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
99
100
|
/*
* Copyright (C) 2007 Tobias Brunner
* 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.
*/
/**
* @defgroup ike_me ike_me
* @{ @ingroup tasks
*/
#ifndef IKE_ME_H_
#define IKE_ME_H_
typedef struct ike_me_t ike_me_t;
#include <library.h>
#include <sa/ike_sa.h>
#include <sa/tasks/task.h>
/**
* Task of type IKE_ME, detects and handles IKE-ME extensions.
*
* This tasks handles the ME_MEDIATION Notify exchange to setup a mediation
* connection, allows to initiate mediated connections using ME_CONNECT
* exchanges and to request reflexive addresses from the mediation server using
* ME_ENDPOINT notifies.
*
* @note This task has to be activated before the IKE_AUTH task, because that
* task generates the IKE_SA_INIT message so that no more payloads can be added
* to it afterwards.
*/
struct ike_me_t {
/**
* Implements the task_t interface
*/
task_t task;
/**
* Initiates a connection with another peer (i.e. sends a ME_CONNECT
* to the mediation server)
*
* @param peer_id ID of the other peer (gets cloned)
*/
void (*connect)(ike_me_t *this, identification_t *peer_id);
/**
* Responds to a ME_CONNECT from another peer (i.e. sends a ME_CONNECT
* to the mediation server)
*
* Data gets cloned.
*
* @param peer_id ID of the other peer
* @param connect_id the connect ID as provided by the initiator
*/
void (*respond)(ike_me_t *this, identification_t *peer_id,
chunk_t connect_id);
/**
* Sends a ME_CALLBACK to a peer that previously requested some other peer.
*
* @param peer_id ID of the other peer (gets cloned)
*/
void (*callback)(ike_me_t *this, identification_t *peer_id);
/**
* Relays data to another peer (i.e. sends a ME_CONNECT to the peer)
*
* Data gets cloned.
*
* @param requester ID of the requesting peer
* @param connect_id content of the ME_CONNECTID notify
* @param connect_key content of the ME_CONNECTKEY notify
* @param endpoints endpoints
* @param response TRUE if this is a response
*/
void (*relay)(ike_me_t *this, identification_t *requester,
chunk_t connect_id, chunk_t connect_key,
linked_list_t *endpoints, bool response);
};
/**
* Create a new ike_me task.
*
* @param ike_sa IKE_SA this task works for
* @param initiator TRUE if task is initiated by us
* @return ike_me task to be handled by the task_manager
*/
ike_me_t *ike_me_create(ike_sa_t *ike_sa, bool initiator);
#endif /** IKE_ME_H_ @}*/
|
