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-rw-r--r--fs/ceph/auth_none.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/fs/ceph/auth_none.c b/fs/ceph/auth_none.c
deleted file mode 100644
index ad1dc21286c7..000000000000
--- a/fs/ceph/auth_none.c
+++ /dev/null
@@ -1,131 +0,0 @@
1
2#include "ceph_debug.h"
3
4#include <linux/err.h>
5#include <linux/module.h>
6#include <linux/random.h>
7#include <linux/slab.h>
8
9#include "auth_none.h"
10#include "auth.h"
11#include "decode.h"
12
13static void reset(struct ceph_auth_client *ac)
14{
15 struct ceph_auth_none_info *xi = ac->private;
16
17 xi->starting = true;
18 xi->built_authorizer = false;
19}
20
21static void destroy(struct ceph_auth_client *ac)
22{
23 kfree(ac->private);
24 ac->private = NULL;
25}
26
27static int is_authenticated(struct ceph_auth_client *ac)
28{
29 struct ceph_auth_none_info *xi = ac->private;
30
31 return !xi->starting;
32}
33
34static int should_authenticate(struct ceph_auth_client *ac)
35{
36 struct ceph_auth_none_info *xi = ac->private;
37
38 return xi->starting;
39}
40
41/*
42 * the generic auth code decode the global_id, and we carry no actual
43 * authenticate state, so nothing happens here.
44 */
45static int handle_reply(struct ceph_auth_client *ac, int result,
46 void *buf, void *end)
47{
48 struct ceph_auth_none_info *xi = ac->private;
49
50 xi->starting = false;
51 return result;
52}
53
54/*
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
57 * we connect to.
58 */
59static 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)
64{
65 struct ceph_auth_none_info *ai = ac->private;
66 struct ceph_none_authorizer *au = &ai->au;
67 void *p, *end;
68 int ret;
69
70 if (!ai->built_authorizer) {
71 p = au->buf;
72 end = p + sizeof(au->buf);
73 ceph_encode_8(&p, 1);
74 ret = ceph_entity_name_encode(ac->name, &p, end - 8);
75 if (ret < 0)
76 goto bad;
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);
82 }
83
84 *a = (struct ceph_authorizer *)au;
85 *buf = au->buf;
86 *len = au->buf_len;
87 *reply_buf = au->reply_buf;
88 *reply_len = sizeof(au->reply_buf);
89 return 0;
90
91bad2:
92 ret = -ERANGE;
93bad:
94 return ret;
95}
96
97static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
98 struct ceph_authorizer *a)
99{
100 /* nothing to do */
101}
102
103static const struct ceph_auth_client_ops ceph_auth_none_ops = {
104 .name = "none",
105 .reset = reset,
106 .destroy = destroy,
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,
112};
113
114int ceph_auth_none_init(struct ceph_auth_client *ac)
115{
116 struct ceph_auth_none_info *xi;
117
118 dout("ceph_auth_none_init %p\n", ac);
119 xi = kzalloc(sizeof(*xi), GFP_NOFS);
120 if (!xi)
121 return -ENOMEM;
122
123 xi->starting = true;
124 xi->built_authorizer = false;
125
126 ac->protocol = CEPH_AUTH_NONE;
127 ac->private = xi;
128 ac->ops = &ceph_auth_none_ops;
129 return 0;
130}
131