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/* * 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_ZONE_H #define DNS_ZONE_H 1 /*! \file dns/zone.h */ /*** *** Imports ***/ #include <inttypes.h> #include <stdbool.h> #include <stdio.h> #include <isc/formatcheck.h> #include <isc/lang.h> #include <isc/rwlock.h> #include <dns/catz.h> #include <dns/master.h> #include <dns/masterdump.h> #include <dns/rdatastruct.h> #include <dns/rpz.h> #include <dns/types.h> #include <dns/zt.h> typedef enum { dns_zone_none, dns_zone_primary, dns_zone_secondary, dns_zone_mirror, dns_zone_stub, dns_zone_staticstub, dns_zone_key, dns_zone_dlz, dns_zone_redirect } dns_zonetype_t; #ifndef dns_zone_master #define dns_zone_master dns_zone_primary #endif /* dns_zone_master */ #ifndef dns_zone_slave #define dns_zone_slave dns_zone_secondary #endif /* dns_zone_slave */ typedef enum { dns_zonestat_none = 0, dns_zonestat_terse, dns_zonestat_full } dns_zonestat_level_t; typedef enum { DNS_ZONEOPT_MANYERRORS = 1 << 0, /*%< return many errors on load */ DNS_ZONEOPT_IXFRFROMDIFFS = 1 << 1, /*%< calculate differences */ DNS_ZONEOPT_NOMERGE = 1 << 2, /*%< don't merge journal */ DNS_ZONEOPT_CHECKNS = 1 << 3, /*%< check if NS's are addresses */ DNS_ZONEOPT_FATALNS = 1 << 4, /*%< DNS_ZONEOPT_CHECKNS is fatal */ DNS_ZONEOPT_MULTIMASTER = 1 << 5, /*%< this zone has multiple primaries */ DNS_ZONEOPT_USEALTXFRSRC = 1 << 6, /*%< use alternate transfer sources */ DNS_ZONEOPT_CHECKNAMES = 1 << 7, /*%< check-names */ DNS_ZONEOPT_CHECKNAMESFAIL = 1 << 8, /*%< fatal check-name failures */ DNS_ZONEOPT_CHECKWILDCARD = 1 << 9, /*%< check for internal wildcards */ DNS_ZONEOPT_CHECKMX = 1 << 10, /*%< check-mx */ DNS_ZONEOPT_CHECKMXFAIL = 1 << 11, /*%< fatal check-mx failures */ DNS_ZONEOPT_CHECKINTEGRITY = 1 << 12, /*%< perform integrity checks */ DNS_ZONEOPT_CHECKSIBLING = 1 << 13, /*%< perform sibling glue checks */ DNS_ZONEOPT_NOCHECKNS = 1 << 14, /*%< disable IN NS address checks */ DNS_ZONEOPT_WARNMXCNAME = 1 << 15, /*%< warn on MX CNAME check */ DNS_ZONEOPT_IGNOREMXCNAME = 1 << 16, /*%< ignore MX CNAME check */ DNS_ZONEOPT_WARNSRVCNAME = 1 << 17, /*%< warn on SRV CNAME check */ DNS_ZONEOPT_IGNORESRVCNAME = 1 << 18, /*%< ignore SRV CNAME check */ DNS_ZONEOPT_UPDATECHECKKSK = 1 << 19, /*%< check dnskey KSK flag */ DNS_ZONEOPT_TRYTCPREFRESH = 1 << 20, /*%< try tcp refresh on udp failure */ DNS_ZONEOPT_NOTIFYTOSOA = 1 << 21, /*%< Notify the SOA MNAME */ DNS_ZONEOPT_NSEC3TESTZONE = 1 << 22, /*%< nsec3-test-zone */ DNS_ZONEOPT_SECURETOINSECURE = 1 << 23, /*%< dnssec-secure-to-insecure */ DNS_ZONEOPT_DNSKEYKSKONLY = 1 << 24, /*%< dnssec-dnskey-kskonly */ DNS_ZONEOPT_CHECKDUPRR = 1 << 25, /*%< check-dup-records */ DNS_ZONEOPT_CHECKDUPRRFAIL = 1 << 26, /*%< fatal check-dup-records * failures */ DNS_ZONEOPT_CHECKSPF = 1 << 27, /*%< check SPF records */ DNS_ZONEOPT_CHECKTTL = 1 << 28, /*%< check max-zone-ttl */ DNS_ZONEOPT_AUTOEMPTY = 1 << 29, /*%< automatic empty zone */ DNS_ZONEOPT___MAX = UINT64_MAX, /* trick to make the ENUM 64-bit wide */ } dns_zoneopt_t; /* * Zone key maintenance options */ typedef enum { DNS_ZONEKEY_ALLOW = 0x00000001U, /*%< fetch keys on command */ DNS_ZONEKEY_MAINTAIN = 0x00000002U, /*%< publish/sign on schedule */ DNS_ZONEKEY_CREATE = 0x00000004U, /*%< make keys when needed */ DNS_ZONEKEY_FULLSIGN = 0x00000008U, /*%< roll to new keys immediately */ DNS_ZONEKEY_NORESIGN = 0x00000010U, /*%< no automatic resigning */ DNS_ZONEKEY___MAX = UINT64_MAX, /* trick to make the ENUM 64-bit wide */ } dns_zonekey_t; #ifndef DNS_ZONE_MINREFRESH #define DNS_ZONE_MINREFRESH 300 /*%< 5 minutes */ #endif /* ifndef DNS_ZONE_MINREFRESH */ #ifndef DNS_ZONE_MAXREFRESH #define DNS_ZONE_MAXREFRESH 2419200 /*%< 4 weeks */ #endif /* ifndef DNS_ZONE_MAXREFRESH */ #ifndef DNS_ZONE_DEFAULTREFRESH #define DNS_ZONE_DEFAULTREFRESH 3600 /*%< 1 hour */ #endif /* ifndef DNS_ZONE_DEFAULTREFRESH */ #ifndef DNS_ZONE_MINRETRY #define DNS_ZONE_MINRETRY 300 /*%< 5 minutes */ #endif /* ifndef DNS_ZONE_MINRETRY */ #ifndef DNS_ZONE_MAXRETRY #define DNS_ZONE_MAXRETRY 1209600 /*%< 2 weeks */ #endif /* ifndef DNS_ZONE_MAXRETRY */ #ifndef DNS_ZONE_DEFAULTRETRY #define DNS_ZONE_DEFAULTRETRY \ 60 /*%< 1 minute, subject to \ * exponential backoff */ #endif /* ifndef DNS_ZONE_DEFAULTRETRY */ #define DNS_ZONESTATE_XFERRUNNING 1 #define DNS_ZONESTATE_XFERDEFERRED 2 #define DNS_ZONESTATE_SOAQUERY 3 #define DNS_ZONESTATE_ANY 4 #define DNS_ZONESTATE_AUTOMATIC 5 ISC_LANG_BEGINDECLS /*** *** Functions ***/ isc_result_t dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx); /*%< * Creates a new empty zone and attach '*zonep' to it. * * Requires: *\li 'zonep' to point to a NULL pointer. *\li 'mctx' to be a valid memory context. * * Ensures: *\li '*zonep' refers to a valid zone. * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY *\li #ISC_R_UNEXPECTED */ isc_result_t dns_zone_makedb(dns_zone_t *zone, dns_db_t **dbp); /*%< * Creates a new empty database for the 'zone'. * * Requires: *\li 'zone' to be a valid zone. *\li 'dbp' to point to NULL pointer. * * Returns: *\li dns_db_create() error codes. */ void dns_zone_setclass(dns_zone_t *zone, dns_rdataclass_t rdclass); /*%< * Sets the class of a zone. This operation can only be performed * once on a zone. * * Require: *\li 'zone' to be a valid zone. *\li dns_zone_setclass() not to have been called since the zone was * created. *\li 'rdclass' != dns_rdataclass_none. */ dns_rdataclass_t dns_zone_getclass(dns_zone_t *zone); /*%< * Returns the current zone class. * * Requires: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_getserial(dns_zone_t *zone, uint32_t *serialp); /*%< * Returns the current serial number of the zone. On success, the SOA * serial of the zone will be copied into '*serialp'. * * Requires: *\li 'zone' to be a valid zone. *\li 'serialp' to be non NULL * * Returns: *\li #ISC_R_SUCCESS *\li #DNS_R_NOTLOADED zone DB is not loaded */ void dns_zone_settype(dns_zone_t *zone, dns_zonetype_t type); /*%< * Sets the zone type. This operation can only be performed once on * a zone. * * Requires: *\li 'zone' to be a valid zone. *\li dns_zone_settype() not to have been called since the zone was * created. *\li 'type' != dns_zone_none */ void dns_zone_setview(dns_zone_t *zone, dns_view_t *view); /*%< * Associate the zone with a view. * * Require: *\li 'zone' to be a valid zone. */ dns_view_t * dns_zone_getview(dns_zone_t *zone); /*%< * Returns the zone's associated view. * * Requires: *\li 'zone' to be a valid zone. */ void dns_zone_setviewcommit(dns_zone_t *zone); /*%< * Commit the previous view saved internally via dns_zone_setview(). * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_setviewrevert(dns_zone_t *zone); /*%< * Revert the most recent dns_zone_setview() on this zone, * restoring the previous view. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setorigin(dns_zone_t *zone, const dns_name_t *origin); /*%< * Sets the zones origin to 'origin'. * * Require: *\li 'zone' to be a valid zone. *\li 'origin' to be non NULL. * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY */ dns_name_t * dns_zone_getorigin(dns_zone_t *zone); /*%< * Returns the value of the origin. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setfile(dns_zone_t *zone, const char *file, dns_masterformat_t format, const dns_master_style_t *style); /*%< * Sets the name of the master file in the format of 'format' from which * the zone loads its database to 'file'. * * For zones that have no associated master file, 'file' will be NULL. * * For zones with persistent databases, the file name * setting is ignored. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_NOMEMORY *\li #ISC_R_SUCCESS */ const char * dns_zone_getfile(dns_zone_t *zone); /*%< * Gets the name of the zone's master file, if any. