libhydra: Move all kernel plugins to libcharon
[strongswan.git] / src / libcharon / plugins / kernel_netlink / kernel_netlink_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_netlink_plugin.h"
18
19 #include "kernel_netlink_ipsec.h"
20 #include "kernel_netlink_net.h"
21
22 #include <hydra.h>
23
24 typedef struct private_kernel_netlink_plugin_t private_kernel_netlink_plugin_t;
25
26 /**
27 * private data of kernel netlink plugin
28 */
29 struct private_kernel_netlink_plugin_t {
30 /**
31 * implements plugin interface
32 */
33 kernel_netlink_plugin_t public;
34 };
35
36 METHOD(plugin_t, get_name, char*,
37 private_kernel_netlink_plugin_t *this)
38 {
39 return "kernel-netlink";
40 }
41
42 METHOD(plugin_t, get_features, int,
43 private_kernel_netlink_plugin_t *this, plugin_feature_t *features[])
44 {
45 static plugin_feature_t f[] = {
46 PLUGIN_CALLBACK(kernel_ipsec_register, kernel_netlink_ipsec_create),
47 PLUGIN_PROVIDE(CUSTOM, "kernel-ipsec"),
48 PLUGIN_CALLBACK(kernel_net_register, kernel_netlink_net_create),
49 PLUGIN_PROVIDE(CUSTOM, "kernel-net"),
50 };
51 *features = f;
52 return countof(f);
53 }
54
55 METHOD(plugin_t, destroy, void,
56 private_kernel_netlink_plugin_t *this)
57 {
58 free(this);
59 }
60
61 /*
62 * see header file
63 */
64 plugin_t *kernel_netlink_plugin_create()
65 {
66 private_kernel_netlink_plugin_t *this;
67
68 if (!lib->caps->keep(lib->caps, CAP_NET_ADMIN))
69 { /* required to bind/use XFRM sockets / create/modify routing tables, but
70 * not if only the read-only parts of kernel-netlink-net are used, so
71 * we don't fail here */
72 DBG1(DBG_KNL, "kernel-netlink plugin might require CAP_NET_ADMIN "
73 "capability");
74 }
75
76 INIT(this,
77 .public = {
78 .plugin = {
79 .get_name = _get_name,
80 .get_features = _get_features,
81 .destroy = _destroy,
82 },
83 },
84 );
85
86 return &this->public.plugin;
87 }