include/keys/request_key_auth-type.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /* request_key authorisation token key type
   3  *
   4  * Copyright (C) 2005 Red Hat, Inc. All Rights Reserved.
   5  * Written by David Howells (dhowells@redhat.com)
   6  */
   7
   8 #ifndef _KEYS_REQUEST_KEY_AUTH_TYPE_H
   9 #define _KEYS_REQUEST_KEY_AUTH_TYPE_H
  10
  11 #include <linux/key.h>
  12
  13 /*
  14  * Authorisation record for request_key().
  15  */
  16 struct request_key_auth {
  17         struct rcu_head         rcu;
  18         struct key              *target_key;
  19         struct key              *dest_keyring;
  20         const struct cred       *cred;
  21         void                    *callout_info;
  22         size_t                  callout_len;
  23         pid_t                   pid;
  24         char                    op[8];
  25 } __randomize_layout;
  26
  27 static inline struct request_key_auth *get_request_key_auth(const struct key *key)
  28 {
  29         return key->payload.data[0];
  30 }
  31
  32
  33 #endif /* _KEYS_REQUEST_KEY_AUTH_TYPE_H */