2 * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: zone.h,v 1.174.4.1 2009/12/29 22:23:00 marka Exp $ */
23 /*! \file dns/zone.h */
31 #include <isc/formatcheck.h>
33 #include <isc/rwlock.h>
35 #include <dns/masterdump.h>
36 #include <dns/rdatastruct.h>
37 #include <dns/types.h>
47 #define DNS_ZONEOPT_SERVERS 0x00000001U /*%< perform server checks */
48 #define DNS_ZONEOPT_PARENTS 0x00000002U /*%< perform parent checks */
49 #define DNS_ZONEOPT_CHILDREN 0x00000004U /*%< perform child checks */
50 #define DNS_ZONEOPT_NOTIFY 0x00000008U /*%< perform NOTIFY */
51 #define DNS_ZONEOPT_MANYERRORS 0x00000010U /*%< return many errors on load */
52 #define DNS_ZONEOPT_IXFRFROMDIFFS 0x00000020U /*%< calculate differences */
53 #define DNS_ZONEOPT_NOMERGE 0x00000040U /*%< don't merge journal */
54 #define DNS_ZONEOPT_CHECKNS 0x00000080U /*%< check if NS's are addresses */
55 #define DNS_ZONEOPT_FATALNS 0x00000100U /*%< DNS_ZONEOPT_CHECKNS is fatal */
56 #define DNS_ZONEOPT_MULTIMASTER 0x00000200U /*%< this zone has multiple masters */
57 #define DNS_ZONEOPT_USEALTXFRSRC 0x00000400U /*%< use alternate transfer sources */
58 #define DNS_ZONEOPT_CHECKNAMES 0x00000800U /*%< check-names */
59 #define DNS_ZONEOPT_CHECKNAMESFAIL 0x00001000U /*%< fatal check-name failures */
60 #define DNS_ZONEOPT_CHECKWILDCARD 0x00002000U /*%< check for internal wildcards */
61 #define DNS_ZONEOPT_CHECKMX 0x00004000U /*%< check-mx */
62 #define DNS_ZONEOPT_CHECKMXFAIL 0x00008000U /*%< fatal check-mx failures */
63 #define DNS_ZONEOPT_CHECKINTEGRITY 0x00010000U /*%< perform integrity checks */
64 #define DNS_ZONEOPT_CHECKSIBLING 0x00020000U /*%< perform sibling glue checks */
65 #define DNS_ZONEOPT_NOCHECKNS 0x00040000U /*%< disable IN NS address checks */
66 #define DNS_ZONEOPT_WARNMXCNAME 0x00080000U /*%< warn on MX CNAME check */
67 #define DNS_ZONEOPT_IGNOREMXCNAME 0x00100000U /*%< ignore MX CNAME check */
68 #define DNS_ZONEOPT_WARNSRVCNAME 0x00200000U /*%< warn on SRV CNAME check */
69 #define DNS_ZONEOPT_IGNORESRVCNAME 0x00400000U /*%< ignore SRV CNAME check */
70 #define DNS_ZONEOPT_UPDATECHECKKSK 0x00800000U /*%< check dnskey KSK flag */
71 #define DNS_ZONEOPT_TRYTCPREFRESH 0x01000000U /*%< try tcp refresh on udp failure */
72 #define DNS_ZONEOPT_NOTIFYTOSOA 0x02000000U /*%< Notify the SOA MNAME */
73 #define DNS_ZONEOPT_NSEC3TESTZONE 0x04000000U /*%< nsec3-test-zone */
74 #define DNS_ZONEOPT_SECURETOINSECURE 0x08000000U /*%< dnssec-secure-to-insecure */
75 #define DNS_ZONEOPT_DNSKEYKSKONLY 0x10000000U /*%< dnssec-dnskey-kskonly */
76 #define DNS_ZONEOPT_CHECKDUPRR 0x20000000U /*%< check-dup-records */
77 #define DNS_ZONEOPT_CHECKDUPRRFAIL 0x40000000U /*%< fatal check-dup-records failures */
79 #ifndef NOMINUM_PUBLIC
81 * Nominum specific options build down.
83 #define DNS_ZONEOPT_NOTIFYFORWARD 0x80000000U /* forward notify to master */
84 #endif /* NOMINUM_PUBLIC */
87 * Zone key maintenance options
89 #define DNS_ZONEKEY_ALLOW 0x00000001U /*%< fetch keys on command */
90 #define DNS_ZONEKEY_MAINTAIN 0x00000002U /*%< publish/sign on schedule */
91 #define DNS_ZONEKEY_CREATE 0x00000004U /*%< make keys when needed */
93 #ifndef DNS_ZONE_MINREFRESH
94 #define DNS_ZONE_MINREFRESH 300 /*%< 5 minutes */
96 #ifndef DNS_ZONE_MAXREFRESH
97 #define DNS_ZONE_MAXREFRESH 2419200 /*%< 4 weeks */
99 #ifndef DNS_ZONE_DEFAULTREFRESH
100 #define DNS_ZONE_DEFAULTREFRESH 3600 /*%< 1 hour */
102 #ifndef DNS_ZONE_MINRETRY
103 #define DNS_ZONE_MINRETRY 300 /*%< 5 minutes */
105 #ifndef DNS_ZONE_MAXRETRY
106 #define DNS_ZONE_MAXRETRY 1209600 /*%< 2 weeks */
108 #ifndef DNS_ZONE_DEFAULTRETRY
109 #define DNS_ZONE_DEFAULTRETRY 60 /*%< 1 minute, subject to
110 exponential backoff */
113 #define DNS_ZONESTATE_XFERRUNNING 1
114 #define DNS_ZONESTATE_XFERDEFERRED 2
115 #define DNS_ZONESTATE_SOAQUERY 3
116 #define DNS_ZONESTATE_ANY 4
125 dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx);
127 * Creates a new empty zone and attach '*zonep' to it.
