io-streams-haproxy-1.0.1.0: test/System/IO/Streams/Network/HAProxy/Tests.hs
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE ScopedTypeVariables #-}
module System.IO.Streams.Network.HAProxy.Tests (tests) where
------------------------------------------------------------------------------
import Control.Applicative ((<$>))
import Control.Concurrent
import qualified Control.Exception as E
import Control.Monad (forever)
import Control.Monad.IO.Class (MonadIO, liftIO)
import qualified Data.ByteString as S8
import Data.ByteString.Char8 (ByteString)
import qualified Data.ByteString.Char8 as S
import Data.Typeable
import qualified Network.Socket as N
import System.IO (hPutStrLn, stderr)
import System.IO.Streams (InputStream, OutputStream)
import qualified System.IO.Streams as Streams
import qualified System.IO.Streams.Network.HAProxy as HA
import System.IO.Streams.Network.Internal.Address (AddressNotSupportedException (..), getSockAddr, getSockAddrImpl)
import System.Timeout (timeout)
import Test.Framework
import Test.Framework.Providers.HUnit
import Test.HUnit hiding (Test)
------------------------------------------------------------------------------
------------------------------------------------------------------------------
tests :: [Test]
tests = [ testOldHaProxy
, testOldHaProxy6
, testOldHaProxyFailure
, testOldHaProxyLocal
, testOldHaProxyLocal6
, testOldHaProxyBadAddress
, testBlackBox
, testBlackBoxLocal
, testNewHaProxy
#ifndef WINDOWS
, testNewHaProxyUnix
#endif
, testNewHaProxy6
, testNewHaProxyTooBig
, testNewHaProxyTooSmall
, testNewHaProxyBadVersion
, testNewHaProxyLocal
, testGetSockAddr
, testTrivials
]
------------------------------------------------------------------------------
runInput :: ByteString
-> N.SockAddr
-> N.SockAddr
-> (HA.ProxyInfo -> InputStream ByteString -> OutputStream ByteString -> IO a)
-> IO a
runInput input sa sb action = do
is <- Streams.fromList [input]
(os, _) <- Streams.listOutputStream
let pinfo = HA.makeProxyInfo sa sb (addrFamily sa) N.Stream
HA.behindHAProxyWithLocalInfo pinfo (is, os) action
------------------------------------------------------------------------------
addrFamily :: N.SockAddr -> N.Family
addrFamily s = case s of
(N.SockAddrInet _ _) -> N.AF_INET
(N.SockAddrInet6 _ _ _ _) -> N.AF_INET6
#ifndef WINDOWS
(N.SockAddrUnix _ ) -> N.AF_UNIX
#endif
------------------------------------------------------------------------------
blackbox :: (Chan Bool
-> HA.ProxyInfo
-> InputStream ByteString
-> OutputStream ByteString
-> IO ())
-> ByteString
-> IO ()
blackbox action input = withTimeout 10 $ do
chan <- newChan
E.bracket (startServer chan) (killThread . fst) client
readChan chan >>= assertBool "success"
where
client (_, port) = do
(family, addr) <- getSockAddr port "127.0.0.1"
E.bracket (N.socket family N.Stream 0) N.close $ \sock -> do
N.connect sock addr
(_, os) <- Streams.socketToStreams sock
threadDelay 10000
Streams.write (Just input) os
Streams.write Nothing os
threadDelay 10000
withTimeout n m = timeout (n * 1000000) m >>= maybe (fail "timeout") return
startServer :: Chan Bool -> IO (ThreadId, Int)
startServer = E.bracketOnError getSock N.close . forkServer
getBindAddr = do
#if MIN_VERSION_network(2,7,0)
getSockAddr (fromIntegral N.defaultPort) "127.0.0.1"
#else
getSockAddr (fromIntegral N.aNY_PORT) "127.0.0.1"
#endif
getSock = do
(family, addr) <- getBindAddr
sock <- N.socket family N.Stream 0
N.setSocketOption sock N.ReuseAddr 1
N.setSocketOption sock N.NoDelay 1
#if MIN_VERSION_network(2,7,0)
N.bind sock addr
#else
N.bindSocket sock addr
#endif
N.listen sock 150
return $! sock
forkServer chan sock = do
port <- fromIntegral <$> N.socketPort sock
tid <- E.mask_ $ forkIOWithUnmask $ server chan sock
return (tid, port)
server :: Chan Bool -> N.Socket -> (forall z. IO z -> IO z) -> IO ()
server chan boundSocket restore = loop `E.finally` N.close boundSocket
where
loop = forever $
E.bracketOnError (restore $ N.accept boundSocket)
(N.close . fst)
(\(sock, sa) ->
forkIOWithUnmask
$ \r -> flip E.finally (N.close sock)
$ r $ HA.behindHAProxy sock sa (action chan))
------------------------------------------------------------------------------
