From: Alexander Viro viro@math.psu.edu
Subject: [9fans] Plan 9 future (Was: Re: Are the Infernospaces gone?)
Date: Tue, 9 May 2000 12:18:19 -0400 [thread overview]
Message-ID: <20000509161819.8LSArDOfEJ9jYgGOT4-esMfHWTiV85WVxesGlp9jowc@z> (raw)
On Tue, 9 May 2000 dhog@plan9.bell-labs.com wrote:
> viro@math.psu.edu writes:
> > Heh ;-) Three sets of patches before we get proper namespaces. Kernel
> > _does_ support everything needed right now, I'll just have to merge
> > union-mount patch and add a new flag to clone(2) (==rfork()). BTW, the
> > last set fed into the tree (hopefully to be there in pre7-7) includes the
> > equivalent of bind(2) and support for disjoint mount trees.
>
> How do you deal with the rather obvious security problems, eg:
>
> $ bind passwd /etc/passwd
> $ su - root
For bind you need either to be root or to have write permissions on
object you bind onto. Maybe it's too conservative - hell knows, I wanted
to put the variant that would not open obvious holes. We can relax it
later, but for now that should be OK.
next reply other threads:[~2000-05-09 16:18 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-05-09 16:18 Alexander [this message]
[not found] <200005052042.QAA06869@er7.rutgers.edu>
2000-06-12 10:09 ` Tom E Arnold
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2000-05-10 12:22 rob
2000-05-10 10:17 Lucio
2000-05-10 9:49 Lucio
2000-05-10 8:51 Noel
2000-05-10 8:51 Douglas
2000-05-09 17:53 Alexander
2000-05-09 17:14 Alexander
2000-05-09 17:07 forsyth
2000-05-09 17:05 rob
2000-05-09 16:55 Russ
2000-05-09 16:31 Alexander
2000-05-09 16:15 rob
2000-05-09 16:10 dhog
2000-05-09 14:46 Alexander
2000-05-09 11:48 forsyth
2000-05-09 8:18 Douglas
2000-05-09 8:18 Ishwar
2000-05-08 20:35 Alexander
2000-05-08 20:11 Roman
2000-05-08 16:12 Russ
2000-05-08 13:45 Lucio
2000-05-08 13:05 Bengt
2000-05-08 12:48 Lucio
2000-05-08 12:09 Leo
2000-05-08 6:56 Bengt
2000-05-08 6:28 okamoto
2000-05-08 4:34 Russ
2000-05-08 4:33 rob
2000-05-08 3:55 okamoto
2000-05-06 12:47 Steve
2000-05-06 7:28 Lucio
2000-05-06 7:04 Lucio
2000-05-05 22:00 G.David
2000-05-05 20:53 Scott
2000-05-05 20:42 Anthony
2000-05-05 17:08 Lucio
2000-05-05 16:38 Lucio
2000-05-05 15:32 forsyth
2000-05-05 14:45 Lucio
2000-05-05 14:44 jmk
2000-05-05 14:42 Lucio
2000-05-05 14:20 Lucio
2000-05-05 14:14 Lucio
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