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configure.ac
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configure.ac
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#TODO A better place for default CFLAGS?
AC_INIT(configure.ac)
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE(suricata, 2.0dev)
AC_LANG_C
AC_PROG_CC_C99
AC_PROG_LIBTOOL
AC_DEFUN([FAIL_MESSAGE],[
echo
echo
echo "**********************************************"
echo " ERROR: unable to find" $1
echo " checked in the following places"
for i in `echo $2`; do
echo " $i"
done
echo "**********************************************"
echo
exit 1
])
AC_DEFUN([LIBNET_FAIL_WARN],[
echo
echo "*************************************************************************"
echo " Warning! libnet version 1.1.x could not be found in " $1
echo " Reject keywords will not be supported."
echo " If you require reject support plese install libnet 1.1.x. "
echo " If libnet is not installed in a non-standard location please use the"
echo " --with-libnet-includes and --with-libnet-libraries configure options"
echo "*************************************************************************"
echo
])
if test `basename $CC` = "clang"; then
CFLAGS="$CFLAGS -Wextra -Werror-implicit-function-declaration"
AC_MSG_CHECKING([clang __sync_bool_compare_and_swap])
AC_TRY_COMPILE([#include <stdio.h>],
[ unsigned int i = 0; (void)__sync_bool_compare_and_swap(&i, 1, 1);],
[
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1], [1], [Fake GCC atomic support])
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2], [1], [Fake GCC atomic support])
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], [1], [Fake GCC atomic support])
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8], [1], [Fake GCC atomic support])
AC_MSG_RESULT([yes]) ],
[AC_MSG_RESULT([no])])
fi
if test `basename $CC` = "gcc"; then
dnl get gcc version
AC_MSG_CHECKING([gcc version])
gccver=$($CC -dumpversion)
gccvermajor=$(echo $gccver | cut -d . -f1)
gccverminor=$(echo $gccver | cut -d . -f2)
gccvernum=$(expr $gccvermajor "*" 100 + $gccverminor)
AC_MSG_RESULT($gccver)
if test "$gccvernum" -ge "400"; then
dnl gcc 4.0 or later
CFLAGS="$CFLAGS -Wextra -Werror-implicit-function-declaration"
# remove optimization options that break our code
# VJ 2010/06/27: no-tree-pre added. It breaks ringbuffers code.
CFLAGS="$CFLAGS -fno-tree-pre"
else
CFLAGS="$CFLAGS -W"
fi
fi
CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
CFLAGS="$CFLAGS -Wno-unused-parameter"
CFLAGS="$CFLAGS -std=gnu99"
# Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PATH_PROG(HAVE_PKG_CONFIG, pkg-config, "no")
if test "$HAVE_PKG_CONFIG" = "no"; then
echo
echo " ERROR! pkg-config not found, go get it "
echo " http://pkg-config.freedesktop.org/wiki/ "
echo " or install from your distribution "
echo
exit 1
fi
AC_PATH_PROG(HAVE_COCCINELLE_CONFIG, spatch, "no")
if test "$HAVE_COCCINELLE_CONFIG" = "no"; then
echo
echo " Warning! spatch not found, you will not be "
echo " able to run code checking with coccinelle "
echo " get it from http://coccinelle.lip6.fr "
echo " or install from your distribution "
echo
fi
AM_CONDITIONAL([HAVE_COCCINELLE], [test "$HAVE_COCCINELLE_CONFIG" != "no"])
AC_PATH_PROG(HAVE_PYTHON_CONFIG, python, "no")
if test "$HAVE_PYTHON_CONFIG" = "no"; then
echo
echo " Warning! python not found, you will not be "
echo " able to install surictasc unix socket client "
echo
enable_python="no"
else
enable_python="yes"
fi
AM_CONDITIONAL([HAVE_PYTHON], [test "$HAVE_PYTHON_CONFIG" != "no"])
