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configure.ac
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AC_INIT(suricata, 3.1dev)
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])AM_SILENT_RULES([yes])
m4_ifndef([AS_VERSION_COMPARE], [AC_DEFUN([AS_VERSION_COMPARE],[])])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([src/suricata.c])
AC_CONFIG_MACRO_DIR(m4)
AM_INIT_AUTOMAKE
AC_LANG_C
AC_PROG_CC_C99
AC_PROG_LIBTOOL
PKG_PROG_PKG_CONFIG(0.21) # 0.21 is the CentOS 5.11 version
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 " $1
echo " Reject keywords will not be supported."
echo " If you require reject support, please install libnet 1.1.x. "
echo " If libnet is not installed in a non-standard location please use the"
echo " --with-libnet-includes and --with-libnet-libraries configure options"
echo "*************************************************************************"
echo
])
dnl Taken from https://llvm.org/svn/llvm-project/llvm/trunk/autoconf/configure.ac
dnl check if we compile using clang or gcc. On some systems the gcc binary is
dnl is actually clang, so do a compile test.
AC_MSG_CHECKING([whether GCC or Clang is our compiler])
AC_LANG_PUSH([C])
compiler=unknown
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __clang__
#error
#endif
]])],
compiler=clang,
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#if ! __GNUC__
#error
#endif
]])],
compiler=gcc, [])])
AC_LANG_POP([C])
AC_MSG_RESULT([${compiler}])
case "$compiler" in
clang)
CLANG_CFLAGS="-Wextra -Werror-implicit-function-declaration -Wno-error=unused-command-line-argument"
AC_MSG_CHECKING([clang __sync_bool_compare_and_swap support])
AC_TRY_COMPILE([#include <stdio.h>],
[ unsigned int i = 0; (void)__sync_bool_compare_and_swap(&i, 1, 1);],
[
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1], [1], [Fake GCC atomic support])
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2], [1], [Fake GCC atomic support])
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], [1], [Fake GCC atomic support])
AC_DEFINE([__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8], [1], [Fake GCC atomic support])
AC_MSG_RESULT([yes]) ],
[AC_MSG_RESULT([no])])
AC_SUBST(CLANG_CFLAGS)
;;
gcc)
dnl get gcc version
AC_MSG_CHECKING([gcc version])
gccver=$($CC -dumpversion)
gccvermajor=$(echo $gccver | cut -d . -f1)
gccverminor=$(echo $gccver | cut -d . -f2)
gccvernum=$(expr $gccvermajor "*" 100 + $gccverminor)
AC_MSG_RESULT($gccver)
if test "$gccvernum" -ge "400"; then
dnl gcc 4.0 or later
GCC_CFLAGS="-Wextra -Werror-implicit-function-declaration"
# remove optimization options that break our code
# VJ 2010/06/27: no-tree-pre added. It breaks ringbuffers code.
GCC_CFLAGS="$GCC_CFLAGS -fno-tree-pre"
else
GCC_CFLAGS="-W"
fi
AC_SUBST(GCC_CFLAGS)
;;
*)
AC_MSG_WARN([unsupported/untested compiler, this may or may not work])
;;
esac
# 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 "$HAVE_PKG_CONFIG" = "no"; then
echo
echo " ERROR! pkg-config not found, go get it "
echo " http://pkg-config.freedesktop.org/wiki/ "
echo " or install from your distribution "
echo
exit 1
fi
AC_ARG_ENABLE(python,
AS_HELP_STRING([--enable-python], [Enable python]),,[enable_python=yes])
AC_PATH_PROG(HAVE_PYTHON_CONFIG, python, "no")
if test "x$enable_python" = "xno" ; then
echo
echo " Warning! python disabled, you will not be "
echo " able to install suricatasc unix socket client "
echo
enable_python="no"
fi
if test "$HAVE_PYTHON_CONFIG" = "no"; then
echo
echo " Warning! python not found, you will not be "
echo " able to install suricatasc unix socket client "
echo
enable_python="no"
fi
AM_CONDITIONAL([HAVE_PYTHON], [test "x$enable_python" = "xyes"])
AC_PATH_PROG(HAVE_WGET, wget, "no")
if test "$HAVE_WGET" = "no"; then
AC_PATH_PROG(HAVE_CURL, curl, "no")
if test "$HAVE_CURL" = "no"; then
echo
echo " Warning curl or wget not found, you won't be able to"
echo " download latest ruleset with 'make install-rules'"
fi
fi
AM_CONDITIONAL([HAVE_FETCH_COMMAND], [test "x$HAVE_WGET" != "xno" || test "x$HAVE_CURL" != "xno"])
AM_CONDITIONAL([HAVE_WGET_COMMAND], [test "x$HAVE_WGET" != "xno"])
