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/*
* Copyright (C) 2017 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "tpm_plugin.h"
#include "tpm_private_key.h"
#include "tpm_cert.h"
#include "tpm_rng.h"
#include <library.h>
typedef struct private_tpm_plugin_t private_tpm_plugin_t;
/**
* private data of tpm_plugin
*/
struct private_tpm_plugin_t {
/**
* public functions
*/
tpm_plugin_t public;
};
METHOD(plugin_t, get_name, char*,
private_tpm_plugin_t *this)
{
return "tpm";
}
METHOD(plugin_t, get_features, int,
private_tpm_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f_rng[] = {
PLUGIN_REGISTER(RNG, tpm_rng_create),
PLUGIN_PROVIDE(RNG, RNG_STRONG),
PLUGIN_PROVIDE(RNG, RNG_TRUE),
};
static plugin_feature_t f_privkey[] = {
PLUGIN_REGISTER(PRIVKEY, tpm_private_key_connect, FALSE),
PLUGIN_PROVIDE(PRIVKEY, KEY_ANY),
};
static plugin_feature_t f_cert[] = {
PLUGIN_REGISTER(CERT_DECODE, tpm_cert_load, FALSE),
PLUGIN_PROVIDE(CERT_DECODE, CERT_X509),
PLUGIN_DEPENDS(CERT_DECODE, CERT_X509),
};
static plugin_feature_t f[countof(f_rng) + countof(f_privkey) +
countof(f_cert)] = {};
static int count = 0;
if (!count)
{
plugin_features_add(f, f_privkey, countof(f_privkey), &count);
plugin_features_add(f, f_cert, countof(f_cert), &count);
if (lib->settings->get_bool(lib->settings,
"%s.plugins.tpm.use_rng", FALSE, lib->ns))
{
plugin_features_add(f, f_rng, countof(f_rng), &count);
}
}
*features = f;
return count;
}
METHOD(plugin_t, destroy, void,
private_tpm_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *tpm_plugin_create()
{
private_tpm_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.destroy = _destroy,
},
},
);
return &this->public.plugin;
}
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