# Checks for libraries.
# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h assert.h ctype.h errno.h fcntl.h inttypes.h])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([limits.h netdb.h netinet/in.h poll.h sched.h signal.h])
AC_CHECK_HEADERS([stdarg.h stdint.h stdio.h stdlib.h string.h sys/ioctl.h])
AC_CHECK_HEADERS([syslog.h sys/prctl.h sys/socket.h sys/stat.h sys/syscall.h])
AC_CHECK_HEADERS([sys/time.h time.h unistd.h])
AC_CHECK_HEADERS([sys/ioctl.h linux/if_ether.h linux/if_packet.h linux/filter.h])
AC_CHECK_HEADERS([sys/socket.h net/if.h sys/mman.h linux/if_arp.h], [], [],
[[#ifdef HAVE_SYS_SOCKET_H
#include <sys/types.h>
#include <sys/socket.h>
#endif
]])
AC_CHECK_HEADERS([windows.h winsock2.h ws2tcpip.h], [], [],
[[#define _X86_
]])
AC_CHECK_HEADERS([w32api/winbase.h], [], [],
[[#define _X86_
#include <windows.h>
]])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_INT32_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_HEADER_STDBOOL
# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([gettimeofday memset strcasecmp strchr strdup strerror strncasecmp strtol strtoul memchr])
# Add large file support
AC_SYS_LARGEFILE
#check for os
AC_MSG_CHECKING([host os])
# If no host os was detected, try with uname
if test -z "$host" ; then
host="`uname`"
fi
echo -n "installation for $host OS... "
e_magic_file="/usr/share/file/magic"
case "$host" in
*-*-*freebsd*)
CFLAGS="${CFLAGS} -DOS_FREEBSD"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet11"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/local/lib/libnet11"
e_magic_file="/usr/share/misc/magic"
;;
*-*-openbsd5.1)
CFLAGS="${CFLAGS} -D__OpenBSD__ -fgnu89-inline"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet-1.1"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -I/usr/local/lib/libnet-1.1"
e_magic_file="/usr/local/share/misc/magic.mgc"
;;
*-*-openbsd5.2)
CFLAGS="${CFLAGS} -D__OpenBSD__"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet-1.1"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -I/usr/local/lib/libnet-1.1"
e_magic_file="/usr/local/share/misc/magic.mgc"
;;
*-*-openbsd*)
CFLAGS="${CFLAGS} -D__OpenBSD__ -fgnu89-inline"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet-1.1"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -I/usr/local/lib/libnet-1.1"
e_magic_file="/usr/local/share/file/magic.mgc"
;;
*darwin*|*Darwin*)
CFLAGS="${CFLAGS} -DOS_DARWIN"
CPPFLAGS="${CPPFLAGS} -I/opt/local/include"
LDFLAGS="${LDFLAGS} -L/opt/local/lib"
;;
*-*-linux*)
#for now do nothing
;;
*-*-mingw32*)
CFLAGS="${CFLAGS} -DOS_WIN32"
LDFLAGS="${LDFLAGS} -lws2_32"
WINDOWS_PATH="yes"
;;
*-*-cygwin)
WINDOWS_PATH="yes"
;;
*)
AC_MSG_WARN([unsupported OS this may or may not work])
;;
esac
AC_MSG_RESULT(ok)
#Enable support for gcc compile time security options. There is no great way to do detection of valid cflags that I have found
#AX_CFLAGS_GCC_OPTION don't seem to do a better job than the code below and are a pain because of extra m4 files etc.
#These flags seem to be supported on CentOS 5+, Ubuntu 8.04+, and FedoreCore 11+
#Options are taken from https://wiki.ubuntu.com/CompilerFlags
AC_ARG_ENABLE(gccprotect,
AS_HELP_STRING([--enable-gccprotect], [Detect and use gcc hardening options]),,[enable_gccprotect=no])
AS_IF([test "x$enable_gccprotect" = "xyes"], [
#buffer overflow protection
AC_MSG_CHECKING(for -fstack-protector)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -fstack-protector"
AC_TRY_LINK(,,SECCFLAGS="${SECCFLAGS} -fstack-protector"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CFLAGS="${TMPCFLAGS}"
#compile-time best-practices errors for certain libc functions, provides checks of buffer lengths and memory regions
AC_MSG_CHECKING(for -D_FORTIFY_SOURCE=2)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -D_FORTIFY_SOURCE=2"
AC_TRY_COMPILE(,,SECCFLAGS="${SECCFLAGS} -D_FORTIFY_SOURCE=2"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CFLAGS="${TMPCFLAGS}"
#compile-time warnings about misuse of format strings
AC_MSG_CHECKING(for -Wformat -Wformat-security)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Wformat -Wformat-security"
AC_TRY_COMPILE(,,SECCFLAGS="${SECCFLAGS} -Wformat -Wformat-security"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CFLAGS="${TMPCFLAGS}"
#provides a read-only relocation table area in the final ELF
AC_MSG_CHECKING(for -z relro)
