On Mon, May 23, 2022 at 8:59 PM Mark Thomas <ma...@apache.org> wrote:
>
> Hi all,
>
> I've started to look at this and I think we need a slightly broader
> plan. Hence this post to discuss it before I do to much work on it.
>
> It looks like we are going to need to support OpenSSL 1.1.1 in some form
> for quite some time. We are also going to need to support OpenSSL 3.0.x.
>
> Then there is LibreSSL. That appears to have been forked from OpenSSL
> 1.0.2 and hasn't kept completely in sync with subsequent API changes.
>
> I really don't want to have to support what are essentially three
> different APIs to the native SSL library. But I'd like to try and keep
> support for LibreSSL.
>
> Then there is the long term plan to reduce the Native library to the
> minimum required for NIO(2)+OpenSSL.
>
> It appears that LibreSSL does include most/all (TBC) of the API required
> for NIO(2)+OpenSSL.
>
> Given the above I am now thinking about the following plan.
>
> Tomcat Native main becomes 2.0.x where:
> - requires OpenSSL 3.0.x
> - requires APR 1.7.0 (or not at all)
> - can be built with LibreSSL (TBC)
> - drops all the native code apart from that required for NIO(2)+OpenSSL
> - is the minimum Tomcat Native version required by 10.1.x
> - provides FIPS support for 3.0.x
>
> Tomcat Native 1.2.x continues in a (low) maintenance mode
> - No changes to minimum versions
> - Security fixes
> - Releases to pick up newer OpenSSL versions for Windows binaries
>
> My aim would be for it to be possible to use Tomcat Native 2.0.x with
> Tomcat 9.0.x and earlier, provided it was only used for NIO(2)+OpenSSL.
> Trying to use APR or any of the other native code would result in an error.
>
> Optionally, at some point in the future, 1.2.x gets replaced by 1.3.x
> that increases minimum versions to OpenSSL 1.1.1 and APR 1.6.3. I'm not
> sure about this and what it means for OpenSSL 1.x and FIPS support. That
> said, that code is no longer supported by OpenSSL so it may not be a
> concern.
>
> Thoughts on the updated plan. Suggestions for a different approach?

Given what Panama does and the results, I think we should be planning
an end plan for tomcat-native. That 2.0 branch as you describe it
would be a good transition and could be a good "final" branch.

Rémy



> Mark
>
>
> On 23/05/2022 11:52, Mark Thomas wrote:
> > Hi all,
> >
> > A question on the users list about Tomcat Native, OpenSSL 3.0 FIPs
> > caused me to take a look at the current state of supported versions.
> >
> > The detail is here:
> > https://github.com/apache/tomcat-native/blob/main/native/srclib/VERSIONS
> >
> > The planned transition to Tomcat Native 1.3 never happened in April 2021
> > so I'd like to propose the following:
> >
> > - Create a 1.2.x branch from current main
> > - main becomes 1.3.x
> > - 1.3.x is updated to require at least OpenSSL 1.1.1
> > - 1.3.x is updated to require at least APR 1.6.3
> > - Update 1.3.x to support OpenSSL 3.x in FIPS mode
> > - Update 10.1.x to require at least Tomcat Native 1.3.x
> >
> > 1.2.x releases will continue until we have a stable 1.3x release.
> >
> > Thoughts?
> >
> > Mark
> >
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>
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