On Monday 09 May 2005 19:54, Chris Friesen wrote:
> Kristian Sørensen wrote:
> > By "secure IPC" is meaning a
> > security mechanism that provides a more fine granularity of specifying
> > who are allowed to send (or receive) messages... and maby also a way to
> > resolve the question of "Can I trust the message I received?"
>
> 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.
> --you can authenticate who is sending the message using SCM_CREDENTIALS
I guess this poses the same problem as above?
KS
--
Kristian Sørensen
The Umbrella Project -- Security for Consumer Electronics
Linnovative -- www.linnovative.dk
[email protected] -- +45 2972 3816
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