external-tests: trim the fat
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Jason A. Donenfeld
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.cabal-sandbox/
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dist
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import Distribution.Simple
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main = defaultMain
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-- Initial cacophony-wg.cabal generated by cabal init. For further
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-- documentation, see https://www.haskell.org/cabal/users-guide/
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name: cacophony-wg
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version: 0.1.0
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-- synopsis:
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-- description:
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license: PublicDomain
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license-file: LICENSE
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author: John Galt
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maintainer: centromere@users.noreply.github.com
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-- copyright:
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-- category:
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build-type: Simple
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-- extra-source-files:
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cabal-version: >=1.10
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executable cacophony-wg
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main-is: Main.hs
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other-modules:
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Data.Time.TAI64
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build-depends:
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base >=4.8 && <4.9,
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base16-bytestring,
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base64-bytestring,
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blake2,
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bytestring,
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cacophony,
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cereal,
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cryptonite,
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network,
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time
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hs-source-dirs: src
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default-language: Haskell2010
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module Data.Time.TAI64 (
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TAI64(..)
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, TAI64N(..)
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, TAI64NA(..)
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, posixToTAI64
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, posixToTAI64N
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, posixToTAI64NA
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, getCurrentTAI64
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, getCurrentTAI64N
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, getCurrentTAI64NA
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, tAI64ToPosix
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, tAI64NToPosix
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, tAI64NAToPosix
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) where
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import Data.Serialize
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import Control.Monad
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import Data.Word
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import Data.Time.Clock
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import Data.Time.Clock.POSIX
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import Numeric
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data TAI64 = TAI64
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{-# UNPACK #-} !Word64
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deriving (Eq, Ord)
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data TAI64N = TAI64N
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{-# UNPACK #-} !TAI64
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{-# UNPACK #-} !Word32
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deriving (Eq, Ord, Show)
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data TAI64NA = TAI64NA
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{-# UNPACK #-} !TAI64N
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{-# UNPACK #-} !Word32
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deriving (Eq, Ord, Show)
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instance Show TAI64 where
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show (TAI64 t) = "TAI64 0x" ++ showHex t ""
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instance Serialize TAI64 where
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put (TAI64 t) = putWord64be t
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get = liftM TAI64 get
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instance Serialize TAI64N where
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put (TAI64N t' nt) = put t' >> putWord32be nt
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get = liftM2 TAI64N get get
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instance Serialize TAI64NA where
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put (TAI64NA t' at) = put t' >> putWord32be at
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get = liftM2 TAI64NA get get
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posixToTAI64 :: POSIXTime -> TAI64
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posixToTAI64 = TAI64 . (2^62 +) . truncate . realToFrac
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posixToTAI64N :: POSIXTime -> TAI64N
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posixToTAI64N pt = TAI64N t' ns where
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t' = posixToTAI64 pt
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ns = (`mod` 10^9) $ truncate (pts * 10**9)
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pts = realToFrac pt
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posixToTAI64NA :: POSIXTime -> TAI64NA -- | PICOsecond precision
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posixToTAI64NA pt = TAI64NA t' as where
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t' = posixToTAI64N pt
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as = (`mod` 10^9) $ truncate (pts * 10**18)
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pts = realToFrac pt
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getCurrentTAI64 :: IO TAI64
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getCurrentTAI64N :: IO TAI64N
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getCurrentTAI64NA :: IO TAI64NA
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getCurrentTAI64 = liftM posixToTAI64 getPOSIXTime
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getCurrentTAI64N = liftM posixToTAI64N getPOSIXTime
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getCurrentTAI64NA = liftM posixToTAI64NA getPOSIXTime
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tAI64ToPosix :: TAI64 -> POSIXTime
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tAI64ToPosix (TAI64 s) = fromRational . fromIntegral $ s - 2^62
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tAI64NToPosix :: TAI64N -> POSIXTime
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tAI64NToPosix (TAI64N t' n) = tAI64ToPosix t' + nanopart where
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nanopart = fromRational $ (toRational $ 10**(-9)) * toRational n -- TODO: optimize?
