Voker57's fix for getRemoteAddr' only works on little-endian architectures. We should...

[Lucu.git] / Network / HTTP / Lucu / Resource.hs

diff --git a/Network/HTTP/Lucu/Resource.hs b/Network/HTTP/Lucu/Resource.hs
index e48ea217ff99b6c7bc9c6e0a3057ab8c904db636..3a27e9ca5e1acbe786d83a949e7711c6d0657ffb 100644 (file)
--- a/Network/HTTP/Lucu/Resource.hs
+++ b/Network/HTTP/Lucu/Resource.hs
@@ -73,6 +73,7 @@ module Network.HTTP.Lucu.Resource
     , getConfig
     , getRemoteAddr
     , getRemoteAddr'
+    , getRemoteHost
     , getRemoteCertificate
     , getRequest
     , getMethod
@@ -136,7 +137,6 @@ module Network.HTTP.Lucu.Resource
 
 import           Control.Concurrent.STM
 import           Control.Monad.Reader
-import           Data.Bits
 import qualified Data.ByteString as Strict (ByteString)
 import qualified Data.ByteString.Lazy as Lazy (ByteString)
 import qualified Data.ByteString.Char8 as C8 hiding (ByteString)
@@ -211,20 +211,15 @@ getRemoteAddr = do itr <- getInteraction
 -- you want a 'Network.Socket.SockAddr' instead of 'Prelude.String',
 -- use 'getRemoteAddr'.
 getRemoteAddr' :: Resource String
-getRemoteAddr' = do addr <- getRemoteAddr
-                    case addr of
-                      -- Network.Socket は IPv6 を考慮してゐないやうだ…
-                      SockAddrInet _ v4addr
-                          -> let b1 = (v4addr `shiftR` 24) .&. 0xFF
-                                 b2 = (v4addr `shiftR` 16) .&. 0xFF
-                                 b3 = (v4addr `shiftR`  8) .&. 0xFF
-                                 b4 =  v4addr              .&. 0xFF
-                             in
-                               return $ concat $ intersperse "." $ map show [b4, b3, b2, b1]
-                      SockAddrUnix path
-                          -> return path
-                      _
-                          -> undefined
+getRemoteAddr' = do addr          <- getRemoteAddr
+                    (Just str, _) <- liftIO $! getNameInfo [NI_NUMERICHOST] True False addr
+                    return str
+
+-- |Resolve an address to the remote host.
+getRemoteHost :: Resource String
+getRemoteHost = do addr          <- getRemoteAddr
+                   (Just str, _) <- liftIO $! getNameInfo [] True False addr
+                   return str
 
 -- | Return the X.509 certificate of the client, or 'Nothing' if:
 --