Date: Fri, 23 Oct 2015 19:47:46 +0200 From: Michael Schuster <michaelsprivate@gmail.com> To: "Michael B. Eichorn" <ike@michaeleichorn.com> Cc: "O. Hartmann" <ohartman@zedat.fu-berlin.de>, freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: replace uname -a informational string Message-ID: <CADqw_g%2By=xpzvwk7k8oaC=%2Bdi_WJPBsMVbpgSasX2QchPD4OiQ@mail.gmail.com> In-Reply-To: <1445622325.1169.29.camel@michaeleichorn.com> References: <20151023090805.5484ce9b@freyja.zeit4.iv.bundesimmobilien.de> <1445622325.1169.29.camel@michaeleichorn.com>
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I seem to remember there's a trick using dtrace where you intercept the uname syscall/library call .. that was on Solaris, though, don't know how that would map onto FreeBSD. regards Michael On Fri, Oct 23, 2015 at 7:45 PM, Michael B. Eichorn <ike@michaeleichorn.com> wrote: > On Fri, 2015-10-23 at 09:08 +0200, O. Hartmann wrote: > > For security purposes, I need to replace the informations given by > > "uname -a" > > to hode the kernel build system, name et cetera. > > I presume you intendend 'hide' here? > > If you want to scrub a binaries of _all_ information about the building > system this is a problem Debian is actively working on called > 'reproducible builds' but is not possible today. > > https://reproducible.debian.net > > If you want to hide the hostname, why not just build with a different > hostname set? > > > > > Is there a way to achieve this via setting some knobs in the process of > > a > > buildkernel? > > > > Please CC me, I'm not subscriber of the list. > > > > Kind regards and thanks in advance, > > > > O. Hartmann > -- Michael Schuster http://recursiveramblings.wordpress.com/
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