Re: [PATCH] cifs: reinstate sec=ntlmv2 mount option

["Günter Kukkukk" <linux-KQewbsS9MvBBDgjK7y7TUQ@public.gmane.org>]

Am Dienstag, 24. Juli 2012, 03:47:30 schrieb Steve French:
> probably could alias this (sec=ntlmv2) in mount.cifs as well if we
> need a fast fix without kernel update.
> 
> On Mon, Jul 23, 2012 at 7:34 PM, Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> wrote:
> > sec=ntlmv2 as a mount option got dropped in the mount option overhaul.
> > 
> > Cc: Sachin Prabhu <sprabhu-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> > Cc: <stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> # 3.4+
> > Reported-by: Günter Kukkukk <linux-KQewbsS9MvBBDgjK7y7TUQ@public.gmane.org>
> > Signed-off-by: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> > ---
> > 
> >  fs/cifs/connect.c |    9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> > 
> > diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> > index e8c3e6b..a675b7f 100644
> > --- a/fs/cifs/connect.c
> > +++ b/fs/cifs/connect.c
> > @@ -238,8 +238,8 @@ static const match_table_t cifs_mount_option_tokens =
> > {
> > 
> >  enum {
> >  
> >         Opt_sec_krb5, Opt_sec_krb5i, Opt_sec_krb5p,
> >         Opt_sec_ntlmsspi, Opt_sec_ntlmssp,
> > 
> > -       Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2i,
> > -       Opt_sec_nontlm, Opt_sec_lanman,
> > +       Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2,
> > +       Opt_sec_ntlmv2i, Opt_sec_lanman,
> > 
> >         Opt_sec_none,
> >         
> >         Opt_sec_err
> > 
> > @@ -253,8 +253,9 @@ static const match_table_t cifs_secflavor_tokens = {
> > 
> >         { Opt_sec_ntlmssp, "ntlmssp" },
> >         { Opt_ntlm, "ntlm" },
> >         { Opt_sec_ntlmi, "ntlmi" },
> > 
> > +       { Opt_sec_ntlmv2, "nontlm" },
> > +       { Opt_sec_ntlmv2, "ntlmv2" },
> > 
> >         { Opt_sec_ntlmv2i, "ntlmv2i" },
> > 
> > -       { Opt_sec_nontlm, "nontlm" },
> > 
> >         { Opt_sec_lanman, "lanman" },
> >         { Opt_sec_none, "none" },
> > 
> > @@ -1167,7 +1168,7 @@ static int cifs_parse_security_flavors(char *value,
> > 
> >         case Opt_sec_ntlmi:
> >                 vol->secFlg |= CIFSSEC_MAY_NTLM | CIFSSEC_MUST_SIGN;
> >                 break;
> > 
> > -       case Opt_sec_nontlm:
> > 
> > +       case Opt_sec_ntlmv2:
> >                 vol->secFlg |= CIFSSEC_MAY_NTLMV2;
> >                 break;
> >         
> >         case Opt_sec_ntlmv2i:
> > --
> > 1.7.10.4

on IRC Jeff already mentioned "sec=nontlm" as a current workaround.
The complaining user (not being able to use sec=ntlmv2) reported
success using that workaround (obviously).

So i think, mount.cifs should never ever been overloaded with
another alias.

Cheers, Günter

Btw - how is the "man" page updated at
   http://www.samba.org/samba/docs/man/manpages-3/mount.cifs.8.html
seems to be not uptodate