Date: Sat, 14 Jan 2006 13:10:13 GMT From: Ceri Davies <ceri@submonkey.net> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/91762: Adding a user named ".." Message-ID: <200601141310.k0EDADmq004620@freefall.freebsd.org>
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The following reply was made to PR bin/91762; it has been noted by GNATS. From: Ceri Davies <ceri@submonkey.net> To: Werner GarcXa <werner@osi.net> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: misc/91762: Adding a user named ".." Date: Sat, 14 Jan 2006 13:08:05 +0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --Apple-Mail-2-23095973 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed On 13 Jan 2006, at 17:09, Werner GarcXa wrote: > > My question is: > > Why can one add a user named "." or ".." with all the problems that > this can cause? a) There is no way to stop you b) UNIX generally gives you enough rope to hang yourself, should you really want to. More importantly, what problems does it cause? Perhaps we can fix them elsewhere, > Modify the user creation mechanisms to disable the use of user > names ".", ".." and other critical symbols that have meaning to the > operating system. Aye, there's the rub. Ceri --Apple-Mail-2-23095973 content-type: application/pgp-signature; x-mac-type=70674453; name=PGP.sig content-description: This is a digitally signed message part content-disposition: inline; filename=PGP.sig content-transfer-encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (Darwin) iD8DBQFDyPe2me8yCsQvJJ0RAlmJAKC0liS0gx7UISpQCzXaaPBcnwygkgCgn1SK nF7ycXF3hF1w0Q8tKcDYdHA= =DMmV -----END PGP SIGNATURE----- --Apple-Mail-2-23095973--
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