reimplement SRV handling

[pdns-pipe-nmc.git] / PowerDns.hs

diff --git a/PowerDns.hs b/PowerDns.hs
index 7ed76e8a24bc046dcb42a96382d932f20c4210cb..12768508d55c72a32e71c777e7b746f049149eaa 100644 (file)
--- a/PowerDns.hs
+++ b/PowerDns.hs
@@ -1,8 +1,15 @@
-module PowerDns where
+module PowerDns ( RRType(..)
+                , PdnsRequest(..)
+                , pdnsParse
+                , pdnsReport
+                , pdnsOut
+                ) where
+
+import NmcDom
 
 data RRType = RRTypeSRV   | RRTypeA   | RRTypeAAAA | RRTypeCNAME
             | RRTypeDNAME | RRTypeSOA | RRTypeRP   | RRTypeLOC
-            | RRTypeNS    | RRTypeDS
+            | RRTypeNS    | RRTypeDS  | RRTypeMX
             | RRTypeANY   | RRTypeError String 
         deriving (Show)
 
@@ -31,6 +38,7 @@ pdnsParse ver s =
       "LOC"     -> RRTypeLOC
       "NS"      -> RRTypeNS    
       "DS"      -> RRTypeDS
+      "MX"      -> RRTypeMX
       "ANY"     -> RRTypeANY
       _         -> RRTypeError qt
     getLIp ver xs
@@ -55,18 +63,55 @@ pdnsParse ver s =
                                             , localIpAddress = getLIp ver xs
                                             , ednsSubnetAddress = getRIp ver xs
                                             })
-      _                         -> Left s
+      _                         -> Left $ "Unparseable PDNS Request: " ++ s
+
+pdnsReport :: String -> String
+pdnsReport err =
+  "LOG\tError: " ++ err ++ "\nFAIL\n"
+
+pdnsOut :: Int -> String -> 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" ++ id ++ "\t" ++ dt ++ "\n" ++ accum
+      v3ext = case ver of
+        3 -> "0\t1\t"
+        _ -> ""
+      ttl = show 3600
 
-{-
-pdnsOut :: String -> Either String PdnsRequest -> IO ()
-pdnsOut _   (Left e)   = putStrLn ("ERROR\tUnparseable request: " ++ e)
-pdnsOut uri (Right rq) = case rq of
-    PdnsRequestQ qn qt id lip rip eip -> do
-      dom <- queryNmc uri qn qt id
-      case dom of
-        Left  e      -> putStrLn ("ERROR\tNmc query error: " ++ e)
-        Right result -> print result
-    PdnsRequestAXFR xfrreq ->
-      putStrLn ("ERROR\t No support for AXFR " ++ xfrreq)
-    PdnsRequestPing -> putStrLn "OK"
--}
+      n2p RRTypeANY   =
+        foldr (\r accum -> (n2p r) ++ accum) []
+          [RRTypeSRV, RRTypeA, RRTypeAAAA, RRTypeCNAME, RRTypeDNAME,
+           RRTypeSOA, 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
+        if dom == emptyNmcDom then []
+        else
+          let
+            email = case domEmail dom of
+              Nothing   -> "hostmaster." ++ name
+              Just addr ->
+                let (aname, adom) = break (== '@') addr
+                in case adom of
+                  "" -> aname
+                  _  -> aname ++ "." ++ (tail adom)
+          in [(name, "SOA", email ++ " 99999999 10800 3600 604800 86400")]
+      n2p RRTypeRP    = [] --FIXME
+      n2p RRTypeLOC   = takejust "LOC"  $ domLoc dom
+      n2p RRTypeNS    = mapto    "NS"   $ domNs dom
+      n2p RRTypeDS    = [] --FIXME
+      
+      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)]