Hello,
I have recently upgraded to macOS 10.14 (Mojave) and am running into an
issue where one use can no longer log into dovecot via imap. Log shows
Oct 11 08:10:27 imap(hwr)<12659><YpC/0+133+EAAAAAAAAAAAAAAAAAAAAB>:
Fatal: setgroups(501) failed: Too many extra groups
and indeed, the user is in 17 groups, which is more than NGROUPS_MAX
(16).
Another user with << 16 groups can log in fine. Unfortunately it is not
(easily) doable to reduce
the number of groups, as macOS seems to set them internally.
Is there a config option that I am missing to work around this?
Looking at the source, I see this is handled in
src/lib/restrict-access.c::fix_groups_list(),
where above the call to setgroups() a gid_list2 is constructed. I wonder
if one could
have a config option to prevent adding all those extra groups, which
then make the
call to setgroups() fail
Any help appreciated
Heiko
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h...@pilhuhn.de m:0179/207 4919 b:http://pilhuhn.blogspot.com
