1 // SPDX-License-Identifier: GPL-2.0
3 #include <linux/ceph/ceph_debug.h>
6 #include <linux/module.h>
7 #include <linux/random.h>
8 #include <linux/slab.h>
10 #include <linux/ceph/decode.h>
11 #include <linux/ceph/auth.h>
13 #include "auth_none.h"
15 static void reset(struct ceph_auth_client *ac)
17 struct ceph_auth_none_info *xi = ac->private;
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 ceph_auth_none_build_authorizer(struct ceph_auth_client *ac,
43 struct ceph_none_authorizer *au)
46 void *const end = p + sizeof(au->buf);
49 ceph_encode_8_safe(&p, end, 1, e_range);
50 ret = ceph_auth_entity_name_encode(ac->name, &p, end);
54 ceph_encode_64_safe(&p, end, ac->global_id, e_range);
55 au->buf_len = p - (void *)au->buf;
56 dout("%s built authorizer len %d\n", __func__, au->buf_len);
63 static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
69 * the generic auth code decode the global_id, and we carry no actual
70 * authenticate state, so nothing happens here.
72 static int handle_reply(struct ceph_auth_client *ac, int result,
75 struct ceph_auth_none_info *xi = ac->private;
81 static void ceph_auth_none_destroy_authorizer(struct ceph_authorizer *a)
87 * build an 'authorizer' with our entity_name and global_id. it is
88 * identical for all services we connect to.
90 static int ceph_auth_none_create_authorizer(
91 struct ceph_auth_client *ac, int peer_type,
92 struct ceph_auth_handshake *auth)
94 struct ceph_none_authorizer *au;
97 au = kmalloc(sizeof(*au), GFP_NOFS);
101 au->base.destroy = ceph_auth_none_destroy_authorizer;
103 ret = ceph_auth_none_build_authorizer(ac, au);
109 auth->authorizer = (struct ceph_authorizer *) au;
110 auth->authorizer_buf = au->buf;
111 auth->authorizer_buf_len = au->buf_len;
112 auth->authorizer_reply_buf = au->reply_buf;
113 auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
118 static const struct ceph_auth_client_ops ceph_auth_none_ops = {
122 .is_authenticated = is_authenticated,
123 .should_authenticate = should_authenticate,
124 .build_request = build_request,
125 .handle_reply = handle_reply,
126 .create_authorizer = ceph_auth_none_create_authorizer,
129 int ceph_auth_none_init(struct ceph_auth_client *ac)
131 struct ceph_auth_none_info *xi;
133 dout("ceph_auth_none_init %p\n", ac);
134 xi = kzalloc(sizeof(*xi), GFP_NOFS);
140 ac->protocol = CEPH_AUTH_NONE;
142 ac->ops = &ceph_auth_none_ops;