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/*
* Copyright (C) 2012-2013 Tobias Brunner
* Copyright (C) 2012 Giuliano Grassi
* Copyright (C) 2012 Ralf Sager
* 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 "android_attr.h"
#include "../charonservice.h"
#include <hydra.h>
#include <utils/debug.h>
#include <library.h>
typedef struct private_android_attr_t private_android_attr_t;
/**
* Private data of an android_attr_t object.
*/
struct private_android_attr_t {
/**
* Public interface.
*/
android_attr_t public;
};
METHOD(attribute_handler_t, handle, bool,
private_android_attr_t *this, ike_sa_t *ike_sa,
configuration_attribute_type_t type, chunk_t data)
{
vpnservice_builder_t *builder;
host_t *dns;
switch (type)
{
case INTERNAL_IP4_DNS:
dns = host_create_from_chunk(AF_INET, data, 0);
break;
case INTERNAL_IP6_DNS:
dns = host_create_from_chunk(AF_INET6, data, 0);
break;
default:
return FALSE;
}
if (!dns || dns->is_anyaddr(dns))
{
DESTROY_IF(dns);
return FALSE;
}
builder = charonservice->get_vpnservice_builder(charonservice);
builder->add_dns(builder, dns);
dns->destroy(dns);
return TRUE;
}
METHOD(attribute_handler_t, release, void,
private_android_attr_t *this, ike_sa_t *ike_sa,
configuration_attribute_type_t type, chunk_t data)
{
/* DNS servers cannot be removed from an existing TUN device */
}
METHOD(enumerator_t, enumerate_dns6, bool,
enumerator_t *this, configuration_attribute_type_t *type, chunk_t *data)
{
*type = INTERNAL_IP6_DNS;
*data = chunk_empty;
this->enumerate = (void*)return_false;
return TRUE;
}
METHOD(enumerator_t, enumerate_dns4, bool,
enumerator_t *this, configuration_attribute_type_t *type, chunk_t *data)
{
*type = INTERNAL_IP4_DNS;
*data = chunk_empty;
this->enumerate = (void*)_enumerate_dns6;
return TRUE;
}
METHOD(attribute_handler_t, create_attribute_enumerator, enumerator_t*,
private_android_attr_t *this, ike_sa_t *ike_sa, linked_list_t *vips)
{
enumerator_t *enumerator;
INIT(enumerator,
.enumerate = (void*)_enumerate_dns4,
.destroy = (void*)free,
);
return enumerator;
}
METHOD(android_attr_t, destroy, void,
private_android_attr_t *this)
{
free(this);
}
/**
* Described in header
*/
android_attr_t *android_attr_create()
{
private_android_attr_t *this;
INIT(this,
.public = {
.handler = {
.handle = _handle,
.release = _release,
.create_attribute_enumerator = _create_attribute_enumerator,
},
.destroy = _destroy,
},
);
return &this->public;
}
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