67afd2b8d71fef9b375306cec6a59dc1ab4a3dea
[strongswan.git] / src / charon / sa / tasks / ike_init.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_init ike_init
20 * @{ @ingroup tasks
21 */
22
23 #ifndef IKE_INIT_H_
24 #define IKE_INIT_H_
25
26 typedef struct ike_init_t ike_init_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_INIT, creates an IKE_SA without authentication.
34 *
35 * The authentication of is handle in the ike_auth task.
36 */
37 struct ike_init_t {
38
39 /**
40 * Implements the task_t interface
41 */
42 task_t task;
43
44 /**
45 * Get the lower of the two nonces, used for rekey collisions.
46 *
47 * @return lower nonce
48 */
49 chunk_t (*get_lower_nonce) (ike_init_t *this);
50 };
51
52 /**
53 * Create a new IKE_INIT task.
54 *
55 * @param ike_sa IKE_SA this task works for (new one when rekeying)
56 * @param initiator TRUE if thask is the original initator
57 * @param old_sa old IKE_SA when we are rekeying
58 * @return ike_init task to handle by the task_manager
59 */
60 ike_init_t *ike_init_create(ike_sa_t *ike_sa, bool initiator, ike_sa_t *old_sa);
61
62 #endif /* IKE_INIT_H_ @} */