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Re: ocsp_force_default initialized with UNSET in httpd 2.4.34



On 07/18/2018 10:19 AM, Frank Meier wrote:
> We experience a problem with OCSP since Apache HTTP Server 2.4.34. Certificates, which do include a OCSP responder URL
> and worked well with 2.4.33 are now reported that they don't. Log Message: "AH01918: no OCSP responder specified in
> certificate and no default configured".
> 
> After git bisect I found the commit which introduced this behaviour [1]. And more more precisely the line in
> "ssl_engine_config.c" where "ocsp_force_default" is initialized with "UNSET" where in 2.4.33 it was initialized with
> "FALSE". This is a problem, because "ocsp_force_default" is used in a if condition without comparison operator in
> ssl_engine_ocsp.c:64, therefore resulting in TRUE even it is UNSET.
> 
> I propose 2 ways of fixing this. Either let the initialization be like in 2.4.33 (ocsp-fix.patch) or compare the
> "ocsp_force_default" flag with "TRUE" where it is used (ocsp-fix2.patch).

Stefan do you remember why the default for ocsp_force_default has changed to UNSET? If not I would go for the first patch.

Regards

Rüdiger

> 
> [1] https://github.com/apache/httpd/commit/7c64b2e46820d5d7576d9f601142cd33c5c8c42b
> 
> Cheers, Frank