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7882a26d2e
It's going to be used as a temporary buffer for in-place en/decryption with ceph_crypt() instead of on-stack buffers, so rename to enc_buf. Ensure alignment to avoid GFP_ATOMIC allocations in the crypto stack. Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Sage Weil <sage@redhat.com>
55 lines
980 B
C
55 lines
980 B
C
#ifndef _FS_CEPH_AUTH_X_H
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#define _FS_CEPH_AUTH_X_H
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#include <linux/rbtree.h>
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#include <linux/ceph/auth.h>
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#include "crypto.h"
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#include "auth_x_protocol.h"
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/*
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* Handle ticket for a single service.
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*/
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struct ceph_x_ticket_handler {
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struct rb_node node;
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unsigned int service;
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struct ceph_crypto_key session_key;
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bool have_key;
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u64 secret_id;
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struct ceph_buffer *ticket_blob;
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unsigned long renew_after, expires;
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};
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#define CEPHX_AU_ENC_BUF_LEN 128 /* big enough for encrypted blob */
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struct ceph_x_authorizer {
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struct ceph_authorizer base;
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struct ceph_crypto_key session_key;
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struct ceph_buffer *buf;
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unsigned int service;
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u64 nonce;
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u64 secret_id;
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char enc_buf[CEPHX_AU_ENC_BUF_LEN] __aligned(8);
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};
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struct ceph_x_info {
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struct ceph_crypto_key secret;
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bool starting;
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u64 server_challenge;
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unsigned int have_keys;
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struct rb_root ticket_handlers;
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struct ceph_x_authorizer auth_authorizer;
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};
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int ceph_x_init(struct ceph_auth_client *ac);
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#endif
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