Re: [exim] The appendfile transport: UID and GID of the deli…

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Autor: Ednardo Lobo
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A: exim-users
Assumpte: Re: [exim] The appendfile transport: UID and GID of the delivery message file
On 29-08-2016 19:27, Heiko Schlittermann wrote:
> And you said, Exim runs without the suid privilege?


Yes and with a non-root user.

> According to a short glance into appendfile.c it seems, that Exim calls
> chown(2) on the newly created file.


This explains the question. Thanks for the information.

> Maybe the generic transport option group = nogroup (or whatever
> group name 65536 relates to) helps. It doesn't avoid the chown, but it
> should chown the group to the group the file already has. The group
> option is expandable, so you might some string expansion to get the
> group name right, in case it's dynamic.


Perfect if Exim ran with the suid privilege, but it's not the case.

> Should we consider to avoid chown() under certain conditions?


That would solve my problem!

-- 
      Ednardo Lobo


      www.lobo.eti.br