X-Recipient: archive-cygwin AT delorie DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F33A63858439
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1707498203;
	bh=sAA7y2rBjpUel/8yXO9mOQNqHDc+OZbNKskiDBQ/RZ0=;
	h=Date:To:Subject:References:In-Reply-To:List-Id:List-Unsubscribe:
	 List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:
	 From;
	b=pwG4XIRqJAgWgu+b3iHI2+fQvAfgan0I7QXYfRBW6lVAGwA/W6QUfyQY6l3tCFHjU
	 VN9beTPw3qBmBzA8zCTiUT3NSvqyXZI2pM88+SsdbmcLXWZ6fk1JEgJlCrpeIPpRPb
	 4UL6Xuz2zyyHCAwMbFACHHgbK6M35zzJ/ZP2ZQSM=
X-Original-To: cygwin AT cygwin DOT com
Delivered-To: cygwin AT cygwin DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6C5C73858D3C
Date: Fri, 9 Feb 2024 18:02:23 +0100
To: cygwin AT cygwin DOT com
Subject: Re: Updated: setup (2.930)
Message-ID: <ZcZan_0kb3v_Y-jG@calimero.vinschen.de>
Mail-Followup-To: cygwin AT cygwin DOT com
References: <6a25c776-98bb-4240-8a57-7081324c5a05 AT dronecode DOT org DOT uk>
 <23db00778577ab0853fe1026befb9fe8 AT kylheku DOT com>
 <3391e2e4-da0e-4985-9ec3-a6639f497db9 AT dronecode DOT org DOT uk>
 <ZcZQ5v1Oabbop8XM AT calimero DOT vinschen DOT de>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <ZcZQ5v1Oabbop8XM@calimero.vinschen.de>
X-BeenThere: cygwin AT cygwin DOT com
X-Mailman-Version: 2.1.30
Precedence: list
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe: <https://cygwin.com/mailman/options/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe: <https://cygwin.com/mailman/listinfo/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From: Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
Reply-To: cygwin AT cygwin DOT com
Cc: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Errors-To: cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com
Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

On Feb  9 17:20, Corinna Vinschen via Cygwin wrote:
> On Feb  9 13:36, Jon Turney via Cygwin wrote:
> > On 09/02/2024 02:17, Kaz Kylheku via Cygwin wrote:
> > > 
> > > I see the commit: https://cygwin.com/cgit/cygwin-apps/setup/commit/?id=0122154811bacdd7dc042cff0c80bb0a36af360c
> > > 
> > > I'm curious, what improvement arises out of looking up the SetDefaultDllDirectories
> > > function dynamically in kernel32.dll?
> > > 
> > > Is it the case that malicious software can interpose itself somehow such that
> > > the statically linked SetDefaultDllDirectories call goes elsewhere other than
> > > kernel32.dll, which we can thwart by asking for the genuine article in kernel32.dll?
> > 
> > You're looking at the wrong commit there.
> > 
> > The dynamic lookup merely ensures that setup continues to work at all on
> > Windows versions (<6.0), which don't support that function.
> 
> Typo.  Windows < 6.2.  SetDefaultDllDirectories has been introduced with
> Windows 8.

...and with KB2533623 it was also backported to Vista, W7, and the
equivalent server versions, so just ignore me.

Corinna

-- 
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple