From 45d6379135504814ab723b57f0eb8be23393a51d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 09:24:22 +0200
Subject: Adding upstream version 1:9.16.44.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 contrib/dlz/modules/bdbhpt/README.md | 113 +++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 contrib/dlz/modules/bdbhpt/README.md

(limited to 'contrib/dlz/modules/bdbhpt/README.md')

diff --git a/contrib/dlz/modules/bdbhpt/README.md b/contrib/dlz/modules/bdbhpt/README.md
new file mode 100644
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+<!--
+Copyright 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/.
+
+Copyright (C) Stichting NLnet, Netherlands, stichting@nlnet.nl.
+
+The development of Dynamically Loadable Zones (DLZ) for Bind 9 was
+conceived and contributed by Rob Butler.
+
+SPDX-License-Identifier: ISC and MPL-2.0
+
+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 STICHTING NLNET DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL STICHTING NLNET 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.
+-->
+
+dlz-bdbhpt-dynamic
+==================
+
+A Bind 9 Dynamically Loadable BerkeleyDB High Performance Text Driver
+
+Summary
+-------
+
+This is an attempt to port the original Bind 9 DLZ bdbhpt_driver.c as
+found in the Bind 9 source tree into the new DLZ dlopen driver API.
+The goals of this project are as follows:
+
+* Provide DLZ facilities to OEM-supported Bind distributions
+* Support both v1 (Bind 9.8) and v2 (Bind 9.9) of the dlopen() DLZ API
+
+Requirements
+------------
+
+You will need the following:
+ * Bind 9.8 or higher with the DLZ dlopen driver enabled
+ * BerkeleyDB libraries and header files
+ * A C compiler
+
+This distribution have been successfully installed and tested on
+Ubuntu 12.04.
+
+Installation
+------------
+
+With the above requirements satisfied perform the following steps:
+
+1. Ensure the symlink for dlz_minimal.h points at the correct header
+   file matching your Bind version
+2. Run: make
+3. Run: sudo make install # this will install dlz_bdbhpt_dynamic.so
+   into /usr/lib/bind9/
+4. Add a DLZ statement similar to the example below into your
+   Bind configuration
+5. Ensure your BerkeleyDB home-directory exists and can be written to
+   by the bind user
+6. Use the included testing/bdbhpt-populate.pl script to provide some
+   data for initial testing
+
+Usage
+-----
+
+Example usage is as follows:
+
+```
+dlz "bdbhpt_dynamic" {
+        database "dlopen /usr/lib/bind9/dlz_bdbhpt_dynamic.so T /var/cache/bind/dlz dnsdata.db";
+};
+```
+
+The arguments for the "database" line above are as follows:
+
+1. dlopen - Use the dlopen DLZ driver to dynamically load our compiled
+   driver
+2. The full path to your built dlz_bdbhpt_dynamic.so
+3. Single character specifying the mode to open your BerkeleyDB
+   environment:
+   * T - Transactional Mode - Highest safety, lowest speed.
+   * C - Concurrent Mode - Lower safety (no rollback), higher speed.
+   * P - Private Mode - No interprocess communication & no locking.
+     Lowest safety, highest speed.
+4. Directory containing your BerkeleyDB - this is where the BerkeleyDB
+   environment will be created.
+5. Filename within this directory containing your BerkeleyDB tables.
+
+A copy of the above Bind configuration is included within
+example/dlz.conf.
+
+Author
+------
+
+The person responsible for this is:
+
+ Mark Goldfinch <g@g.org.nz>
+
+The code is maintained at:
+
+ https://github.com/goldie80/dlz-bdbhpt-dynamic
+
+There is very little in the way of original code in this work,
+however, original license conditions from both bdbhpt_driver.c and
+dlz_example.c are maintained in the dlz_bdbhpt_dynamic.c.
-- 
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