axosyslog/COPYING at main · axoflow/axosyslog · GitHub

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Copyright (c) 2002-2015 Balabit
Copyright (c) 1996-2015 Balázs Scheidler
Copyright (c) 2023-2025 Axoflow

AxoSyslog is licensed under the terms of the GNU General Public License v3.0
or later (SPDX: GPL-3.0-or-later).

FAQ:
====

The questions and answers below try to summarize the intentions behind this
licensing scheme.

Q: Do I need to sign a Contributory License Agreement in order for my
contribution to be accepted?

A: No, you don't need to sign a CLA in order to have your contributions
accepted. All copyrights are retained by their respective authors.

Q: Is it possible to create non-free plugins for AxoSyslog?

A: No. AxoSyslog is under the terms of the GPLv3. It is our
understanding that plugins are derived works of the core and thus
plugins need to be licensed under GPLv3.

PORTIONS WERE CONTRIBUTED UNDER THE FOLLOWING LICENSES:
======================================================

lib/compat:
/*-
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Chris Torek.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */