* Re: [Samba] mount.cifs with "sec=ntlmv2" fails ("mount error(22): Invalid argument") [not found] ` <4E527F5C.1090205-/hMagybUd5GoYr4blSSd5g@public.gmane.org> @ 2011-08-22 16:28 ` Shirish Pargaonkar [not found] ` <CADT32eKLjbuUjY1=PS9Pqa5zWnHNcCcouzPHmTo3s+QO-9iQ4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Shirish Pargaonkar @ 2011-08-22 16:28 UTC (permalink / raw) To: Till Dörges; +Cc: linux-cifs On Mon, Aug 22, 2011 at 11:10 AM, Till Dörges <doerges-/hMagybUd5GoYr4blSSd5g@public.gmane.org> wrote: > Hello, everyone, > > I'm trying to mount a CIFS share served by Samba using mount.cifs with NTLMv2 > authentication. > > > According to 'man mount.cifs' the option "sec=ntlmv2" should be supported, but it > keeps giving me "mount error(22): Invalid argument". > > The Samba server enforces the use of NTLMv2. When allowing for NTLMv1 on both sides > everything works just fine. > > > The client runs kernel 2.6.37.6-0.7-desktop (fully patched openSUSE-11.4) with the > CIFS kernel module version 1.68. mount.cifs identifies as "version: 4.6". > > > Mounting on the client side it looks like this: > > --- snip --- > # mount.cifs //abctest.box/abclaufwerk /mnt/mnt/ --verbose -o > domain=ABCTEST,user=abc,pass=secrect,sec=ntlmv2 > > mount.cifs kernel mount options: > ip=10.9.0.103,unc=\\abctest.box\abclaufwerk,sec=ntlmv2,ver=1,user=abc,domain=ABCTEST,pass=******** > mount error(22): Invalid argument > Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) > --- snap --- > > CIFS debugging on the client is enabled: > > --- snip --- > # cat /proc/fs/cifs/cifsFYI > 1 > --- snap --- > > Which yields the following lines in syslog (for the full log see attachment) > > --- snip --- > Aug 22 17:47:34 client kernel: [28966.056081] > /usr/src/packages/BUILD/kernel-desktop-2.6.37.6/linux-2.6.37/fs/cifs/connect.c: > Security Mode: 0x3 Capabilities: 0x80f3fd TimeAdjust: -7200 > Aug 22 17:47:34 client kernel: [28966.056088] > /usr/src/packages/BUILD/kernel-desktop-2.6.37.6/linux-2.6.37/fs/cifs/sess.c: sess > setup type 2 > --- snap --- > > "sess setup type 2" seems to indicate that NTLMv2 is used. > > > The server is running a fully patched openSUSE 11.3 with kernel 2.6.34.8-0.2-default > and Samba 3.5.4. Both "lanman auth" and "ntlm auth" are disabled, which should force > the use of NTLMv2 according to 'man smb.conf': > > --- snip --- > server # testparm 2> /dev/null | egrep 'ntlm|lan' > ntlm auth = No > server # > --- snap --- > > The server's corresponding log entries are also attached. > > > Like said above, when I allow for the use of NTLMv1 on both sides (ntlm auth = Yes on > the server and no sec=ntlmv2 on the client) everything works just fine. > > When I enforce NTLMv2 on the server and don't specify "sec=ntlmv2" with mount.cifs I > get "mount error(13): Permission denied" and syslog on the client shows that NTLMv1 > is tried ("sess setup type 1"). > > > So is there anything wrong with my setup? Should NTLMv2 be working between Samba and > mount.cifs? If it should, why isn't it in this particular setup? > > > Any hints will be greatly appreciated. > > > TIA -- Till > -- > Dipl.-Inform. Till Dörges doerges@pre-sense.de > Tel. +49 - 40 - 244 2407 - 14 > Fax +49 - 40 - 244 2407 - 24 > PRESENSE Technologies GmbH Sachsenstr. 5, D-20097 HH > USt-IdNr.: DE263765024 > Geschäftsführer/Managing Directors AG Hamburg, HRB 107844 > Till Dörges Jürgen Sander Axel Theilmann > > -- > To unsubscribe from this list go to the following URL and read the > instructions: https://lists.samba.org/mailman/options/samba > sec=ntlmv2 auth type should work between cifs vfs client and Samba server. Can you try sec=ntlmssp and see if it works? Can you list the smb.conf file here? And a wireshark trace when sec=ntlmv2 fails would be really helpful. Regards, Shirish ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <CADT32eKLjbuUjY1=PS9Pqa5zWnHNcCcouzPHmTo3s+QO-9iQ4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>]
* Re: [Samba] mount.cifs with "sec=ntlmv2" fails ("mount error(22): Invalid argument") [not found] ` <CADT32eKLjbuUjY1=PS9Pqa5zWnHNcCcouzPHmTo3s+QO-9iQ4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> @ 2011-08-22 17:01 ` Till Dörges [not found] ` <4E528B56.5070301-/hMagybUd5GoYr4blSSd5g@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Till Dörges @ 2011-08-22 17:01 UTC (permalink / raw) To: Shirish Pargaonkar; +Cc: linux-cifs [-- Attachment #1: Type: text/plain, Size: 3868 bytes --] Hello, On 22.08.2011 18:28, Shirish Pargaonkar wrote: > On Mon, Aug 22, 2011 at 11:10 AM, Till Dörges <doerges-/hMagybUd5GoYr4blSSd5g@public.gmane.org> wrote: > >> Hello, everyone, >> >> I'm trying to mount a CIFS share served by Samba using mount.cifs with NTLMv2 >> authentication. >> >> >> According to 'man mount.cifs' the option "sec=ntlmv2" should be supported, but it >> keeps giving me "mount error(22): Invalid argument". >> >> The Samba server enforces the use of NTLMv2. When allowing for NTLMv1 on both sides >> everything works just fine. >> >> >> The client runs kernel 2.6.37.6-0.7-desktop (fully patched openSUSE-11.4) with the >> CIFS kernel module version 1.68. mount.cifs identifies as "version: 4.6". >> >> >> Mounting on the client side it looks like this: >> >> --- snip --- >> # mount.cifs //abctest.box/abclaufwerk /mnt/mnt/ --verbose -o >> domain=ABCTEST,user=abc,pass=secrect,sec=ntlmv2 >> >> mount.cifs kernel mount options: >> ip=10.9.0.103,unc=\\abctest.box\abclaufwerk,sec=ntlmv2,ver=1,user=abc,domain=ABCTEST,pass=******** >> mount error(22): Invalid argument >> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) >> --- snap --- >> >> CIFS debugging on the client is enabled: >> >> --- snip --- >> # cat /proc/fs/cifs/cifsFYI >> 1 >> --- snap --- >> >> Which yields the following lines in syslog (for the full log see attachment) >> >> --- snip --- >> Aug 22 17:47:34 client kernel: [28966.056081] >> /usr/src/packages/BUILD/kernel-desktop-2.6.37.6/linux-2.6.37/fs/cifs/connect.c: >> Security Mode: 0x3 Capabilities: 0x80f3fd TimeAdjust: -7200 >> Aug 22 17:47:34 client kernel: [28966.056088] >> /usr/src/packages/BUILD/kernel-desktop-2.6.37.6/linux-2.6.37/fs/cifs/sess.c: sess >> setup type 2 >> --- snap --- >> >> "sess setup type 2" seems to indicate that NTLMv2 is used. >> >> >> The server is running a fully patched openSUSE 11.3 with kernel 2.6.34.8-0.2-default >> and Samba 3.5.4. Both "lanman auth" and "ntlm auth" are disabled, which should force >> the use of NTLMv2 according to 'man smb.conf': >> >> --- snip --- >> server # testparm 2> /dev/null | egrep 'ntlm|lan' >> ntlm auth = No >> server # >> --- snap --- >> >> The server's corresponding log entries are also attached. >> >> >> Like said above, when I allow for the use of NTLMv1 on both sides (ntlm auth = Yes on >> the server and no sec=ntlmv2 on the client) everything works just fine. >> >> When I enforce NTLMv2 on the server and don't specify "sec=ntlmv2" with mount.cifs I >> get "mount error(13): Permission denied" and syslog on the client shows that NTLMv1 >> is tried ("sess setup type 1"). >> >> >> So is there anything wrong with my setup? Should NTLMv2 be working between Samba and >> mount.cifs? If it should, why isn't it in this particular setup? >> >> >> Any hints will be greatly appreciated. >> >> >> TIA -- Till [...] > sec=ntlmv2 auth type should work between cifs vfs client and Samba server. Ack. > Can you try sec=ntlmssp and see if it works? Yes, that works. I see "sess setup type 3" in my syslog on the client, and "ntlm_password_check: Checking NTLMv2 password with domain [***]" on the server. I can sucessfully create and remove files on the server from the client. > Can you list the smb.conf file here? See attachment. > And a wireshark trace when sec=ntlmv2 fails would be really helpful. See attachment. HTH -- Till -- Dipl.-Inform. Till Dörges doerges-/hMagybUd5GoYr4blSSd5g@public.gmane.org Tel. +49 - 40 - 244 2407 - 14 Fax +49 - 40 - 244 2407 - 24 PRESENSE Technologies GmbH Sachsenstr. 5, D-20097 HH USt-IdNr.: DE263765024 Geschäftsführer/Managing Directors AG Hamburg, HRB 107844 Till Dörges Jürgen Sander Axel Theilmann [-- Attachment #2: smb.conf --] [-- Type: text/plain, Size: 1092 bytes --] # server # egrep -v ^# /etc/samba/smb.conf [global] workgroup = WDSTEST passdb backend = tdbsam map to guest = Bad User guest account = wdsguest logon path = \\%L\profiles\.msprofile logon home = \\%L\%U\.9xprofile logon drive = P: usershare allow guests = Yes add machine script = /usr/sbin/useradd -c Machine -d /var/lib/nobody -s /bin/false %m$ domain logons = Yes domain master = Yes local master = Yes netbios name = WDSSAMBA os level = 65 preferred master = Yes security = user lanman auth = no ntlm auth = no wins support = Yes log level = 10 [gastlaufwerk] comment = Zugriff fuer Gaeste inherit acls = Yes path = /srv/samba/guestshare read only = No guest ok = yes guest only = yes [wdslaufwerk] comment = Share fuer Nutzer 'wds' inherit acls = Yes path = /srv/samba/wdsshare read only = No guest ok = no valid users = wds [-- Attachment #3: ntlmv2-mount-failure.pcap --] [-- Type: application/octet-stream, Size: 1830 bytes --] ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <4E528B56.5070301-/hMagybUd5GoYr4blSSd5g@public.gmane.org>]
* Re: [Samba] mount.cifs with "sec=ntlmv2" fails ("mount error(22): Invalid argument") [not found] ` <4E528B56.5070301-/hMagybUd5GoYr4blSSd5g@public.gmane.org> @ 2011-08-22 17:33 ` Shirish Pargaonkar [not found] ` <CADT32eKhcCtNhi2Vd0xwnDR2ZrhMGbX2u-DE3Z3r5awwmd4dTw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Shirish Pargaonkar @ 2011-08-22 17:33 UTC (permalink / raw) To: Till Dörges; +Cc: linux-cifs On Mon, Aug 22, 2011 at 12:01 PM, Till Dörges <doerges-/hMagybUd5GoYr4blSSd5g@public.gmane.org> wrote: > Hello, > > On 22.08.2011 18:28, Shirish Pargaonkar wrote: >> On Mon, Aug 22, 2011 at 11:10 AM, Till Dörges <doerges@pre-sense.de> wrote: >> >>> Hello, everyone, >>> >>> I'm trying to mount a CIFS share served by Samba using mount.cifs with NTLMv2 >>> authentication. >>> >>> >>> According to 'man mount.cifs' the option "sec=ntlmv2" should be supported, but it >>> keeps giving me "mount error(22): Invalid argument". >>> >>> The Samba server enforces the use of NTLMv2. When allowing for NTLMv1 on both sides >>> everything works just fine. >>> >>> >>> The client runs kernel 2.6.37.6-0.7-desktop (fully patched openSUSE-11.4) with the >>> CIFS kernel module version 1.68. mount.cifs identifies as "version: 4.6". >>> >>> >>> Mounting on the client side it looks like this: >>> >>> --- snip --- >>> # mount.cifs //abctest.box/abclaufwerk /mnt/mnt/ --verbose -o >>> domain=ABCTEST,user=abc,pass=secrect,sec=ntlmv2 >>> >>> mount.cifs kernel mount options: >>> ip=10.9.0.103,unc=\\abctest.box\abclaufwerk,sec=ntlmv2,ver=1,user=abc,domain=ABCTEST,pass=******** >>> mount error(22): Invalid argument >>> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) >>> --- snap --- >>> >>> CIFS debugging on the client is enabled: >>> >>> --- snip --- >>> # cat /proc/fs/cifs/cifsFYI >>> 1 >>> --- snap --- >>> >>> Which yields the following lines in syslog (for the full log see attachment) >>> >>> --- snip --- >>> Aug 22 17:47:34 client kernel: [28966.056081] >>> /usr/src/packages/BUILD/kernel-desktop-2.6.37.6/linux-2.6.37/fs/cifs/connect.c: >>> Security Mode: 0x3 Capabilities: 0x80f3fd TimeAdjust: -7200 >>> Aug 22 17:47:34 client kernel: [28966.056088] >>> /usr/src/packages/BUILD/kernel-desktop-2.6.37.6/linux-2.6.37/fs/cifs/sess.c: sess >>> setup type 2 >>> --- snap --- >>> >>> "sess setup type 2" seems to indicate that NTLMv2 is used. >>> >>> >>> The server is running a fully patched openSUSE 11.3 with kernel 2.6.34.8-0.2-default >>> and Samba 3.5.4. Both "lanman auth" and "ntlm auth" are disabled, which should force >>> the use of NTLMv2 according to 'man smb.conf': >>> >>> --- snip --- >>> server # testparm 2> /dev/null | egrep 'ntlm|lan' >>> ntlm auth = No >>> server # >>> --- snap --- >>> >>> The server's corresponding log entries are also attached. >>> >>> >>> Like said above, when I allow for the use of NTLMv1 on both sides (ntlm auth = Yes on >>> the server and no sec=ntlmv2 on the client) everything works just fine. >>> >>> When I enforce NTLMv2 on the server and don't specify "sec=ntlmv2" with mount.cifs I >>> get "mount error(13): Permission denied" and syslog on the client shows that NTLMv1 >>> is tried ("sess setup type 1"). >>> >>> >>> So is there anything wrong with my setup? Should NTLMv2 be working between Samba and >>> mount.cifs? If it should, why isn't it in this particular setup? >>> >>> >>> Any hints will be greatly appreciated. >>> >>> >>> TIA -- Till > > [...] > >> sec=ntlmv2 auth type should work between cifs vfs client and Samba server. > > Ack. > >> Can you try sec=ntlmssp and see if it works? > > Yes, that works. > I see "sess setup type 3" in my syslog on the client, and "ntlm_password_check: > Checking NTLMv2 password with domain [***]" on the server. I can sucessfully create > and remove files on the server from the client. > >> Can you list the smb.conf file here? > > See attachment. > >> And a wireshark trace when sec=ntlmv2 fails would be really helpful. > > See attachment. > > HTH -- Till > -- > Dipl.-Inform. Till Dörges doerges@pre-sense.de > Tel. +49 - 40 - 244 2407 - 14 > Fax +49 - 40 - 244 2407 - 24 > PRESENSE Technologies GmbH Sachsenstr. 5, D-20097 HH > USt-IdNr.: DE263765024 > Geschäftsführer/Managing Directors AG Hamburg, HRB 107844 > Till Dörges Jürgen Sander Axel Theilmann > smb.conf options look fine. I will have to spend some time on this. But sec=ntlmv2/i works against a Windows server just fine, so something needs to changed to make it work against Samba server, some bit in flags or flags2 field in cifs/smb header perhaps. Regards, Shirish ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <CADT32eKhcCtNhi2Vd0xwnDR2ZrhMGbX2u-DE3Z3r5awwmd4dTw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>]
