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- /*
- * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1999-2003 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
- /* $Id: zone.h,v 1.126.18.19 2006/08/01 03:45:21 marka Exp $ */
-
- #ifndef DNS_ZONE_H
- #define DNS_ZONE_H 1
-
- /*! \file */
-
- /***
- *** Imports
- ***/
-
- #include <stdio.h>
-
- #include <isc/formatcheck.h>
- #include <isc/lang.h>
- #include <isc/rwlock.h>
-
- #include <dns/masterdump.h>
- #include <dns/types.h>
-
- typedef enum {
- dns_zone_none,
- dns_zone_master,
- dns_zone_slave,
- dns_zone_stub
- } dns_zonetype_t;
-
- #define DNS_ZONEOPT_SERVERS 0x00000001U /*%< perform server checks */
- #define DNS_ZONEOPT_PARENTS 0x00000002U /*%< perform parent checks */
- #define DNS_ZONEOPT_CHILDREN 0x00000004U /*%< perform child checks */
- #define DNS_ZONEOPT_NOTIFY 0x00000008U /*%< perform NOTIFY */
- #define DNS_ZONEOPT_MANYERRORS 0x00000010U /*%< return many errors on load */
- #define DNS_ZONEOPT_IXFRFROMDIFFS 0x00000020U /*%< calculate differences */
- #define DNS_ZONEOPT_NOMERGE 0x00000040U /*%< don't merge journal */
- #define DNS_ZONEOPT_CHECKNS 0x00000080U /*%< check if NS's are addresses */
- #define DNS_ZONEOPT_FATALNS 0x00000100U /*%< DNS_ZONEOPT_CHECKNS is fatal */
- #define DNS_ZONEOPT_MULTIMASTER 0x00000200U /*%< this zone has multiple masters */
- #define DNS_ZONEOPT_USEALTXFRSRC 0x00000400U /*%< use alternate transfer sources */
- #define DNS_ZONEOPT_CHECKNAMES 0x00000800U /*%< check-names */
- #define DNS_ZONEOPT_CHECKNAMESFAIL 0x00001000U /*%< fatal check-name failures */
- #define DNS_ZONEOPT_CHECKWILDCARD 0x00002000U /*%< check for internal wildcards */
- #define DNS_ZONEOPT_CHECKMX 0x00004000U /*%< check-mx */
- #define DNS_ZONEOPT_CHECKMXFAIL 0x00008000U /*%< fatal check-mx failures */
- #define DNS_ZONEOPT_CHECKINTEGRITY 0x00010000U /*%< perform integrity checks */
- #define DNS_ZONEOPT_CHECKSIBLING 0x00020000U /*%< perform sibling glue checks */
- #define DNS_ZONEOPT_NOCHECKNS 0x00040000U /*%< disable IN NS address checks */
- #define DNS_ZONEOPT_WARNMXCNAME 0x00080000U /*%< warn on MX CNAME check */
- #define DNS_ZONEOPT_IGNOREMXCNAME 0x00100000U /*%< ignore MX CNAME check */
- #define DNS_ZONEOPT_WARNSRVCNAME 0x00200000U /*%< warn on SRV CNAME check */
- #define DNS_ZONEOPT_IGNORESRVCNAME 0x00400000U /*%< ignore SRV CNAME check */
- #define DNS_ZONEOPT_UPDATECHECKKSK 0x00800000U /*%< check dnskey KSK flag */
-
- #ifndef NOMINUM_PUBLIC
- /*
- * Nominum specific options build down.
- */
- #define DNS_ZONEOPT_NOTIFYFORWARD 0x80000000U /* forward notify to master */
- #endif /* NOMINUM_PUBLIC */
-
- #ifndef DNS_ZONE_MINREFRESH
- #define DNS_ZONE_MINREFRESH 300 /*%< 5 minutes */
- #endif
- #ifndef DNS_ZONE_MAXREFRESH
- #define DNS_ZONE_MAXREFRESH 2419200 /*%< 4 weeks */
- #endif
- #ifndef DNS_ZONE_DEFAULTREFRESH
- #define DNS_ZONE_DEFAULTREFRESH 3600 /*%< 1 hour */
- #endif
- #ifndef DNS_ZONE_MINRETRY
- #define DNS_ZONE_MINRETRY 300 /*%< 5 minutes */
- #endif
- #ifndef DNS_ZONE_MAXRETRY
- #define DNS_ZONE_MAXRETRY 1209600 /*%< 2 weeks */
- #endif
- #ifndef DNS_ZONE_DEFAULTRETRY
- #define DNS_ZONE_DEFAULTRETRY 60 /*%< 1 minute, subject to
- exponential backoff */
- #endif
-
- #define DNS_ZONESTATE_XFERRUNNING 1
- #define DNS_ZONESTATE_XFERDEFERRED 2
- #define DNS_ZONESTATE_SOAQUERY 3
- #define DNS_ZONESTATE_ANY 4
-
- 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
- */
-
- 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.
