diff --git a/LICENSE b/LICENSE --- a/LICENSE +++ b/LICENSE @@ -1,11 +1,32 @@ - +Copyright (c) 2007, Bryan O'Sullivan Copyright (c) 2007, Nicholas Burlett Copyright (c) 2004, Antiope Associates LLC All rights reserved. -Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: +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 the Antiope Associates LLC or Nicholas Burlett nor the names of its 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. +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 the Antiope Associates LLC or Nicholas Burlett nor +the names of its 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.hs b/Network/Pcap.hs new file mode 100644 --- /dev/null +++ b/Network/Pcap.hs @@ -0,0 +1,349 @@ +------------------------------------------------------------------------------ +-- | +-- Module : Network.Pcap +-- Copyright : Bryan O'Sullivan 2007, Antiope Associates LLC 2004 +-- License : BSD-style +-- Maintainer : bos@serpentine.com +-- Stability : experimental +-- Portability : non-portable +-- +-- The 'Network.Pcap' module is a high(ish) level binding to all of +-- the functions in @libpcap@. See for more +-- information. +-- +-- This module is built on the lower-level 'Network.Pcap.Base' module, +-- which is slightly more efficient. Don\'t use 'Network.Pcap.Base' +-- unless profiling data indicates that you need to. +-- +-- Only a minimum of marshaling is done on received packets. To +-- convert captured packet data to a 'B.ByteString' (space efficient, +-- and with /O(1)/ access to every byte in a captured packet), use +-- 'toBS'. +-- +-- Note that the 'SockAddr' exported here is not the @SockAddr@ from +-- 'Network.Socket'. The @SockAddr@ from 'Network.Socket' corresponds +-- to @struct sockaddr_in@ in BSD terminology. The 'SockAddr' record +-- here is BSD's @struct sockaddr@. See W.R.Stevens, TCP Illustrated, +-- volume 2, for further elucidation. +-- +-- This binding should be portable across systems that can use the +-- @libpcap@ from @tcpdump.org@. It does not yet work with Winpcap, a +-- similar library for Windows, although adapting it should not prove +-- difficult. +-- +------------------------------------------------------------------------------ + + +module Network.Pcap + ( + -- * Types + PcapHandle + , DumpHandle + , BpfProgram + , Callback + , Direction(..) + , Link(..) + , Interface(..) + , PcapAddr(..) + , SockAddr(..) + , Network(..) + , PktHdr(..) + , Statistics(..) + + -- * Device opening + , openOffline -- :: FilePath -> IO Pcap + , openLive -- :: String -> Int -> Bool -> Int -> IO Pcap + , openDead -- :: Int -> Int -> IO Pcap + , openDump -- :: PcapHandle -> FilePath -> IO Pdump + + -- * Filter handling + , setFilter -- :: PcapHandle -> String -> Bool -> Word32 -> IO () + , compileFilter -- :: Int -> Int -> String -> Bool -> Word32 -> IO BpfProgram + + -- * Device utilities + , lookupDev -- :: IO String + , findAllDevs -- :: IO [Interface] + , lookupNet -- :: String -> IO Network + + -- * Interface control + + , setNonBlock -- :: PcapHandle -> Bool -> IO () + , getNonBlock -- :: PcapHandle -> IO Bool + , setDirection + + -- * Link layer utilities + , datalink -- :: PcapHandle -> IO Link + , setDatalink -- :: PcapHandle -> Link -> IO () + , listDatalinks -- :: PcapHandle -> IO [Link] + + -- * Packet processing + , dispatch -- :: PcapHandle -> Int -> Callback -> IO Int + , loop -- :: PcapHandle -> Int -> Callback -> IO Int + , next -- :: PcapHandle -> IO (PktHdr, Ptr Word8) + , dump -- :: Ptr PcapDumpTag -> Ptr PktHdr -> Ptr Word8 -> IO () + + -- * Sending packets + , sendPacket + , sendPacketBS + + -- * Conversion + , toBS + , hdrTime + , hdrDiffTime + + -- * Miscellaneous + , statistics -- :: PcapHandle -> IO Statistics + , version -- :: PcapHandle -> IO (Int, Int) + , isSwapped -- :: PcapHandle -> IO Bool + , snapshotLen -- :: PcapHandle -> IO Int + ) where + +import qualified Data.ByteString.Base as B +import Data.Int (Int64) +import Data.Time.Clock (DiffTime, picosecondsToDiffTime) +import Data.Word (Word8, Word32) +import Foreign.Ptr (Ptr, castPtr) +import Foreign.ForeignPtr (ForeignPtr, withForeignPtr) +import qualified Network.Pcap.Base as P +import Network.Pcap.Base (BpfProgram, Callback, Interface(..), Link(..), + Network(..), Direction(..), + PcapAddr(..), PktHdr(..), SockAddr(..), Statistics, + compileFilter, findAllDevs, lookupDev, lookupNet) + + +-- | packet capture handle +newtype PcapHandle = PcapHandle (ForeignPtr P.PcapTag) + +-- | dump file handle +newtype DumpHandle = DumpHandle (ForeignPtr P.PcapDumpTag) + +-- +-- Open a device +-- + +-- | 'openOffline' opens a dump file for reading. The file format +-- is the same as used by @tcpdump@ and Wireshark. The string @\"-\"@ +-- is a synonym for @stdin@. +-- +openOffline :: FilePath -- ^ name of dump file to read + -> IO PcapHandle +openOffline = fmap PcapHandle . P.openOffline + +-- | 'openLive' is used to get a 'PcapHandle' that can be used to look +-- at packets on the network. The arguments are the device name, the +-- snapshot length (in bytes), the promiscuity of the interface +-- ('True' == promiscuous) and a timeout in microseconds. +-- +-- The timeout allows the packet filter to delay while accumulating +-- multiple packets, which is more efficient than reading packets one +-- by one. A timeout of zero will wait indefinitely for \"enough\" +-- packets to arrive. +-- +-- Using @\"any\"@ as the device name will capture packets from all +-- interfaces. On some systems, reading from the @\"any\"@ device is +-- incompatible with setting the interfaces into promiscuous mode. In +-- that case, only packets whose link layer addresses match those of +-- the interfaces are captured. +-- +openLive :: String -- ^ device name + -> Int -- ^ snapshot length + -> Bool -- ^ set interface to promiscuous mode? + -> Int64 -- ^ timeout in microseconds + -> IO PcapHandle +openLive name snaplen promisc timeout = + let timeout' | timeout <= 0 = 0 + | otherwise = fromIntegral (timeout `div` 1000) + in PcapHandle `fmap` P.openLive name snaplen promisc timeout' + +-- | 'openDead' is used to get a 'PcapHandle' without opening a file +-- or device. It is typically used to test packet filter compilation +-- by 'setFilter'. The arguments are the link type and the snapshot +-- length. +-- +openDead :: Link -- ^ datalink type + -> Int -- ^ snapshot length + -> IO PcapHandle +openDead link snaplen = PcapHandle `fmap` P.openDead link snaplen + +{-# INLINE withPcap #-} +withPcap :: PcapHandle -> (Ptr P.PcapTag -> IO a) -> IO a +withPcap (PcapHandle hdl) f = withForeignPtr hdl f + +{-# INLINE withDump #-} +withDump :: DumpHandle -> (Ptr P.PcapDumpTag -> IO a) -> IO a +withDump (DumpHandle hdl) f = withForeignPtr hdl f + +-- +-- Open a dump device +-- + +-- | 'openDump' opens a dump file for writing. This dump file is +-- written to by the 'dump' function. +openDump :: PcapHandle -- ^ packet capture handle + -> FilePath -- ^ name of dump file to write to + -> IO DumpHandle +openDump pch name = withPcap pch $ \hdl -> + DumpHandle `fmap` P.openDump hdl name + +-- +-- Set the filter +-- + +-- | Set a filter on the specified packet capture handle. Valid +-- filter strings are those accepted by @tcpdump@. +setFilter :: PcapHandle -- ^ handle on which to set filter + -> String -- ^ filter string + -> Bool -- ^ optimize? + -> Word32 -- ^ IPv4 network mask + -> IO () +setFilter pch filt opt mask = withPcap pch $ \hdl -> + P.setFilter hdl filt opt mask + + +-- +-- Set or read the device mode (blocking/nonblocking) +-- + +-- | Set the given 'PcapHandle' into non-blocking mode if the second +-- argument is 'True', otherwise put it in blocking mode. Note that +-- the 'PcapHandle' must have been obtained from 'openLive'. +-- +setNonBlock :: PcapHandle -- ^ must have been obtained from 'openLive' + -> Bool -- ^ set\/unset blocking mode + -> IO () +setNonBlock pch block = withPcap pch $ \hdl -> P.setNonBlock hdl block + +-- | Return the blocking status of the 'PcapHandle'. 'True' indicates +-- that the handle is non-blocking. Handles referring to dump files +-- opened by 'openDump' always return 'False'. +getNonBlock :: PcapHandle -> IO Bool +getNonBlock pch = withPcap pch P.getNonBlock + +-- | Specify the direction in which packets are to be captured. +-- Complete functionality is not necessarily available on all +-- platforms. +setDirection :: PcapHandle -> Direction -> IO () +setDirection pch dir = withPcap pch $ \hdl -> P.setDirection hdl dir + +{-# INLINE hdrTime #-} +-- | Get the timestamp of a packet as a single quantity, in microseconds. +hdrTime :: PktHdr -> Int64 +hdrTime pkt = fromIntegral (hdrSeconds pkt) * 1000000 + + fromIntegral (hdrUseconds pkt) + +-- | Get the timestamp of a packet as a 'DiffTime'. +hdrDiffTime :: PktHdr -> DiffTime +hdrDiffTime pkt = picosecondsToDiffTime (fromIntegral (hdrTime pkt) * 1000000) + +-- +-- Reading packets +-- + +-- | Collect and process packets. +-- +-- The count is the maximum number of packets to process before +-- returning. A count of -1 means process all of the packets received +-- in one buffer (if a live capture) or all of the packets in a +-- dump file (if offline). +-- +-- The callback function is passed two arguments, a packet header +-- record and a pointer to the packet data (@Ptr Word8@). THe header +-- record contains the number of bytes captured, whcih can be used to +-- marshal the data into a list, array, or 'B.ByteString' (using +-- 'toBS'). +-- +dispatch :: PcapHandle + -> Int -- ^ number of packets to process + -> Callback -- ^ packet processing function + -> IO Int -- ^ number of packets read +dispatch pch count f = withPcap pch $ \hdl -> P.dispatch hdl count f + +-- | Similar to 'dispatch', but loop until the number of packets +-- specified by the second argument are read. A negative value loops +-- forever. +-- +-- This function does not return when a live read tiemout occurs. Use +-- 'dispatch' instead if you wnat to specify a timeout. +loop :: PcapHandle + -> Int -- ^ number of packets to read (-1 == loop forever) + -> Callback -- ^ packet processing function + -> IO Int -- ^ number of packets read +loop pch count f = withPcap pch $ \hdl -> P.loop hdl count f + + +-- | Send a raw packet through the network interface. +sendPacket :: PcapHandle + -> Ptr Word8 -- ^ packet data (including link-level header) + -> Int -- ^ packet size + -> IO () +sendPacket pch buf size = withPcap pch $ \hdl -> P.sendPacket hdl buf size + +-- | Send a raw packet through the network interface. +sendPacketBS :: PcapHandle + -> B.ByteString -- ^ packet data (including link-level header) + -> IO () +sendPacketBS pch s = B.unsafeUseAsCStringLen s $ \(buf, len) -> + sendPacket pch (castPtr buf) len + +-- | Represent a captured packet as a 'B.ByteString'. Suitable for +-- use as is with the result of 'next', or use @'curry' 'toBS'@ inside +-- a 'Callback' with 'dispatch'. +toBS :: (PktHdr, Ptr Word8) -> IO (PktHdr, B.ByteString) +toBS (hdr, ptr) = do + let len = hdrCaptureLength hdr + s <- B.create (fromIntegral len) $ \p -> B.memcpy p ptr (fromIntegral len) + return (hdr, s) + +-- | Read the next packet (equivalent to calling 'dispatch' with a +-- count of 1). +next :: PcapHandle -> IO (PktHdr, Ptr Word8) +next pch = withPcap pch P.next + +-- | Write the packet data given by the second and third arguments to +-- a dump file opened by 'openDead'. 'dump' is designed so it can be +-- easily used as a default callback function by 'dispatch' or 'loop'. +dump :: DumpHandle + -> Ptr PktHdr -- ^ packet header record + -> Ptr Word8 -- ^ packet data + -> IO () +dump dh hdr pkt = withDump dh $ \hdl -> P.dump hdl hdr pkt + +-- +-- Datalink manipulation +-- + +-- | Returns the datalink type associated with the given handle. +datalink :: PcapHandle -> IO Link +datalink pch = withPcap pch P.datalink + + +-- | Sets the datalink type for the given handle. +setDatalink :: PcapHandle -> Link -> IO () +setDatalink pch link = withPcap pch $ \hdl -> P.setDatalink hdl link + +-- | List all the datalink types supported by the given +-- handle. Entries from the resulting list are valid arguments to +-- 'setDatalink'. +listDatalinks :: PcapHandle -> IO [Link] +listDatalinks pch = withPcap pch P.listDatalinks + +-- | Returns the number of packets received, the number of packets +-- dropped by the packet filter and the number of packets dropped by +-- the interface (before processing by the packet filter). +statistics :: PcapHandle -> IO Statistics +statistics pch = withPcap pch P.statistics + +-- | Version of the library. The returned pair consists of the major +-- and minor version numbers. +version :: PcapHandle -> IO (Int, Int) +version pch = withPcap pch P.version + +-- | 'isSwapped' returns 'True' if the current dump file uses a +-- different byte order than the one native to the system. +isSwapped :: PcapHandle -> IO Bool +isSwapped pch = withPcap pch P.isSwapped + + +-- | The snapshot length that was used in the call to 'openLive'. +snapshotLen :: PcapHandle -> IO Int +snapshotLen pch = withPcap pch P.snapshotLen diff --git a/Network/Pcap.hsc b/Network/Pcap.hsc deleted file mode 100644 --- a/Network/Pcap.hsc +++ /dev/null @@ -1,1100 +0,0 @@ ------------------------------------------------------------------------------- --- | --- Module : Network.Pcap --- Copyright : (c) Antiope Associates LLC 2004 --- License : BSD-style (see the file libraries/network/license) --- --- Maintainer : nickburlett@mac.com, dominic.steinitz@blueyonder.co.uk --- Stability : experimental --- Portability : non-portable --- --- The "Pcap" modules is a binding to all of the functions in --- libpcap (See for more information.) --- --- Only a minimum of mashalling is done; for light duty applications, --- the user can extract the length of the captured buffer --- from the packet header record and use 'peekArray' to convert the --- captured data to a