130 *\li 'zonep' to point to a NULL pointer.
131 *\li 'mctx' to be a valid memory context.
134 *\li '*zonep' refers to a valid zone.
139 *\li #ISC_R_UNEXPECTED
143 dns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass);
145 * Sets the class of a zone. This operation can only be performed
149 *\li 'zone' to be a valid zone.
150 *\li dns_zone_setclass() not to have been called since the zone was
152 *\li 'rdclass' != dns_rdataclass_none.
156 dns_zone_getclass(dns_zone_t *zone);
158 * Returns the current zone class.
161 *\li 'zone' to be a valid zone.
165 dns_zone_getserial2(dns_zone_t *zone, isc_uint32_t *serialp);
168 dns_zone_getserial(dns_zone_t *zone);
170 * Returns the current serial number of the zone. On success, the SOA
171 * serial of the zone will be copied into '*serialp'.
172 * dns_zone_getserial() cannot catch failure cases and is deprecated by
173 * dns_zone_getserial2().
176 *\li 'zone' to be a valid zone.
177 *\li 'serialp' to be non NULL
181 *\li #DNS_R_NOTLOADED zone DB is not loaded
185 dns_zone_settype(dns_zone_t *zone, dns_zonetype_t type);
187 * Sets the zone type. This operation can only be performed once on
191 *\li 'zone' to be a valid zone.
192 *\li dns_zone_settype() not to have been called since the zone was
194 *\li 'type' != dns_zone_none
198 dns_zone_setview(dns_zone_t *zone, dns_view_t *view);
200 * Associate the zone with a view.
203 *\li 'zone' to be a valid zone.
207 dns_zone_getview(dns_zone_t *zone);
209 * Returns the zone's associated view.
212 *\li 'zone' to be a valid zone.
216 dns_zone_setorigin(dns_zone_t *zone, const dns_name_t *origin);
218 * Sets the zones origin to 'origin'.
221 *\li 'zone' to be a valid zone.
222 *\li 'origin' to be non NULL.
230 dns_zone_getorigin(dns_zone_t *zone);
232 * Returns the value of the origin.
235 *\li 'zone' to be a valid zone.
239 dns_zone_setfile(dns_zone_t *zone, const char *file);
242 dns_zone_setfile2(dns_zone_t *zone, const char *file,
243 dns_masterformat_t format);
245 * Sets the name of the master file in the format of 'format' from which
246 * the zone loads its database to 'file'.
248 * For zones that have no associated master file, 'file' will be NULL.
250 * For zones with persistent databases, the file name
251 * setting is ignored.
253 * dns_zone_setfile() is a backward-compatible form of
254 * dns_zone_setfile2(), which always specifies the
255 * dns_masterformat_text (RFC1035) format.
258 *\li 'zone' to be a valid zone.
266 dns_zone_getfile(dns_zone_t *zone);
268 * Gets the name of the zone's master file, if any.
271 *\li 'zone' to be valid initialised zone.
274 *\li Pointer to null-terminated file name, or NULL.
278 dns_zone_load(dns_zone_t *zone);
281 dns_zone_loadnew(dns_zone_t *zone);
284 dns_zone_loadandthaw(dns_zone_t *zone);
286 * Cause the database to be loaded from its backing store.
287 * Confirm that the minimum requirements for the zone type are
288 * met, otherwise DNS_R_BADZONE is returned.
290 * dns_zone_loadnew() only loads zones that are not yet loaded.
291 * dns_zone_load() also loads zones that are already loaded and
292 * and whose master file has changed since the last load.
293 * dns_zone_loadandthaw() is similar to dns_zone_load() but will
294 * also re-enable DNS UPDATEs when the load completes.
297 *\li 'zone' to be a valid zone.
300 *\li #ISC_R_UNEXPECTED
302 *\li DNS_R_CONTINUE Incremental load has been queued.
303 *\li DNS_R_UPTODATE The zone has already been loaded based on
304 * file system timestamps.
306 *\li Any result value from dns_db_load().
310 dns_zone_attach(dns_zone_t *source, dns_zone_t **target);
312 * Attach '*target' to 'source' incrementing its external
316 *\li 'zone' to be a valid zone.
317 *\li 'target' to be non NULL and '*target' to be NULL.
321 dns_zone_detach(dns_zone_t **zonep);
323 * Detach from a zone decrementing its external reference count.
324 * If this was the last external reference to the zone it will be
325 * shut down and eventually freed.
328 *\li 'zonep' to point to a valid zone.
332 dns_zone_iattach(dns_zone_t *source, dns_zone_t **target);
334 * Attach '*target' to 'source' incrementing its internal
335 * reference count. This is intended for use by operations
336 * such as zone transfers that need to prevent the zone
337 * object from being freed but not from shutting down.
340 *\li The caller is running in the context of the zone's task.
341 *\li 'zone' to be a valid zone.
342 *\li 'target' to be non NULL and '*target' to be NULL.
346 dns_zone_idetach(dns_zone_t **zonep);
348 * Detach from a zone decrementing its internal reference count.
349 * If there are no more internal or external references to the
350 * zone, it will be freed.
353 *\li The caller is running in the context of the zone's task.
354 *\li 'zonep' to point to a valid zone.
358 dns_zone_setflag(dns_zone_t *zone, unsigned int flags, isc_boolean_t value);
360 * Sets ('value' == 'ISC_TRUE') / clears ('value' == 'IS_FALSE')
361 * zone flags. Valid flag bits are DNS_ZONE_F_*.
364 *\li 'zone' to be a valid zone.
