93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
#ifndef _FS_CEPH_AUTH_H
|
|
#define _FS_CEPH_AUTH_H
|
|
|
|
#include <linux/ceph/types.h>
|
|
#include <linux/ceph/buffer.h>
|
|
|
|
/*
|
|
* Abstract interface for communicating with the authenticate module.
|
|
* There is some handshake that takes place between us and the monitor
|
|
* to acquire the necessary keys. These are used to generate an
|
|
* 'authorizer' that we use when connecting to a service (mds, osd).
|
|
*/
|
|
|
|
struct ceph_auth_client;
|
|
struct ceph_authorizer;
|
|
|
|
struct ceph_auth_client_ops {
|
|
const char *name;
|
|
|
|
/*
|
|
* true if we are authenticated and can connect to
|
|
* services.
|
|
*/
|
|
int (*is_authenticated)(struct ceph_auth_client *ac);
|
|
|
|
/*
|
|
* true if we should (re)authenticate, e.g., when our tickets
|
|
* are getting old and crusty.
|
|
*/
|
|
int (*should_authenticate)(struct ceph_auth_client *ac);
|
|
|
|
/*
|
|
* build requests and process replies during monitor
|
|
* handshake. if handle_reply returns -EAGAIN, we build
|
|
* another request.
|
|
*/
|
|
int (*build_request)(struct ceph_auth_client *ac, void *buf, void *end);
|
|
int (*handle_reply)(struct ceph_auth_client *ac, int result,
|
|
void *buf, void *end);
|
|
|
|
/*
|
|
* Create authorizer for connecting to a service, and verify
|
|
* the response to authenticate the service.
|
|
*/
|
|
int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type,
|
|
struct ceph_authorizer **a,
|
|
void **buf, size_t *len,
|
|
void **reply_buf, size_t *reply_len);
|
|
int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
|
|
struct ceph_authorizer *a, size_t len);
|
|
void (*destroy_authorizer)(struct ceph_auth_client *ac,
|
|
struct ceph_authorizer *a);
|
|
void (*invalidate_authorizer)(struct ceph_auth_client *ac,
|
|
int peer_type);
|
|
|
|
/* reset when we (re)connect to a monitor */
|
|
void (*reset)(struct ceph_auth_client *ac);
|
|
|
|
void (*destroy)(struct ceph_auth_client *ac);
|
|
};
|
|
|
|
struct ceph_auth_client {
|
|
u32 protocol; /* CEPH_AUTH_* */
|
|
void *private; /* for use by protocol implementation */
|
|
const struct ceph_auth_client_ops *ops; /* null iff protocol==0 */
|
|
|
|
bool negotiating; /* true if negotiating protocol */
|
|
const char *name; /* entity name */
|
|
u64 global_id; /* our unique id in system */
|
|
const struct ceph_crypto_key *key; /* our secret key */
|
|
unsigned want_keys; /* which services we want */
|
|
};
|
|
|
|
extern struct ceph_auth_client *ceph_auth_init(const char *name,
|
|
const struct ceph_crypto_key *key);
|
|
extern void ceph_auth_destroy(struct ceph_auth_client *ac);
|
|
|
|
extern void ceph_auth_reset(struct ceph_auth_client *ac);
|
|
|
|
extern int ceph_auth_build_hello(struct ceph_auth_client *ac,
|
|
void *buf, size_t len);
|
|
extern int ceph_handle_auth_reply(struct ceph_auth_client *ac,
|
|
void *buf, size_t len,
|
|
void *reply_buf, size_t reply_len);
|
|
extern int ceph_entity_name_encode(const char *name, void **p, void *end);
|
|
|
|
extern int ceph_build_auth(struct ceph_auth_client *ac,
|
|
void *msg_buf, size_t msg_len);
|
|
|
|
extern int ceph_auth_is_authenticated(struct ceph_auth_client *ac);
|
|
|
|
#endif
|