From 8bd68c6e47abff34e412a0c68cecb4a36bf0198b Mon Sep 17 00:00:00 2001
From: Aurelien Aptel <aaptel@suse.com>
Date: Fri, 16 Feb 2018 19:19:29 +0100
Subject: CIFS: implement v3.11 preauth integrity

SMB3.11 clients must implement pre-authentification integrity.

* new mechanism to certify requests/responses happening before Tree
  Connect.
* supersedes VALIDATE_NEGOTIATE
* fixes signing for SMB3.11

Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
---
 fs/cifs/smb2proto.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/cifs/smb2proto.h')

diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 3b8e9c2e55bc..cbcce3f7e86f 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -204,5 +204,7 @@ extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
 					enum securityEnum);
 #ifdef CONFIG_CIFS_SMB311
 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
+extern int smb311_update_preauth_hash(struct cifs_ses *ses,
+				      struct kvec *iov, int nvec);
 #endif
 #endif			/* _SMB2PROTO_H */
-- 
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