Craig White wrote:
> On Sat, 2009-03-07 at 08:10 -0700, Eric Shubert wrote:
>> Craig White wrote:
>>> I would suspect that the version isn't as important here as making sure
>>> that the filesystem is mounted with extended attributes.
>>>
>> Here's the pertinent part of my smb.conf:
>> map archive = no
>> map hidden = no
>> map read only = no
>> map system = no
>> store dos attributes = yes
>>
>> Here is the fstab entry:
>> /dev/VolGroup00/LogVol00 / ext3 defaults,user_xattr 1 1
>>
>> Any idea what is or might be wrong with the configuration?
> ----
> from the man page of smb.conf...
>
> under 'map read only'
> If store dos attributes is set to yes then this parameter is ignored.
> This is a new parameter introduced in Samba version 3.0.21.
>
> It seems to me that the upgrade of versions has nothing to do with this
> issue.
>
> under store dos attributes (S)
>
> If this parameter is set Samba attempts to first read DOS attributes
> (SYSTEM, HIDDEN, ARCHIVE or READ-ONLY) from a filesystem extended
> attribute, before mapping DOS attributes to UNIX permission bits (such
> as occurs with map hidden and map readonly). When set, DOS attributes
> will be stored onto an extended attribute in the UNIX filesystem,
> associated with the file or directory. For no other mapping to occur as
> a fall-back, the parameters map hidden, map system, map archive and map
> readonly must be set to off. This parameter writes the DOS attributes as
> a string into the extended attribute named "user.DOSATTRIB". This
> extended attribute is explicitly hidden from smbd clients requesting an
> EA list.
> On Linux the filesystem must have been mounted with the mount option
> user_xattr in order for extended attributes to work, also extended
> attributes must be compiled into the Linux kernel.
> Default: store dos attributes = no
>
> I gather that with store dos attributes set to yes, then a file on Linux
> would appear to be something like rwxrwxr_x (depending upon your create
> mask) but the dos attribute itself is read only. I think that if the
> file is copied as r_xr_xr_x then the dos attribute setting is probably
> not going to help.
>
> Your configuration seems reasonable to me. There are a couple of things
> I would check. The first thing I would probably do is up the log level
> to 10 to get an extremely verbose log of the error which may present a
> clue. The second thing I would check is renaming a 'read only' file from
> other standard types of Windows programs such as the Windows Explorer
> and perhaps the dos rename utility because I wonder if the cygwin rsync
> actually respects the dos attributes.
>
> Craig
>
I should have mentioned that I did test other windows ways of renaming,
both to local and samba files.
.) explorer rename of non-readonly local file just does it
.) explorer rename of readonly local file gives warning, then does it
.) ren command of non-readonly local file just does it
.) ren command of readyonly local file just does it
.) explorer rename of non-readonly smb file just does it
.) explorer rename of readonly smb file gives warning, then does it
.) ren command of non-readonly smb file just does it
.) ren command of readonly smb file fails "permission denied"
Thanks for the idea on logging, I'll try that and see what it gives.
--
-Eric 'shubes'
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