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/*
* Copyright (C) 2011 Martin Willi
* Copyright (C) 2011 revosec AG
*
* 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 "hybrid_authenticator.h"
#include <daemon.h>
#include <sa/ikev1/authenticators/psk_v1_authenticator.h>
typedef struct private_hybrid_authenticator_t private_hybrid_authenticator_t;
/**
* Private data of an hybrid_authenticator_t object.
*/
struct private_hybrid_authenticator_t {
/**
* Public authenticator_t interface.
*/
hybrid_authenticator_t public;
/**
* Public key authenticator
*/
authenticator_t *sig;
/**
* HASH payload authenticator without credentials
*/
authenticator_t *hash;
};
METHOD(authenticator_t, build_i, status_t,
private_hybrid_authenticator_t *this, message_t *message)
{
return this->hash->build(this->hash, message);
}
METHOD(authenticator_t, process_r, status_t,
private_hybrid_authenticator_t *this, message_t *message)
{
return this->hash->process(this->hash, message);
}
METHOD(authenticator_t, build_r, status_t,
private_hybrid_authenticator_t *this, message_t *message)
{
return this->sig->build(this->sig, message);
}
METHOD(authenticator_t, process_i, status_t,
private_hybrid_authenticator_t *this, message_t *message)
{
return this->sig->process(this->sig, message);
}
METHOD(authenticator_t, destroy, void,
private_hybrid_authenticator_t *this)
{
DESTROY_IF(this->hash);
DESTROY_IF(this->sig);
free(this);
}
/*
* Described in header.
*/
hybrid_authenticator_t *hybrid_authenticator_create(ike_sa_t *ike_sa,
bool initiator, diffie_hellman_t *dh,
chunk_t dh_value, chunk_t sa_payload,
chunk_t id_payload)
{
private_hybrid_authenticator_t *this;
INIT(this,
.public = {
.authenticator = {
.is_mutual = (void*)return_false,
.destroy = _destroy,
},
},
.hash = (authenticator_t*)psk_v1_authenticator_create(ike_sa, initiator,
dh, dh_value, sa_payload, id_payload, TRUE),
.sig = authenticator_create_v1(ike_sa, initiator, AUTH_RSA, dh,
dh_value, sa_payload, chunk_clone(id_payload)),
);
if (!this->sig || !this->hash)
{
destroy(this);
return NULL;
}
if (initiator)
{
this->public.authenticator.build = _build_i;
this->public.authenticator.process = _process_i;
}
else
{
this->public.authenticator.build = _build_r;
this->public.authenticator.process = _process_r;
}
return &this->public;
}
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