samba4 and unix extensions

[Andrew Bartlett]

On Fri, 2010-09-17 at 12:25 -0400, Aaron Solochek wrote:
> Up until now I've only been using my samba4 server to serve to windows clients,
> which seems to be working perfectly.
> 
> However, I finally got around to trying to setup my linux workstation to work
> with the samba server, and have discovered if I try to mount a share it fails
> either with "permission denied" or "cannot allocate memory" depending on whether
> or not I have the following lines enabled in smb.conf:
> 
> server max protocol = SMB2
> client max protocol = SMB2
> 
> Using wireshark the sessions look the same either way.
> 
> SMB Trans2 Request, QUERY_FS_INFO, Query FS Device Info
> SMB Trans2 Response, QUERY_FS_INFO
> SMB Trans2 Request, QUERY_FS_INFO, Query FS Attribute Info
> SMB Trans2 Response, QUERY_FS_INFO
> SMB Trans2 Request, QUERY_FS_INFO, Unix Query FS Info
> SMB Trans2 Response, QUERY_FS_INFO, Error: STATUS_INVALID_LEVEL
> SMB Trans2 Request, QUERY_PATH_INFO, Query File Unix Basic, Path:
> SMB Trans2 Response, QUERY_PATH_INFO, Error: STATUS_INVALID_LEVEL
> SMB Tree Disconnect Request
> 
> If I disable unix extensions either in the server, or with an option to
> mount.cifs, I am able to mount the path, but I then run into all sorts of
> permissions problems.
> 
> Also the linux computer is joined to the domain, net join didn't create a
> krb5.keytab or anything, so I'm not sure that being joined really means much.
> 
> Should I be able to use unix extensions with samba4, or is that not yet implemented?

No, unix extensions are not expected to work with Samba4 at this time.
This is one of the many reasons why we are working to consolidate around
a single file server, rather than reimplement this.  However, this will
take time.

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Cisco Inc.
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