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -z relro"
AC_TRY_LINK(,,SECLDFLAGS="${SECLDFLAGS} -z relro"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
LDFLAGS="${TMPLDFLAGS}"
#forces all relocations to be resolved at run-time
AC_MSG_CHECKING(for -z now)
TMPLDFLAGS="${LDFLAGS}"
LDFLAGS="${LDFLAGS} -z now"
AC_TRY_LINK(,,SECLDFLAGS="${SECLDFLAGS} -z now"
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
LDFLAGS="${TMPLDFLAGS}"
CFLAGS="${CFLAGS} ${SECCFLAGS}"
LDFLAGS="${LDFLAGS} ${SECLDFLAGS}"
])
#enable profile generation
AC_ARG_ENABLE(gccprofile,
AS_HELP_STRING([--enable-gccprofile], [Enable gcc profile info i.e -pg flag is set]),,[enable_gccprofile=no])
AS_IF([test "x$enable_gccprofile" = "xyes"], [
CFLAGS="${CFLAGS} -pg"
])
#enable gcc march=native gcc 4.2 or later
AC_ARG_ENABLE(gccmarch_native,
AS_HELP_STRING([--enable-gccmarch-native], [Enable gcc march=native gcc 4.2 and later only]),,[enable_gccmarch_native=yes])
AS_IF([test "x$enable_gccmarch_native" = "xyes"], [
if test `basename $CC` = "clang"; then
OFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -march=native"
AC_MSG_CHECKING([checking if $CC supports -march=native])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <stdlib.h>]])],
[
AC_MSG_RESULT([yes])
CFLAGS="$OFLAGS -march=native"
],
[
AC_MSG_RESULT([no])
CFLAGS="$OFLAGS"
enable_gccmarch_native=no
]
)
fi
if test `basename $CC` = "gcc"; then
case $host in
*darwin*|*Darwin*)
if test "$gccvernum" -ge "403"; then
dnl gcc 4.3 or later
CFLAGS="$CFLAGS -march=native"
else
enable_gccmarch_native=no
fi
;;
*)
if test "$gccvernum" -ge "402"; then
dnl gcc 4.2 or later
CFLAGS="$CFLAGS -march=native"
fi
;;
esac
fi
])
# options
# enable the running of unit tests
AC_ARG_ENABLE(unittests,
AS_HELP_STRING([--enable-unittests], [Enable compilation of the unit tests]),,[enable_unittests=no])
AS_IF([test "x$enable_unittests" = "xyes"], [
UT_ENABLED="yes"
CFLAGS="${CFLAGS} -DUNITTESTS"
])
AM_CONDITIONAL([BUILD_UNITTESTS], [test "x$enable_unittests" = "xyes"])
# enable workaround for old barnyard2 for unified alert output
AC_ARG_ENABLE(old-barnyard2,
AS_HELP_STRING([--enable-old-barnyard2], [Use workaround for old barnyard2 in unified2 output]),,[enable_old_barnyard2=no])
AS_IF([test "x$enable_old_barnyard2" = "xyes"], [
CFLAGS="${CFLAGS} -DHAVE_OLD_BARNYARD2"
])
# enable debug output
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug], [Enable debug output]),,[enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], [
CFLAGS="${CFLAGS} -DDEBUG"
])
# enable debug validation functions & macro's output
AC_ARG_ENABLE(debug-validation,
AS_HELP_STRING([--enable-debug-validation], [Enable (debug) validation code output]),,[enable_debug_validation=no])
AS_IF([test "x$enable_debug_validation" = "xyes"], [
CFLAGS="${CFLAGS} -DDEBUG_VALIDATION"
])
# profiling support
AC_ARG_ENABLE(profiling,
AS_HELP_STRING([--enable-profiling], [Enable performance profiling]),,[enable_profiling=no])
AS_IF([test "x$enable_profiling" = "xyes"], [
case "$host" in
*-*-openbsd*)
AC_MSG_ERROR([profiling is not supported on OpenBSD])
;;
*)
CFLAGS="${CFLAGS} -DPROFILING"
;;
esac
])
# profiling support, locking
AC_ARG_ENABLE(profiling-locks,
AS_HELP_STRING([--enable-profiling-locks], [Enable performance profiling for locks]),,[enable_profiling_locks=no])
AS_IF([test "x$enable_profiling_locks" = "xyes"], [
CFLAGS="${CFLAGS} -DPROFILING -DPROFILE_LOCKING"
])
# enable support for IPFW
AC_ARG_ENABLE(ipfw,
AS_HELP_STRING([--enable-ipfw], [Enable FreeBSD IPFW support for inline IDP]),,[enable_ipfw=no])
AS_IF([test "x$enable_ipfw" = "xyes"], [
CFLAGS="$CFLAGS -DIPFW"
])
# libraries
AC_MSG_CHECKING([for Mpipe])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <gxio/mpipe.h>]])],
[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_MPIPE],[1],[mPIPE support is available])
LDFLAGS="$LDFLAGS -lgxio -ltmc"
],
[AC_MSG_RESULT([no])])
#libpcre
AC_ARG_WITH(libpcre_includes,
[ --with-libpcre-includes=DIR libpcre include directory],
[with_libpcre_includes="$withval"],[with_libpcre_includes=no])
AC_ARG_WITH(libpcre_libraries,
[ --with-libpcre-libraries=DIR libpcre library directory],
[with_libpcre_libraries="$withval"],[with_libpcre_libraries="no"])
if test "$with_libpcre_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpcre_includes}"
fi
AC_CHECK_HEADER(pcre.h,,[AC_ERROR(pcre.h not found ...)])
