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/dlz.h (10618B)

/*
 * Portions 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.
 */

/*
 * Copyright (C) 2002 Stichting NLnet, Netherlands, stichting@nlnet.nl.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND STICHTING NLNET
 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
 * STICHTING NLNET BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
 * USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
 * conceived and contributed by Rob Butler.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ROB BUTLER
 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
 * ROB BUTLER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
 * USE OR PERFORMANCE OF THIS SOFTWARE.
 */

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

#ifndef DLZ_H
#define DLZ_H 1

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

/*
 * DLZ Interface
 *
 * The DLZ interface allows zones to be looked up using a driver instead of
 * Bind's default in memory zone table.
 *
 *
 * Reliability:
 *	No anticipated impact.
 *
 * Resources:
 *
 * Security:
 *	No anticipated impact.
 *
 * Standards:
 *	None.
 */

/*****
 ***** Imports
 *****/

#include <stdbool.h>

#include <dns/clientinfo.h>
#include <dns/name.h>
#include <dns/types.h>
#include <dns/view.h>
#include <dst/dst.h>

#include <isc/lang.h>

ISC_LANG_BEGINDECLS

/***
 *** Types
 ***/

#define DNS_DLZ_MAGIC		ISC_MAGIC('D','L','Z','D')
#define DNS_DLZ_VALID(dlz)	ISC_MAGIC_VALID(dlz, DNS_DLZ_MAGIC)

typedef isc_result_t
(*dns_dlzallowzonexfr_t)(void *driverarg, void *dbdata, isc_mem_t *mctx,
			 dns_rdataclass_t rdclass, dns_name_t *name,
			 isc_sockaddr_t *clientaddr,
			 dns_db_t **dbp);

/*%<
 * Method prototype.  Drivers implementing the DLZ interface MUST
 * supply an allow zone transfer method.  This method is called when
 * the DNS server is performing a zone transfer query.  The driver's
 * method should return ISC_R_SUCCESS and a database pointer to the
 * name server if the zone is supported by the database, and zone
 * transfer is allowed.  Otherwise it will return ISC_R_NOTFOUND if
 * the zone is not supported by the database, or ISC_R_NOPERM if zone
 * transfers are not allowed.  If an error occurs it should return a
 * result code indicating the type of error.
 */

typedef isc_result_t
(*dns_dlzcreate_t)(isc_mem_t *mctx, const char *dlzname, unsigned int argc,
		   char *argv[], void *driverarg, void **dbdata);

/*%<
 * Method prototype.  Drivers implementing the DLZ interface MUST
 * supply a create method.  This method is called when the DNS server
 * is starting up and creating drivers for use later.
 */

typedef void
(*dns_dlzdestroy_t)(void *driverarg, void **dbdata);

/*%<
 * Method prototype.  Drivers implementing the DLZ interface MUST
 * supply a destroy method.  This method is called when the DNS server
 * is shutting down and no longer needs the driver.
 */

typedef isc_result_t
(*dns_dlzfindzone_t)(void *driverarg, void *dbdata, isc_mem_t *mctx,
		     dns_rdataclass_t rdclass, dns_name_t *name,
		     dns_clientinfomethods_t *methods,
		     dns_clientinfo_t *clientinfo,
		     dns_db_t **dbp);

/*%<
 * Method prototype.  Drivers implementing the DLZ interface MUST
 * supply a find zone method.  This method is called when the DNS
 * server is performing a query.  The find zone method will be called
 * with the longest possible name first, and continue to be called
 * with successively shorter domain names, until any of the following
 * occur:
 *
 * \li	1) a match is found, and the function returns (ISC_R_SUCCESS)
 *
 * \li	2) a problem occurs, and the functions returns anything other
 *	   than (ISC_R_NOTFOUND)
 * \li	3) we run out of domain name labels. I.E. we have tried the
 *	   shortest domain name
 * \li	4) the number of labels in the domain name is less than
 *	   min_labels for dns_dlzfindzone
 *
 * The driver's find zone method should return ISC_R_SUCCESS and a
 * database pointer to the name server if the zone is supported by the
 * database.  Otherwise it will return ISC_R_NOTFOUND, and a null
 * pointer if the zone is not supported.  If an error occurs it should
 * return a result code indicating the type of error.
 */

typedef isc_result_t
(*dns_dlzconfigure_t)(void *driverarg, void *dbdata,
		      dns_view_t *view, dns_dlzdb_t *dlzdb);
/*%<
 * Method prototype.  Drivers implementing the DLZ interface may
 * optionally supply a configure method. If supplied, this will be
 * called immediately after the create method is called. The driver
 * may call configuration functions during the configure call
 */

typedef bool (*dns_dlzssumatch_t)(dns_name_t *signer,
					   dns_name_t *name,
					   isc_netaddr_t *tcpaddr,
					   dns_rdatatype_t type,
					   const dst_key_t *key,
					   void *driverarg, void *dbdata);
/*%<
 * Method prototype.  Drivers implementing the DLZ interface may
 * optionally supply a ssumatch method. If supplied, this will be
 * called to authorize update requests
 */

