On 11/30/2012 10:20 AM, Daniel P. Berrange wrote: > On Fri, Nov 30, 2012 at 04:16:56PM +0100, Natxo Asenjo wrote: >> On Fri, Nov 30, 2012 at 4:04 PM, Daniel P. Berrange <berra...@redhat.com> >> wrote: >>> On Fri, Nov 30, 2012 at 03:56:14PM +0100, Natxo Asenjo wrote: >>>> hi, >>>> >>>> sasl_allowed_username_list = ["ad...@ipa.example.com" ] >>>> >>>> if I leave this field commented out (default setting), everybody can >>>> manage the kvm host. >>> Oh it isn't very obvious, but in this log message: >>> >>>>>>> 2012-11-30 12:00:53.403+0000: 7786: error : >>>>>>> virNetSASLContextCheckIdentity:146 : SASL client admin not allowed in >>> 'admin' is the identity being matched against. >>> >>> We ought to quote that string int he log message to make it more >>> obvious. >>> >>> So I guess SASL/GSSAPI is not giving us back the REALM, just >>> the username >>> >>> So you need to change your whitelist to leave out the realm. >> Bingo! >> >> Thanks. If I may just hijack this thread: is it possible to whitelist >> groups instead of individual users to use virsh/virtual manager? >> >> I know sasl only deals with the authentication stuff, buy here you are >> also authorizing in the whitelist. If this authorization could go >> further to allow ipa groups, that would be ideal from an admin point >> of view ;-) > It is desirable, but we don't have any way to find out information about > groups. The authorization problem is something we've yet to really get > a good pluggable solution for, though perhaps policykit would help here. > > Daniel Policy kit is local escalation to admin privileges. The policy kit policies are not centrally managed, they are preinstalled. Are you sure it is the right mechanism? Should there be some more centrally managed mechanism for access control rules like HBAC or SUDO?
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