# Checks for libraries.
# Checks for header files.
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([arpa/inet.h assert.h ctype.h errno.h fcntl.h inttypes.h])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([limits.h netdb.h netinet/in.h poll.h sched.h signal.h])
AC_CHECK_HEADERS([stdarg.h stdint.h stdio.h stdlib.h string.h sys/ioctl.h])
AC_CHECK_HEADERS([syslog.h sys/prctl.h sys/socket.h sys/stat.h sys/syscall.h])
AC_CHECK_HEADERS([sys/time.h time.h unistd.h])
AC_CHECK_HEADERS([sys/ioctl.h linux/if_ether.h linux/if_packet.h linux/filter.h])
AC_CHECK_HEADERS([linux/ethtool.h linux/sockios.h])
AC_CHECK_HEADER(glob.h,,[AC_ERROR(glob.h not found ...)])
AC_CHECK_HEADERS([sys/socket.h net/if.h sys/mman.h linux/if_arp.h], [], [],
[[#ifdef HAVE_SYS_SOCKET_H
#include <sys/types.h>
#include <sys/socket.h>
#endif
]])
AC_CHECK_HEADERS([windows.h winsock2.h ws2tcpip.h w32api/wtypes.h], [], [],
[[
#ifndef _X86_
#define _X86_
#endif
]])
AC_CHECK_HEADERS([w32api/winbase.h], [], [],
[[
#ifndef _X86_
#define _X86_
#endif
#include <windows.h>
]])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_INT32_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_HEADER_STDBOOL
# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([gettimeofday memset strcasecmp strchr strdup strerror strncasecmp strtol strtoul memchr memrchr])
OCFLAGS=$CFLAGS
CFLAGS=""
AC_CHECK_FUNCS([strlcpy strlcat])
CFLAGS=$OCFLAGS
# Add large file support
AC_SYS_LARGEFILE
#check for os
AC_MSG_CHECKING([host os])
# lua pkg-config name differs per OS
LUA_PC_NAME="lua5.1"
LUA_LIB_NAME="lua5.1"
# If no host os was detected, try with uname
if test -z "$host" ; then
host="`uname`"
fi
echo -n "installation for $host OS... "
e_magic_file=""
e_magic_file_comment="#"
case "$host" in
*-*-*freebsd*)
LUA_PC_NAME="lua-5.1"
LUA_LIB_NAME="lua-5.1"
CFLAGS="${CFLAGS} -DOS_FREEBSD"
CPPFLAGS="${CPPFLAGS} -I/usr/local/include -I/usr/local/include/libnet11"
LDFLAGS="${LDFLAGS} -L/usr/local/lib -L/usr/local/lib/libnet11"
;;
*-*-openbsd*)
LUA_PC_NAME="lua51"
CFLAGS="${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"
;;
*darwin*|*Darwin*)
LUA_PC_NAME="lua-5.1"
LUA_LIB_NAME="lua-5.1"
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="${LDFLAGS} -lws2_32"
WINDOWS_PATH="yes"
;;
*-*-cygwin)
LUA_PC_NAME="lua"
LUA_LIB_NAME="lua"
WINDOWS_PATH="yes"
;;
*)
AC_MSG_WARN([unsupported OS this may or may not work])
;;
esac
AC_MSG_RESULT(ok)
# enable modifications for AFL fuzzing
AC_ARG_ENABLE(afl,
AS_HELP_STRING([--enable-afl], Enable AFL fuzzing logic[])], [enable_afl="$enableval"],[enable_afl=no])
AS_IF([test "x$enable_afl" = "xyes"], [
AC_DEFINE([AFLFUZZ_NO_RANDOM], [1], [Disable all use of random functions])
AC_DEFINE([AFLFUZZ_DISABLE_MGTTHREADS], [1], [Disable all management threads])
AC_DEFINE([AFLFUZZ_PCAP_RUNMODE], [1], [Enable special AFL 'single' runmode])
AC_DEFINE([AFLFUZZ_CONF_TEST], [1], [Enable special --afl-parse-rules commandline option])
AC_DEFINE([AFLFUZZ_APPLAYER], [1], [Enable --afl-$proto-request commandline option])
AC_DEFINE([AFLFUZZ_MIME], [1], [Enable --afl-mime commandline option])
AC_DEFINE([AFLFUZZ_DECODER], [1], [Enable --afl-decoder-$proto commandline option])