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li Pointer to null-terminated file name, or NULL. */ void dns_zone_setmaxrecords(dns_zone_t *zone, uint32_t records); /*%< * Sets the maximum number of records permitted in a zone. * 0 implies unlimited. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li void */ uint32_t dns_zone_getmaxrecords(dns_zone_t *zone); /*%< * Gets the maximum number of records permitted in a zone. * 0 implies unlimited. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li uint32_t maxrecords. */ void dns_zone_setmaxrrperset(dns_zone_t *zone, uint32_t maxrrperset); /*%< * Sets the maximum number of records per rrset permitted in a zone. * 0 implies unlimited. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li void */ void dns_zone_setmaxtypepername(dns_zone_t *zone, uint32_t maxtypepername); /*%< * Sets the maximum number of resource record types per owner name * permitted in a zone. 0 implies unlimited. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li void */ void dns_zone_setmaxttl(dns_zone_t *zone, uint32_t maxttl); /*%< * Sets the max ttl of the zone. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li void */ dns_ttl_t dns_zone_getmaxttl(dns_zone_t *zone); /*%< * Gets the max ttl of the zone. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: *\li dns_ttl_t maxttl. */ void dns_zone_lock_keyfiles(dns_zone_t *zone); /*%< * Lock associated keyfiles for this zone. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_unlock_keyfiles(dns_zone_t *zone); /*%< * Unlock associated keyfiles for this zone. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_load(dns_zone_t *zone, bool newonly); isc_result_t dns_zone_loadandthaw(dns_zone_t *zone); /*%< * Cause the database to be loaded from its backing store. * Confirm that the minimum requirements for the zone type are * met, otherwise DNS_R_BADZONE is returned. * * If newonly is set dns_zone_load() only loads new zones. * dns_zone_loadandthaw() is similar to dns_zone_load() but will * also re-enable DNS UPDATEs when the load completes. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_UNEXPECTED *\li #ISC_R_SUCCESS *\li DNS_R_CONTINUE Incremental load has been queued. *\li DNS_R_UPTODATE The zone has already been loaded based on * file system timestamps. *\li DNS_R_BADZONE *\li Any result value from dns_db_load(). */ isc_result_t dns_zone_asyncload(dns_zone_t *zone, bool newonly, dns_zt_zoneloaded_t done, void *arg); /*%< * Cause the database to be loaded from its backing store asynchronously. * Other zone maintenance functions are suspended until this is complete. * When finished, 'done' is called to inform the caller, with 'arg' as * its first argument and 'zone' as its second. (Normally, 'arg' is * expected to point to the zone table but is left undefined for testing * purposes.) * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_ALREADYRUNNING *\li #ISC_R_SUCCESS *\li #ISC_R_FAILURE *\li #ISC_R_NOMEMORY */ bool dns__zone_loadpending(dns_zone_t *zone); /*%< * Indicates whether the zone is waiting to be loaded asynchronously. * (Not currently intended for use outside of this module and associated * tests.) */ void dns_zone_attach(dns_zone_t *source, dns_zone_t **target); /*%< * Attach '*target' to 'source' incrementing its external * reference count. * * Require: *\li 'zone' to be a valid zone. *\li 'target' to be non NULL and '*target' to be NULL. */ void dns_zone_detach(dns_zone_t **zonep); /*%< * Detach from a zone decrementing its external reference count. * If this was the last external reference to the zone it will be * shut down and eventually freed. * * Require: *\li 'zonep' to point to a valid zone. */ void dns_zone_iattach(dns_zone_t *source, dns_zone_t **target); /*%< * Attach '*target' to 'source' incrementing its internal * reference count. This is intended for use by operations * such as zone transfers that need to prevent the zone * object from being freed but not from shutting down. * * Require: *\li The caller is running in the context of the zone's task. *\li 'zone' to be a valid zone. *\li 'target' to be non NULL and '*target' to be NULL. */ void dns_zone_idetach(dns_zone_t **zonep); /*%< * Detach from a zone decrementing its internal reference count. * If there are no more internal or external references to the * zone, it will be freed. * * Require: *\li The caller is running in the context of the zone's task. *\li 'zonep' to point to a valid zone. */ isc_result_t dns_zone_getdb(dns_zone_t *zone, dns_db_t **dbp); /*%< * Attach '*dbp' to the database to if it exists otherwise * return DNS_R_NOTLOADED. * * Require: *\li 'zone' to be a valid zone. *\li 'dbp' to be != NULL && '*dbp' == NULL. * * Returns: *\li #ISC_R_SUCCESS *\li DNS_R_NOTLOADED */ void dns_zone_setdb(dns_zone_t *zone, dns_db_t *db); /*%< * Sets the zone database to 'db'. * * This function is expected to be used to configure a zone with a * database which is not loaded from a file or zone transfer. * It can be used for a general purpose zone, but right now its use * is limited to static-stub zones to avoid possible undiscovered * problems in the general cases. * * Require: *\li 'zone' to be a valid zone of static-stub. *\li zone doesn't have a database. */ void dns_zone_setdbtype(dns_zone_t *zone, unsigned int dbargc, const char *const *dbargv); /*%< * Sets the database type to dbargv[0] and database arguments * to subsequent dbargv elements. * 'db_type' is not checked to see if it is a valid database type. * * Require: *\li 'zone' to be a valid zone. *\li 'database' to be non NULL. *\li 'dbargc' to be >= 1 *\li 'dbargv' to point to dbargc NULL-terminated strings */ isc_result_t dns_zone_getdbtype(dns_zone_t *zone, char ***argv, isc_mem_t *mctx); /*%< * Returns the current dbtype. isc_mem_free() should be used * to free 'argv' after use. * * Require: *\li 'zone' to be a valid zone. *\li 'argv' to be non NULL and *argv to be NULL. *\li 'mctx' to be valid. * * Returns: *\li #ISC_R_NOMEMORY *\li #ISC_R_SUCCESS */ void dns_zone_markdirty(dns_zone_t *zone); /*%< * Mark a zone as 'dirty'. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_expire(dns_zone_t *zone); /*%< * Mark the zone as expired. If the zone requires dumping cause it to * be initiated. Set the refresh and retry intervals to there default * values and unload the zone. * * Require *\li 'zone' to be a valid zone. */ void dns_zone_refresh(dns_zone_t *zone); /*%< * Initiate zone up to date checks. The zone must already be being * managed. * * Require *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_flush(dns_zone_t *zone); /*%< * Write the zone to database if there are uncommitted changes. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_dump(dns_zone_t *zone); /*%< * Write the zone to database. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_dumptostream(dns_zone_t *zone, FILE *fd, dns_masterformat_t format, const dns_master_style_t *style, const uint32_t rawversion); /*%< * Write the zone to stream 'fd' in the specified 'format'. * If the 'format' is dns_masterformat_text (RFC1035), 'style' also * specifies the file style (e.g., &dns_master_style_default). * * dns_zone_dumptostream() is a backward-compatible form of * dns_zone_dumptostream2(), which always uses the dns_masterformat_text * format and the dns_master_style_default style. * * dns_zone_dumptostream2() is a backward-compatible form of * dns_zone_dumptostream3(), which always uses the current * default raw file format version. * * Note that dns_zone_dumptostream3() is the most flexible form. It * can also provide the functionality of dns_zone_fulldumptostream(). * * Require: *\li 'zone' to be a valid zone. *\li 'fd' to be a stream open for writing. */ void dns_zone_maintenance(dns_zone_t *zone); /*%< * Perform regular maintenance on the zone. This is called as a * result of a zone being managed. * * Require *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setprimaries(dns_zone_t *zone, const isc_sockaddr_t *primaries, uint32_t count); isc_result_t dns_zone_setprimarieswithkeys(dns_zone_t *zone, const isc_sockaddr_t *primaries, dns_name_t **keynames, uint32_t count); /*%< * Set the list of master servers for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'primaries' array of isc_sockaddr_t with port set or NULL. *\li 'count' the number of primaries. *\li 'keynames' array of dns_name_t's for tsig keys or NULL. * *\li If 'primaries' is NULL then 'count' must be zero. * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY *\li Any result dns_name_dup() can return, if keynames!