if test "$with_libpcre_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpcre_libraries}"
fi
PCRE=""
AC_CHECK_LIB(pcre, pcre_get_substring,, PCRE="no")
if test "$PCRE" = "no"; then
echo
echo " ERROR! pcre library not found, go get it"
echo " from www.pcre.org."
echo
exit 1
fi
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
PCRE=""
TMPLIBS="${LIBS}"
AC_CHECK_LIB(pcre, pcre_dfa_exec,, PCRE="no")
if test "$PCRE" = "no"; then
echo
echo " ERROR! pcre library was found but version was < 6.0"
echo " please upgrade to a newer version of pcre which you can get from"
echo " www.pcre.org."
echo
exit 1
fi
LIBS="${TMPLIBS}"
AC_TRY_COMPILE([ #include <pcre.h> ],
[ int eo = 0; eo |= PCRE_EXTRA_MATCH_LIMIT_RECURSION; ],
[ pcre_match_limit_recursion_available=yes ], [:]
)
if test "$pcre_match_limit_recursion_available" != "yes"; then
CFLAGS="${CFLAGS} -DNO_PCRE_MATCH_RLIMIT"
echo
echo " Warning! pcre extra opt PCRE_EXTRA_MATCH_LIMIT_RECURSION not found"
echo " This could lead to potential DoS please upgrade to pcre >= 6.5"
echo " Continuing for now...."
echo " from www.pcre.org."
echo
fi
#enable support for PCRE-jit available since pcre-8.20
AC_MSG_CHECKING(for PCRE JIT support)
AC_TRY_COMPILE([ #include <pcre.h> ],
[
int jit = 0;
pcre_config(PCRE_CONFIG_JIT, &jit);
],
[ pcre_jit_available=yes ], [ pcre_jit_available=no ]
)
if test "x$pcre_jit_available" = "xyes"; then
AC_MSG_RESULT(yes)
AC_DEFINE([PCRE_HAVE_JIT], [1], [Pcre with JIT compiler support enabled])
AC_MSG_CHECKING(for PCRE JIT support usability)
AC_TRY_COMPILE([ #include <pcre.h> ],
[
const char* regexstr = "(a|b|c|d)";
pcre *re;
const char *error;
pcre_extra *extra;
int err_offset;
re = pcre_compile(regexstr,0, &error, &err_offset,NULL);
extra = pcre_study(re, PCRE_STUDY_JIT_COMPILE, &error);
if (extra == NULL)
exit(EXIT_FAILURE);
int jit = 0;
int ret = pcre_fullinfo(re, extra, PCRE_INFO_JIT, &jit);
if (ret != 0 || jit != 1)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
],
[ pcre_jit_works=yes ], [:]
)
if test "x$pcre_jit_works" != "xyes"; then
AC_MSG_RESULT(no)
echo
echo " PCRE JIT support detection worked but testing it failed"
echo " something odd is going on, please file a bug report."
echo
exit 1
else
AC_MSG_RESULT(yes)
fi
else
AC_MSG_RESULT(no)
fi
# libyaml
AC_ARG_WITH(libyaml_includes,
[ --with-libyaml-includes=DIR libyaml include directory],
[with_libyaml_includes="$withval"],[with_libyaml_includes=no])
AC_ARG_WITH(libyaml_libraries,
[ --with-libyaml-libraries=DIR libyaml library directory],
[with_libyaml_libraries="$withval"],[with_libyaml_libraries="no"])
if test "$with_libyaml_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libyaml_includes}"
fi
AC_CHECK_HEADER(yaml.h,,LIBYAML="no")
if test "$with_libyaml_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libyaml_libraries}"
fi
LIBYAML=""
AC_CHECK_LIB(yaml,yaml_parser_initialize,,LIBYAML="no")
if test "$LIBYAML" = "no"; then
echo
echo " ERROR! libyaml library not found, go get it"
echo " from http://pyyaml.org/wiki/LibYAML "
echo " or your distribution:"
echo
echo " Ubuntu: apt-get install libyaml-dev"
echo " Fedora: yum install libyaml-devel"
echo
exit 1
fi
# libpthread
AC_ARG_WITH(libpthread_includes,
[ --with-libpthread-includes=DIR libpthread include directory],
[with_libpthread_includes="$withval"],[with_libpthread_includes=no])
AC_ARG_WITH(libpthread_libraries,
[ --with-libpthread-libraries=DIR libpthread library directory],
[with_libpthread_libraries="$withval"],[with_libpthread_libraries="no"])
if test "$with_libpthread_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpthread_includes}"
fi
dnl AC_CHECK_HEADER(pthread.h,,[AC_ERROR(pthread.h not found ...)])
