Martin Willi
3ecfc83c6b
The old identifiers did not use a proper namespace and often clashed with other defines.
124 lines
2.6 KiB
C
124 lines
2.6 KiB
C
/*
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* Copyright (C) 2011 Martin Willi
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* Copyright (C) 2011 revosec AG
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "isakmp_dpd.h"
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#include <daemon.h>
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#include <encoding/payloads/notify_payload.h>
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typedef struct private_isakmp_dpd_t private_isakmp_dpd_t;
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/**
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* Private members of a isakmp_dpd_t task.
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*/
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struct private_isakmp_dpd_t {
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/**
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* Public methods and task_t interface.
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*/
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isakmp_dpd_t public;
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/**
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* Sequence number.
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*/
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u_int32_t seqnr;
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/**
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* DPD notify type
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*/
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notify_type_t type;
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/**
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* IKE SA we are serving.
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*/
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ike_sa_t *ike_sa;
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};
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METHOD(task_t, build, status_t,
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private_isakmp_dpd_t *this, message_t *message)
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{
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notify_payload_t *notify;
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ike_sa_id_t *ike_sa_id;
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u_int64_t spi_i, spi_r;
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u_int32_t seqnr;
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chunk_t spi;
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notify = notify_payload_create_from_protocol_and_type(PLV1_NOTIFY,
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PROTO_IKE, this->type);
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seqnr = htonl(this->seqnr);
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ike_sa_id = this->ike_sa->get_id(this->ike_sa);
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spi_i = ike_sa_id->get_initiator_spi(ike_sa_id);
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spi_r = ike_sa_id->get_responder_spi(ike_sa_id);
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spi = chunk_cata("cc", chunk_from_thing(spi_i), chunk_from_thing(spi_r));
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notify->set_spi_data(notify, spi);
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notify->set_notification_data(notify, chunk_from_thing(seqnr));
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message->add_payload(message, (payload_t*)notify);
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return SUCCESS;
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}
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METHOD(task_t, process, status_t,
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private_isakmp_dpd_t *this, message_t *message)
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{
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/* done in task manager */
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return FAILED;
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}
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METHOD(task_t, get_type, task_type_t,
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private_isakmp_dpd_t *this)
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{
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return TASK_ISAKMP_DPD;
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}
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METHOD(task_t, migrate, void,
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private_isakmp_dpd_t *this, ike_sa_t *ike_sa)
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{
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this->ike_sa = ike_sa;
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}
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METHOD(task_t, destroy, void,
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private_isakmp_dpd_t *this)
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{
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free(this);
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}
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/*
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* Described in header.
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*/
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isakmp_dpd_t *isakmp_dpd_create(ike_sa_t *ike_sa, notify_type_t type,
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u_int32_t seqnr)
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{
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private_isakmp_dpd_t *this;
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INIT(this,
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.public = {
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.task = {
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.get_type = _get_type,
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.build = _build,
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.process = _process,
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.migrate = _migrate,
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.destroy = _destroy,
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},
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},
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.ike_sa = ike_sa,
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.seqnr = seqnr,
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.type = type,
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);
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return &this->public;
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}
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