368 dns_zone_getdb(dns_zone_t *zone, dns_db_t **dbp);
370 * Attach '*dbp' to the database to if it exists otherwise
371 * return DNS_R_NOTLOADED.
374 *\li 'zone' to be a valid zone.
375 *\li 'dbp' to be != NULL && '*dbp' == NULL.
383 dns_zone_setdbtype(dns_zone_t *zone,
384 unsigned int dbargc, const char * const *dbargv);
386 * Sets the database type to dbargv[0] and database arguments
387 * to subsequent dbargv elements.
388 * 'db_type' is not checked to see if it is a valid database type.
391 *\li 'zone' to be a valid zone.
392 *\li 'database' to be non NULL.
393 *\li 'dbargc' to be >= 1
394 *\li 'dbargv' to point to dbargc NULL-terminated strings
402 dns_zone_getdbtype(dns_zone_t *zone, char ***argv, isc_mem_t *mctx);
404 * Returns the current dbtype. isc_mem_free() should be used
405 * to free 'argv' after use.
408 *\li 'zone' to be a valid zone.
409 *\li 'argv' to be non NULL and *argv to be NULL.
410 *\li 'mctx' to be valid.
418 dns_zone_markdirty(dns_zone_t *zone);
420 * Mark a zone as 'dirty'.
423 *\li 'zone' to be a valid zone.
427 dns_zone_expire(dns_zone_t *zone);
429 * Mark the zone as expired. If the zone requires dumping cause it to
430 * be initiated. Set the refresh and retry intervals to there default
431 * values and unload the zone.
434 *\li 'zone' to be a valid zone.
438 dns_zone_refresh(dns_zone_t *zone);
440 * Initiate zone up to date checks. The zone must already be being
444 *\li 'zone' to be a valid zone.
448 dns_zone_flush(dns_zone_t *zone);
450 * Write the zone to database if there are uncommitted changes.
453 *\li 'zone' to be a valid zone.
457 dns_zone_dump(dns_zone_t *zone);
459 * Write the zone to database.
462 *\li 'zone' to be a valid zone.
466 dns_zone_dumptostream(dns_zone_t *zone, FILE *fd);
469 dns_zone_dumptostream2(dns_zone_t *zone, FILE *fd, dns_masterformat_t format,
470 const dns_master_style_t *style);
472 * Write the zone to stream 'fd' in the specified 'format'.
473 * If the 'format' is dns_masterformat_text (RFC1035), 'style' also
474 * specifies the file style (e.g., &dns_master_style_default).
476 * dns_zone_dumptostream() is a backward-compatible form of
477 * dns_zone_dumptostream2(), which always uses the dns_masterformat_text
478 * format and the dns_master_style_default style.
480 * Note that dns_zone_dumptostream2() is the most flexible form. It
481 * can also provide the functionality of dns_zone_fulldumptostream().
484 *\li 'zone' to be a valid zone.
485 *\li 'fd' to be a stream open for writing.
489 dns_zone_fulldumptostream(dns_zone_t *zone, FILE *fd);
491 * The same as dns_zone_dumptostream, but dumps the zone with
492 * different dump settings (dns_master_style_full).
495 *\li 'zone' to be a valid zone.
496 *\li 'fd' to be a stream open for writing.
500 dns_zone_maintenance(dns_zone_t *zone);
502 * Perform regular maintenance on the zone. This is called as a
503 * result of a zone being managed.
506 *\li 'zone' to be a valid zone.
510 dns_zone_setmasters(dns_zone_t *zone, const isc_sockaddr_t *masters,
513 dns_zone_setmasterswithkeys(dns_zone_t *zone,
514 const isc_sockaddr_t *masters,
515 dns_name_t **keynames,
518 * Set the list of master servers for the zone.
521 *\li 'zone' to be a valid zone.
522 *\li 'masters' array of isc_sockaddr_t with port set or NULL.
523 *\li 'count' the number of masters.
524 *\li 'keynames' array of dns_name_t's for tsig keys or NULL.
526 * \li dns_zone_setmasters() is just a wrapper to setmasterswithkeys(),
527 * passing NULL in the keynames field.
529 * \li If 'masters' is NULL then 'count' must be zero.
534 *\li Any result dns_name_dup() can return, if keynames!=NULL
538 dns_zone_setalsonotify(dns_zone_t *zone, const isc_sockaddr_t *notify,
541 * Set the list of additional servers to be notified when
542 * a zone changes. To clear the list use 'count = 0'.
545 *\li 'zone' to be a valid zone.
546 *\li 'notify' to be non-NULL if count != 0.
547 *\li 'count' to be the number of notifiees.
555 dns_zone_unload(dns_zone_t *zone);
557 * detach the database from the zone structure.
560 *\li 'zone' to be a valid zone.
564 dns_zone_setoption(dns_zone_t *zone, unsigned int option, isc_boolean_t value);
566 * Set given options on ('value' == ISC_TRUE) or off ('value' ==
570 *\li 'zone' to be a valid zone.
574 dns_zone_getoptions(dns_zone_t *zone);
576 * Returns the current zone options.
579 *\li 'zone' to be a valid zone.
583 dns_zone_setkeyopt(dns_zone_t *zone, unsigned int option, isc_boolean_t value);
585 * Set key options on ('value' == ISC_TRUE) or off ('value' ==
589 *\li 'zone' to be a valid zone.
593 dns_zone_getkeyopts(dns_zone_t *zone);
595 * Returns the current zone key options.
598 *\li 'zone' to be a valid zone.
602 dns_zone_setminrefreshtime(dns_zone_t *zone, isc_uint32_t val);
604 * Set the minimum refresh time.
607 *\li 'zone' is valid.
