FM / dns

/usr/include/bind9/dns

Name	Size	Mode	Actions
acache.h	14232	0644	edit dl rm
acl.h	7242	0644	edit dl rm
adb.h	22595	0644	edit dl rm
badcache.h	3369	0644	edit dl rm
bit.h	807	0644	edit dl rm
byaddr.h	4002	0644	edit dl rm
cache.h	8643	0644	edit dl rm
callbacks.h	2271	0644	edit dl rm
catz.h	11833	0644	edit dl rm
cert.h	1466	0644	edit dl rm
client.h	22042	0644	edit dl rm
clientinfo.h	2006	0644	edit dl rm
compress.h	6646	0644	edit dl rm
db.h	47061	0644	edit dl rm
dbiterator.h	7422	0644	edit dl rm
dbtable.h	3165	0644	edit dl rm
diff.h	6980	0644	edit dl rm
dispatch.h	16427	0644	edit dl rm
dlz.h	10618	0644	edit dl rm
dlz_dlopen.h	4677	0644	edit dl rm
dns64.h	5635	0644	edit dl rm
dnssec.h	12371	0644	edit dl rm
dnstap.h	9364	0644	edit dl rm
ds.h	1225	0644	edit dl rm
dsdigest.h	1722	0644	edit dl rm
dyndb.h	4835	0644	edit dl rm
ecdb.h	809	0644	edit dl rm
edns.h	722	0644	edit dl rm
enumclass.h	1220	0644	edit dl rm
enumtype.h	8300	0644	edit dl rm
events.h	4059	0644	edit dl rm
fixedname.h	1663	0644	edit dl rm
forward.h	3452	0644	edit dl rm
geoip.h	2792	0644	edit dl rm
ipkeylist.h	2186	0644	edit dl rm
iptable.h	1621	0644	edit dl rm
journal.h	8227	0644	edit dl rm
keydata.h	1059	0644	edit dl rm
keyflags.h	1278	0644	edit dl rm
keytable.h	9462	0644	edit dl rm
keyvalues.h	4159	0644	edit dl rm
lib.h	1192	0644	edit dl rm
log.h	3964	0644	edit dl rm
lookup.h	2924	0644	edit dl rm
master.h	11289	0644	edit dl rm
masterdump.h	12647	0644	edit dl rm
message.h	39023	0644	edit dl rm
name.h	37115	0644	edit dl rm
ncache.h	4929	0644	edit dl rm
nsec.h	3397	0644	edit dl rm
nsec3.h	8032	0644	edit dl rm
nta.h	4548	0644	edit dl rm
opcode.h	1007	0644	edit dl rm
order.h	1999	0644	edit dl rm
peer.h	5966	0644	edit dl rm
portlist.h	2101	0644	edit dl rm
private.h	1935	0644	edit dl rm
rbt.h	40618	0644	edit dl rm
rcode.h	2481	0644	edit dl rm
rdata.h	21613	0644	edit dl rm
rdataclass.h	2257	0644	edit dl rm
rdatalist.h	2569	0644	edit dl rm
rdataset.h	21536	0644	edit dl rm
rdatasetiter.h	3926	0644	edit dl rm
rdataslab.h	4528	0644	edit dl rm
rdatastruct.h	61584	0644	edit dl rm
rdatatype.h	2298	0644	edit dl rm
request.h	11156	0644	edit dl rm
resolver.h	20227	0644	edit dl rm
result.h	9284	0644	edit dl rm
rootns.h	892	0644	edit dl rm
rpz.h	10335	0644	edit dl rm
rriterator.h	4230	0644	edit dl rm
rrl.h	6640	0644	edit dl rm
sdb.h	7224	0644	edit dl rm
sdlz.h	14214	0644	edit dl rm
secalg.h	1706	0644	edit dl rm
secproto.h	1557	0644	edit dl rm
soa.h	2186	0644	edit dl rm
ssu.h	8308	0644	edit dl rm
stats.h	13451	0644	edit dl rm
tcpmsg.h	3145	0644	edit dl rm
time.h	1695	0644	edit dl rm
timer.h	1051	0644	edit dl rm
tkey.h	7631	0644	edit dl rm
tsec.h	2949	0644	edit dl rm
tsig.h	8384	0644	edit dl rm
ttl.h	1945	0644	edit dl rm
types.h	14212	0644	edit dl rm
update.h	1653	0644	edit dl rm
validator.h	7161	0644	edit dl rm
version.h	868	0644	edit dl rm
view.h	35274	0644	edit dl rm
xfrin.h	2924	0644	edit dl rm
zone.h	60864	0644	edit dl rm
zonekey.h	777	0644	edit dl rm
zt.h	5562	0644	edit dl rm

Edit: /usr/include/bind9/dns/nsec3.h (8032B)

