Re: anyone running with ngroups increased from 16?

From: Brooks Davis <brooks_at_freebsd.org>
Date: Mon, 16 Apr 2018 15:49:03 +0000
On Mon, Apr 16, 2018 at 06:37:53PM +0800, Julian Elischer wrote:
> Windows users seem to have an almost unlimited number of groups and 
> soem places seem to use them a LOT.
> This gives Posix systems problems with deciding how to handle them 
> all. Especially when getting
> user credentials from winbindd (samba).
> 
> Does anyone know of any work done to either bypass this limit or to at 
> least expand it?

I fixed this in 2009 for everything but NFS AUTH_SYS.  NGROUPS_MAX is
1023.  IIRC the usual hack employed in storage systems is to ignore the
groups provided by AUTH_SYS and get them from winbindd.  I don't know of
a public implementation of that.

-- Brooks
Received on Mon Apr 16 2018 - 13:49:11 UTC

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