Annotation of embedaddon/strongswan/src/libcharon/sa/ikev2/tasks/ike_me.h, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2007 Tobias Brunner
3: * HSR 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:
16: /**
17: * @defgroup ike_me ike_me
18: * @{ @ingroup tasks_v2
19: */
20:
21: #ifndef IKE_ME_H_
22: #define IKE_ME_H_
23:
24: typedef struct ike_me_t ike_me_t;
25:
26: #include <library.h>
27: #include <sa/ike_sa.h>
28: #include <sa/task.h>
29:
30: /**
31: * Task of type TASK_IKE_ME, detects and handles IKE-ME extensions.
32: *
33: * This tasks handles the ME_MEDIATION Notify exchange to setup a mediation
34: * connection, allows to initiate mediated connections using ME_CONNECT
35: * exchanges and to request reflexive addresses from the mediation server using
36: * ME_ENDPOINT notifies.
37: *
38: * @note This task has to be activated before the IKE_AUTH task, because that
39: * task generates the IKE_SA_INIT message so that no more payloads can be added
40: * to it afterwards.
41: */
42: struct ike_me_t {
43: /**
44: * Implements the task_t interface
45: */
46: task_t task;
47:
48: /**
49: * Initiates a connection with another peer (i.e. sends a ME_CONNECT
50: * to the mediation server)
51: *
52: * @param peer_id ID of the other peer (gets cloned)
53: */
54: void (*connect)(ike_me_t *this, identification_t *peer_id);
55:
56: /**
57: * Responds to a ME_CONNECT from another peer (i.e. sends a ME_CONNECT
58: * to the mediation server)
59: *
60: * Data gets cloned.
61: *
62: * @param peer_id ID of the other peer
63: * @param connect_id the connect ID as provided by the initiator
64: */
65: void (*respond)(ike_me_t *this, identification_t *peer_id,
66: chunk_t connect_id);
67:
68: /**
69: * Sends a ME_CALLBACK to a peer that previously requested some other peer.
70: *
71: * @param peer_id ID of the other peer (gets cloned)
72: */
73: void (*callback)(ike_me_t *this, identification_t *peer_id);
74:
75: /**
76: * Relays data to another peer (i.e. sends a ME_CONNECT to the peer)
77: *
78: * Data gets cloned.
79: *
80: * @param requester ID of the requesting peer
81: * @param connect_id content of the ME_CONNECTID notify
82: * @param connect_key content of the ME_CONNECTKEY notify
83: * @param endpoints endpoints
84: * @param response TRUE if this is a response
85: */
86: void (*relay)(ike_me_t *this, identification_t *requester,
87: chunk_t connect_id, chunk_t connect_key,
88: linked_list_t *endpoints, bool response);
89: };
90:
91: /**
92: * Create a new ike_me task.
93: *
94: * @param ike_sa IKE_SA this task works for
95: * @param initiator TRUE if task is initiated by us
96: * @return ike_me task to be handled by the task_manager
97: */
98: ike_me_t *ike_me_create(ike_sa_t *ike_sa, bool initiator);
99:
100: #endif /** IKE_ME_H_ @}*/
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