From: "Sascha Retzki" <sretzki@gmx.de>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] group permission
Date: Sun, 30 Jul 2006 15:06:31 +0200 [thread overview]
Message-ID: <ccc3a29e1d9f84a8c55dfec40d690574@mail.gmx.net> (raw)
In-Reply-To: <91D038E8-828E-451C-A069-265FF382D7D5@ar.aichi-u.ac.jp>
> Is there any problem if alice can
> chgrp bob foo
> even if she is not a member of bob?
>
On unix you got +s-bits, so a cool way for a rootshell is to setuid a copy of /bin/sh and make a nice present to Mr. root ;) - Plan9 got neither root nor +s, so I don't see a problem.
(Of course, you must be the owner of that file to make chgrp, elsewise, the model breaks.)
> Kenji Arisawa
next prev parent reply other threads:[~2006-07-30 13:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-30 12:47 arisawa
2006-07-30 13:06 ` Sascha Retzki [this message]
2006-07-30 15:40 ` Skip Tavakkolian
2006-07-30 18:25 ` csant
2006-07-30 19:39 ` Russ Cox
2006-07-30 21:18 ` arisawa
2006-07-30 22:07 ` Russ Cox
2006-07-30 22:12 ` Rob Pike
2006-07-31 3:35 ` Skip Tavakkolian
2006-07-31 14:37 ` Russ Cox
2006-07-31 22:17 ` arisawa
2006-07-31 15:04 ` Victor Nazarov
2006-07-31 15:34 ` Wes Kussmaul
2006-07-31 20:37 Sascha Retzki
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