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From: Eli Zaretskii <eliz@gnu.org>
To: Yuri D'Elia <wavexx@thregr.org>
Cc: emacs-devel@gnu.org
Subject: Re: Allowing symlinked dir-locals files?
Date: Mon, 16 Aug 2021 21:12:16 +0300	[thread overview]
Message-ID: <83o89x6yyn.fsf@gnu.org> (raw)
In-Reply-To: <8735r91d73.fsf@wavexx.thregr.org> (message from Yuri D'Elia on Mon, 16 Aug 2021 20:01:20 +0200)

> From: Yuri D'Elia <wavexx@thregr.org>
> Date: Mon, 16 Aug 2021 20:01:20 +0200
> 
> Looking at the current files.el:4330, we explicitly check if the file is
> a regular file. And looking at the FIXME comment just above I concur
> that checking just for file-directory-p should be sufficient for proper
> behavior.
> 
> However I suspect that the rationale was to be proper as well as "safe",
> as this could be used to make emacs read/interpret another file if the
> symlink is under the control of a VCS or via a shared-filesystem.

Yes.  It could also be a symlink injected by malevolent hackers.



  parent reply	other threads:[~2021-08-16 18:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-16 18:01 Allowing symlinked dir-locals files? Yuri D'Elia
2021-08-16 18:10 ` Stefan Monnier
2021-08-16 18:12 ` Eli Zaretskii [this message]
2021-08-16 18:25   ` Yuri D'Elia
2021-08-16 18:39   ` Andreas Schwab
2021-09-18 14:10     ` Yuri D'Elia

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