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/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 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 "hook.h"
#include <encoding/payloads/ke_payload.h>
typedef struct private_log_ke_t private_log_ke_t;
/**
* Private data of an log_ke_t object.
*/
struct private_log_ke_t {
/**
* Implements the hook_t interface.
*/
hook_t hook;
};
METHOD(listener_t, message, bool,
private_log_ke_t *this, ike_sa_t *ike_sa, message_t *message,
bool incoming, bool plain)
{
if (incoming && plain)
{
enumerator_t *enumerator;
payload_t *payload;
ke_payload_t *ke;
enumerator = message->create_payload_enumerator(message);
while (enumerator->enumerate(enumerator, &payload))
{
if (payload->get_type(payload) == PLV2_KEY_EXCHANGE)
{
ke = (ke_payload_t*)payload;
DBG1(DBG_CFG, "received DH group %N",
diffie_hellman_group_names, ke->get_dh_group_number(ke));
}
}
enumerator->destroy(enumerator);
}
return TRUE;
}
METHOD(hook_t, destroy, void,
private_log_ke_t *this)
{
free(this);
}
/**
* Create the IKE_AUTH fill hook
*/
hook_t *log_ke_hook_create(char *name)
{
private_log_ke_t *this;
INIT(this,
.hook = {
.listener = {
.message = _message,
},
.destroy = _destroy,
},
);
return &this->hook;
}
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