612 dns_zone_setmaxrefreshtime(dns_zone_t *zone, isc_uint32_t val);
614 * Set the maximum refresh time.
617 *\li 'zone' is valid.
622 dns_zone_setminretrytime(dns_zone_t *zone, isc_uint32_t val);
624 * Set the minimum retry time.
627 *\li 'zone' is valid.
632 dns_zone_setmaxretrytime(dns_zone_t *zone, isc_uint32_t val);
634 * Set the maximum retry time.
637 *\li 'zone' is valid.
642 dns_zone_setxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource);
644 dns_zone_setaltxfrsource4(dns_zone_t *zone,
645 const isc_sockaddr_t *xfrsource);
647 * Set the source address to be used in IPv4 zone transfers.
650 *\li 'zone' to be a valid zone.
651 *\li 'xfrsource' to contain the address.
658 dns_zone_getxfrsource4(dns_zone_t *zone);
660 dns_zone_getaltxfrsource4(dns_zone_t *zone);
662 * Returns the source address set by a previous dns_zone_setxfrsource4
663 * call, or the default of inaddr_any, port 0.
666 *\li 'zone' to be a valid zone.
670 dns_zone_setxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource);
672 dns_zone_setaltxfrsource6(dns_zone_t *zone,
673 const isc_sockaddr_t *xfrsource);
675 * Set the source address to be used in IPv6 zone transfers.
678 *\li 'zone' to be a valid zone.
679 *\li 'xfrsource' to contain the address.
686 dns_zone_getxfrsource6(dns_zone_t *zone);
688 dns_zone_getaltxfrsource6(dns_zone_t *zone);
690 * Returns the source address set by a previous dns_zone_setxfrsource6
691 * call, or the default of in6addr_any, port 0.
694 *\li 'zone' to be a valid zone.
698 dns_zone_setnotifysrc4(dns_zone_t *zone, const isc_sockaddr_t *notifysrc);
700 * Set the source address to be used with IPv4 NOTIFY messages.
703 *\li 'zone' to be a valid zone.
704 *\li 'notifysrc' to contain the address.
711 dns_zone_getnotifysrc4(dns_zone_t *zone);
713 * Returns the source address set by a previous dns_zone_setnotifysrc4
714 * call, or the default of inaddr_any, port 0.
717 *\li 'zone' to be a valid zone.
721 dns_zone_setnotifysrc6(dns_zone_t *zone, const isc_sockaddr_t *notifysrc);
723 * Set the source address to be used with IPv6 NOTIFY messages.
726 *\li 'zone' to be a valid zone.
727 *\li 'notifysrc' to contain the address.
734 dns_zone_getnotifysrc6(dns_zone_t *zone);
736 * Returns the source address set by a previous dns_zone_setnotifysrc6
737 * call, or the default of in6addr_any, port 0.
740 *\li 'zone' to be a valid zone.
744 dns_zone_setnotifyacl(dns_zone_t *zone, dns_acl_t *acl);
746 * Sets the notify acl list for the zone.
749 *\li 'zone' to be a valid zone.
750 *\li 'acl' to be a valid acl.
754 dns_zone_setqueryacl(dns_zone_t *zone, dns_acl_t *acl);
756 * Sets the query acl list for the zone.
759 *\li 'zone' to be a valid zone.
760 *\li 'acl' to be a valid acl.
764 dns_zone_setqueryonacl(dns_zone_t *zone, dns_acl_t *acl);
766 * Sets the query-on acl list for the zone.
769 *\li 'zone' to be a valid zone.
770 *\li 'acl' to be a valid acl.
774 dns_zone_setupdateacl(dns_zone_t *zone, dns_acl_t *acl);
776 * Sets the update acl list for the zone.
779 *\li 'zone' to be a valid zone.
780 *\li 'acl' to be valid acl.
784 dns_zone_setforwardacl(dns_zone_t *zone, dns_acl_t *acl);
786 * Sets the forward unsigned updates acl list for the zone.
789 *\li 'zone' to be a valid zone.
790 *\li 'acl' to be valid acl.
794 dns_zone_setxfracl(dns_zone_t *zone, dns_acl_t *acl);
796 * Sets the transfer acl list for the zone.
799 *\li 'zone' to be a valid zone.
800 *\li 'acl' to be valid acl.
804 dns_zone_getnotifyacl(dns_zone_t *zone);
806 * Returns the current notify acl or NULL.
809 *\li 'zone' to be a valid zone.
812 *\li acl a pointer to the acl.
817 dns_zone_getqueryacl(dns_zone_t *zone);
819 * Returns the current query acl or NULL.
822 *\li 'zone' to be a valid zone.
825 *\li acl a pointer to the acl.
830 dns_zone_getqueryonacl(dns_zone_t *zone);
832 * Returns the current query-on acl or NULL.
835 *\li 'zone' to be a valid zone.
838 *\li acl a pointer to the acl.
843 dns_zone_getupdateacl(dns_zone_t *zone);
845 * Returns the current update acl or NULL.
848 *\li 'zone' to be a valid zone.
851 *\li acl a pointer to the acl.
856 dns_zone_getforwardacl(dns_zone_t *zone);
858 * Returns the current forward unsigned updates acl or NULL.
861 *\li 'zone' to be a valid zone.
864 *\li acl a pointer to the acl.
869 dns_zone_getxfracl(dns_zone_t *zone);
871 * Returns the current transfer acl or NULL.
874 *\li 'zone' to be a valid zone.
877 *\li acl a pointer to the acl.
882 dns_zone_clearupdateacl(dns_zone_t *zone);
884 * Clear the current update acl.
887 *\li 'zone' to be a valid zone.
891 dns_zone_clearforwardacl(dns_zone_t *zone);
893 * Clear the current forward unsigned updates acl.
