cb132d0c268a875bef3f3d7806b9e9ca860f5e22
[strongswan.git] / src / charon / sa / tasks / ike_natd.h
1 /*
2 * Copyright (C) 2007 Martin Willi
3 * Hochschule fuer Technik Rapperswil
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 *
15 * $Id$
16 */
17
18 /**
19 * @defgroup ike_natd ike_natd
20 * @{ @ingroup tasks
21 */
22
23 #ifndef IKE_NATD_H_
24 #define IKE_NATD_H_
25
26 typedef struct ike_natd_t ike_natd_t;
27
28 #include <library.h>
29 #include <sa/ike_sa.h>
30 #include <sa/tasks/task.h>
31
32 /**
33 * Task of type ike_natd, detects NAT situation in IKE_SA_INIT exchange.
34 */
35 struct ike_natd_t {
36
37 /**
38 * Implements the task_t interface
39 */
40 task_t task;
41
42 /**
43 * Check if the NAT mapping has changed for our address.
44 *
45 * MOBIKE uses NAT payloads in DPD to detect changes in the NAT mappings.
46 *
47 * @return TRUE if mappings have changed
48 */
49 bool (*has_mapping_changed)(ike_natd_t *this);
50 };
51
52 /**
53 * Create a new ike_natd task.
54 *
55 * @param ike_sa IKE_SA this task works for
56 * @param initiator TRUE if thask is the original initator
57 * @return ike_natd task to handle by the task_manager
58 */
59 ike_natd_t *ike_natd_create(ike_sa_t *ike_sa, bool initiator);
60
61 #endif /* IKE_NATD_H_ @} */