S-1-5-21-Local-SAM-SID-513 -> LOCAL-SAM-NAME\None

Fri Aug 7 16:37:43 UTC 2020

On Fri, Aug 07, 2020 at 06:25:32PM +0200, Ralph Boehme wrote:
> Howdy!
> 
> Can anyone explain this little peace of insanity?
> 
> <https://git.samba.org/samba.git/?p=samba.git;a=blob;f=source3/passdb/pdb_interface.c;h=03aa4ff8472198a4600797073cbcc97b5ac93467;hb=HEAD#l1840>
> 
> Cheers!

OK, what it looks like is a call that can *never* fail
on Windows - e.g. looking up S-1-5-[LOCAL-DOMAIN-PREFIX]-513
must *always* map to "Domain Users" group.

To make it not fail in the passb we map it to the name
"None", so there is a valid name to return.

That's my guess anyway.