=NULL */ isc_result_t dns_zone_setparentals(dns_zone_t *zone, const isc_sockaddr_t *parentals, dns_name_t **keynames, uint32_t count); /*%< * Set the list of parental agents for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'parentals' array of isc_sockaddr_t with port set or NULL. *\li 'count' the number of primaries. *\li 'keynames' array of dns_name_t's for tsig keys or NULL. * *\li If 'parentals' is NULL then 'count' must be zero. * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY *\li Any result dns_name_dup() can return, if keynames!=NULL */ isc_result_t dns_zone_setalsonotify(dns_zone_t *zone, const isc_sockaddr_t *notify, uint32_t count); isc_result_t dns_zone_setalsonotifywithkeys(dns_zone_t *zone, const isc_sockaddr_t *notify, dns_name_t **keynames, uint32_t count); isc_result_t dns_zone_setalsonotifydscpkeys(dns_zone_t *zone, const isc_sockaddr_t *notify, const isc_dscp_t *dscps, dns_name_t **keynames, uint32_t count); /*%< * Set the list of additional servers to be notified when * a zone changes. To clear the list use 'count = 0'. * * dns_zone_alsonotifywithkeys() allows each notify address to * be associated with a TSIG key. * * Require: *\li 'zone' to be a valid zone. *\li 'notify' to be non-NULL if count != 0. *\li 'count' to be the number of notifiees. * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY */ void dns_zone_unload(dns_zone_t *zone); /*%< * detach the database from the zone structure. * * Require: *\li 'zone' to be a valid zone. */ dns_kasp_t * dns_zone_getkasp(dns_zone_t *zone); /*%< * Returns the current kasp. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_setkasp(dns_zone_t *zone, dns_kasp_t *kasp); /*%< * Set kasp for zone. If a kasp is already set, it will be detached. * * Requires: *\li 'zone' to be a valid zone. */ void dns_zone_setoption(dns_zone_t *zone, dns_zoneopt_t option, bool value); /*%< * Set the given options on ('value' == true) or off * ('value' == #false). * * Require: *\li 'zone' to be a valid zone. */ dns_zoneopt_t dns_zone_getoptions(dns_zone_t *zone); /*%< * Returns the current zone options. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_setkeyopt(dns_zone_t *zone, unsigned int option, bool value); /*%< * Set key options on ('value' == true) or off ('value' == * #false). * * Require: *\li 'zone' to be a valid zone. */ unsigned int dns_zone_getkeyopts(dns_zone_t *zone); /*%< * Returns the current zone key options. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_setminrefreshtime(dns_zone_t *zone, uint32_t val); /*%< * Set the minimum refresh time. * * Requires: *\li 'zone' is valid. *\li val > 0. */ void dns_zone_setmaxrefreshtime(dns_zone_t *zone, uint32_t val); /*%< * Set the maximum refresh time. * * Requires: *\li 'zone' is valid. *\li val > 0. */ void dns_zone_setminretrytime(dns_zone_t *zone, uint32_t val); /*%< * Set the minimum retry time. * * Requires: *\li 'zone' is valid. *\li val > 0. */ void dns_zone_setmaxretrytime(dns_zone_t *zone, uint32_t val); /*%< * Set the maximum retry time. * * Requires: *\li 'zone' is valid. * val > 0. */ isc_result_t dns_zone_setxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource); isc_result_t dns_zone_setaltxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource); /*%< * Set the source address to be used in IPv4 zone transfers. * * Require: *\li 'zone' to be a valid zone. *\li 'xfrsource' to contain the address. * * Returns: *\li #ISC_R_SUCCESS */ isc_sockaddr_t * dns_zone_getxfrsource4(dns_zone_t *zone); isc_sockaddr_t * dns_zone_getaltxfrsource4(dns_zone_t *zone); /*%< * Returns the source address set by a previous dns_zone_setxfrsource4 * call, or the default of inaddr_any, port 0. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setxfrsource4dscp(dns_zone_t *zone, isc_dscp_t dscp); isc_result_t dns_zone_setaltxfrsource4dscp(dns_zone_t *zone, isc_dscp_t dscp); /*%< * Set the DSCP value associated with the transfer/alt-transfer source. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS */ isc_dscp_t dns_zone_getxfrsource4dscp(dns_zone_t *zone); isc_dscp_t dns_zone_getaltxfrsource4dscp(dns_zone_t *zone); /*%/ * Get the DSCP value associated with the transfer/alt-transfer source. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource); isc_result_t dns_zone_setaltxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource); /*%< * Set the source address to be used in IPv6 zone transfers. * * Require: *\li 'zone' to be a valid zone. *\li 'xfrsource' to contain the address. * * Returns: *\li #ISC_R_SUCCESS */ isc_sockaddr_t * dns_zone_getxfrsource6(dns_zone_t *zone); isc_sockaddr_t * dns_zone_getaltxfrsource6(dns_zone_t *zone); /*%< * Returns the source address set by a previous dns_zone_setxfrsource6 * call, or the default of in6addr_any, port 0. * * Require: *\li 'zone' to be a valid zone. */ isc_dscp_t dns_zone_getxfrsource6dscp(dns_zone_t *zone); isc_dscp_t dns_zone_getaltxfrsource6dscp(dns_zone_t *zone); /*%/ * Get the DSCP value associated with the transfer/alt-transfer source. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setxfrsource6dscp(dns_zone_t *zone, isc_dscp_t dscp); isc_result_t dns_zone_setaltxfrsource6dscp(dns_zone_t *zone, isc_dscp_t dscp); /*%< * Set the DSCP value associated with the transfer/alt-transfer source. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS */ isc_result_t dns_zone_setparentalsrc4(dns_zone_t *zone, const isc_sockaddr_t *parentalsrc); /*%< * Set the source address to be used with IPv4 parental DS queries. * * Require: *\li 'zone' to be a valid zone. *\li 'parentalsrc' to contain the address. * * Returns: *\li #ISC_R_SUCCESS */ isc_sockaddr_t * dns_zone_getparentalsrc4(dns_zone_t *zone); /*%< * Returns the source address set by a previous dns_zone_setparentalsrc4 * call, or the default of inaddr_any, port 0. * * Require: *\li 'zone' to be a valid zone. */ isc_dscp_t dns_zone_getparentalsrc4dscp(dns_zone_t *zone); /*%/ * Get the DSCP value associated with the IPv4 parental source. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setparentalsrc4dscp(dns_zone_t *zone, isc_dscp_t dscp); /*%< * Set the DSCP value associated with the IPv4 parental source. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS */ isc_result_t dns_zone_setparentalsrc6(dns_zone_t *zone, const isc_sockaddr_t *parentalsrc); /*%< * Set the source address to be used with IPv6 parental DS queries. * * Require: *\li 'zone' to be a valid zone. *\li 'parentalsrc' to contain the address. * * Returns: *\li #ISC_R_SUCCESS */ isc_sockaddr_t * dns_zone_getparentalsrc6(dns_zone_t *zone); /*%< * Returns the source address set by a previous dns_zone_setparentalsrc6 * call, or the default of in6addr_any, port 0. * * Require: *\li 'zone' to be a valid zone. */ isc_dscp_t dns_zone_getparentalsrc6dscp(dns_zone_t *zone); /*%/ * Get the DSCP value associated with the IPv6 parental source. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setparentalsrc6dscp(dns_zone_t *zone, isc_dscp_t dscp); /*%< * Set the DSCP value associated with the IPv6 parental source. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS */ isc_result_t dns_zone_setnotifysrc4(dns_zone_t *zone, const isc_sockaddr_t *notifysrc); /*%< * Set the source address to be used with IPv4 NOTIFY messages. * * Require: *\li 'zone' to be a valid zone. *\li 'notifysrc' to contain the address. * * Returns: *\li #ISC_R_SUCCESS */ isc_sockaddr_t * dns_zone_getnotifysrc4(dns_zone_t *zone); /*%< * Returns the source address set by a previous dns_zone_setnotifysrc4 * call, or the default of inaddr_any, port 0. * * Require: *\li 'zone' to be a valid zone. */ isc_dscp_t dns_zone_getnotifysrc4dscp(dns_zone_t *zone); /*%/ * Get the DSCP value associated with the IPv4 notify source. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setnotifysrc4dscp(dns_zone_t *zone, isc_dscp_t dscp); /*%< * Set the DSCP value associated with the IPv4 notify source. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS */ isc_result_t dns_zone_setnotifysrc6(dns_zone_t *zone, const isc_sockaddr_t *notifysrc); /*%< * Set the source address to be used with IPv6 NOTIFY messages. * * Require: *\li 'zone' to be a valid zone. *\li 'notifysrc' to contain the address. * * Returns: *\li #ISC_R_SUCCESS */ isc_sockaddr_t * dns_zone_getnotifysrc6(dns_zone_t *zone); /*%< * Returns the source address set by a previous dns_zone_setnotifysrc6 * call, or the default of in6addr_any, port 0. * * Require: *\li 'zone' to be a valid zone. */ isc_dscp_t dns_zone_getnotifysrc6dscp(dns_zone_t *zone); /*%/ * Get the DSCP value associated with the IPv6 notify source. * * Require: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_setnotifysrc6dscp(dns_zone_t *zone, isc_dscp_t dscp); /*%< * Set the DSCP value associated with the IPv6 notify source. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS */ void dns_zone_setnotifyacl(dns_zone_t *zone, dns_acl_t *acl); /*%< * Sets the notify acl list for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'acl' to be a valid acl. */ void dns_zone_setqueryacl(dns_zone_t *zone, dns_acl_t *acl); /*%< * Sets the query acl list for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'acl' to be a valid acl. */ void dns_zone_setqueryonacl(dns_zone_t *zone, dns_acl_t *acl); /*%< * Sets the query-on acl list for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'acl' to be a valid acl. */ void dns_zone_setupdateacl(dns_zone_t *zone, dns_acl_t *acl); /*%< * Sets the update acl list for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'acl' to be valid acl. */ void dns_zone_setforwardacl(dns_zone_t *zone, dns_acl_t *acl); /*%< * Sets the forward unsigned updates acl list for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'acl' to be valid acl. */ void dns_zone_setxfracl(dns_zone_t *zone, dns_acl_t *acl); /*%< * Sets the transfer acl list for the zone. * * Require: *\li 'zone' to be a valid zone. *\li 'acl' to be valid acl. */ dns_acl_t * dns_zone_getnotifyacl(dns_zone_t *zone); /*%< * Returns the current notify acl or NULL. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li acl a pointer to the acl. *\li NULL */ dns_acl_t * dns_zone_getqueryacl(dns_zone_t *zone); /*%< * Returns the current query acl or NULL. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li acl a pointer to the acl. *\li NULL */ dns_acl_t * dns_zone_getqueryonacl(dns_zone_t *zone); /*%< * Returns the current query-on acl or NULL. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li acl a pointer to the acl. *\li NULL */ dns_acl_t * dns_zone_getupdateacl(dns_zone_t *zone); /*%< * Returns the current update acl or NULL. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li acl a pointer to the acl. *\li NULL */ dns_acl_t * dns_zone_getforwardacl(dns_zone_t *zone); /*%< * Returns the current forward unsigned updates acl or NULL. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li acl a pointer to the acl. *\li NULL */ dns_acl_t * dns_zone_getxfracl(dns_zone_t *zone); /*%< * Returns the current transfer acl or NULL. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li acl a pointer to the acl. *\li NULL */ void dns_zone_clearupdateacl(dns_zone_t *zone); /*%< * Clear the current update acl. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_clearforwardacl(dns_zone_t *zone); /*%< * Clear the current forward unsigned updates acl. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_clearnotifyacl(dns_zone_t *zone); /*%< * Clear the current notify acl. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_clearqueryacl(dns_zone_t *zone); /*%< * Clear the current query acl. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_clearqueryonacl(dns_zone_t *zone); /*%< * Clear the current query-on acl. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_clearxfracl(dns_zone_t *zone); /*%< * Clear the current transfer acl. * * Require: *\li 'zone' to be a valid zone. */ bool dns_zone_getupdatedisabled(dns_zone_t *zone); /*%< * Return update disabled. * Transient unless called when running in isc_task_exclusive() mode. */ void dns_zone_setupdatedisabled(dns_zone_t *zone, bool state); /*%< * Set update disabled. * Should only be called only when running in isc_task_exclusive() mode. * Failure to do so may result in updates being committed after the * call has been made. */ bool dns_zone_getzeronosoattl(dns_zone_t *zone); /*%< * Return zero-no-soa-ttl status. */ void dns_zone_setzeronosoattl(dns_zone_t *zone, bool state); /*%< * Set zero-no-soa-ttl status. */ void dns_zone_setchecknames(dns_zone_t *zone, dns_severity_t severity); /*%< * Set the severity of name checking when loading a zone. * * Require: * \li 'zone' to be a valid zone. */ dns_severity_t dns_zone_getchecknames(dns_zone_t *zone); /*%< * Return the current severity of name checking. * * Require: *\li 'zone' to be a valid zone. */ void dns_zone_setjournalsize(dns_zone_t *zone, int32_t size); /*%< * Sets the journal size for the zone. * * Requires: *\li 'zone' to be a valid zone. */ int32_t dns_zone_getjournalsize(dns_zone_t *zone); /*%< * Return the journal size as set with a previous call to * dns_zone_setjournalsize(). * * Requires: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from, isc_sockaddr_t *to, dns_message_t *msg); /*%< * Tell the zone that it has received a NOTIFY message from another * server. This may cause some zone maintenance activity to occur. * * Requires: *\li 'zone' to be a valid zone. *\li '*from' to contain the address of the server from which 'msg' * was received. *\li 'msg' a message with opcode NOTIFY and qr clear. * * Returns: *\li DNS_R_REFUSED *\li DNS_R_NOTIMP *\li DNS_R_FORMERR *\li DNS_R_SUCCESS */ void dns_zone_setmaxxfrin(dns_zone_t *zone, uint32_t maxxfrin); /*%< * Set the maximum time (in seconds) that a zone transfer in (AXFR/IXFR) * of this zone will use before being aborted. * * Requires: * \li 'zone' to be valid initialised zone. */ uint32_t dns_zone_getmaxxfrin(dns_zone_t *zone); /*%< * Returns the maximum transfer time for this zone. This will be * either the value set by the last call to dns_zone_setmaxxfrin() or * the default value of 1 hour. * * Requires: *\li 'zone' to be valid initialised zone. */ void dns_zone_setmaxxfrout(dns_zone_t *zone, uint32_t maxxfrout); /*%< * Set the maximum time (in seconds) that a zone transfer out (AXFR/IXFR) * of this zone will use before being aborted. * * Requires: * \li 'zone' to be valid initialised zone. */ uint32_t dns_zone_getmaxxfrout(dns_zone_t *zone); /*%< * Returns the maximum transfer time for this zone. This will be * either the value set by the last call to dns_zone_setmaxxfrout() or * the default value of 1 