/*
 * 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 https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef DNS_NSEC3_H
#define DNS_NSEC3_H 1

#include <stdbool.h>

#include <isc/lang.h>
#include <isc/iterated_hash.h>

#include <dns/db.h>
#include <dns/diff.h>
#include <dns/name.h>
#include <dns/rdatastruct.h>
#include <dns/types.h>

#define DNS_NSEC3_SALTSIZE	255
#define DNS_NSEC3_MAXITERATIONS 150U

/*
 * hash = 1, flags =1, iterations = 2, salt length = 1, salt = 255 (max)
 * hash length = 1, hash = 255 (max), bitmap = 8192 + 512 (max)
 */
#define DNS_NSEC3_BUFFERSIZE (6 + 255 + 255 + 8192 + 512)
/*
 * hash = 1, flags = 1, iterations = 2, salt length = 1, salt = 255 (max)
 */
#define DNS_NSEC3PARAM_BUFFERSIZE (5 + 255)

/*
 * Test "unknown" algorithm.  Is mapped to dns_hash_sha1.
 */
#define DNS_NSEC3_UNKNOWNALG ((dns_hash_t)245U)

ISC_LANG_BEGINDECLS

isc_result_t
dns_nsec3_buildrdata(dns_db_t *db, dns_dbversion_t *version,
		     dns_dbnode_t *node, unsigned int hashalg,
		     unsigned int optin, unsigned int iterations,
		     const unsigned char *salt, size_t salt_length,
		     const unsigned char *nexthash, size_t hash_length,
		     unsigned char *buffer, dns_rdata_t *rdata);
/*%<
 * Build the rdata of a NSEC3 record for the data at 'node'.
 * Note: 'node' is not the node where the NSEC3 record will be stored.
 *
 * Requires:
 *	buffer	Points to a temporary buffer of at least
 * 		DNS_NSEC_BUFFERSIZE bytes.
 *	rdata	Points to an initialized dns_rdata_t.
 *
 * Ensures:
 *      *rdata	Contains a valid NSEC3 rdata.  The 'data' member refers
 *		to 'buffer'.
 */

bool
dns_nsec3_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type);
/*%<
 * Determine if a type is marked as present in an NSEC3 record.
 *
 * Requires:
 *	'nsec' points to a valid rdataset of type NSEC3
 */

isc_result_t
dns_nsec3_hashname(dns_fixedname_t *result,
		   unsigned char rethash[NSEC3_MAX_HASH_LENGTH],
		   size_t *hash_length, dns_name_t *name, dns_name_t *origin,
		   dns_hash_t hashalg, unsigned int iterations,
		   const unsigned char *salt, size_t saltlength);
/*%<
 * Make a hashed domain name from an unhashed one. If rethash is not NULL
 * the raw hash is stored there.
 */

unsigned int
dns_nsec3_hashlength(dns_hash_t hash);
/*%<
 * Return the length of the hash produced by the specified algorithm
 * or zero when unknown.
 */

bool
dns_nsec3_supportedhash(dns_hash_t hash);
/*%<
 * Return whether we support this hash algorithm or not.
 */

isc_result_t
dns_nsec3_addnsec3(dns_db_t *db, dns_dbversion_t *version,
		   dns_name_t *name, const dns_rdata_nsec3param_t *nsec3param,
		   dns_ttl_t nsecttl, bool unsecure, dns_diff_t *diff);

isc_result_t
dns_nsec3_addnsec3s(dns_db_t *db, dns_dbversion_t *version,
		    dns_name_t *name, dns_ttl_t nsecttl,
		    bool unsecure, dns_diff_t *diff);

isc_result_t
dns_nsec3_addnsec3sx(dns_db_t *db, dns_dbversion_t *version,
		     dns_name_t *name, dns_ttl_t nsecttl,
		     bool unsecure, dns_rdatatype_t private,
		     dns_diff_t *diff);
/*%<
 * Add NSEC3 records for 'name', recording the change in 'diff'.
 * Adjust previous NSEC3 records, if any, to reflect the addition.
 * The existing NSEC3 records are removed.
 *
 * dns_nsec3_addnsec3() will only add records to the chain identified by
 * 'nsec3param'.
 *
 * 'unsecure' should be set to reflect if this is a potentially
 * unsecure delegation (no DS record).
 *
 * dns_nsec3_addnsec3s() will examine the NSEC3PARAM RRset to determine which
 * chains to be updated.  NSEC3PARAM records with the DNS_NSEC3FLAG_CREATE
 * will be preferentially chosen over NSEC3PARAM records without
 * DNS_NSEC3FLAG_CREATE set.  NSEC3PARAM records with DNS_NSEC3FLAG_REMOVE
 * set will be ignored by dns_nsec3_addnsec3s().  If DNS_NSEC3FLAG_CREATE
 * is set then the new NSEC3 will have OPTOUT set to match the that in the
 * NSEC3PARAM record otherwise OPTOUT will be inherited from the previous
 * record in the chain.
 *
 * dns_nsec3_addnsec3sx() is similar to dns_nsec3_addnsec3s() but 'private'
 * specifies the type of the private rdataset to be checked in addition to
 * the nsec3param rdataset at the zone apex.
 *
 * Requires:
 *	'db' to be valid.
 *	'version' to be valid or NULL.
 *	'name' to be valid.
 *	'nsec3param' to be valid.
 *	'diff' to be valid.
 */

