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[Samba] member server idmap config (auto)rid




(forwarding as I forgot to reply-all)

-----Original Message-----
From: Lange Norbert
Sent: Dienstag, 08. August 2017 12:26
To: 'mathias dufresne'
Subject: RE: [Samba] member server idmap config (auto)rid

>Did you install libpam-winbind? libpam-krb5?

Nope, I did try installing them now, made no difference.
I have backup-scripts running on the server for months, and it worked before.

Can`t get wbinfo to report anything but errors, I am using user/domain/pass file with smbclient,
There is no sophisticated authentication AFAIK, and the issue just seems that samba sends data in bigger chunks
than the server accepts, the patch limits this. This does not seem anything related to login/auth.

Kind regards,
Norbert

 >-----Original Message-----
 >From: samba [mailto:samba-bounces@xxxxxxxxxxxxxxx] On Behalf Of mathias
 >dufresne via samba
 >Sent: Dienstag, 08. August 2017 12:05
 >Cc: samba
 >Subject: Re: [Samba] member server idmap config (auto)rid
 >
 >EMAIL from a NON-ANDRITZ SOURCE: as a security measure, please exercise
 >caution with email content and any links or attachments.
 >
 >
 >Hi,
 >
 >Could you post the whole smb.conf? That should help...
 >
 >Did you install libpam-winbind? libpam-krb5?
 >
 >Kerberos is working? It should as you mentioned join was ok.
 >
 >Anyway and in short, to help we need information.
 >
 >And playing with wbinfo could help to understand what you missed (wbinfo -n
 >username; wbinfo -S userSID; wbnifo -i username; for a start)
 >
 >2017-08-07 16:44 GMT+02:00 Neil Price via samba <samba@xxxxxxxxxxxxxxx>:
 >
 >> I've joined a samba 4.48 (debian stretch) to a Windows 2008R2 AD domain
 >> according to
 >https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Domai
 >> n_Member
 >>
 >> It joins OK but I cannot get idmap rid (or autorid) to work
 >>
 >>    idmap config * : backend = autorid
 >>    idmap config * : range = 1000000-1199999
 >>
 >
 >Using only these two lines AD users and groups could become Linux users and
 >groups but their UID/GID will be randomly generated, which is certinaly not
 >what you want (at least in future that's you should regret)
 >
 >
 >>
 >> Nothing is returned for getent "SAMDOM\user"
 >>
 >> log.winbindd shows:
 >>
 >> [2017/08/07 15:44:08.377559,  3] ../source3/winbindd/winbindd_g
 >> etpwnam.c:56(winbindd_getpwnam_send)
 >>   getpwnam SAMDOM\user
 >> [2017/08/07 15:45:12.561500,  5] ../source3/winbindd/winbindd.c
 >> :1139(remove_timed_out_clients)
 >>   Client request timed out, shutting down sock 26, pid 639
 >>
 >> (libnss_winbind is installed and nsswitcy.conf modified as per wiki)
 >>
 >> If however I use
 >>
 >>        idmap config * : backend = tdb
 >>        idmap config * : range = 3000-7999
 >>
 >>    idmap config SAMDOM : backend = rid
 >>    idmap config SAMDOM : range = 1000000-1199999
 >>
 >
 >Using these 4 lines is the right thing to do: idmap-rid will generate
 >UID/GID using LDAP object's RID + 1000000 (according to what you wrote) and
 >as UID/GID are now based on RID which is stable your UID/GID will be stable
 >too (not randomly generated)
 >
 >
 >>
 >> Then getent "SAMDOM\user" works but the uid is taken from the * range, not
 >> SAMDOM.
 >>
 >> What am I doing wrong?
 >>
 >>
 >>
 >>
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