hour. * * Requires: *\li 'zone' to be valid initialised zone. */ isc_result_t dns_zone_setjournal(dns_zone_t *zone, const char *myjournal); /*%< * Sets the filename used for journaling updates / IXFR transfers. * The default journal name is set by dns_zone_setfile() to be * "file.jnl". If 'myjournal' is NULL, the zone will have no * journal name. * * Requires: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_SUCCESS *\li #ISC_R_NOMEMORY */ char * dns_zone_getjournal(dns_zone_t *zone); /*%< * Returns the journal name associated with this zone. * If no journal has been set this will be NULL. * * Requires: *\li 'zone' to be valid initialised zone. */ dns_zonetype_t dns_zone_gettype(dns_zone_t *zone); /*%< * Returns the type of the zone (master/slave/etc.) * * Requires: *\li 'zone' to be valid initialised zone. */ dns_zonetype_t dns_zone_getredirecttype(dns_zone_t *zone); /*%< * Returns whether the redirect zone is configured as a master or a * slave zone. * * Requires: *\li 'zone' to be valid initialised zone. *\li 'zone' to be a redirect zone. * * Returns: *\li 'dns_zone_primary' *\li 'dns_zone_secondary' */ void dns_zone_settask(dns_zone_t *zone, isc_task_t *task); /*%< * Give a zone a task to work with. Any current task will be detached. * * Requires: *\li 'zone' to be valid. *\li 'task' to be valid. */ void dns_zone_gettask(dns_zone_t *zone, isc_task_t **target); /*%< * Attach '*target' to the zone's task. * * Requires: *\li 'zone' to be valid initialised zone. *\li 'zone' to have a task. *\li 'target' to be != NULL && '*target' == NULL. */ void dns_zone_notify(dns_zone_t *zone); /*%< * Generate notify events for this zone. * * Requires: *\li 'zone' to be a valid zone. */ isc_result_t dns_zone_replacedb(dns_zone_t *zone, dns_db_t *db, bool dump); /*%< * Replace the database of "zone" with a new database "db". * * If "dump" is true, then the new zone contents are dumped * into to the zone's master file for persistence. When replacing * a zone database by one just loaded from a master file, set * "dump" to false to avoid a redundant redump of the data just * loaded. Otherwise, it should be set to true. * * If the "diff-on-reload" option is enabled in the configuration file, * the differences between the old and the new database are added to the * journal file, and the master file dump is postponed. * * Requires: * \li 'zone' to be a valid zone. * * Returns: * \li DNS_R_SUCCESS * \li DNS_R_BADZONE zone failed basic consistency checks: * * a single SOA must exist * * some NS records must exist. * Others */ uint32_t dns_zone_getidlein(dns_zone_t *zone); /*%< * Requires: * \li 'zone' to be a valid zone. * * Returns: * \li number of seconds of idle time before we abort the transfer in. */ void dns_zone_setidlein(dns_zone_t *zone, uint32_t idlein); /*%< * \li Set the idle timeout for transfer the. * \li Zero set the default value, 1 hour. * * Requires: * \li 'zone' to be a valid zone. */ uint32_t dns_zone_getidleout(dns_zone_t *zone); /*%< * * Requires: * \li 'zone' to be a valid zone. * * Returns: * \li number of seconds of idle time before we abort a transfer out. */ void dns_zone_setidleout(dns_zone_t *zone, uint32_t idleout); /*%< * \li Set the idle timeout for transfers out. * \li Zero set the default value, 1 hour. * * Requires: * \li 'zone' to be a valid zone. */ void dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table); /*%< * Get the simple-secure-update policy table. * * Requires: * \li 'zone' to be a valid zone. */ void dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table); /*%< * Set / clear the simple-secure-update policy table. * * Requires: * \li 'zone' to be a valid zone. */ isc_mem_t * dns_zone_getmctx(dns_zone_t *zone); /*%< * Get the memory context of a zone. * * Requires: * \li 'zone' to be a valid zone. */ dns_zonemgr_t * dns_zone_getmgr(dns_zone_t *zone); /*%< * If 'zone' is managed return the zone manager otherwise NULL. * * Requires: * \li 'zone' to be a valid zone. */ void dns_zone_setsigvalidityinterval(dns_zone_t *zone, uint32_t interval); /*%< * Set the zone's general signature validity interval. This is the length * of time for which DNSSEC signatures created as a result of dynamic * updates to secure zones will remain valid, in seconds. * * Requires: * \li 'zone' to be a valid zone. */ uint32_t dns_zone_getsigvalidityinterval(dns_zone_t *zone); /*%< * Get the zone's general signature validity interval. * * Requires: * \li 'zone' to be a valid zone. */ void dns_zone_setkeyvalidityinterval(dns_zone_t *zone, uint32_t interval); /*%< * Set the zone's DNSKEY signature validity interval. This is the length * of time for which DNSSEC signatures created for DNSKEY records * will remain valid, in seconds. * * If this value is set to zero, then the regular signature validity * interval (see dns_zone_setsigvalidityinterval(), above) is used * for all RRSIGs. However, if this value is nonzero, then it is used * as the validity interval for RRSIGs covering DNSKEY and CDNSKEY * RRsets. * * Requires: * \li 'zone' to be a valid zone. */ uint32_t dns_zone_getkeyvalidityinterval(dns_zone_t *zone); /*%< * Get the zone's DNSKEY signature validity interval. * * Requires: * \li 'zone' to be a valid zone. */ void dns_zone_setsigresigninginterval(dns_zone_t *zone, uint32_t interval); /*%< * Set the zone's RRSIG re-signing interval. A dynamic zone's RRSIG's * will be re-signed 'interval' amount of time before they expire. * * Requires: * \li 'zone' to be a valid zone. */ uint32_t dns_zone_getsigresigninginterval(dns_zone_t *zone); /*%< * Get the zone's RRSIG re-signing interval. * * Requires: * \li 'zone' to be a valid zone. */ void dns_zone_setnotifytype(dns_zone_t *zone, dns_notifytype_t notifytype); /*%< * Sets zone notify method to "notifytype" */ isc_result_t dns_zone_forwardupdate(dns_zone_t *zone, dns_message_t *msg, dns_updatecallback_t callback, void *callback_arg); /*%< * Forward 'msg' to each master in turn until we get an answer or we * have exhausted the list of primaries. 'callback' will be called with * ISC_R_SUCCESS if we get an answer and the returned message will be * passed as 'answer_message', otherwise a non ISC_R_SUCCESS result code * will be passed and answer_message will be NULL. The callback function * is responsible for destroying 'answer_message'. * (callback)(callback_arg, result, answer_message); * * Require: *\li 'zone' to be valid *\li 'msg' to be valid. *\li 'callback' to be non NULL. * Returns: *\li #ISC_R_SUCCESS if the message has been forwarded, *\li #ISC_R_NOMEMORY *\li Others */ isc_result_t dns_zone_next(dns_zone_t *zone, dns_zone_t **next); /*%< * Find the next zone in the list of managed zones. * * Requires: *\li 'zone' to be valid *\li The zone manager for the indicated zone MUST be locked * by the caller. This is not checked. *\li 'next' be non-NULL, and '*next' be NULL. * * Ensures: *\li 'next' points to a valid zone (result ISC_R_SUCCESS) or to NULL * (result ISC_R_NOMORE). */ isc_result_t dns_zone_first(dns_zonemgr_t *zmgr, dns_zone_t **first); /*%< * Find the first zone in the list of managed zones. * * Requires: *\li 'zonemgr' to be valid *\li The zone manager for the indicated zone MUST be locked * by the caller. This is not checked. *\li 'first' be non-NULL, and '*first' be NULL * * Ensures: *\li 'first' points to a valid zone (result ISC_R_SUCCESS) or to NULL * (result ISC_R_NOMORE). */ isc_result_t dns_zone_setkeydirectory(dns_zone_t *zone, const char *directory); /*%< * Sets the name of the directory where private keys used for * online signing of dynamic zones are found. * * Require: *\li 'zone' to be a valid zone. * * Returns: *\li #ISC_R_NOMEMORY *\li #ISC_R_SUCCESS */ const char * dns_zone_getkeydirectory(dns_zone_t *zone); /*%< * Gets