Mailinglist Archive: opensuse (3831 mails)

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Re: [opensuse] Re: This is OT, but you guys are gonna love this one!!
  • From: Paul Abrahams <abrahams@xxxxxxx>
  • Date: Sun, 14 Jan 2007 14:50:45 -0500
  • Message-id: <200701141450.45755.abrahams@xxxxxxx>
On Saturday 13 January 2007 5:04 am, Anders Johansson wrote:
> On Saturday 13 January 2007 03:51, Greg Freemyer wrote:
> > program, allowing Ken Thompson to access any UNIX system. The scheme
> > was so fiendish that if you tried remove the back-door generating code
> > from the source code and recompile the compiler, the compiler would
> > reintroduce the back door generation into the source code!
>
> Well, the code wasn't in the released source version. The compiler
> recognised when it was compiling itself, and inserted the code at the
> proper place.
>
> If it had been in the released source, there would have been an uproar
> about it
>
> btw, if you're googling for it, google the archives of this list. I've
> mentioned this hack a few times, along with a link to the speech.

The reference to "source code" in the first paragraph almost certainly should
have been to "object code" -- just a slip of the keyboard. The slip appears
in the Google reference and wasn't introduced by anyone on this list.

Paul

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