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Date:	Sun, 16 Jan 2005 22:02:12 -0500 (EST)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	Yitzchak Scott-Thoennes <sthoenna AT efn DOT org>
cc:	cygwin AT cygwin DOT com
Subject:	Re: Can "DLL's" & libraries be marked as non-executable?
In-Reply-To:	<20050117013942.GA3984@efn.org>
Message-ID:	<Pine.GSO.4.61.0501162201020.14154@slinky.cs.nyu.edu>
References:	<41E9D722 DOT 3010306 AT tlinx DOT org> <009001c4fba2$54223c20$e6ec6f83 AT robinson DOT cam DOT ac DOT uk> <41EAF139 DOT 6070102 AT tlinx DOT org> <41EAFB0B DOT 8080501 AT familiehaase DOT de> <20050117011343 DOT GE12175 AT trixie DOT casa DOT cgf DOT cx> <20050117013942 DOT GA3984 AT efn DOT org>
MIME-Version:	1.0

On Sun, 16 Jan 2005, Yitzchak Scott-Thoennes wrote:

> On Sun, Jan 16, 2005 at 08:13:43PM -0500, Christopher Faylor wrote:
> > On Mon, Jan 17, 2005 at 12:38:51AM +0100, Gerrit P. Haase wrote:
> > >>More to the point, what would "break" in the cygwin environment,
> > >
> > >Try to chmod 644 any dll and call a program that uses this dll.  This
> > >fails for me (on NT4 with NTFS), if it succeeds for you, fine.  Change
> > >the permissions as you like it;)
> >
> > I think what's being asked is that we make a special case for dlls so
> > that, even if the OS says they are executable, cygwin will not call them
> > executable.
>
> <pedant>
> But that's not possible without opening them; I can very well have
> a program file or script named foo.dll that I want to be exectutable.
> </pedant>

Very true.  Not only that, if this were in place and for some reason you
*did* get a real DLL without the "execute file" ACL, there would be no way
of either checking this or setting it via Cygwin means.
	Igor
-- 
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     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
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