Hi Manu,
On Fri, 16 Feb 2007, Manu wrote:
> > > The latest version of ntfs-3g is supposed to make "full file permission
> > > checking", but I have not found any description of what this is supposed
> > > to mean. There is not obvious answer as the file permission logic is not
> > > the same for Windows and Linux. I suggest you give some information about
> > > it in the ntfs-3g FAQ.
> >
> > It's described in the manual. You can use uid, gid and the mask options to
> > set the default permissions which will be __checked__ but can't be
> > __modified__ since no Win <-> Linux user mapping, and no permission
> > modification is implemented.
I've updated the manual in the CVS:
Access handling, security
By default, files and directories are owned by the effective user and
group of the mounting process and everybody has full read, write, exe-
cution and directory browsing permissions. If you want to use permis-
sions handling then use the uid and/or the gid options together with
the umask, or fmask and dmask options.
Windows users have full access to the files created by ntfs-3g.
If ntfs-3g is set setuid-root then non-root users will be also able to
mount block devices or via /etc/fstab if the 'user' or 'users' mount(8)
option is specified. The ntfs-3g process drops the root priviledge
after successful mount and runs unpriviledged afterwards.
> Bad news. I was not expecting any emulation of the Windows ACLs, but
> only a basic service for making file read-only to their owner (accepting
> that the ownership must have a different meaning for Windows and Linux)
>
> Do you mean that this is out of reach even for future versions ?
No. Everything is possible, it's just a matter of time and willingness.
Since the code is freely available hence anybody could add this feature
anytime.
At the moment the focus is on general usability. Most people use NTFS as
a FAT32 replacement to be able to better share by overcoming size limits,
having better performance, reliability and since FAT32 doesn't have ACLs
thus this feature isn't typically missed.
Regards,
Szaka
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