libhydra: Move kernel interface 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 typedef struct private_kernel_pfkey_plugin_t private_kernel_pfkey_plugin_t;
22
23 /**
24 * private data of kernel PF_KEY plugin
25 */
26 struct private_kernel_pfkey_plugin_t {
27 /**
28 * implements plugin interface
29 */
30 kernel_pfkey_plugin_t public;
31 };
32
33 METHOD(plugin_t, get_name, char*,
34 private_kernel_pfkey_plugin_t *this)
35 {
36 return "kernel-pfkey";
37 }
38
39 METHOD(plugin_t, get_features, int,
40 private_kernel_pfkey_plugin_t *this, plugin_feature_t *features[])
41 {
42 static plugin_feature_t f[] = {
43 PLUGIN_CALLBACK(kernel_ipsec_register, kernel_pfkey_ipsec_create),
44 PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
45 };
46 *features = f;
47 return countof(f);
48 }
49
50 METHOD(plugin_t, destroy, void,
51 private_kernel_pfkey_plugin_t *this)
52 {
53 free(this);
54 }
55
56 /*
57 * see header file
58 */
59 plugin_t *kernel_pfkey_plugin_create()
60 {
61 private_kernel_pfkey_plugin_t *this;
62
63 if (!lib->caps->check(lib->caps, CAP_NET_ADMIN))
64 { /* required to open PF_KEY sockets */
65 DBG1(DBG_KNL, "kernel-pfkey plugin requires CAP_NET_ADMIN capability");
66 return NULL;
67 }
68
69 INIT(this,
70 .public = {
71 .plugin = {
72 .get_name = _get_name,
73 .get_features = _get_features,
74 .destroy = _destroy,
75 },
76 },
77 );
78
79 return &this->public.plugin;
80 }