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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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