896 *\li 'zone' to be a valid zone.
900 dns_zone_clearnotifyacl(dns_zone_t *zone);
902 * Clear the current notify acl.
905 *\li 'zone' to be a valid zone.
909 dns_zone_clearqueryacl(dns_zone_t *zone);
911 * Clear the current query acl.
914 *\li 'zone' to be a valid zone.
918 dns_zone_clearqueryonacl(dns_zone_t *zone);
920 * Clear the current query-on acl.
923 *\li 'zone' to be a valid zone.
927 dns_zone_clearxfracl(dns_zone_t *zone);
929 * Clear the current transfer acl.
932 *\li 'zone' to be a valid zone.
936 dns_zone_getupdatedisabled(dns_zone_t *zone);
938 * Return update disabled.
939 * Transient unless called when running in isc_task_exclusive() mode.
943 dns_zone_setupdatedisabled(dns_zone_t *zone, isc_boolean_t state);
945 * Set update disabled.
946 * Should only be called only when running in isc_task_exclusive() mode.
947 * Failure to do so may result in updates being committed after the
948 * call has been made.
952 dns_zone_getzeronosoattl(dns_zone_t *zone);
954 * Return zero-no-soa-ttl status.
958 dns_zone_setzeronosoattl(dns_zone_t *zone, isc_boolean_t state);
960 * Set zero-no-soa-ttl status.
964 dns_zone_setchecknames(dns_zone_t *zone, dns_severity_t severity);
966 * Set the severity of name checking when loading a zone.
969 * \li 'zone' to be a valid zone.
973 dns_zone_getchecknames(dns_zone_t *zone);
975 * Return the current severity of name checking.
978 *\li 'zone' to be a valid zone.
982 dns_zone_setjournalsize(dns_zone_t *zone, isc_int32_t size);
984 * Sets the journal size for the zone.
987 *\li 'zone' to be a valid zone.
991 dns_zone_getjournalsize(dns_zone_t *zone);
993 * Return the journal size as set with a previous call to
994 * dns_zone_setjournalsize().
997 *\li 'zone' to be a valid zone.
1001 dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from,
1002 dns_message_t *msg);
1004 * Tell the zone that it has received a NOTIFY message from another
1005 * server. This may cause some zone maintenance activity to occur.
1008 *\li 'zone' to be a valid zone.
1009 *\li '*from' to contain the address of the server from which 'msg'
1011 *\li 'msg' a message with opcode NOTIFY and qr clear.
1021 dns_zone_setmaxxfrin(dns_zone_t *zone, isc_uint32_t maxxfrin);
1023 * Set the maximum time (in seconds) that a zone transfer in (AXFR/IXFR)
1024 * of this zone will use before being aborted.
1027 * \li 'zone' to be valid initialised zone.
1031 dns_zone_getmaxxfrin(dns_zone_t *zone);
1033 * Returns the maximum transfer time for this zone. This will be
1034 * either the value set by the last call to dns_zone_setmaxxfrin() or
1035 * the default value of 1 hour.
1038 *\li 'zone' to be valid initialised zone.
1042 dns_zone_setmaxxfrout(dns_zone_t *zone, isc_uint32_t maxxfrout);
1044 * Set the maximum time (in seconds) that a zone transfer out (AXFR/IXFR)
1045 * of this zone will use before being aborted.
1048 * \li 'zone' to be valid initialised zone.
1052 dns_zone_getmaxxfrout(dns_zone_t *zone);
1054 * Returns the maximum transfer time for this zone. This will be
1055 * either the value set by the last call to dns_zone_setmaxxfrout() or
1056 * the default value of 1 hour.
1059 *\li 'zone' to be valid initialised zone.
1063 dns_zone_setjournal(dns_zone_t *zone, const char *journal);
1065 * Sets the filename used for journaling updates / IXFR transfers.
1066 * The default journal name is set by dns_zone_setfile() to be
1067 * "file.jnl". If 'journal' is NULL, the zone will have no
1071 *\li 'zone' to be a valid zone.
1075 *\li #ISC_R_NOMEMORY
1079 dns_zone_getjournal(dns_zone_t *zone);
1081 * Returns the journal name associated with this zone.
1082 * If no journal has been set this will be NULL.
1085 *\li 'zone' to be valid initialised zone.
1089 dns_zone_gettype(dns_zone_t *zone);
1091 * Returns the type of the zone (master/slave/etc.)
1094 *\li 'zone' to be valid initialised zone.
1098 dns_zone_settask(dns_zone_t *zone, isc_task_t *task);
1100 * Give a zone a task to work with. Any current task will be detached.
1103 *\li 'zone' to be valid.
1104 *\li 'task' to be valid.
1108 dns_zone_gettask(dns_zone_t *zone, isc_task_t **target);
1110 * Attach '*target' to the zone's task.
1113 *\li 'zone' to be valid initialised zone.
1114 *\li 'zone' to have a task.
1115 *\li 'target' to be != NULL && '*target' == NULL.
1119 dns_zone_notify(dns_zone_t *zone);
1121 * Generate notify events for this zone.
1124 *\li 'zone' to be a valid zone.
1128 dns_zone_replacedb(dns_zone_t *zone, dns_db_t *db, isc_boolean_t dump);
1130 * Replace the database of "zone" with a new database "db".
1132 * If "dump" is ISC_TRUE, then the new zone contents are dumped
1133 * into to the zone's master file for persistence. When replacing
1134 * a zone database by one just loaded from a master file, set
1135 * "dump" to ISC_FALSE to avoid a redundant redump of the data just
1136 * loaded. Otherwise, it should be set to ISC_TRUE.