testBlackBox :: Test
testBlackBox = testCase "test/blackbox" $
blackbox action
"PROXY TCP4 127.0.0.1 127.0.0.1 10000 80\r\nblah"
where
action chan proxyInfo !is !_ = do
sa <- localhost 10000
sb <- localhost 80
x <- E.try $ do assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
case x of
Left (e :: E.SomeException) -> do hPutStrLn stderr $ show e
writeChan chan False
Right !_ -> writeChan chan True
------------------------------------------------------------------------------
testBlackBoxLocal :: Test
testBlackBoxLocal = testCase "test/blackbox_local" $
blackbox action "PROXY UNKNOWN\r\nblah"
where
action chan proxyInfo !is !_ = do
let q = HA.getSourceAddr proxyInfo `seq` HA.getDestAddr proxyInfo
`seq` ()
x <- q `seq` E.try $ go is proxyInfo
case x of
Left (e :: E.SomeException) -> do hPutStrLn stderr $ show e
writeChan chan False
Right !_ -> writeChan chan True
go is proxyInfo = do
Streams.toList is >>= assertEqual "rest" ["blah"]
assertEqual "family" N.AF_INET $ HA.getFamily proxyInfo
assertEqual "type" N.Stream $ HA.getSocketType proxyInfo
------------------------------------------------------------------------------
testOldHaProxy :: Test
testOldHaProxy = testCase "test/old_ha_proxy" $ do
sa <- localhost 1111
sb <- localhost 2222
runInput "PROXY TCP4 127.0.0.1 127.0.0.1 10000 80\r\nblah" sa sb action
where
action proxyInfo !is !_ = do
sa <- localhost 10000
sb <- localhost 80
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
testOldHaProxy6 :: Test
testOldHaProxy6 = testCase "test/old_ha_proxy6" $ do
sa <- localhost6 1111
sb <- localhost6 2222
runInput "PROXY TCP6 ::1 ::1 10000 80\r\nblah" sa sb action
where
action proxyInfo !is !_ = do
sa <- localhost6 10000
sb <- localhost6 80
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET6 $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
testOldHaProxyLocal :: Test
testOldHaProxyLocal = testCase "test/old_ha_proxy_local" $ do
sa <- localhost 1111
sb <- localhost 2222
runInput "PROXY UNKNOWN\r\nblah" sa sb action
where
action proxyInfo !is !_ = do
sa <- localhost 1111
sb <- localhost 2222
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
testOldHaProxyLocal6 :: Test
testOldHaProxyLocal6 = testCase "test/old_ha_proxy_local6" $ do
sa <- localhost6 1111
sb <- localhost6 2222
runInput "PROXY UNKNOWN\r\nblah" sa sb action
where
action proxyInfo !is !_ = do
sa <- localhost6 1111
sb <- localhost6 2222
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET6 $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
testOldHaProxyFailure :: Test
testOldHaProxyFailure = testCase "test/old_ha_proxy_failure" $ do
sa <- localhost 1111
sb <- localhost 2222
expectException "bad family"
$ runInput "PROXY ZZZ qqqq wwww 10000 80\r\nblah" sa sb action
expectException "short"
$ runInput "PROXY TCP4 \r\nblah" sa sb action
expectException "non-integral"
$ runInput "PROXY TCP4 127.0.0.1 127.0.0.1 xxx yyy\r\nblah" sa sb action
where
action _ _ _ = return ()
------------------------------------------------------------------------------
testOldHaProxyBadAddress :: Test
testOldHaProxyBadAddress = testCase "test/old_ha_proxy_bad_address" $ do
sa <- localhost 1111
sb <- localhost 2222
expectException "bad address" $
runInput "PROXY TCP4 @~!@#$%^ (*^%$ 10000 80\r\nblah" sa sb action
where
action proxyInfo !is !_ = do
sa <- localhost 10000
sb <- localhost 80
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
protocolHeader :: ByteString
protocolHeader = S8.pack [ 0x0D, 0x0A, 0x0D, 0x0A, 0x00, 0x0D
, 0x0A, 0x51, 0x55, 0x49, 0x54, 0x0A ]
{-# NOINLINE protocolHeader #-}
------------------------------------------------------------------------------
testNewHaProxy :: Test
testNewHaProxy = testCase "test/new_ha_proxy" $ do
sa <- localhost 1111
sb <- localhost 2222
let input = S.concat [ protocolHeader
, "\x21\x11" -- TCP over v4
, "\x00\x0c" -- 12 bytes of address (network ordered)
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
runInput input sa sb action
where
action proxyInfo !is !_ = do
sa <- localhost 10000
sb <- localhost 80
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
#ifndef WINDOWS
unixPath :: ByteString -> ByteString
