lmtpd segfaults after update to 2.4.19, seems it wants to act as proxy

[ellie timoney]

On Wed, May 24, 2017, at 04:17 PM, Don Lewis wrote:
> This first version of the patch worked for me.  A problem with
> 
> the second version of the patch is that mlookup() gets called in
> 
> a bunch of different places and the server variable would need
> 
> to be initialized in all of them.  In verify_user(), mlookup is called
> 
> several times, so server would have to be set to NULL before
> 
> each call.
> 
> 

Oh, good catch, I didn't look for other occurrences.  

Attached is an updated version of my patch that initialises these
variables correctly.

Cheers,

ellie
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