1138 * If the "diff-on-reload" option is enabled in the configuration file,
1139 * the differences between the old and the new database are added to the
1140 * journal file, and the master file dump is postponed.
1143 * \li 'zone' to be a valid zone.
1147 * \li DNS_R_BADZONE zone failed basic consistency checks:
1148 * * a single SOA must exist
1149 * * some NS records must exist.
1154 dns_zone_getidlein(dns_zone_t *zone);
1157 * \li 'zone' to be a valid zone.
1160 * \li number of seconds of idle time before we abort the transfer in.
1164 dns_zone_setidlein(dns_zone_t *zone, isc_uint32_t idlein);
1166 * \li Set the idle timeout for transfer the.
1167 * \li Zero set the default value, 1 hour.
1170 * \li 'zone' to be a valid zone.
1174 dns_zone_getidleout(dns_zone_t *zone);
1178 * \li 'zone' to be a valid zone.
1181 * \li number of seconds of idle time before we abort a transfer out.
1185 dns_zone_setidleout(dns_zone_t *zone, isc_uint32_t idleout);
1187 * \li Set the idle timeout for transfers out.
1188 * \li Zero set the default value, 1 hour.
1191 * \li 'zone' to be a valid zone.
1195 dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table);
1197 * Get the simple-secure-update policy table.
1200 * \li 'zone' to be a valid zone.
1204 dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table);
1206 * Set / clear the simple-secure-update policy table.
1209 * \li 'zone' to be a valid zone.
1213 dns_zone_getmctx(dns_zone_t *zone);
1215 * Get the memory context of a zone.
1218 * \li 'zone' to be a valid zone.
1222 dns_zone_getmgr(dns_zone_t *zone);
1224 * If 'zone' is managed return the zone manager otherwise NULL.
1227 * \li 'zone' to be a valid zone.
1231 dns_zone_setsigvalidityinterval(dns_zone_t *zone, isc_uint32_t interval);
1233 * Set the zone's RRSIG validity interval. This is the length of time
1234 * for which DNSSEC signatures created as a result of dynamic updates
1235 * to secure zones will remain valid, in seconds.
1238 * \li 'zone' to be a valid zone.
1242 dns_zone_getsigvalidityinterval(dns_zone_t *zone);
1244 * Get the zone's RRSIG validity interval.
1247 * \li 'zone' to be a valid zone.
1251 dns_zone_setsigresigninginterval(dns_zone_t *zone, isc_uint32_t interval);
1253 * Set the zone's RRSIG re-signing interval. A dynamic zone's RRSIG's
1254 * will be re-signed 'interval' amount of time before they expire.
1257 * \li 'zone' to be a valid zone.
1261 dns_zone_getsigresigninginterval(dns_zone_t *zone);
1263 * Get the zone's RRSIG re-signing interval.
1266 * \li 'zone' to be a valid zone.
1270 dns_zone_setnotifytype(dns_zone_t *zone, dns_notifytype_t notifytype);
1272 * Sets zone notify method to "notifytype"
1276 dns_zone_forwardupdate(dns_zone_t *zone, dns_message_t *msg,
1277 dns_updatecallback_t callback, void *callback_arg);
1279 * Forward 'msg' to each master in turn until we get an answer or we
1280 * have exhausted the list of masters. 'callback' will be called with
1281 * ISC_R_SUCCESS if we get an answer and the returned message will be
1282 * passed as 'answer_message', otherwise a non ISC_R_SUCCESS result code
1283 * will be passed and answer_message will be NULL. The callback function
1284 * is responsible for destroying 'answer_message'.
1285 * (callback)(callback_arg, result, answer_message);
1288 *\li 'zone' to be valid
1289 *\li 'msg' to be valid.
1290 *\li 'callback' to be non NULL.
1292 *\li #ISC_R_SUCCESS if the message has been forwarded,
1293 *\li #ISC_R_NOMEMORY
1298 dns_zone_next(dns_zone_t *zone, dns_zone_t **next);
1300 * Find the next zone in the list of managed zones.
1303 *\li 'zone' to be valid
1304 *\li The zone manager for the indicated zone MUST be locked
1305 * by the caller. This is not checked.
1306 *\li 'next' be non-NULL, and '*next' be NULL.
1309 *\li 'next' points to a valid zone (result ISC_R_SUCCESS) or to NULL
1310 * (result ISC_R_NOMORE).
1316 dns_zone_first(dns_zonemgr_t *zmgr, dns_zone_t **first);
1318 * Find the first zone in the list of managed zones.
1321 *\li 'zonemgr' to be valid
1322 *\li The zone manager for the indicated zone MUST be locked
1323 * by the caller. This is not checked.
1324 *\li 'first' be non-NULL, and '*first' be NULL
1327 *\li 'first' points to a valid zone (result ISC_R_SUCCESS) or to NULL
1328 * (result ISC_R_NOMORE).
1332 dns_zone_setkeydirectory(dns_zone_t *zone, const char *directory);
1334 * Sets the name of the directory where private keys used for
1335 * online signing of dynamic zones are found.
1338 *\li 'zone' to be a valid zone.
1341 *\li #ISC_R_NOMEMORY
1346 dns_zone_getkeydirectory(dns_zone_t *zone);
1348 * Gets the name of the directory where private keys used for
1349 * online signing of dynamic zones are found.
1352 *\li 'zone' to be valid initialised zone.
1355 * Pointer to null-terminated file name, or NULL.
1360 dns_zonemgr_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
1361 isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr,
1362 dns_zonemgr_t **zmgrp);
1364 * Create a zone manager.
1367 *\li 'mctx' to be a valid memory context.
1368 *\li 'taskmgr' to be a valid task manager.
1369 *\li 'timermgr' to be a valid timer manager.
