105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
|
|
* 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_spi_t private_set_ike_spi_t;
|
|
|
|
/**
|
|
* Private data of an set_ike_spi_t object.
|
|
*/
|
|
struct private_set_ike_spi_t {
|
|
|
|
/**
|
|
* Implements the hook_t interface.
|
|
*/
|
|
hook_t hook;
|
|
|
|
/**
|
|
* Alter requests or responses?
|
|
*/
|
|
bool req;
|
|
|
|
/**
|
|
* ID of message to alter.
|
|
*/
|
|
int id;
|
|
|
|
/**
|
|
* Initiator SPI
|
|
*/
|
|
uint64_t spii;
|
|
|
|
/**
|
|
* Responder SPI
|
|
*/
|
|
uint64_t spir;
|
|
};
|
|
|
|
METHOD(listener_t, message, bool,
|
|
private_set_ike_spi_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)
|
|
{
|
|
ike_sa_id_t *id;
|
|
|
|
DBG1(DBG_CFG, "setting IKE SPIs to: 0x%llx/0x%llx",
|
|
this->spii, this->spir);
|
|
|
|
id = message->get_ike_sa_id(message);
|
|
id->set_initiator_spi(id, this->spii);
|
|
id->set_responder_spi(id, this->spir);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
METHOD(hook_t, destroy, void,
|
|
private_set_ike_spi_t *this)
|
|
{
|
|
free(this);
|
|
}
|
|
|
|
/**
|
|
* Create the IKE_AUTH fill hook
|
|
*/
|
|
hook_t *set_ike_spi_hook_create(char *name)
|
|
{
|
|
private_set_ike_spi_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),
|
|
.spii = strtoull(conftest->test->get_str(conftest->test,
|
|
"hooks.%s.spii", "0", name), NULL, 16),
|
|
.spir = strtoull(conftest->test->get_str(conftest->test,
|
|
"hooks.%s.spir", "0", name), NULL, 16),
|
|
);
|
|
|
|
return &this->hook;
|
|
}
|