FM / dns

/usr/include/bind9/dns

Name	Size	Mode	Actions
acl.h	6477	0644	edit dl rm
adb.h	22267	0644	edit dl rm
badcache.h	3387	0644	edit dl rm
bit.h	798	0644	edit dl rm
byaddr.h	3598	0644	edit dl rm
cache.h	8730	0644	edit dl rm
callbacks.h	2280	0644	edit dl rm
catz.h	11881	0644	edit dl rm
cert.h	1465	0644	edit dl rm
client.h	14527	0644	edit dl rm
clientinfo.h	2015	0644	edit dl rm
compress.h	7047	0644	edit dl rm
db.h	50446	0644	edit dl rm
dbiterator.h	7385	0644	edit dl rm
dbtable.h	3167	0644	edit dl rm
diff.h	7039	0644	edit dl rm
dispatch.h	15538	0644	edit dl rm
dlz.h	10876	0644	edit dl rm
dlz_dlopen.h	4394	0644	edit dl rm
dns64.h	5720	0644	edit dl rm
dnsrps.h	2572	0644	edit dl rm
dnssec.h	12841	0644	edit dl rm
dnstap.h	10193	0644	edit dl rm
ds.h	1665	0644	edit dl rm
dsdigest.h	1713	0644	edit dl rm
dyndb.h	4869	0644	edit dl rm
ecdb.h	806	0644	edit dl rm
ecs.h	1250	0644	edit dl rm
edns.h	783	0644	edit dl rm
enumclass.h	1220	0644	edit dl rm
enumtype.h	8485	0644	edit dl rm
events.h	4451	0644	edit dl rm
fixedname.h	1652	0644	edit dl rm
forward.h	3060	0644	edit dl rm
geoip.h	2340	0644	edit dl rm
ipkeylist.h	2219	0644	edit dl rm
iptable.h	1521	0644	edit dl rm
journal.h	9712	0644	edit dl rm
kasp.h	12124	0644	edit dl rm
keydata.h	1047	0644	edit dl rm
keyflags.h	1277	0644	edit dl rm
keymgr.h	4107	0644	edit dl rm
keytable.h	7871	0644	edit dl rm
keyvalues.h	4083	0644	edit dl rm
lib.h	993	0644	edit dl rm
librpz.h	31401	0644	edit dl rm
lmdb.h	779	0644	edit dl rm
log.h	4029	0644	edit dl rm
lookup.h	2921	0644	edit dl rm
master.h	8786	0644	edit dl rm
masterdump.h	10133	0644	edit dl rm
message.h	39567	0644	edit dl rm
name.h	37781	0644	edit dl rm
ncache.h	4960	0644	edit dl rm
nsec.h	3065	0644	edit dl rm
nsec3.h	8258	0644	edit dl rm
nta.h	4846	0644	edit dl rm
opcode.h	1006	0644	edit dl rm
order.h	2010	0644	edit dl rm
peer.h	6475	0644	edit dl rm
portlist.h	2101	0644	edit dl rm
private.h	1962	0644	edit dl rm
rbt.h	37484	0644	edit dl rm
rcode.h	2472	0644	edit dl rm
rdata.h	22564	0644	edit dl rm
rdataclass.h	2248	0644	edit dl rm
rdatalist.h	2557	0644	edit dl rm
rdataset.h	18714	0644	edit dl rm
rdatasetiter.h	3912	0644	edit dl rm
rdataslab.h	4267	0644	edit dl rm
rdatastruct.h	62703	0644	edit dl rm
rdatatype.h	2290	0644	edit dl rm
request.h	9187	0644	edit dl rm
resolver.h	20152	0644	edit dl rm
result.h	9196	0644	edit dl rm
rootns.h	891	0644	edit dl rm
rpz.h	12156	0644	edit dl rm
rriterator.h	4214	0644	edit dl rm
rrl.h	6959	0644	edit dl rm
sdb.h	7350	0644	edit dl rm
sdlz.h	14090	0644	edit dl rm
secalg.h	1705	0644	edit dl rm
secproto.h	1556	0644	edit dl rm
soa.h	2179	0644	edit dl rm
ssu.h	7182	0644	edit dl rm
stats.h	24689	0644	edit dl rm
tcpmsg.h	3128	0644	edit dl rm
time.h	1693	0644	edit dl rm
timer.h	1050	0644	edit dl rm
tkey.h	7655	0644	edit dl rm
tsec.h	2946	0644	edit dl rm
tsig.h	8497	0644	edit dl rm
ttl.h	1876	0644	edit dl rm
types.h	14584	0644	edit dl rm
update.h	2004	0644	edit dl rm
validator.h	6679	0644	edit dl rm
version.h	679	0644	edit dl rm
view.h	35341	0644	edit dl rm
xfrin.h	2314	0644	edit dl rm
zone.h	65543	0644	edit dl rm
zonekey.h	776	0644	edit dl rm
zoneverify.h	1393	0644	edit dl rm
zt.h	5241	0644	edit dl rm

Edit: /usr/include/bind9/dns/ncache.h (4960B)

/*
 * 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_NCACHE_H
#define DNS_NCACHE_H 1

