Gecko [ sachasauda.akalacademy.ac.in ]

Name	Size	Permission
acache.h	13.99 KB	-rw-r--r--
acl.h	7.1 KB	-rw-r--r--
adb.h	22.03 KB	-rw-r--r--
badcache.h	3.28 KB	-rw-r--r--
bit.h	856 B	-rw-r--r--
byaddr.h	3.89 KB	-rw-r--r--
cache.h	7.95 KB	-rw-r--r--
callbacks.h	2.22 KB	-rw-r--r--
catz.h	11.54 KB	-rw-r--r--
cert.h	1.43 KB	-rw-r--r--
client.h	21.52 KB	-rw-r--r--
clientinfo.h	1.95 KB	-rw-r--r--
compress.h	6.51 KB	-rw-r--r--
db.h	44.68 KB	-rw-r--r--
dbiterator.h	7.26 KB	-rw-r--r--
dbtable.h	3.09 KB	-rw-r--r--
diff.h	6.82 KB	-rw-r--r--
dispatch.h	16.05 KB	-rw-r--r--
dlz.h	10.38 KB	-rw-r--r--
dlz_dlopen.h	4.54 KB	-rw-r--r--
dns64.h	5.51 KB	-rw-r--r--
dnssec.h	12 KB	-rw-r--r--
dnstap.h	9.2 KB	-rw-r--r--
ds.h	1.19 KB	-rw-r--r--
dsdigest.h	1.68 KB	-rw-r--r--
dyndb.h	4.72 KB	-rw-r--r--
ecdb.h	808 B	-rw-r--r--
edns.h	721 B	-rw-r--r--
enumclass.h	1.19 KB	-rw-r--r--
enumtype.h	7.74 KB	-rw-r--r--
events.h	3.96 KB	-rw-r--r--
fixedname.h	1.56 KB	-rw-r--r--
forward.h	3.37 KB	-rw-r--r--
geoip.h	2.34 KB	-rw-r--r--
ipkeylist.h	2.12 KB	-rw-r--r--
iptable.h	1.6 KB	-rw-r--r--
journal.h	8.05 KB	-rw-r--r--
keydata.h	1.02 KB	-rw-r--r--
keyflags.h	1.25 KB	-rw-r--r--
keytable.h	9.28 KB	-rw-r--r--
keyvalues.h	4.06 KB	-rw-r--r--
lib.h	1.16 KB	-rw-r--r--
log.h	3.87 KB	-rw-r--r--
lookup.h	2.85 KB	-rw-r--r--
master.h	11.08 KB	-rw-r--r--
masterdump.h	12.35 KB	-rw-r--r--
message.h	37.27 KB	-rw-r--r--
name.h	36.49 KB	-rw-r--r--
ncache.h	4.8 KB	-rw-r--r--
nsec.h	2.88 KB	-rw-r--r--
nsec3.h	8.17 KB	-rw-r--r--
nta.h	4.32 KB	-rw-r--r--
opcode.h	1006 B	-rw-r--r--
order.h	1.95 KB	-rw-r--r--
peer.h	6.06 KB	-rw-r--r--
portlist.h	2.05 KB	-rw-r--r--
private.h	1.9 KB	-rw-r--r--
rbt.h	39.7 KB	-rw-r--r--
rcode.h	2.42 KB	-rw-r--r--
rdata.h	20.92 KB	-rw-r--r--
rdataclass.h	2.2 KB	-rw-r--r--
rdatalist.h	2.51 KB	-rw-r--r--
rdataset.h	20.47 KB	-rw-r--r--
rdatasetiter.h	3.83 KB	-rw-r--r--
rdataslab.h	4.29 KB	-rw-r--r--
rdatastruct.h	57.57 KB	-rw-r--r--
rdatatype.h	2.24 KB	-rw-r--r--
request.h	10.89 KB	-rw-r--r--
resolver.h	18.63 KB	-rw-r--r--
result.h	8.57 KB	-rw-r--r--
rootns.h	891 B	-rw-r--r--
rpz.h	10.09 KB	-rw-r--r--
rriterator.h	4.17 KB	-rw-r--r--
rrl.h	6.49 KB	-rw-r--r--
sdb.h	7.04 KB	-rw-r--r--
sdlz.h	13.87 KB	-rw-r--r--
secalg.h	1.67 KB	-rw-r--r--
secproto.h	1.52 KB	-rw-r--r--
soa.h	2.17 KB	-rw-r--r--
ssu.h	8.09 KB	-rw-r--r--
stats.h	13.15 KB	-rw-r--r--
tcpmsg.h	3.05 KB	-rw-r--r--
time.h	1.66 KB	-rw-r--r--
timer.h	1.02 KB	-rw-r--r--
tkey.h	7.43 KB	-rw-r--r--
tsec.h	2.88 KB	-rw-r--r--
tsig.h	8.06 KB	-rw-r--r--
ttl.h	1.93 KB	-rw-r--r--
types.h	13.65 KB	-rw-r--r--
update.h	1.61 KB	-rw-r--r--
validator.h	7.02 KB	-rw-r--r--
version.h	867 B	-rw-r--r--
view.h	34.69 KB	-rw-r--r--
xfrin.h	2.85 KB	-rw-r--r--
zone.h	59.8 KB	-rw-r--r--
zonekey.h	763 B	-rw-r--r--
zt.h	5.31 KB	-rw-r--r--

Code Editor : nsec3.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_NSEC3_H
#define DNS_NSEC3_H 1

#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

/*
 * 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'.
 */

isc_boolean_t
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.
 */

isc_boolean_t
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, isc_boolean_t 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,
		    isc_boolean_t 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,
		     isc_boolean_t 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,
		 isc_boolean_t complete, isc_boolean_t *answer);

isc_result_t
dns_nsec3_activex(dns_db_t *db, dns_dbversion_t *version,
		  isc_boolean_t complete, dns_rdatatype_t private,
		  isc_boolean_t *answer);
/*%<
 * Check if there are any complete/to be built NSEC3 chains.
 * If 'complete' is ISC_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.
 */

isc_result_t
dns_nsec3_maxiterations(dns_db_t *db, dns_dbversion_t *version,
			isc_mem_t *mctx, unsigned int *iterationsp);
/*%<
 * Find the maximum permissible number of iterations allowed based on
 * the key strength.
 *
 * Requires:
 *	'db' to be valid.
 *	'version' to be valid or NULL.
 *	'mctx' to be valid.
 *	'iterationsp' to be non NULL.
 */

isc_boolean_t
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 ISC_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, isc_boolean_t 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, isc_boolean_t *exists,
			isc_boolean_t *data, isc_boolean_t *optout,
			isc_boolean_t *unknown, isc_boolean_t *setclosest,
			isc_boolean_t *setnearest, dns_name_t *closest,
			dns_name_t *nearest, dns_nseclog_t logit, void *arg);

ISC_LANG_ENDDECLS

#endif /* DNS_NSEC3_H */

${this.title}

Code Editor : nsec3.h