blob: c7a493ccfe6fcd74baa4e4a8a91f89805f469300 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/**
* @file ike_sa_init.h
*
* @brief Interface of transaction ike_sa_init.
*
*/
/*
* Copyright (C) 2006 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef IKE_SA_INIT_H_
#define IKE_SA_INIT_H_
#include <sa/ike_sa.h>
#include <sa/transactions/transaction.h>
typedef struct ike_sa_init_t ike_sa_init_t;
/**
* @brief A transaction for the first message exchange to set up an IKE_SA.
*
* @b Constructors:
* - ike_sa_init_create()
* - transaction_create() with the appropriate message
*
* @ingroup transactions
*/
struct ike_sa_init_t {
/**
* The transaction_t interface.
*/
transaction_t transaction;
/**
* @brief Set connection & policy to use for initiation.
*
* The policy is not used directly, but forwarded to the
* ike_auth transaction.
*
* @param this calling object
* @param connection connection to use for initiation
* @param policy policy used in ike_auth transaction
*/
void (*set_config) (ike_sa_init_t* this,
connection_t *connection, policy_t *policy);
/**
* @brief Set the reqid used for CHILD_SA setup.
*
* The first two message exchanges may set up an associated
* CHILD_SA. If we acquire, we must use the same reqid as the
* installed policy. This requid is passed to the ike_auth
* transaction which creates the CHILD_AS.
*
* @param this calling object
* @param reqid reqid to use for the CHILD_SA
*/
void (*set_reqid) (ike_sa_init_t* this, u_int32_t reqid);
/**
* @brief Set the Diffie Hellman group to use for initiating.
*
* If a first exchange fails with a INVALID_KE_PAYLOAD, the second
* try uses the DH group proposed by the responder.
*
* @param this calling object
* @param dh_group diffie hellman group to use
* @return FALSE, if DH group not allowed/supported
*/
bool (*use_dh_group) (ike_sa_init_t* this, diffie_hellman_group_t dh_group);
};
/**
* @brief Create a new transaction which processes IKE_SA_INIT exchanges.
*
* @param ike_sa assigned IKE_SA
* @return created ike_sa_init transaction
*
* @ingroup transactions
*/
ike_sa_init_t *ike_sa_init_create(ike_sa_t *ike_sa);
#endif /* IKE_SA_INIT_H_ */
|