the name of the directory where private keys used for * online signing of dynamic zones are found. * * Requires: *\li 'zone' to be valid initialised zone. * * Returns: * Pointer to null-terminated file name, or NULL. */ isc_result_t dns_zone_getdnsseckeys(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, isc_stdtime_t now, dns_dnsseckeylist_t *keys); /*% * Find DNSSEC keys used for signing with dnssec-policy. Load these keys * into 'keys'. * * Requires: *\li 'zone' to be valid initialised zone. *\li 'keys' to be an initialised DNSSEC keylist. * * Returns: *\li #ISC_R_SUCCESS *\li Error */ isc_result_t dns_zonemgr_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr, isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr, dns_zonemgr_t **zmgrp); /*%< * Create a zone manager. Note: the zone manager will not be able to * manage any zones until dns_zonemgr_setsize() has been run. * * Requires: *\li 'mctx' to be a valid memory context. *\li 'taskmgr' to be a valid task manager. *\li 'timermgr' to be a valid timer manager. *\li 'zmgrp' to point to a NULL pointer. */ isc_result_t dns_zonemgr_setsize(dns_zonemgr_t *zmgr, int num_zones); /*%< * Set the size of the zone manager task pool. This must be run * before zmgr can be used for managing zones. Currently, it can only * be run once; the task pool cannot be resized. * * Requires: *\li zmgr is a valid zone manager. *\li zmgr->zonetasks has been initialized. */ isc_result_t dns_zonemgr_createzone(dns_zonemgr_t *zmgr, dns_zone_t **zonep); /*%< * Allocate a new zone using a memory context from the * zone manager's memory context pool. * * Require: *\li 'zmgr' to be a valid zone manager. *\li 'zonep' != NULL and '*zonep' == NULL. */ isc_result_t dns_zonemgr_managezone(dns_zonemgr_t *zmgr, dns_zone_t *zone); /*%< * Bring the zone under control of a zone manager. * * Require: *\li 'zmgr' to be a valid zone manager. *\li 'zone' to be a valid zone. */ isc_result_t dns_zonemgr_forcemaint(dns_zonemgr_t *zmgr); /*%< * Force zone maintenance of all loaded zones managed by 'zmgr' * to take place at the system's earliest convenience. */ void dns__zonemgr_run(isc_task_t *task, isc_event_t *event); /*%< * Event handler to call dns_zonemgr_forcemaint(); used to start * zone operations from a unit test. Not intended for use outside * libdns or related tests. */ void dns_zonemgr_resumexfrs(dns_zonemgr_t *zmgr); /*%< * Attempt to start any stalled zone transfers. */ void dns_zonemgr_shutdown(dns_zonemgr_t *zmgr); /*%< * Shut down the zone manager. * * Requires: *\li 'zmgr' to be a valid zone manager. */ void dns_zonemgr_attach(dns_zonemgr_t *source, dns_zonemgr_t **target); /*%< * Attach '*target' to 'source' incrementing its external * reference count. * * Require: *\li 'zone' to be a valid zone. *\li 'target' to be non NULL and '*target' to be NULL. */ void dns_zonemgr_detach(dns_zonemgr_t **zmgrp); /*%< * Detach from a zone manager. * * Requires: *\li '*zmgrp' is a valid, non-NULL zone manager pointer. * * Ensures: *\li '*zmgrp' is NULL. */ void dns_zonemgr_releasezone(dns_zonemgr_t *zmgr, dns_zone_t *zone); /*%< * Release 'zone' from the managed by 'zmgr'. 'zmgr' is implicitly * detached from 'zone'. * * Requires: *\li 'zmgr' to be a valid zone manager. *\li 'zone' to be a valid zone. *\li 'zmgr' == 'zone->zmgr' * * Ensures: *\li 'zone->zmgr' == NULL; */ isc_taskmgr_t * dns_zonemgr_gettaskmgr(dns_zonemgr_t *zmgr); /*% * Get the tasmkgr object attached to 'zmgr'. */ void dns_zonemgr_settransfersin(dns_zonemgr_t *zmgr, uint32_t value); /*%< * Set the maximum number of simultaneous transfers in allowed by * the zone manager. * * Requires: *\li 'zmgr' to be a valid zone manager. */ uint32_t dns_zonemgr_getttransfersin(dns_zonemgr_t *zmgr); /*%< * Return the maximum number of simultaneous transfers in allowed. * * Requires: *\li 'zmgr' to be a valid zone manager. */ void dns_zonemgr_settransfersperns(dns_zonemgr_t *zmgr, uint32_t value); /*%< * Set the number of zone transfers allowed per nameserver. * * Requires: *\li 'zmgr' to be a valid zone manager */ uint32_t dns_zonemgr_getttransfersperns(dns_zonemgr_t *zmgr); /*%< * Return the number of transfers allowed per nameserver. * * Requires: *\li 'zmgr' to be a valid zone manager. */ void dns_zonemgr_setiolimit(dns_zonemgr_t *zmgr, uint32_t iolimit); /*%< * Set the number of simultaneous file descriptors available for * reading and writing masterfiles. * * Requires: *\li 'zmgr' to be a valid zone manager. *\li 'iolimit' to be positive. */ uint32_t dns_zonemgr_getiolimit(dns_zonemgr_t *zmgr); /*%< * Get the number of simultaneous file descriptors available for * reading and writing masterfiles. * * Requires: *\li 'zmgr' to be a valid zone manager. */ void dns_zonemgr_setcheckdsrate(dns_zonemgr_t *zmgr, unsigned int value); /*%< * Set the number of parental DS queries sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager */ void dns_zonemgr_setnotifyrate(dns_zonemgr_t *zmgr, unsigned int value); /*%< * Set the number of NOTIFY requests sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager */ void dns_zonemgr_setstartupnotifyrate(dns_zonemgr_t *zmgr, unsigned int value); /*%< * Set the number of startup NOTIFY requests sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager */ void dns_zonemgr_setserialqueryrate(dns_zonemgr_t *zmgr, unsigned int value); /*%< * Set the number of SOA queries sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager */ unsigned int dns_zonemgr_getnotifyrate(dns_zonemgr_t *zmgr); /*%< * Return the number of NOTIFY requests sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager. */ unsigned int dns_zonemgr_getstartupnotifyrate(dns_zonemgr_t *zmgr); /*%< * Return the number of startup NOTIFY requests sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager. */ unsigned int dns_zonemgr_getserialqueryrate(dns_zonemgr_t *zmgr); /*%< * Return the number of SOA queries sent per second. * * Requires: *\li 'zmgr' to be a valid zone manager. */ unsigned int dns_zonemgr_getcount(dns_zonemgr_t *zmgr, int state); /*%< * Returns the number of zones in the specified state. * * Requires: *\li 'zmgr' to be a valid zone manager. *\li 'state' to be a valid DNS_ZONESTATE_ constant. */ void dns_zonemgr_unreachableadd(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote, isc_sockaddr_t *local, isc_time_t *now); /*%< * Add the pair of addresses to the unreachable cache. * * Requires: *\li 'zmgr' to be a valid zone manager. *\li 'remote' to be a valid sockaddr. *\li 'local' to be a valid sockaddr. */ bool dns_zonemgr_unreachable(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote, isc_sockaddr_t *local, isc_time_t *now); /*%< * Returns true if the given local/remote address pair * is found in the zone maanger's unreachable cache. * * Requires: *\li 'zmgr' to be a valid zone manager. *\li 'remote' to be a valid sockaddr. *\li 'local' to be a valid sockaddr. *\li 'now' != NULL */ void dns_zonemgr_unreachabledel(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote, isc_sockaddr_t *local); /*%< * Remove the pair of addresses from the unreachable cache. * * Requires: *\li 'zmgr' to be a valid zone manager. *\li 'remote' to be a valid sockaddr. *\li 'local' to be a valid sockaddr. */ void dns_zone_forcereload(dns_zone_t *zone); /*%< * Force a reload of specified zone. * * Requires: *\li 'zone' to be a valid zone. */ bool dns_zone_isforced(dns_zone_t *zone); /*%< * Check if the zone is waiting a forced reload. * * Requires: * \li 'zone' to be a valid zone. */ isc_result_t dns_zone_setstatistics(dns_zone_t *zone, bool on); /*%< * This function is obsoleted by dns_zone_setrequeststats(). */ uint64_t * dns_zone_getstatscounters(dns_zone_t *zone); /*%< * This function is obsoleted by