list. For illustration: --- --- > import Pcap --- > import Foreign --- > --- > main = do --- > let --- > printIt :: PktHdr -> Ptr Word8 -> IO () --- > printIt ph bytep = do --- > a <- peekArray (fromIntegral (caplen ph)) bytep --- > print a --- > --- > p <- openLive "em0" 100 True 10000 --- > s <- withForeignPtr p $ \ptr -> do --- > dispatch ptr (-1) printIt --- > return () --- > --- --- Users requiring higher perfomance (such as O(1) access to any byte --- in a packet) should roll their own marshalling functions. --- --- Note that the SockAddr exported here is not the SockAddr from --- Network.Socket. The SockAddr from Network.Socket corresponds to --- @struct sockaddr_in@ in BSD terminology. The SockAddr record here --- is BDS's @struct sockaddr@. See W.R.Stevens, TCP Illustrated, volume 2, --- for further eluciadation. --- --- This binding should be portable for systems that can use the libpcap --- from tcpdump.org. It will not work with Winpcap, a similar library --- for Windows, although adapting it should not prove difficult. --- ------------------------------------------------------------------------------- - - -module Network.Pcap ( - - -- * Types - Pcap, - Pdump, - BpfProgram, - Callback, - Link(..), - Interface(..), - PcapAddr(..), - SockAddr(..), - Network(..), - PktHdr(..), - Statistics(..), - - -- * Device opening - openOffline, -- :: String -> IO Pcap - openLive, -- :: String -> Int -> Bool -> Int -> IO Pcap - openDead, -- :: Int -> Int -> IO Pcap - openDump, -- :: Ptr PcapTag -> String -> IO Pdump - - -- * Filter handling - setFilter, -- :: Ptr PcapTag -> String -> Bool -> Word32 -> IO () - compileFilter, -- :: Int -> Int -> String -> Bool -> Word32 -> IO BpfProgram - - -- * Device utilities - lookupDev, -- :: IO String - findAllDevs, -- :: IO [Interface] - lookupNet, -- :: String -> IO Network - - -- * Interface control - -- ** Blocking mode - setNonBlock, -- :: Ptr PcapTag -> Bool -> IO () - getNonBlock, -- :: Ptr PcapTag -> IO Bool - - -- ** Link layer utilities - datalink, -- :: Ptr PcapTag -> IO Link - setDatalink, -- :: Ptr PcapTag -> Link -> IO () - listDatalinks, -- :: Ptr PcapTag -> IO [Link] - - -- * Packet processing - dispatch, -- :: Ptr PcapTag -> Int -> Callback -> IO Int - loop, -- :: Ptr PcapTag -> Int -> Callback -> IO Int - next, -- :: Ptr PcapTag -> IO (PktHdr, Ptr Word8) - dump, -- :: Ptr PcapDumpTag -> Ptr PktHdr -> Ptr Word8 -> IO () - - -- * Miscellaneous - statistics, -- :: Ptr PcapTag -> IO Statistics - majorVersion, -- :: Ptr PcapTag -> IO Int - minorVersion, -- :: Ptr PcapTag -> IO Int - isSwapped, -- :: Ptr PcapTag -> IO Bool - snapshotLen, -- :: Ptr PcapTag -> IO Int -) where - -import Maybe (isNothing, fromJust ) -import Data.Word ( Word8, Word32 ) -import Foreign.Ptr ( Ptr, plusPtr, nullPtr, FunPtr, freeHaskellFunPtr ) -import Foreign.C.String ( peekCString, withCString ) -import Foreign.C.Types ( CInt, CUInt, CChar, CUChar, CLong ) -import Foreign.ForeignPtr ( ForeignPtr, FinalizerPtr, newForeignPtr ) -import Foreign.Marshal.Alloc ( alloca, allocaBytes, free ) -import Foreign.Marshal.Array ( allocaArray, peekArray ) -import Foreign.Marshal.Utils ( fromBool, toBool ) -import Foreign.Storable ( Storable(..) ) -import Network.Socket ( Family(..), unpackFamily) -import System.IO.Error ( userError ) - -#include -#include -#include -#include - -#include "config.h" - - -data BpfProgramTag --- | Compiled Berkeley Packet Filter program -type BpfProgram = ForeignPtr BpfProgramTag - -data PcapTag --- | packet capture descriptor -type Pcap = ForeignPtr PcapTag - -data PcapDumpTag --- | savefile descriptor -type Pdump = ForeignPtr PcapDumpTag - -data PktHdr = PktHdr { sec :: Word32, -- ^ timestamp (seconds) - usec :: Word32, -- ^ timestamp (microseconds) - caplen :: Word32, -- ^ number of bytes present in capture - len :: Word32 -- ^ number of bytes on the wire - } - deriving (Show) - -data Statistics = Statistics { recv :: Word32, -- ^ packets received - drop :: Word32, -- ^ packets dropped by libpcap - ifdrop :: Word32 -- ^ packets dropped by the interface - } - deriving (Show) - - --- --- Data types for interface list --- - --- | The interface structure -data Interface = Interface { ifName :: String, -- ^ the interface name - ifDescription :: String, -- ^ interface description string (if any) - ifAddresses :: [PcapAddr], -- ^ address families supported by this interface - ifFlags :: Word32 - } - deriving (Read, Show) - --- | The address structure -data PcapAddr = PcapAddr { ifAddr :: SockAddr, -- ^ interface address - ifMask :: Maybe SockAddr, -- ^ network mask - ifBcast :: Maybe SockAddr, -- ^ broadcast address - ifPeer :: Maybe SockAddr -- ^ address of peer, of a point-to-point link - } - deriving (Read, Show) - --- | --- The socket address record. Note that this is not the same as --- SockAddr from Network.Sockets. (That is a Haskell version of --- struct sockaddr_in. This is the real struct sockaddr from the BSD --- network stack.) --- -data SockAddr = SockAddr { sockAddrFamily :: Family, -- ^ an address family exported by Network.Socket - sockAddrAddr :: [Word8] - } - deriving (Read, Show) - --- | The network address record. Both the address and mask are in --- network byte order. -data Network = Network { netAddr :: Word32, -- ^ IPv4 network address - netMask :: Word32 -- ^ IPv4 netmask - } - deriving (Read, Show) - - --- --- Open a device --- - --- | --- openOffline opens a \"savefile\" for reading. The file foramt is the --- as used for tcpdump. The string \"-\" is a synonym for stdin. --- -openOffline - :: String -- ^ filename - -> IO Pcap -openOffline name = - withCString name $ \namePtr -> - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ptr <- pcap_open_offline namePtr errPtr - if ptr == nullPtr - then peekCString errPtr >>= ioError . userError - else do - final <- h2c pcap_close - newForeignPtr final ptr - --- | --- openLive is used to get a packet descriptor that can be used to --- look at packates on the network. The arguments are the device name, --- the snapshot legnth (in bytes), the promiscuity of the interface --- (True == promiscuous) and a timeout in milliseconds. --- --- Using \"any\" as the device name will capture packets from all interfaces. --- On some systems, reading from the \"any\" device is incompatible with --- setting the interfaces into promiscuous mode. In that case, only packets --- whose link layer addresses match those of the interfaces are captured. --- -openLive - :: String -- ^ device name - -> Int -- ^ snapshot length - -> Bool -- ^ set to promiscuous mode? - -> Int -- ^ timeout in milliseconds - -> IO Pcap -openLive name snaplen promisc timeout = - withCString name $ \namePtr -> - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ptr <- pcap_open_live namePtr - (fromIntegral snaplen) - (fromBool promisc) - (fromIntegral timeout) - errPtr - if ptr == nullPtr - then peekCString errPtr >>= ioError . userError - else do - final <- h2c pcap_close - newForeignPtr final ptr - --- | --- openDead is used to get a packet capture descriptor without opening --- a file or device. It is typically used to test packet filter compilation --- by setFilter. The arguments are the linktype and the snapshot length. --- -openDead - :: Link -- ^ datalink type - -> Int -- ^ snapshot length - -> IO Pcap -- ^ packet capture descriptor -openDead link snaplen = - do - ptr <- pcap_open_dead (packLink link) - (fromIntegral snaplen) - if ptr == nullPtr - then ioError $ userError "Can't open dead pcap device" - else do - final <- h2c pcap_close - newForeignPtr final ptr - - -foreign import ccall unsafe pcap_open_offline :: Ptr CChar -> Ptr CChar -> IO (Ptr PcapTag) -foreign import ccall unsafe pcap_close :: Ptr PcapTag -> IO () -foreign import ccall unsafe pcap_open_live :: Ptr CChar -> CInt -> CInt -> CInt -> Ptr CChar -> IO (Ptr PcapTag) -foreign import ccall unsafe pcap_open_dead :: CInt -> CInt -> IO (Ptr PcapTag) - -foreign import ccall "wrapper" h2c :: (Ptr PcapTag -> IO()) -> IO (FinalizerPtr a) - - - --- --- Open a dump device --- - --- | --- openDump opens a \"savefile\" for writing. This savefile is written to --- by the dump function. The arguments are a raw packet capture descriptor --- and the filename, with \"-\" as a synonym for stdout. --- -openDump - :: Ptr PcapTag -- ^ packet capture descriptor - -> String -- ^ savefile name - -> IO Pdump -- ^ davefile descriptor -openDump hdl name = - withCString name $ \namePtr -> do - ptr <- pcap_dump_open hdl namePtr - if (ptr == nullPtr) then - throwPcapError hdl - else do - final <- h2c' pcap_dump_close - newForeignPtr final ptr - -foreign import ccall unsafe pcap_dump_open :: Ptr PcapTag -> Ptr CChar -> IO (Ptr PcapDumpTag) -foreign import ccall unsafe pcap_dump_close :: Ptr PcapDumpTag -> IO () - -foreign import ccall "wrapper" h2c' :: (Ptr PcapDumpTag -> IO()) -> IO (FinalizerPtr a) - - --- --- Set the filter --- - --- | --- Set a filter on the specified packet capture descriptor. Valid filter --- strings are those accepted by tcpdump. --- -setFilter - :: Ptr PcapTag -- ^ packet capture descriptor - -> String -- ^ filter string - -> Bool -- ^ optimize? - -> Word32 -- ^ IPv4 network mask - -> IO () -setFilter hdl filt opt mask = - withCString filt $ \filter -> do - allocaBytes (#size struct bpf_program) $ \bpfp -> do - ret <- pcap_compile hdl - bpfp - filter - (fromBool opt) - (fromIntegral mask) - if ret == (-1) then - throwPcapError hdl - else do - ret <- pcap_setfilter hdl bpfp - if ret == (-1) then - throwPcapError hdl - else - pcap_freecode bpfp - --- | --- Compile a filter for use by another program using the Berkeley Packet --- Filter library. --- -compileFilter - :: Int -- ^ snapshot length - -> Link -- ^ datalink type - -> String -- ^ filter string - -> Bool -- ^ optimize? - -> Word32 -- ^ IPv4 network mask - -> IO BpfProgram -compileFilter snaplen link filt opt mask = - withCString filt $ \filter -> - allocaBytes (#size struct bpf_program) $ \bpfp -> do - ret <- pcap_compile_nopcap (fromIntegral snaplen) - (packLink link) - bpfp - filter - (fromBool opt) - (fromIntegral mask) - if ret == (-1) then - ioError $ userError "Pcap.compileFilter error" - else do - final <- h2c'' pcap_freecode - newForeignPtr final bpfp - - -foreign import ccall pcap_compile - :: Ptr PcapTag -> Ptr BpfProgramTag -> Ptr CChar -> CInt -> CInt -> IO CInt -foreign import ccall pcap_compile_nopcap - :: CInt -> CInt -> Ptr BpfProgramTag -> Ptr CChar -> CInt -> CInt -> IO CInt -foreign import ccall pcap_setfilter - :: Ptr PcapTag -> Ptr BpfProgramTag -> IO CInt -foreign import ccall pcap_freecode - :: Ptr BpfProgramTag -> IO () - -foreign import ccall "wrapper" h2c'' - :: (Ptr BpfProgramTag -> IO ()) -> IO (FinalizerPtr a) - - - --- --- Find devices --- - -data DevBuf -data DevAddr - - --- | --- lookupDev returns the name of a device suitable for use with --- openLive and lookupNet. If you only have one interface, it is the --- function of choice. If not, see findAllDevs. --- -lookupDev :: IO String -lookupDev = - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ptr <- pcap_lookupdev errPtr - if ptr == nullPtr - then peekCString errPtr >>= ioError . userError - else peekCString ptr - - --- | --- findAllDevs returns a list of all the network devices that can --- be opened by openLive. It returns only those devices that the --- calling process has sufficient privileges to open, so it may not --- find every device on the system. --- -findAllDevs :: IO [Interface] -findAllDevs = - alloca $ \dptr -> do - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ret <- pcap_findalldevs dptr errPtr - if (ret == -1) then - peekCString errPtr >>= ioError . userError - else do - dbuf <- peek dptr - dl <- devs2list dbuf - pcap_freealldevs dbuf - return dl - - -devs2list :: Ptr DevBuf -> IO [Interface] -devs2list dbuf - | dbuf == nullPtr = do return [] - | otherwise = do - nextdev <- (#peek struct pcap_if, next) dbuf - ds <- devs2list nextdev - d <- oneDev dbuf - return (d : ds) - - -oneDev :: Ptr DevBuf -> IO Interface -oneDev dbuf = - do - name <- (#peek struct pcap_if, name) dbuf - desc <- (#peek struct pcap_if, description) dbuf - addrs <- (#peek struct pcap_if, addresses) dbuf - flags <- (#peek struct pcap_if, flags) dbuf - - name' <- peekCString name - desc' <- if desc /= nullPtr then - peekCString desc - else - return "" - - addrs' <- addrs2list addrs - - return (Interface name' desc' addrs' (fromIntegral (flags :: CUInt))) - - -addrs2list :: Ptr DevAddr -> IO [PcapAddr] -addrs2list abuf - | abuf == nullPtr = do return [] - | otherwise = do - nextaddr <- (#peek struct pcap_addr, next) abuf - as <- addrs2list nextaddr - a <- oneAddr abuf - return (a : as) - - -oneAddr :: Ptr DevAddr -> IO PcapAddr -oneAddr abuf = - let - socka :: Ptr a -> IO (Maybe SockAddr) - socka sa = - if sa /= nullPtr then - do -#if defined(SA_LEN) - l <- ((#peek struct sockaddr, sa_len) sa) :: IO CUChar -#else - l <- return (#size struct sockaddr) :: IO CUChar -#endif - f <- ((#peek struct sockaddr, sa_family) sa) :: IO CUChar - - addr <- peekArray ((fromIntegral l) - (#offset struct sockaddr, sa_data)) - ((plusPtr sa (#offset struct sockaddr, sa_data)) :: Ptr Word8) - - return (Just (SockAddr (unpackFamily (fromIntegral f)) addr)) - else - return Nothing - in - do - addr <- (#peek struct pcap_addr, addr) abuf >>= socka - mask <- (#peek struct pcap_addr, netmask) abuf >>= socka - bcast <- (#peek struct pcap_addr, broadaddr) abuf >>= socka - peer <- (#peek struct pcap_addr, dstaddr) abuf >>= socka - - if isNothing addr then - ioError $ userError "Pcap.oneAddr: null address" - else - return (PcapAddr (fromJust addr) mask bcast peer) - - --- | Return the network address and mask for the specified interface --- name. Only valid for IPv4. For other protocols, --- use findAllDevs and search the Address list for the associated --- network mask. --- -lookupNet - :: String -- ^ device name - -> IO Network -lookupNet dev = - withCString dev $ \name -> - alloca $ \netp -> - alloca $ \maskp -> do - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ret <- pcap_lookupnet name netp maskp errPtr - if ret == (-1) then - peekCString errPtr >>= ioError . userError - else do - net <- peek netp - mask <- peek maskp - - return (Network (fromIntegral net) - (fromIntegral mask) ) - - -foreign import ccall unsafe pcap_lookupdev :: Ptr CChar -> IO (Ptr CChar) -foreign import ccall unsafe pcap_findalldevs :: Ptr (Ptr DevBuf) -> Ptr CChar -> IO CInt -foreign import ccall unsafe pcap_freealldevs :: Ptr DevBuf -> IO () -foreign import ccall unsafe pcap_lookupnet :: Ptr CChar -> Ptr CUInt -> Ptr CUInt -> Ptr CChar -> IO CInt - - - --- --- Set or read the device mode (blocking/nonblocking) --- - --- | Set a packet capture descriptor into non-blocking mode, if the --- second argument is True, otherwise put it in blocking mode. Note --- that the packet capture descripto must have been obtaine from openLive. --- -setNonBlock :: Ptr PcapTag -> Bool -> IO () -setNonBlock ptr block = - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ret <- pcap_setnonblock ptr (fromBool block) errPtr - if ret == (-1) - then peekCString errPtr >>= ioError . userError - else return () - --- --- | Return the blocking status of the packet capture descriptor. Ture --- indicates that the descriptor is non-blocking. Descriptors referring --- savefiles opened by openDump always reutre False. --- -getNonBlock :: Ptr PcapTag -> IO Bool -getNonBlock ptr = - allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do - ret <- pcap_getnonblock ptr errPtr - if ret == (-1) - then peekCString errPtr >>= ioError . userError - else return (toBool ret) - - -foreign import ccall unsafe pcap_setnonblock :: Ptr PcapTag -> CInt -> Ptr CChar -> IO CInt -foreign import ccall unsafe pcap_getnonblock :: Ptr PcapTag -> Ptr CChar -> IO CInt - - - --- --- Error handling --- - -throwPcapError :: Ptr PcapTag -> IO a -throwPcapError hdl = do - msg <- pcap_geterr hdl >>= peekCString - ioError (userError msg) - - -foreign import ccall unsafe pcap_geterr :: Ptr PcapTag -> IO (Ptr CChar) - - - --- --- Reading packets --- - --- | the type of the callback function passed to dispatch or loop. -type Callback = PktHdr -> Ptr Word8 -> IO () -type CCallback = Ptr Word8 -> Ptr PktHdr -> Ptr Word8 -> IO () - - -exportCallback :: Callback -> IO (FunPtr CCallback) -exportCallback f = exportCCallback $ \_user hdr ptr -> do - let ts = (#ptr struct pcap_pkthdr, ts) hdr - - s <- (#peek struct timeval, tv_sec) ts - us <- (#peek struct timeval, tv_usec) ts - caplen <- (#peek struct pcap_pkthdr, caplen) hdr - len <- (#peek struct pcap_pkthdr, len) hdr - - f - (PktHdr - (fromIntegral (s :: CLong)) - (fromIntegral (us :: CLong)) - (fromIntegral (caplen :: CUInt)) - (fromIntegral (len :: CUInt))) - ptr - - --- | --- Collect and process packets. The arguments are the packet capture --- descriptor, the count and a callback function. --- --- The count is the maximum number of packets to process before returning. --- A count of -1 means process all of the packets received in one buffer --- (if a live capture) or all of the packets in a savefile (if offline). --- --- The callback function is passed two arguments, a packet header --- record and a pointer to the packet data (Ptr Word8). THe header --- record contains the number of bytes captured, whcih can be used --- to marshal the data into a list or array. --- -dispatch - :: Ptr PcapTag -- ^ packet capture descriptor - -> Int -- ^ number of packets to process - -> Callback -- ^ packet processing function - -> IO Int -- ^ number of packets read -dispatch hdl count f = do - handler <- exportCallback f - result <- pcap_dispatch hdl (fromIntegral count) handler nullPtr - - freeHaskellFunPtr handler - - if (result == -1) then - throwPcapError hdl - else - return (fromIntegral result) - - --- | --- Similar to dispatch, but loop until the number of packets specified --- by the second argument are read. A negative value loops forever. --- --- It does not return when a live read tiemout occurs. Use dispatch instead --- if you wnat to specify a timeout. --- -loop - :: Ptr PcapTag -- ^ packet cpature descriptor - -> Int -- ^ number of packet to read - -> Callback -- ^ packet processing function - -> IO Int -- ^ number of packets read -loop hdl count f = do - handler <- exportCallback f - result <- pcap_loop hdl (fromIntegral count) handler nullPtr - - freeHaskellFunPtr handler - - if (result == -1) then - throwPcapError hdl - else - return (fromIntegral result) - - --- | --- Read the next packet (by calling dispatch with a count of 1). --- -next - :: Ptr PcapTag -- ^ packet capture descriptor - -> IO (PktHdr, Ptr Word8) -- ^ packet header and data of the next packet -next hdl = - allocaBytes (#size struct pcap_pkthdr) $ \hdr -> do - ptr <- pcap_next hdl hdr - if (ptr == nullPtr) then - return (PktHdr 0 0 0 0, ptr) - else do - let ts = (#ptr struct pcap_pkthdr, ts) hdr - - s <- (#peek struct timeval, tv_sec) ts - us <- (#peek struct timeval, tv_usec) ts - caplen <- (#peek struct pcap_pkthdr, caplen) hdr - len <- (#peek struct pcap_pkthdr, len) hdr - - return (PktHdr - (fromIntegral (s :: CLong)) - (fromIntegral (us :: CLong)) - (fromIntegral (caplen :: CUInt)) - (fromIntegral (len :: CUInt)), - ptr) - - --- | --- Write the packet data given by the second and third arguments --- to a savefile opened by openDead. dump is designed so it can be --- easily used as a default callback function by dispatch or loop. --- -dump - :: Ptr PcapDumpTag -- ^ savefile descriptor - -> Ptr PktHdr -- ^ packet header record - -> Ptr Word8 -- ^ packet data - -> IO () -dump hdl hdr pkt = pcap_dump hdl hdr pkt - - - -foreign import ccall "wrapper" exportCCallback - :: CCallback -> IO (FunPtr CCallback) - -foreign import ccall pcap_dispatch - :: Ptr PcapTag -> CInt -> FunPtr CCallback -> Ptr Word8 -> IO CInt -foreign import ccall pcap_loop - :: Ptr PcapTag -> CInt -> FunPtr CCallback -> Ptr Word8 -> IO CInt -foreign import ccall pcap_next - :: Ptr PcapTag -> Ptr PktHdr -> IO (Ptr Word8) -foreign import ccall pcap_dump - :: Ptr PcapDumpTag -> Ptr PktHdr -> Ptr Word8 -> IO () - - --- --- Datalink manipulation --- - --- | --- Returns the datalink type associated with the given pcap descriptor. --- -datalink :: Ptr PcapTag -> IO Link -datalink hdl = do - ret <- pcap_datalink hdl - return (unpackLink ret) - - --- | --- Sets the datalink type for a given pcap descriptor. --- -setDatalink :: Ptr PcapTag -> Link -> IO () -setDatalink hdl link = do - ret <- pcap_set_datalink hdl (packLink link) - if (ret == -1) then - throwPcapError hdl - else - return () - - --- | --- List all the datalink types supported by a pcap descriptor. Entries --- from the resulting list are valid arguments to setDatalink. --- -listDatalinks :: Ptr PcapTag -> IO [Link] -listDatalinks hdl = - alloca $ \lptr -> do - ret <- pcap_list_datalinks hdl lptr - if (ret == -1) then - throwPcapError hdl - else do - dlbuf <- peek lptr - dls <- peekArray (fromIntegral (ret :: CInt)) dlbuf - free dlbuf - return (map unpackLink dls) - - -foreign import ccall unsafe pcap_datalink :: Ptr PcapTag -> IO CInt -foreign import ccall unsafe pcap_set_datalink :: Ptr PcapTag -> CInt -> IO CInt -foreign import ccall unsafe pcap_list_datalinks :: Ptr PcapTag -> Ptr (Ptr CInt) -> IO CInt - - --- --- Statistics --- - -data PcapStats = PcapStats - --- | --- Returns the number of packets received, the number of packets --- dropped by the packet filter and the number of packets dropped --- by the interface (before processing by the packet filter). --- -statistics :: Ptr PcapTag -> IO Statistics -statistics hdl = - allocaBytes (#size struct pcap_stat) $ \stats -> do - ret <- pcap_stats hdl stats - if (ret == -1) then - throwPcapError hdl - else do - recv <- (#peek struct pcap_stat, ps_recv) stats - drop <- (#peek struct pcap_stat, ps_drop) stats - ifdrop <- (#peek struct pcap_stat, ps_ifdrop) stats - - return (Statistics - (fromIntegral (recv :: CUInt)) - (fromIntegral (drop :: CUInt)) - (fromIntegral (ifdrop :: CUInt))) - -foreign import ccall unsafe pcap_stats :: Ptr PcapTag -> Ptr PcapStats -> IO Int - - - --- --- Version information --- - --- | --- Major version number of the library. --- -majorVersion :: Ptr PcapTag -> IO Int -majorVersion ptr = do - v <- pcap_major_version ptr - return (fromIntegral (v :: CInt)) - - --- | --- Minor version number of the library. --- -minorVersion :: Ptr PcapTag -> IO Int -minorVersion ptr = do - v <- pcap_major_version ptr - return (fromIntegral (v :: CInt)) - - --- | --- isSwapped is True if the current savefile uses a different --- byte order than the one native to the system. --- -isSwapped :: Ptr PcapTag -> IO Bool -isSwapped ptr = do - sw <- pcap_is_swapped ptr - return (toBool sw) - - --- | --- The snapshot length that was used in the call to openLive. --- -snapshotLen :: Ptr PcapTag -> IO Int -snapshotLen ptr = do - l <- pcap_snapshot ptr - return (fromIntegral (l :: CInt)) - - -foreign import ccall pcap_major_version :: Ptr PcapTag -> IO CInt -foreign import ccall pcap_minor_version :: Ptr PcapTag -> IO CInt -foreign import ccall pcap_is_swapped :: Ptr PcapTag -> IO CInt -foreign import ccall pcap_snapshot :: Ptr PcapTag -> IO CInt - - --- --- Utility functions for data link types --- - --- | Datalink types. --- --- This covers all of the datalink types defined in bpf.h. --- Types defined on your system may vary. --- -data Link - = DLT_NULL -- ^ no link layer encapsulation -#ifdef DLT_EN10MB - | DLT_EN10MB -- ^ 10 Mbit per second (or faster) ethernet -#endif -#ifdef DLT_EN3MB - | DLT_EN3MB -- ^ original 3 Mbit per second ethernet -#endif -#ifdef DLT_AX25 - | DLT_AX25 -- ^ amateur radio AX.25 -#endif -#ifdef DLT_PRONET - | DLT_PRONET -- ^ Proteon ProNET Token Ring -#endif -#ifdef DLT_CHAOS - | DLT_CHAOS -- ^ Chaos -#endif -#ifdef DLT_IEEE802 - | DLT_IEEE802 -- ^ IEEE 802 networks -#endif -#ifdef DLT_ARCNET - | DLT_ARCNET -- ^ ARCNET -#endif -#ifdef DLT_SLIP - | DLT_SLIP -- ^ Serial line IP -#endif -#ifdef DLT_PPP - | DLT_PPP -- ^ Point-to-point protocol -#endif -#ifdef DLT_FDDI - | DLT_FDDI -- ^ FDDI -#endif -#ifdef DLT_ATM_RFC1483 - | DLT_ATM_RFC1483 -- ^ LLC SNAP encapsulated ATM -#endif -#ifdef DLT_RAW - | DLT_RAW -- ^ raw IP -#endif -#ifdef DLT_SLIP_BSDOS - | DLT_SLIP_BSDOS -- ^ BSD OS serial line IP -#endif -#ifdef DLT_PPP_BSDOS - | DLT_PPP_BSDOS -- ^ BSD OS point-to-point protocol -#endif -#ifdef DLT_ATM_CLIP - | DLT_ATM_CLIP -- ^ Linux classical IP over ATM -#endif -#ifdef DLT_PPP_SERIAL - | DLT_PPP_SERIAL -- ^ PPP over serial with HDLC encapsulation -#endif -#ifdef DLT_PPP_ETHER - | DLT_PPP_ETHER -- ^ PPP over ethernet -#endif -#ifdef DLT_C_HDLC - | DLT_C_HDLC -- ^ Cisco HDLC -#endif -#ifdef DLT_IEEE802_11 - | DLT_IEEE802_11 -- ^ IEEE 802.11 wireless -#endif -#ifdef DLT_LOOP - | DLT_LOOP -- ^ OpenBSD loopback device -#endif -#ifdef DLT_LINUX_SLL - | DLT_LINUX_SLL -- ^ Linux cooked sockets -#endif -#ifdef DLT_LTALK - | DLT_LTALK -- ^ Apple LocalTalk -#endif -#ifdef DLT_ECONET - | DLT_ECONET -- ^ Acorn Econet -#endif -#ifdef DLT_IPFILTER - | DLT_IPFILTER -- ^ OpenBSD's old ipfilter -#endif -#ifdef DLT_PFLOG - | DLT_PFLOG -- ^ OpenBSD's pflog -#endif -#ifdef DLT_CISCO_IOS - | DLT_CISCO_IOS -- ^ Cisco IOS -#endif -#ifdef DLT_PRISM_HEADER - | DLT_PRISM_HEADER -- ^ Intersil Prism II wireless chips -#endif -#ifdef DLT_AIRONET_HEADER - | DLT_AIRONET_HEADER -- ^ Aironet (Cisco) 802.11 wireless -#endif - deriving (Eq, Ord, Read, Show) - - -packLink :: Link -> CInt -packLink l = case l of - DLT_NULL -> #const DLT_NULL -#ifdef DLT_EN10MB - DLT_EN10MB -> #const DLT_EN10MB -#endif -#ifdef DLT_EN3MB - DLT_EN3MB -> #const DLT_EN3MB -#endif -#ifdef DLT_AX25 - DLT_AX25 -> #const DLT_AX25 -#endif -#ifdef DLT_PRONET - DLT_PRONET -> #const DLT_PRONET -#endif -#ifdef DLT_CHAOS - DLT_CHAOS -> #const DLT_CHAOS -#endif -#ifdef DLT_IEEE802 - DLT_IEEE802 -> #const DLT_IEEE802 -#endif -#ifdef DLT_ARCNET - DLT_ARCNET -> #const DLT_ARCNET -#endif -#ifdef DLT_SLIP - DLT_SLIP -> #const DLT_SLIP -#endif -#ifdef DLT_PPP - DLT_PPP -> #const DLT_PPP -#endif -#ifdef DLT_FDDI - DLT_FDDI -> #const DLT_FDDI -#endif -#ifdef DLT_ATM_RFC1483 - DLT_ATM_RFC1483 -> #const DLT_ATM_RFC1483 -#endif -#ifdef DLT_RAW - DLT_RAW -> #const DLT_RAW -#endif -#ifdef DLT_SLIP_BSDOS - DLT_SLIP_BSDOS -> #const DLT_SLIP_BSDOS -#endif -#ifdef DLT_PPP_BSDOS - DLT_PPP_BSDOS -> #const DLT_PPP_BSDOS -#endif -#ifdef DLT_ATM_CLIP - DLT_ATM_CLIP -> #const DLT_ATM_CLIP -#endif -#ifdef DLT_PPP_SERIAL - DLT_PPP_SERIAL -> #const DLT_PPP_SERIAL -#endif -#ifdef DLT_PPP_ETHER - DLT_PPP_ETHER -> #const DLT_PPP_ETHER -#endif -#ifdef DLT_C_HDLC - DLT_C_HDLC -> #const DLT_C_HDLC -#endif -#ifdef DLT_IEEE802_11 - DLT_IEEE802_11 -> #const DLT_IEEE802_11 -#endif -#ifdef DLT_LOOP - DLT_LOOP -> #const DLT_LOOP -#endif -#ifdef DLT_LINUX_SLL - DLT_LINUX_SLL -> #const DLT_LINUX_SLL -#endif -#ifdef DLT_LTALK - DLT_LTALK -> #const DLT_LTALK -#endif -#ifdef DLT_ECONET - DLT_ECONET -> #const DLT_ECONET -#endif -#ifdef DLT_IPFILTER - DLT_IPFILTER -> #const DLT_IPFILTER -#endif -#ifdef DLT_PFLOG - DLT_PFLOG -> #const DLT_PFLOG -#endif -#ifdef DLT_CISCO_IOS - DLT_CISCO_IOS -> #const DLT_CISCO_IOS -#endif -#ifdef DLT_PRISM_HEADER - DLT_PRISM_HEADER -> #const DLT_PRISM_HEADER -#endif -#ifdef DLT_AIRONET_HEADER - DLT_AIRONET_HEADER -> #const DLT_AIRONET_HEADER -#endif - - - -unpackLink :: CInt -> Link -unpackLink l = case l of - (#const DLT_NULL) -> DLT_NULL -#ifdef DLT_EN10MB - (#const DLT_EN10MB) -> DLT_EN10MB -#endif -#ifdef DLT_EN3MB - (#const DLT_EN3MB) -> DLT_EN3MB -#endif -#ifdef DLT_AX25 - (#const DLT_AX25) -> DLT_AX25 -#endif -#ifdef DLT_PRONET - (#const DLT_PRONET) -> DLT_PRONET -#endif -#ifdef DLT_CHAOS - (#const DLT_CHAOS) -> DLT_CHAOS -#endif -#ifdef DLT_IEEE802 - (#const DLT_IEEE802) -> DLT_IEEE802 -#endif -#ifdef DLT_ARCNET - (#const DLT_ARCNET) -> DLT_ARCNET -#endif -#ifdef DLT_SLIP - (#const DLT_SLIP) -> DLT_SLIP -#endif -#ifdef DLT_PPP - (#const DLT_PPP) -> DLT_PPP -#endif -#ifdef DLT_FDDI - (#const DLT_FDDI) -> DLT_FDDI -#endif -#ifdef DLT_ATM_RFC1483 - (#const DLT_ATM_RFC1483) -> DLT_ATM_RFC1483 -#endif -#ifdef DLT_RAW - (#const DLT_RAW) -> DLT_RAW -#endif -#ifdef DLT_SLIP_BSDOS - (#const DLT_SLIP_BSDOS) -> DLT_SLIP_BSDOS -#endif -#ifdef DLT_PPP_BSDOS - (#const DLT_PPP_BSDOS) -> DLT_PPP_BSDOS -#endif -#ifdef DLT_ATM_CLIP - (#const DLT_ATM_CLIP) -> DLT_ATM_CLIP -#endif -#ifdef DLT_PPP_SERIAL - (#const DLT_PPP_SERIAL) -> DLT_PPP_SERIAL -#endif -#ifdef DLT_PPP_ETHER - (#const DLT_PPP_ETHER) -> DLT_PPP_ETHER -#endif -#ifdef DLT_C_HDLC - (#const DLT_C_HDLC) -> DLT_C_HDLC -#endif -#ifdef DLT_IEEE802_11 - (#const DLT_IEEE802_11) -> DLT_IEEE802_11 -#endif -#ifdef DLT_LOOP - (#const DLT_LOOP) -> DLT_LOOP -#endif -#ifdef DLT_LINUX_SLL - (#const DLT_LINUX_SLL) -> DLT_LINUX_SLL -#endif -#ifdef DLT_LTALK - (#const DLT_LTALK) -> DLT_LTALK -#endif -#ifdef DLT_ECONET - (#const DLT_ECONET) -> DLT_ECONET -#endif -#ifdef DLT_IPFILTER - (#const DLT_IPFILTER) -> DLT_IPFILTER -#endif -#ifdef DLT_PFLOG - (#const DLT_PFLOG) -> DLT_PFLOG -#endif -#ifdef DLT_CISCO_IOS - (#const DLT_CISCO_IOS) -> DLT_CISCO_IOS -#endif -#ifdef DLT_PRISM_HEADER - (#const DLT_PRISM_HEADER) -> DLT_PRISM_HEADER -#endif -#ifdef DLT_AIRONET_HEADER - (#const DLT_AIRONET_HEADER) -> DLT_AIRONET_HEADER -#endif diff --git a/Network/Pcap/Base.hsc b/Network/Pcap/Base.hsc new file mode 100644 --- /dev/null +++ b/Network/Pcap/Base.hsc @@ -0,0 +1,1470 @@ +{-# OPTIONS_GHC -fno-warn-unused-binds #-} +------------------------------------------------------------------------------ +-- | +-- Module : Network.Pcap.Base +-- Copyright : Bryan O'Sullivan 2007, Antiope Associates LLC 2004 +-- License : BSD-style +-- Maintainer : bos@serpentine.com +-- Stability : experimental +-- Portability : non-portable +-- +-- The 'Network.Pcap.Base' module is a low-level binding to all of the +-- functions in @libpcap@. See for more +-- information. +-- +-- Only a minimum of marshaling is done. For a higher-level interface +-- that\'s more friendly, use the 'Network.Pcap' module. +-- +-- To convert captured packet data to a list, extract the length of +-- the captured buffer from the packet header record and use +-- 'peekArray' to convert the captured data to a list. For +-- illustration: +-- +-- > import Network.Pcap.Base +-- > import Foreign.Marshal.Array (peekArray) +-- > +-- > main = do +-- > let printIt :: PktHdr -> Ptr Word8 -> IO () +-- > printIt ph bytep = do +-- > a <- peekArray (fromIntegral (hdrCaptureLength ph)) bytep +-- > print a +-- > +-- > p <- openLive "em0" 100 True 10000 +-- > s <- withForeignPtr p $ \ptr -> do +-- > dispatch ptr (-1) printIt +-- > return () +-- +-- Note that the 'SockAddr' exported here is not the @SockAddr@ from +-- 'Network.Socket'. The @SockAddr@ from 'Network.Socket' corresponds +-- to @struct sockaddr_in@ in BSD terminology. The 'SockAddr' record +-- here is BSD's @struct sockaddr@. See W.R.Stevens, TCP Illustrated, +-- volume 2, for further elucidation. +-- +-- This binding should be portable across systems that can use the +-- @libpcap@ library from @tcpdump.org@. It will not work with +-- Winpcap, a similar library for Windows, although adapting it should +-- not prove difficult. +-- +------------------------------------------------------------------------------ + + +module Network.Pcap.Base + ( + -- * Types + PcapTag + , PcapDumpTag + , Pdump + , BpfProgram + , BpfProgramTag + , Callback + , Direction(..) + , Link(..) + , Interface(..) + , PcapAddr(..) + , SockAddr(..) + , Network(..) + , PktHdr(..) + , Statistics(..) + + -- * Device opening + , openOffline -- :: FilePath -> IO Pcap + , openLive -- :: String -> Int -> Bool -> Int -> IO Pcap + , openDead -- :: Int -> Int -> IO Pcap + , openDump -- :: Ptr PcapTag -> FilePath -> IO Pdump + + -- * Filter handling + , setFilter -- :: Ptr PcapTag -> String -> Bool -> Word32 -> IO () + , compileFilter -- :: Int -> Int -> String -> Bool -> Word32 -> IO BpfProgram + + -- * Device utilities + , lookupDev -- :: IO String + , findAllDevs -- :: IO [Interface] + , lookupNet -- :: String -> IO Network + + -- * Interface control + + , setNonBlock -- :: Ptr PcapTag -> Bool -> IO () + , getNonBlock -- :: Ptr PcapTag -> IO Bool + , setDirection + + -- * Link layer utilities + , datalink -- :: Ptr PcapTag -> IO Link + , setDatalink -- :: Ptr PcapTag -> Link -> IO () + , listDatalinks -- :: Ptr PcapTag -> IO [Link] + + -- * Packet processing + , dispatch -- :: Ptr PcapTag -> Int -> Callback -> IO Int + , loop -- :: Ptr PcapTag -> Int -> Callback -> IO Int + , next -- :: Ptr PcapTag -> IO (PktHdr, Ptr Word8) + , dump -- :: Ptr PcapDumpTag -> Ptr PktHdr -> Ptr Word8 -> IO () + + -- * Sending packets + , sendPacket + + -- * Conversion + , toPktHdr + + -- * Miscellaneous + , statistics -- :: Ptr PcapTag -> IO Statistics + , version -- :: Ptr PcapTag -> IO (Int, Int) + , isSwapped -- :: Ptr PcapTag -> IO Bool + , snapshotLen -- :: Ptr PcapTag -> IO Int + ) where + +import Control.Monad (when) +import Data.Maybe (isNothing, fromJust ) +import Data.ByteString () +import qualified Data.ByteString.Base as B +import Data.Word (Word8, Word32) +import Foreign.Ptr (Ptr, plusPtr, nullPtr, FunPtr, freeHaskellFunPtr) +import Foreign.C.String (CString, peekCString, withCString) +import Foreign.C.Types (CInt, CUInt, CChar, CUChar, CLong) +import Foreign.ForeignPtr (ForeignPtr, FinalizerPtr, newForeignPtr) +import Foreign.Marshal.Alloc (alloca, allocaBytes, free) +import Foreign.Marshal.Array (allocaArray, peekArray) +import Foreign.Marshal.Utils (fromBool, toBool) +import Foreign.Storable (Storable(..)) +import Network.Socket (Family(..), unpackFamily) +import System.IO.Error (userError) + +#include +#include +#include +#include + +newtype BpfProgramTag = BpfProgramTag () +-- | Compiled Berkeley Packet Filter program +type BpfProgram = ForeignPtr BpfProgramTag + +newtype PcapTag = PcapTag () +-- | packet capture descriptor + +newtype PcapDumpTag = PcapDumpTag () +-- | dump file descriptor +type Pdump = ForeignPtr PcapDumpTag + +data PktHdr = PktHdr { + hdrSeconds :: {-# UNPACK #-} !Word32 -- ^ timestamp (seconds) + , hdrUseconds :: {-# UNPACK #-} !Word32 -- ^ timestamp (microseconds) + , hdrCaptureLength :: {-# UNPACK #-} !Word32 -- ^ number of bytes present in capture + , hdrWireLength :: {-# UNPACK #-} !Word32 -- ^ number of bytes on the wire + } deriving (Eq, Show) + +data Statistics = Statistics { + statReceived :: {-# UNPACK #-} !Word32 -- ^ packets received + , statDropped :: {-# UNPACK #-} !Word32 -- ^ packets dropped by @libpcap@ + , statIfaceDropped :: {-# UNPACK #-} !Word32 -- ^ packets dropped by the network interface + } deriving (Eq, Show) + +type ErrBuf = Ptr CChar + +-- +-- Data types for interface list +-- + +-- | The interface structure. +data Interface = Interface { + ifName :: String -- ^ the interface name + , ifDescription :: String -- ^ interface description string (if any) + , ifAddresses :: [PcapAddr] -- ^ address families supported by this interface + , ifFlags :: Word32 + } deriving (Eq, Read, Show) + +-- | The address structure. +data PcapAddr = PcapAddr { + addrSA :: SockAddr -- ^ interface address + , addrMask :: Maybe SockAddr -- ^ network mask + , addrBcast :: Maybe SockAddr -- ^ broadcast address + , addrPeer :: Maybe SockAddr -- ^ address of peer, of a point-to-point link + } deriving (Eq, Read, Show) + +-- | The socket address record. Note that this is not the same as +-- SockAddr from 'Network.Socket'. (That is a Haskell version of C\'s +-- @struct sockaddr_in@. This is the real @struct sockaddr@ from the +-- BSD network stack.) +data SockAddr = SockAddr { + saFamily :: {-# UNPACK #-} !Family -- ^ an address family exported by Network.Socket + , saAddr :: {-# UNPACK #-} !B.ByteString + } deriving (Eq, Read, Show) + +-- | The network address record. Both the address and mask are in +-- network byte order. +data Network = Network { + netAddr :: {-# UNPACK #-} !Word32 -- ^ IPv4 network address + , netMask :: {-# UNPACK #-} !Word32 -- ^ IPv4 netmask + } deriving (Eq, Read, Show) + +withErrBuf :: (a -> Bool) -> (ErrBuf -> IO a) -> IO a +withErrBuf isError f = allocaArray (#const PCAP_ERRBUF_SIZE) $ \errPtr -> do + ret <- f errPtr + if isError ret + then peekCString errPtr >>= ioError . userError + else return ret + +-- | 'openOffline' opens a dump file for reading. The file format +-- is the same as used by @tcpdump@ and Wireshark. The string @\"-\"@ +-- is a synonym for @stdin@. +-- +openOffline :: FilePath -- ^ filename + -> IO (ForeignPtr PcapTag) +openOffline name = + withCString name $ \namePtr -> do + ptr <- withErrBuf (== nullPtr) (pcap_open_offline namePtr) + final <- h2c pcap_close + newForeignPtr final ptr + +-- | 'openLive' is used to get a packet descriptor that can be used to +-- look at packets on the network. The arguments are the device name, +-- the snapshot legnth (in bytes), the promiscuity of the interface +-- ('True' == promiscuous) and a timeout in milliseconds. +-- +-- Using @\"any\"@ as the device name will capture packets from all +-- interfaces. On some systems, reading from the @\"any\"@ device is +-- incompatible with setting the interfaces into promiscuous mode. In +-- that case, only packets whose link layer addresses match those of +-- the interfaces are captured. +-- +openLive :: String -- ^ device name + -> Int -- ^ snapshot length + -> Bool -- ^ set to promiscuous mode? + -> Int -- ^ timeout in milliseconds + -> IO (ForeignPtr PcapTag) +openLive name snaplen promisc timeout = + withCString name $ \namePtr -> do + ptr <- withErrBuf (== nullPtr) $ pcap_open_live namePtr + (fromIntegral snaplen) (fromBool promisc) (fromIntegral timeout) + final <- h2c pcap_close + newForeignPtr final ptr + +-- | 'openDead' is used to get a packet capture descriptor without +-- opening a file or device. It is typically used to test packet +-- filter compilation by 'setFilter'. The arguments are the link type +-- and the snapshot length. +-- +openDead :: Link -- ^ datalink type + -> Int -- ^ snapshot length + -> IO (ForeignPtr PcapTag) -- ^ packet capture descriptor +openDead link snaplen = do + ptr <- pcap_open_dead (packLink link) + (fromIntegral snaplen) + when (ptr == nullPtr) $ + ioError $ userError "Can't open dead pcap device" + final <- h2c pcap_close + newForeignPtr final ptr + + +foreign import ccall unsafe pcap_open_offline + :: CString -> ErrBuf -> IO (Ptr PcapTag) +foreign import ccall unsafe pcap_close + :: Ptr PcapTag -> IO () +foreign import ccall unsafe pcap_open_live + :: CString -> CInt -> CInt -> CInt -> ErrBuf -> IO (Ptr PcapTag) +foreign import ccall unsafe pcap_open_dead + :: CInt -> CInt -> IO (Ptr PcapTag) +foreign import ccall "wrapper" h2c + :: (Ptr PcapTag -> IO()) -> IO (FinalizerPtr a) + + +-- +-- Open a dump device +-- + +-- | 'openDump' opens a dump file for writing. This dump file is +-- written to by the 'dump' function. The arguments are a raw packet +-- capture descriptor and the file name, with \"-\" as a synonym for +-- @stdout@. +openDump :: Ptr PcapTag -- ^ packet capture descriptor + -> FilePath -- ^ dump file name + -> IO Pdump -- ^ davefile descriptor +openDump hdl name = + withCString name $ \namePtr -> do + ptr <- pcap_dump_open hdl namePtr >>= throwPcapIf hdl (== nullPtr) + final <- h2c' pcap_dump_close + newForeignPtr final ptr + +foreign import ccall unsafe pcap_dump_open + :: Ptr PcapTag -> CString -> IO (Ptr PcapDumpTag) +foreign import ccall unsafe pcap_dump_close + :: Ptr PcapDumpTag -> IO () +foreign import ccall "wrapper" h2c' + :: (Ptr PcapDumpTag -> IO()) -> IO (FinalizerPtr a) + +-- +-- Set the filter +-- + +-- | Set a filter on the specified packet capture descriptor. Valid +-- filter strings are those accepted by @tcpdump@. +setFilter :: Ptr PcapTag -- ^ packet capture descriptor + -> String -- ^ filter string + -> Bool -- ^ optimize? + -> Word32 -- ^ IPv4 network mask + -> IO () +setFilter hdl filt opt mask = + withCString filt $ \filter -> do + allocaBytes (#size struct bpf_program) $ \bpfp -> do + pcap_compile hdl bpfp filter (fromBool opt) (fromIntegral mask) >>= + throwPcapIf hdl (== -1) + pcap_setfilter hdl bpfp >>= throwPcapIf hdl (== -1) + pcap_freecode bpfp + +-- | Compile a filter for use by another program using the Berkeley +-- Packet Filter library. +compileFilter :: Int -- ^ snapshot length + -> Link -- ^ datalink type + -> String -- ^ filter string + -> Bool -- ^ optimize? + -> Word32 -- ^ IPv4 network mask + -> IO BpfProgram +compileFilter snaplen link filt opt mask = + withCString filt $ \filter -> + allocaBytes (#size struct bpf_program) $ \bpfp -> do + ret <- pcap_compile_nopcap (fromIntegral snaplen) + (packLink link) + bpfp + filter + (fromBool opt) + (fromIntegral mask) + when (ret == (-1)) $ + ioError $ userError "Pcap.compileFilter error" + final <- h2c'' pcap_freecode + newForeignPtr final bpfp + +foreign import ccall pcap_compile + :: Ptr PcapTag -> Ptr BpfProgramTag -> CString -> CInt -> CInt + -> IO CInt +foreign import ccall pcap_compile_nopcap + :: CInt -> CInt -> Ptr BpfProgramTag -> CString -> CInt -> CInt + -> IO CInt +foreign import ccall pcap_setfilter + :: Ptr PcapTag -> Ptr BpfProgramTag -> IO CInt +foreign import ccall pcap_freecode + :: Ptr BpfProgramTag -> IO () +foreign import ccall "wrapper" h2c'' + :: (Ptr BpfProgramTag -> IO ()) -> IO (FinalizerPtr a) + +-- +-- Find devices +-- + +newtype DevBuf = DevBuf () +newtype DevAddr = DevAddr () + + +-- | 'lookupDev' returns the name of a device suitable for use with +-- 'openLive' and 'lookupNet'. If you only have one interface, it is +-- the function of choice. If not, see 'findAllDevs'. +lookupDev :: IO String +lookupDev = withErrBuf (== nullPtr) pcap_lookupdev >>= peekCString + +-- | 'findAllDevs' returns a list of all the network devices that can +-- be opened by 'openLive'. It returns only those devices that the +-- calling process has sufficient privileges to open, so it may not +-- find every device on the system. +findAllDevs :: IO [Interface] +findAllDevs = + alloca $ \dptr -> do + withErrBuf (== -1) (pcap_findalldevs dptr) + dbuf <- peek dptr + dl <- devs2list dbuf + pcap_freealldevs dbuf + return dl + +devs2list :: Ptr DevBuf -> IO [Interface] +devs2list dbuf + | dbuf == nullPtr = return [] + | otherwise = do + nextdev <- (#peek struct pcap_if, next) dbuf + ds <- devs2list nextdev + d <- oneDev dbuf + return (d : ds) + +oneDev :: Ptr DevBuf -> IO Interface +oneDev dbuf = do + name <- (#peek struct pcap_if, name) dbuf + desc <- (#peek struct pcap_if, description) dbuf + addrs <- (#peek struct pcap_if, addresses) dbuf + flags <- (#peek struct pcap_if, flags) dbuf + + name' <- peekCString name + desc' <- if desc /= nullPtr + then peekCString desc + else return "" + + addrs' <- addrs2list addrs + + return Interface { ifName = name' + , ifDescription = desc' + , ifAddresses = addrs' + , ifFlags = fromIntegral (flags :: CUInt) + } + +addrs2list :: Ptr DevAddr -> IO [PcapAddr] +addrs2list abuf + | abuf == nullPtr = return [] + | otherwise = do + nextaddr <- (#peek struct pcap_addr, next) abuf + as <- addrs2list nextaddr + a <- oneAddr abuf + return (a : as) + +oneAddr :: Ptr DevAddr -> IO PcapAddr +oneAddr abuf = + let socka :: Ptr a -> IO (Maybe SockAddr) + socka sa | sa == nullPtr = return Nothing + | otherwise = do +#if defined(HAVE_STRUCT_SOCKADDR_SA_LEN) + l <- ((#peek struct sockaddr, sa_len) sa) :: IO CUChar +#else + l <- return (#size struct sockaddr) :: IO CUChar +#endif + f <- ((#peek struct sockaddr, sa_family) sa) :: IO CUChar + + let off = (#offset struct sockaddr, sa_data) + nbytes = ((fromIntegral l) - off) + addr <- B.create nbytes $ \p -> + B.memcpy p (plusPtr sa off :: Ptr Word8) + (fromIntegral nbytes) + + return (Just (SockAddr (unpackFamily (fromIntegral f)) addr)) + in do + addr <- socka =<< (#peek struct pcap_addr, addr) abuf + + when (isNothing addr) $ + ioError $ userError "Pcap.oneAddr: null address" + + mask <- socka =<< (#peek struct pcap_addr, netmask) abuf + bcast <- socka =<< (#peek struct pcap_addr, broadaddr) abuf + peer <- socka =<< (#peek struct pcap_addr, dstaddr) abuf + + return PcapAddr { addrSA = fromJust addr + , addrMask = mask + , addrBcast = bcast + , addrPeer = peer + } + + +-- | Return the network address and mask for the specified interface +-- name. Only valid for IPv4. For other protocols, use 'findAllDevs' +-- and search the 'Interface' list for the associated network mask. +lookupNet :: String -- ^ device name + -> IO Network +lookupNet dev = withCString dev $ \name -> + alloca $ \netp -> alloca $ \maskp -> do + withErrBuf (== -1) (pcap_lookupnet name netp maskp) + net <- peek netp + mask <- peek maskp + + return Network { netAddr = fromIntegral net + , netMask = fromIntegral mask + } + + +foreign import ccall unsafe pcap_lookupdev + :: CString -> IO CString +foreign import ccall unsafe pcap_findalldevs + :: Ptr (Ptr DevBuf) -> ErrBuf -> IO CInt +foreign import ccall unsafe pcap_freealldevs + :: Ptr DevBuf -> IO () +foreign import ccall unsafe pcap_lookupnet + :: CString -> Ptr CUInt -> Ptr CUInt -> ErrBuf -> IO CInt + +-- +-- Set or read the device mode (blocking/nonblocking) +-- + +-- | Set a packet capture descriptor into non-blocking mode if the +-- second argument is 'True', otherwise put it in blocking mode. Note +-- that the packet capture descriptor must have been obtaine from +-- 'openLive'. +-- +setNonBlock :: Ptr PcapTag -> Bool -> IO () +setNonBlock hdl block = do + withErrBuf (== -1) (pcap_setnonblock hdl (fromBool block)) + return () + +-- | Return the blocking status of the packet capture +-- descriptor. 'True' indicates that the descriptor is +-- non-blocking. Descriptors referring to dump files opened by +-- 'openDump' always return 'False'. +getNonBlock :: Ptr PcapTag -> IO Bool +getNonBlock hdl = toBool `fmap` withErrBuf (== -1) (pcap_getnonblock hdl) + +-- | The direction in which packets are to be captured. See +-- 'setDirection'. +data Direction = InOut -- ^ incoming and outgoing packets (the default + | In -- ^ incoming packets + | Out -- ^ outgoing packets + deriving (Eq, Show, Read) + +-- | Specify the direction in which packets are to be captured. +-- Complete functionality is not necessarily available on all +-- platforms. +setDirection :: Ptr PcapTag -> Direction -> IO () +setDirection hdl dir = do + pcap_setdirection hdl (packDirection dir) >>= throwPcapIf hdl (== -1) + return () + +packDirection :: Direction -> CInt +packDirection In = (#const PCAP_D_IN) +packDirection Out = (#const PCAP_D_OUT) +packDirection InOut = (#const PCAP_D_INOUT) + +foreign import ccall unsafe pcap_setnonblock + :: Ptr PcapTag -> CInt -> ErrBuf -> IO CInt +foreign import ccall unsafe pcap_getnonblock + :: Ptr PcapTag -> ErrBuf -> IO CInt +foreign import ccall unsafe pcap_setdirection + :: Ptr PcapTag -> CInt -> IO CInt + +-- +-- Error handling +-- + +throwPcapIf :: Ptr PcapTag -> (a -> Bool) -> a -> IO a +throwPcapIf hdl p v = if p v + then pcap_geterr hdl >>= peekCString >>= ioError . userError + else return v + +foreign import ccall unsafe pcap_geterr + :: Ptr PcapTag -> IO CString + +-- | Send a raw packet through the network interface. +sendPacket :: Ptr PcapTag + -> Ptr Word8 -- ^ packet data (including link-level header) + -> Int -- ^ packet size + -> IO () +sendPacket hdl buf size = do + pcap_sendpacket hdl buf (fromIntegral size) >>= throwPcapIf hdl (== -1) + return () + +foreign import ccall unsafe pcap_sendpacket + :: Ptr PcapTag -> Ptr Word8 -> CInt -> IO CInt + +-- | the type of the callback function passed to 'dispatch' or 'loop'. +type Callback = PktHdr -> Ptr Word8 -> IO () +type CCallback = Ptr Word8 -> Ptr PktHdr -> Ptr Word8 -> IO () + +toPktHdr :: Ptr PktHdr -> IO PktHdr +toPktHdr hdr = do + let ts = (#ptr struct pcap_pkthdr, ts) hdr + + s <- (#peek struct timeval, tv_sec) ts + us <- (#peek struct timeval, tv_usec) ts + caplen <- (#peek struct pcap_pkthdr, caplen) hdr + len <- (#peek struct pcap_pkthdr, len) hdr + + return PktHdr { hdrSeconds = fromIntegral (s :: CLong) + , hdrUseconds = fromIntegral (us :: CLong) + , hdrCaptureLength = fromIntegral (caplen :: CUInt) + , hdrWireLength = fromIntegral (len :: CUInt) + } + +exportCallback :: Callback -> IO (FunPtr CCallback) +exportCallback f = exportCCallback $ \_user chdr ptr -> do + hdr <- toPktHdr chdr + f hdr ptr + + +-- | Collect and process packets. The arguments are the packet capture +-- descriptor, the count and a callback function. +-- +-- The count is the maximum number of packets to process before +-- returning. A count of -1 means process all of the packets received +-- in one buffer (if a live capture) or all of the packets in a +-- dump file (if offline). +-- +-- The callback function is passed two arguments, a packet header +-- record and a pointer to the packet data (@Ptr Word8@). THe header +-- record contains the number of bytes captured, whcih can be used to +-- marshal the data into a list or array. +-- +dispatch :: Ptr PcapTag -- ^ packet capture descriptor + -> Int -- ^ number of packets to process + -> Callback -- ^ packet processing function + -> IO Int -- ^ number of packets read +dispatch hdl count f = do + handler <- exportCallback f + result <- pcap_dispatch hdl (fromIntegral count) handler nullPtr + + freeHaskellFunPtr handler + + fromIntegral `fmap` throwPcapIf hdl (== -1) result + +-- | Similar to 'dispatch', but loop until the number of packets +-- specified by the second argument are read. A negative value loops +-- forever. +-- +-- This function does not return when a live read tiemout occurs. Use +-- 'dispatch' instead if you wnat to specify a timeout. +loop :: Ptr PcapTag -- ^ packet capture descriptor + -> Int -- ^ number of packet to read + -> Callback -- ^ packet processing function + -> IO Int -- ^ number of packets read +loop hdl count f = do + handler <- exportCallback f + result <- pcap_loop hdl (fromIntegral count) handler nullPtr + + freeHaskellFunPtr handler + + fromIntegral `fmap` throwPcapIf hdl (== -1) result + +-- | Read the next packet (equivalent to calling 'dispatch' with a +-- count of 1). +next :: Ptr PcapTag -- ^ packet capture descriptor + -> IO (PktHdr, Ptr Word8) -- ^ packet header and data of the next packet +next hdl = + allocaBytes (#size struct pcap_pkthdr) $ \chdr -> do + ptr <- pcap_next hdl chdr + if (ptr == nullPtr) + then return (PktHdr 0 0 0 0, ptr) + else do + hdr <- toPktHdr chdr + return (hdr, ptr) + +-- | Write the packet data given by the second and third arguments to +-- a dump file opened by 'openDead'. 'dump' is designed so it can be +-- easily used as a default callback function by 'dispatch' or 'loop'. +dump :: Ptr PcapDumpTag -- ^ dump file descriptor + -> Ptr PktHdr -- ^ packet header record + -> Ptr Word8 -- ^ packet data + -> IO () +dump hdl hdr pkt = pcap_dump hdl hdr pkt + +foreign import ccall "wrapper" exportCCallback + :: CCallback -> IO (FunPtr CCallback) + +foreign import ccall pcap_dispatch + :: Ptr PcapTag -> CInt -> FunPtr CCallback -> Ptr Word8 -> IO CInt +foreign import ccall pcap_loop + :: Ptr PcapTag -> CInt -> FunPtr CCallback -> Ptr Word8 -> IO CInt +foreign import ccall pcap_next + :: Ptr PcapTag -> Ptr PktHdr -> IO (Ptr Word8) +foreign import ccall pcap_dump + :: Ptr PcapDumpTag -> Ptr PktHdr -> Ptr Word8 -> IO () + + +-- +-- Datalink manipulation +-- + +-- | Returns the datalink type associated with the given pcap +-- descriptor. +-- +datalink :: Ptr PcapTag -> IO Link +datalink hdl = unpackLink `fmap` pcap_datalink hdl + + +-- | Sets the datalink type for a given pcap descriptor. +-- +setDatalink :: Ptr PcapTag -> Link -> IO () +setDatalink hdl link = do + pcap_set_datalink hdl (packLink link) >>= throwPcapIf hdl (== -1) + return () + +-- | List all the datalink types supported by a pcap +-- descriptor. Entries from the resulting list are valid arguments to +-- 'setDatalink'. +listDatalinks :: Ptr PcapTag -> IO [Link] +listDatalinks hdl = + alloca $ \lptr -> do + ret <- pcap_list_datalinks hdl lptr >>= throwPcapIf hdl (== -1) + dlbuf <- peek lptr + dls <- peekArray (fromIntegral (ret :: CInt)) dlbuf + free dlbuf + return (map unpackLink dls) + +foreign import ccall unsafe pcap_datalink + :: Ptr PcapTag -> IO CInt +foreign import ccall unsafe pcap_set_datalink + :: Ptr PcapTag -> CInt -> IO CInt +foreign import ccall unsafe pcap_list_datalinks + :: Ptr PcapTag -> Ptr (Ptr CInt) -> IO CInt + +-- +-- Statistics +-- + +-- | Returns the number of packets received, the number of packets +-- dropped by the packet filter and the number of packets dropped by +-- the interface (before processing by the packet filter). +-- +statistics :: Ptr PcapTag -> IO Statistics +statistics hdl = + allocaBytes (#size struct pcap_stat) $ \stats -> do + pcap_stats hdl stats >>= throwPcapIf hdl (== -1) + recv <- (#peek struct pcap_stat, ps_recv) stats + drop <- (#peek struct pcap_stat, ps_drop) stats + ifdrop <- (#peek struct pcap_stat, ps_ifdrop) stats + + return Statistics { statReceived = fromIntegral (recv :: CUInt) + , statDropped = fromIntegral (drop :: CUInt) + , statIfaceDropped = fromIntegral (ifdrop :: CUInt) + } + +foreign import ccall unsafe pcap_stats + :: Ptr PcapTag -> Ptr Statistics -> IO Int + +-- | Version of the library. The returned pair consists of the major +-- and minor version numbers. +version :: Ptr PcapTag -> IO (Int, Int) +version hdl = do + major <- pcap_major_version hdl + minor <- pcap_minor_version hdl + return (fromIntegral major, fromIntegral minor) + +-- | 'isSwapped' returns 'True' if the current dump file uses a +-- different byte order than the one native to the system. +isSwapped :: Ptr PcapTag -> IO Bool +isSwapped hdl = toBool `fmap` pcap_is_swapped hdl + + +-- | The snapshot length that was used in the call to 'openLive'. +snapshotLen :: Ptr PcapTag -> IO Int +snapshotLen hdl = fromIntegral `fmap` pcap_snapshot hdl + +foreign import ccall pcap_major_version + :: Ptr PcapTag -> IO CInt +foreign import ccall pcap_minor_version + :: Ptr PcapTag -> IO CInt +foreign import ccall pcap_is_swapped + :: Ptr PcapTag -> IO CInt +foreign import ccall pcap_snapshot + :: Ptr PcapTag -> IO CInt + +-- +-- Utility functions for data link types +-- + +-- | Datalink types. +-- +-- This covers all of the datalink types defined in bpf.h. +-- Types defined on your system may vary. +-- +data Link + = DLT_NULL -- ^ no link layer encapsulation + | DLT_UNKNOWN Int -- ^ unknown encapsulation +#ifdef DLT_EN10MB + | DLT_EN10MB -- ^ 10 Mbit per second (or faster) ethernet +#endif +#ifdef DLT_EN3MB + | DLT_EN3MB -- ^ original 3 Mbit per second ethernet +#endif +#ifdef DLT_AX25 + | DLT_AX25 -- ^ amateur radio AX.25 +#endif +#ifdef DLT_PRONET + | DLT_PRONET -- ^ Proteon ProNET Token Ring +#endif +#ifdef DLT_CHAOS + | DLT_CHAOS -- ^ Chaos +#endif +#ifdef DLT_IEEE802 + | DLT_IEEE802 -- ^ IEEE 802 networks +#endif +#ifdef DLT_ARCNET + | DLT_ARCNET -- ^ ARCNET +#endif +#ifdef DLT_SLIP + | DLT_SLIP -- ^ Serial line IP +#endif +#ifdef DLT_PPP + | DLT_PPP -- ^ Point-to-point protocol +#endif +#ifdef DLT_FDDI + | DLT_FDDI -- ^ FDDI +#endif +#ifdef DLT_ATM_RFC1483 + | DLT_ATM_RFC1483 -- ^ LLC SNAP encapsulated ATM +#endif +#ifdef DLT_RAW + | DLT_RAW -- ^ raw IP +#endif +#ifdef DLT_SLIP_BSDOS + | DLT_SLIP_BSDOS -- ^ BSD OS serial line IP +#endif +#ifdef DLT_PPP_BSDOS + | DLT_PPP_BSDOS -- ^ BSD OS point-to-point protocol +#endif +#ifdef DLT_ATM_CLIP + | DLT_ATM_CLIP -- ^ Linux classical IP over ATM +#endif +#ifdef DLT_REDBACK_SMARTEDGE + | DLT_REDBACK_SMARTEDGE -- ^ Redback SmartEdge 400\/800 +#endif +#ifdef