Re: ntsec: changing the everyone user

["Chris Rodgers" <cygwin@bulk.rodgers.org.uk>]

> On Mon, Sep 15, 2003 at 05:35:20PM +0100, Chris Rodgers wrote:
> > OK. Here is an example of the way permissions leak out to "Everyone". I
> > create a new file, with no permissions granted to "other". Cygwin shows
this
> > to have worked OK. Yet in actual fact there is an ACL there giving
Everyone
> > some access rights. I usually choose not to have "Everyone" authorised
to do
> > anything on my Windows NT/2000 boxes, using Authorised Users instead.
This
> > way, without a valid login, you cannot get any information, including
> > usernames and ACLs.
> >
> > How can I stop cygwin setting these ACLs?
>
> Did you have a close look to the access rights granted to everyone?
> Otherwise, just don't use ntsec.
>
> Corinna
>
> > [...]
> >                 Everyone:(special access:)
> >                          READ_CONTROL
> >                          FILE_READ_EA
> >                          FILE_READ_ATTRIBUTES
>

For the archives (NOT for release :-)), I think that a quick hack is to
redefine well_known_world_sid in src/winsup/cygwin/sec_helper.cc to be
"S-1-5-11" instead of "S-1-1-0". This refers to the "Authorized Users"
well-known group, instead of to "Everyone".

Chris.


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/