767bdc64bd779bcaa51c71e4dcd4193d9cb41d05
[strongswan.git] / src / libcharon / plugins / stroke / stroke_plugin.c
1 /*
2 * Copyright (C) 2008 Martin Willi
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 "stroke_plugin.h"
17
18 #include <library.h>
19 #include "stroke_socket.h"
20
21 typedef struct private_stroke_plugin_t private_stroke_plugin_t;
22
23 /**
24 * private data of stroke_plugin
25 */
26 struct private_stroke_plugin_t {
27
28 /**
29 * public functions
30 */
31 stroke_plugin_t public;
32
33 /**
34 * stroke socket, receives strokes
35 */
36 stroke_socket_t *socket;
37 };
38
39 METHOD(plugin_t, get_name, char*,
40 private_stroke_plugin_t *this)
41 {
42 return "stroke";
43 }
44
45 /**
46 * Register stroke plugin features
47 */
48 static bool register_stroke(private_stroke_plugin_t *this,
49 plugin_feature_t *feature, bool reg, void *data)
50 {
51 if (reg)
52 {
53 this->socket = stroke_socket_create();
54 }
55 else
56 {
57 DESTROY_IF(this->socket);
58 }
59 return TRUE;
60 }
61
62 METHOD(plugin_t, get_features, int,
63 private_stroke_plugin_t *this, plugin_feature_t *features[])
64 {
65 static plugin_feature_t f[] = {
66 PLUGIN_CALLBACK((plugin_feature_callback_t)register_stroke, NULL),
67 PLUGIN_PROVIDE(CUSTOM, "stroke"),
68 PLUGIN_SDEPEND(PRIVKEY, KEY_RSA),
69 PLUGIN_SDEPEND(PRIVKEY, KEY_ECDSA),
70 PLUGIN_SDEPEND(PRIVKEY, KEY_DSA),
71 PLUGIN_SDEPEND(CERT_DECODE, CERT_ANY),
72 PLUGIN_SDEPEND(CERT_DECODE, CERT_X509),
73 PLUGIN_SDEPEND(CERT_DECODE, CERT_X509_CRL),
74 PLUGIN_SDEPEND(CERT_DECODE, CERT_X509_AC),
75 PLUGIN_SDEPEND(CERT_DECODE, CERT_TRUSTED_PUBKEY),
76 };
77 *features = f;
78 return countof(f);
79 }
80
81 METHOD(plugin_t, destroy, void,
82 private_stroke_plugin_t *this)
83 {
84 free(this);
85 }
86
87 /*
88 * see header file
89 */
90 plugin_t *stroke_plugin_create()
91 {
92 private_stroke_plugin_t *this;
93
94 if (!lib->caps->check(lib->caps, CAP_CHOWN))
95 { /* required to chown(2) stroke socket */
96 DBG1(DBG_CFG, "stroke plugin requires CAP_CHOWN capability");
97 return NULL;
98 }
99
100 INIT(this,
101 .public = {
102 .plugin = {
103 .get_name = _get_name,
104 .reload = (void*)return_false,
105 .get_features = _get_features,
106 .destroy = _destroy,
107 },
108 },
109 );
110
111 return &this->public.plugin;
112 }
113