| #ifndef _FS_CEPH_AUTH_X_H | 
 | #define _FS_CEPH_AUTH_X_H | 
 |  | 
 | #include <linux/rbtree.h> | 
 |  | 
 | #include <linux/ceph/auth.h> | 
 |  | 
 | #include "crypto.h" | 
 | #include "auth_x_protocol.h" | 
 |  | 
 | /* | 
 |  * Handle ticket for a single service. | 
 |  */ | 
 | struct ceph_x_ticket_handler { | 
 | 	struct rb_node node; | 
 | 	unsigned service; | 
 |  | 
 | 	struct ceph_crypto_key session_key; | 
 | 	struct ceph_timespec validity; | 
 |  | 
 | 	u64 secret_id; | 
 | 	struct ceph_buffer *ticket_blob; | 
 |  | 
 | 	unsigned long renew_after, expires; | 
 | }; | 
 |  | 
 |  | 
 | struct ceph_x_authorizer { | 
 | 	struct ceph_buffer *buf; | 
 | 	unsigned service; | 
 | 	u64 nonce; | 
 | 	char reply_buf[128];  /* big enough for encrypted blob */ | 
 | }; | 
 |  | 
 | struct ceph_x_info { | 
 | 	struct ceph_crypto_key secret; | 
 |  | 
 | 	bool starting; | 
 | 	u64 server_challenge; | 
 |  | 
 | 	unsigned have_keys; | 
 | 	struct rb_root ticket_handlers; | 
 |  | 
 | 	struct ceph_x_authorizer auth_authorizer; | 
 | }; | 
 |  | 
 | extern int ceph_x_init(struct ceph_auth_client *ac); | 
 |  | 
 | #endif | 
 |  |