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File Content: `nsec.h`

/*
 * 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 */

Name	Size	Permission
acache.h	14328 bytes	0644
acl.h	7274 bytes	0644
adb.h	22560 bytes	0644
badcache.h	3362 bytes	0644
bit.h	856 bytes	0644
byaddr.h	3988 bytes	0644
cache.h	8141 bytes	0644
callbacks.h	2270 bytes	0644
catz.h	11002 bytes	0644
cert.h	1465 bytes	0644
client.h	22040 bytes	0644
clientinfo.h	1994 bytes	0644
compress.h	6671 bytes	0644
db.h	45753 bytes	0644
dbiterator.h	7434 bytes	0644
dbtable.h	3164 bytes	0644
diff.h	6979 bytes	0644
dispatch.h	16433 bytes	0644
dlz.h	10626 bytes	0644
dlz_dlopen.h	4654 bytes	0644
dns64.h	5644 bytes	0644
dnssec.h	12292 bytes	0644
dnstap.h	9423 bytes	0644
ds.h	1222 bytes	0644
dsdigest.h	1721 bytes	0644
dyndb.h	4829 bytes	0644
ecdb.h	808 bytes	0644
edns.h	721 bytes	0644
enumclass.h	1220 bytes	0644
enumtype.h	7921 bytes	0644
events.h	4058 bytes	0644
fixedname.h	1600 bytes	0644
forward.h	3451 bytes	0644
geoip.h	2395 bytes	0644
ipkeylist.h	2170 bytes	0644
iptable.h	1642 bytes	0644
journal.h	8239 bytes	0644
keydata.h	1047 bytes	0644
keyflags.h	1277 bytes	0644
keytable.h	9504 bytes	0644
keyvalues.h	4158 bytes	0644
lib.h	1191 bytes	0644
log.h	3963 bytes	0644
lookup.h	2923 bytes	0644
master.h	11348 bytes	0644
masterdump.h	12646 bytes	0644
message.h	39195 bytes	0644
name.h	37278 bytes	0644
ncache.h	4915 bytes	0644
nsec.h	2954 bytes	0644
nsec3.h	8370 bytes	0644
nta.h	4422 bytes	0644
opcode.h	1006 bytes	0644
order.h	1998 bytes	0644
peer.h	6205 bytes	0644
portlist.h	2095 bytes	0644
private.h	1949 bytes	0644
rbt.h	40648 bytes	0644
rcode.h	2480 bytes	0644
rdata.h	21425 bytes	0644
rdataclass.h	2256 bytes	0644
rdatalist.h	2568 bytes	0644
rdataset.h	20962 bytes	0644
rdatasetiter.h	3925 bytes	0644
rdataslab.h	4395 bytes	0644
rdatastruct.h	58955 bytes	0644
rdatatype.h	2297 bytes	0644
request.h	11155 bytes	0644
resolver.h	19080 bytes	0644
result.h	8780 bytes	0644
rootns.h	891 bytes	0644
rpz.h	10329 bytes	0644
rriterator.h	4272 bytes	0644
rrl.h	6650 bytes	0644
sdb.h	7204 bytes	0644
sdlz.h	14207 bytes	0644
secalg.h	1705 bytes	0644
secproto.h	1556 bytes	0644
soa.h	2222 bytes	0644
ssu.h	8280 bytes	0644
stats.h	13463 bytes	0644
tcpmsg.h	3125 bytes	0644
time.h	1695 bytes	0644
timer.h	1041 bytes	0644
tkey.h	7612 bytes	0644
tsec.h	2948 bytes	0644
tsig.h	8250 bytes	0644
ttl.h	1981 bytes	0644
types.h	13975 bytes	0644
update.h	1645 bytes	0644
validator.h	7166 bytes	0644
version.h	867 bytes	0644
view.h	35519 bytes	0644
xfrin.h	2923 bytes	0644
zone.h	61231 bytes	0644
zonekey.h	763 bytes	0644
zt.h	5439 bytes	0644

File Content: nsec.h

File Content: `nsec.h`