331 lines
12 KiB
Haskell
331 lines
12 KiB
Haskell
{-# LANGUAGE CPP #-}
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import Test.QuickCheck
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import Test.QuickCheck.Monadic
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import Test.Framework (defaultMain, testGroup)
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import Test.Framework.Providers.QuickCheck2 (testProperty)
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import Tests.Certificate
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import Tests.PipeChan
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import Tests.Connection
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import Data.Maybe
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import Data.Word
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import qualified Data.ByteString as B
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import qualified Data.ByteString.Char8 as C8
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import qualified Data.ByteString.Lazy as L
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import Network.TLS
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import Network.TLS.Cipher
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import Network.TLS.Struct
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import Network.TLS.Packet
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import Control.Applicative
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import Control.Concurrent
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import Control.Exception (throw, SomeException)
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import qualified Control.Exception as E
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import Control.Monad
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import Data.IORef
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genByteString :: Int -> Gen B.ByteString
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genByteString i = B.pack <$> vector i
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instance Arbitrary Version where
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arbitrary = elements [ SSL2, SSL3, TLS10, TLS11, TLS12 ]
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instance Arbitrary ProtocolType where
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arbitrary = elements
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[ ProtocolType_ChangeCipherSpec
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, ProtocolType_Alert
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, ProtocolType_Handshake
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, ProtocolType_AppData ]
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#if MIN_VERSION_QuickCheck(2,3,0)
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#else
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instance Arbitrary Word8 where
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arbitrary = fromIntegral <$> (choose (0,255) :: Gen Int)
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instance Arbitrary Word16 where
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arbitrary = fromIntegral <$> (choose (0,65535) :: Gen Int)
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#endif
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instance Arbitrary Header where
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arbitrary = Header <$> arbitrary <*> arbitrary <*> arbitrary
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instance Arbitrary ClientRandom where
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arbitrary = ClientRandom <$> (genByteString 32)
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instance Arbitrary ServerRandom where
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arbitrary = ServerRandom <$> (genByteString 32)
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instance Arbitrary Session where
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arbitrary = do
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i <- choose (1,2) :: Gen Int
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case i of
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2 -> liftM (Session . Just) (genByteString 32)
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_ -> return $ Session Nothing
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instance Arbitrary CertVerifyData where
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arbitrary = do
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liftM CertVerifyData (genByteString 128)
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arbitraryCiphersIDs :: Gen [Word16]
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arbitraryCiphersIDs = choose (0,200) >>= vector
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arbitraryCompressionIDs :: Gen [Word8]
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arbitraryCompressionIDs = choose (0,200) >>= vector
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someWords8 :: Int -> Gen [Word8]
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someWords8 i = replicateM i (fromIntegral <$> (choose (0,255) :: Gen Int))
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instance Arbitrary CertificateType where
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arbitrary = elements
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[ CertificateType_RSA_Sign, CertificateType_DSS_Sign
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, CertificateType_RSA_Fixed_DH, CertificateType_DSS_Fixed_DH
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, CertificateType_RSA_Ephemeral_DH, CertificateType_DSS_Ephemeral_DH
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, CertificateType_fortezza_dms ]
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instance Arbitrary Handshake where
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arbitrary = oneof
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[ ClientHello
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<$> arbitrary
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<*> arbitrary
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<*> arbitrary
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<*> arbitraryCiphersIDs
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<*> arbitraryCompressionIDs
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<*> (return [])
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, ServerHello
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<$> arbitrary
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<*> arbitrary
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<*> arbitrary
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<*> arbitrary
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<*> arbitrary
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<*> (return [])
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, liftM Certificates (resize 2 $ listOf $ arbitraryX509)
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, pure HelloRequest
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, pure ServerHelloDone
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, ClientKeyXchg <$> genByteString 48
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--, liftM ServerKeyXchg
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, liftM3 CertRequest arbitrary (return Nothing) (return [])
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, liftM2 CertVerify (return Nothing) arbitrary
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, Finished <$> (genByteString 12)
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]
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{- quickcheck property -}
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prop_header_marshalling_id :: Header -> Bool
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prop_header_marshalling_id x = (decodeHeader $ encodeHeader x) == Right x
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prop_handshake_marshalling_id :: Handshake -> Bool
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prop_handshake_marshalling_id x = (decodeHs $ encodeHandshake x) == Right x
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where
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decodeHs b = either (Left . id) (uncurry (decodeHandshake cp) . head) $ decodeHandshakes b
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cp = CurrentParams { cParamsVersion = TLS10, cParamsKeyXchgType = CipherKeyExchange_RSA, cParamsSupportNPN = True }
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prop_pipe_work :: PropertyM IO ()
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prop_pipe_work = do
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pipe <- run newPipe
