From: Stefan Monnier <monnier@iro.umontreal.ca>
To: emacs-devel@gnu.org
Subject: Re: DSO-style FFI
Date: Sat, 19 Oct 2013 10:41:08 -0400 [thread overview]
Message-ID: <jwvmwm6fwu3.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87eh7iogcv.fsf@flea.lifelogs.com> (Ted Zlatanov's message of "Fri, 18 Oct 2013 09:31:28 -0400")
>>>>> "Ted" == Ted Zlatanov <tzz@lifelogs.com> writes:
> On Sat, 12 Oct 2013 14:55:26 -0400 Stefan Monnier <monnier@IRO.UMontreal.CA> wrote:
>>> The problems I see are A) that it would be trivial to use such an
>>> interface to crash or subvert emacs from elisp,
SM> This is a fundamental property of anything that lets gives access to
SM> "any" library. DSO or FFI is in the same boat. IOW, if we really
SM> consider it as too dangerous, then we can't provide anything related to
SM> an FFI or dynamic loading of code.
> This is where package signing becomes important. We can require two
> signatures from two separate reviewers for high-risk packages.
>>> and B) that such a binding will allow people to write non-free
>>> extensions to Emacs in just the way that RMS has specifically stated
>>> that he would like to avoid.
SM> Presumably we can prevent it by checking (before loading the library)
SM> that the library is compatible with the GPL (following the scheme
SM> designed originally for gcc).
> This can be declared by the author in the packaging. Do we need to spend
> time on an elaborate scheme that can be trivially subverted? Or are
> there other concerns I'm not getting?
> Ted
next prev parent reply other threads:[~2013-10-19 14:41 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-06 9:15 GNU Emacs-libnettle-libhogweed integration patch v1 Ted Zlatanov
2013-10-06 9:58 ` bignum support in Emacs with libgmp (was: GNU Emacs-libnettle-libhogweed integration patch v1) Ted Zlatanov
2013-10-06 16:09 ` GNU Emacs-libnettle-libhogweed integration patch v1 Eli Zaretskii
2013-10-06 21:07 ` Ted Zlatanov
2013-10-06 16:51 ` Stefan Monnier
2013-10-06 16:58 ` Eli Zaretskii
2013-10-06 21:19 ` Ted Zlatanov
2013-10-07 4:02 ` Stefan Monnier
2013-10-07 11:41 ` Ted Zlatanov
2013-10-07 22:03 ` Ted Zlatanov
2013-10-07 22:58 ` Stefan Monnier
2013-10-07 23:43 ` Emacs crypto use cases (was: GNU Emacs-libnettle-libhogweed integration patch v1) Ted Zlatanov
2013-10-08 3:02 ` Emacs crypto use cases Stefan Monnier
2013-10-08 10:33 ` Ted Zlatanov
2013-10-08 13:17 ` Stephen J. Turnbull
2013-10-08 16:35 ` DSO-style FFI (was: Emacs crypto use cases) Stefan Monnier
2013-10-08 17:32 ` DSO-style FFI Tom Tromey
2013-10-08 19:42 ` Ted Zlatanov
2013-10-08 20:43 ` Tom Tromey
2013-10-09 23:21 ` Ted Zlatanov
2013-10-10 8:09 ` Andreas Schwab
2013-10-08 20:47 ` Davis Herring
2013-10-09 22:26 ` Ted Zlatanov
2013-10-09 23:52 ` Davis Herring
2013-10-10 1:25 ` Ted Zlatanov
2013-10-10 4:36 ` DSO-style DSOs (this is NOT an FFI!) Stephen J. Turnbull
2013-10-09 1:48 ` DSO-style FFI Stephen J. Turnbull
2013-10-09 2:40 ` Stefan Monnier
2013-10-12 15:34 ` Michael Welsh Duggan
2013-10-12 18:55 ` Stefan Monnier
2013-10-18 13:31 ` Ted Zlatanov
2013-10-19 14:41 ` Stefan Monnier [this message]
2013-10-19 15:08 ` Stefan Monnier
2013-10-19 17:33 ` Andy Moreton
2013-10-19 19:44 ` Ted Zlatanov
2013-10-12 23:36 ` Stephen J. Turnbull
2013-10-08 19:50 ` Ted Zlatanov
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