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 */
34