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/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
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 3 of the License, or
(at your option) any later version.
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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "knot/updates/zone-update.h"
#include "knot/zone/zone.h"
#include "libknot/packet/pkt.h"
/*!
* \brief Checks update prerequisite section.
*
* \param query DNS message containing the update.
* \param update Zone to be checked.
* \param rcode Returned DNS RCODE.
*
* \return KNOT_E*
*/
int ddns_process_prereqs(const knot_pkt_t *query, zone_update_t *update,
uint16_t *rcode);
/*!
* \brief Processes DNS update and creates a changeset out of it. Zone is left
* intact.
*
* \param zone Zone to be updated.
* \param query DNS message containing the update.
* \param update Output changeset.
* \param rcode Output DNS RCODE.
*
* \return KNOT_E*
*/
int ddns_process_update(const zone_t *zone, const knot_pkt_t *query,
zone_update_t *update, uint16_t *rcode);
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