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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 21:10:22 +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 16:34:34 +0200
>>
>> I understand they consider it a security issue, but I don't understand
>> why. Couldn't they apply same rules to symlinked file access as if the
>> access was direct?
>
> 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? Or I missunderstand.
> Also, the ACL system on Windows is very complex, and there are a lot
> of access rights inherited indirectly, so maybe there's more to it
> than meets the eye. Like I said, I'm not an expert on this stuff.
>> Bit I guess Microsoft has acquired quite clever
>> people so they have their reasons. I don't think they removed symlinks
>> just because, for no good reason.
>
> 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.
- Re: Easy configuration of a site-lisp directory, (continued)
- Re: Easy configuration of a site-lisp directory, Arthur Miller, 2021/08/20
- Re: Easy configuration of a site-lisp directory, Eli Zaretskii, 2021/08/21
- Re: Easy configuration of a site-lisp directory, tomas, 2021/08/21
- Re: Easy configuration of a site-lisp directory, Eli Zaretskii, 2021/08/21
- symlinks and W32 [was: Easy configuration of a site-lisp directory], tomas, 2021/08/21
- Re: symlinks and W32 [was: Easy configuration of a site-lisp directory], Arthur Miller, 2021/08/21
- Re: symlinks and W32 [was: Easy configuration of a site-lisp directory], Eli Zaretskii, 2021/08/21
- Re: symlinks and W32 [was: Easy configuration of a site-lisp directory], Arthur Miller, 2021/08/21
- Re: Easy configuration of a site-lisp directory, Arthur Miller, 2021/08/21
- Re: Easy configuration of a site-lisp directory, Eli Zaretskii, 2021/08/21
- Re: Easy configuration of a site-lisp directory,
Arthur Miller <=
- Re: Easy configuration of a site-lisp directory, Eli Zaretskii, 2021/08/21
- Re: Easy configuration of a site-lisp directory, Arthur Miller, 2021/08/21
- Re: Easy configuration of a site-lisp directory, Eli Zaretskii, 2021/08/22
- Re: Easy configuration of a site-lisp directory, Philip Kaludercic, 2021/08/25
- Re: Easy configuration of a site-lisp directory, Arthur Miller, 2021/08/25
- Re: Easy configuration of a site-lisp directory, Philip Kaludercic, 2021/08/26
- Re: Easy configuration of a site-lisp directory, Arthur Miller, 2021/08/26
Re: Easy configuration of a site-lisp directory, Augusto Stoffel, 2021/08/20
Re: Easy configuration of a site-lisp directory, Max Brieiev, 2021/08/23