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This commit converts the license handling to adhere to the REUSE specification. It specifically: 1. Adds used licnses to LICENSES/ directory 2. Add "isc" template for adding the copyright boilerplate 3. Changes all source files to include copyright and SPDX license header, this includes all the C sources, documentation, zone files, configuration files. There are notes in the doc/dev/copyrights file on how to add correct headers to the new files. 4. Handle the rest that can't be modified via .reuse/dep5 file. The binary (or otherwise unmodifiable) files could have license places next to them in <foo>.license file, but this would lead to cluttered repository and most of the files handled in the .reuse/dep5 file are system test files.
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92 lines
3.8 KiB
ReStructuredText
.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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..
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.. SPDX-License-Identifier: MPL-2.0
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..
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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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..
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.. See the COPYRIGHT file distributed with this work for additional
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.. information regarding copyright ownership.
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.. highlight: console
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tsig-keygen, ddns-confgen - TSIG key generation tool
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----------------------------------------------------
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Synopsis
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~~~~~~~~
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:program:`tsig-keygen` [**-a** algorithm] [**-h**] [**-r** randomfile] [name]
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:program:`ddns-confgen` [**-a** algorithm] [**-h**] [**-k** keyname] [**-q**] [**-r** randomfile] [**-s** name] [**-z** zone]
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Description
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~~~~~~~~~~~
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``tsig-keygen`` and ``ddns-confgen`` are invocation methods for a
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utility that generates keys for use in TSIG signing. The resulting keys
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can be used, for example, to secure dynamic DNS updates to a zone, or for
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the ``rndc`` command channel.
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When run as ``tsig-keygen``, a domain name can be specified on the
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command line to be used as the name of the generated key. If no
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name is specified, the default is ``tsig-key``.
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When run as ``ddns-confgen``, the key name can specified using ``-k``
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parameter and defaults to ``ddns-key``. The generated key is accompanied
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by configuration text and instructions that can be used with ``nsupdate``
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and ``named`` when setting up dynamic DNS, including an example
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``update-policy`` statement. (This usage is similar to the ``rndc-confgen``
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command for setting up command-channel security.)
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Note that ``named`` itself can configure a local DDNS key for use with
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``nsupdate -l``; it does this when a zone is configured with
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``update-policy local;``. ``ddns-confgen`` is only needed when a more
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elaborate configuration is required: for instance, if ``nsupdate`` is to
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be used from a remote system.
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Options
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~~~~~~~
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``-a algorithm``
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This option specifies the algorithm to use for the TSIG key. Available
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choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, hmac-sha384,
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and hmac-sha512. The default is hmac-sha256. Options are
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case-insensitive, and the "hmac-" prefix may be omitted.
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``-h``
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This option prints a short summary of options and arguments.
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``-k keyname``
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This option specifies the key name of the DDNS authentication key. The
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default is ``ddns-key`` when neither the ``-s`` nor ``-z`` option is
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specified; otherwise, the default is ``ddns-key`` as a separate label
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followed by the argument of the option, e.g., ``ddns-key.example.com.``
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The key name must have the format of a valid domain name, consisting of
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letters, digits, hyphens, and periods.
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``-q`` (``ddns-confgen`` only)
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This option enables quiet mode, which prints only the key, with no
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explanatory text or usage examples. This is essentially identical to
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``tsig-keygen``.
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``-s name`` (``ddns-confgen`` only)
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This option generates a configuration example to allow dynamic updates
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of a single hostname. The example ``named.conf`` text shows how to set
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an update policy for the specified name using the "name" nametype. The
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default key name is ``ddns-key.name``. Note that the "self" nametype
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cannot be used, since the name to be updated may differ from the key
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name. This option cannot be used with the ``-z`` option.
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``-z zone`` (``ddns-confgen`` only)
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This option generates a configuration example to allow
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dynamic updates of a zone. The example ``named.conf`` text shows how
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to set an update policy for the specified zone using the "zonesub"
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nametype, allowing updates to all subdomain names within that zone.
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This option cannot be used with the ``-s`` option.
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See Also
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~~~~~~~~
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:manpage:`nsupdate(1)`, :manpage:`named.conf(5)`, :manpage:`named(8)`, BIND 9 Administrator Reference Manual.
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