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Re: [Samba] Samba with AD : SID rejected




On Mon, 6 May 2019 10:58:56 +0200
Vincent Ducot <vincent.ducot@xxxxxxxxxxxxxxxx> wrote:

> Le 06/05/2019 à 10:46, Rowland Penny via samba a écrit :
> > On Mon, 6 May 2019 09:08:10 +0200
> > Vincent Ducot <vincent.ducot@xxxxxxxxxxxxxxxx> wrote:
> >  
> >> Hi,
> >>
> >> sorry for the mistake, I meaned
> >>
> >> getent passwd vincent shows nothing and I got in the log file:
> >>
> >> winbindd_getpwnam: My domain -- rejecting getpwnam() for
> >> FOO\vincent.
> >>
> >> 'wbinfo -u | grep 'vincent' returns vincent, it's the good
> >> username. 
> > Just because 'wbinfo' shows a user, doesn't mean that a Unix OS will
> > know the user, even if the smb.conf appears to be correct.
> >
> > You originally posted this:
> >
> > idmap config FOO:backend = ad
> > idmap config FOO:schema_mode = rfc2307
> > idmap config FOO:range = 10000-999999
> > idmap config FOO:unix_nss_info = yes
> > idmap config FOO:unix_primary_group = yes
> >
> > So, does 'vincent' have a uidNumber attribute containing a number
> > inside the range '10000-99999999' AND either a gidnumber attribute
> > containing the gidNumber of an AD group, or does Domain
> > Users have gidNumber attribute ? The gidNumber must be inside the
> > same range.
> >
> > Rowland  
> 
> Yes, user 'vincent' has uidNumber 10010, gidNumber 13010 and
> primaryGroupID 513.
> 
> 513 corresponds to the group "Domain Users", which have gidNumber
> 13010
> 
> Vincent
> 

OK, can you try something as a test ?

Change this:

idmap config FOO:backend = ad
idmap config FOO:schema_mode = rfc2307
idmap config FOO:range = 10000-999999
idmap config FOO:unix_nss_info = yes
idmap config FOO:unix_primary_group = yes

To this:

idmap config FOO:backend = rid
idmap config FOO:range = 10000-999999

Restart Samba and run:

net cache flush

Then run:

getent passwd vincent

This will test the connectivity between your Unix domain member and the
DC.

Don't worry if you get ID's that you don't expect, this is just a test,
just change everything back after the test.

Rowland

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