FM / dns

/usr/include/bind9/dns

Name	Size	Mode	Actions
acache.h	14232	0644	edit dl rm
acl.h	7242	0644	edit dl rm
adb.h	22595	0644	edit dl rm
badcache.h	3369	0644	edit dl rm
bit.h	807	0644	edit dl rm
byaddr.h	4002	0644	edit dl rm
cache.h	8643	0644	edit dl rm
callbacks.h	2271	0644	edit dl rm
catz.h	11833	0644	edit dl rm
cert.h	1466	0644	edit dl rm
client.h	22042	0644	edit dl rm
clientinfo.h	2006	0644	edit dl rm
compress.h	6646	0644	edit dl rm
db.h	47061	0644	edit dl rm
dbiterator.h	7422	0644	edit dl rm
dbtable.h	3165	0644	edit dl rm
diff.h	6980	0644	edit dl rm
dispatch.h	16427	0644	edit dl rm
dlz.h	10618	0644	edit dl rm
dlz_dlopen.h	4677	0644	edit dl rm
dns64.h	5635	0644	edit dl rm
dnssec.h	12371	0644	edit dl rm
dnstap.h	9364	0644	edit dl rm
ds.h	1225	0644	edit dl rm
dsdigest.h	1722	0644	edit dl rm
dyndb.h	4835	0644	edit dl rm
ecdb.h	809	0644	edit dl rm
edns.h	722	0644	edit dl rm
enumclass.h	1220	0644	edit dl rm
enumtype.h	8300	0644	edit dl rm
events.h	4059	0644	edit dl rm
fixedname.h	1663	0644	edit dl rm
forward.h	3452	0644	edit dl rm
geoip.h	2792	0644	edit dl rm
ipkeylist.h	2186	0644	edit dl rm
iptable.h	1621	0644	edit dl rm
journal.h	8227	0644	edit dl rm
keydata.h	1059	0644	edit dl rm
keyflags.h	1278	0644	edit dl rm
keytable.h	9462	0644	edit dl rm
keyvalues.h	4159	0644	edit dl rm
lib.h	1192	0644	edit dl rm
log.h	3964	0644	edit dl rm
lookup.h	2924	0644	edit dl rm
master.h	11289	0644	edit dl rm
masterdump.h	12647	0644	edit dl rm
message.h	39023	0644	edit dl rm
name.h	37115	0644	edit dl rm
ncache.h	4929	0644	edit dl rm
nsec.h	3397	0644	edit dl rm
nsec3.h	8032	0644	edit dl rm
nta.h	4548	0644	edit dl rm
opcode.h	1007	0644	edit dl rm
order.h	1999	0644	edit dl rm
peer.h	5966	0644	edit dl rm
portlist.h	2101	0644	edit dl rm
private.h	1935	0644	edit dl rm
rbt.h	40618	0644	edit dl rm
rcode.h	2481	0644	edit dl rm
rdata.h	21613	0644	edit dl rm
rdataclass.h	2257	0644	edit dl rm
rdatalist.h	2569	0644	edit dl rm
rdataset.h	21536	0644	edit dl rm
rdatasetiter.h	3926	0644	edit dl rm
rdataslab.h	4528	0644	edit dl rm
rdatastruct.h	61584	0644	edit dl rm
rdatatype.h	2298	0644	edit dl rm
request.h	11156	0644	edit dl rm
resolver.h	20227	0644	edit dl rm
result.h	9284	0644	edit dl rm
rootns.h	892	0644	edit dl rm
rpz.h	10335	0644	edit dl rm
rriterator.h	4230	0644	edit dl rm
rrl.h	6640	0644	edit dl rm
sdb.h	7224	0644	edit dl rm
sdlz.h	14214	0644	edit dl rm
secalg.h	1706	0644	edit dl rm
secproto.h	1557	0644	edit dl rm
soa.h	2186	0644	edit dl rm
ssu.h	8308	0644	edit dl rm
stats.h	13451	0644	edit dl rm
tcpmsg.h	3145	0644	edit dl rm
time.h	1695	0644	edit dl rm
timer.h	1051	0644	edit dl rm
tkey.h	7631	0644	edit dl rm
tsec.h	2949	0644	edit dl rm
tsig.h	8384	0644	edit dl rm
ttl.h	1945	0644	edit dl rm
types.h	14212	0644	edit dl rm
update.h	1653	0644	edit dl rm
validator.h	7161	0644	edit dl rm
version.h	868	0644	edit dl rm
view.h	35274	0644	edit dl rm
xfrin.h	2924	0644	edit dl rm
zone.h	60864	0644	edit dl rm
zonekey.h	777	0644	edit dl rm
zt.h	5562	0644	edit dl rm

Edit: /usr/include/bind9/dns/tsig.h (8384B)

/*
 * 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_TSIG_H
#define DNS_TSIG_H 1

/*! \file dns/tsig.h */

#include <stdbool.h>

#include <isc/lang.h>
#include <isc/refcount.h>
#include <isc/rwlock.h>
#include <isc/stdio.h>
#include <isc/stdtime.h>

