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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef DNS_SOA_H #define DNS_SOA_H 1 /***** ***** Module Info *****/ /*! \file dns/soa.h * \brief * SOA utilities. */ /*** *** Imports ***/ #include <isc/lang.h> #include <isc/types.h> #include <dns/types.h> ISC_LANG_BEGINDECLS #define DNS_SOA_BUFFERSIZE ((2 * DNS_NAME_MAXWIRE) + (4 * 5)) isc_result_t dns_soa_buildrdata(dns_name_t *origin, dns_name_t *contact, dns_rdataclass_t rdclass, isc_uint32_t serial, isc_uint32_t refresh, isc_uint32_t retry, isc_uint32_t expire, isc_uint32_t minimum, unsigned char *buffer, dns_rdata_t *rdata); /*%< * Build the rdata of an SOA record. * * Requires: *\li buffer Points to a temporary buffer of at least * DNS_SOA_BUFFERSIZE bytes. *\li rdata Points to an initialized dns_rdata_t. * * Ensures: * \li *rdata Contains a valid SOA rdata. The 'data' member * refers to 'buffer'. */ isc_uint32_t dns_soa_getserial(dns_rdata_t *rdata); isc_uint32_t dns_soa_getrefresh(dns_rdata_t *rdata); isc_uint32_t dns_soa_getretry(dns_rdata_t *rdata); isc_uint32_t dns_soa_getexpire(dns_rdata_t *rdata); isc_uint32_t dns_soa_getminimum(dns_rdata_t *rdata); /* * Extract an integer field from the rdata of a SOA record. * * Requires: * rdata refers to the rdata of a well-formed SOA record. */ void dns_soa_setserial(isc_uint32_t val, dns_rdata_t *rdata); void dns_soa_setrefresh(isc_uint32_t val, dns_rdata_t *rdata); void dns_soa_setretry(isc_uint32_t val, dns_rdata_t *rdata); void dns_soa_setexpire(isc_uint32_t val, dns_rdata_t *rdata); void dns_soa_setminimum(isc_uint32_t val, dns_rdata_t *rdata); /* * Change an integer field of a SOA record by modifying the * rdata in-place. * * Requires: * rdata refers to the rdata of a well-formed SOA record. */ ISC_LANG_ENDDECLS #endif /* DNS_SOA_H */