/*% the methods supplied by a DLZ driver */
typedef struct dns_dlzmethods {
	dns_dlzcreate_t		create;
	dns_dlzdestroy_t	destroy;
	dns_dlzfindzone_t	findzone;
	dns_dlzallowzonexfr_t	allowzonexfr;
	dns_dlzconfigure_t	configure;
	dns_dlzssumatch_t	ssumatch;
} dns_dlzmethods_t;

/*% information about a DLZ driver */
struct dns_dlzimplementation {
	const char				*name;
	const dns_dlzmethods_t			*methods;
	isc_mem_t				*mctx;
	void					*driverarg;
	ISC_LINK(dns_dlzimplementation_t)	link;
};

typedef isc_result_t (*dlzconfigure_callback_t)(dns_view_t *, dns_dlzdb_t *,
						dns_zone_t *);

/*% An instance of a DLZ driver */
struct dns_dlzdb {
	unsigned int		magic;
	isc_mem_t		*mctx;
	dns_dlzimplementation_t	*implementation;
	void			*dbdata;
	dlzconfigure_callback_t configure_callback;
	bool		search;
	char			*dlzname;
	ISC_LINK(dns_dlzdb_t)	link;
	dns_ssutable_t 		*ssutable;
};

/***
 *** Method declarations
 ***/

isc_result_t
dns_dlzallowzonexfr(dns_view_t *view, dns_name_t *name,
		    isc_sockaddr_t *clientaddr, dns_db_t **dbp);

/*%<
 * This method is called when the DNS server is performing a zone
 * transfer query.  It will call the DLZ driver's allow zone transfer
 * method.
 */

isc_result_t
dns_dlzcreate(isc_mem_t *mctx, const char *dlzname,
	      const char *drivername, unsigned int argc,
	      char *argv[], dns_dlzdb_t **dbp);

/*%<
 * This method is called when the DNS server is starting up and
 * creating drivers for use later.  It will search the DLZ driver list
 * for 'drivername' and return a DLZ driver via dbp if a match is
 * found.  If the DLZ driver supplies a create method, this function
 * will call it.
 */

void
dns_dlzdestroy(dns_dlzdb_t **dbp);

/*%<
 * This method is called when the DNS server is shutting down and no
 * longer needs the driver.  If the DLZ driver supplies a destroy
 * methods, this function will call it.
 */

isc_result_t
dns_dlzregister(const char *drivername, const dns_dlzmethods_t *methods,
		 void *driverarg, isc_mem_t *mctx,
		dns_dlzimplementation_t **dlzimp);

/*%<
 * Register a dynamically loadable zones (DLZ) driver for the database
 * type 'drivername', implemented by the functions in '*methods'.
 *
 * dlzimp must point to a NULL dlz_implementation_t pointer.  That is,
 * dlzimp != NULL && *dlzimp == NULL.  It will be assigned a value that
 * will later be used to identify the driver when deregistering it.
 */

isc_result_t
dns_dlzstrtoargv(isc_mem_t *mctx, char *s, unsigned int *argcp, char ***argvp);

/*%<
 * This method is called when the name server is starting up to parse
 * the DLZ driver command line from named.conf.  Basically it splits
 * up a string into and argc / argv.  The primary difference of this
 * method is items between braces { } are considered only 1 word.  for
 * example the command line "this is { one grouped phrase } and this
 * isn't" would be parsed into:
 *
 * \li	argv[0]: "this"
 * \li	argv[1]: "is"
 * \li	argv{2]: " one grouped phrase "
 * \li	argv[3]: "and"
 * \li	argv[4]: "this"
 * \li	argv{5}: "isn't"
 *
 * braces should NOT be nested, more than one grouping in the command
 * line is allowed.  Notice, argv[2] has an extra space at the
 * beginning and end.  Extra spaces are not stripped between a
 * grouping.  You can do so in your driver if needed, or be sure not
 * to put extra spaces before / after the braces.
 */

void
dns_dlzunregister(dns_dlzimplementation_t **dlzimp);

/*%<
 * Removes the dlz driver from the list of registered dlz drivers.
 * There must be no active dlz drivers of this type when this function
 * is called.
 */

typedef isc_result_t dns_dlz_writeablezone_t(dns_view_t *view,
					     dns_dlzdb_t *dlzdb,
					     const char *zone_name);
dns_dlz_writeablezone_t dns_dlz_writeablezone;
/*%<
 * creates a writeable DLZ zone. Must be called from within the
 * configure() method of a DLZ driver.
 */

isc_result_t
dns_dlzconfigure(dns_view_t *view, dns_dlzdb_t *dlzdb,
		 dlzconfigure_callback_t callback);
/*%<
 * call a DLZ drivers configure method, if supplied
 */

bool
dns_dlz_ssumatch(dns_dlzdb_t *dlzdatabase,
		  dns_name_t *signer, dns_name_t *name, isc_netaddr_t *tcpaddr,
		  dns_rdatatype_t type, const dst_key_t *key);
/*%<
 * call a DLZ drivers ssumatch method, if supplied. Otherwise return false
 */

ISC_LANG_ENDDECLS

#endif /* DLZ_H */

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