The PolicyKit Project
http://hal.freedesktop.org/docs/PolicyKit/
<_description>Run programs as another user
<_message>Authentication is required to run a program as another user
auth_admin
auth_admin
auth_admin
<_description>Configure lock down for an action
<_message>Authentication is required to configure lock down policy
no
no
auth_admin
/usr/bin/pklalockdown