Code cleanup

[haskell-dns.git] / ExampleDNSServer.hs

diff --git a/ExampleDNSServer.hs b/ExampleDNSServer.hs
index e1aaa22e1cf56b86d9c9ce38700073a6bfbadcae..b366e14e1a9dc5d5b07b2ee57ced84ead301e358 100644 (file)
--- a/ExampleDNSServer.hs
+++ b/ExampleDNSServer.hs
@@ -1,8 +1,10 @@
 import           Network.DNS.Message
 import           Network.DNS.Named
 import           Network.DNS.Named.Config
+import           Network.DNS.Named.Responder
 import           Network.DNS.Named.Zone
 import           Network.Socket
+import           System.IO.Unsafe
 
 main :: IO ()
 main = runNamed cnf zoneFor
@@ -13,4 +15,31 @@ main = runNamed cnf zoneFor
             }
 
       zoneFor :: DomainName -> Maybe Zone
-      zoneFor = const Nothing -- FIXME
\ No newline at end of file
+      zoneFor name
+          | name `isInZone` zone = Just zone
+          | otherwise            = Nothing
+
+      zone :: Zone
+      zone = Zone {
+               zoneName            = mkDN "cielonegro.org."
+             , zoneResponders      = [ wrapResponder responderA
+                                     ]
+             , zoneIsAuthoritative = True
+             }
+
+      responderA :: Responder A IN ()
+      responderA = do name <- getQueryName
+                      if name == mkDN "ns.cielonegro.org." then
+                          respond ResourceRecord {
+                                        rrName  = name
+                                      , rrType  = A
+                                      , rrClass = IN
+                                      , rrTTL   = 9600
+                                      , rrData  = inetAddr "127.0.0.1"
+                                      }
+                        else
+                          fail "FIXME: we want to throw NameError but we can't for now"
+
+
+inetAddr :: String -> HostAddress
+inetAddr = unsafePerformIO . inet_addr