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
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