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88 lines
3.4 KiB
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88 lines
3.4 KiB
Plaintext
<!--
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Copyright Internet Systems Consortium, Inc. ("ISC")
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, you can obtain one at https://mozilla.org/MPL/2.0/.
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Copyright (C) Stichting NLnet, Netherlands, stichting@nlnet.nl.
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The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
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conceived and contributed by Rob Butler.
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SPDX-License-Identifier: ISC and MPL-2.0
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Permission to use, copy, modify, and distribute this software for any purpose
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with or without fee is hereby granted, provided that the above copyright
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notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND STICHTING NLNET DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL STICHTING NLNET BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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-->
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BIND 9 DLZ MySQL module with support for dynamic DNS (DDNS)
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Adapted from code contributed by Marty Lee, Maui Systems Ltd.
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This is a dynamically loadable zone (DLZ) plugin that uses a fixed-
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schema MySQL database for back-end storage. It allows zone data
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to be updated via dynamic DNS updates, and sends DNS NOTIFY packets
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to other name servers when appropriate.
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The database for this module uses the following schema:
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CREATE TABLE `Zones` (
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`id` int(11) NOT NULL AUTO_INCREMENT,
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`domain` varchar(128) NOT NULL DEFAULT '',
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`host` varchar(128) NOT NULL DEFAULT '',
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`admin` varchar(128) NOT NULL DEFAULT '',
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`serial` int(11) NOT NULL DEFAULT '1',
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`expire` int(11) NOT NULL DEFAULT '86400',
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`refresh` int(11) NOT NULL DEFAULT '86400',
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`retry` int(11) NOT NULL DEFAULT '86400',
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`minimum` int(11) NOT NULL DEFAULT '86400',
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`ttl` int(11) NOT NULL DEFAULT '86400',
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`writeable` tinyint(1) NOT NULL DEFAULT '0',
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PRIMARY KEY (`id`),
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KEY `domain_idx` (`domain`)
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);
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CREATE TABLE `ZoneData` (
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`id` int(11) NOT NULL AUTO_INCREMENT,
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`zone_id` int(11) NOT NULL,
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`name` varchar(128) NOT NULL DEFAULT '',
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`type` varchar(16) NOT NULL DEFAULT '',
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`ttl` int(11) NOT NULL DEFAULT '86400',
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`data` varchar(128) NOT NULL DEFAULT '',
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PRIMARY KEY (`id`),
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KEY `zone_idx` (`zone_id`),
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KEY `name_idx` (`zone_id`, `name`),
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KEY `type_idx` (`type`)
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);
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'Zones' contains information about specific zones:
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- domain: the zone name
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- admin: the zone administrator
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- serial, expire, reresh, retry, minimum: values in the SOA record
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- ttl: default zone TTL
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- writeable: set to true if the zone can be updated via DDNS
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'ZoneData' contains the individual records within the zone:
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- zone_id: the 'id' from the corresponding record in Zones
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- name: domain name, relative to the zone apex. (Data at the zone
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apex itself may use a blank name or "@".)
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- type: the RR type, expressed as text
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- ttl: the record's TTL
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- data: the records rdata, expressed as text.
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To configure this module in named.conf:
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dlz "mysqldlz" {
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database "dlopen <path to>/dlz_mysqldyn_mod.so <dbname> [dbhost [dbuser [dbpass]]]";
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};
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