DLT_PPP_SERIAL + | DLT_PPP_SERIAL -- ^ PPP over serial with HDLC encapsulation +#endif +#ifdef DLT_PPP_ETHER + | DLT_PPP_ETHER -- ^ PPP over ethernet +#endif +#ifdef DLT_SYMANTEC_FIREWALL + | DLT_SYMANTEC_FIREWALL -- ^ Symantec Enterprise Firewall +#endif +#ifdef DLT_C_HDLC + | DLT_C_HDLC -- ^ Cisco HDLC +#endif +#ifdef DLT_IEEE802_11 + | DLT_IEEE802_11 -- ^ IEEE 802.11 wireless +#endif +#ifdef DLT_FRELAY + | DLT_FRELAY -- ^ Frame Relay +#endif +#ifdef DLT_LOOP + | DLT_LOOP -- ^ OpenBSD loopback device +#endif +#ifdef DLT_ENC + | DLT_ENC -- ^ Encapsulated packets for IPsec +#endif +#ifdef DLT_LINUX_SLL + | DLT_LINUX_SLL -- ^ Linux cooked sockets +#endif +#ifdef DLT_LTALK + | DLT_LTALK -- ^ Apple LocalTalk +#endif +#ifdef DLT_ECONET + | DLT_ECONET -- ^ Acorn Econet +#endif +#ifdef DLT_IPFILTER + | DLT_IPFILTER -- ^ OpenBSD's old ipfilter +#endif +#ifdef DLT_PFLOG + | DLT_PFLOG -- ^ OpenBSD's pflog +#endif +#ifdef DLT_CISCO_IOS + | DLT_CISCO_IOS -- ^ Cisco IOS +#endif +#ifdef DLT_PRISM_HEADER + | DLT_PRISM_HEADER -- ^ Intersil Prism II wireless chips +#endif +#ifdef DLT_AIRONET_HEADER + | DLT_AIRONET_HEADER -- ^ Aironet (Cisco) 802.11 wireless +#endif +#ifdef DLT_HHDLC + | DLT_HHDLC -- ^ Siemens HiPath HDLC +#endif +#ifdef DLT_IP_OVER_FC + | DLT_IP_OVER_FC -- ^ RFC 2625 IP-over-Fibre Channel +#endif +#ifdef DLT_SUNATM + | DLT_SUNATM -- ^ Full Frontal ATM on Solaris with SunATM +#endif +#ifdef DLT_IEEE802_11_RADIO + | DLT_IEEE802_11_RADIO -- ^ 802.11 plus a number of bits of link-layer information +#endif +#ifdef DLT_ARCNET_LINUX + | DLT_ARCNET_LINUX -- ^ Linux ARCNET header +#endif +#ifdef DLT_APPLE_IP_OVER_IEEE1394 + | DLT_APPLE_IP_OVER_IEEE1394 -- ^ Apple IP-over-IEEE 1394 +#endif +#ifdef DLT_MTP2_WITH_PHDR + | DLT_MTP2_WITH_PHDR -- ^ SS7, C7 MTP2 with pseudo-header +#endif +#ifdef DLT_MTP2 + | DLT_MTP2 -- ^ SS7, C7 Message Transfer Part 2 (MPT2) +#endif +#ifdef DLT_MTP3 + | DLT_MTP3 -- ^ SS7, C7 Message Transfer Part 3 (MPT3) +#endif +#ifdef DLT_SCCP + | DLT_SCCP -- ^ SS7, C7 SCCP +#endif +#ifdef DLT_DOCSIS + | DLT_DOCSIS -- ^ DOCSIS MAC frame +#endif +#ifdef DLT_LINUX_IRDA + | DLT_LINUX_IRDA -- ^ Linux IrDA packet +#endif +#ifdef DLT_USER0 + | DLT_USER0 -- ^ Reserved for private use +#endif +#ifdef DLT_USER1 + | DLT_USER1 -- ^ Reserved for private use +#endif +#ifdef DLT_USER2 + | DLT_USER2 -- ^ Reserved for private use +#endif +#ifdef DLT_USER3 + | DLT_USER3 -- ^ Reserved for private use +#endif +#ifdef DLT_USER4 + | DLT_USER4 -- ^ Reserved for private use +#endif +#ifdef DLT_USER5 + | DLT_USER5 -- ^ Reserved for private use +#endif +#ifdef DLT_USER6 + | DLT_USER6 -- ^ Reserved for private use +#endif +#ifdef DLT_USER7 + | DLT_USER7 -- ^ Reserved for private use +#endif +#ifdef DLT_USER8 + | DLT_USER8 -- ^ Reserved for private use +#endif +#ifdef DLT_USER9 + | DLT_USER9 -- ^ Reserved for private use +#endif +#ifdef DLT_USER10 + | DLT_USER10 -- ^ Reserved for private use +#endif +#ifdef DLT_USER11 + | DLT_USER11 -- ^ Reserved for private use +#endif +#ifdef DLT_USER12 + | DLT_USER12 -- ^ Reserved for private use +#endif +#ifdef DLT_USER13 + | DLT_USER13 -- ^ Reserved for private use +#endif +#ifdef DLT_USER14 + | DLT_USER14 -- ^ Reserved for private use +#endif +#ifdef DLT_USER15 + | DLT_USER15 -- ^ Reserved for private use +#endif +#ifdef DLT_PPP_PPPD + | DLT_PPP_PPPD -- ^ Outgoing packets for ppp daemon +#endif +#ifdef DLT_GPRS_LLC + | DLT_GPRS_LLC -- ^ GPRS LLC +#endif +#ifdef DLT_GPF_T + | DLT_GPF_T -- ^ GPF-T (ITU-T G.7041\/Y.1303) +#endif +#ifdef DLT_GPF_F + | DLT_GPF_F -- ^ GPF-F (ITU-T G.7041\/Y.1303) +#endif +#ifdef DLT_LINUX_LAPD + | DLT_LINUX_LAPD -- ^ Raw LAPD for vISDN (/not/ generic LAPD) +#endif +#ifdef DLT_A429 + | DLT_A429 -- ^ ARINC 429 +#endif +#ifdef DLT_A653_ICM + | DLT_A653_ICM -- ^ ARINC 653 Interpartition Communication messages +#endif +#ifdef DLT_USB + | DLT_USB -- ^ USB packet +#endif +#ifdef DLT_BLUETOOTH_HCI_H4 + | DLT_BLUETOOTH_HCI_H4 -- ^ Bluetooth HCI UART transport layer (part H:4) +#endif +#ifdef DLT_MFR + | DLT_MFR -- ^ Multi Link Frame Relay (FRF.16) +#endif +#ifdef DLT_IEEE802_16_MAC_CPS + | DLT_IEEE802_16_MAC_CPS -- ^ IEEE 802.16 MAC Common Part Sublayer +#endif +#ifdef DLT_USB_LINUX + | DLT_USB_LINUX -- ^ USB packets, beginning with a Linux USB header +#endif +#ifdef DLT_CAN20B + | DLT_CAN20B -- ^ Controller Area Network (CAN) v2.0B +#endif +#ifdef DLT_IEEE802_15_4_LINUX + | DLT_IEEE802_15_4_LINUX -- ^ IEEE 802.15.4, with address fields padded +#endif +#ifdef DLT_PPI + | DLT_PPI -- ^ Per Packet Information encapsulated packets +#endif +#ifdef DLT_IEEE802_16_MAC_CPS_RADIO + | DLT_IEEE802_16_MAC_CPS_RADIO -- ^ 802.16 MAC Common Part Sublayer with radiotap radio header +#endif +#ifdef DLT_IEEE802_15_4 + | DLT_IEEE802_15_4 -- ^ IEEE 802.15.4, exactly as in the spec +#endif + deriving (Eq, Ord, Read, Show) + +packLink :: Link -> CInt +packLink l = case l of +#ifdef DLT_NULL + DLT_NULL -> #const DLT_NULL +#endif +#ifdef DLT_EN10MB + DLT_EN10MB -> #const DLT_EN10MB +#endif +#ifdef DLT_EN3MB + DLT_EN3MB -> #const DLT_EN3MB +#endif +#ifdef DLT_AX25 + DLT_AX25 -> #const DLT_AX25 +#endif +#ifdef DLT_PRONET + DLT_PRONET -> #const DLT_PRONET +#endif +#ifdef DLT_CHAOS + DLT_CHAOS -> #const DLT_CHAOS +#endif +#ifdef DLT_IEEE802 + DLT_IEEE802 -> #const DLT_IEEE802 +#endif +#ifdef DLT_ARCNET + DLT_ARCNET -> #const DLT_ARCNET +#endif +#ifdef DLT_SLIP + DLT_SLIP -> #const DLT_SLIP +#endif +#ifdef DLT_PPP + DLT_PPP -> #const DLT_PPP +#endif +#ifdef DLT_FDDI + DLT_FDDI -> #const DLT_FDDI +#endif +#ifdef DLT_ATM_RFC1483 + DLT_ATM_RFC1483 -> #const DLT_ATM_RFC1483 +#endif +#ifdef DLT_RAW + DLT_RAW -> #const DLT_RAW +#endif +#ifdef DLT_SLIP_BSDOS + DLT_SLIP_BSDOS -> #const DLT_SLIP_BSDOS +#endif +#ifdef DLT_PPP_BSDOS + DLT_PPP_BSDOS -> #const DLT_PPP_BSDOS +#endif +#ifdef DLT_ATM_CLIP + DLT_ATM_CLIP -> #const DLT_ATM_CLIP +#endif +#ifdef DLT_REDBACK_SMARTEDGE + DLT_REDBACK_SMARTEDGE -> #const DLT_REDBACK_SMARTEDGE +#endif +#ifdef DLT_PPP_SERIAL + DLT_PPP_SERIAL -> #const DLT_PPP_SERIAL +#endif +#ifdef DLT_PPP_ETHER + DLT_PPP_ETHER -> #const DLT_PPP_ETHER +#endif +#ifdef DLT_SYMANTEC_FIREWALL + DLT_SYMANTEC_FIREWALL -> #const DLT_SYMANTEC_FIREWALL +#endif +#ifdef DLT_C_HDLC + DLT_C_HDLC -> #const DLT_C_HDLC +#endif +#ifdef DLT_IEEE802_11 + DLT_IEEE802_11 -> #const DLT_IEEE802_11 +#endif +#ifdef DLT_FRELAY + DLT_FRELAY -> #const DLT_FRELAY +#endif +#ifdef DLT_LOOP + DLT_LOOP -> #const DLT_LOOP +#endif +#ifdef DLT_ENC + DLT_ENC -> #const DLT_ENC +#endif +#ifdef DLT_LINUX_SLL + DLT_LINUX_SLL -> #const DLT_LINUX_SLL +#endif +#ifdef DLT_LTALK + DLT_LTALK -> #const DLT_LTALK +#endif +#ifdef DLT_ECONET + DLT_ECONET -> #const DLT_ECONET +#endif +#ifdef DLT_IPFILTER + DLT_IPFILTER -> #const DLT_IPFILTER +#endif +#ifdef DLT_OLD_PFLOG + DLT_OLD_PFLOG -> #const DLT_OLD_PFLOG +#endif +#ifdef DLT_PFSYNC + DLT_PFSYNC -> #const DLT_PFSYNC +#endif +#ifdef DLT_PFLOG + DLT_PFLOG -> #const DLT_PFLOG +#endif +#ifdef DLT_CISCO_IOS + DLT_CISCO_IOS -> #const DLT_CISCO_IOS +#endif +#ifdef DLT_PRISM_HEADER + DLT_PRISM_HEADER -> #const DLT_PRISM_HEADER +#endif +#ifdef DLT_AIRONET_HEADER + DLT_AIRONET_HEADER -> #const DLT_AIRONET_HEADER +#endif +#ifdef DLT_HHDLC + DLT_HHDLC -> #const DLT_HHDLC +#endif +#ifdef DLT_IP_OVER_FC + DLT_IP_OVER_FC -> #const DLT_IP_OVER_FC +#endif +#ifdef DLT_SUNATM + DLT_SUNATM -> #const DLT_SUNATM +#endif +#ifdef DLT_IEEE802_11_RADIO + DLT_IEEE802_11_RADIO -> #const DLT_IEEE802_11_RADIO +#endif +#ifdef DLT_ARCNET_LINUX + DLT_ARCNET_LINUX -> #const DLT_ARCNET_LINUX +#endif +#ifdef DLT_APPLE_IP_OVER_IEEE1394 + DLT_APPLE_IP_OVER_IEEE1394 -> #const DLT_APPLE_IP_OVER_IEEE1394 +#endif +#ifdef DLT_MTP2_WITH_PHDR + DLT_MTP2_WITH_PHDR -> #const DLT_MTP2_WITH_PHDR +#endif +#ifdef DLT_MTP2 + DLT_MTP2 -> #const DLT_MTP2 +#endif +#ifdef DLT_MTP3 + DLT_MTP3 -> #const DLT_MTP3 +#endif +#ifdef DLT_SCCP + DLT_SCCP -> #const DLT_SCCP +#endif +#ifdef DLT_DOCSIS + DLT_DOCSIS -> #const DLT_DOCSIS +#endif +#ifdef DLT_LINUX_IRDA + DLT_LINUX_IRDA -> #const DLT_LINUX_IRDA +#endif +#ifdef DLT_USER0 + DLT_USER0 -> #const DLT_USER0 +#endif +#ifdef DLT_USER1 + DLT_USER1 -> #const DLT_USER1 +#endif +#ifdef DLT_USER2 + DLT_USER2 -> #const DLT_USER2 +#endif +#ifdef DLT_USER3 + DLT_USER3 -> #const DLT_USER3 +#endif +#ifdef DLT_USER4 + DLT_USER4 -> #const DLT_USER4 +#endif +#ifdef DLT_USER5 + DLT_USER5 -> #const DLT_USER5 +#endif +#ifdef DLT_USER6 + DLT_USER6 -> #const DLT_USER6 +#endif +#ifdef DLT_USER7 + DLT_USER7 -> #const DLT_USER7 +#endif +#ifdef DLT_USER8 + DLT_USER8 -> #const DLT_USER8 +#endif +#ifdef DLT_USER9 + DLT_USER9 -> #const DLT_USER9 +#endif +#ifdef DLT_USER10 + DLT_USER10 -> #const DLT_USER10 +#endif +#ifdef DLT_USER11 + DLT_USER11 -> #const DLT_USER11 +#endif +#ifdef DLT_USER12 + DLT_USER12 -> #const DLT_USER12 +#endif +#ifdef DLT_USER13 + DLT_USER13 -> #const DLT_USER13 +#endif +#ifdef DLT_USER14 + DLT_USER14 -> #const DLT_USER14 +#endif +#ifdef DLT_USER15 + DLT_USER15 -> #const DLT_USER15 +#endif +#ifdef DLT_PPP_PPPD + DLT_PPP_PPPD -> #const DLT_PPP_PPPD +#endif +#ifdef DLT_GPRS_LLC + DLT_GPRS_LLC -> #const DLT_GPRS_LLC +#endif +#ifdef DLT_GPF_T + DLT_GPF_T -> #const DLT_GPF_T +#endif +#ifdef DLT_GPF_F + DLT_GPF_F -> #const DLT_GPF_F +#endif +#ifdef DLT_LINUX_LAPD + DLT_LINUX_LAPD -> #const DLT_LINUX_LAPD +#endif +#ifdef DLT_MFR + DLT_MFR -> #const DLT_MFR +#endif +#ifdef DLT_A429 + DLT_A429 -> #const DLT_A429 +#endif +#ifdef DLT_A653_ICM + DLT_A653_ICM -> #const DLT_A653_ICM +#endif +#ifdef DLT_USB + DLT_USB -> #const DLT_USB +#endif +#ifdef DLT_BLUETOOTH_HCI_H4 + DLT_BLUETOOTH_HCI_H4 -> #const DLT_BLUETOOTH_HCI_H4 +#endif +#ifdef DLT_IEEE802_16_MAC_CPS + DLT_IEEE802_16_MAC_CPS -> #const DLT_IEEE802_16_MAC_CPS +#endif +#ifdef DLT_USB_LINUX + DLT_USB_LINUX -> #const DLT_USB_LINUX +#endif +#ifdef DLT_CAN20B + DLT_CAN20B -> #const DLT_CAN20B +#endif +#ifdef DLT_IEEE802_15_4_LINUX + DLT_IEEE802_15_4_LINUX -> #const DLT_IEEE802_15_4_LINUX +#endif +#ifdef DLT_PPI + DLT_PPI -> #const DLT_PPI +#endif +#ifdef DLT_IEEE802_16_MAC_CPS_RADIO + DLT_IEEE802_16_MAC_CPS_RADIO -> #const DLT_IEEE802_16_MAC_CPS_RADIO +#endif +#ifdef DLT_IEEE802_15_4 + DLT_IEEE802_15_4 -> #const DLT_IEEE802_15_4 +#endif +#ifdef DLT_IEEE802_15_4 + DLT_UNKNOWN _ -> error "cannot pack unknown link type" +#endif + +unpackLink :: CInt -> Link +unpackLink l = case l of +#ifdef DLT_NULL + (#const DLT_NULL) -> DLT_NULL +#endif +#ifdef DLT_EN10MB + (#const DLT_EN10MB) -> DLT_EN10MB +#endif +#ifdef DLT_EN3MB + (#const DLT_EN3MB) -> DLT_EN3MB +#endif +#ifdef DLT_AX25 + (#const DLT_AX25) -> DLT_AX25 +#endif +#ifdef DLT_PRONET + (#const DLT_PRONET) -> DLT_PRONET +#endif +#ifdef DLT_CHAOS + (#const DLT_CHAOS) -> DLT_CHAOS +#endif +#ifdef DLT_IEEE802 + (#const DLT_IEEE802) -> DLT_IEEE802 +#endif +#ifdef DLT_ARCNET + (#const DLT_ARCNET) -> DLT_ARCNET +#endif +#ifdef DLT_SLIP + (#const DLT_SLIP) -> DLT_SLIP +#endif +#ifdef DLT_PPP + (#const DLT_PPP) -> DLT_PPP +#endif +#ifdef DLT_FDDI + (#const DLT_FDDI) -> DLT_FDDI +#endif +#ifdef DLT_ATM_RFC1483 + (#const DLT_ATM_RFC1483) -> DLT_ATM_RFC1483 +#endif +#ifdef DLT_RAW + (#const DLT_RAW) -> DLT_RAW +#endif +#ifdef DLT_SLIP_BSDOS + (#const DLT_SLIP_BSDOS) -> DLT_SLIP_BSDOS +#endif +#ifdef DLT_PPP_BSDOS + (#const DLT_PPP_BSDOS) -> DLT_PPP_BSDOS +#endif +#ifdef DLT_ATM_CLIP + (#const DLT_ATM_CLIP) -> DLT_ATM_CLIP +#endif +#ifdef DLT_REDBACK_SMARTEDGE + (#const DLT_REDBACK_SMARTEDGE) -> DLT_REDBACK_SMARTEDGE +#endif +#ifdef DLT_PPP_SERIAL + (#const DLT_PPP_SERIAL) -> DLT_PPP_SERIAL +#endif +#ifdef DLT_PPP_ETHER + (#const DLT_PPP_ETHER) -> DLT_PPP_ETHER +#endif +#ifdef DLT_SYMANTEC_FIREWALL + (#const DLT_SYMANTEC_FIREWALL) -> DLT_SYMANTEC_FIREWALL +#endif +#ifdef DLT_C_HDLC + (#const DLT_C_HDLC) -> DLT_C_HDLC +#endif +#ifdef DLT_IEEE802_11 + (#const DLT_IEEE802_11) -> DLT_IEEE802_11 +#endif +#ifdef DLT_FRELAY + (#const DLT_FRELAY) -> DLT_FRELAY +#endif +#ifdef DLT_LOOP + (#const DLT_LOOP) -> DLT_LOOP +#endif +#ifdef DLT_ENC + (#const DLT_ENC) -> DLT_ENC +#endif +#ifdef DLT_LINUX_SLL + (#const DLT_LINUX_SLL) -> DLT_LINUX_SLL +#endif +#ifdef DLT_LTALK + (#const DLT_LTALK) -> DLT_LTALK +#endif +#ifdef DLT_ECONET + (#const DLT_ECONET) -> DLT_ECONET +#endif +#ifdef DLT_IPFILTER + (#const DLT_IPFILTER) -> DLT_IPFILTER +#endif +#ifdef DLT_OLD_PFLOG + (#const DLT_OLD_PFLOG) -> DLT_OLD_PFLOG +#endif +#ifdef DLT_PFSYNC + (#const DLT_PFSYNC) -> DLT_PFSYNC +#endif +#ifdef DLT_PFLOG + (#const DLT_PFLOG) -> DLT_PFLOG +#endif +#ifdef DLT_CISCO_IOS + (#const DLT_CISCO_IOS) -> DLT_CISCO_IOS +#endif +#ifdef DLT_PRISM_HEADER + (#const DLT_PRISM_HEADER) -> DLT_PRISM_HEADER +#endif +#ifdef DLT_AIRONET_HEADER + (#const DLT_AIRONET_HEADER) -> DLT_AIRONET_HEADER +#endif +#ifdef DLT_HHDLC + (#const DLT_HHDLC) -> DLT_HHDLC +#endif +#ifdef DLT_IP_OVER_FC + (#const DLT_IP_OVER_FC) -> DLT_IP_OVER_FC +#endif +#ifdef DLT_SUNATM + (#const DLT_SUNATM) -> DLT_SUNATM +#endif +#ifdef DLT_IEEE802_11_RADIO + (#const DLT_IEEE802_11_RADIO) -> DLT_IEEE802_11_RADIO +#endif +#ifdef DLT_ARCNET_LINUX + (#const DLT_ARCNET_LINUX) -> DLT_ARCNET_LINUX +#endif +#ifdef DLT_APPLE_IP_OVER_IEEE1394 + (#const DLT_APPLE_IP_OVER_IEEE1394) -> DLT_APPLE_IP_OVER_IEEE1394 +#endif +#ifdef DLT_MTP2_WITH_PHDR + (#const DLT_MTP2_WITH_PHDR) -> DLT_MTP2_WITH_PHDR +#endif +#ifdef DLT_MTP2 + (#const DLT_MTP2) -> DLT_MTP2 +#endif +#ifdef DLT_MTP3 + (#const DLT_MTP3) -> DLT_MTP3 +#endif +#ifdef DLT_SCCP + (#const DLT_SCCP) -> DLT_SCCP +#endif +#ifdef DLT_DOCSIS + (#const DLT_DOCSIS) -> DLT_DOCSIS +#endif +#ifdef DLT_LINUX_IRDA + (#const DLT_LINUX_IRDA) -> DLT_LINUX_IRDA +#endif +#ifdef DLT_USER0 + (#const DLT_USER0) -> DLT_USER0 +#endif +#ifdef DLT_USER1 + (#const DLT_USER1) -> DLT_USER1 +#endif +#ifdef DLT_USER2 + (#const DLT_USER2) -> DLT_USER2 +#endif +#ifdef DLT_USER3 + (#const DLT_USER3) -> DLT_USER3 +#endif +#ifdef DLT_USER4 + (#const DLT_USER4) -> DLT_USER4 +#endif +#ifdef DLT_USER5 + (#const DLT_USER5) -> DLT_USER5 +#endif +#ifdef DLT_USER6 + (#const DLT_USER6) -> DLT_USER6 +#endif +#ifdef DLT_USER7 + (#const DLT_USER7) -> DLT_USER7 +#endif +#ifdef DLT_USER8 + (#const DLT_USER8) -> DLT_USER8 +#endif +#ifdef DLT_USER9 + (#const DLT_USER9) -> DLT_USER9 +#endif +#ifdef DLT_USER10 + (#const DLT_USER10) -> DLT_USER10 +#endif +#ifdef DLT_USER11 + (#const DLT_USER11) -> DLT_USER11 +#endif +#ifdef DLT_USER12 + (#const DLT_USER12) -> DLT_USER12 +#endif +#ifdef DLT_USER13 + (#const DLT_USER13) -> DLT_USER13 +#endif +#ifdef DLT_USER14 + (#const DLT_USER14) -> DLT_USER14 +#endif +#ifdef DLT_USER15 + (#const DLT_USER15) -> DLT_USER15 +#endif +#ifdef DLT_PPP_PPPD + (#const DLT_PPP_PPPD) -> DLT_PPP_PPPD +#endif +#ifdef DLT_GPRS_LLC + (#const DLT_GPRS_LLC) -> DLT_GPRS_LLC +#endif +#ifdef DLT_GPF_T + (#const DLT_GPF_T) -> DLT_GPF_T +#endif +#ifdef DLT_GPF_F + (#const DLT_GPF_F) -> DLT_GPF_F +#endif +#ifdef DLT_LINUX_LAPD + (#const DLT_LINUX_LAPD) -> DLT_LINUX_LAPD +#endif +#ifdef DLT_MFR + (#const DLT_MFR) -> DLT_MFR +#endif +#ifdef DLT_A429 + (#const DLT_A429) -> DLT_A429 +#endif +#ifdef DLT_A653_ICM + (#const DLT_A653_ICM) -> DLT_A653_ICM +#endif +#ifdef DLT_USB + (#const DLT_USB) -> DLT_USB +#endif +#ifdef DLT_BLUETOOTH_HCI_H4 + (#const DLT_BLUETOOTH_HCI_H4) -> DLT_BLUETOOTH_HCI_H4 +#endif +#ifdef DLT_IEEE802_16_MAC_CPS + (#const DLT_IEEE802_16_MAC_CPS) -> DLT_IEEE802_16_MAC_CPS +#endif +#ifdef DLT_USB_LINUX + (#const DLT_USB_LINUX) -> DLT_USB_LINUX +#endif +#ifdef DLT_CAN20B + (#const DLT_CAN20B) -> DLT_CAN20B +#endif +#ifdef DLT_IEEE802_15_4_LINUX + (#const DLT_IEEE802_15_4_LINUX) -> DLT_IEEE802_15_4_LINUX +#endif +#ifdef DLT_PPI + (#const DLT_PPI) -> DLT_PPI +#endif +#ifdef DLT_IEEE802_16_MAC_CPS_RADIO + (#const DLT_IEEE802_16_MAC_CPS_RADIO) -> DLT_IEEE802_16_MAC_CPS_RADIO +#endif +#ifdef DLT_IEEE802_15_4 + (#const DLT_IEEE802_15_4) -> DLT_IEEE802_15_4 +#endif +#ifdef DLT_IEEE802_15_4 + unk -> DLT_UNKNOWN (fromIntegral unk) +#endif diff --git a/Setup.hs b/Setup.hs deleted file mode 100644 --- a/Setup.hs +++ /dev/null @@ -1,2 +0,0 @@ -import Distribution.Simple -main = defaultMain diff --git a/Setup.lhs b/Setup.lhs new file mode 100644 --- /dev/null +++ b/Setup.lhs @@ -0,0 +1,3 @@ +#!/usr/bin/env runhaskell +> import Distribution.Simple +> main = defaultMainWithHooks defaultUserHooks diff --git a/configure b/configure new file mode 100644 --- /dev/null +++ b/configure @@ -0,0 +1,4457 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.61 for Pcap 0.3. +# +# Report bugs to . +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in + *posix*) set -o posix ;; +esac + +fi + + + + +# PATH needs CR +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Save into config.log some information that might help in debugging. + { + echo + + cat <<\_ASBOX +## ---------------- ## +## Cache variables. ## +## ---------------- ## +_ASBOX + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5 +echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + *) $as_unset $ac_var ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + cat <<\_ASBOX +## ----------------- ## +## Output variables. ## +## ----------------- ## +_ASBOX + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + echo "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + cat <<\_ASBOX +## ------------------- ## +## File substitutions. ## +## ------------------- ## +_ASBOX + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`echo "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + echo "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + cat <<\_ASBOX +## ----------- ## +## confdefs.h. ## +## ----------- ## +_ASBOX + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + echo "$as_me: caught signal $ac_signal" + echo "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +# Predefined preprocessor variables. + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_NAME "$PACKAGE_NAME" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_TARNAME "$PACKAGE_TARNAME" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_VERSION "$PACKAGE_VERSION" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_STRING "$PACKAGE_STRING" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT" +_ACEOF + + +# Let the site file select an alternate cache file if it wants to. +# Prefer explicitly selected file to automatically selected ones. +if test -n "$CONFIG_SITE"; then + set x "$CONFIG_SITE" +elif test "x$prefix" != xNONE; then + set x "$prefix/share/config.site" "$prefix/etc/config.site" +else + set x "$ac_default_prefix/share/config.site" \ + "$ac_default_prefix/etc/config.site" +fi +shift +for ac_site_file +do + if test -r "$ac_site_file"; then + { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5 +echo "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special + # files actually), so we avoid doing that. + if test -f "$cache_file"; then + { echo "$as_me:$LINENO: loading cache $cache_file" >&5 +echo "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { echo "$as_me:$LINENO: creating cache $cache_file" >&5 +echo "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5 +echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5 +echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + { echo "$as_me:$LINENO: former value: $ac_old_val" >&5 +echo "$as_me: former value: $ac_old_val" >&2;} + { echo "$as_me:$LINENO: current value: $ac_new_val" >&5 +echo "$as_me: current value: $ac_new_val" >&2;} + ac_cache_corrupted=: + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) ac_configure_args="$ac_configure_args '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 +echo "$as_me: error: changes in the environment can compromise the build" >&2;} + { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 +echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;} + { (exit 1); exit 1; }; } +fi + + + + + + + + + + + + + + + + + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +ac_config_headers="$ac_config_headers include/pcapconfig.h" + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&5 +echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_ac_ct_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_CC="$ac_prog" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { echo "$as_me:$LINENO: result: $ac_ct_CC" >&5 +echo "${ECHO_T}$ac_ct_CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&5 +echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&5 +echo "$as_me: error: no acceptable C compiler found in \$PATH +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + +# Provide some information about the compiler. +echo "$as_me:$LINENO: checking for C compiler version" >&5 +ac_compiler=`set X $ac_compile; echo $2` +{ (ac_try="$ac_compiler --version >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compiler --version >&5") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (ac_try="$ac_compiler -v >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compiler -v >&5") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } +{ (ac_try="$ac_compiler -V >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compiler -V >&5") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ echo "$as_me:$LINENO: checking for C compiler default output file name" >&5 +echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6; } +ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` +# +# List of possible output files, starting from the most likely. +# The algorithm is not robust to junk in `.', hence go to wildcards (a.*) +# only as a last resort. b.out is created by i960 compilers. +ac_files='a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out' +# +# The IRIX 6 linker writes into existing files which may not be +# executable, retaining their permissions. Remove them first so a +# subsequent execution test works. +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { (ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi + +{ echo "$as_me:$LINENO: result: $ac_file" >&5 +echo "${ECHO_T}$ac_file" >&6; } +if test -z "$ac_file"; then + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: C compiler cannot create executables +See \`config.log' for more details." >&5 +echo "$as_me: error: C compiler cannot create executables +See \`config.log' for more details." >&2;} + { (exit 77); exit 77; }; } +fi + +ac_exeext=$ac_cv_exeext + +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ echo "$as_me:$LINENO: checking whether the C compiler works" >&5 +echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6; } +# FIXME: These cross compiler hacks should be removed for Autoconf 3.0 +# If not cross compiling, check that we can run a simple program. +if test "$cross_compiling" != yes; then + if { ac_try='./$ac_file' + { (case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { echo "$as_me:$LINENO: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } + fi + fi +fi +{ echo "$as_me:$LINENO: result: yes" >&5 +echo "${ECHO_T}yes" >&6; } + +rm -f a.out a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ echo "$as_me:$LINENO: checking whether we are cross compiling" >&5 +echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6; } +{ echo "$as_me:$LINENO: result: $cross_compiling" >&5 +echo "${ECHO_T}$cross_compiling" >&6; } + +{ echo "$as_me:$LINENO: checking for suffix of executables" >&5 +echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6; } +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest$ac_cv_exeext +{ echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5 +echo "${ECHO_T}$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +{ echo "$as_me:$LINENO: checking for suffix of object files" >&5 +echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6; } +if test "${ac_cv_objext+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; then + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute suffix of object files: cannot compile +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_objext" >&5 +echo "${ECHO_T}$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5 +echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_compiler_gnu=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_compiler_gnu=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6; } +GCC=`test $ac_compiler_gnu = yes && echo yes` +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + CFLAGS="" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5 +echo $ECHO_N "checking for $CC option to accept ISO C89... $ECHO_C" >&6; } +if test "${ac_cv_prog_cc_c89+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_c89=$ac_arg +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { echo "$as_me:$LINENO: result: none needed" >&5 +echo "${ECHO_T}none needed" >&6; } ;; + xno) + { echo "$as_me:$LINENO: result: unsupported" >&5 +echo "${ECHO_T}unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_c89" >&6; } ;; +esac + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5 +echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if test "${ac_cv_prog_CPP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if { (ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi + +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +_ACEOF +if { (ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi + +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ echo "$as_me:$LINENO: result: $CPP" >&5 +echo "${ECHO_T}$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if { (ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Broken: fails on valid input. +continue +fi + +rm -f conftest.err conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +_ACEOF +if { (ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } >/dev/null && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then + # Broken: success on invalid input. +continue +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + # Passes both tests. +ac_preproc_ok=: +break +fi + +rm -f conftest.err conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.err conftest.