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 : dns64.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_DNS64_H
#define DNS_DNS64_H 1

#include <isc/lang.h>

#include <dns/types.h>

ISC_LANG_BEGINDECLS

/*
 * dns_dns64_create() flags.
 */
#define DNS_DNS64_RECURSIVE_ONLY	0x01	/* If set then this record
						 * only applies to recursive
						 * queries.
						 */
#define DNS_DNS64_BREAK_DNSSEC		0x02	/* If set then still perform
						 * DNSSEC synthesis even
						 * though the result would
						 * fail validation.
						 */

/*
 * dns_dns64_aaaaok() and dns_dns64_aaaafroma() flags.
 */
#define DNS_DNS64_RECURSIVE		0x01	/* Recursive query. */
#define DNS_DNS64_DNSSEC		0x02	/* DNSSEC sensitive query. */

isc_result_t
dns_dns64_create(isc_mem_t *mctx, isc_netaddr_t *prefix,
		 unsigned int prefixlen, isc_netaddr_t *suffix,
		 dns_acl_t *client, dns_acl_t *mapped, dns_acl_t *excluded,
		 unsigned int flags, dns_dns64_t **dns64);
/*
 * Create a dns64 record which is used to identify the set of clients
 * it applies to and how to perform the DNS64 synthesis.
 *
 * 'prefix' and 'prefixlen' defined the leading bits of the AAAA records
 * to be synthesised.  'suffix' defines the bits after the A records bits.
 * If suffix is NULL zeros will be used for these bits.  'client' defines
 * for which clients this record applies.  If 'client' is NULL then all
 * clients apply.  'mapped' defines which A records are candidated for
 * mapping.  If 'mapped' is NULL then all A records will be mapped.
 * 'excluded' defines which AAAA are to be treated as non-existent for the
 * purposed of determining whether to perform syntesis.  If 'excluded' is
 * NULL then no AAAA records prevent synthesis.
 *
 * If DNS_DNS64_RECURSIVE_ONLY is set then the record will only match if
 * DNS_DNS64_RECURSIVE is set when calling  dns_dns64_aaaaok() and
 * dns_dns64_aaaafroma().
 *
 * If DNS_DNS64_BREAK_DNSSEC is set then the record will still apply if
 * DNS_DNS64_DNSSEC is set when calling  dns_dns64_aaaaok() and
 * dns_dns64_aaaafroma() otherwise the record will be ignored.
 *
 * Requires:
 *      'mctx'          to be valid.
 *      'prefix'        to be valid and the address family to AF_INET6.
 *      'prefixlen'     to be one of 32, 40, 48, 56, 72 and 96.
 *                      the bits not covered by prefixlen in prefix to
 *                      be zero.
 *      'suffix'        to be NULL or the address family be set to AF_INET6
 *                      and the leading 'prefixlen' + 32 bits of the 'suffix'
 *                      to be zero.  If 'prefixlen' is 40, 48 or 56 then the
 *                      the leading 'prefixlen' + 40 bits of 'suffix' must be
 *                      zero.
 *	'client'	to be NULL or a valid acl.
 *	'mapped'	to be NULL or a valid acl.
 *	'excluded'	to be NULL or a valid acl.
 *
 * Returns:
 *	ISC_R_SUCCESS
 *	ISC_R_NOMEMORY
 */

void
dns_dns64_destroy(dns_dns64_t **dns64p);
/*
 * Destroys a dns64 record.
 *
 * Requires the record to not be linked.
 */

isc_result_t
dns_dns64_aaaafroma(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
		    const dns_name_t *reqsigner, const dns_aclenv_t *env,
		    unsigned int flags, unsigned char *a, unsigned char *aaaa);
/*
 * dns_dns64_aaaafroma() determines whether to perform a DNS64 address
 * synthesis from 'a' based on 'dns64', 'reqaddr', 'reqsigner', 'env',
 * 'flags' and 'aaaa'.  If synthesis is performed then the result is
 * written to '*aaaa'.
 *
 * The synthesised address will be of the form:
 *
 *	 <prefix bits><a bits><suffix bits>
 *
 * If <a bits> straddle bits 64-71 of the AAAA record, then 8 zero bits will
 * be inserted at bits 64-71.
 *
 * Requires:
 *	'dns64'		to be valid.
 *	'reqaddr'	to be valid.
 *	'reqsigner'	to be NULL or valid.
 *	'env'		to be valid.
 *	'a'		to point to a IPv4 address in network order.
 *	'aaaa'		to point to a IPv6 address buffer in network order.
 *
 * Returns:
 *	ISC_R_SUCCESS		if synthesis was performed.
 *	DNS_R_DISALLOWED	if there is no match.
 */

dns_dns64_t *
dns_dns64_next(dns_dns64_t *dns64);
/*
 * Return the next dns64 record in the list.
 */

void
dns_dns64_append(dns_dns64list_t *list, dns_dns64_t *dns64);
/*
 * Append the dns64 record to the list.
 */

void
dns_dns64_unlink(dns_dns64list_t *list, dns_dns64_t *dns64);
/*
 * Unlink the dns64 record from the list.
 */

isc_boolean_t
dns_dns64_aaaaok(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
		 const dns_name_t *reqsigner, const dns_aclenv_t *env,
		 unsigned int flags, dns_rdataset_t *rdataset,
		 isc_boolean_t *aaaaok, size_t aaaaoklen);
/*
 * Determine if there are any non-excluded AAAA records in from the
 * matching dns64 records in the list starting at 'dns64'.  If there
 * is a non-exluded address return ISC_TRUE.  If all addresses are
 * excluded in the matched records return ISC_FALSE.   If no records
 * match then return ISC_TRUE.
 *
 * If aaaaok is defined then dns_dns64_aaaaok() return a array of which
 * addresses in 'rdataset' were deemed to not be exclude by any matching
 * record.  If there are no matching records then all entries are set
 * to ISC_TRUE.
 *
 * Requires
 * 	'rdataset'	to be valid and to be for type AAAA and class IN.
 *	'aaaaoklen'	must match the number of records in 'rdataset'
 *			if 'aaaaok' in non NULL.
 */

ISC_LANG_ENDDECLS

#endif /* DNS_DNS64_H */

${this.title}

Code Editor : dns64.h