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Re: Easy configuration of a site-lisp directory

From: Arthur Miller
Subject: Re: Easy configuration of a site-lisp directory
Date: Sat, 21 Aug 2021 22:25:11 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Arthur Miller <arthur.miller@live.com>
>> Cc: monnier@iro.umontreal.ca,  philipk@posteo.net,  emacs-devel@gnu.org
>> Date: Sat, 21 Aug 2021 21:10:22 +0200
>> > If the symlink resolution is done below the level where access rights
>> > are checked, you cannot do that.
>> Which means we can leak access rights if we symlink from priviledged
>> ring into lesser access right ring, or how they call it?
> Something like that, yes.  I think the problem is actually in knowing
> which inheritable access right to apply, because a symlink can point
> to a completely different directory hierarchy.
>> > Symlinks are not removed from Windows, they are present (and Emacs on
>> > Windows supports them).
>> Oh sorry for the last, my brain was on the vacation, "removed" I meant
>> from original design ... back in VMS/VAX time I was still in thoughts of
>> another replay. As I understand they added symlinks "relatively"
>> recently (in Vista), but I maybe missunderstood there.
> Yes, NTFS support for symlinks is around Vista, although filesystem
> reparse points were supported before that.

Thank you.

As always I am amazed with all the (technical) knowledge you poses. We should
definitely pay you to write a book; for the greater good of human race!

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