FAT, NTFS, CIFS and DOS attributes

Michael B Allen mba2000 at ioplex.com
Mon Jan 3 23:48:41 GMT 2005


H. Peter Anvin said:
> Michael B Allen wrote:
>>
>>>b) if xattr is the right thing, shouldn't this be in the system
>>>namespace rather than the user namespace?
>>
>> If we're just thinking about MS-oriented discretionary access control
>> then
>> I think the owner of the file is basically king and should be the only
>> normal user to that can read and write it's xattrs. So whatever
>> namespace
>> that is (not system).
>>
>
> system namespace means that it's a name defined by the kernel as opposed
> to a name defined by the user.  One of the most glaring design errors in
> this whole thing, in my opinion, but if we're going to use xattrs we
> probably should stick with it.
>
> Thus, I'd propose:
>
> 	system.dosattrib	- DOS attributes (single byte)
> 	system.dosshortname	- DOS short name (e.g. for VFAT)

Oh, from the man page I thought 'system' attributes were "extended
attributes to which ordinary processes should not have access". Is that
not true? If it is true, how would an ordinary user change these attrs?

Mike


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