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/*
* Copyright (C) 2013 Tobias Brunner
* Copyright (C) 2012 Reto Guadagnini
* 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 "ipseckey_plugin.h"
#include <daemon.h>
#include "ipseckey_cred.h"
typedef struct private_ipseckey_plugin_t private_ipseckey_plugin_t;
/**
* private data of the ipseckey plugin
*/
struct private_ipseckey_plugin_t {
/**
* implements plugin interface
*/
ipseckey_plugin_t public;
/**
* credential set
*/
ipseckey_cred_t *cred;
/**
* IPSECKEY based authentication enabled
*/
bool enabled;
};
METHOD(plugin_t, get_name, char*,
private_ipseckey_plugin_t *this)
{
return "ipseckey";
}
METHOD(plugin_t, reload, bool,
private_ipseckey_plugin_t *this)
{
bool enabled = lib->settings->get_bool(lib->settings,
"%s.plugins.ipseckey.enable", FALSE, charon->name);
if (enabled != this->enabled)
{
if (enabled)
{
lib->credmgr->add_set(lib->credmgr, &this->cred->set);
}
else
{
lib->credmgr->remove_set(lib->credmgr, &this->cred->set);
}
this->enabled = enabled;
}
DBG1(DBG_CFG, "ipseckey plugin is %sabled", this->enabled ? "en" : "dis");
return TRUE;
}
/**
* Create resolver and register credential set
*/
static bool plugin_cb(private_ipseckey_plugin_t *this,
plugin_feature_t *feature, bool reg, void *cb_data)
{
if (reg)
{
resolver_t *res;
res = lib->resolver->create(lib->resolver);
if (!res)
{
DBG1(DBG_CFG, "failed to create a DNS resolver instance");
return FALSE;
}
this->cred = ipseckey_cred_create(res);
reload(this);
}
else
{
if (this->enabled)
{
lib->credmgr->remove_set(lib->credmgr, &this->cred->set);
}
this->cred->destroy(this->cred);
}
return TRUE;
}
METHOD(plugin_t, get_features, int,
private_ipseckey_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
PLUGIN_PROVIDE(CUSTOM, "ipseckey"),
PLUGIN_DEPENDS(RESOLVER),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, destroy, void,
private_ipseckey_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *ipseckey_plugin_create()
{
private_ipseckey_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.reload = _reload,
.destroy = _destroy,
},
},
);
return &this->public.plugin;
}
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