[jira] Commented: (MODPYTHON-94) Calling APR optional functions provided by mod_ssl

["Graham Dumpleton (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/jira/browse/MODPYTHON-94?page=comments#action_12358711 ] 

Graham Dumpleton commented on MODPYTHON-94:
-------------------------------------------

Can Apache be built without HTTPS support? Does this patch still work and does it gracefully fail or give negative results if this is the case? I would not want to see changes which require Apache to be built in a certain way.

Also, it has previously been show how to provide this functionality as a separate Python loadable module so that patches would not be required to the mod_python core. See:

  http://www.modpython.org/pipermail/mod_python/2005-November/019609.html

No time to look at this issue further at the moment, but recording my current concerns. :-)

> Calling APR optional functions provided by mod_ssl
> --------------------------------------------------
>
>          Key: MODPYTHON-94
>          URL: http://issues.apache.org/jira/browse/MODPYTHON-94
>      Project: mod_python
>         Type: New Feature
>   Components: core
>     Versions: 3.2
>  Environment: Apache 2
>     Reporter: Deron Meranda
>  Attachments: modpython4.tex.patch, requestobject.c.patch
>
> mod_python is not able to invoke APR Optional Functions.  There are
> some cases however where this could be of great benifit.
> For example, consider writing an authentication or authorization handler
> which needs to determine SSL properties (even if to just answer the
> simple question: is the connection SSL encrypted).  The normal way of
> looking in the subprocess_env for SSL_* variables does not work in those
> early handler phases because those variables are not set until the fixup phase.
> The mod_ssl module though does provide both a ssl_is_https() and
> ssl_var_lookup() optional functions which can be used in earlier
> phases.  For example look at how mod_rewrite calls those; using
> the APR_DECLARE_OPTIONAL_FN and APR_RETRIEVE_OPTIONAL_FN
> macros.
> I can see how it might be very hard to support optional functions in
> general because of the C type linkage issue, but perhaps a select few
> could be coded directly into mod_python.

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