1370 *\li 'zmgrp' to point to a NULL pointer.
1374 dns_zonemgr_managezone(dns_zonemgr_t *zmgr, dns_zone_t *zone);
1376 * Bring the zone under control of a zone manager.
1379 *\li 'zmgr' to be a valid zone manager.
1380 *\li 'zone' to be a valid zone.
1384 dns_zonemgr_forcemaint(dns_zonemgr_t *zmgr);
1386 * Force zone maintenance of all zones managed by 'zmgr' at its
1387 * earliest convenience.
1391 dns_zonemgr_resumexfrs(dns_zonemgr_t *zmgr);
1393 * Attempt to start any stalled zone transfers.
1397 dns_zonemgr_shutdown(dns_zonemgr_t *zmgr);
1399 * Shut down the zone manager.
1402 *\li 'zmgr' to be a valid zone manager.
1406 dns_zonemgr_attach(dns_zonemgr_t *source, dns_zonemgr_t **target);
1408 * Attach '*target' to 'source' incrementing its external
1412 *\li 'zone' to be a valid zone.
1413 *\li 'target' to be non NULL and '*target' to be NULL.
1417 dns_zonemgr_detach(dns_zonemgr_t **zmgrp);
1419 * Detach from a zone manager.
1422 *\li '*zmgrp' is a valid, non-NULL zone manager pointer.
1425 *\li '*zmgrp' is NULL.
1429 dns_zonemgr_releasezone(dns_zonemgr_t *zmgr, dns_zone_t *zone);
1431 * Release 'zone' from the managed by 'zmgr'. 'zmgr' is implicitly
1432 * detached from 'zone'.
1435 *\li 'zmgr' to be a valid zone manager.
1436 *\li 'zone' to be a valid zone.
1437 *\li 'zmgr' == 'zone->zmgr'
1440 *\li 'zone->zmgr' == NULL;
1444 dns_zonemgr_settransfersin(dns_zonemgr_t *zmgr, isc_uint32_t value);
1446 * Set the maximum number of simultaneous transfers in allowed by
1450 *\li 'zmgr' to be a valid zone manager.
1454 dns_zonemgr_getttransfersin(dns_zonemgr_t *zmgr);
1456 * Return the maximum number of simultaneous transfers in allowed.
1459 *\li 'zmgr' to be a valid zone manager.
1463 dns_zonemgr_settransfersperns(dns_zonemgr_t *zmgr, isc_uint32_t value);
1465 * Set the number of zone transfers allowed per nameserver.
1468 *\li 'zmgr' to be a valid zone manager
1472 dns_zonemgr_getttransfersperns(dns_zonemgr_t *zmgr);
1474 * Return the number of transfers allowed per nameserver.
1477 *\li 'zmgr' to be a valid zone manager.
1481 dns_zonemgr_setiolimit(dns_zonemgr_t *zmgr, isc_uint32_t iolimit);
1483 * Set the number of simultaneous file descriptors available for
1484 * reading and writing masterfiles.
1487 *\li 'zmgr' to be a valid zone manager.
1488 *\li 'iolimit' to be positive.
1492 dns_zonemgr_getiolimit(dns_zonemgr_t *zmgr);
1494 * Get the number of simultaneous file descriptors available for
1495 * reading and writing masterfiles.
1498 *\li 'zmgr' to be a valid zone manager.
1502 dns_zonemgr_setserialqueryrate(dns_zonemgr_t *zmgr, unsigned int value);
1504 * Set the number of SOA queries sent per second.
1507 *\li 'zmgr' to be a valid zone manager
1511 dns_zonemgr_getserialqueryrate(dns_zonemgr_t *zmgr);
1513 * Return the number of SOA queries sent per second.
1516 *\li 'zmgr' to be a valid zone manager.
1520 dns_zonemgr_getcount(dns_zonemgr_t *zmgr, int state);
1522 * Returns the number of zones in the specified state.
1525 *\li 'zmgr' to be a valid zone manager.
1526 *\li 'state' to be a valid DNS_ZONESTATE_ constant.
1530 dns_zonemgr_unreachableadd(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
1531 isc_sockaddr_t *local, isc_time_t *now);
1533 * Add the pair of addresses to the unreachable cache.
1536 *\li 'zmgr' to be a valid zone manager.
1537 *\li 'remote' to be a valid sockaddr.
1538 *\li 'local' to be a valid sockaddr.
1542 dns_zone_forcereload(dns_zone_t *zone);
1544 * Force a reload of specified zone.
1547 *\li 'zone' to be a valid zone.
1551 dns_zone_isforced(dns_zone_t *zone);
1553 * Check if the zone is waiting a forced reload.
1556 * \li 'zone' to be a valid zone.
1560 dns_zone_setstatistics(dns_zone_t *zone, isc_boolean_t on);
1562 * This function is obsoleted by dns_zone_setrequeststats().
1566 dns_zone_getstatscounters(dns_zone_t *zone);
1568 * This function is obsoleted by dns_zone_getrequeststats().
1572 dns_zone_setstats(dns_zone_t *zone, isc_stats_t *stats);
1574 * Set a general zone-maintenance statistics set 'stats' for 'zone'. This
1575 * function is expected to be called only on zone creation (when necessary).
1576 * Once installed, it cannot be removed or replaced. Also, there is no
1577 * interface to get the installed stats from the zone; the caller must keep the
1578 * stats to reference (e.g. dump) it later.
1581 * \li 'zone' to be a valid zone and does not have a statistics set already
1584 *\li stats is a valid statistics supporting zone statistics counters
1585 * (see dns/stats.h).
1589 dns_zone_setrequeststats(dns_zone_t *zone, isc_stats_t *stats);
1591 * Set an additional statistics set to zone. It is attached in the zone
1592 * but is not counted in the zone module; only the caller updates the counters.