if test "$with_libpthread_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpthread_libraries}"
fi
PTHREAD=""
AC_CHECK_LIB(pthread, pthread_create,, PTHREAD="no")
if test "$PTHREAD" = "no"; then
echo
echo " ERROR! libpthread library not found, glibc problem?"
echo
exit 1
fi
# libjansson
enable_jansson="no"
AC_ARG_WITH(libjansson_includes,
[ --with-libjansson-includes=DIR libjansson include directory],
[with_libjansson_includes="$withval"],[with_libjansson_includes=no])
AC_ARG_WITH(libjansson_libraries,
[ --with-libjansson-libraries=DIR libjansson library directory],
[with_libjansson_libraries="$withval"],[with_libjansson_libraries="no"])
if test "$with_libjansson_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libjansson_includes}"
fi
enable_jansson="no"
enable_unixsocket="no"
AC_ARG_ENABLE(unix-socket,
AS_HELP_STRING([--enable-unix-socket], [Enable unix socket [default=test]]),[enable_unixsocket="$enableval"],[enable_unixsocket=test])
AC_CHECK_HEADER(jansson.h,JANSSON="yes",JANSSON="no")
if test "$JANSSON" = "yes"; then
if test "$with_libjansson_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libjansson_libraries}"
fi
AC_CHECK_LIB(jansson, json_dump_callback,, JANSSON="no")
enable_jansson="yes"
if test "$JANSSON" = "no"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution of from:"
echo " http://www.digip.org/jansson/"
echo
if test "x$enable_unixsocket" = "xyes"; then
exit 1
fi
enable_unixsocket="no"
enable_jansson="no"
else
case $host in
*-*-mingw32*)
;;
*-*-cygwin)
;;
*)
if test "x$enable_unixsocket" = "xtest"; then
enable_unixsocket="yes"
fi
;;
esac
fi
else
if test "x$enable_unixsocket" = "xyes"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution of from:"
echo " http://www.digip.org/jansson/"
echo
exit 1
fi
enable_unixsocket="no"
fi
AS_IF([test "x$enable_unixsocket" = "xyes"], [AC_DEFINE([BUILD_UNIX_SOCKET], [1], [Unix socket support enabled])])
#enable support for NFQUEUE
AC_ARG_ENABLE(nfqueue,
AS_HELP_STRING([--enable-nfqueue], [Enable NFQUEUE support for inline IDP]),,[enable_nfqueue=no])
AS_IF([test "x$enable_nfqueue" = "xyes"], [
CFLAGS="$CFLAGS -DNFQ"
# libnfnetlink
case $host in
*-*-mingw32*)
;;
*)
AC_ARG_WITH(libnfnetlink_includes,
[ --with-libnfnetlink-includes=DIR libnfnetlink include directory],
[with_libnfnetlink_includes="$withval"],[with_libnfnetlink_includes=no])
AC_ARG_WITH(libnfnetlink_libraries,
[ --with-libnfnetlink-libraries=DIR libnfnetlink library directory],
[with_libnfnetlink_libraries="$withval"],[with_libnfnetlink_libraries="no"])
if test "$with_libnfnetlink_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libnfnetlink_includes}"
fi
AC_CHECK_HEADER(libnfnetlink/libnfnetlink.h,,[AC_ERROR(libnfnetlink.h not found ...)])
if test "$with_libnfnetlink_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libnfnetlink_libraries}"
fi
NFNL=""
AC_CHECK_LIB(nfnetlink, nfnl_fd,, NFNL="no")
if test "$NFNL" = "no"; then
echo
echo " ERROR! nfnetlink library not found, go get it"
echo " from www.netfilter.org."
echo " we automatically append libnetfilter_queue/ when searching"
echo " for headers etc. when the --with-libnfnetlink-inlcudes directive"
echo " is used"
echo
exit 1
fi
;;
esac
#libnetfilter_queue
AC_ARG_WITH(libnetfilter_queue_includes,
[ --with-libnetfilter_queue-includes=DIR libnetfilter_queue include directory],
[with_libnetfilter_queue_includes="$withval"],[with_libnetfilter_queue_includes=no])
AC_ARG_WITH(libnetfilter_queue_libraries,
[ --with-libnetfilter_queue-libraries=DIR libnetfilter_queue library directory],
[with_libnetfilter_queue_libraries="$withval"],[with_libnetfilter_queue_libraries="no"])
if test "$with_libnetfilter_queue_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libnetfilter_queue_includes}"
fi
AC_CHECK_HEADER(libnetfilter_queue/libnetfilter_queue.h,,[AC_ERROR(libnetfilter_queue/libnetfilter_queue.h not found ...)])
