Date: Sat, 2 Oct 2004 14:50:55 -0400 From: David Schultz <das@FreeBSD.ORG> To: Michael Reifenberger <mike@Reifenberger.com> Cc: Giorgos Keramidas <keramida@FreeBSD.ORG> Subject: Re: Protection from the dreaded "rm -fr /" Message-ID: <20041002185055.GA1029@VARK.MIT.EDU> In-Reply-To: <20041002102918.W22102@fw.reifenberger.com> References: <20041002081928.GA21439@gothmog.gr> <20041002102918.W22102@fw.reifenberger.com>
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On Sat, Oct 02, 2004, Michael Reifenberger wrote: > On Sat, 2 Oct 2004, Giorgos Keramidas wrote: > > >Date: Sat, 2 Oct 2004 11:19:28 +0300 > >From: Giorgos Keramidas <keramida@freebsd.org> > >To: freebsd-hackers@freebsd.org > >Subject: Protection from the dreaded "rm -fr /" > > > >John Beck, who works for Sun, has posted an entry in his blog yesterday > >about "rm -fr /" protection, which I liked a lot: > >http://blogs.sun.com/roller/page/jbeck/20041001#rm_rf_protection > > > >His idea was remarkably simple, so I went ahead and wrote this patch for > >rm(1) of FreeBSD: > > > > This does only help for the obvious case of '/' but not for the > './' and '../' or '../../' ... accidents. > > Furthermore does it prevent root from doing `rm -rf /` which is a pretty > legal operation for root since he knows what he is doing. > > This is UNIX, not Windows. Do you also want to be able to swap to the root partition while it's mounted? We can bring back that feature, too. But personally, I don't see anything wrong with the view that operations that are guaranteed to shoot people in the foot should be disallowed.
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