At Mon, 22 Jan 2007 10:20:21 -0500,
[email protected] wrote:
> On Mon, 22 Jan 2007 02:23:30 +0300, Samium Gromoff said:
> >
> > not "core-dumps" but "core files", in the lispspeak, but anyway.
> >
> > the reason is trivial -- if i can write programs enjoying setuid
> > privileges in C, i want to be able to do the same in Lisp.
>
> Go read up on how the XEmacs crew designed their "portable dumper",
> specifically to get around a lot of these sorts of problems because the
> old Emacs 'unexec' code was incredibly fragile.
I should take the freedom to respond in your manner :-)
Are you saying that the usefulness of AS randomisation is
overall exceeding that of MAP_FIXED, and the latter should be
abolished?
Did we silently enter an era where support for buggy software
is more important than a basic mmap feature?
> > the only way to achieve this i see, is to directly setuid root
> > the lisp system executable itself -- because the lisp code
> > is read, compiled and executed in the process of the lisp
> > system executable.
>
> If that's the only way you can see to do it, maybe you should think a
> bit harder before making kernel hacks to do something.
I want equal grounds for platforms, that`s all.
regards, Samium Gromoff
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