Re: Any work in implementing Secure IPC for Linux?

From: Chris Wright
Date: Mon May 09 2005 - 14:02:53 EST


* Kristian S?rensen (ks@xxxxxxxxx) wrote:
> On Monday 09 May 2005 19:54, Chris Friesen wrote:
> > How about unix sockets?
> > --you can have sockets in the filesystem namespace with regular file
> > permissions to control who is allowed to send messages to particular
> > addresses
> This is the same problem: Basing access control on user and group is not
> enough - especially as the root-user can overrule any access control
> specified by the normal DAC file attributes.

If you want the application involved/aware, you can still use finer
grained credentials, have a look at getpeersec.

thanks,
-chris
--
Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net
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