#acupoftea - mail.ontime-ae.com

System	:	Linux server1.ontime-gulf.com 4.18.0-553.5.1.el8_10.x86_64 #1 SMP Wed Jun 5 09:12:13 EDT 2024 x86_64
Software	:	Apache
Server	:	162.0.230.206
Domains	:	40 Domain
Permission	:	[ drwxr-xr-x ]
	:	/ usr / include / bind9 / dns /

216.73.216.49

Home

File ncache.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 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 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 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 */

Name	Type	Size	Permission	Last Modified	Actions
.	DIR	-	drwxr-xr-x	2025-02-21 10:57:15
..	DIR	-	drwxr-xr-x	2025-02-21 10:57:16
acache.h	text/x-c	13.9 KB	-rw-r--r--	2025-02-20 09:05:25
acl.h	text/x-c	7.07 KB	-rw-r--r--	2025-02-20 09:05:25
adb.h	text/x-c	22.07 KB	-rw-r--r--	2025-02-20 09:05:25
badcache.h	text/x-c	3.29 KB	-rw-r--r--	2025-02-20 09:05:25
bit.h	text/x-c	807 B	-rw-r--r--	2025-02-20 09:05:25
byaddr.h	text/x-c	3.91 KB	-rw-r--r--	2025-02-20 09:05:25
cache.h	text/x-c	8.44 KB	-rw-r--r--	2025-02-20 09:05:25
callbacks.h	text/x-c	2.22 KB	-rw-r--r--	2025-02-20 09:05:25
catz.h	text/x-c	11.56 KB	-rw-r--r--	2025-02-20 09:05:25
cert.h	text/x-c	1.43 KB	-rw-r--r--	2025-02-20 09:05:25
client.h	text/x-c	21.53 KB	-rw-r--r--	2025-02-20 09:05:25
clientinfo.h	text/x-c	1.96 KB	-rw-r--r--	2025-02-20 09:05:25
compress.h	text/x-c	6.49 KB	-rw-r--r--	2025-02-20 09:05:25
db.h	text/x-c	45.48 KB	-rw-r--r--	2025-02-20 09:05:25
dbiterator.h	text/x-c	7.25 KB	-rw-r--r--	2025-02-20 09:05:25
dbtable.h	text/x-c	3.09 KB	-rw-r--r--	2025-02-20 09:05:25
diff.h	text/x-c	6.82 KB	-rw-r--r--	2025-02-20 09:05:25
dispatch.h	text/x-c	16.04 KB	-rw-r--r--	2025-02-20 09:05:25
dlz.h	text/x-c	10.37 KB	-rw-r--r--	2025-02-20 09:05:25
dlz_dlopen.h	text/x-c	4.57 KB	-rw-r--r--	2025-02-20 09:05:25
dns64.h	text/x-c	5.5 KB	-rw-r--r--	2025-02-20 09:05:25
dnssec.h	text/x-c	11.83 KB	-rw-r--r--	2025-02-20 09:05:25
dnstap.h	text/x-c	9.14 KB	-rw-r--r--	2025-02-20 09:05:25
ds.h	text/x-c	1.2 KB	-rw-r--r--	2025-02-20 09:05:25
dsdigest.h	text/x-c	1.68 KB	-rw-r--r--	2025-02-20 09:05:25
dyndb.h	text/x-c	4.72 KB	-rw-r--r--	2025-02-20 09:05:25
ecdb.h	text/x-c	809 B	-rw-r--r--	2025-02-20 09:05:25
edns.h	text/plain	722 B	-rw-r--r--	2025-02-20 09:05:25
enumclass.h	text/plain	1.19 KB	-rw-r--r--	2025-02-20 09:05:25
enumtype.h	text/plain	8.11 KB	-rw-r--r--	2025-02-20 09:05:25
events.h	text/x-c	3.96 KB	-rw-r--r--	2025-02-20 09:05:25
fixedname.h	text/x-c	1.62 KB	-rw-r--r--	2025-02-20 09:05:25
forward.h	text/x-c	3.37 KB	-rw-r--r--	2025-02-20 09:05:25
geoip.h	text/x-c	2.73 KB	-rw-r--r--	2025-02-20 09:05:25
ipkeylist.h	text/x-c	2.13 KB	-rw-r--r--	2025-02-20 09:05:25
iptable.h	text/x-c	1.58 KB	-rw-r--r--	2025-02-20 09:05:25
journal.h	text/x-c	8.03 KB	-rw-r--r--	2025-02-20 09:05:25
keydata.h	text/x-c	1.03 KB	-rw-r--r--	2025-02-20 09:05:25
keyflags.h	text/x-c	1.25 KB	-rw-r--r--	2025-02-20 09:05:25
keytable.h	text/x-c	9.24 KB	-rw-r--r--	2025-02-20 09:05:25
keyvalues.h	text/plain	4.06 KB	-rw-r--r--	2025-02-20 09:05:25
lib.h	text/x-c	1.16 KB	-rw-r--r--	2025-02-20 09:05:25
log.h	text/x-c	3.87 KB	-rw-r--r--	2025-02-20 09:05:25
