blob: bb2318c9cfe63b34ef41ac3810db6cf49eb112d9 (
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
99
|
/*
* Copyright (C) 2007 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.
*/
/**
* @defgroup ike_mobike ike_mobike
* @{ @ingroup tasks_v2
*/
#ifndef IKE_MOBIKE_H_
#define IKE_MOBIKE_H_
typedef struct ike_mobike_t ike_mobike_t;
#include <library.h>
#include <sa/ike_sa.h>
#include <sa/task.h>
#include <networking/packet.h>
/**
* Task of type ike_mobike, detects and handles MOBIKE extension.
*
* The MOBIKE extension is defined in RFC4555. It allows to update IKE
* and IPsec tunnel addresses.
* This tasks handles the MOBIKE_SUPPORTED notify exchange to detect MOBIKE
* support, allows the exchange of ADDITIONAL_*_ADDRESS to exchange additional
* endpoints and handles the UPDATE_SA_ADDRESS notify to finally update
* endpoints.
*/
struct ike_mobike_t {
/**
* Implements the task_t interface
*/
task_t task;
/**
* Use the task to update the list of additional addresses.
*/
void (*addresses)(ike_mobike_t *this);
/**
* Use the task to roam to other addresses.
*
* @param address TRUE to include address list update
*/
void (*roam)(ike_mobike_t *this, bool address);
/**
* Use the task for a DPD check which detects changes in NAT mappings.
*/
void (*dpd)(ike_mobike_t *this);
/**
* Transmision hook, called by task manager.
*
* The task manager calls this hook whenever it transmits a packet. It
* allows the mobike task to send the packet on multiple paths to do path
* probing.
*
* @param packet the packet to transmit
* @return TRUE if transmitted, FALSE if no path found
*/
bool (*transmit)(ike_mobike_t *this, packet_t *packet);
/**
* Check if this task is probing for routability.
*
* @return TRUE if task is probing
*/
bool (*is_probing)(ike_mobike_t *this);
/**
* Enable probing for routability.
*/
void (*enable_probing)(ike_mobike_t *this);
};
/**
* Create a new ike_mobike task.
*
* @param ike_sa IKE_SA this task works for
* @param initiator TRUE if taks is initiated by us
* @return ike_mobike task to handle by the task_manager
*/
ike_mobike_t *ike_mobike_create(ike_sa_t *ike_sa, bool initiator);
#endif /** IKE_MOBIKE_H_ @}*/
|