isc_result_t
dns_nsec3_delnsec3(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
		   const dns_rdata_nsec3param_t *nsec3param, dns_diff_t *diff);

isc_result_t
dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
		    dns_diff_t *diff);

isc_result_t
dns_nsec3_delnsec3sx(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
		     dns_rdatatype_t private, dns_diff_t *diff);
/*%<
 * Remove NSEC3 records for 'name', recording the change in 'diff'.
 * Adjust previous NSEC3 records, if any, to reflect the removal.
 *
 * dns_nsec3_delnsec3() performs the above for the chain identified by
 * 'nsec3param'.
 *
 * dns_nsec3_delnsec3s() examines the NSEC3PARAM RRset in a similar manner
 * to dns_nsec3_addnsec3s().  Unlike dns_nsec3_addnsec3s() updated NSEC3
 * records have the OPTOUT flag preserved.
 *
 * dns_nsec3_delnsec3sx() is similar to dns_nsec3_delnsec3s() but 'private'
 * specifies the type of the private rdataset to be checked in addition to
 * the nsec3param rdataset at the zone apex.
 *
 * Requires:
 *	'db' to be valid.
 *	'version' to be valid or NULL.
 *	'name' to be valid.
 *	'nsec3param' to be valid.
 *	'diff' to be valid.
 */

isc_result_t
dns_nsec3_active(dns_db_t *db, dns_dbversion_t *version,
		 bool complete, bool *answer);

isc_result_t
dns_nsec3_activex(dns_db_t *db, dns_dbversion_t *version,
		  bool complete, dns_rdatatype_t private,
		  bool *answer);
/*%<
 * Check if there are any complete/to be built NSEC3 chains.
 * If 'complete' is true only complete chains will be recognized.
 *
 * dns_nsec3_activex() is similar to dns_nsec3_active() but 'private'
 * specifies the type of the private rdataset to be checked in addition to
 * the nsec3param rdataset at the zone apex.
 *
 * Requires:
 *	'db' to be valid.
 *	'version' to be valid or NULL.
 *	'answer' to be non NULL.
 */

unsigned int
dns_nsec3_maxiterations(void);
/*%<
 * Return the maximum permissible number of NSEC3 iterations.
 */

bool
dns_nsec3param_fromprivate(dns_rdata_t *src, dns_rdata_t *target,
			   unsigned char *buf, size_t buflen);
/*%<
 * Convert a private rdata to a nsec3param rdata.
 *
 * Return true if 'src' could be successfully converted.
 *
 * 'buf' should be at least DNS_NSEC3PARAM_BUFFERSIZE in size.
 */

void
dns_nsec3param_toprivate(dns_rdata_t *src, dns_rdata_t *target,
			 dns_rdatatype_t privatetype,
			 unsigned char *buf, size_t buflen);
/*%<
 * Convert a nsec3param rdata to a private rdata.
 *
 * 'buf' should be at least src->length + 1 in size.
 */

isc_result_t
dns_nsec3param_salttotext(dns_rdata_nsec3param_t *nsec3param, char *dst,
			  size_t dstlen);
/*%<
 * Convert the salt of given NSEC3PARAM RDATA into hex-encoded, NULL-terminated
 * text stored at "dst".
 *
 * Requires:
 *
 *\li 	"dst" to have enough space (as indicated by "dstlen") to hold the
 * 	resulting text and its NULL-terminating byte.
 */

isc_result_t
dns_nsec3param_deletechains(dns_db_t *db, dns_dbversion_t *ver,
			    dns_zone_t *zone, bool nonsec,
			    dns_diff_t *diff);

/*%<
 * Mark NSEC3PARAM for deletion.
 */

isc_result_t
dns_nsec3_noexistnodata(dns_rdatatype_t type, dns_name_t* name,
			dns_name_t *nsec3name, dns_rdataset_t *nsec3set,
			dns_name_t *zonename, bool *exists,
			bool *data, bool *optout,
			bool *unknown, bool *setclosest,
			bool *setnearest, dns_name_t *closest,
			dns_name_t *nearest, dns_nseclog_t logit, void *arg);

ISC_LANG_ENDDECLS

#endif /* DNS_NSEC3_H */

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