module PowerDns ( RRType(..)
+ , rrType
, PdnsRequest(..)
, pdnsParse
, pdnsReport
data RRType = RRTypeSRV | RRTypeA | RRTypeAAAA | RRTypeCNAME
| RRTypeDNAME | RRTypeSOA | RRTypeRP | RRTypeLOC
| RRTypeNS | RRTypeDS | RRTypeMX
- | RRTypeANY | RRTypeError String
+ | RRTypeANY | RRTypeError String
instance Show RRType where
show RRTypeSRV = "SRV"
show RRTypeA = "A"
show RRTypeAAAA = "AAAA"
show RRTypeCNAME = "CNAME"
- show RRTypeDNAME = "DNAME"
+ show RRTypeDNAME = "DNAME"
show RRTypeSOA = "SOA"
show RRTypeRP = "RP"
show RRTypeLOC = "LOC"
- show RRTypeNS = "NS"
+ show RRTypeNS = "NS"
show RRTypeDS = "DS"
show RRTypeMX = "MX"
show RRTypeANY = "ANY"
- show (RRTypeError s) = "RR type error: " ++ (show s)
+ show (RRTypeError s) = "Unknown RR type: " ++ (show s)
+
+rrType qt = case qt of
+ "SRV" -> RRTypeSRV
+ "A" -> RRTypeA
+ "AAAA" -> RRTypeAAAA
+ "CNAME" -> RRTypeCNAME
+ "DNAME" -> RRTypeDNAME
+ "SOA" -> RRTypeSOA
+ "RP" -> RRTypeRP
+ "LOC" -> RRTypeLOC
+ "NS" -> RRTypeNS
+ "DS" -> RRTypeDS
+ "MX" -> RRTypeMX
+ "ANY" -> RRTypeANY
+ _ -> RRTypeError qt
data PdnsRequest = PdnsRequestQ
{ qName :: String
getInt s = case reads s :: [(Int, String)] of
[(x, _)] -> x
_ -> -1
- getQt qt = case qt of
- "SRV" -> RRTypeSRV
- "A" -> RRTypeA
- "AAAA" -> RRTypeAAAA
- "CNAME" -> RRTypeCNAME
- "DNAME" -> RRTypeDNAME
- "SOA" -> RRTypeSOA
- "RP" -> RRTypeRP
- "LOC" -> RRTypeLOC
- "NS" -> RRTypeNS
- "DS" -> RRTypeDS
- "MX" -> RRTypeMX
- "ANY" -> RRTypeANY
- _ -> RRTypeError qt
getLIp ver xs
| ver >= 2 = case xs of
x:_ -> Just x
case words s of
"PING":[] -> Right PdnsRequestPing
"AXFR":x:[] -> Right (PdnsRequestAXFR (getInt x))
- "Q":qn:"IN":qt:id:rip:xs -> Right (PdnsRequestQ
+ "Q":qn:"IN":qt:id:rip:xs -> case rrType qt of
+ RRTypeError e ->
+ Left $ "PDNS Request: " ++ e
+ rt ->
+ Right (PdnsRequestQ
{ qName = qn
- , qType = getQt qt
+ , qType = rrType qt
, iD = getInt id
, remoteIpAddress = rip
, localIpAddress = getLIp ver xs
pdnsOutXfr :: Int -> Int -> String -> Either String NmcDom -> String
pdnsOutXfr ver id name edom = "" -- FIXME
+formatRR ver id name dom rrtype =
+ foldr (\x a -> "DATA\t" ++ v3ext ++ name ++ "\tIN\t" ++ (show rrtype)
+ ++ "\t" ++ ttl ++ "\t" ++ (show id) ++ "\t" ++ x ++ "\n" ++ a)
+ "" $ dataRR rrtype name dom
+ where
+ v3ext = case ver of
+ 3 -> "0\t1\t"
+ _ -> ""
+ ttl = show 3600
+
justl accessor _ dom = case accessor dom of
Nothing -> []
Just xs -> xs
Nothing -> []
Just x -> [x]
-dotmail addr =
+dotmail addr =
let (aname, adom) = break (== '@') addr
in case adom of
- "" -> aname
- _ -> aname ++ "." ++ (tail adom)
+ "" -> aname ++ "."
