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/* Copyright (C) 2020 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 <stdint.h>
#include "libdnssec/nsec.h"
#include "knot/updates/changesets.h"
#include "knot/updates/zone-update.h"
#include "knot/zone/contents.h"
/*!
* \brief delete_nsec3_chain Delete all NSEC3 records and their RRSIGs.
*/
int delete_nsec3_chain(zone_update_t *up);
/*!
* \brief Creates new NSEC3 chain, add differences from current into a changeset.
*
* \param zone Zone to be checked.
* \param params NSEC3 parameters.
* \param ttl TTL for new records.
* \param update Zone update to stare immediate changes into.
*
* \return KNOT_E*
*/
int knot_nsec3_create_chain(const zone_contents_t *zone,
const dnssec_nsec3_params_t *params,
uint32_t ttl,
zone_update_t *update);
/*!
* \brief Updates zone's NSEC3 chain to follow the differences in zone update.
*
* \param update Zone Update structure holding the zone and its update. Also modified!
* \param params NSEC3 parameters.
* \param ttl TTL for new records.
*
* \retval KNOT_ENORECORD if the chain must be recreated from scratch.
* \return KNOT_E*
*/
int knot_nsec3_fix_chain(zone_update_t *update,
const dnssec_nsec3_params_t *params,
uint32_t ttl);
/*!
* \brief Validate NSEC3 chain in new_cont as whole.
*
* \note new_cont must have been adjusted already!
*/
int knot_nsec3_check_chain(zone_update_t *update, const dnssec_nsec3_params_t *params);
/*!
* \brief Validate NSEC3 chain in new_cont incrementally.
*/
int knot_nsec3_check_chain_fix(zone_update_t *update, const dnssec_nsec3_params_t *params);
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