kernel-libipsec: Add plugin that implements kernel_ipsec_t using libipsec
[strongswan.git] / src / libcharon / plugins / kernel_libipsec / kernel_libipsec_plugin.c
1 /*
2 * Copyright (C) 2012-2013 Tobias Brunner
3 * 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 #include "kernel_libipsec_plugin.h"
17 #include "kernel_libipsec_ipsec.h"
18
19 #include <ipsec.h>
20 #include <utils/debug.h>
21
22 typedef struct private_kernel_libipsec_plugin_t private_kernel_libipsec_plugin_t;
23
24 /**
25 * private data of "kernel" libipsec plugin
26 */
27 struct private_kernel_libipsec_plugin_t {
28
29 /**
30 * implements plugin interface
31 */
32 kernel_libipsec_plugin_t public;
33 };
34
35 METHOD(plugin_t, get_name, char*,
36 private_kernel_libipsec_plugin_t *this)
37 {
38 return "kernel-libipsec";
39 }
40
41 METHOD(plugin_t, get_features, int,
42 private_kernel_libipsec_plugin_t *this, plugin_feature_t *features[])
43 {
44 static plugin_feature_t f[] = {
45 PLUGIN_CALLBACK(kernel_ipsec_register, kernel_libipsec_ipsec_create),
46 PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
47 };
48 *features = f;
49 return countof(f);
50 }
51
52 METHOD(plugin_t, destroy, void,
53 private_kernel_libipsec_plugin_t *this)
54 {
55 libipsec_deinit();
56 free(this);
57 }
58
59 /*
60 * see header file
61 */
62 plugin_t *kernel_libipsec_plugin_create()
63 {
64 private_kernel_libipsec_plugin_t *this;
65
66 INIT(this,
67 .public = {
68 .plugin = {
69 .get_name = _get_name,
70 .get_features = _get_features,
71 .destroy = _destroy,
72 },
73 },
74 );
75
76 if (!libipsec_init())
77 {
78 DBG1(DBG_LIB, "initialization of libipsec failed");
79 destroy(this);
80 return NULL;
81 }
82
83 return &this->public.plugin;
84 }