Mail Archives: cygwin-developers/1998/09/18/11:53:20
On Fri, Sep 18, 1998 at 09:28:57AM -0500, Parker, Ron wrote:
>While, I like the idea of using extended attributes on NTFS and an
>"index file" on FAT partitions and under Windows 9[58], I see a
>potential problem with this scheme.
>
>In a network environment this could lead to inconsistent information.
>Here is how:
>
>If an NT machine shares a writable directory on an NTFS partition, the
>files in this directory would have extended attibutes, EAs. If this
>share is then accessed from a Windows 9x machine, it would not have
>access to the EAs. This machine could then attempt to create index file
>that might have information that did not match the EAs.
Good point. I hadn't considered that.
Does anyone know if there is any "slop" in the directory entries for
VFAT that would allow us to shove some extra information in?
>While writing this a simple solution to this situation came to mind.
>
>If a Windows 9x machine accesses a share that contains an index file, it
>may use and even modify the index file. Obviously if we allow index
>files to be modified remotely, they can not be cached locally. Either
>way, they should never be cached remotely because the serving machine
>can still the index file them.
So, if a Windows 9x machine accesses an NTFS partition over the net,
it will never see the "UNIX permissions" that are associated with the
directory? Hmm.
>This is not an issue with NT machines because the EAs are available over
>the network.
Does anyone know if EA is available from Samba? I seem to recall that this
was coming up at some point but I don't remember if it is in recent releases.
-chris
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