dns_zone_getrequeststats(). */ void dns_zone_setstats(dns_zone_t *zone, isc_stats_t *stats); /*%< * Set a general zone-maintenance statistics set 'stats' for 'zone'. This * function is expected to be called only on zone creation (when necessary). * Once installed, it cannot be removed or replaced. Also, there is no * interface to get the installed stats from the zone; the caller must keep the * stats to reference (e.g. dump) it later. * * Requires: * \li 'zone' to be a valid zone and does not have a statistics set already * installed. * *\li stats is a valid statistics supporting zone statistics counters * (see dns/stats.h). */ void dns_zone_setrequeststats(dns_zone_t *zone, isc_stats_t *stats); void dns_zone_setrcvquerystats(dns_zone_t *zone, dns_stats_t *stats); void dns_zone_setdnssecsignstats(dns_zone_t *zone, dns_stats_t *stats); /*%< * Set additional statistics sets to zone. These are attached to the zone * but are not counted in the zone module; only the caller updates the * counters. * * Requires: * \li 'zone' to be a valid zone. * *\li stats is a valid statistics. */ isc_stats_t * dns_zone_getrequeststats(dns_zone_t *zone); dns_stats_t * dns_zone_getrcvquerystats(dns_zone_t *zone); dns_stats_t * dns_zone_getdnssecsignstats(dns_zone_t *zone); /*%< * Get the additional statistics for zone, if one is installed. * * Requires: * \li 'zone' to be a valid zone. * * Returns: * \li when available, a pointer to the statistics set installed in zone; * otherwise NULL. */ void dns_zone_dialup(dns_zone_t *zone); /*%< * Perform dialup-time maintenance on 'zone'. */ void dns_zone_setdialup(dns_zone_t *zone, dns_dialuptype_t dialup); /*%< * Set the dialup type of 'zone' to 'dialup'. * * Requires: * \li 'zone' to be valid initialised zone. *\li 'dialup' to be a valid dialup type. */ void dns_zone_logv(dns_zone_t *zone, isc_logcategory_t *category, int level, const char *prefix, const char *msg, va_list ap); /*%< * Log the message 'msg...' at 'level' using log category 'category', including * text that identifies the message as applying to 'zone'. If the (optional) * 'prefix' is not NULL, it will be placed at the start of the entire log line. */ void dns_zone_log(dns_zone_t *zone, int level, const char *msg, ...) ISC_FORMAT_PRINTF(3, 4); /*%< * Log the message 'msg...' at 'level', including text that identifies * the message as applying to 'zone'. */ void dns_zone_logc(dns_zone_t *zone, isc_logcategory_t *category, int level, const char *msg, ...) ISC_FORMAT_PRINTF(4, 5); /*%< * Log the message 'msg...' at 'level', including text that identifies * the message as applying to 'zone'. */ void dns_zone_name(dns_zone_t *zone, char *buf, size_t len); /*%< * Return the name of the zone with class and view. * * Requires: *\li 'zone' to be valid. *\li 'buf' to be non NULL. */ void dns_zone_nameonly(dns_zone_t *zone, char *buf, size_t len); /*%< * Return the name of the zone only. * * Requires: *\li 'zone' to be valid. *\li 'buf' to be non NULL. */ isc_result_t dns_zone_checknames(dns_zone_t *zone, const dns_name_t *name, dns_rdata_t *rdata); /*%< * Check if this record meets the check-names policy. * * Requires: * 'zone' to be valid. * 'name' to be valid. * 'rdata' to be valid. * * Returns: * DNS_R_SUCCESS passed checks. * DNS_R_BADOWNERNAME failed ownername checks. * DNS_R_BADNAME failed rdata checks. */ void dns_zone_setcheckmx(dns_zone_t *zone, dns_checkmxfunc_t checkmx); /*%< * Set the post load integrity callback function 'checkmx'. * 'checkmx' will be called if the MX TARGET is not within the zone. * * Require: * 'zone' to be a valid zone. */ void dns_zone_setchecksrv(dns_zone_t *zone, dns_checkmxfunc_t checksrv); /*%< * Set the post load integrity callback function 'checksrv'. * 'checksrv' will be called if the SRV TARGET is not within the zone. * * Require: * 'zone' to be a valid zone. */ void dns_zone_setcheckns(dns_zone_t *zone, dns_checknsfunc_t checkns); /*%< * Set the post load integrity callback function 'checkns'. * 'checkns' will be called if the NS TARGET is not within the zone. * * Require: * 'zone' to be a valid zone. */ void dns_zone_setnotifydelay(dns_zone_t *zone, uint32_t delay); /*%< * Set the minimum delay between sets of notify messages. * * Requires: * 'zone' to be valid. */ uint32_t dns_zone_getnotifydelay(dns_zone_t *zone); /*%< * Get the minimum delay between sets of notify messages. * * Requires: * 'zone' to be valid. */ void dns_zone_setisself(dns_zone_t *zone, dns_isselffunc_t isself, void *arg); /*%< * Set the isself callback function and argument. * * bool * isself(dns_view_t *myview, dns_tsigkey_t *mykey, * const isc_netaddr_t *srcaddr, const isc_netaddr_t *destaddr, * dns_rdataclass_t rdclass, void *arg); * * 'isself' returns true if a non-recursive query from 'srcaddr' to * 'destaddr' with optional key 'mykey' for class 'rdclass' would be * delivered to 'myview'. */ void dns_zone_setnodes(dns_zone_t *zone, uint32_t nodes); /*%< * Set the number of nodes that will be checked per quantum. */ void dns_zone_setsignatures(dns_zone_t *zone, uint32_t signatures); /*%< * Set the number of signatures that will be generated per quantum. */ uint32_t dns_zone_getsignatures(dns_zone_t *zone); /*%< * Get the number of signatures that will be generated per quantum. */ isc_result_t dns_zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm, uint16_t keyid, bool deleteit); /*%< * Initiate/resume signing of the entire zone with the zone DNSKEY(s) * that match the given algorithm and keyid. */ isc_result_t dns_zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param); /*%< * Incrementally add a NSEC3 chain that corresponds to 'nsec3param'. */ void dns_zone_setprivatetype(dns_zone_t *zone, dns_rdatatype_t type); dns_rdatatype_t dns_zone_getprivatetype(dns_zone_t *zone); /* * Get/Set the private record type. It is expected that these interfaces * will not be permanent. */ void dns_zone_rekey(dns_zone_t *zone, bool fullsign); /*%< * Update the zone's DNSKEY set from the key repository. * * If 'fullsign' is true, trigger an immediate full signing of * the zone with the new key. Otherwise, if there are no keys or * if the new keys are for algorithms that have already signed the * zone, then the zone can be re-signed incrementally. */ isc_result_t dns_zone_nscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version, unsigned int *errors); /*% * Check if the name servers for the zone are sane (have address, don't * refer to CNAMEs/DNAMEs. The number of constiancy errors detected in * returned in '*errors' * * Requires: * \li 'zone' to be valid. * \li 'db' to be valid. * \li 'version' to be valid or NULL. * \li 'errors' to be non NULL. * * Returns: * ISC_R_SUCCESS if there were no errors examining the zone contents. */ isc_result_t dns_zone_cdscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version); /*% * Check if CSD, CDNSKEY and DNSKEY are consistent. * * Requires: * \li 'zone' to be valid. * \li 'db' to be valid. * \li 'version' to be valid or NULL. * * Returns: *\li #ISC_R_SUCCESS *\li #DNS_R_BADCDS *\li #DNS_R_BADCDNSKEY * Others */ void dns_zone_setadded(dns_zone_t *zone, bool added); /*% * Sets the value of zone->added, which should be true for * zones that were originally added by "rndc addzone". * * Requires: * \li 'zone' to be valid. */ bool dns_zone_getadded(dns_zone_t *zone); /*% * Returns true if the zone was originally added at runtime * using "rndc addzone". * * Requires: * \li 'zone' to be valid. */ void dns_zone_setautomatic(dns_zone_t *zone, bool automatic); /*% * Sets the value of zone->automatic, which should be true for * zones that were automatically added by named. * * Requires: * \li 'zone' to be valid. */ bool dns_zone_getautomatic(dns_zone_t *zone); /*% * Returns true if the zone