2 #include <linux/ceph/ceph_debug.h>
5 #include <linux/module.h>
6 #include <linux/random.h>
7 #include <linux/slab.h>
9 #include <linux/ceph/decode.h>
10 #include <linux/ceph/auth.h>
12 #include "auth_none.h"
14 static void reset(struct ceph_auth_client *ac)
16 struct ceph_auth_none_info *xi = ac->private;
19 xi->built_authorizer = false;
22 static void destroy(struct ceph_auth_client *ac)
28 static int is_authenticated(struct ceph_auth_client *ac)
30 struct ceph_auth_none_info *xi = ac->private;
35 static int should_authenticate(struct ceph_auth_client *ac)
37 struct ceph_auth_none_info *xi = ac->private;
42 static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
48 * the generic auth code decode the global_id, and we carry no actual
49 * authenticate state, so nothing happens here.
51 static int handle_reply(struct ceph_auth_client *ac, int result,
54 struct ceph_auth_none_info *xi = ac->private;
61 * build an 'authorizer' with our entity_name and global_id. we can
62 * reuse a single static copy since it is identical for all services
65 static int ceph_auth_none_create_authorizer(
66 struct ceph_auth_client *ac, int peer_type,
67 struct ceph_auth_handshake *auth)
69 struct ceph_auth_none_info *ai = ac->private;
70 struct ceph_none_authorizer *au = &ai->au;
74 if (!ai->built_authorizer) {
76 end = p + sizeof(au->buf);
78 ret = ceph_entity_name_encode(ac->name, &p, end - 8);
81 ceph_decode_need(&p, end, sizeof(u64), bad2);
82 ceph_encode_64(&p, ac->global_id);
83 au->buf_len = p - (void *)au->buf;
84 ai->built_authorizer = true;
85 dout("built authorizer len %d\n", au->buf_len);
88 auth->authorizer = (struct ceph_authorizer *) au;
89 auth->authorizer_buf = au->buf;
90 auth->authorizer_buf_len = au->buf_len;
91 auth->authorizer_reply_buf = au->reply_buf;
92 auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
102 static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
103 struct ceph_authorizer *a)
108 static const struct ceph_auth_client_ops ceph_auth_none_ops = {
112 .is_authenticated = is_authenticated,
113 .should_authenticate = should_authenticate,
114 .build_request = build_request,
115 .handle_reply = handle_reply,
116 .create_authorizer = ceph_auth_none_create_authorizer,
117 .destroy_authorizer = ceph_auth_none_destroy_authorizer,
120 int ceph_auth_none_init(struct ceph_auth_client *ac)
122 struct ceph_auth_none_info *xi;
124 dout("ceph_auth_none_init %p\n", ac);
125 xi = kzalloc(sizeof(*xi), GFP_NOFS);
130 xi->built_authorizer = false;
132 ac->protocol = CEPH_AUTH_NONE;
134 ac->ops = &ceph_auth_none_ops;