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

/*! \file dns/ncache.h
 *\brief
 * DNS Ncache
 *
 * XXX TBS XXX
 *
 * MP:
 *\li	The caller must ensure any required synchronization.
 *
 * Reliability:
 *\li	No anticipated impact.
 *
 * Resources:
 *\li	TBS
 *
 * Security:
 *\li	No anticipated impact.
 *
 * Standards:
 *\li	RFC2308
 */

#include <stdbool.h>

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

#include <dns/types.h>

ISC_LANG_BEGINDECLS

/*%
 * _OMITDNSSEC:
 *      Omit DNSSEC records when rendering.
 */
#define DNS_NCACHETOWIRE_OMITDNSSEC 0x0001

isc_result_t
dns_ncache_add(dns_message_t *message, dns_db_t *cache, dns_dbnode_t *node,
	       dns_rdatatype_t covers, isc_stdtime_t now, dns_ttl_t minttl,
	       dns_ttl_t maxttl, dns_rdataset_t *addedrdataset);
isc_result_t
dns_ncache_addoptout(dns_message_t *message, dns_db_t *cache,
		     dns_dbnode_t *node, dns_rdatatype_t covers,
		     isc_stdtime_t now, dns_ttl_t minttl, dns_ttl_t maxttl,
		     bool optout, dns_rdataset_t *addedrdataset);
/*%<
 * Convert the authority data from 'message' into a negative cache
 * rdataset, and store it in 'cache' at 'node' with a TTL limited to
 * 'maxttl'.
 *
 * \li dns_ncache_add produces a negative cache entry with a trust of no
 *     more than answer
 * \li dns_ncache_addoptout produces a negative cache entry which will have
 *     a trust of secure if all the records that make up the entry are secure.
 *
 * The 'covers' argument is the RR type whose nonexistence we are caching,
 * or dns_rdatatype_any when caching a NXDOMAIN response.
 *
 * 'optout' indicates a DNS_RDATASETATTR_OPTOUT should be set.
 *
 * Note:
 *\li	If 'addedrdataset' is not NULL, then it will be attached to the added
 *	rdataset.  See dns_db_addrdataset() for more details.
 *
 * Requires:
 *\li	'message' is a valid message with a properly formatting negative cache
 *	authority section.
 *
 *\li	The requirements of dns_db_addrdataset() apply to 'cache', 'node',
 *	'now', and 'addedrdataset'.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 *\li	#ISC_R_NOSPACE
 *
 *\li	Any result code of dns_db_addrdataset() is a possible result code
 *	of dns_ncache_add().
 */

isc_result_t
dns_ncache_towire(dns_rdataset_t *rdataset, dns_compress_t *cctx,
		  isc_buffer_t *target, unsigned int options,
		  unsigned int *countp);
/*%<
 * Convert the negative caching rdataset 'rdataset' to wire format,
 * compressing names as specified in 'cctx', and storing the result in
 * 'target'.  If 'omit_dnssec' is set, DNSSEC records will not
 * be added to 'target'.
 *
 * Notes:
 *\li	The number of RRs added to target will be added to *countp.
 *
 * Requires:
 *\li	'rdataset' is a valid negative caching rdataset.
 *
 *\li	'rdataset' is not empty.
 *
 *\li	'countp' is a valid pointer.
 *
 * Ensures:
 *\li	On a return of ISC_R_SUCCESS, 'target' contains a wire format
 *	for the data contained in 'rdataset'.  Any error return leaves
 *	the buffer unchanged.
 *
 *\li	*countp has been incremented by the number of RRs added to
 *	target.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS		- all ok
 *\li	#ISC_R_NOSPACE		- 'target' doesn't have enough room
 *
 *\li	Any error returned by dns_rdata_towire(), dns_rdataset_next(),
 *	dns_name_towire().
 */

isc_result_t
dns_ncache_getrdataset(dns_rdataset_t *ncacherdataset, dns_name_t *name,
		       dns_rdatatype_t type, dns_rdataset_t *rdataset);
/*%<
 * Search the negative caching rdataset for an rdataset with the
 * specified name and type.
 *
 * Requires:
 *\li	'ncacherdataset' is a valid negative caching rdataset.
 *
 *\li	'ncacherdataset' is not empty.
 *
 *\li	'name' is a valid name.
 *
 *\li	'type' is not SIG, or a meta-RR type.
 *
 *\li	'rdataset' is a valid disassociated rdataset.
 *
 * Ensures:
 *\li	On a return of ISC_R_SUCCESS, 'rdataset' is bound to the found
 *	rdataset.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS		- the rdataset was found.
 *\li	#ISC_R_NOTFOUND		- the rdataset was not found.
 *
 */

isc_result_t
dns_ncache_getsigrdataset(dns_rdataset_t *ncacherdataset, dns_name_t *name,
			  dns_rdatatype_t covers, dns_rdataset_t *rdataset);
/*%<
 * Similar to dns_ncache_getrdataset() but get the rrsig that matches.
 */

void
dns_ncache_current(dns_rdataset_t *ncacherdataset, dns_name_t *found,
		   dns_rdataset_t *rdataset);

/*%<
 * Extract the current rdataset and name from a ncache entry.
 *
 * Requires:
 * \li	'ncacherdataset' to be valid and to be a negative cache entry
 * \li	'found' to be valid.
 * \li	'rdataset' to be unassociated.
 */

ISC_LANG_ENDDECLS

#endif /* DNS_NCACHE_H */

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