libhydra: Move all kernel plugins to libcharon
[strongswan.git] / src / libcharon / plugins / kernel_pfkey / kernel_pfkey_plugin.c
1 /*
2 * Copyright (C) 2008 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
17 #include "kernel_pfkey_plugin.h"
18
19 #include "kernel_pfkey_ipsec.h"
20
21 #include <hydra.h>
22
23 typedef struct private_kernel_pfkey_plugin_t private_kernel_pfkey_plugin_t;
24
25 /**
26 * private data of kernel PF_KEY plugin
27 */
28 struct private_kernel_pfkey_plugin_t {
29 /**
30 * implements plugin interface
31 */
32 kernel_pfkey_plugin_t public;
33 };
34
35 METHOD(plugin_t, get_name, char*,
36 private_kernel_pfkey_plugin_t *this)
37 {
38 return "kernel-pfkey";
39 }
40
41 METHOD(plugin_t, get_features, int,
42 private_kernel_pfkey_plugin_t *this, plugin_feature_t *features[])
43 {
44 static plugin_feature_t f[] = {
45 PLUGIN_CALLBACK(kernel_ipsec_register, kernel_pfkey_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_pfkey_plugin_t *this)
54 {
55 free(this);
56 }
57
58 /*
59 * see header file
60 */
61 plugin_t *kernel_pfkey_plugin_create()
62 {
63 private_kernel_pfkey_plugin_t *this;
64
65 if (!lib->caps->check(lib->caps, CAP_NET_ADMIN))
66 { /* required to open PF_KEY sockets */
67 DBG1(DBG_KNL, "kernel-pfkey plugin requires CAP_NET_ADMIN capability");
68 return NULL;
69 }
70
71 INIT(this,
72 .public = {
73 .plugin = {
74 .get_name = _get_name,
75 .get_features = _get_features,
76 .destroy = _destroy,
77 },
78 },
79 );
80
81 return &this->public.plugin;
82 }