* Re: [Samba] mount.cifs with "sec=ntlmv2" fails ("mount error(22): Invalid argument") [not found] ` <CADT32eKhcCtNhi2Vd0xwnDR2ZrhMGbX2u-DE3Z3r5awwmd4dTw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> @ 2011-08-22 17:57 ` Till Dörges [not found] ` <4E52988A.8080103-/hMagybUd5GoYr4blSSd5g@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Till Dörges @ 2011-08-22 17:57 UTC (permalink / raw) To: Shirish Pargaonkar; +Cc: linux-cifs On 22.08.2011 19:33, Shirish Pargaonkar wrote: > smb.conf options look fine. I will have to spend some time on this. > But sec=ntlmv2/i works against a Windows server just fine, so something needs > to changed to make it work against Samba server, some bit in flags or > flags2 field in cifs/smb header perhaps. For the sake of completeness. I just updated the Samba server from 3.5.4 to 3.6.0, but the behavior with sec=ntlmv2 (not working) and sec=ntlmssp (working) stays the same. If there's any information I can provide please let me know. Regards -- Till -- Dipl.-Inform. Till Dörges doerges-/hMagybUd5GoYr4blSSd5g@public.gmane.org Tel. +49 - 40 - 244 2407 - 14 Fax +49 - 40 - 244 2407 - 24 PRESENSE Technologies GmbH Sachsenstr. 5, D-20097 HH USt-IdNr.: DE263765024 Geschäftsführer/Managing Directors AG Hamburg, HRB 107844 Till Dörges Jürgen Sander Axel Theilmann ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <4E52988A.8080103-/hMagybUd5GoYr4blSSd5g@public.gmane.org>]
* Re: [Samba] mount.cifs with "sec=ntlmv2" fails ("mount error(22): Invalid argument") [not found] ` <4E52988A.8080103-/hMagybUd5GoYr4blSSd5g@public.gmane.org> @ 2011-08-22 19:49 ` Shirish Pargaonkar 0 siblings, 0 replies; 5+ messages in thread From: Shirish Pargaonkar @ 2011-08-22 19:49 UTC (permalink / raw) To: Till Dörges; +Cc: linux-cifs On Mon, Aug 22, 2011 at 12:57 PM, Till Dörges <doerges-/hMagybUd5GoYr4blSSd5g@public.gmane.org> wrote: > On 22.08.2011 19:33, Shirish Pargaonkar wrote: > >> smb.conf options look fine. I will have to spend some time on this. >> But sec=ntlmv2/i works against a Windows server just fine, so something needs >> to changed to make it work against Samba server, some bit in flags or >> flags2 field in cifs/smb header perhaps. > > For the sake of completeness. I just updated the Samba server from 3.5.4 to 3.6.0, > but the behavior with sec=ntlmv2 (not working) and sec=ntlmssp (working) stays the same. > > If there's any information I can provide please let me know. > > Regards -- Till > -- > Dipl.-Inform. Till Dörges doerges@pre-sense.de > Tel. +49 - 40 - 244 2407 - 14 > Fax +49 - 40 - 244 2407 - 24 > PRESENSE Technologies GmbH Sachsenstr. 5, D-20097 HH > USt-IdNr.: DE263765024 > Geschäftsführer/Managing Directors AG Hamburg, HRB 107844 > Till Dörges Jürgen Sander Axel Theilmann > sec=ntlmv2i works against Windows 2003 server. Does not work against Windows 7, Windows 2008 server, and Samba. sec=ntlmssp/i which uses ntlmv2, works against all of the above listed servers. Looking into it. ^ permalink raw reply [flat|nested] 5+ messages in thread
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[not found] ` <4E527F5C.1090205-/hMagybUd5GoYr4blSSd5g@public.gmane.org>
2011-08-22 16:28 ` [Samba] mount.cifs with "sec=ntlmv2" fails ("mount error(22): Invalid argument") Shirish Pargaonkar
[not found] ` <CADT32eKLjbuUjY1=PS9Pqa5zWnHNcCcouzPHmTo3s+QO-9iQ4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-08-22 17:01 ` Till Dörges
[not found] ` <4E528B56.5070301-/hMagybUd5GoYr4blSSd5g@public.gmane.org>
2011-08-22 17:33 ` Shirish Pargaonkar
[not found] ` <CADT32eKhcCtNhi2Vd0xwnDR2ZrhMGbX2u-DE3Z3r5awwmd4dTw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-08-22 17:57 ` Till Dörges
[not found] ` <4E52988A.8080103-/hMagybUd5GoYr4blSSd5g@public.gmane.org>
2011-08-22 19:49 ` Shirish Pargaonkar
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