unixPath s = S.append s (S.replicate (108 - S.length s) '\x00')
------------------------------------------------------------------------------
unixSock :: ByteString -> N.SockAddr
unixSock = N.SockAddrUnix . S.unpack
------------------------------------------------------------------------------
testNewHaProxyUnix :: Test
testNewHaProxyUnix = testCase "test/new_ha_proxy_unix" $ do
sa <- localhost 1111
sb <- localhost 2222
let input = S.concat [ protocolHeader
, "\x21\x31" -- unix stream
, "\x00\xd8" -- 216 bytes
, unixPath "/foo"
, unixPath "/bar"
, "blah" -- the rest
]
runInput input sa sb action
let input2 = S.concat [ protocolHeader
, "\x21\x32" -- unix datagram
, "\x00\xd8" -- 216 bytes
, unixPath "/foo"
, unixPath "/bar"
, "blah" -- the rest
]
runInput input2 sa sb action2
where
action proxyInfo !is !_ = do
let sa = unixSock "/foo"
let sb = unixSock "/bar"
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_UNIX $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
action2 proxyInfo !is !_ = do
let sa = unixSock "/foo"
let sb = unixSock "/bar"
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_UNIX $ HA.getFamily proxyInfo
assertEqual "stype" N.Datagram $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
#endif
------------------------------------------------------------------------------
testNewHaProxy6 :: Test
testNewHaProxy6 = testCase "test/new_ha_proxy_6" $ do
sa <- localhost6 1111
sb <- localhost6 2222
let input = S.concat [ protocolHeader
, "\x21\x21" -- TCP over v6
, "\x00\x24" -- 36 bytes of address (network ordered)
, lhBinary
, lhBinary
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
runInput input sa sb action
where
lhBinary = S.concat [ S.replicate 15 '\x00', S.singleton '\x01' ]
action proxyInfo !is !_ = do
sa <- localhost6 10000
sb <- localhost6 80
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET6 $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
------------------------------------------------------------------------------
testNewHaProxyBadVersion :: Test
testNewHaProxyBadVersion = testCase "test/new_ha_proxy_bad_version" $ do
sa <- localhost 1111
sb <- localhost 2222
let input = S.concat [ protocolHeader
, "\x31\x11" -- TCP over v4, bad version
, "\x00\x0c" -- 12 bytes of address (network ordered)
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
expectException "bad version" $ runInput input sa sb action
let input2 = S.concat [ protocolHeader
, "\x2F\x11" -- TCP over v4, bad command
, "\x00\x0c" -- 12 bytes of address (network ordered)
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
expectException "bad version" $ runInput input2 sa sb action
let input3 = S.concat [ protocolHeader
, "\x21\x41" -- bad family
, "\x00\x0c" -- 12 bytes of address (network ordered)
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
expectException "bad family" $ runInput input3 sa sb action
let input4 = S.concat [ protocolHeader
, "\x21\x14" -- bad family
, "\x00\x0c" -- 12 bytes of address (network ordered)
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
expectException "bad type" $ runInput input4 sa sb action
where
action _ !_ !_ = return ()
------------------------------------------------------------------------------
testNewHaProxyTooSmall :: Test
testNewHaProxyTooSmall = testCase "test/new_ha_proxy_too_small" $ do
sa <- localhost 1111
sb <- localhost 2222
let input = S.concat [ protocolHeader
, "\x21\x11" -- TCP over v4
, "\x00\x02" -- 2 bytes
, "\x00\x00"
, "blah" -- the rest
]
expectException "too small" $ runInput input sa sb action
let input2 = S.concat [ protocolHeader
, "\x21\x21" -- TCP over v6
, "\x00\x02" -- 2 bytes
, "\x00\x00"
, "blah" -- the rest
]
expectException "too small" $ runInput input2 sa sb action
#ifndef WINDOWS
let input3 = S.concat [ protocolHeader
, "\x21\x31" -- unix
, "\x00\x02" -- 2 bytes
, "\x00\x00"
, "blah" -- the rest
]
expectException "too small" $ runInput input3 sa sb action
#endif
where
action _ !_ !_ = return ()
------------------------------------------------------------------------------
testNewHaProxyTooBig :: Test
testNewHaProxyTooBig = testCase "test/new_ha_proxy_too_big" $ do
sa <- localhost 1111
sb <- localhost 2222
let input = S.concat [ protocolHeader