1595 * \li 'zone' to be a valid zone.
1597 *\li stats is a valid statistics.
1601 dns_zone_getrequeststats(dns_zone_t *zone);
1603 * Get the additional statistics for zone, if one is installed.
1606 * \li 'zone' to be a valid zone.
1609 * \li when available, a pointer to the statistics set installed in zone;
1614 dns_zone_dialup(dns_zone_t *zone);
1616 * Perform dialup-time maintenance on 'zone'.
1620 dns_zone_setdialup(dns_zone_t *zone, dns_dialuptype_t dialup);
1622 * Set the dialup type of 'zone' to 'dialup'.
1625 * \li 'zone' to be valid initialised zone.
1626 *\li 'dialup' to be a valid dialup type.
1630 dns_zone_log(dns_zone_t *zone, int level, const char *msg, ...)
1631 ISC_FORMAT_PRINTF(3, 4);
1633 * Log the message 'msg...' at 'level', including text that identifies
1634 * the message as applying to 'zone'.
1638 dns_zone_logc(dns_zone_t *zone, isc_logcategory_t *category, int level,
1639 const char *msg, ...) ISC_FORMAT_PRINTF(4, 5);
1641 * Log the message 'msg...' at 'level', including text that identifies
1642 * the message as applying to 'zone'.
1646 dns_zone_name(dns_zone_t *zone, char *buf, size_t len);
1648 * Return the name of the zone with class and view.
1651 *\li 'zone' to be valid.
1652 *\li 'buf' to be non NULL.
1656 dns_zone_checknames(dns_zone_t *zone, dns_name_t *name, dns_rdata_t *rdata);
1658 * Check if this record meets the check-names policy.
1661 * 'zone' to be valid.
1662 * 'name' to be valid.
1663 * 'rdata' to be valid.
1666 * DNS_R_SUCCESS passed checks.
1667 * DNS_R_BADOWNERNAME failed ownername checks.
1668 * DNS_R_BADNAME failed rdata checks.
1672 dns_zone_setacache(dns_zone_t *zone, dns_acache_t *acache);
1674 * Associate the zone with an additional cache.
1677 * 'zone' to be a valid zone.
1678 * 'acache' to be a non NULL pointer.
1681 * 'zone' will have a reference to 'acache'
1685 dns_zone_setcheckmx(dns_zone_t *zone, dns_checkmxfunc_t checkmx);
1687 * Set the post load integrity callback function 'checkmx'.
1688 * 'checkmx' will be called if the MX is not within the zone.
1691 * 'zone' to be a valid zone.
1695 dns_zone_setchecksrv(dns_zone_t *zone, dns_checkmxfunc_t checksrv);
1697 * Set the post load integrity callback function 'checksrv'.
1698 * 'checksrv' will be called if the SRV TARGET is not within the zone.
1701 * 'zone' to be a valid zone.
1705 dns_zone_setcheckns(dns_zone_t *zone, dns_checknsfunc_t checkns);
1707 * Set the post load integrity callback function 'checkmx'.
1708 * 'checkmx' will be called if the MX is not within the zone.
1711 * 'zone' to be a valid zone.
1715 dns_zone_setnotifydelay(dns_zone_t *zone, isc_uint32_t delay);
1717 * Set the minimum delay between sets of notify messages.
1720 * 'zone' to be valid.
1724 dns_zone_getnotifydelay(dns_zone_t *zone);
1726 * Get the minimum delay between sets of notify messages.
1729 * 'zone' to be valid.
1733 dns_zone_setisself(dns_zone_t *zone, dns_isselffunc_t isself, void *arg);
1735 * Set the isself callback function and argument.
1738 * isself(dns_view_t *myview, dns_tsigkey_t *mykey, isc_netaddr_t *srcaddr,
1739 * isc_netaddr_t *destaddr, dns_rdataclass_t rdclass, void *arg);
1741 * 'isself' returns ISC_TRUE if a non-recursive query from 'srcaddr' to
1742 * 'destaddr' with optional key 'mykey' for class 'rdclass' would be
1743 * delivered to 'myview'.
1747 dns_zone_setnodes(dns_zone_t *zone, isc_uint32_t nodes);
1749 * Set the number of nodes that will be checked per quantum.
1753 dns_zone_setsignatures(dns_zone_t *zone, isc_uint32_t signatures);
1755 * Set the number of signatures that will be generated per quantum.
1759 dns_zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm,
1760 isc_uint16_t keyid, isc_boolean_t delete);
1762 * Initiate/resume signing of the entire zone with the zone DNSKEY(s)
1763 * that match the given algorithm and keyid.
1767 dns_zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param);
1769 * Incrementally add a NSEC3 chain that corresponds to 'nsec3param'.
1773 dns_zone_setprivatetype(dns_zone_t *zone, dns_rdatatype_t type);
1775 dns_zone_getprivatetype(dns_zone_t *zone);
1777 * Get/Set the private record type. It is expected that these interfaces
1778 * will not be permanent.
1782 dns_zone_rekey(dns_zone_t *zone);
1784 * Update the zone's DNSKEY set from the key repository.
1788 dns_zone_nscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
1789 unsigned int *errors);
1791 * Check if the name servers for the zone are sane (have address, don't
1792 * refer to CNAMEs/DNAMEs. The number of constiancy errors detected in
1793 * returned in '*errors'
1796 * \li 'zone' to be valid.
1797 * \li 'db' to be valid.
1798 * \li 'version' to be valid or NULL.
1799 * \li 'errors' to be non NULL.
1802 * ISC_R_SUCCESS if there were no errors examining the zone contents.
1808 #endif /* DNS_ZONE_H */