Re: Samba: smbfs works, cifs does not

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Am Donnerstag, den 20.04.2006, 17:57 -0700 schrieb Joe Barnett:
> James Wilkinson wrote:
> > Joe Barnett wrote:
> >> Server config: OpenBSD 3.8 using Samba 3.0.13p0 from ports
> >>
> >> Workstation(s): FC5 and FC4
> >>
> >> When using cifs (FC4 and 5) the resources will mount but I do not have access 
> >> to the directories.  When using smbfs (FC4) I *do* have access to the 
> >> directories.  However, root (on the workstation/cifs/FC4 and 5) has all the 
> >> expected access to the same directories.  The directories in question
> >> are users homes, and on the server they are given tight permissions
> >> (0700).
> >>
> >> The directories are mounted at startup:
> >>
> >> mount -t cifs //some/share /mnt/share -o 
> >> rw,user=joe,password=xxxxxxx,uid=joe,gid=joe
> >>
> >> (all on a single line...)
> > 
> > man mount.cifs says, for both uid and gid:
> >     This parameter is ignored when the target server supports the CIFS
> >     Unix extensions.
> > 
> > So what are these CIFS Unix extensions?
> > 
> > Basically, they allow CIFS (initially designed around DOS/Windows-type
> > filesharing) to handle Unix stuff like device nodes, symlinks, inode
> > numbers, and group and user IDs. And yes, both Linux 2.6 (as a client)
> > and recent Samba support these.
> > 
> > I suspect that you're running into issues where the UID *numbers* are
> > different on the server and on the clients. Unfortunately, there doesn't
> > seem to be an easy way around changing the UID numbers on the client...
> > 
> > You may want to look again at integrated logins using something like
> > LDAP.
> > 
> > This is a reasonable starting point for more information:
> > http://sambaxp.org/uploads/media/08-Jeremy_Allison_-_CIFS_to_the_Desktop.pdf
> > 
> > Hope this helps,
> > 
> > James.
> > 
> 
> This problem has taken some time to be solved, but I found the 
> answer in a related post just a few days ago (I apologize, I did not 
> keep that particular piece of mail...).  The solution, in my case, 
> is to set "unix extensions = no" in smb.conf.
> 
> In this case, as it is a mixed network (BSD, Linux, and (mostly) 
> Windows workstations), trying to maintain unix-like permissions 
> would prove difficult at best -- so this is acceptable.  Ownership 
> provides a minimum of protection to keep non-owners from deleting 
> files from public shares, and that is about all that is needed. 
> Otherwise, personal directories and such are used primarily for 
> workstation backup (with those directories being 0700 on the server).
> 
>  From what I can tell, uid and gid had no effect on behaviour -- for 
> me they match between my workstation and server, though for other 
> users they do not (I administer the servers...), but the behaviour 
> has been consistent for all users.
> 
> Thanks,
> 
> Joe
> 

btw. IMHO it is mount -t cifs -o username=user and not -o user

HTH
Roger


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