- */
-
- 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.
- */
-
- 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);
-
- isc_result_t
- dns_zone_setfile2(dns_zone_t *zone, const char *file,
- dns_masterformat_t format);
- /*%<
- * 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.
- *
- * dns_zone_setfile() is a backward-compatible form of
- * dns_zone_setfile2(), which always specifies the
- * dns_masterformat_text (RFC1035) format.
- *
- * 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.
- */
-
- isc_result_t
- dns_zone_load(dns_zone_t *zone);
-
- isc_result_t
- dns_zone_loadnew(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.
- *
- * dns_zone_loadnew() only loads zones that are not yet loaded.
- * dns_zone_load() also loads zones that are already loaded and
- * and whose master file has changed since the last load.
- *
- * 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().
- */
-
- 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.
- */
-
- void
- dns_zone_setflag(dns_zone_t *zone, unsigned int flags, isc_boolean_t value);
- /*%<
- * Sets ('value' == 'ISC_TRUE') / clears ('value' == 'IS_FALSE')
- * zone flags. Valid flag bits are DNS_ZONE_F_*.
- *
- * Requires
- *\li 'zone' to be 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
- */
-
- isc_result_t
- 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
- *
- * Returns:
- *\li #ISC_R_NOMEMORY
- *\li #ISC_R_SUCCESS
- */
-
- 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 uncommited 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);
-
- isc_result_t
- dns_zone_dumptostream2(dns_zone_t *zone, FILE *fd, dns_masterformat_t format,
- const dns_master_style_t *style);
- /*%<
- * 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.
- *
- * Note that dns_zone_dumptostream2() 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.
- */
-
- isc_result_t
- dns_zone_fulldumptostream(dns_zone_t *zone, FILE *fd);
- /*%<
- * The same as dns_zone_dumptostream, but dumps the zone with
- * different dump settings (dns_master_style_full).
- *
- * 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 maintenace 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_setmasters(dns_zone_t *zone, const isc_sockaddr_t *masters,
- isc_uint32_t count);
- isc_result_t
- dns_zone_setmasterswithkeys(dns_zone_t *zone,
- const isc_sockaddr_t *masters,
- dns_name_t **keynames,
- isc_uint32_t count);
- /*%<
- * Set the list of master servers for the zone.
- *
- * Require:
- *\li 'zone' to be a valid zone.
- *\li 'masters' array of isc_sockaddr_t with port set or NULL.
- *\li 'count' the number of masters.
- *\li 'keynames' array of dns_name_t's for tsig keys or NULL.
- *
- * \li dns_zone_setmasters() is just a wrapper to setmasterswithkeys(),
- * passing NULL in the keynames field.
- *
- * \li If 'masters' 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,
- isc_uint32_t count);
- /*%<
- * Set the list of additional servers to be notified when
- * a zone changes. To clear the list use 'count = 0'.
- *
- * Require:
- *\li 'zone' to be a valid zone.
- *\li 'notify' to be non-NULL if count != 0.
- *\li 'count' to be the number of notifyees.
- *
- * 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.
- */
-
- void
- dns_zone_setoption(dns_zone_t *zone, unsigned int option, isc_boolean_t value);
- /*%<
- * Set given options on ('value' == ISC_TRUE) or off ('value' ==
- * #ISC_FALSE).
- *
- * Require:
- *\li 'zone' to be a valid zone.
- */
-
- unsigned int
- dns_zone_getoptions(dns_zone_t *zone);
- /*%<
- * Returns the current zone options.
- *
- * Require:
- *\li 'zone' to be a valid zone.
- */
-
- void
- dns_zone_setminrefreshtime(dns_zone_t *zone, isc_uint32_t val);
- /*%<
- * Set the minimum refresh time.
- *
- * Requires:
- *\li 'zone' is valid.
- *\li val > 0.
- */
-
- void
- dns_zone_setmaxrefreshtime(dns_zone_t *zone, isc_uint32_t val);
- /*%<
- * Set the maximum refresh time.
- *
- * Requires:
- *\li 'zone' is valid.
- *\li val > 0.
- */
-
- void
- dns_zone_setminretrytime(dns_zone_t *zone, isc_uint32_t val);
- /*%<
- * Set the minimum retry time.
- *
- * Requires:
- *\li 'zone' is valid.
- *\li val > 0.
- */
-
- void
- dns_zone_setmaxretrytime(dns_zone_t *zone, isc_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_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_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_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.
- */
-
- 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_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_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_clearxfracl(dns_zone_t *zone);
- /*%<
- * Clear the current transfer acl.
- *
- * Require:
- *\li 'zone' to be a valid zone.
