Re: Privilege dropping for rtadvd

[christos%zoulas.com@localhost (Christos Zoulas)]

On Jun 27,  1:20pm, tls%panix.com@localhost (Thor Lancelot Simon) wrote:
-- Subject: Re: Privilege dropping for rtadvd

| On Thu, Jun 27, 2013 at 03:01:18PM +0000, Christos Zoulas wrote:
| > 
| > The problem is that after you drop privs you cannot start listening
| > to new interfaces that might appear, but the daemon does not do
| > this now, right?
| 
| Another alternative might be to adjust our system security policy so
| that the system could be configured for a non-root user to do these
| things.  This is actually pretty easy to do with kauth, but figuring
| out a clean userland interface to it is harder.
| 
| The clockctl device is the obvious prior art, though.

We could start implementing a capabilities system, stored in the filesystem
and process like linux has. That would eliminate most setuid programs.

christos