#include <pk11/site.h>

#include <dns/types.h>
#include <dns/name.h>

#include <dst/dst.h>

/*
 * Algorithms.
 */
#ifndef PK11_MD5_DISABLE
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_hmacmd5_name;
#define DNS_TSIG_HMACMD5_NAME		dns_tsig_hmacmd5_name
#endif
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_gssapi_name;
#define DNS_TSIG_GSSAPI_NAME		dns_tsig_gssapi_name
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_gssapims_name;
#define DNS_TSIG_GSSAPIMS_NAME		dns_tsig_gssapims_name
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_hmacsha1_name;
#define DNS_TSIG_HMACSHA1_NAME		dns_tsig_hmacsha1_name
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_hmacsha224_name;
#define DNS_TSIG_HMACSHA224_NAME	dns_tsig_hmacsha224_name
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_hmacsha256_name;
#define DNS_TSIG_HMACSHA256_NAME	dns_tsig_hmacsha256_name
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_hmacsha384_name;
#define DNS_TSIG_HMACSHA384_NAME	dns_tsig_hmacsha384_name
LIBDNS_EXTERNAL_DATA extern dns_name_t *dns_tsig_hmacsha512_name;
#define DNS_TSIG_HMACSHA512_NAME	dns_tsig_hmacsha512_name

/*%
 * Default fudge value.
 */
#define DNS_TSIG_FUDGE			300

struct dns_tsig_keyring {
	dns_rbt_t *keys;
	unsigned int writecount;
	isc_rwlock_t lock;
	isc_mem_t *mctx;
	/*
	 * LRU list of generated key along with a count of the keys on the
	 * list and a maximum size.
	 */
	unsigned int generated;
	unsigned int maxgenerated;
	ISC_LIST(dns_tsigkey_t) lru;
	isc_refcount_t references;
};

struct dns_tsigkey {
	/* Unlocked */
	unsigned int		magic;		/*%< Magic number. */
	isc_mem_t		*mctx;
	dst_key_t		*key;		/*%< Key */
	dns_name_t		name;		/*%< Key name */
	dns_name_t		*algorithm;	/*%< Algorithm name */
	dns_name_t		*creator;	/*%< name that created secret */
	bool		generated;	/*%< was this generated? */
	isc_stdtime_t		inception;	/*%< start of validity period */
	isc_stdtime_t		expire;		/*%< end of validity period */
	dns_tsig_keyring_t	*ring;		/*%< the enclosing keyring */
	isc_refcount_t		refs;		/*%< reference counter */
	ISC_LINK(dns_tsigkey_t) link;
};

ISC_LANG_BEGINDECLS

const dns_name_t *
dns_tsigkey_identity(const dns_tsigkey_t *tsigkey);
/*%<
 *	Returns the identity of the provided TSIG key.
 *
 *	Requires:
 *\li		'tsigkey' is a valid TSIG key or NULL
 *
 *	Returns:
 *\li		NULL if 'tsigkey' was NULL
 *\li		identity of the provided TSIG key
 */

isc_result_t
dns_tsigkey_create(dns_name_t *name, dns_name_t *algorithm,
		   unsigned char *secret, int length, bool generated,
		   dns_name_t *creator, isc_stdtime_t inception,
		   isc_stdtime_t expire, isc_mem_t *mctx,
		   dns_tsig_keyring_t *ring, dns_tsigkey_t **key);

isc_result_t
dns_tsigkey_createfromkey(dns_name_t *name, dns_name_t *algorithm,
			  dst_key_t *dstkey, bool generated,
			  dns_name_t *creator, isc_stdtime_t inception,
			  isc_stdtime_t expire, isc_mem_t *mctx,
			  dns_tsig_keyring_t *ring, dns_tsigkey_t **key);
/*%<
 *	Creates a tsig key structure and saves it in the keyring.  If key is
 *	not NULL, *key will contain a copy of the key.  The keys validity
 *	period is specified by (inception, expire), and will not expire if
 *	inception == expire.  If the key was generated, the creating identity,
 *	if there is one, should be in the creator parameter.  Specifying an
 *	unimplemented algorithm will cause failure only if dstkey != NULL; this
 *	allows a transient key with an invalid algorithm to exist long enough
 *	to generate a BADKEY response.
 *
 *	If dns_tsigkey_createfromkey is successful a new reference to 'dstkey'
 *	will have been made.
 *
 *	Requires:
 *\li		'name' is a valid dns_name_t
 *\li		'algorithm' is a valid dns_name_t
 *\li		'secret' is a valid pointer
 *\li		'length' is an integer >= 0
 *\li		'dstkey' is a valid dst key or NULL
 *\li		'creator' points to a valid dns_name_t or is NULL
 *\li		'mctx' is a valid memory context
 *\li		'ring' is a valid TSIG keyring or NULL
 *\li		'key' or '*key' must be NULL
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		#ISC_R_EXISTS - a key with this name already exists
 *\li		#ISC_R_NOTIMPLEMENTED - algorithm is not implemented
 *\li		#ISC_R_NOMEMORY
 */

