1 #ifndef __FS_CEPH_AUTH_X_PROTOCOL
2 #define __FS_CEPH_AUTH_X_PROTOCOL
3
4 #define CEPHX_GET_AUTH_SESSION_KEY 0x0100
5 #define CEPHX_GET_PRINCIPAL_SESSION_KEY 0x0200
6 #define CEPHX_GET_ROTATING_KEY 0x0400
7
8 /* common bits */
9 struct ceph_x_ticket_blob {
10 __u8 struct_v;
11 __le64 secret_id;
12 __le32 blob_len;
13 char blob[];
14 } __attribute__ ((packed));
15
16
17 /* common request/reply headers */
18 struct ceph_x_request_header {
19 __le16 op;
20 } __attribute__ ((packed));
21
22 struct ceph_x_reply_header {
23 __le16 op;
24 __le32 result;
25 } __attribute__ ((packed));
26
27
28 /* authenticate handshake */
29
30 /* initial hello (no reply header) */
31 struct ceph_x_server_challenge {
32 __u8 struct_v;
33 __le64 server_challenge;
34 } __attribute__ ((packed));
35
36 struct ceph_x_authenticate {
37 __u8 struct_v;
38 __le64 client_challenge;
39 __le64 key;
40 /* ticket blob */
41 } __attribute__ ((packed));
42
43 struct ceph_x_service_ticket_request {
44 __u8 struct_v;
45 __le32 keys;
46 } __attribute__ ((packed));
47
48 struct ceph_x_challenge_blob {
49 __le64 server_challenge;
50 __le64 client_challenge;
51 } __attribute__ ((packed));
52
53
54
55 /* authorize handshake */
56
57 /*
58 * The authorizer consists of two pieces:
59 * a - service id, ticket blob
60 * b - encrypted with session key
61 */
62 struct ceph_x_authorize_a {
63 __u8 struct_v;
64 __le64 global_id;
65 __le32 service_id;
66 struct ceph_x_ticket_blob ticket_blob;
67 } __attribute__ ((packed));
68
69 struct ceph_x_authorize_b {
70 __u8 struct_v;
71 __le64 nonce;
72 } __attribute__ ((packed));
73
74 struct ceph_x_authorize_reply {
75 __u8 struct_v;
76 __le64 nonce_plus_one;
77 } __attribute__ ((packed));
78
79
80 /*
81 * encyption bundle
82 */
83 #define CEPHX_ENC_MAGIC 0xff009cad8826aa55ull
84
85 struct ceph_x_encrypt_header {
86 __u8 struct_v;
87 __le64 magic;
88 } __attribute__ ((packed));
89
90 #endif
91
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