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1.1 misho 1: /*
2: * Copyright (C) 2007-2008 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 connect_manager connect_manager
18: * @{ @ingroup ikev2
19: */
20:
21: #ifndef CONNECT_MANAGER_H_
22: #define CONNECT_MANAGER_H_
23:
24: typedef struct connect_manager_t connect_manager_t;
25:
26: #include <encoding/message.h>
27: #include <sa/ike_sa_id.h>
28: #include <utils/identification.h>
29:
30: /**
31: * The connection manager is responsible for establishing a direct
32: * connection with another peer.
33: */
34: struct connect_manager_t {
35:
36: /**
37: * Checks if a there is already a mediated connection registered
38: * between two peers.
39: *
40: * @param id my id
41: * @param peer_id the other peer's id
42: * @param mediated_sa the IKE_SA ID of the mediated connection
43: * @returns
44: * - TRUE, if a mediated connection is registered
45: * - FALSE, otherwise
46: */
47: bool (*check_and_register) (connect_manager_t *this, identification_t *id,
48: identification_t *peer_id,
49: ike_sa_id_t *mediated_sa);
50:
51: /**
52: * Checks if there are waiting connections with a specific peer.
53: * If so, reinitiate them.
54: *
55: * @param id my id
56: * @param peer_id the other peer's id
57: */
58: void (*check_and_initiate) (connect_manager_t *this,
59: ike_sa_id_t *mediation_sa, identification_t *id,
60: identification_t *peer_id);
61:
62: /**
63: * Creates a checklist and sets the initiator's data.
64: *
65: * @param initiator ID of the initiator
66: * @param responder ID of the responder
67: * @param connect_id the connect ID provided by the initiator
68: * @param key the initiator's key
69: * @param endpoints the initiator's endpoints
70: * @param is_initiator TRUE, if the caller of this method is the initiator
71: * @returns SUCCESS
72: */
73: status_t (*set_initiator_data) (connect_manager_t *this,
74: identification_t *initiator,
75: identification_t *responder,
76: chunk_t connect_id, chunk_t key,
77: linked_list_t *endpoints,
78: bool is_initiator);
79:
80: /**
81: * Updates a checklist and sets the responder's data. The checklist's
82: * state is advanced to WAITING which means that checks will be sent.
83: *
84: * @param connect_id the connect ID
85: * @param chunk_t the responder's key
86: * @param endpoints the responder's endpoints
87: * @returns
88: * - NOT_FOUND, if the checklist has not been found
89: * - SUCCESS, otherwise
90: */
91: status_t (*set_responder_data) (connect_manager_t *this,
92: chunk_t connect_id, chunk_t key,
93: linked_list_t *endpoints);
94:
95: /**
96: * Stops checks for a checklist. Called after the responder received an
97: * IKE_SA_INIT request which contains a ME_CONNECTID payload.
98: *
99: * @param connect_id the connect ID
100: * @returns
101: * - NOT_FOUND, if the checklist has not been found
102: * - SUCCESS, otherwise
103: */
104: status_t (*stop_checks) (connect_manager_t *this, chunk_t connect_id);
105:
106: /**
107: * Processes a connectivity check
108: *
109: * @param message the received message
110: */
111: void (*process_check) (connect_manager_t *this, message_t *message);
112:
113: /**
114: * Destroys the manager with all data.
115: */
116: void (*destroy) (connect_manager_t *this);
117: };
118:
119: /**
120: * Create a manager.
121: *
122: * @returns connect_manager_t object
123: */
124: connect_manager_t *connect_manager_create(void);
125:
126: #endif /** CONNECT_MANAGER_H_ @}*/