linux-kernel - Re: [ANNOUNCE] UidBind LSM 0.1

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Message-Id: <1177362299.20613.28.camel@hagrid>
Date:	Mon, 23 Apr 2007 23:04:59 +0200
From:	Roberto De Ioris <roberto@...it.it>
To:	Gerhard Mack <gmack@...erfire.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] UidBind LSM 0.1

Il giorno lun, 23/04/2007 alle 14.38 -0400, Gerhard Mack ha scritto:
> On Mon, 23 Apr 2007, Roberto De Ioris wrote:
> > Hi all,
> > this is a very simple module that allows bind() to tcp/udp port (>=1024)
> > only for the uids defined in a configfs tree.
> > 
> > It is a first version, it only works for PF_INET sockets and makes no
> > difference between tcp and udp (i am working on this)
> > 
> > For (little) more info see 
> > 
> > http://projects.unbit.it/uidbind/
> > 
> > Patch attached is for vanilla 2.6.20.7
> 
> Is it possible to lock a range of ports to a uid?  

I think i can implement something like a configfs item named
'8081-8090', instead of only '8081'.
I will need to validate the range, but its not too difficult.

> 
> Also, is it possible to lock a uid to one ip address?  For example usera 
> can only bind to 10.0.0.23 while userb can only bind to 10.0.0.24. 

This is simple to add and i have already a patch for it.
In the next few days i will post it.


-- 
Roberto De Ioris
http://unbit.it
JID: roberto@...ber.unbit.it
Wii: 2999 4476 3509 0964

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