Re: DSO-style FFI

[Andy Moreton]

On Fri 18 Oct 2013, Ted Zlatanov wrote:

> On Sat, 12 Oct 2013 14:55:26 -0400 Stefan Monnier <address@hidden> 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.

Package signing is not really relevant here: knowing who signed a
package does not magically prevent emacs from crashing. If you want to
prevent crashes, then you need to isolate the third party code by
running it in a separate process.

    AndyM