X-Git-Url: http://www.average.org/gitweb/?p=pdns-pipe-nmc.git;a=blobdiff_plain;f=PowerDns.hs;h=61fdc21b307a1ef8c8af959c95ae58d0d64d3fb2;hp=d93214f98d33352cfc2702ea8ba9e4e1889c7bb8;hb=6bd856a8ffad4610f3c1632a337ad05e6277c898;hpb=26b23d266b588ea4b5bc4d53cbf479f9b40d26a0 diff --git a/PowerDns.hs b/PowerDns.hs index d93214f..61fdc21 100644 --- a/PowerDns.hs +++ b/PowerDns.hs @@ -1,31 +1,36 @@ -module PowerDns ( RRType +module PowerDns ( RRType(..) , PdnsRequest(..) , pdnsParse + , pdnsReport , pdnsOut + , pdnsOutXfr ) where -import NmcJson +import NmcDom data RRType = RRTypeSRV | RRTypeA | RRTypeAAAA | RRTypeCNAME | RRTypeDNAME | RRTypeSOA | RRTypeRP | RRTypeLOC - | RRTypeNS | RRTypeDS + | RRTypeNS | RRTypeDS | RRTypeMX | RRTypeANY | RRTypeError String deriving (Show) data PdnsRequest = PdnsRequestQ { qName :: String , qType :: RRType - , iD :: String + , iD :: Int , remoteIpAddress :: String , localIpAddress :: Maybe String , ednsSubnetAddress :: Maybe String } - | PdnsRequestAXFR String + | PdnsRequestAXFR Int | PdnsRequestPing deriving (Show) pdnsParse ver s = let + getInt s = case reads s :: [(Int, String)] of + [(x, _)] -> x + _ -> -1 getQt qt = case qt of "SRV" -> RRTypeSRV "A" -> RRTypeA @@ -37,6 +42,7 @@ pdnsParse ver s = "LOC" -> RRTypeLOC "NS" -> RRTypeNS "DS" -> RRTypeDS + "MX" -> RRTypeMX "ANY" -> RRTypeANY _ -> RRTypeError qt getLIp ver xs @@ -52,16 +58,81 @@ pdnsParse ver s = in case words s of "PING":[] -> Right PdnsRequestPing - "AXFR":x:[] -> Right (PdnsRequestAXFR x) + "AXFR":x:[] -> Right (PdnsRequestAXFR (getInt x)) "Q":qn:"IN":qt:id:rip:xs -> Right (PdnsRequestQ { qName = qn , qType = getQt qt - , iD = id + , iD = getInt id , remoteIpAddress = rip , localIpAddress = getLIp ver xs , ednsSubnetAddress = getRIp ver xs }) - _ -> Left s + _ -> Left $ "Unparseable PDNS Request: " ++ s -pdnsOut :: NmcDom -> String -pdnsOut d = show d +pdnsReport :: String -> String +pdnsReport err = + "LOG\tError: " ++ err ++ "\nFAIL\n" + +pdnsOut :: Int -> Int -> String -> RRType -> Either String NmcDom -> String +pdnsOut ver id name rrtype edom = case edom of + Left err -> pdnsReport $ err ++ " in a query for " ++ name + Right dom -> foldr addLine "END\n" $ n2p rrtype + where + addLine (nm, ty, dt) accum = + "DATA\t" ++ v3ext ++ nm ++ "\tIN\t" ++ ty ++ "\t" ++ ttl ++ + "\t" ++ (show id) ++ "\t" ++ dt ++ "\n" ++ accum + v3ext = case ver of + 3 -> "0\t1\t" + _ -> "" + ttl = show 3600 + + n2p RRTypeANY = + foldr (\r accum -> (n2p r) ++ accum) [] + [RRTypeSRV, RRTypeA, RRTypeAAAA, RRTypeCNAME, RRTypeDNAME, + RRTypeRP, RRTypeLOC, RRTypeNS, RRTypeDS, RRTypeMX] + n2p RRTypeSRV = mapto "SRV" $ domSrv dom + n2p RRTypeMX = mapto "MX" $ domMx dom + n2p RRTypeA = mapto "A" $ domIp dom + n2p RRTypeAAAA = mapto "AAAA" $ domIp6 dom + n2p RRTypeCNAME = takejust "CNAME" $ domAlias dom + n2p RRTypeDNAME = takejust "DNAME" $ domTranslate dom + n2p RRTypeSOA = -- FIXME generate only for top domain + -- FIXME make realistic version field + -- FIXME make realistic nameserver field + if dom == emptyNmcDom then [] + else [(name, "SOA", "ns " ++ email ++ " 99999 10800 3600 604800 86400")] + where + email = case domEmail dom of + Nothing -> "hostmaster." ++ name + Just addr -> dotmail addr + n2p RRTypeRP = case domEmail dom of + Nothing -> [] + Just addr -> [(name, "RP", (dotmail addr) ++ " .")] + n2p RRTypeLOC = takejust "LOC" $ domLoc dom + n2p RRTypeNS = mapto "NS" $ domNs dom + n2p RRTypeDS = case domDs dom of + Nothing -> [] + Just dss -> map (\x -> (name, "DS", dsStr x)) dss + where + dsStr x = (show (dsKeyTag x)) ++ " " + ++ (show (dsAlgo x)) ++ " " + ++ (show (dsHashType x)) ++ " " + ++ (dsHashValue x) + + dotmail addr = + let (aname, adom) = break (== '@') addr + in case adom of + "" -> aname + _ -> aname ++ "." ++ (tail adom) + + mapto rrstr maybel = case maybel of + Nothing -> [] + Just l -> map (\x -> (name, rrstr, x)) l + takejust rrstr maybestr = case maybestr of + Nothing -> [] + Just str -> [(name, rrstr, str)] + +pdnsOutXfr :: Int -> Int -> String -> Either String NmcDom -> String +pdnsOutXfr ver id name edom = case edom of + Left err -> pdnsReport $ err ++ " in a query for " ++ name + Right dom -> pdnsReport $ "AXFR unsupported in a query for " ++ name