+ _ -> aname ++ "." ++ (tail adom) ++ "."
dataRR RRTypeSRV = justl domSrv
dataRR RRTypeMX = justl domMx
dataRR RRTypeAAAA = justl domIp6
dataRR RRTypeCNAME = justv domAlias
dataRR RRTypeDNAME = justv domTranslate
-dataRR RRTypeSOA = soa
- where
- soa name dom = -- FIXME generate only for top domain
- -- FIXME make realistic version field
- -- FIXME make realistic nameserver field
- -- Follows a relatively ugly hack to figure if we are at the top
- -- level domain ("something.bit"). Only in such case we provide
- -- the synthetic SOA RR. Otherwise yield empty.
+dataRR RRTypeSOA = \ name dom -> -- FIXME make realistic version field
+ let
+ ns = case domNs dom of
+ Just (x:_) -> x -- FIXME Terminate with a dot?
+ _ -> "."
+ email = case domEmail dom of
+ Nothing -> "hostmaster." ++ name ++ "."
+ Just addr -> dotmail addr
+ in
+ if dom == emptyNmcDom then []
+ else
+ -- Follows a relatively ugly hack to figure if we are at the top
+ -- level domain ("something.bit"). Only in such case we provide
+ -- the synthetic SOA RR. Otherwise yield empty.
+ -- Alternative would be to carry "top-ness" as a parameter through
+ -- all the calls from the very top where we split the fqdn.
case splitOn (pack ".") (pack name) of
- [_,_] ->
- if dom == emptyNmcDom then []
- else ["ns " ++ email ++ " 99999 10800 3600 604800 86400"]
- where
- email = case domEmail dom of
- Nothing -> "hostmaster." ++ name
- Just addr -> dotmail addr
- _ -> []
-dataRR RRTypeRP = rp
- where
- rp _ dom = case domEmail dom of
- Nothing -> []
- Just addr -> [(dotmail addr) ++ " ."]
+ [_,_] -> [ns ++ " " ++ email ++ " 99999 10800 3600 604800 86400"]
+ _ -> []
+dataRR RRTypeRP = \ _ dom ->
+ case domEmail dom of
+ Nothing -> []
+ Just addr -> [(dotmail addr) ++ " ."]
dataRR RRTypeLOC = justv domLoc
-dataRR RRTypeNS = justl domNs
-dataRR RRTypeDS = ds
- where
- ds _ dom = case domDs dom of
- Nothing -> []
- Just dss -> map dsStr dss
- where
- dsStr x = (show (dsKeyTag x)) ++ " "
- ++ (show (dsAlgo x)) ++ " "
- ++ (show (dsHashType x)) ++ " "
- ++ (dsHashValue x)
-
-formatRR ver id name dom rrtype =
- foldr (\x a -> "DATA\t" ++ v3ext ++ name ++ "\tIN\t" ++ (show rrtype)
- ++ "\t" ++ ttl ++ "\t" ++ (show id) ++ "\t" ++ x ++ "\n" ++ a)
- "" $ dataRR rrtype name dom
- where
- v3ext = case ver of
- 3 -> "0\t1\t"
- _ -> ""
- ttl = show 3600
+dataRR RRTypeNS = justl domNs -- FIXME Terminate with a dot?
+dataRR RRTypeDS = \ _ dom ->
+ case domDs dom of
+ Nothing -> []
+ Just dss -> map dsStr dss
+ where
+ dsStr x = (show (dsKeyTag x)) ++ " "
+ ++ (show (dsAlgo x)) ++ " "
+ ++ (show (dsHashType x)) ++ " "
+ ++ (dsHashValue x)
+-- This only comes into play when data arrived _not_ from a PDNS request:
+dataRR (RRTypeError e) = \ _ _ ->
+ ["; No data for bad request type " ++ e]
projects / pdns-pipe-nmc.git / blobdiff