lookup.h	text/x-c	2.86 KB	-rw-r--r--	2025-02-20 09:05:25
master.h	text/x-c	11.02 KB	-rw-r--r--	2025-02-20 09:05:25
masterdump.h	text/x-c	12.35 KB	-rw-r--r--	2025-02-20 09:05:25
message.h	text/x-c	37.92 KB	-rw-r--r--	2025-02-20 09:05:25
name.h	text/x-c	36.25 KB	-rw-r--r--	2025-02-20 09:05:25
ncache.h	text/x-c	4.81 KB	-rw-r--r--	2025-02-20 09:05:25
nsec.h	text/x-c	2.86 KB	-rw-r--r--	2025-02-20 09:05:25
nsec3.h	text/x-c	7.84 KB	-rw-r--r--	2025-02-20 09:05:25
nta.h	text/x-c	4.44 KB	-rw-r--r--	2025-02-20 09:05:25
opcode.h	text/x-c	1007 B	-rw-r--r--	2025-02-20 09:05:25
order.h	text/x-c	1.95 KB	-rw-r--r--	2025-02-20 09:05:25
peer.h	text/x-c	5.83 KB	-rw-r--r--	2025-02-20 09:05:25
portlist.h	text/x-c	2.05 KB	-rw-r--r--	2025-02-20 09:05:25
private.h	text/x-c	1.89 KB	-rw-r--r--	2025-02-20 09:05:25
rbt.h	text/x-c	39.67 KB	-rw-r--r--	2025-02-20 09:05:25
rcode.h	text/x-c	2.42 KB	-rw-r--r--	2025-02-20 09:05:25
rdata.h	text/x-c	21.11 KB	-rw-r--r--	2025-02-20 09:05:25
rdataclass.h	text/x-c	2.2 KB	-rw-r--r--	2025-02-20 09:05:25
rdatalist.h	text/x-c	2.51 KB	-rw-r--r--	2025-02-20 09:05:25
rdataset.h	text/x-c	21.03 KB	-rw-r--r--	2025-02-20 09:05:25
rdatasetiter.h	text/x-c	3.83 KB	-rw-r--r--	2025-02-20 09:05:25
rdataslab.h	text/x-c	4.28 KB	-rw-r--r--	2025-02-20 09:05:25
rdatastruct.h	text/x-c	60.14 KB	-rw-r--r--	2025-02-20 09:05:25
rdatatype.h	text/x-c	2.24 KB	-rw-r--r--	2025-02-20 09:05:25
request.h	text/x-c	10.89 KB	-rw-r--r--	2025-02-20 09:05:25
resolver.h	text/x-c	19.75 KB	-rw-r--r--	2025-02-20 09:05:25
result.h	text/x-c	9.07 KB	-rw-r--r--	2025-02-20 09:05:25
rootns.h	text/x-c	892 B	-rw-r--r--	2025-02-20 09:05:25
rpz.h	text/x-c	10.09 KB	-rw-r--r--	2025-02-20 09:05:25
rriterator.h	text/x-c	4.13 KB	-rw-r--r--	2025-02-20 09:05:25
rrl.h	text/x-c	6.48 KB	-rw-r--r--	2025-02-20 09:05:25
sdb.h	text/x-c	7.05 KB	-rw-r--r--	2025-02-20 09:05:25
sdlz.h	text/x-c	13.88 KB	-rw-r--r--	2025-02-20 09:05:25
secalg.h	text/x-c	1.67 KB	-rw-r--r--	2025-02-20 09:05:25
secproto.h	text/x-c	1.52 KB	-rw-r--r--	2025-02-20 09:05:25
soa.h	text/x-c	2.13 KB	-rw-r--r--	2025-02-20 09:05:25
ssu.h	text/x-c	8.11 KB	-rw-r--r--	2025-02-20 09:05:25
stats.h	text/x-c	13.14 KB	-rw-r--r--	2025-02-20 09:05:25
tcpmsg.h	text/x-c	3.07 KB	-rw-r--r--	2025-02-20 09:05:25
time.h	text/x-c	1.66 KB	-rw-r--r--	2025-02-20 09:05:25
timer.h	text/x-c	1.03 KB	-rw-r--r--	2025-02-20 09:05:25
tkey.h	text/x-c	7.45 KB	-rw-r--r--	2025-02-20 09:05:25
tsec.h	text/x-c	2.88 KB	-rw-r--r--	2025-02-20 09:05:25
tsig.h	text/x-c	8.19 KB	-rw-r--r--	2025-02-20 09:05:25
ttl.h	text/x-c	1.9 KB	-rw-r--r--	2025-02-20 09:05:25
types.h	text/x-c	13.83 KB	-rw-r--r--	2025-02-20 09:05:25
update.h	text/x-c	1.61 KB	-rw-r--r--	2025-02-20 09:05:25
validator.h	text/x-c	6.99 KB	-rw-r--r--	2025-02-20 09:05:25
version.h	text/x-c	868 B	-rw-r--r--	2025-02-20 09:05:25
view.h	text/x-c	34.45 KB	-rw-r--r--	2025-02-20 09:05:25
xfrin.h	text/x-c	2.86 KB	-rw-r--r--	2025-02-20 09:05:25
zone.h	text/x-c	59.44 KB	-rw-r--r--	2025-02-20 09:05:25
zonekey.h	text/x-c	777 B	-rw-r--r--	2025-02-20 09:05:25
zt.h	text/x-c	5.43 KB	-rw-r--r--	2025-02-20 09:05:25

~ ACUPOFTEA - mail.ontime-ae.com