a41359fa35
We were only requesting renewal after our tickets expire; do so before that. Most of the low-level logic for this was already there; just use it. Signed-off-by: Sage Weil <sage@newdream.net>
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
#ifndef _FS_CEPH_AUTH_H
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#define _FS_CEPH_AUTH_H
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#include "types.h"
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#include "buffer.h"
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/*
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* Abstract interface for communicating with the authenticate module.
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* There is some handshake that takes place between us and the monitor
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* to acquire the necessary keys. These are used to generate an
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* 'authorizer' that we use when connecting to a service (mds, osd).
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*/
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struct ceph_auth_client;
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struct ceph_authorizer;
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struct ceph_auth_client_ops {
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const char *name;
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/*
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* true if we are authenticated and can connect to
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* services.
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*/
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int (*is_authenticated)(struct ceph_auth_client *ac);
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/*
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* true if we should (re)authenticate, e.g., when our tickets
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* are getting old and crusty.
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*/
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int (*should_authenticate)(struct ceph_auth_client *ac);
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/*
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* build requests and process replies during monitor
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* handshake. if handle_reply returns -EAGAIN, we build
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* another request.
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*/
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int (*build_request)(struct ceph_auth_client *ac, void *buf, void *end);
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int (*handle_reply)(struct ceph_auth_client *ac, int result,
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void *buf, void *end);
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/*
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* Create authorizer for connecting to a service, and verify
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* the response to authenticate the service.
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*/
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int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type,
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struct ceph_authorizer **a,
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void **buf, size_t *len,
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void **reply_buf, size_t *reply_len);
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int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
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struct ceph_authorizer *a, size_t len);
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void (*destroy_authorizer)(struct ceph_auth_client *ac,
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struct ceph_authorizer *a);
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void (*invalidate_authorizer)(struct ceph_auth_client *ac,
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int peer_type);
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/* reset when we (re)connect to a monitor */
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void (*reset)(struct ceph_auth_client *ac);
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void (*destroy)(struct ceph_auth_client *ac);
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};
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struct ceph_auth_client {
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u32 protocol; /* CEPH_AUTH_* */
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void *private; /* for use by protocol implementation */
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const struct ceph_auth_client_ops *ops; /* null iff protocol==0 */
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bool negotiating; /* true if negotiating protocol */
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const char *name; /* entity name */
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u64 global_id; /* our unique id in system */
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const char *secret; /* our secret key */
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unsigned want_keys; /* which services we want */
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};
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extern struct ceph_auth_client *ceph_auth_init(const char *name,
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const char *secret);
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extern void ceph_auth_destroy(struct ceph_auth_client *ac);
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extern void ceph_auth_reset(struct ceph_auth_client *ac);
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extern int ceph_auth_build_hello(struct ceph_auth_client *ac,
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void *buf, size_t len);
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extern int ceph_handle_auth_reply(struct ceph_auth_client *ac,
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void *buf, size_t len,
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void *reply_buf, size_t reply_len);
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extern int ceph_entity_name_encode(const char *name, void **p, void *end);
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extern int ceph_build_auth(struct ceph_auth_client *ac,
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void *msg_buf, size_t msg_len);
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extern int ceph_auth_is_authenticated(struct ceph_auth_client *ac);
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#endif
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