$ac_ext +if $ac_preproc_ok; then + : +else + { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&5 +echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5 +echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; } +if test "${ac_cv_path_GREP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + # Extract the first word of "grep ggrep" to use in msg output +if test -z "$GREP"; then +set dummy grep ggrep; ac_prog_name=$2 +if test "${ac_cv_path_GREP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_path_GREP_found=false +# Loop through the user's path and test for each of PROGNAME-LIST +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue + # Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + ac_count=`expr $ac_count + 1` + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + + $ac_path_GREP_found && break 3 + done +done + +done +IFS=$as_save_IFS + + +fi + +GREP="$ac_cv_path_GREP" +if test -z "$GREP"; then + { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 +echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} + { (exit 1); exit 1; }; } +fi + +else + ac_cv_path_GREP=$GREP +fi + + +fi +{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5 +echo "${ECHO_T}$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ echo "$as_me:$LINENO: checking for egrep" >&5 +echo $ECHO_N "checking for egrep... $ECHO_C" >&6; } +if test "${ac_cv_path_EGREP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + # Extract the first word of "egrep" to use in msg output +if test -z "$EGREP"; then +set dummy egrep; ac_prog_name=$2 +if test "${ac_cv_path_EGREP+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_path_EGREP_found=false +# Loop through the user's path and test for each of PROGNAME-LIST +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue + # Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + ac_count=`expr $ac_count + 1` + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + + $ac_path_EGREP_found && break 3 + done +done + +done +IFS=$as_save_IFS + + +fi + +EGREP="$ac_cv_path_EGREP" +if test -z "$EGREP"; then + { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 +echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} + { (exit 1); exit 1; }; } +fi + +else + ac_cv_path_EGREP=$EGREP +fi + + + fi +fi +{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5 +echo "${ECHO_T}$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5 +echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; } +if test "${ac_cv_header_stdc+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_header_stdc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_header_stdc=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then + : +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then + : +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +rm -f conftest$ac_exeext +if { (ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + : +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi + + +fi +fi +{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 +echo "${ECHO_T}$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +cat >>confdefs.h <<\_ACEOF +#define STDC_HEADERS 1 +_ACEOF + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. + + + + + + + + + +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do +as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` +{ echo "$as_me:$LINENO: checking for $ac_header" >&5 +echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } +if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default + +#include <$ac_header> +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + eval "$as_ac_Header=yes" +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + eval "$as_ac_Header=no" +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +ac_res=`eval echo '${'$as_ac_Header'}'` + { echo "$as_me:$LINENO: result: $ac_res" >&5 +echo "${ECHO_T}$ac_res" >&6; } +if test `eval echo '${'$as_ac_Header'}'` = yes; then + cat >>confdefs.h <<_ACEOF +#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +{ echo "$as_me:$LINENO: checking for struct sockaddr.sa_len" >&5 +echo $ECHO_N "checking for struct sockaddr.sa_len... $ECHO_C" >&6; } +if test "${ac_cv_member_struct_sockaddr_sa_len+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static struct sockaddr ac_aggr; +if (ac_aggr.sa_len) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_member_struct_sockaddr_sa_len=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static struct sockaddr ac_aggr; +if (sizeof ac_aggr.sa_len) +return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_member_struct_sockaddr_sa_len=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_cv_member_struct_sockaddr_sa_len=no +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ echo "$as_me:$LINENO: result: $ac_cv_member_struct_sockaddr_sa_len" >&5 +echo "${ECHO_T}$ac_cv_member_struct_sockaddr_sa_len" >&6; } +if test $ac_cv_member_struct_sockaddr_sa_len = yes; then + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_SOCKADDR_SA_LEN 1 +_ACEOF + + +fi + + +case "$host" in +*-mingw32) + EXTRA_LIBS=wsock32 + CALLCONV=stdcall + ;; +*) + EXTRA_LIBS=pcap + CALLCONV=ccall + ;; +esac + + + + +ac_config_files="$ac_config_files pcap.buildinfo" + + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5 +echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + *) $as_unset $ac_var ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + test "x$cache_file" != "x/dev/null" && + { echo "$as_me:$LINENO: updating cache $cache_file" >&5 +echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5 +echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. 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Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in + *posix*) set -o posix ;; +esac + +fi + + + + +# PATH needs CR +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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"./$as_me.lineno" + # Exit status is that of the last command. + exit +} + + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in +-n*) + case `echo 'x\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + *) ECHO_C='\c';; + esac;; +*) + ECHO_N='-n';; +esac + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir +fi +echo >conf$$.file +if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' +elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + +if mkdir -p . 2>/dev/null; then + as_mkdir_p=: +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 + +# Save the log message, to keep $[0] and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by Pcap $as_me 0.3, which was +generated by GNU Autoconf 2.61. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +cat >>$CONFIG_STATUS <<_ACEOF +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +ac_cs_usage="\ +\`$as_me' instantiates files from templates according to the +current configuration. + +Usage: $0 [OPTIONS] [FILE]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Report bugs to ." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF +ac_cs_version="\\ +Pcap config.status 0.3 +configured by $0, generated by GNU Autoconf 2.61, + with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\" + +Copyright (C) 2006 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +# If no file are specified by the user, then we need to provide default +# value. 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Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= + trap 'exit_status=$? + { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status +' 0 + trap '{ (exit 1); exit 1; }' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || +{ + echo "$me: cannot create a temporary directory in ." >&2 + { (exit 1); exit 1; } +} + +# +# Set up the sed scripts for CONFIG_FILES section. +# + +# No need to generate the scripts if there are no CONFIG_FILES. +# This happens for instance when ./config.status config.h +if test -n "$CONFIG_FILES"; then + +_ACEOF + + + +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + cat >conf$$subs.sed <<_ACEOF +SHELL!$SHELL$ac_delim +PATH_SEPARATOR!$PATH_SEPARATOR$ac_delim +PACKAGE_NAME!$PACKAGE_NAME$ac_delim +PACKAGE_TARNAME!$PACKAGE_TARNAME$ac_delim +PACKAGE_VERSION!$PACKAGE_VERSION$ac_delim +PACKAGE_STRING!$PACKAGE_STRING$ac_delim +PACKAGE_BUGREPORT!$PACKAGE_BUGREPORT$ac_delim +exec_prefix!$exec_prefix$ac_delim +prefix!$prefix$ac_delim +program_transform_name!$program_transform_name$ac_delim +bindir!$bindir$ac_delim +sbindir!$sbindir$ac_delim +libexecdir!$libexecdir$ac_delim +datarootdir!$datarootdir$ac_delim +datadir!$datadir$ac_delim +sysconfdir!$sysconfdir$ac_delim +sharedstatedir!$sharedstatedir$ac_delim +localstatedir!$localstatedir$ac_delim +includedir!$includedir$ac_delim +oldincludedir!$oldincludedir$ac_delim +docdir!$docdir$ac_delim +infodir!$infodir$ac_delim +htmldir!$htmldir$ac_delim +dvidir!$dvidir$ac_delim +pdfdir!$pdfdir$ac_delim +psdir!$psdir$ac_delim +libdir!$libdir$ac_delim +localedir!$localedir$ac_delim +mandir!$mandir$ac_delim +DEFS!$DEFS$ac_delim +ECHO_C!$ECHO_C$ac_delim +ECHO_N!$ECHO_N$ac_delim +ECHO_T!$ECHO_T$ac_delim +LIBS!$LIBS$ac_delim +build_alias!$build_alias$ac_delim +host_alias!$host_alias$ac_delim +target_alias!$target_alias$ac_delim +CC!$CC$ac_delim +CFLAGS!$CFLAGS$ac_delim +LDFLAGS!$LDFLAGS$ac_delim +CPPFLAGS!$CPPFLAGS$ac_delim +ac_ct_CC!$ac_ct_CC$ac_delim +EXEEXT!$EXEEXT$ac_delim +OBJEXT!$OBJEXT$ac_delim +CPP!$CPP$ac_delim +GREP!$GREP$ac_delim +EGREP!$EGREP$ac_delim +CALLCONV!$CALLCONV$ac_delim +EXTRA_LIBS!$EXTRA_LIBS$ac_delim +LIBOBJS!$LIBOBJS$ac_delim +LTLIBOBJS!$LTLIBOBJS$ac_delim +_ACEOF + + if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 51; then + break + elif $ac_last_try; then + { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5 +echo "$as_me: error: could not make $CONFIG_STATUS" >&2;} + { (exit 1); exit 1; }; } + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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Please make sure it is defined." >&5 +echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined." >&2;} + + rm -f "$tmp/stdin" + case $ac_file in + -) cat "$tmp/out"; rm -f "$tmp/out";; + *) rm -f "$ac_file"; mv "$tmp/out" $ac_file;; + esac + ;; + :H) + # + # CONFIG_HEADER + # +_ACEOF + +# Transform confdefs.h into a sed script `conftest.defines', that +# substitutes the proper values into config.h.in to produce config.h. +rm -f conftest.defines conftest.tail +# First, append a space to every undef/define line, to ease matching. +echo 's/$/ /' >conftest.defines +# Then, protect against being on the right side of a sed subst, or in +# an unquoted here document, in config.status. If some macros were +# called several times there might be several #defines for the same +# symbol, which is useless. But do not sort them, since the last +# AC_DEFINE must be honored. +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +# These sed commands are passed to sed as "A NAME B PARAMS C VALUE D", where +# NAME is the cpp macro being defined, VALUE is the value it is being given. +# PARAMS is the parameter list in the macro definition--in most cases, it's +# just an empty string. +ac_dA='s,^\\([ #]*\\)[^ ]*\\([ ]*' +ac_dB='\\)[ (].*,\\1define\\2' +ac_dC=' ' +ac_dD=' ,' + +uniq confdefs.h | + sed -n ' + t rset + :rset + s/^[ ]*#[ ]*define[ ][ ]*// + t ok + d + :ok + s/[\\&,]/\\&/g + s/^\('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/ '"$ac_dA"'\1'"$ac_dB"'\2'"${ac_dC}"'\3'"$ac_dD"'/p + s/^\('"$ac_word_re"'\)[ ]*\(.*\)/'"$ac_dA"'\1'"$ac_dB$ac_dC"'\2'"$ac_dD"'/p + ' >>conftest.defines + +# Remove the space that was appended to ease matching. +# Then replace #undef with comments. This is necessary, for +# example, in the case of _POSIX_SOURCE, which is predefined and required +# on some systems where configure will not decide to define it. +# (The regexp can be short, since the line contains either #define or #undef.) +echo 's/ $// +s,^[ #]*u.*,/* & */,' >>conftest.defines + +# Break up conftest.defines: +ac_max_sed_lines=50 + +# First sed command is: sed -f defines.sed $ac_file_inputs >"$tmp/out1" +# Second one is: sed -f defines.sed "$tmp/out1" >"$tmp/out2" +# Third one will be: sed -f defines.sed "$tmp/out2" >"$tmp/out1" +# et cetera. +ac_in='$ac_file_inputs' +ac_out='"$tmp/out1"' +ac_nxt='"$tmp/out2"' + +while : +do + # Write a here document: + cat >>$CONFIG_STATUS <<_ACEOF + # First, check the format of the line: + cat >"\$tmp/defines.sed" <<\\CEOF +/^[ ]*#[ ]*undef[ ][ ]*$ac_word_re[ ]*\$/b def +/^[ ]*#[ ]*define[ ][ ]*$ac_word_re[( ]/b def +b +:def +_ACEOF + sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS + echo 'CEOF + sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS + ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in + sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail + grep . conftest.tail >/dev/null || break + rm -f conftest.defines + mv conftest.tail conftest.defines +done +rm -f conftest.defines conftest.tail + +echo "ac_result=$ac_in" >>$CONFIG_STATUS +cat >>$CONFIG_STATUS <<\_ACEOF + if test x"$ac_file" != x-; then + echo "/* $configure_input */" >"$tmp/config.h" + cat "$ac_result" >>"$tmp/config.h" + if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then + { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 +echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f $ac_file + mv "$tmp/config.h" $ac_file + fi + else + echo "/* $configure_input */" + cat "$ac_result" + fi + rm -f "$tmp/out12" + ;; + + + esac + +done # for ac_tag + + +{ (exit 0); exit 0; } +_ACEOF +chmod +x $CONFIG_STATUS +ac_clean_files=$ac_clean_files_save + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || { (exit 1); exit 1; } +fi + diff --git a/configure.ac b/configure.ac new file mode 100644 --- /dev/null +++ b/configure.ac @@ -0,0 +1,23 @@ +AC_INIT([Pcap],[0.3],[bos@serpentine.com], [pcap]) + +AC_CONFIG_HEADER(include/pcapconfig.h) + +AC_CHECK_MEMBERS([struct sockaddr.sa_len]) + +case "$host" in +*-mingw32) + EXTRA_LIBS=wsock32 + CALLCONV=stdcall + ;; +*) + EXTRA_LIBS=pcap + CALLCONV=ccall + ;; +esac + +AC_SUBST([CALLCONV]) +AC_SUBST([EXTRA_LIBS]) + +AC_CONFIG_FILES([pcap.buildinfo]) + +AC_OUTPUT diff --git a/include/pcapconfig.h.in b/include/pcapconfig.h.in new file mode 100644 --- /dev/null +++ b/include/pcapconfig.h.in @@ -0,0 +1,49 @@ +/* include/pcapconfig.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if `sa_len' is member of `struct sockaddr'. */ +#undef HAVE_STRUCT_SOCKADDR_SA_LEN + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS diff --git a/pcap.buildinfo.in b/pcap.buildinfo.in new file mode 100644 --- /dev/null +++ b/pcap.buildinfo.in @@ -0,0 +1,3 @@ +ghc-options: -DCALLCONV=@CALLCONV@ +cc-options: -DCALLCONV=@CALLCONV@ +extra-libraries: @EXTRA_LIBS@ diff --git a/pcap.cabal b/pcap.cabal --- a/pcap.cabal +++ b/pcap.cabal @@ -1,15 +1,19 @@ -name: pcap -version: 0.2 -license: BSD4 -license-file: LICENSE -synopsis: pcap interface -Description: FFI Wrapper around libpcap -Maintainer: nickburlett@mac.com, dominic.steinitz@blueyonder.co.uk -Category: Network -exposed-modules: - Network.Pcap -Build-Depends: - base, network, haskell98 -extensions: ForeignFunctionInterface -ghc-options: -fglasgow-exts - +name: pcap +version: 0.3 +license: BSD4 +license-file: LICENSE +synopsis: A system-independent interface for user-level packet capture +description: A system-independent interface for user-level packet capture +maintainer: Bryan O'Sullivan +author: Bryan O'Sullivan, Nick Burlett, Dominic Steinitz, Gregory Wright (original author) +category: Network +exposed-modules: Network.Pcap.Base + Network.Pcap +build-depends: base, haskell98, network, time +extensions: ForeignFunctionInterface +ghc-options: -W -O -funbox-strict-fields +include-dirs: include +includes: pcapconfig.h pcap.h +extra-source-files: + configure.ac configure include/pcapconfig.h.in + pcap.buildinfo.in