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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/unknown_payload.h>
typedef struct private_set_ike_version_t private_set_ike_version_t;
/**
* Private data of an set_ike_version_t object.
*/
struct private_set_ike_version_t {
/**
* Implements the hook_t interface.
*/
hook_t hook;
/**
* Alter requests or responses?
*/
bool req;
/**
* ID of message to alter.
*/
int id;
/**
* Major version to set
*/
int major;
/**
* Minor version to set
*/
int minor;
/**
* Higher version supported?
*/
bool higher;
};
METHOD(listener_t, message, bool,
private_set_ike_version_t *this, ike_sa_t *ike_sa, message_t *message,
bool incoming, bool plain)
{
if (!incoming && plain &&
message->get_request(message) == this->req &&
message->get_message_id(message) == this->id)
{
DBG1(DBG_CFG, "setting IKE version of message ID %d to %d.%d",
this->id, this->major, this->minor);
message->set_major_version(message, this->major);
message->set_minor_version(message, this->minor);
if (this->higher)
{
message->set_version_flag(message);
}
}
return TRUE;
}
METHOD(hook_t, destroy, void,
private_set_ike_version_t *this)
{
free(this);
}
/**
* Create the IKE_AUTH fill hook
*/
hook_t *set_ike_version_hook_create(char *name)
{
private_set_ike_version_t *this;
INIT(this,
.hook = {
.listener = {
.message = _message,
},
.destroy = _destroy,
},
.req = conftest->test->get_bool(conftest->test,
"hooks.%s.request", TRUE, name),
.id = conftest->test->get_int(conftest->test,
"hooks.%s.id", 0, name),
.major = conftest->test->get_int(conftest->test,
"hooks.%s.major", 2, name),
.minor = conftest->test->get_int(conftest->test,
"hooks.%s.minor", 0, name),
.higher = conftest->test->get_bool(conftest->test,
"hooks.%s.higher", FALSE, name),
);
return &this->hook;
}
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