Browse code

Add warning about mbed TLS licensing problem

Signed-off-by: Max Fillinger <maximilian.fillinger@foxcrypto.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20220217142756.6581-1-maximilian.fillinger@foxcrypto.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg23825.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>

Max Fillinger authored on 2022/02/17 23:27:56
Showing 1 changed files
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@@ -11,6 +11,24 @@ This version depends on mbed TLS 2.0 (and requires at least 2.0.0).
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 *************************************************************************
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+Warning:
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+
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+As of mbed TLS 2.17, it can be licensed *only* under the Apache v2.0 license.
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+That license is incompatible with OpenVPN's GPLv2.
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+
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+If you wish to distribute OpenVPN linked with mbed TLS, there are two options:
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+
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+ * Ensure that your case falls under the system library exception in GPLv2, or
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+
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+ * Use an earlier version of mbed TLS. Version 2.16.12 is the last release
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+   that may be licensed under GPLv2. Unfortunately, this version is
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+   unsupported and won't receive any more updates.
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+
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+If nothing changes about the license situation, mbed TLS support may be
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+deprecated in a future release of OpenVPN.
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+
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+*************************************************************************
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+
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 Due to limitations in the mbed TLS library, the following features are missing
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 in the mbed TLS version of OpenVPN:
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