Re: [Exim] LDAP lookup error

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Autor: Philip Hazel
Datum:  
To: Mark A. Hershberger
CC: exim-users
Neue Treads: Re: [Exim] LDAP lookup error
Betreff: Re: [Exim] LDAP lookup error
On 16 Apr 2002, Mark A. Hershberger wrote:

> Debian Linux Kernel 2.4.14
> exim 3.34


This sounds like a bug that was reported for Exim 4, and fixed in
release 4.02.

> In tracking this down, I saw that exim forks a process for the
> delivery, calls "search_tidyup", closes the LDAP connection,
> rejoins the parent process, and attempts to use the closed LDAP
> connection to help with the next delivery. At least this is
> what I think I saw.


Yes, that was what was fixed in 4.02.

> I've patched ldap.c (which I notice is the same in exim4, except
> for the copyright date) to remove the connection caching code.


That's a sledgehammer! But if it works for you, hey, I have no problem
with sledgehammers.

The fix for 4.02 was to insert a call to search_tidyup() before the
fork, so that each subprocess starts off without copying the cache state
of the parent.

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.