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tAI64NAToPosix :: TAI64NA -> POSIXTime
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tAI64NAToPosix (TAI64NA t' a) = tAI64NToPosix t' + attopart where
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attopart = fromRational $ (toRational $ 10**(-18)) * toRational a
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{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Control.Applicative ((<$>))
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import Control.Concurrent.MVar
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import Control.Monad (void)
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import Data.ByteString.Char8 (pack, unpack, take, drop, replicate)
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import Data.ByteString (ByteString)
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import qualified Data.ByteString.Base16 as Hex
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import qualified Data.ByteString.Base64 as B64
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import qualified Data.Serialize as S
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import Prelude hiding (take, drop, replicate)
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import System.Environment
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import Network.Socket
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import qualified Network.Socket.ByteString as NBS
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import Crypto.Hash.BLAKE2.BLAKE2s
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import Crypto.Noise.Cipher
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import Crypto.Noise.Cipher.ChaChaPoly1305
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import Crypto.Noise.Curve
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import Crypto.Noise.Curve.Curve25519
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import Crypto.Noise.Handshake
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import Crypto.Noise.HandshakePatterns
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import Crypto.Noise.Hash.BLAKE2s
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import Crypto.Noise.Types
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import Data.Time.TAI64
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w :: PublicKey Curve25519
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-> Plaintext
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-> Socket
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-> SockAddr
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-> ByteString
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-> IO ()
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w theirPub (Plaintext myPSK) sock addr msg = do
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let x = "\x01\x00\x00\x00\x00\x00" `mappend` msg
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mac = hash 16 myPSK (sbToBS' (curvePubToBytes theirPub) `mappend` sbToBS' x) -- TODO: this should actually be blake2s(key=blake2s("mac1----" || theirPub), payload=blah)
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void $ NBS.sendTo sock (x `mappend` mac `mappend` replicate 16 '\0') addr
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r :: MVar ByteString -> Socket -> IO ByteString
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r smv sock = do
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(r, _) <- NBS.recvFrom sock 1024
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putMVar smv $ (take 2 . drop 1) r
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return . take 48 . drop 8 $ r
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payload :: IO Plaintext
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payload = do
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tai64n <- getCurrentTAI64N
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return . Plaintext . bsToSB' $ S.encode tai64n
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main :: IO ()
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main = do
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let ip = "demo.wireguard.io"
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let port = "12913"
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let mykey = "WAmgVYXkbT2bCtdcDwolI88/iVi/aV3/PHcUBTQSYmo="
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let serverkey = "qRCwZSKInrMAq5sepfCdaCsRJaoLe5jhtzfiw7CjbwM="
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let psk = "FpCyhws9cxwWoV4xELtfJvjJN+zQVRPISllRWgeopVE="
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addrInfo <- head <$> getAddrInfo Nothing (Just ip) (Just port)
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sock <- socket (addrFamily addrInfo) Datagram defaultProtocol
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let addr = addrAddress addrInfo
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mykey' = curveBytesToPair . bsToSB' . either undefined id . B64.decode . pack $ mykey :: KeyPair Curve25519
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serverkey' = curveBytesToPub . bsToSB' . either undefined id . B64.decode . pack $ serverkey :: PublicKey Curve25519
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psk' = Plaintext . bsToSB' . either undefined id . B64.decode . pack $ psk
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hs = handshakeState $ HandshakeStateParams
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noiseIK -- TODO: specify psk2 mode
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"WireGuard v1 zx2c4 Jason@zx2c4.com"
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(Just psk')
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(Just mykey')
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Nothing
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(Just serverkey')
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Nothing
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True :: HandshakeState ChaChaPoly1305 Curve25519 BLAKE2s
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senderindexmv <- newEmptyMVar
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let hc = HandshakeCallbacks (w serverkey' psk' sock addr) (r senderindexmv sock) (\_ -> return ()) payload
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(encryption, decryption) <- runHandshake hs hc
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let (keepAlive, encryption') = encryptPayload "" encryption
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senderindex <- takeMVar senderindexmv
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void $ NBS.sendTo sock ("\x04\x00\x00\x00" `mappend` senderindex `mappend` replicate 8 '\0' `mappend` keepAlive) addr
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