if test "$with_libnetfilter_queue_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libnetfilter_queue_libraries}"
fi
#LDFLAGS="${LDFLAGS} -lnetfilter_queue"
NFQ=""
case $host in
*-*-mingw32*)
AC_CHECK_LIB(netfilter_queue, nfq_open,, NFQ="no",-lws2_32)
AC_ARG_WITH(netfilterforwin_includes,
[ --with-netfilterforwin-includes=DIR netfilterforwin include directory],
[with_netfilterforwin_includes="$withval"],[with_netfilterforwin_includes=no])
if test "$with_netfilterforwin_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_netfilterforwin_includes}"
else
CPPFLAGS="${CPPFLAGS} -I../../netfilterforwin"
fi
;;
*)
AC_CHECK_LIB(netfilter_queue, nfq_open,, NFQ="no",)
AC_CHECK_LIB([netfilter_queue], [nfq_set_queue_maxlen],AC_DEFINE_UNQUOTED([HAVE_NFQ_MAXLEN],[1],[Found queue max length support in netfilter_queue]) ,,[-lnfnetlink])
AC_CHECK_LIB([netfilter_queue], [nfq_set_verdict2],AC_DEFINE_UNQUOTED([HAVE_NFQ_SET_VERDICT2],[1],[Found nfq_set_verdict2 function in netfilter_queue]) ,,[-lnfnetlink])
AC_CHECK_LIB([netfilter_queue], [nfq_set_queue_flags],AC_DEFINE_UNQUOTED([HAVE_NFQ_SET_QUEUE_FLAGS],[1],[Found nfq_set_queue_flags function in netfilter_queue]) ,,[-lnfnetlink])
AC_CHECK_LIB([netfilter_queue], [nfq_set_verdict_batch],AC_DEFINE_UNQUOTED([HAVE_NFQ_SET_VERDICT_BATCH],[1],[Found nfq_set_verdict_batch function in netfilter_queue]) ,,[-lnfnetlink])
# check if the argument to nfq_get_payload is signed or unsigned
AC_MSG_CHECKING([for signed nfq_get_payload payload argument])
STORECFLAGS="${CFLAGS}"
if test `basename $CC` = "clang"; then
CFLAGS="${CFLAGS} -Werror=incompatible-pointer-types"
else
CFLAGS="${CFLAGS} -Werror"
fi
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[
#include <stdio.h>
#include <libnetfilter_queue/libnetfilter_queue.h>
],
[
char *pktdata;
nfq_get_payload(NULL, &pktdata);
])],
[libnetfilter_queue_nfq_get_payload_signed="yes"],
[libnetfilter_queue_nfq_get_payload_signed="no"])
AC_MSG_RESULT($libnetfilter_queue_nfq_get_payload_signed)
if test "x$libnetfilter_queue_nfq_get_payload_signed" = "xyes"; then
AC_DEFINE([NFQ_GET_PAYLOAD_SIGNED], [1], [For signed version of nfq_get_payload])
fi
CFLAGS="${STORECFLAGS}"
;;
esac
if test "$NFQ" = "no"; then
echo
echo " ERROR! libnetfilter_queue library not found, go get it"
echo " from www.netfilter.org."
