OpenVPN
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Gert Doering f349b0a614 rework all occurrences of 'M_ERR | M_ERRNO'
M_ERR is defined as (M_FATAL | M_ERRNO), so 'msg(M_ERR | M_ERRNO, ...)'
is just the same as 'msg(M_ERR, ...)'.

The occurances in tun.c and dco_freebsd.c are really "if this happens,
we can not go on" errors, so 'M_ERR' (= FATAL, plus log errno string)
is the correct thing to do.

The occurances in dns.c do come with error handling and cleanup after
the msg() call, so the right thing is 'M_WARN | M_ERRNO' instead
(warning, plus log errno string).

Github: fixes OpenVPN/openvpn#939

Change-Id: I14395665f197349e374a81b56f28536ff88937a8
Signed-off-by: Gert Doering <gert@greenie.muc.de>
Acked-by: Arne Schwabe <arne-openvpn@rfc2549.org>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1517
Message-Id: <20260211150648.113547-1-frank@lichtenheld.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg35594.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
2026-02-16 15:52:26 +01:00
.github GHA: Run openvpnserv UT for MinGW builds 2026-01-26 16:37:10 +01:00
contrib Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
debug build: standard directory layout 2012-03-22 22:07:08 +01:00
dev-tools Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
distro Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
doc Review Changes.rst for 2.7.0 release 2026-02-10 18:40:20 +01:00
include Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
m4 doc: HTTPS upgrades and URL fixes throughout the tree 2025-10-13 17:39:46 +02:00
sample Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
src rework all occurrences of 'M_ERR | M_ERRNO' 2026-02-16 15:52:26 +01:00
tests Review Changes.rst for 2.7.0 release 2026-02-10 18:40:20 +01:00
.clang-format clang-format: Add missing InsertBraces: true 2026-02-16 15:29:54 +01:00
.git-blame-ignore-revs Add clang-format reformat commit to .git-blame-ignore-revs 2025-08-05 17:07:05 +02:00
.gitattributes cleanup: add .gitattributes to control eol style explicitly 2012-04-26 20:54:26 +02:00
.gitignore dns: apply settings via script on unixoid systems 2025-05-14 18:17:51 +02:00
.mailmap Update .mailmap to unify and clean up odd names and e-mail addresses 2016-10-18 13:46:04 +02:00
.pre-commit-config.yaml Update the clang-format reference version to 21.1.8 2026-02-10 16:29:04 +01:00
.svncommitters Added mapping files from SVN commit ID to more descriptive commit IDs. 2010-10-21 11:31:26 +02:00
AUTHORS This is the start of the BETA21 branch. 2005-09-26 05:28:27 +00:00
ChangeLog start release/2.8 development cycle 2026-02-13 13:11:33 +01:00
Changes.rst start release/2.8 development cycle 2026-02-13 13:11:33 +01:00
CMakeLists.txt remove ENABLE_X509ALTUSERNAME conditional 2026-01-14 12:13:47 +01:00
CMakePresets.json Add building/testing with msbuild and the clang compiler 2024-12-27 12:30:55 +01:00
compat.m4 Update GPL header in all source files to current recommended version 2025-08-03 16:55:47 +02:00
config.h.cmake.in remove ENABLE_X509ALTUSERNAME conditional 2026-01-14 12:13:47 +01:00
configure.ac openvpnserv: Add a first unit test 2026-01-24 18:23:05 +01:00
CONTRIBUTING.rst CONTRIBUTING: Update outdated/obsolete information 2025-10-13 18:10:25 +02:00
COPYING Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
COPYRIGHT.GPL Update text of GPL to latest version from FSF 2025-08-03 16:43:58 +02:00
forked-test-driver forked-test-driver: Show test output always 2024-04-02 17:20:48 +02:00
INSTALL doc: HTTPS upgrades and URL fixes throughout the tree 2025-10-13 17:39:46 +02:00
ltrc.inc cmake: symlink whole build dir not just .json file 2024-01-17 15:01:54 +01:00
Makefile.am Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
NEWS This is the start of the BETA21 branch. 2005-09-26 05:28:27 +00:00
PORTS Update Copyright statements to 2026 2026-01-08 10:59:57 +01:00
README doc: HTTPS upgrades and URL fixes throughout the tree 2025-10-13 17:39:46 +02:00
README.awslc Add compatibility to build OpenVPN with AWS-LC. 2025-01-29 17:11:19 +01:00
README.cmake.md README.cmake.md: Document minimum required CMake version for --preset 2024-02-01 20:26:45 +01:00
README.dco.md README.dco: update Linux instructions 2025-07-16 16:16:35 +02:00
README.ec Implement tls-groups option to specify eliptic curves/groups 2020-07-21 22:33:58 +02:00
README.mbedtls Add support for Mbed TLS 4 2026-01-24 18:49:44 +01:00
README.wolfssl Add a section about wolfSSL GPLv3 and point out missing TLS PRF support 2025-12-04 14:59:08 +01:00
renovate.json GHA: Dependency and Actions update May 2025 2025-05-18 17:41:42 +02:00
version.m4 start release/2.8 development cycle 2026-02-13 13:11:33 +01:00

OpenVPN -- A Secure tunneling daemon

Copyright (C) 2002-2022 OpenVPN Inc. This program is free software;
you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

*************************************************************************

To get the latest release of OpenVPN, go to:

	https://openvpn.net/community-downloads/

To Build and Install,

	tar -zxf openvpn-<version>.tar.gz
	cd openvpn-<version>
	./configure
	make
	make install

or see the file INSTALL for more info.

For information on how to build OpenVPN on/for Windows with MinGW
or MSVC see README.cmake.md.

*************************************************************************

For detailed information on OpenVPN, including examples, see the man page
  http://openvpn.net/man.html

For a sample VPN configuration, see
  http://openvpn.net/howto.html

To report an issue, see
  https://github.com/OpenVPN/openvpn/issues/new

For a description of OpenVPN's underlying protocol,
  see the file ssl.h included in the source distribution.

*************************************************************************

Other Files & Directories:

* configure.ac -- script to rebuild our configure
  script and makefile.

* sample/sample-scripts/verify-cn

  A sample perl script which can be used with OpenVPN's
  --tls-verify option to provide a customized authentication
  test on embedded X509 certificate fields.

* sample/sample-keys/

  Sample RSA keys and certificates.  DON'T USE THESE FILES
  FOR ANYTHING OTHER THAN TESTING BECAUSE THEY ARE TOTALLY INSECURE.

* sample/sample-config-files/

  A collection of OpenVPN config files and scripts from
  the HOWTO at http://openvpn.net/howto.html

*************************************************************************

Note that easy-rsa and tap-windows are now maintained in their own subprojects.
Their source code is available here:

  https://github.com/OpenVPN/easy-rsa
  https://github.com/OpenVPN/tap-windows6

Community-provided Windows installers (MSI) and Debian packages are built from

  https://github.com/OpenVPN/openvpn-build

See the INSTALL file for usage information.