RFH exim localscan dlopen patch stopped working with exim 4.93 (RC0)

[Andreas Metzler]

On 2019-10-20 Andreas Metzler <ametzler at bebt.de> wrote:
> Hello,

> I have just uploaded exim4 4.93~RC0-1 to experimental.

> Due to 

> | JH/32 Introduce a general tainting mechanism for values read from the
> |     input channel, and values derived from them. Refuse to expand any
> |     tainted values, to catch one form of exploit.

> the localscan dlopen patch does not work anynmore with exim 4.93 RC0.
[...]
> I think sa-exim.c needs to be built with -DLOCAL_SCAN but that does
> improve things significantly.

> For the time being I have removed exim4-localscanapi-2.0 from Provides.

Fixing (now obvious) errors on exim's side
https://bugs.exim.org/show_bug.cgi?id=2458 sa-exim builds again with
-DLOCAL_SCAN.

cu Andreas

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