This fact will pull a list of domain users and groups who have access

Domain_Access

#This fact will pull securiy groups and users who have access if you are using PBIS.

Facter.add("Domain_Access") do
  confine :osfamily => "RedHat" 
    setcode do
      if File.directory? "/opt/likewise"
      Domain_Access = `/opt/likewise/bin/lwconfig --detail RequireMembershipOf | grep '"' | sed -e 's/^"//' -e 's/"$//' | awk -F'\\' '{print $3}'`
      $Access = split($Domain_Access, ' ')
      Domain_Access
      end
   end
end