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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __FS_CEPH_AUTH_X_PROTOCOL
#define __FS_CEPH_AUTH_X_PROTOCOL
#define CEPHX_GET_AUTH_SESSION_KEY 0x0100
#define CEPHX_GET_PRINCIPAL_SESSION_KEY 0x0200
#define CEPHX_GET_ROTATING_KEY 0x0400
/* common bits */
struct ceph_x_ticket_blob {
__u8 struct_v;
__le64 secret_id;
__le32 blob_len;
char blob[];
} __attribute__ ((packed));
/* common request/reply headers */
struct ceph_x_request_header {
__le16 op;
} __attribute__ ((packed));
struct ceph_x_reply_header {
__le16 op;
__le32 result;
} __attribute__ ((packed));
/* authenticate handshake */
/* initial hello (no reply header) */
struct ceph_x_server_challenge {
__u8 struct_v;
__le64 server_challenge;
} __attribute__ ((packed));
struct ceph_x_authenticate {
__u8 struct_v;
__le64 client_challenge;
__le64 key;
/* ticket blob */
} __attribute__ ((packed));
struct ceph_x_service_ticket_request {
__u8 struct_v;
__le32 keys;
} __attribute__ ((packed));
struct ceph_x_challenge_blob {
__le64 server_challenge;
__le64 client_challenge;
} __attribute__ ((packed));
/* authorize handshake */
/*
* The authorizer consists of two pieces:
* a - service id, ticket blob
* b - encrypted with session key
*/
struct ceph_x_authorize_a {
__u8 struct_v;
__le64 global_id;
__le32 service_id;
struct ceph_x_ticket_blob ticket_blob;
} __attribute__ ((packed));
struct ceph_x_authorize_b {
__u8 struct_v;
__le64 nonce;
__u8 have_challenge;
__le64 server_challenge_plus_one;
} __attribute__ ((packed));
struct ceph_x_authorize_challenge {
__u8 struct_v;
__le64 server_challenge;
} __attribute__ ((packed));
struct ceph_x_authorize_reply {
__u8 struct_v;
__le64 nonce_plus_one;
} __attribute__ ((packed));
/*
* encyption bundle
*/
#define CEPHX_ENC_MAGIC 0xff009cad8826aa55ull
struct ceph_x_encrypt_header {
__u8 struct_v;
__le64 magic;
} __attribute__ ((packed));
#endif
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