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PATH: usr / include / bind9 / dns

/*
 * 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_NSEC_H
#define DNS_NSEC_H 1

/*! \file dns/nsec.h */

#include <isc/lang.h>

#include <dns/types.h>
#include <dns/name.h>

#define DNS_NSEC_BUFFERSIZE (DNS_NAME_MAXWIRE + 8192 + 512)

ISC_LANG_BEGINDECLS

isc_result_t
dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version,
		    dns_dbnode_t *node, dns_name_t *target,
		    unsigned char *buffer, dns_rdata_t *rdata);
/*%<
 * Build the rdata of a NSEC record.
 *
 * Requires:
 *\li	buffer	Points to a temporary buffer of at least
 * 		DNS_NSEC_BUFFERSIZE bytes.
 *\li	rdata	Points to an initialized dns_rdata_t.
 *
 * Ensures:
 *  \li    *rdata	Contains a valid NSEC rdata.  The 'data' member refers
 *		to 'buffer'.
 */

isc_result_t
dns_nsec_build(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
	       dns_name_t *target, dns_ttl_t ttl);
/*%<
 * Build a NSEC record and add it to a database.
 */

isc_boolean_t
dns_nsec_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type);
/*%<
 * Determine if a type is marked as present in an NSEC record.
 *
 * Requires:
 *\li	'nsec' points to a valid rdataset of type NSEC
 */

isc_result_t
dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version,
		  isc_boolean_t *answer);
/*
 * Report whether the DNSKEY RRset has a NSEC only algorithm.  Unknown
 * algorithms are assumed to support NSEC3.  If DNSKEY is not found,
 * *answer is set to ISC_FALSE, and ISC_R_NOTFOUND is returned.
 *
 * Requires:
 * 	'answer' to be non NULL.
 */

unsigned int
dns_nsec_compressbitmap(unsigned char *map, const unsigned char *raw,
			unsigned int max_type);
/*%<
 * Convert a raw bitmap into a compressed windowed bit map.  'map' and 'raw'
 * may overlap.
 *
 * Returns the length of the compressed windowed bit map.
 */

void
dns_nsec_setbit(unsigned char *array, unsigned int type, unsigned int bit);
/*%<
 * Set type bit in raw 'array' to 'bit'.
 */

isc_boolean_t
dns_nsec_isset(const unsigned char *array, unsigned int type);
/*%<
 * Test if the corresponding 'type' bit is set in 'array'.
 */

isc_result_t
dns_nsec_noexistnodata(dns_rdatatype_t type, dns_name_t *name,
		       dns_name_t *nsecname, dns_rdataset_t *nsecset,
		       isc_boolean_t *exists, isc_boolean_t *data,
		       dns_name_t *wild, dns_nseclog_t log, void *arg);
/*%
 * Return ISC_R_SUCCESS if we can determine that the name doesn't exist
 * or we can determine whether there is data or not at the name.
 * If the name does not exist return the wildcard name.
 *
 * Return ISC_R_IGNORE when the NSEC is not the appropriate one.
 */

ISC_LANG_ENDDECLS

#endif /* DNS_NSEC_H */

[-] diff.h [edit]
[-] callbacks.h [edit]
[-] badcache.h [edit]
[-] version.h [edit]
[-] rdataslab.h [edit]
[-] nsec3.h [edit]
[-] dlz_dlopen.h [edit]
[-] validator.h [edit]
[-] rdatasetiter.h [edit]
[-] rriterator.h [edit]
[-] rdata.h [edit]
[-] stats.h [edit]
[+] ..
[-] opcode.h [edit]
[-] dbtable.h [edit]
[-] geoip.h [edit]
[-] catz.h [edit]
[-] journal.h [edit]
[-] zt.h [edit]
[-] tkey.h [edit]
[-] rdatatype.h [edit]
[-] result.h [edit]
[-] view.h [edit]
[-] acache.h [edit]
[-] message.h [edit]
[-] byaddr.h [edit]
[-] dsdigest.h [edit]
[-] rdatastruct.h [edit]
[-] clientinfo.h [edit]
[-] rbt.h [edit]
[-] sdlz.h [edit]
[-] cache.h [edit]
[-] zonekey.h [edit]
[-] acl.h [edit]
[-] enumclass.h [edit]
[-] log.h [edit]
[-] portlist.h [edit]
[-] rdataset.h [edit]
[-] tcpmsg.h [edit]
[-] client.h [edit]
[-] zone.h [edit]
[-] time.h [edit]
[-] xfrin.h [edit]
[-] secproto.h [edit]
[-] rcode.h [edit]
[-] dyndb.h [edit]
[-] peer.h [edit]
[-] ttl.h [edit]
[-] types.h [edit]
[-] rrl.h [edit]
[-] rootns.h [edit]
[-] keytable.h [edit]
[-] forward.h [edit]
[-] ipkeylist.h [edit]
[-] timer.h [edit]
[-] ds.h [edit]
[-] dnstap.h [edit]
[-] dispatch.h [edit]
[-] private.h [edit]
[-] ssu.h [edit]
[-] order.h [edit]
[-] update.h [edit]
[-] rdatalist.h [edit]
[-] lookup.h [edit]
[-] db.h [edit]
[-] name.h [edit]
[-] ncache.h [edit]
[-] nta.h [edit]
[-] ecdb.h [edit]
[-] iptable.h [edit]
[-] resolver.h [edit]
[-] masterdump.h [edit]
[-] nsec.h [edit]
[-] cert.h [edit]
[-] soa.h [edit]
[-] bit.h [edit]
[-] events.h [edit]
[-] dnssec.h [edit]
[-] dbiterator.h [edit]
[-] request.h [edit]
[-] keyflags.h [edit]
[-] secalg.h [edit]
[-] dns64.h [edit]
[-] edns.h [edit]
[-] enumtype.h [edit]
[-] fixedname.h [edit]
[-] tsec.h [edit]
[-] lib.h [edit]
[-] keyvalues.h [edit]
[-] keydata.h [edit]
[-] sdb.h [edit]
[-] adb.h [edit]
[-] compress.h [edit]
[-] rdataclass.h [edit]
[-] dlz.h [edit]
[-] tsig.h [edit]
[-] master.h [edit]
[-] rpz.h [edit]