SRV hack part 3 and final - works now

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

diff --git a/PowerDns.hs b/PowerDns.hs
index 6800143dcd243b8d595f1a78d329509b9fbdb3bc..77c514994d3afa6a8dbce6ae8e71237688688edf 100644 (file)
--- a/PowerDns.hs
+++ b/PowerDns.hs
@@ -1,14 +1,15 @@
-module PowerDns ( RRType
+module PowerDns ( RRType(..)
                 , PdnsRequest(..)
                 , pdnsParse
+                , pdnsReport
                 , pdnsOut
                 ) 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)
 
@@ -37,6 +38,7 @@ pdnsParse ver s =
       "LOC"     -> RRTypeLOC
       "NS"      -> RRTypeNS    
       "DS"      -> RRTypeDS
+      "MX"      -> RRTypeMX
       "ANY"     -> RRTypeANY
       _         -> RRTypeError qt
     getLIp ver xs
@@ -63,5 +65,65 @@ pdnsParse ver s =
                                             })
       _                         -> Left $ "Unparseable PDNS Request: " ++ s
 
-pdnsOut :: RRType -> NmcDom -> String
-pdnsOut _ d = show d
+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" $ nmc2pdns name rrtype dom
+      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
+
+nmc2pdns :: String -> RRType -> NmcDom -> [(String, String, String)]
+nmc2pdns name RRTypeANY   dom =
+  foldr (\r accum -> (nmc2pdns name r dom) ++ accum) []
+    [RRTypeSRV, RRTypeA, RRTypeAAAA, RRTypeCNAME, RRTypeDNAME,
+     RRTypeSOA, RRTypeRP, RRTypeLOC, RRTypeNS, RRTypeDS, RRTypeMX]
+nmc2pdns name RRTypeSRV   dom = makesrv name "SRV" $ domService dom
+nmc2pdns name RRTypeMX    dom = mapto name "MX" $ domMx dom
+nmc2pdns name RRTypeA     dom = mapto name "A" $ domIp dom
+nmc2pdns name RRTypeAAAA  dom = mapto name "AAAA" $ domIp6 dom
+nmc2pdns name RRTypeCNAME dom = takejust name "CNAME" $ domAlias dom
+nmc2pdns name RRTypeDNAME dom = takejust name "DNAME" $ domTranslate dom
+nmc2pdns name RRTypeSOA   dom = -- 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")]
+nmc2pdns name RRTypeRP    dom = [] --FIXME
+nmc2pdns name RRTypeLOC   dom = takejust name "LOC" $ domLoc dom
+nmc2pdns name RRTypeNS    dom = mapto name "NS" $ domNs dom
+nmc2pdns name RRTypeDS    dom = [] --FIXME
+
+mapto name rrstr maybel = case maybel of
+  Nothing  -> []
+  Just l   -> map (\x -> (name, rrstr, x)) l
+
+takejust name rrstr maybestr = case maybestr of
+  Nothing  -> []
+  Just str -> [(name, rrstr, str)]
+
+makesrv name rrstr mayberl = case mayberl of
+  Nothing  -> []
+  Just srl  -> map (\x -> (name, rrstr, fmtsrv x)) srl
+    where
+      fmtsrv rl = (show (srvPrio rl)) ++ " "
+                ++ (show (srvWeight rl)) ++ " "
+                ++ (show (srvPort rl)) ++ " "
+                ++ (srvHost rl)