safesearch.lua

googleset = newDS()

-- https://www.google.com/supported_domains
--  (echo 'return{' ; for a in $(curl https://www.google.com/supported_domains | sed s/^\\.//) ; do echo \"$a\",; done ; echo '}') > googledomains.lua


googleset:add(dofile("googledomains.lua"))

function handleSafeSearch(dq)
         if(googleset:check(dq.qname)) then
                 dq:addAnswer(pdns.CNAME, "forcesafesearch.google.com")
                 dq.rcode=0
                 dq.followupFunction="followCNAMERecords"
                 return true
         end
         return false
end

function preresolve(dq) 
        if(handleSafeSearch(dq)) then
            return true;
        end 
        return false;
end