From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcus Moeller Subject: Re: DFS referrals Date: Mon, 29 Jul 2013 16:39:44 +0200 Message-ID: <51F67EB0.40502@gmx.ch> References: <51DBD032.10305@gmx.ch> <20130709054702.15550964@tlielax.poochiereds.net> <51DBDDEA.9040702@gmx.ch> <20130709081027.450b1849@corrin.poochiereds.net> <51F664FB.5090507@gmx.ch> <20130729090759.62d15e2e@corrin.poochiereds.net> <51F6720C.3060500@gmx.ch> <20130729103445.6629cece@tlielax.poochiereds.net> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms030509040600010300060300" Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jeff Layton Return-path: In-Reply-To: <20130729103445.6629cece-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org> Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Dies ist eine kryptografisch unterzeichnete Nachricht im MIME-Format. --------------ms030509040600010300060300 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Am 29.07.2013 16:34, schrieb Jeff Layton: > On Mon, 29 Jul 2013 15:45:48 +0200 > Marcus Moeller wrote: > >> Am 29.07.2013 15:07, schrieb Jeff Layton: >>> I generally don't do 1:1 support unless you're paying me, so cc'ing >>> linux-cifs ml: >> >> Ok, replying to the list as well. >> >>> [...] >>> >>> On Mon, 29 Jul 2013 14:50:03 +0200 >>> Marcus Moeller wrote: >>> >>>> [ 124.607810] fs/cifs/cifssmb.c: negprot rc 0 >>>> [ 124.607814] fs/cifs/connect.c: Security Mode: 0xf Capabilities: 0= x8001f3fc TimeAdjust: -7200 >>>> [ 124.607817] fs/cifs/sess.c: sess setup type 4 >>>> [ 124.607826] fs/cifs/cifs_spnego.c: key description =3D ver=3D0x2;= host=3Dd.ethz.ch;ip4=3D82.130.70.6;sec=3Dkrb5;uid=3D0xaf05;creduid=3D0xaf= 05;user=3Dmam4tst;pid=3D0x61a >>>> [ 124.803185] fs/cifs/sess.c: ssetup freeing small buf ffff88022c31= a000 >>>> [ 124.803195] CIFS VFS: Send error in SessSetup =3D -126 >>>> [ 124.803203] fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses= (xid =3D 5) rc =3D -126 >>>> [ 124.803212] fs/cifs/fscache.c: cifs_fscache_release_client_cookie= : (0xffff88022a1b6000/0xffff88022a6430f0) >>>> [ 124.803368] fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = =3D 4) rc =3D -126 >>>> [ 124.803374] CIFS VFS: cifs_mount failed w/return code =3D -126 >>> >>> The only failure I see is the one above, and that's because it failed= >>> to upcall for the correct key. Are you sure you have krb5 creds as th= at >>> user? >> >> Yes, creds are there and it also works when mounting from one of the >> servers directly. >> >> Only mounting using the domainname does not work. >> >> >>>> [ 131.324798] fs/cifs/cifssmb.c: negprot rc 0 >>>> [ 131.324804] fs/cifs/connect.c: Security Mode: 0xf Capabilities: 0= x8001f3fc TimeAdjust: -7200 >>>> [ 131.324808] fs/cifs/sess.c: sess setup type 4 >>>> [ 131.324821] fs/cifs/cifs_spnego.c: key description =3D ver=3D0x2;= host=3Dd.ethz.ch;ip4=3D172.31.65.62;sec=3Dkrb5;uid=3D0xaf05;creduid=3D0xa= f05;user=3Dmam4tst;pid=3D0x62c >>>> [ 131.384335] fs/cifs/transport.c: For smb_command 115 >>>> [ 131.384344] fs/cifs/transport.c: Sending smb: smb_len=3D1666 >>>> [ 131.387043] fs/cifs/connect.c: RFC1002 header 0xf9 >>>> [ 131.387055] fs/cifs/misc.c: checkSMB Length: 0xfd, smb_buf_length= : 0xf9 >>>> [ 131.387095] fs/cifs/transport.c: cifs_sync_mid_result: cmd=3D115 = mid=3D2 state=3D4 >>>> [ 131.387100] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_= release >>> >>> Here' the upcall for a similar set of creds worked fine. The only thi= ng >>> that seems to have changed in the key description is the IP address. >>> >>> Do you have cifs.upcall set up to use the --trust-dns flag? If so, wh= y? >> >> A relict from the past. I have removed it from the config. Thanks for >> pointing out. > Ok. Does removing that make any difference? Nope, still behaves the same. I should perhaps add that this worked fine = in the past, so I hoped it might work again with this commit: http://thread.gmane.org/gmane.linux.kernel.cifs/8197/focus=3D8232 but it doesn't. 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