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