On Mon, May 30, 2022 at 6:49 PM Mark Thomas <ma...@apache.org> wrote:
>
> Hi all,
>
> I have made some progress. I have a trimmed down Tomcat Native 2.0 built
> with OpenSSL 3.0 working locally with Tomcat 10.1.x. I also have it
> working with the OpenSSL 3 FIPS provider.
>
> I have also been thinking about Tomcat Native 1.2.x and 2.0.x
> interoperability.
>
> Since Native 2.0 is mostly (apart from one new FIPS method) a subset of
> Native 1.2 it should be relatively easy for 10.1.x to work with Native
> 2.0.x or 1.2.x.
>
> Allowing Native 1.2.x use with Tomcat 10.1.x should make it easier on
> downstream distributions as it removes the need for them to update to
> APR 1.7.x and OpenSSL 3.0.x
>
> Getting 10.0.x and earlier working with Native 2.0.x is a little
> trickier although it doable if the limits are:
> - No APR/Native connector
> - No application usage of o.a.t.u.jni (as most of the native code is
>    removed)
>
> Enabling Native 2.0.x use with Tomcat 10.0.x and earlier opens up the
> possibility of OpenSSL FIPS that doesn't depend on an unsupported
> version of OpenSSL.
>
> I am currently thinking along the following lines:
>
> - release Tomcat Native 1.2.34 that includes:
>    - refactoring the caching of the FileInfo and Sockaddr classes so
>      that are only cached if used
>    - any additional refactoring to allow Native 1.2.x to be used in
>      Tomcat 10.1.x with all the deprecated code removed
>
> - make Tomcat Native 1.2.34 the minimum required Tomcat Native version
>    for Tomcat 10.1.x
>
> - release Tomcat Native 2.0.0
>
> - make Tomcat Native 2.0.0 the minimum recommended Tomcat Native
>    version for Tomcat 10.1.x
>
> - updates as required to Tomcat Native 1.2.x, 2.0.x and Tomcat
>    <=10.0.x to allow Tomcat Native 2.0.x to be used (reasonably) safely
>    with Tomcat <=10.0.x
>
> My plan is to do most of this work locally to make sure I haven't missed
> anything and then start committing and releasing in the order above.

Sounds great. Any subtask for me or do you prefer doing it alone ?

> Additional tasks that don't have the any ordering dependencies (that I
> can think of) include:
>
> - update the Tomcat Native 2.0.x code not to use any of the deprecated
>    OpenSSL APIs
>
> - when in FIPS required mode, consider checking individually negotiated
>    ciphers are from the FIPS provider in case the user has multiple
>    providers configured
>
> - Get LibreSSL fully working (my understanding that may be wrong is that
>    it isn't currently working)

Rémy

> Mark
>
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