From: Demi Obenour <demiobenour@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 19350@debbugs.gnu.org, Noam Postavsky <npostavs@users.sourceforge.net>
Subject: bug#19350: #19350 24.4; Incorrect quoting of %-signs for Windows command shell
Date: Wed, 17 Aug 2016 22:02:55 -0400 [thread overview]
Message-ID: <CAJEMUN86xBezjzT4_jcE8kfemH=v87Rhf+d0hLwz2u_vTnoVUw@mail.gmail.com> (raw)
In-Reply-To: <83twemf550.fsf@gnu.org>
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But *nix has no such feature, nor the associated gotcha.
On Aug 15, 2016 11:01 AM, "Eli Zaretskii" <eliz@gnu.org> wrote:
> > From: npostavs@users.sourceforge.net
> > Date: Sun, 14 Aug 2016 23:13:43 -0400
> > Cc: 19350@debbugs.gnu.org
> >
> > Hmm, maybe we could fix this by making Emacs refuse to apply environment
> > variables with names ending in carets?
>
> I'm very much against disallowing perfectly valid (if rare) use cases
> just because someone malicious can take advantage of that.
>
> From my POV, as long as Emacs itself doesn't produce such shell
> commands and/or environment variables for any of its features,
> avoiding this becomes user's responsibility, just like when working at
> the shell prompt. Of course, if we can find a reliable solution to
> the problem that doesn't take away features, that'd be better, but
> failing that, I'm okay with leaving this alone, perhaps documenting
> somewhere that using % in shell commands when there are environment
> variables ending in ^ could produce surprising results.
>
> Thanks.
>
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next prev parent reply other threads:[~2016-08-18 2:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-11 18:43 bug#19350: 24.4; Incorrect quoting of %-signs for Windows command shell Demetrios Obenour
2016-08-10 13:00 ` bug#19350: #19350 " Noam Postavsky
2016-08-10 16:11 ` Eli Zaretskii
2016-08-11 23:11 ` Demi Obenour
2016-08-12 0:41 ` npostavs
[not found] ` <CAJEMUN_nkRgwCF7h03x=_jdHDLGqC+DBk0=3NNJhZTx5woW8gg@mail.gmail.com>
[not found] ` <CAJEMUN-HMMJu1FTDrKEmn_8nOaMhDeE8Te2JuE7jVdvuqLtbNQ@mail.gmail.com>
2016-08-15 0:44 ` Demi Obenour
2016-08-15 3:13 ` npostavs
2016-08-15 15:01 ` Eli Zaretskii
2016-08-18 2:02 ` Demi Obenour [this message]
2016-08-18 2:21 ` Noam Postavsky
2016-08-18 11:54 ` Demi Obenour
2016-08-18 12:07 ` Noam Postavsky
2016-08-18 14:17 ` Eli Zaretskii
2016-10-03 18:47 ` Noam Postavsky
2016-10-03 19:15 ` Eli Zaretskii
[not found] ` <CAJEMUN9xcizd9rNYiZueg4gjRAcPxh4V_JZdaSt5jr-P4LRe-A@mail.gmail.com>
2016-10-03 19:38 ` Demi Obenour
2018-02-09 0:17 ` Noam Postavsky
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