echo " we automatically append libnetfilter_queue/ when searching"
echo " for headers etc. when the --with-libnfq-includes directive"
echo " is used"
echo
exit 1
fi
])
# prelude
AC_ARG_ENABLE(prelude,
AS_HELP_STRING([--enable-prelude], [Enable Prelude support for alerts]),,[enable_prelude=no])
AS_IF([test "x$enable_prelude" = "xyes"], [
CFLAGS="$CFLAGS -DPRELUDE"
AM_PATH_LIBPRELUDE(0.9.9, , AC_MSG_ERROR(Cannot find libprelude: Is libprelude-config in the path?), no)
if test "x${LIBPRELUDE_CFLAGS}" != "x"; then
CPPFLAGS="${CPPFLAGS} ${LIBPRELUDE_CFLAGS}"
fi
if test "x${LIBPRELUDE_LDFLAGS}" != "x"; then
LDFLAGS="${LDFLAGS} ${LIBPRELUDE_LDFLAGS}"
fi
if test "x${LIBPRELUDE_LIBS}" != "x"; then
LDFLAGS="${LDFLAGS} ${LIBPRELUDE_LIBS}"
fi
])
# libnet
AC_ARG_WITH(libnet_includes,
[ --with-libnet-includes=DIR libnet include directory],
[with_libnet_includes="$withval"],[with_libnet_includes="no"])
AC_ARG_WITH(libnet_libraries,
[ --with-libnet-libraries=DIR libnet library directory],
[with_libnet_libraries="$withval"],[with_libnet_libraries="no"])
if test "x$with_libnet_includes" != "xno"; then
CPPFLAGS="${CPPFLAGS} -I${with_libnet_includes}"
libnet_dir="${with_libnet_includes}"
else
libnet_dir="/usr/include /usr/local/include /usr/local/include/libnet11 /opt/local/include /usr/local/include/libnet-1.1"
fi
if test "x$with_libnet_libraries" != "xno"; then
LDFLAGS="${LDFLAGS} -L${with_libnet_libraries}"
fi
LIBNET_DETECT_FAIL="no"
LIBNET_INC_DIR=""
for i in $libnet_dir; do
if test -r "$i/libnet.h"; then
LIBNET_INC_DIR="$i"
fi
done
AC_MSG_CHECKING(for libnet.h version 1.1.x)
if test "$LIBNET_INC_DIR" != ""; then
if eval "grep LIBNET_VERSION $LIBNET_INC_DIR/libnet.h | grep -v 1.1 >/dev/null"; then
AC_MSG_RESULT(no)
LIBNET_DETECT_FAIL="yes"
LIBNET_FAIL_WARN($libnet_dir)
else
AC_MSG_RESULT(yes)
fi
#CentOS, Fedora, Ubuntu-LTS, Ubuntu all set defines to the same values. libnet-config seems
#to have been depreciated but all distro's seem to include it as part of the package.
if test "$LIBNET_DETECT_FAIL" = "no"; then
LLIBNET=""
AC_CHECK_LIB(net, libnet_write,, LLIBNET="no")
if test "$LLIBNET" != "no"; then
CFLAGS="${CFLAGS} -DHAVE_LIBNET11 -D_BSD_SOURCE -D__BSD_SOURCE -D__FAVOR_BSD -DHAVE_NET_ETHERNET_H"
else
#if we displayed a warning already no reason to do it again.
if test "$LIBNET_DETECT_FAIL" = "no"; then
LIBNET_DETECT_FAIL="yes"
LIBNET_FAIL_WARN($libnet_dir)
fi
fi
# see if we have the patched libnet 1.1
# http://www.inliniac.net/blog/2007/10/16/libnet-11-ipv6-fixes-and-additions.html
#
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
if test "$LIBNET_DETECT_FAIL" = "no"; then
LLIBNET=""
TMPLIBS="${LIBS}"
AC_CHECK_LIB(net, libnet_build_icmpv6_unreach,, LLIBNET="no")
if test "$LLIBNET" != "no"; then
CFLAGS="$CFLAGS -DHAVE_LIBNET_ICMPV6_UNREACH"
fi
LIBS="${TMPLIBS}"
fi
fi
else
LIBNET_DETECT_FAIL="yes"
LIBNET_FAIL_WARN($libnet_dir)
fi
# libpfring (currently only supported for libpcap enabled pfring)
# Error on the side of caution. If libpfring enabled pcap is being used and we don't link against -lpfring compilation will fail.
AC_ARG_ENABLE(pfring,
AS_HELP_STRING([--enable-pfring], [Enable Native PF_RING support]),,[enable_pfring=no])
AS_IF([test "x$enable_pfring" = "xyes"], [
CFLAGS="$CFLAGS -DHAVE_PFRING"
#We have to set CFLAGS for AC_TRY_COMPILE as it doesn't pay attention to CPPFLAGS
AC_ARG_WITH(libpfring_includes,
[ --with-libpfring-includes=DIR libpfring include directory],
[with_libpfring_includes="$withval"],[with_libpfring_includes=no])
AC_ARG_WITH(libpfring_libraries,
[ --with-libpfring-libraries=DIR libpfring library directory],
[with_libpfring_libraries="$withval"],[with_libpfring_libraries="no"])
if test "$with_libpfring_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpfring_includes}"
fi
if test "$with_libpfring_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpfring_libraries}"
fi
LIBPFRING=""
AC_CHECK_LIB(pfring, pfring_open,, LIBPFRING="no", [-lpcap])
