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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 : nta.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_NTA_H
#define DNS_NTA_H 1

/*****
 ***** Module Info
 *****/

/*! \file
 * \brief
 * The NTA module provides services for storing and retrieving negative
 * trust anchors, and determine whether a given domain is subject to
 * DNSSEC validation.
 */

#include <isc/buffer.h>
#include <isc/lang.h>
#include <isc/magic.h>
#include <isc/refcount.h>
#include <isc/rwlock.h>
#include <isc/stdtime.h>
#include <isc/task.h>
#include <isc/timer.h>

#include <dns/types.h>
#include <dns/rdataset.h>
#include <dns/resolver.h>
#include <dns/view.h>

ISC_LANG_BEGINDECLS

struct dns_ntatable {
	/* Unlocked. */
	unsigned int		magic;
	dns_view_t		*view;
	isc_rwlock_t		rwlock;
	isc_taskmgr_t		*taskmgr;
	isc_timermgr_t		*timermgr;
	isc_task_t		*task;
	/* Locked by rwlock. */
	isc_uint32_t		references;
	dns_rbt_t		*table;
};

#define NTATABLE_MAGIC		ISC_MAGIC('N', 'T', 'A', 't')
#define VALID_NTATABLE(nt) 	ISC_MAGIC_VALID(nt, NTATABLE_MAGIC)

isc_result_t
dns_ntatable_create(dns_view_t *view,
		    isc_taskmgr_t *taskmgr, isc_timermgr_t *timermgr,
		    dns_ntatable_t **ntatablep);
/*%<
 * Create an NTA table in view 'view'.
 *
 * Requires:
 *
 *\li	'view' is a valid view.
 *
 *\li	'tmgr' is a valid timer manager.
 *
 *\li	ntatablep != NULL && *ntatablep == NULL
 *
 * Ensures:
 *
 *\li	On success, *ntatablep is a valid, empty NTA table.
 *
 * Returns:
 *
 *\li	ISC_R_SUCCESS
 *\li	Any other result indicates failure.
 */

void
dns_ntatable_attach(dns_ntatable_t *source, dns_ntatable_t **targetp);
/*%<
 * Attach *targetp to source.
 *
 * Requires:
 *
 *\li	'source' is a valid ntatable.
 *
 *\li	'targetp' points to a NULL dns_ntatable_t *.
 *
 * Ensures:
 *
 *\li	*targetp is attached to source.
 */

void
dns_ntatable_detach(dns_ntatable_t **ntatablep);
/*%<
 * Detach *ntatablep from its ntatable.
 *
 * Requires:
 *
 *\li	'ntatablep' points to a valid ntatable.
 *
 * Ensures:
 *
 *\li	*ntatablep is NULL.
 *
 *\li	If '*ntatablep' is the last reference to the ntatable,
 *		all resources used by the ntatable will be freed
 */

isc_result_t
dns_ntatable_add(dns_ntatable_t *ntatable, dns_name_t *name,
		 isc_boolean_t force, isc_stdtime_t now,
		 isc_uint32_t lifetime);
/*%<
 * Add a negative trust anchor to 'ntatable' for name 'name',
 * which will expire at time 'now' + 'lifetime'.  If 'force' is ISC_FALSE,
 * then the name will be checked periodically to see if it's bogus;
 * if not, then the NTA will be allowed to expire early.
 *
 * Notes:
 *
 *\li   If an NTA already exists in the table, its expiry time
 *      is updated.
 *
 * Requires:
 *
 *\li	'ntatable' points to a valid ntatable.
 *
 *\li	'name' points to a valid name.
 *
 * Returns:
 *
 *\li	ISC_R_SUCCESS
 *
 *\li	Any other result indicates failure.
 */

isc_result_t
dns_ntatable_delete(dns_ntatable_t *ntatable, dns_name_t *keyname);
/*%<
 * Delete node(s) from 'ntatable' matching name 'keyname'
 *
 * Requires:
 *
 *\li	'ntatable' points to a valid ntatable.
 *
 *\li	'name' is not NULL
 *
 * Returns:
 *
 *\li	ISC_R_SUCCESS
 *
 *\li	Any other result indicates failure.
 */

isc_boolean_t
dns_ntatable_covered(dns_ntatable_t *ntatable, isc_stdtime_t now,
		     dns_name_t *name, dns_name_t *anchor);
/*%<
 * Return ISC_TRUE if 'name' is below a non-expired negative trust
 * anchor which in turn is at or below 'anchor'.
 *
 * If 'ntatable' has not been initialized, return ISC_FALSE.
 *
 * Requires:
 *
 *\li	'ntatable' is NULL or is a valid ntatable.
 *
 *\li	'name' is a valid absolute name.
 */

isc_result_t
dns_ntatable_totext(dns_ntatable_t *ntatable, isc_buffer_t **buf);
/*%<
 * Dump the NTA table to buffer at 'buf'
 *
 * Requires:
 * \li   "ntatable" is a valid table.
 *
 * \li   "*buf" is a valid buffer.
 */

isc_result_t
dns_ntatable_dump(dns_ntatable_t *ntatable, FILE *fp);
/*%<
 * Dump the NTA table to the file opened as 'fp'.
 */

isc_result_t
dns_ntatable_save(dns_ntatable_t *ntatable, FILE *fp);
/*%<
 * Save the NTA table to the file opened as 'fp', for later loading.
 */
ISC_LANG_ENDDECLS

#endif /* DNS_NTA_H */

${this.title}

Code Editor : nta.h