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 1/* SPDX-License-Identifier: LGPL-2.1 */
 2/*
 3 *   SPNEGO upcall management for CIFS
 4 *
 5 *   Copyright (c) 2007 Red Hat, Inc.
 6 *   Author(s): Jeff Layton (jlayton@redhat.com)
 7 *              Steve French (sfrench@us.ibm.com)
 8 *
 9 */
10
11#ifndef _CIFS_SPNEGO_H
12#define _CIFS_SPNEGO_H
13
14#define CIFS_SPNEGO_UPCALL_VERSION 2
15
16/*
17 * The version field should always be set to CIFS_SPNEGO_UPCALL_VERSION.
18 * The flags field is for future use. The request-key callout should set
19 * sesskey_len and secblob_len, and then concatenate the SessKey+SecBlob
20 * and stuff it in the data field.
21 */
22struct cifs_spnego_msg {
23	uint32_t	version;
24	uint32_t	flags;
25	uint32_t	sesskey_len;
26	uint32_t	secblob_len;
27	uint8_t		data[1];
28};
29
30#ifdef __KERNEL__
31extern struct key_type cifs_spnego_key_type;
32extern struct key *cifs_get_spnego_key(struct cifs_ses *sesInfo,
33				       struct TCP_Server_Info *server);
34#endif /* KERNEL */
35
36#endif /* _CIFS_SPNEGO_H */