diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright (c)2011, Katsutoshi Itoh
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Katsutoshi Itoh nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Network/Pcap/Enumerator.hs b/Network/Pcap/Enumerator.hs
new file mode 100644
--- /dev/null
+++ b/Network/Pcap/Enumerator.hs
@@ -0,0 +1,30 @@
+module Network.Pcap.Enumerator 
+       ( enumOffline
+       , enumLive
+       ) where
+
+import Data.ByteString (ByteString)
+import Data.ByteString.Char8 ()
+import Data.Enumerator hiding (map, filter)
+import Data.Int (Int64)
+import Network.Pcap
+
+enumOffline :: FilePath -> Enumerator (PktHdr, ByteString) IO b
+enumOffline path step = do
+  h <- tryIO $ openOffline path
+  let iter = enumPcap1 h step
+  Iteratee $ runIteratee iter
+
+enumLive :: String -> Int -> Bool -> Int64 -> Enumerator (PktHdr, ByteString) IO b
+enumLive name snaplen promisc timeout step = do
+  h <- tryIO $ openLive name snaplen promisc timeout
+  let iter = enumPcap1 h step
+  Iteratee $ runIteratee iter
+
+enumPcap1 :: PcapHandle -> Enumerator (PktHdr, ByteString) IO b
+enumPcap1 h = checkContinue0 $ \lp k -> do
+  pkt@(hdr, _) <- tryIO $ nextBS h
+  if (hdrCaptureLength hdr == 0)
+    then continue k
+    else k (Chunks [pkt]) >>== lp
+
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/pcap-enumerator.cabal b/pcap-enumerator.cabal
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--- /dev/null
+++ b/pcap-enumerator.cabal
@@ -0,0 +1,21 @@
+Name:                pcap-enumerator
+Version:             0.1
+Synopsis:            Convert a pcap into an enumerator.
+Description:         pcap enumerator package
+Homepage:            http://github.com/cutsea110/pcap-enumerator
+License:             BSD3
+License-file:        LICENSE
+Author:              Katsutoshi Itoh
+Maintainer:          cutsea110@gmail.com
+Category:            Network, Enumerator
+Build-type:          Simple
+Cabal-version:       >=1.2
+
+Library
+  Exposed-modules:     Network.Pcap.Enumerator
+  Build-depends:       
+                       base >= 4.0 && < 5.0
+                     , pcap >= 0.4 && < 0.5
+                     , enumerator >= 0.4.10 && < 0.5
+                     , bytestring >= 0.9 && < 0.10
+