- */
-
- isc_boolean_t
- dns_zone_getupdatedisabled(dns_zone_t *zone);
- /*%<
- * Return update disabled.
- */
-
- void
- dns_zone_setupdatedisabled(dns_zone_t *zone, isc_boolean_t state);
- /*%<
- * Set update disabled.
- */
-
- isc_boolean_t
- dns_zone_getzeronosoattl(dns_zone_t *zone);
- /*%<
- * Return zero-no-soa-ttl status.
- */
-
- void
- dns_zone_setzeronosoattl(dns_zone_t *zone, isc_boolean_t 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, isc_int32_t size);
- /*%<
- * Sets the journal size for the zone.
- *
- * Requires:
- *\li 'zone' to be a valid zone.
- */
-
- isc_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,
- dns_message_t *msg);
- /*%<
- * Tell the zone that it has recieved a NOTIFY message from another
- * server. This may cause some zone maintainence activity to occur.
- *
- * Requires:
- *\li 'zone' to be a valid zone.
- *\li '*from' to contain the address of the server from which 'msg'
- * was recieved.
- *\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, isc_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.
- */
-
- isc_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, isc_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.
- */
-
- isc_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 *journal);
- /*%<
- * Sets the filename used for journaling updates / IXFR transfers.
- * The default journal name is set by dns_zone_setfile() to be
- * "file.jnl". If 'journal' 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.
- */
-
- 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, isc_boolean_t dump);
- /*%<
- * Replace the database of "zone" with a new database "db".
- *
- * If "dump" is ISC_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 ISC_FALSE to avoid a redunant redump of the data just
- * loaded. Otherwise, it should be set to ISC_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 consistancy checks:
- * * a single SOA must exist
- * * some NS records must exist.
- * Others
- */
-
- isc_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, isc_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.
- */
-
- isc_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, isc_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, isc_uint32_t interval);
- /*%<
- * Set the zone's SIG 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.
- */
-
- isc_uint32_t
- dns_zone_getsigvalidityinterval(dns_zone_t *zone);
- /*%<
- * Get the zone's SIG validity 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 exausted the list of masters. '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_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.
- *
- * 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_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 zones managed by 'zmgr' at its
- * earliest conveniene.
- */
-
- 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;
- */
-
- void
- dns_zonemgr_settransfersin(dns_zonemgr_t *zmgr, isc_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.
- */
-
- isc_uint32_t
- dns_zonemgr_getttransfersin(dns_zonemgr_t *zmgr);
- /*%<
- * Return the 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, isc_uint32_t value);
- /*%<
- * Set the number of zone transfers allowed per nameserver.
- *
- * Requires:
- *\li 'zmgr' to be a valid zone manager
- */
-
- isc_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, isc_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.
- */
-
- isc_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_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_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_zone_forcereload(dns_zone_t *zone);
- /*%<
- * Force a reload of specified zone.
- *
- * Requires:
- *\li 'zone' to be a valid zone.
- */
-
- isc_boolean_t
- 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, isc_boolean_t on);
- /*%<
- * Make the zone keep or not keep an array of statistics
- * counter.
- *
- * Requires:
- * \li zone be a valid zone.
- */
-
- isc_uint64_t *
- dns_zone_getstatscounters(dns_zone_t *zone);
- /*%<
- * Requires:
- * zone be a valid zone.
- *
- * Returns:
- * \li A pointer to the zone's array of statistics counters,
- * or NULL if it has none.
- */
-
- 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_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.
- */
-
- isc_result_t
- dns_zone_checknames(dns_zone_t *zone, 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_setacache(dns_zone_t *zone, dns_acache_t *acache);
- /*
- * Associate the zone with an additional cache.
- *
- * Require:
- * 'zone' to be a valid zone.
- * 'acache' to be a non NULL pointer.
- *
- * Ensures:
- * 'zone' will have a reference to 'acache'
- */
-
- 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 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 'checkmx'.
- * 'checkmx' will be called if the MX is not within the zone.
- *
- * Require:
- * 'zone' to be a valid zone.
- */
-
- void
- dns_zone_setnotifydelay(dns_zone_t *zone, isc_uint32_t delay);
- /*
- * Set the minimum delay between sets of notify messages.
- *
- * Requires:
- * 'zone' to be valid.
- */
-
- isc_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.
- *
- * isc_boolean_t
- * isself(dns_view_t *myview, dns_tsigkey_t *mykey, isc_netaddr_t *srcaddr,
- * isc_netaddr_t *destaddr, dns_rdataclass_t rdclass, void *arg);
- *
- * 'isself' returns ISC_TRUE if a non-recursive query from 'srcaddr' to
- * 'destaddr' with optional key 'mykey' for class 'rdclass' would be
- * delivered to 'myview'.
- */
-
- ISC_LANG_ENDDECLS
-
- #endif /* DNS_ZONE_H */
-