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SubjectRe: Thinking outside the box on file systems

--- alan <> wrote:

> On Tue, 14 Aug 2007, Marc Perkel wrote:
> > For example. If you list a directory you only see
> the
> > files that you have some rights to and files where
> you
> > have no rights are invisible to you. If a file is
> read
> > only to you then you can't delete it either.
> Having
> > write access to a directory really means that you
> have
> > file create rights. You can also delete files that
> you
> > have write access to. You would also allocate
> > permissions to manage file rights like being able
> to
> > set the rights of inferior users.
> Imagine the fun you will have trying to write a file
> name and being told
> you cannot write it for some unknown reason.
> Unbeknownst to you, there is
> a file there, but it is not owned by you, thus
> invisible.
> Making a file system more user oriented would avoid
> little gotchas like
> this. The reason it is "programmer oriented" is
> that those are the people
> who have worked out why it works and why certain
> things are bad ideas.

That not a problem - it's a feature. In such a
situation the person would get a general file creation
error. Although it isn't likely people would structure
files with invisible files in directories that the
user has create permissions it is logical that if I
put a file in a place where the user has no rights I
want it to stay there. Currently the user can delete
files where they have no rights.

I might also want to restrict the kind of a user can
createor give permission to create only certian file

/etc/vz/conf/*.conf - create - readonly - self-rw
/etc/vz/conf - deny

This would allow the user to read all *.conf files,
create new *.conf files, and full permissions to
read/write/delete files that the user created but not
files that others created. If listing a directory then
only the *.conf files would appear even if other files
are in the directory.

Marc Perkel
Junk Email Filter dot com

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