LXR linux/net/ceph/auth_x

   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 */
   9struct 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 */
  18struct ceph_x_request_header {
  19        __le16 op;
  20} __attribute__ ((packed));
  21
  22struct 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) */
  31struct ceph_x_server_challenge {
  32        __u8 struct_v;
  33        __le64 server_challenge;
  34} __attribute__ ((packed));
  35
  36struct ceph_x_authenticate {
  37        __u8 struct_v;
  38        __le64 client_challenge;
  39        __le64 key;
  40        /* ticket blob */
  41} __attribute__ ((packed));
  42
  43struct ceph_x_service_ticket_request {
  44        __u8 struct_v;
  45        __le32 keys;
  46} __attribute__ ((packed));
  47
  48struct 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 */
  62struct 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
  69struct ceph_x_authorize_b {
  70        __u8 struct_v;
  71        __le64 nonce;
  72} __attribute__ ((packed));
  73
  74struct 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
  85struct ceph_x_encrypt_header {
  86        __u8 struct_v;
  87        __le64 magic;
  88} __attribute__ ((packed));
  89
  90#endif
  91