adblock-optional.lua

adservers=newDS()
adservers:add(dofile("blocklist.lua"))
-- optionally: adservers:add(dofile("trackers.lua"))

filterset=newCAS()
filterset:add(dofile("filtercustomers.lua"))

function preresolve(dq)
    if(not adservers:check(dq.qname) or (dq.qtype ~= pdns.A and dq.qtype ~= pdns.AAAA)) then
        return false
    end

    dq.variable=true
    if(not filterset:check(dq.remoteaddr)) then
        return false
    end

    dq:addRecord(pdns.SOA,
        "fake."..dq.qname:toString().." fake."..dq.qname:toString().." 1 7200 900 1209600 86400",
        2)
    return true
end

Can something similar be done with dnsdist, or is it not meant for that ?

TIA!