if test "$LIBPFRING" = "no"; then
if test "x$enable_pfring" = "xyes"; then
echo
echo " ERROR! --enable-pfring was passed but the library was not found or version is >4, go get it"
echo " from http://www.ntop.org/PF_RING.html"
echo
exit 1
fi
fi
LIBPFRING_ENABLE_RING=""
AC_CHECK_LIB(pfring, pfring_enable_ring,, LIBPFRING_ENABLE_RING="no", [-lpcap])
if test "$LIBPFRING_ENABLE_RING" != "no"; then
AC_DEFINE([HAVE_PFRING_ENABLE],[1],[PF_RING pfring_enable_ring is available])
fi
LIBPFRING_CLUSTER_TYPE=""
AC_CHECK_LIB(pfring, pfring_set_cluster,
, LIBPFRING_CLUSTER_TYPE="no", [-lpcap])
if test "$LIBPFRING_CLUSTER_TYPE" != "no"; then
AC_DEFINE([HAVE_PFRING_CLUSTER_TYPE],[1],[PF_RING pfring_set_cluster is available])
fi
LIBPFRING_BPF_FILTER=""
AC_CHECK_LIB(pfring, pfring_set_bpf_filter,
, LIBPFRING_BPF_FILTER="no", [-lpcap])
LIBPFRING_REMOVE_BPF_FILTER=""
AC_CHECK_LIB(pfring, pfring_remove_bpf_filter,
, LIBPFRING_REMOVE_BPF_FILTER="no", [-lpcap])
if test "$LIBPFRING_BPF_FILTER" != "no" -a "$LIBPFRING_REMOVE_BPF_FILTER" != "no"; then
AC_DEFINE([HAVE_PFRING_SET_BPF_FILTER],[1],[PF_RING pfring_set_bpf_filter is available])
fi
STORE_CFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Werror"
AC_MSG_CHECKING([if pfring_recv expects u_char**])
AC_TRY_COMPILE([
#include <pfring.h>
],
[
u_char *buffer;
pfring_recv(NULL, &buffer, 0, NULL, 1);
],
[ pfring_recv_uchar_buff=yes ], [:])
CFLAGS="${STORE_CFLAGS}"
if test "$pfring_recv_uchar_buff" = "yes"; then
AC_DEFINE([HAVE_PFRING_RECV_UCHAR],[1],[PF_RING pfring_recv buffer is u_char**])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
# check if the argument to nfq_get_payload is signed or unsigned
AC_MSG_CHECKING([for post 5.4.0 pfring_open function])
STORECFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Werror"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[
#include <pfring.h>
],
[
pfring_open(NULL, 0, 0);
])],
[pfring_new_open="yes"],
[pfring_new_open="no"])
AC_MSG_RESULT($pfring_new_open)
if test "x$pfring_new_open" = "xyes"; then
AC_DEFINE([HAVE_PFRING_OPEN_NEW], [1], [For post 5.4.0 version of pfring_open])
fi
CFLAGS="${STORECFLAGS}"
])
# libpcap
AC_ARG_WITH(libpcap_includes,
[ --with-libpcap-includes=DIR libpcap include directory],
[with_libpcap_includes="$withval"],[with_libpcap_includes=no])
AC_ARG_WITH(libpcap_libraries,
[ --with-libpcap-libraries=DIR libpcap library directory],
[with_libpcap_libraries="$withval"],[with_libpcap_libraries="no"])
if test "$with_libpcap_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libpcap_includes}"
fi
AC_CHECK_HEADER(pcap.h,,[AC_ERROR(pcap.h not found ...)])
if test "$with_libpcap_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libpcap_libraries}"
fi
AC_CHECK_HEADERS([pcap.h pcap/pcap.h pcap/bpf.h])
LIBPCAP=""
AC_CHECK_LIB(pcap, pcap_open_live,, LIBPCAP="no", [-lpthread])
if test "$LIBPCAP" = "no"; then
echo
echo " ERROR! libpcap library not found, go get it"
echo " from http://www.tcpdump.org or your distribution:"
echo
echo " Ubuntu: apt-get install libpcap-dev"
echo " Fedora: yum install libpcap-devel"
echo
exit 1
fi
# pcap_activate and pcap_create only exists in libpcap >= 1.0
LIBPCAPVTEST=""
#To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
#see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
TMPLIBS="${LIBS}"
AC_CHECK_LIB(pcap, pcap_activate,, LPCAPVTEST="no")
if test "$LPCAPVTEST" != "no"; then
AC_PATH_PROG(HAVE_PCAP_CONFIG, pcap-config, "no")
if test "$HAVE_PCAP_CONFIG" = "no"; then
CFLAGS="${CFLAGS} -DLIBPCAP_VERSION_MAJOR=1"
else
CFLAGS="${CFLAGS} `pcap-config --defines` `pcap-config --cflags` -DLIBPCAP_VERSION_MAJOR=1"
fi
else
CFLAGS="${CFLAGS} -DLIBPCAP_VERSION_MAJOR=0"
fi
LIBS="${TMPLIBS}"
#Appears as if pcap_set_buffer_size is linux only?
LIBPCAPSBUFF=""
#To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
#see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
TMPLIBS="${LIBS}"