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_ <- run (runPipe pipe)
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let bSize = 16
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n <- pick (choose (1, 32))
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let d1 = B.replicate (bSize * n) 40
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let d2 = B.replicate (bSize * n) 45
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d1' <- run (writePipeA pipe d1 >> readPipeB pipe (B.length d1))
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d1 `assertEq` d1'
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d2' <- run (writePipeB pipe d2 >> readPipeA pipe (B.length d2))
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d2 `assertEq` d2'
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return ()
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establish_data_pipe params tlsServer tlsClient = do
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-- initial setup
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pipe <- newPipe
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_ <- (runPipe pipe)
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startQueue <- newChan
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resultQueue <- newChan
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(cCtx, sCtx) <- newPairContext pipe params
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_ <- forkIO $ E.catch (tlsServer sCtx resultQueue) (printAndRaise "server")
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_ <- forkIO $ E.catch (tlsClient startQueue cCtx) (printAndRaise "client")
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return (startQueue, resultQueue)
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where
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printAndRaise :: String -> SomeException -> IO ()
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printAndRaise s e = putStrLn (s ++ " exception: " ++ show e) >> throw e
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recvDataNonNull ctx = recvData ctx >>= \l -> if B.null l then recvDataNonNull ctx else return l
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prop_handshake_initiate :: PropertyM IO ()
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prop_handshake_initiate = do
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params <- pick arbitraryPairParams
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(startQueue, resultQueue) <- run (establish_data_pipe params tlsServer tlsClient)
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{- the test involves writing data on one side of the data "pipe" and
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- then checking we received them on the other side of the data "pipe" -}
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d <- B.pack <$> pick (someWords8 256)
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run $ writeChan startQueue d
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dres <- run $ readChan resultQueue
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d `assertEq` dres
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return ()
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where
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tlsServer ctx queue = do
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handshake ctx
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d <- recvDataNonNull ctx
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writeChan queue d
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return ()
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tlsClient queue ctx = do
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handshake ctx
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d <- readChan queue
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sendData ctx (L.fromChunks [d])
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bye ctx
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return ()
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prop_handshake_npn_initiate :: PropertyM IO ()
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prop_handshake_npn_initiate = do
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(clientParam,serverParam) <- pick arbitraryPairParams
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let clientParam' = clientParam { onNPNServerSuggest = Just $ \protos -> return (head protos) }
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serverParam' = serverParam { onSuggestNextProtocols = return $ Just [C8.pack "spdy/2", C8.pack "http/1.1"] }
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params' = (clientParam',serverParam')
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(startQueue, resultQueue) <- run (establish_data_pipe params' tlsServer tlsClient)
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{- the test involves writing data on one side of the data "pipe" and
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- then checking we received them on the other side of the data "pipe" -}
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d <- B.pack <$> pick (someWords8 256)
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run $ writeChan startQueue d
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dres <- run $ readChan resultQueue
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d `assertEq` dres
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return ()
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where
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tlsServer ctx queue = do
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handshake ctx
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proto <- getNegotiatedProtocol ctx
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Just (C8.pack "spdy/2") `assertEq` proto
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d <- recvDataNonNull ctx
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writeChan queue d
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return ()
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tlsClient queue ctx = do
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handshake ctx
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proto <- getNegotiatedProtocol ctx
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Just (C8.pack "spdy/2") `assertEq` proto
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d <- readChan queue
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sendData ctx (L.fromChunks [d])
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bye ctx
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return ()
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prop_handshake_renegociation :: PropertyM IO ()
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prop_handshake_renegociation = do
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params <- pick arbitraryPairParams
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(startQueue, resultQueue) <- run (establish_data_pipe params tlsServer tlsClient)
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{- the test involves writing data on one side of the data "pipe" and
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- then checking we received them on the other side of the data "pipe" -}
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d <- B.pack <$> pick (someWords8 256)
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run $ writeChan startQueue d
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dres <- run $ readChan resultQueue
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d `assertEq` dres
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return ()
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where
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tlsServer ctx queue = do
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handshake ctx
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d <- recvDataNonNull ctx
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writeChan queue d
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return ()
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tlsClient queue ctx = do
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handshake ctx
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handshake ctx
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d <- readChan queue
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sendData ctx (L.fromChunks [d])
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bye ctx
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return ()
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-- | simple session manager to store one session id and session data for a single thread.
