Re: Patch: initdb: "'" for QUOTE_PATH (non-windows)

From: Andres Freund <andres(at)anarazel(dot)de>
To: Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
Cc: Ryan Murphy <ryanfmurphy(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Patch: initdb: "'" for QUOTE_PATH (non-windows)
Date: 2016-08-18 00:41:58
Message-ID: 20160818004158.tpxvevdpo63a3sui@alap3.anarazel.de
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On 2016-08-18 09:14:44 +0900, Michael Paquier wrote:
> On Thu, Aug 18, 2016 at 12:21 AM, Ryan Murphy <ryanfmurphy(at)gmail(dot)com> wrote:
> > I have created a better patch (attached) that correctly escapes the shell
> > arguments using PQExpBufferStr and the appendShellString function, as per
> > Michael and Andres' suggestions.
> >
> > Further suggestions welcome of course.
>
> As far as I know, it is perfectly possible to have LF/CR in a path
> name (that's bad practice btw...), and your patch would make initdb
> fail in such cases. Do we want to authorize that?

I think that's actually a good thing to forbid.

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