1/*
2   Unix SMB/CIFS implementation.
3   SMB Signing Code
4   Copyright (C) Jeremy Allison 2003.
5   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2002-2003
6   Copyright (C) Stefan Metzmacher 2009
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 3 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program.  If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#ifndef _SMB_SIGNING_H_
23#define _SMB_SIGNING_H_
24
25struct smb_signing_state;
26
27struct smb_signing_state *smb_signing_init(TALLOC_CTX *mem_ctx,
28					   bool allowed,
29					   bool mandatory);
30uint32_t smb_signing_next_seqnum(struct smb_signing_state *si, bool oneway);
31void smb_signing_cancel_reply(struct smb_signing_state *si, bool oneway);
32void smb_signing_sign_pdu(struct smb_signing_state *si,
33			  uint8_t *outbuf, uint32_t seqnum);
34bool smb_signing_check_pdu(struct smb_signing_state *si,
35			   const uint8_t *inbuf, uint32_t seqnum);
36bool smb_signing_set_bsrspyl(struct smb_signing_state *si);
37bool smb_signing_activate(struct smb_signing_state *si,
38			  const DATA_BLOB user_session_key,
39			  const DATA_BLOB response);
40bool smb_signing_is_active(struct smb_signing_state *si);
41bool smb_signing_is_allowed(struct smb_signing_state *si);
42bool smb_signing_is_mandatory(struct smb_signing_state *si);
43bool smb_signing_set_negotiated(struct smb_signing_state *si);
44bool smb_signing_is_negotiated(struct smb_signing_state *si);
45
46#endif /* _SMB_SIGNING_H_ */
47