void
dns_tsigkey_attach(dns_tsigkey_t *source, dns_tsigkey_t **targetp);
/*%<
 *	Attach '*targetp' to 'source'.
 *
 *	Requires:
 *\li		'key' is a valid TSIG key
 *
 *	Ensures:
 *\li		*targetp is attached to source.
 */

void
dns_tsigkey_detach(dns_tsigkey_t **keyp);
/*%<
 *	Detaches from the tsig key structure pointed to by '*key'.
 *
 *	Requires:
 *\li		'keyp' is not NULL and '*keyp' is a valid TSIG key
 *
 *	Ensures:
 *\li		'keyp' points to NULL
 */

void
dns_tsigkey_setdeleted(dns_tsigkey_t *key);
/*%<
 *	Prevents this key from being used again.  It will be deleted when
 *	no references exist.
 *
 *	Requires:
 *\li		'key' is a valid TSIG key on a keyring
 */

isc_result_t
dns_tsig_sign(dns_message_t *msg);
/*%<
 *	Generates a TSIG record for this message
 *
 *	Requires:
 *\li		'msg' is a valid message
 *\li		'msg->tsigkey' is a valid TSIG key
 *\li		'msg->tsig' is NULL
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		#ISC_R_NOMEMORY
 *\li		#ISC_R_NOSPACE
 *\li		#DNS_R_EXPECTEDTSIG
 *			- this is a response & msg->querytsig is NULL
 */

isc_result_t
dns_tsig_verify(isc_buffer_t *source, dns_message_t *msg,
		dns_tsig_keyring_t *ring1, dns_tsig_keyring_t *ring2);
/*%<
 *	Verifies the TSIG record in this message
 *
 *	Requires:
 *\li		'source' is a valid buffer containing the unparsed message
 *\li		'msg' is a valid message
 *\li		'msg->tsigkey' is a valid TSIG key if this is a response
 *\li		'msg->tsig' is NULL
 *\li		'msg->querytsig' is not NULL if this is a response
 *\li		'ring1' and 'ring2' are each either a valid keyring or NULL
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		#ISC_R_NOMEMORY
 *\li		#DNS_R_EXPECTEDTSIG - A TSIG was expected but not seen
 *\li		#DNS_R_UNEXPECTEDTSIG - A TSIG was seen but not expected
 *\li		#DNS_R_TSIGERRORSET - the TSIG verified but ->error was set
 *				     and this is a query
 *\li		#DNS_R_CLOCKSKEW - the TSIG failed to verify because of
 *				  the time was out of the allowed range.
 *\li		#DNS_R_TSIGVERIFYFAILURE - the TSIG failed to verify
 *\li		#DNS_R_EXPECTEDRESPONSE - the message was set over TCP and
 *					 should have been a response,
 *					 but was not.
 */

isc_result_t
dns_tsigkey_find(dns_tsigkey_t **tsigkey, dns_name_t *name,
		 dns_name_t *algorithm, dns_tsig_keyring_t *ring);
/*%<
 *	Returns the TSIG key corresponding to this name and (possibly)
 *	algorithm.  Also increments the key's reference counter.
 *
 *	Requires:
 *\li		'tsigkey' is not NULL
 *\li		'*tsigkey' is NULL
 *\li		'name' is a valid dns_name_t
 *\li		'algorithm' is a valid dns_name_t or NULL
 *\li		'ring' is a valid keyring
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		#ISC_R_NOTFOUND
 */

isc_result_t
dns_tsigkeyring_create(isc_mem_t *mctx, dns_tsig_keyring_t **ringp);
/*%<
 *	Create an empty TSIG key ring.
 *
 *	Requires:
 *\li		'mctx' is not NULL
 *\li		'ringp' is not NULL, and '*ringp' is NULL
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		#ISC_R_NOMEMORY
 */

isc_result_t
dns_tsigkeyring_add(dns_tsig_keyring_t *ring, dns_name_t *name,
		    dns_tsigkey_t *tkey);
/*%<
 *      Place a TSIG key onto a key ring.
 *
 *	Requires:
 *\li		'ring', 'name' and 'tkey' are not NULL
 *
 *	Returns:
 *\li		#ISC_R_SUCCESS
 *\li		Any other value indicates failure.
 */

void
dns_tsigkeyring_attach(dns_tsig_keyring_t *source, dns_tsig_keyring_t **target);

void
dns_tsigkeyring_detach(dns_tsig_keyring_t **ringp);

isc_result_t
dns_tsigkeyring_dumpanddetach(dns_tsig_keyring_t **ringp, FILE *fp);

/*%<
 *	Destroy a TSIG key ring.
 *
 *	Requires:
 *\li		'ringp' is not NULL
 */

void
dns_keyring_restore(dns_tsig_keyring_t *ring, FILE *fp);

ISC_LANG_ENDDECLS

#endif /* DNS_TSIG_H */

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