1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __FS_CEPH_AUTH_X_PROTOCOL
 3#define __FS_CEPH_AUTH_X_PROTOCOL
 4
 5#define CEPHX_GET_AUTH_SESSION_KEY      0x0100
 6#define CEPHX_GET_PRINCIPAL_SESSION_KEY 0x0200
 7#define CEPHX_GET_ROTATING_KEY          0x0400
 8
 9/* common bits */
10struct ceph_x_ticket_blob {
11	__u8 struct_v;
12	__le64 secret_id;
13	__le32 blob_len;
14	char blob[];
15} __attribute__ ((packed));
16
17
18/* common request/reply headers */
19struct ceph_x_request_header {
20	__le16 op;
21} __attribute__ ((packed));
22
23struct ceph_x_reply_header {
24	__le16 op;
25	__le32 result;
26} __attribute__ ((packed));
27
28
29/* authenticate handshake */
30
31/* initial hello (no reply header) */
32struct ceph_x_server_challenge {
33	__u8 struct_v;
34	__le64 server_challenge;
35} __attribute__ ((packed));
36
37struct ceph_x_authenticate {
38	__u8 struct_v;
39	__le64 client_challenge;
40	__le64 key;
41	/* old_ticket blob */
42	/* nautilus+: other_keys */
43} __attribute__ ((packed));
44
45struct ceph_x_service_ticket_request {
46	__u8 struct_v;
47	__le32 keys;
48} __attribute__ ((packed));
49
50struct ceph_x_challenge_blob {
51	__le64 server_challenge;
52	__le64 client_challenge;
53} __attribute__ ((packed));
54
55
56
57/* authorize handshake */
58
59/*
60 * The authorizer consists of two pieces:
61 *  a - service id, ticket blob
62 *  b - encrypted with session key
63 */
64struct ceph_x_authorize_a {
65	__u8 struct_v;
66	__le64 global_id;
67	__le32 service_id;
68	struct ceph_x_ticket_blob ticket_blob;
69} __attribute__ ((packed));
70
71struct ceph_x_authorize_b {
72	__u8 struct_v;
73	__le64 nonce;
74	__u8 have_challenge;
75	__le64 server_challenge_plus_one;
76} __attribute__ ((packed));
77
78struct ceph_x_authorize_challenge {
79	__u8 struct_v;
80	__le64 server_challenge;
81} __attribute__ ((packed));
82
83struct ceph_x_authorize_reply {
84	__u8 struct_v;
85	__le64 nonce_plus_one;
86} __attribute__ ((packed));
87
88
89/*
90 * encryption bundle
91 */
92#define CEPHX_ENC_MAGIC 0xff009cad8826aa55ull
93
94struct ceph_x_encrypt_header {
95	__u8 struct_v;
96	__le64 magic;
97} __attribute__ ((packed));
98
99#endif

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __FS_CEPH_AUTH_X_PROTOCOL
 3#define __FS_CEPH_AUTH_X_PROTOCOL
 4
 5#define CEPHX_GET_AUTH_SESSION_KEY      0x0100
 6#define CEPHX_GET_PRINCIPAL_SESSION_KEY 0x0200
 7#define CEPHX_GET_ROTATING_KEY          0x0400
 8
 9/* common bits */
10struct ceph_x_ticket_blob {
11	__u8 struct_v;
12	__le64 secret_id;
13	__le32 blob_len;
14	char blob[];
15} __attribute__ ((packed));
16
17
18/* common request/reply headers */
19struct ceph_x_request_header {
20	__le16 op;
21} __attribute__ ((packed));
22
23struct ceph_x_reply_header {
24	__le16 op;
25	__le32 result;
26} __attribute__ ((packed));
27
28
29/* authenticate handshake */
30
31/* initial hello (no reply header) */
32struct ceph_x_server_challenge {
33	__u8 struct_v;
34	__le64 server_challenge;
35} __attribute__ ((packed));
36
37struct ceph_x_authenticate {
38	__u8 struct_v;
39	__le64 client_challenge;
40	__le64 key;
41	/* ticket blob */
 
42} __attribute__ ((packed));
43
44struct ceph_x_service_ticket_request {
45	__u8 struct_v;
46	__le32 keys;
47} __attribute__ ((packed));
48
49struct ceph_x_challenge_blob {
50	__le64 server_challenge;
51	__le64 client_challenge;
52} __attribute__ ((packed));
53
54
55
56/* authorize handshake */
57
58/*
59 * The authorizer consists of two pieces:
60 *  a - service id, ticket blob
61 *  b - encrypted with session key
62 */
63struct ceph_x_authorize_a {
64	__u8 struct_v;
65	__le64 global_id;
66	__le32 service_id;
67	struct ceph_x_ticket_blob ticket_blob;
68} __attribute__ ((packed));
69
70struct ceph_x_authorize_b {
71	__u8 struct_v;
72	__le64 nonce;
73	__u8 have_challenge;
74	__le64 server_challenge_plus_one;
75} __attribute__ ((packed));
76
77struct ceph_x_authorize_challenge {
78	__u8 struct_v;
79	__le64 server_challenge;
80} __attribute__ ((packed));
81
82struct ceph_x_authorize_reply {
83	__u8 struct_v;
84	__le64 nonce_plus_one;
85} __attribute__ ((packed));
86
87
88/*
89 * encyption bundle
90 */
91#define CEPHX_ENC_MAGIC 0xff009cad8826aa55ull
92
93struct ceph_x_encrypt_header {
94	__u8 struct_v;
95	__le64 magic;
96} __attribute__ ((packed));
97
98#endif