On Mon, Nov 29, 2010 at 6:33 AM, Robbert Kouprie <robbert@xxxxxx> wrote: > Hi all, > > I am trying to mount our DFS root using NTLMv2, but this fails when > resolving the DFS target. Surprisingly, when I use NTLM, it does work. > > This fails: > > # mount -t cifs //sox.local/company /mnt/bla/ -o > username=kouprie,dom=sox,sec=ntlmv2 > > This works: > > # mount -t cifs //sox.local/company /mnt/bla/ -o > username=kouprie,dom=sox,sec=ntlm > > I am using linux kernel 2.6.37-rc3 and cifs-utils 4.5-2. > I have keyutils 1.4 installed and configured correctly (obviously, since it > works when using sec=ntlm). > The domain is configured to "Send NTLMv2 response only. Refuse LM". > > # cat /proc/fs/cifs/DebugData > Display Internal CIFS Data Structures for Debugging > --------------------------------------------------- > CIFS Version 1.68 > Features: dfs lanman posix spnego xattr > Active VFS Requests: 0 > Servers: > > Log exempt: > > fs/cifs/cifsfs.c: Devname: //sox.local/company/ flags: 64 > fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 6 with uid: 0 > fs/cifs/connect.c: Domain name set > fs/cifs/connect.c: Username: kouprie > fs/cifs/connect.c: UNC: \\sox.local\company ip: 10.0.0.11 > fs/cifs/connect.c: Socket created > fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6 > fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 7 with uid: 0 > fs/cifs/connect.c: Existing smb sess not found > fs/cifs/cifssmb.c: secFlags 0x4 > fs/cifs/connect.c: Demultiplex PID: 1395 > fs/cifs/transport.c: For smb_command 114 > fs/cifs/transport.c: Sending smb: total_len 82 > fs/cifs/connect.c: rfc1002 length 0x6b > fs/cifs/cifssmb.c: Dialect: 2 > fs/cifs/cifssmb.c: Signing disabled > fs/cifs/cifssmb.c: negprot rc 0 > fs/cifs/connect.c: Security Mode: 0x3 Capabilities: 0x1f3fd TimeAdjust: > -3600 > fs/cifs/sess.c: sess setup type 2 > fs/cifs/transport.c: For smb_command 115 > fs/cifs/transport.c: Sending smb: total_len 316 > fs/cifs/connect.c: rfc1002 length 0xb5 > fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release > fs/cifs/sess.c: UID = 8192 > fs/cifs/sess.c: bleft 135 > fs/cifs/sess.c: serverOS=Windows Server 2003 3790 Service Pack 2 > fs/cifs/sess.c: serverNOS=Windows Server 2003 5.2 > fs/cifs/sess.c: serverDomain=SOX > fs/cifs/sess.c: ssetup freeing small buf f0c40000 > fs/cifs/connect.c: CIFS Session Established successfully > fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 7) rc = 0 > fs/cifs/connect.c: file mode: 0x1ed dir mode: 0x1ed > fs/cifs/connect.c: CIFS VFS: in cifs_get_tcon as Xid: 8 with uid: 0 > fs/cifs/transport.c: For smb_command 117 > fs/cifs/transport.c: Sending smb: total_len 94 > fs/cifs/connect.c: rfc1002 length 0x27 > Status code returned 0xc0000257 NT_STATUS_PATH_NOT_COVERED > fs/cifs/netmisc.c: Mapping smb error code 3 to POSIX err -66 > fs/cifs/connect.c: CIFS VFS: leaving cifs_get_tcon (xid = 8) rc = -66 > fs/cifs/connect.c: CIFS Tcon rc = -66 > fs/cifs/connect.c: Getting referral for: \\sox.local\company > fs/cifs/transport.c: For smb_command 117 > fs/cifs/transport.c: Sending smb: total_len 88 > fs/cifs/connect.c: rfc1002 length 0x3c > fs/cifs/connect.c: CIFS Tcon rc = 0 ipc_tid = 4100 > fs/cifs/cifssmb.c: In GetDFSRefer the path \sox.local\company > fs/cifs/transport.c: For smb_command 50 > fs/cifs/transport.c: Sending smb: total_len 112 > fs/cifs/connect.c: rfc1002 length 0x11c > fs/cifs/cifssmb.c: Decoding GetDFSRefer response BCC: 225 Offset 56 > fs/cifs/cifssmb.c: num_referrals: 2 dfs flags: 0x3 ... > > cifs.upcall: key description: dns_resolver;0;0;3f000000;SOXSRV03\C > cifs.upcall: unable to resolve hostname: SOXSRV03\C [Name or service not > known] > > CIFS VFS: dns_resolve_server_name_to_ip: unable to resolve: SOXSRV03\C > CIFS VFS: cifs_compose_mount_options: Failed to resolve server part of > \\SOXSRV03\Company to IP: -126 > fs/cifs/connect.c: cifs_put_smb_ses: ses_count=1 > > fs/cifs/connect.c: CIFS VFS: in cifs_put_smb_ses as Xid: 9 with uid: 0 > fs/cifs/cifssmb.c: In SMBLogoff for session disconnect > fs/cifs/transport.c: For smb_command 116 > fs/cifs/transport.c: Sending smb: total_len 43 > fs/cifs/connect.c: rfc1002 length 0x2b > fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 6) rc = -126 > CIFS VFS: cifs_mount failed w/return code = -126 > > As you can see above, upcall tries to resolve "SOXSRV03\C", which is > obviously the hostname including the first letter of the share. > > Does anyone know how I can fix this? > > Best regards, > > -- > Robbert > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > You can try sec=ntlmssp. What kind of Windows box is this? -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
