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Re: [Libguestfs] selinux question and answer



On Wed, 2009-08-12 at 15:07 +0100, Richard W.M. Jones wrote:
> On Wed, Aug 12, 2009 at 10:01:39AM -0400, Eric Paris wrote:
> > On Wed, 2009-08-12 at 14:40 +0100, Richard W.M. Jones wrote:
> > > After a bit of an epic struggle with a RHEL 5 guest, and thanks to
> > > (3) We must run every external command (eg. "rpm") via the shell, so
> > > in libguestfs using "sh", never "command".
> > 
> > Correct.  There is another (maybe harder?) option.  If you want to still
> > be able to run things directly from your daemon you'll need to get the
> > daemon labeled unconfined_t.  This would mean calling setexecon() and
> > then re-execing the daemon.
> 
> We were just talking about this, and in fact this may be possible
> for us to do relatively easily.
> 
> Question: can we use setexeccon before any policy has been
> loaded?  Does it need /selinux?  (I'm guessing no, yes).

Policy must be loaded.  /selinux must be mounted somewhere.  (libselinux
is smart enough to find it even if it isn't mounted at /selinux)


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