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-- a Real concurrent session manager would use an MVar and have multiples items.
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data OneSessionManager = OneSessionManager (IORef (Maybe (SessionID, SessionData)))
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instance SessionManager OneSessionManager where
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sessionInvalidate _ _ = return ()
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sessionEstablish (OneSessionManager ref) myId dat = writeIORef ref $ Just (myId, dat)
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sessionResume (OneSessionManager ref) myId = readIORef ref >>= maybeResume
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where maybeResume Nothing = return Nothing
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maybeResume (Just (sid, sdata)) = return (if sid == myId then Just sdata else Nothing)
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prop_handshake_session_resumption :: PropertyM IO ()
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prop_handshake_session_resumption = do
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sessionRef <- run $ newIORef Nothing
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let sessionManager = OneSessionManager sessionRef
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plainParams <- pick arbitraryPairParams
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let params = setPairParamsSessionManager sessionManager plainParams
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-- establish a session.
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(s1, r1) <- run (establish_data_pipe params tlsServer tlsClient)
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d <- B.pack <$> pick (someWords8 256)
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run $ writeChan s1 d
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dres <- run $ readChan r1
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d `assertEq` dres
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-- and resume
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sessionParams <- run $ readIORef sessionRef
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assert (isJust sessionParams)
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let params2 = setPairParamsSessionResuming (fromJust sessionParams) params
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-- resume
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(startQueue, resultQueue) <- run (establish_data_pipe params2 tlsServer tlsClient)
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{- the test involves writing data on one side of the data "pipe" and
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- then checking we received them on the other side of the data "pipe" -}
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d2 <- B.pack <$> pick (someWords8 256)
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run $ writeChan startQueue d2
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dres2 <- run $ readChan resultQueue
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d2 `assertEq` dres2
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return ()
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where
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tlsServer ctx queue = do
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handshake ctx
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d <- recvDataNonNull ctx
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writeChan queue d
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return ()
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tlsClient queue ctx = do
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handshake ctx
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d <- readChan queue
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sendData ctx (L.fromChunks [d])
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bye ctx
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return ()
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assertEq :: (Show a, Monad m, Eq a) => a -> a -> m ()
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assertEq expected got = unless (expected == got) $ error ("got " ++ show got ++ " but was expecting " ++ show expected)
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main :: IO ()
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main = defaultMain
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[ tests_marshalling
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, tests_handshake
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]
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where
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-- lowlevel tests to check the packet marshalling.
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tests_marshalling = testGroup "Marshalling"
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[ testProperty "Header" prop_header_marshalling_id
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, testProperty "Handshake" prop_handshake_marshalling_id
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]
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-- high level tests between a client and server with fake ciphers.
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tests_handshake = testGroup "Handshakes"
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[ testProperty "setup" (monadicIO prop_pipe_work)
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, testProperty "initiate" (monadicIO prop_handshake_initiate)
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, testProperty "initiate with npn" (monadicIO prop_handshake_npn_initiate)
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, testProperty "renegociation" (monadicIO prop_handshake_renegociation)
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, testProperty "resumption" (monadicIO prop_handshake_session_resumption)
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]
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