2 #include "ceph_debug.h"
5 #include <linux/module.h>
6 #include <linux/random.h>
7 #include <linux/slab.h>
13 static void reset(struct ceph_auth_client
*ac
)
15 struct ceph_auth_none_info
*xi
= ac
->private;
18 xi
->built_authorizer
= false;
21 static void destroy(struct ceph_auth_client
*ac
)
27 static int is_authenticated(struct ceph_auth_client
*ac
)
29 struct ceph_auth_none_info
*xi
= ac
->private;
34 static int should_authenticate(struct ceph_auth_client
*ac
)
36 struct ceph_auth_none_info
*xi
= ac
->private;
42 * the generic auth code decode the global_id, and we carry no actual
43 * authenticate state, so nothing happens here.
45 static int handle_reply(struct ceph_auth_client
*ac
, int result
,
48 struct ceph_auth_none_info
*xi
= ac
->private;
55 * build an 'authorizer' with our entity_name and global_id. we can
56 * reuse a single static copy since it is identical for all services
59 static int ceph_auth_none_create_authorizer(
60 struct ceph_auth_client
*ac
, int peer_type
,
61 struct ceph_authorizer
**a
,
62 void **buf
, size_t *len
,
63 void **reply_buf
, size_t *reply_len
)
65 struct ceph_auth_none_info
*ai
= ac
->private;
66 struct ceph_none_authorizer
*au
= &ai
->au
;
70 if (!ai
->built_authorizer
) {
72 end
= p
+ sizeof(au
->buf
);
74 ret
= ceph_entity_name_encode(ac
->name
, &p
, end
- 8);
77 ceph_decode_need(&p
, end
, sizeof(u64
), bad2
);
78 ceph_encode_64(&p
, ac
->global_id
);
79 au
->buf_len
= p
- (void *)au
->buf
;
80 ai
->built_authorizer
= true;
81 dout("built authorizer len %d\n", au
->buf_len
);
84 *a
= (struct ceph_authorizer
*)au
;
87 *reply_buf
= au
->reply_buf
;
88 *reply_len
= sizeof(au
->reply_buf
);
97 static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client
*ac
,
98 struct ceph_authorizer
*a
)
103 static const struct ceph_auth_client_ops ceph_auth_none_ops
= {
107 .is_authenticated
= is_authenticated
,
108 .should_authenticate
= should_authenticate
,
109 .handle_reply
= handle_reply
,
110 .create_authorizer
= ceph_auth_none_create_authorizer
,
111 .destroy_authorizer
= ceph_auth_none_destroy_authorizer
,
114 int ceph_auth_none_init(struct ceph_auth_client
*ac
)
116 struct ceph_auth_none_info
*xi
;
118 dout("ceph_auth_none_init %p\n", ac
);
119 xi
= kzalloc(sizeof(*xi
), GFP_NOFS
);
124 xi
->built_authorizer
= false;
126 ac
->protocol
= CEPH_AUTH_NONE
;
128 ac
->ops
= &ceph_auth_none_ops
;