new binary version

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

diff --git a/PowerDns.hs b/PowerDns.hs
index cbc9fb5df94babc05c9f715b7e6779aa0878e276..457cdcae5b3be03b3160b0dc1f87e38b6b015bc6 100644 (file)
--- a/PowerDns.hs
+++ b/PowerDns.hs
@@ -3,11 +3,12 @@ module PowerDns ( RRType(..)
                 , PdnsRequest(..)
                 , pdnsParse
                 , pdnsReport
-                , pdnsOut
+                , pdnsOutQ
                 , pdnsOutXfr
                 ) where
 
 import Data.Text.Lazy (splitOn, pack)
+import Data.Map.Lazy (foldrWithKey)
 
 import NmcDom
 
@@ -64,7 +65,7 @@ pdnsParse ver s =
   let
     getInt s = case reads s :: [(Int, String)] of
       [(x, _)] -> x
-      _        -> -1
+      _        -> (-1)
     getLIp ver xs
       | ver >= 2  = case xs of
                       x:_       -> Just x
@@ -81,7 +82,7 @@ pdnsParse ver s =
       "AXFR":x:[]               -> Right (PdnsRequestAXFR (getInt x))
       "Q":qn:"IN":qt:id:rip:xs  -> case rrType qt of
                                      RRTypeError e ->
-                                       Left $ "PDNS Request: " ++ (show qt)
+                                       Left $ "Unrecognized RR type: " ++ e
                                      rt ->
                                        Right (PdnsRequestQ
                                             { qName = qn
@@ -98,42 +99,60 @@ pdnsReport :: String -> String
 pdnsReport err = "LOG\tError: " ++ err ++ "\nFAIL\n"
 
 -- | Produce answer to the Q request
-pdnsOut :: Int -> Int -> String -> RRType -> Either String NmcDom -> String
-pdnsOut ver id name rrtype edom =
+pdnsOutQ :: Int -> Int -> Int -> String -> RRType -> Either String NmcDom -> String
+pdnsOutQ ver id gen name rrt edom =
   let
-    rrl = case rrtype of
-      RRTypeANY -> [RRTypeSRV, RRTypeA, RRTypeAAAA, RRTypeCNAME
+    rrl = case rrt of
+      RRTypeANY -> [ RRTypeSRV, RRTypeA, RRTypeAAAA, RRTypeCNAME
                    , RRTypeDNAME, RRTypeRP, RRTypeLOC, RRTypeNS
-                   , RRTypeDS, RRTypeMX]
-      rrt       -> [rrt]
+                   , RRTypeDS, RRTypeMX -- SOA not included
+                   ]
+      x         -> [x]
   in
-    (formatDom ver id name rrl edom) ++ "END\n"
+    case edom of
+      Left  err ->
+        pdnsReport $ err ++ " in the " ++ (show rrt) ++ " query for " ++ name
+      Right dom ->
+        formatDom ver id gen rrl name dom "END\n"
 
 -- | Produce answer to the AXFR request
-pdnsOutXfr :: Int -> Int -> String -> Either String NmcDom -> String
-pdnsOutXfr ver id name edom = "" -- FIXME
+pdnsOutXfr :: Int -> Int -> Int -> String -> Either String NmcDom -> String
+pdnsOutXfr ver id gen name edom =
+  let
+    allrrs = [ RRTypeSRV, RRTypeA, RRTypeAAAA, RRTypeCNAME
+             , RRTypeDNAME, RRTypeRP, RRTypeLOC, RRTypeNS
+             , RRTypeDS, RRTypeMX, RRTypeSOA
+             ]
+    walkDom f acc name dom =
+      f name dom $ case domMap dom of
+        Nothing -> acc
+        Just dm ->
+          foldrWithKey (\n d a -> walkDom f a (n ++ "." ++ name) d) acc dm
+  in
+    case edom of
+      Left  err ->
+        pdnsReport $ err ++ " in the AXFR request for " ++ name
+      Right dom ->
+        walkDom (formatDom ver id gen allrrs) "END\n" name dom
 
-formatDom ver id name rrl edom = case edom of
-  Left  err ->
-    pdnsReport $ err ++ " in the " ++ (show rrl) ++ " query for " ++ name
-  Right dom ->
-    foldr (\x a -> (formatRR ver id name dom x) ++ a) "" rrl
+formatDom ver id gen rrl name dom acc =
+  foldr (\x a -> (formatRR ver id gen name dom x) ++ a) acc rrl
 
-formatRR ver id name dom rrtype =
+formatRR ver id gen 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
+        "" $ dataRR rrtype gen name dom
     where
       v3ext = case ver of
         3 -> "0\t1\t"
         _ -> ""
       ttl = show 3600
 
-justl accessor _ dom = case accessor dom of
+justl accessor _ _ dom = case accessor dom of
   Nothing -> []
   Just xs -> xs
 
-justv accessor _ dom = case accessor dom of
+justv accessor _ _ dom = case accessor dom of
   Nothing -> []
   Just x  -> [x]
 
@@ -149,10 +168,10 @@ dataRR RRTypeA     = justl domIp
 dataRR RRTypeAAAA  = justl domIp6
 dataRR RRTypeCNAME = justv domAlias
 dataRR RRTypeDNAME = justv domTranslate
-dataRR RRTypeSOA   = \ name dom -> -- FIXME make realistic version field
+dataRR RRTypeSOA   = \ gen name dom ->
   let
     ns = case domNs dom of
-      Just (x:_) -> x           -- FIXME Terminate with a dot?
+      Just (x:_) -> x
       _          -> "."
     email = case domEmail dom of
       Nothing   -> "hostmaster." ++ name ++ "."
@@ -166,15 +185,16 @@ dataRR RRTypeSOA   = \ name dom -> -- FIXME make realistic version field
     -- 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
-        [_,_] -> [ns ++ " " ++ email ++ " 99999 10800 3600 604800 86400"]
+        [_,_] -> [ns ++ " " ++ email ++ " " ++ (show gen)
+                     ++ " 10800 3600 604800 86400"]
         _     -> []
-dataRR RRTypeRP    = \ _ dom ->
+dataRR RRTypeRP    = \ _ _ dom ->
   case domEmail dom of
     Nothing   -> []
     Just addr -> [(dotmail addr) ++ " ."]
 dataRR RRTypeLOC   = justv domLoc
-dataRR RRTypeNS    = justl domNs -- FIXME Terminate with a dot?
-dataRR RRTypeDS    = \ _ dom ->
+dataRR RRTypeNS    = justl domNs
+dataRR RRTypeDS    = \ _ _ dom ->
   case domDs dom of
     Nothing  -> []
     Just dss -> map dsStr dss
@@ -184,5 +204,5 @@ dataRR RRTypeDS    = \ _ dom ->
                ++ (show (dsHashType x)) ++ " "
                ++ (dsHashValue x)
 -- This only comes into play when data arrived _not_ from a PDNS request:
-dataRR (RRTypeError e) = \ _ _ ->
+dataRR (RRTypeError e) = \ _ _ _ ->
   ["; No data for bad request type " ++ e]