return (nixio.fs.glob("/usr/lib/pppd/*/pptp.so")() ~= nil)
elseif p == "3g" then
return nixio.fs.access("/lib/netifd/proto/3g.sh")
return (nixio.fs.glob("/usr/lib/pppd/*/pptp.so")() ~= nil)
elseif p == "3g" then
return nixio.fs.access("/lib/netifd/proto/3g.sh")