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#include "includes.h"
23
24bool cli_simple_set_signing(struct cli_state *cli,
25			    const DATA_BLOB user_session_key,
26			    const DATA_BLOB response)
27{
28	bool ok;
29
30	ok = smb_signing_activate(cli->signing_state,
31				  user_session_key,
32				  response);
33	if (!ok) {
34		return false;
35	}
36
37	cli->readbraw_supported = false;
38	cli->writebraw_supported = false;
39
40	return true;
41}
42
43bool cli_temp_set_signing(struct cli_state *cli)
44{
45	return smb_signing_set_bsrspyl(cli->signing_state);
46}
47
48void cli_calculate_sign_mac(struct cli_state *cli, char *buf, uint32_t *seqnum)
49{
50	*seqnum = smb_signing_next_seqnum(cli->signing_state, false);
51	smb_signing_sign_pdu(cli->signing_state, (uint8_t *)buf, *seqnum);
52}
53
54bool cli_check_sign_mac(struct cli_state *cli, const char *buf, uint32_t seqnum)
55{
56	bool ok;
57
58	ok = smb_signing_check_pdu(cli->signing_state,
59				   (const uint8_t *)buf,
60				   seqnum);
61
62	if (!ok) {
63		return false;
64	}
65
66	return true;
67}
68
69void cli_set_signing_negotiated(struct cli_state *cli)
70{
71	smb_signing_set_negotiated(cli->signing_state);
72}
73
74bool client_is_signing_on(struct cli_state *cli)
75{
76	return smb_signing_is_active(cli->signing_state);
77}
78
79bool client_is_signing_allowed(struct cli_state *cli)
80{
81	return smb_signing_is_allowed(cli->signing_state);
82}
83
84bool client_is_signing_mandatory(struct cli_state *cli)
85{
86	return smb_signing_is_mandatory(cli->signing_state);
87}
88