, "\x21\x11" -- TCP over v4
, "\x03\x0c" -- 780: 12 bytes of address
-- (network ordered) plus 768
-- bytes of slop
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, S.replicate 768 '0'
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
expectException "too big" $ runInput input sa sb action
let input2 = S.concat [ protocolHeader
, "\x21\x00" -- TCP over v4
, "\x03\x0c" -- 780: 12 bytes of address
-- (network ordered) plus 768
-- bytes of slop
, "\x7f\x00\x00\x01" -- localhost
, "\x7f\x00\x00\x01"
, S.replicate 768 '0'
, "\x27\x10" -- 10000 in network order
, "\x00\x50" -- 80 in network order
, "blah" -- the rest
]
expectException "too big" $ runInput input2 sa sb action
where
action _ !_ !_ = return ()
------------------------------------------------------------------------------
testNewHaProxyLocal :: Test
testNewHaProxyLocal = testCase "test/new_ha_proxy_local" $ do
sa <- localhost 1111
sb <- localhost 2222
let input = S.concat [ protocolHeader
, "\x20\x00" -- LOCAL UNSPEC
, "\x00\x00" -- 0 bytes of address (network ordered)
, "blah" -- the rest
]
runInput input sa sb action
#ifndef WINDOWS
let ua = unixSock "/foo"
let ub = unixSock "/bar"
let input2 = S.concat [ protocolHeader
, "\x20\x00" -- LOCAL UNSPEC
, "\x00\x00" -- 0 bytes of address (network ordered)
, "blah" -- the rest
]
runInput input2 ua ub action2
#endif
where
action proxyInfo !is !_ = do
sa <- localhost 1111
sb <- localhost 2222
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_INET $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
#ifndef WINDOWS
action2 proxyInfo !is !_ = do
let sa = unixSock "/foo"
let sb = unixSock "/bar"
assertEqual "src addr" sa $ HA.getSourceAddr proxyInfo
assertEqual "dest addr" sb $ HA.getDestAddr proxyInfo
assertEqual "family" N.AF_UNIX $ HA.getFamily proxyInfo
assertEqual "stype" N.Stream $ HA.getSocketType proxyInfo
Streams.toList is >>= assertEqual "rest" ["blah"]
#endif
------------------------------------------------------------------------------
testGetSockAddr :: Test
testGetSockAddr = testCase "test/address/getSockAddr" $ do
(f1, a1) <- getSockAddr 10 "127.0.0.1"
x1 <- localhost 10
assertEqual "f1" f1 N.AF_INET
assertEqual "x1" x1 a1
(f2, a2) <- getSockAddr 10 "::1"
x2 <- localhost6 10
assertEqual "f2" f2 N.AF_INET6
assertEqual "x2" x2 a2
expectException "empty result" $
getSockAddrImpl (\_ _ _ -> return []) 10 "foo"
------------------------------------------------------------------------------
testTrivials :: Test
testTrivials = testCase "test/trivials" $ do
coverShowInstance $ HA.makeProxyInfo undefined undefined undefined undefined
coverTypeableInstance $ AddressNotSupportedException undefined
coverShowInstance $ AddressNotSupportedException "ok"
------------------------------------------------------------------------------
localhost :: Int -> IO (N.SockAddr)
localhost p = snd <$> getSockAddr p "127.0.0.1"
------------------------------------------------------------------------------
localhost6 :: Int -> IO (N.SockAddr)
localhost6 p = snd <$> getSockAddr p "::1"
------------------------------------------------------------------------------
expectException :: String -> IO a -> IO ()
expectException name act = do
e <- E.try act
case e of
Left (z::E.SomeException) -> (length $ show z) `seq` return ()
Right _ -> fail $ name ++ ": expected exception, didn't get one"
------------------------------------------------------------------------------
coverTypeableInstance :: (Monad m, Typeable a) => a -> m ()
coverTypeableInstance a = typeOf a `seq` return ()
------------------------------------------------------------------------------
eatException :: IO a -> IO ()
eatException a = (a >> return ()) `E.catch` handler
where
handler :: E.SomeException -> IO ()
handler _ = return ()
------------------------------------------------------------------------------
-- | Kill the false negative on derived show instances.
coverShowInstance :: (MonadIO m, Show a) => a -> m ()
coverShowInstance x = liftIO (a >> b >> c)
where
a = eatException $ E.evaluate $ length $ showsPrec 0 x ""
b = eatException $ E.evaluate $ length $ show x
c = eatException $ E.evaluate $ length $ showList [x] ""