Added an advanced duplicate checking plugin with liveness check of old SA
[strongswan.git] / src / libcharon / plugins / duplicheck / duplicheck_plugin.c
1 /*
2 * Copyright (C) 2011 Martin Willi
3 * Copyright (C) 2011 revosec AG
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 #include "duplicheck_plugin.h"
17
18 #include "duplicheck_listener.h"
19
20 #include <daemon.h>
21
22 typedef struct private_duplicheck_plugin_t private_duplicheck_plugin_t;
23
24 /**
25 * Private data of duplicheck plugin
26 */
27 struct private_duplicheck_plugin_t {
28
29 /**
30 * Implements plugin interface
31 */
32 duplicheck_plugin_t public;
33
34 /**
35 * Listener doing duplicate checks
36 */
37 duplicheck_listener_t *listener;
38 };
39
40 METHOD(plugin_t, destroy, void,
41 private_duplicheck_plugin_t *this)
42 {
43 charon->bus->remove_listener(charon->bus, &this->listener->listener);
44 this->listener->destroy(this->listener);
45 free(this);
46 }
47
48 /**
49 * Plugin constructor
50 */
51 plugin_t *duplicheck_plugin_create()
52 {
53 private_duplicheck_plugin_t *this;
54
55 INIT(this,
56 .public = {
57 .plugin = {
58 .destroy = _destroy,
59 },
60 },
61 .listener = duplicheck_listener_create(),
62 );
63
64 charon->bus->add_listener(charon->bus, &this->listener->listener);
65
66 return &this->public.plugin;
67 }