(struct user_struct *user);
+extern int alloc_uid_keyring(struct user_struct *user,
+ struct task_struct *ctx);
extern void switch_uid_keyring(struct user_struct *new_user);
extern int copy_keys(unsigned long clone_flags, struct task_struct *tsk);
extern int copy_thread_group_keys(struct task_struct *tsk);
#define make_key_ref(k) ({ NULL; })
#define key_ref_to_ptr(k) ({ NULL; })
#define is_key_possessed(k) 0
-#define alloc_uid_keyring(u) 0
+#define alloc_uid_keyring(u,c) 0
#define switch_uid_keyring(u) do { } while(0)
#define __install_session_keyring(t, k) ({ NULL; })
#define copy_keys(f,t) 0
#define key_fsgid_changed(t) do { } while(0)
#define key_init() do { } while(0)
+/* Initial keyrings */
+extern struct key root_user_keyring;
+extern struct key root_session_keyring;
+
#endif /* CONFIG_KEYS */
#endif /* __KERNEL__ */
#endif /* _LINUX_KEY_H */