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/*
* Copyright (C) 2008 Martin Willi
* 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 "updown_plugin.h"
#include "updown_listener.h"
#include "updown_handler.h"
#include <daemon.h>
typedef struct private_updown_plugin_t private_updown_plugin_t;
/**
* private data of updown plugin
*/
struct private_updown_plugin_t {
/**
* implements plugin interface
*/
updown_plugin_t public;
/**
* Listener interface, listens to CHILD_SA state changes
*/
updown_listener_t *listener;
/**
* Attribute handler, to pass DNS servers to updown
*/
updown_handler_t *handler;
};
METHOD(plugin_t, get_name, char*,
private_updown_plugin_t *this)
{
return "updown";
}
/**
* Register listener
*/
static bool plugin_cb(private_updown_plugin_t *this,
plugin_feature_t *feature, bool reg, void *cb_data)
{
if (reg)
{
if (lib->settings->get_bool(lib->settings,
"%s.plugins.updown.dns_handler", FALSE, lib->ns))
{
this->handler = updown_handler_create();
charon->attributes->add_handler(charon->attributes,
&this->handler->handler);
}
this->listener = updown_listener_create(this->handler);
charon->bus->add_listener(charon->bus, &this->listener->listener);
}
else
{
charon->bus->remove_listener(charon->bus, &this->listener->listener);
this->listener->destroy(this->listener);
if (this->handler)
{
this->handler->destroy(this->handler);
charon->attributes->remove_handler(charon->attributes,
&this->handler->handler);
}
}
return TRUE;
}
METHOD(plugin_t, get_features, int,
private_updown_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
PLUGIN_PROVIDE(CUSTOM, "updown"),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, destroy, void,
private_updown_plugin_t *this)
{
free(this);
}
/*
* see header file
*/
plugin_t *updown_plugin_create()
{
private_updown_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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