net/ceph/auth_x_protocol.h

   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