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TOMOYO Linux Cross Reference
Linux/net/ceph/auth_x_protocol.h

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  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 */
 10 struct 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 */
 19 struct ceph_x_request_header {
 20         __le16 op;
 21 } __attribute__ ((packed));
 22 
 23 struct 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) */
 32 struct ceph_x_server_challenge {
 33         __u8 struct_v;
 34         __le64 server_challenge;
 35 } __attribute__ ((packed));
 36 
 37 struct ceph_x_authenticate {
 38         __u8 struct_v;
 39         __le64 client_challenge;
 40         __le64 key;
 41         /* ticket blob */
 42 } __attribute__ ((packed));
 43 
 44 struct ceph_x_service_ticket_request {
 45         __u8 struct_v;
 46         __le32 keys;
 47 } __attribute__ ((packed));
 48 
 49 struct 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  */
 63 struct 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 
 70 struct ceph_x_authorize_b {
 71         __u8 struct_v;
 72         __le64 nonce;
 73 } __attribute__ ((packed));
 74 
 75 struct ceph_x_authorize_reply {
 76         __u8 struct_v;
 77         __le64 nonce_plus_one;
 78 } __attribute__ ((packed));
 79 
 80 
 81 /*
 82  * encyption bundle
 83  */
 84 #define CEPHX_ENC_MAGIC 0xff009cad8826aa55ull
 85 
 86 struct ceph_x_encrypt_header {
 87         __u8 struct_v;
 88         __le64 magic;
 89 } __attribute__ ((packed));
 90 
 91 #endif
 92 

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