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1 /*	$NetBSD: evt.h,v 1.7 2008/12/23 14:03:12 tteras Exp $	*/
2 
3 /* Id: evt.h,v 1.5 2006/01/19 10:24:09 fredsen Exp */
4 
5 /*
6  * Copyright (C) 2004 Emmanuel Dreyfus
7  * Copyright (C) 2008 Timo Teras
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the project nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef _EVT_H
36 #define _EVT_H
37 
38 /*
39  * Old style (deprecated) events which are polled.
40  */
41 
42 struct evtdump {
43 	size_t len;
44 	struct sockaddr_storage src;
45 	struct sockaddr_storage dst;
46 	time_t timestamp;
47 	int type;
48 	/*
49 	 * Optionnal list of struct isakmp_data
50 	 * for type EVTT_ISAKMP_CFG_DONE
51 	 */
52 };
53 
54 /* type */
55 #define EVTT_UNSEPC		0
56 #define EVTT_PHASE1_UP		1
57 #define EVTT_PHASE1_DOWN	2
58 #define EVTT_XAUTH_SUCCESS	3
59 #define EVTT_ISAKMP_CFG_DONE	4
60 #define EVTT_PHASE2_UP		5
61 #define EVTT_PHASE2_DOWN	6
62 #define EVTT_DPD_TIMEOUT	7
63 #define EVTT_PEER_NO_RESPONSE	8
64 #define EVTT_PEER_DELETE	9
65 #define EVTT_RACOON_QUIT	10
66 #define EVTT_XAUTH_FAILED	11
67 #define EVTT_OVERFLOW		12	/* Event queue overflowed */
68 #define EVTT_PEERPH1AUTH_FAILED	13
69 #define EVTT_PEERPH1_NOPROP	14	/* NO_PROPOSAL_CHOSEN & friends */
70 #define EVTT_NO_ISAKMP_CFG	15	/* no need to wait for mode_cfg */
71 
72 /*
73  * New style, asynchronous events.
74  */
75 
76 struct evt_async {
77 	uint32_t ec_type;
78 	time_t ec_timestamp;
79 
80 	struct sockaddr_storage ec_ph1src;
81 	struct sockaddr_storage ec_ph1dst;
82 	u_int32_t ec_ph2msgid;
83 
84 	/*
85 	 * Optionnal list of struct isakmp_data
86 	 * for type EVTT_ISAKMP_CFG_DONE
87 	 */
88 };
89 
90 /* type */
91 #define EVT_RACOON_QUIT			0x0001
92 
93 #define EVT_PHASE1_UP			0x0100
94 #define EVT_PHASE1_DOWN			0x0101
95 #define EVT_PHASE1_NO_RESPONSE		0x0102
96 #define EVT_PHASE1_NO_PROPOSAL		0x0103
97 #define EVT_PHASE1_AUTH_FAILED		0x0104
98 #define EVT_PHASE1_DPD_TIMEOUT		0x0105
99 #define EVT_PHASE1_PEER_DELETED		0x0106
100 #define EVT_PHASE1_MODE_CFG		0x0107
101 #define EVT_PHASE1_XAUTH_SUCCESS	0x0108
102 #define EVT_PHASE1_XAUTH_FAILED		0x0109
103 
104 #define EVT_PHASE2_NO_PHASE1		0x0200
105 #define EVT_PHASE2_UP			0x0201
106 #define EVT_PHASE2_DOWN			0x0202
107 #define EVT_PHASE2_NO_RESPONSE		0x0203
108 
109 #ifdef ENABLE_ADMINPORT
110 
111 struct ph1handle;
112 struct ph2handle;
113 
114 struct evt_listener {
115 	LIST_ENTRY(evt_listener) ll_chain;
116 	int fd;
117 };
118 LIST_HEAD(evt_listener_list, evt_listener);
119 #define EVT_LISTENER_LIST(x) struct evt_listener_list x
120 
121 void evt_generic __P((int type, vchar_t *optdata));
122 void evt_phase1 __P((const struct ph1handle *ph1, int type, vchar_t *optdata));
123 void evt_phase2 __P((const struct ph2handle *ph2, int type, vchar_t *optdata));
124 vchar_t *evt_dump __P((void));
125 
126 int  evt_subscribe __P((struct evt_listener_list *list, int fd));
127 void evt_list_init __P((struct evt_listener_list *list));
128 void evt_list_cleanup __P((struct evt_listener_list *list));
129 
130 #else
131 
132 #define EVT_LISTENER_LIST(x)
133 
134 #define evt_generic(type, optdata) ;
135 #define evt_phase1(ph1, type, optdata) ;
136 #define evt_phase2(ph2, type, optdata) ;
137 
138 #define evt_subscribe(eventlist, fd) ;
139 #define evt_list_init(eventlist) ;
140 #define evt_list_cleanup(eventlist) ;
141 #define evt_get_fdmask(nfds, fdset) nfds
142 #define evt_handle_fdmask(fdset) ;
143 
144 #endif /* ENABLE_ADMINPORT */
145 
146 #endif /* _EVT_H */
147