was added automatically by named. * * Requires: * \li 'zone' to be valid. */ isc_result_t dns_zone_dlzpostload(dns_zone_t *zone, dns_db_t *db); /*% * Load the origin names for a writeable DLZ database. */ bool dns_zone_isdynamic(dns_zone_t *zone, bool ignore_freeze); /*% * Return true iff the zone is "dynamic", in the sense that the zone's * master file (if any) is written by the server, rather than being * updated manually and read by the server. * * This is true for slave zones, stub zones, key zones, and zones that * allow dynamic updates either by having an update policy ("ssutable") * or an "allow-update" ACL with a value other than exactly "{ none; }". * * If 'ignore_freeze' is true, then the zone which has had updates disabled * will still report itself to be dynamic. * * Requires: * \li 'zone' to be valid. */ isc_result_t dns_zone_setrefreshkeyinterval(dns_zone_t *zone, uint32_t interval); /*% * Sets the frequency, in minutes, with which the key repository will be * checked to see if the keys for this zone have been updated. Any value * higher than 1440 minutes (24 hours) will be silently reduced. A * value of zero will return an out-of-range error. * * Requires: * \li 'zone' to be valid. */ bool dns_zone_getrequestexpire(dns_zone_t *zone); /*% * Returns the true/false value of the request-expire option in the zone. * * Requires: * \li 'zone' to be valid. */ void dns_zone_setrequestexpire(dns_zone_t *zone, bool flag); /*% * Sets the request-expire option for the zone. Either true or false. The * default value is determined by the setting of this option in the view. * * Requires: * \li 'zone' to be valid. */ bool dns_zone_getrequestixfr(dns_zone_t *zone); /*% * Returns the true/false value of the request-ixfr option in the zone. * * Requires: * \li 'zone' to be valid. */ void dns_zone_setrequestixfr(dns_zone_t *zone, bool flag); /*% * Sets the request-ixfr option for the zone. Either true or false. The * default value is determined by the setting of this option in the view. * * Requires: * \li 'zone' to be valid. */ uint32_t dns_zone_getixfrratio(dns_zone_t *zone); /*% * Returns the zone's current IXFR ratio. * * Requires: * \li 'zone' to be valid. */ void dns_zone_setixfrratio(dns_zone_t *zone, uint32_t ratio); /*% * Sets the ratio of IXFR size to zone size above which we use an AXFR * response, expressed as a percentage. Cannot exceed 100. * * Requires: * \li 'zone' to be valid. */ void dns_zone_setserialupdatemethod(dns_zone_t *zone, dns_updatemethod_t method); /*% * Sets the update method to use when incrementing the zone serial number * due to a DDNS update. Valid options are dns_updatemethod_increment * and dns_updatemethod_unixtime. * * Requires: * \li 'zone' to be valid. */ dns_updatemethod_t dns_zone_getserialupdatemethod(dns_zone_t *zone); /*% * Returns the update method to be used when incrementing the zone serial * number due to a DDNS update. * * Requires: * \li 'zone' to be valid. */ isc_result_t dns_zone_link(dns_zone_t *zone, dns_zone_t *raw); void dns_zone_getraw(dns_zone_t *zone, dns_zone_t **raw); isc_result_t dns_zone_keydone(dns_zone_t *zone, const char *data); isc_result_t dns_zone_setnsec3param(dns_zone_t *zone, uint8_t hash, uint8_t flags, uint16_t iter, uint8_t saltlen, unsigned char *salt, bool replace, bool resalt); /*% * Set the NSEC3 parameters for the zone. * * If 'replace' is true, then the existing NSEC3 chain, if any, will * be replaced with the new one. If 'hash' is zero, then the replacement * chain will be NSEC rather than NSEC3. If 'resalt' is true, or if 'salt' * is NULL, generate a new salt with the given salt length. * * Requires: * \li 'zone' to be valid. */ void dns_zone_setrawdata(dns_zone_t *zone, dns_masterrawheader_t *header); /*% * Set the data to be included in the header when the zone is dumped in * binary format. */ isc_result_t dns_zone_synckeyzone(dns_zone_t *zone); /*% * Force the managed key zone to synchronize, and start the key * maintenance timer. */ isc_result_t dns_zone_getloadtime(dns_zone_t *zone, isc_time_t *loadtime); /*% * Return the time when the zone was last loaded. */ isc_result_t dns_zone_getrefreshtime(dns_zone_t *zone, isc_time_t *refreshtime); /*% * Return the time when the (slave) zone will need to be refreshed. */ isc_result_t dns_zone_getexpiretime(dns_zone_t *zone, isc_time_t *expiretime); /*% * Return the time when the (slave) zone will expire. */ isc_result_t dns_zone_getrefreshkeytime(dns_zone_t *zone, isc_time_t *refreshkeytime); /*% * Return the time of the next scheduled DNSSEC key event. */ unsigned int dns_zone_getincludes(dns_zone_t *zone, char ***includesp); /*% * Return the number include files that were encountered * during load. If the number is greater than zero, 'includesp' * will point to an array containing the filenames. * * The array and its contents need to be freed using isc_mem_free. */ isc_result_t dns_zone_rpz_enable(dns_zone_t *zone, dns_rpz_zones_t *rpzs, dns_rpz_num_t rpz_num); /*% * Set the response policy associated with a zone. */ void dns_zone_rpz_enable_db(dns_zone_t *zone, dns_db_t *db); /*% * If a zone is a response policy zone, mark its new database. */ dns_rpz_num_t dns_zone_get_rpz_num(dns_zone_t *zone); void dns_zone_catz_enable(dns_zone_t *zone, dns_catz_zones_t *catzs); /*%< * Enable zone as catalog zone. * * Requires: * * \li 'zone' is a valid zone object * \li 'catzs' is not NULL * \li prior to calling, zone->catzs is NULL or is equal to 'catzs' */ void dns_zone_catz_enable_db(dns_zone_t *zone, dns_db_t *db); /*%< * If 'zone' is a catalog zone, then set up a notify-on-update trigger * in its database. (If not a catalog zone, this function has no effect.) * * Requires: * * \li 'zone' is a valid zone object * \li 'db' is not NULL */ void dns_zone_set_parentcatz(dns_zone_t *zone, dns_catz_zone_t *catz); /*%< * Set parent catalog zone for this zone * * Requires: * * \li 'zone' is a valid zone object * \li 'catz' is not NULL */ dns_catz_zone_t * dns_zone_get_parentcatz(const dns_zone_t *zone); /*%< * Get parent catalog zone for this zone * * Requires: * * \li 'zone' is a valid zone object */ void dns_zone_setstatlevel(dns_zone_t *zone, dns_zonestat_level_t level); dns_zonestat_level_t dns_zone_getstatlevel(dns_zone_t *zone); /*% * Set and get the statistics reporting level for the zone; * full, terse, or none. */ isc_result_t dns_zone_setserial(dns_zone_t *zone, uint32_t serial); /*% * Set the zone's serial to 'serial'. */ ISC_LANG_ENDDECLS isc_stats_t * dns_zone_getgluecachestats(dns_zone_t *zone); /*%< * Get the glue cache statistics for zone. * * Requires: * \li 'zone' to be a valid zone. * * Returns: * \li if present, a pointer to the statistics set installed in zone; * otherwise NULL. */ bool dns_zone_isloaded(dns_zone_t *zone); /*%< * Return true if 'zone' was loaded and has not expired yet, return * false otherwise. */ isc_result_t dns_zone_verifydb(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver); /*%< * If 'zone' is a mirror zone, perform DNSSEC validation of version 'ver' of * its database, 'db'. Ensure that the DNSKEY RRset at zone apex is signed by * at least one trust anchor specified for the view that 'zone' is assigned to. * If 'ver' is NULL, use the current version of 'db'. * * If 'zone' is not a mirror zone, return ISC_R_SUCCESS immediately. * * Returns: * * \li #ISC_R_SUCCESS either 'zone' is not a mirror zone or 'zone' is * a mirror zone and all DNSSEC checks succeeded * and the DNSKEY RRset at zone apex is signed by * a trusted key * * \li #DNS_R_VERIFYFAILURE any other case */ const char * dns_zonetype_name(dns_zonetype_t type); /*%< * Return the name of the zone type 'type'. */ #endif /* DNS_ZONE_H */
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