aead: Support custom AEAD salt sizes
[strongswan.git] / src / libstrongswan / plugins / constraints / constraints_plugin.c
1 /*
2 * Copyright (C) 2010 Martin Willi
3 * Copyright (C) 2010 revosec AG
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 "constraints_plugin.h"
17
18 #include <library.h>
19 #include "constraints_validator.h"
20
21 typedef struct private_constraints_plugin_t private_constraints_plugin_t;
22
23 /**
24 * private data of constraints_plugin
25 */
26 struct private_constraints_plugin_t {
27
28 /**
29 * public functions
30 */
31 constraints_plugin_t public;
32
33 /**
34 * Validator implementation instance.
35 */
36 constraints_validator_t *validator;
37 };
38
39 METHOD(plugin_t, get_name, char*,
40 private_constraints_plugin_t *this)
41 {
42 return "constraints";
43 }
44
45 /**
46 * Register validator
47 */
48 static bool plugin_cb(private_constraints_plugin_t *this,
49 plugin_feature_t *feature, bool reg, void *cb_data)
50 {
51 if (reg)
52 {
53 lib->credmgr->add_validator(lib->credmgr, &this->validator->validator);
54 }
55 else
56 {
57 lib->credmgr->remove_validator(lib->credmgr,
58 &this->validator->validator);
59 }
60 return TRUE;
61 }
62
63 METHOD(plugin_t, get_features, int,
64 private_constraints_plugin_t *this, plugin_feature_t *features[])
65 {
66 static plugin_feature_t f[] = {
67 PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
68 PLUGIN_PROVIDE(CUSTOM, "constraints"),
69 PLUGIN_SDEPEND(CERT_DECODE, CERT_X509),
70 };
71 *features = f;
72 return countof(f);
73 }
74
75 METHOD(plugin_t, destroy, void,
76 private_constraints_plugin_t *this)
77 {
78 this->validator->destroy(this->validator);
79 free(this);
80 }
81
82 /*
83 * see header file
84 */
85 plugin_t *constraints_plugin_create()
86 {
87 private_constraints_plugin_t *this;
88
89 INIT(this,
90 .public = {
91 .plugin = {
92 .get_name = _get_name,
93 .get_features = _get_features,
94 .destroy = _destroy,
95 },
96 },
97 .validator = constraints_validator_create(),
98 );
99
100 return &this->public.plugin;
101 }