AC_DEFINE([AFLFUZZ_DER], [1], [Enable --afl-der commandline option])
AC_DEFINE([AFLFUZZ_RULES], [1], [Enable --afl-rules commandline option])
# test for AFL PERSISTANT_MODE support
CFLAGS_ORIG=$CFLAGS
CFLAGS="-Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[while (__AFL_LOOP(1000))]])],
[AC_DEFINE([AFLFUZZ_PERSISTANT_MODE], [1], [Enable AFL PERSISTANT_MODE])],
[])
CFLAGS=$CFLAGS_ORIG
])
# disable TLS on user request
AC_ARG_ENABLE(threading-tls,
AS_HELP_STRING([--disable-threading-tls], [Disable TLS (thread local storage)]), [enable_tls="$enableval"],[enable_tls=yes])
AS_IF([test "x$enable_tls" = "xyes"], [
# check if our target supports thread local storage
AC_MSG_CHECKING(for thread local storage __thread support)
AC_TRY_COMPILE([#include <stdlib.h>],
[ static __thread int i; i = 1; i++; ],
[AC_DEFINE([TLS], [1], [Thread local storage])
AC_MSG_RESULT([yes]) ],
[AC_MSG_RESULT([no])])
])
#Enable support for gcc compile time security options. There is no great way to do detection of valid cflags that I have found
#AX_CFLAGS_GCC_OPTION don't seem to do a better job than the code below and are a pain because of extra m4 files etc.
#These flags seem to be supported on CentOS 5+, Ubuntu 8.04+, and FedoreCore 11+
#Options are taken from https://wiki.ubuntu.com/CompilerFlags
AC_ARG_ENABLE(gccprotect,
AS_HELP_STRING([--enable-gccprotect], [Detect and use gcc hardening options]),,[enable_gccprotect=no])
AS_IF([test "x$enable_gccprotect" = "xyes"], [
#buffer overflow protection
AC_MSG_CHECKING(for -fstack-protector)
TMPCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -fstack-protector"
AC_TRY_LINK(,,SECCFLAGS="-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="${TMPLDFLAGS}"
AC_SUBST(SECCFLAGS)
AC_SUBST(SECLDFLAGS)
])
#enable profile generation
AC_ARG_ENABLE(gccprofile,
AS_HELP_STRING([--enable-gccprofile], [Enable gcc profile info i.e -pg flag is set]),,[enable_gccprofile=no])
AS_IF([test "x$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"], [
OFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -march=native"
AC_MSG_CHECKING([checking if $CC supports -march=native])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[#include <stdlib.h>]])],
[
AC_MSG_RESULT([yes])
OPTIMIZATION_CFLAGS="-march=native"
AC_SUBST(OPTIMIZATION_CFLAGS)
],
[
AC_MSG_RESULT([no])
CFLAGS="$OFLAGS"
enable_gccmarch_native=no
]
)
])
# 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$enable_unittests" = "xyes"], [
AC_DEFINE([UNITTESTS],[1],[Enable built-in unittests])
])
AM_CONDITIONAL([BUILD_UNITTESTS], [test "x$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$enable_old_barnyard2" = "xyes"], [
AC_DEFINE([HAVE_OLD_BARNYARD2],[1],[Use workaround for old barnyard2 in unified2 output])
])
# enable debug output
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug], [Enable debug output]),,[enable_debug=no])
AS_IF([test "x$enable_debug" = "xyes"], [
AC_DEFINE([DEBUG],[1],[Enable debug output])
])
AM_CONDITIONAL([DEBUG], [test "x$enable_debug" = "xyes"])
# enable debug validation functions & macro's output
AC_ARG_ENABLE(debug-validation,
AS_HELP_STRING([--enable-debug-validation], [Enable (debug) validation code output]),,[enable_debug_validation=no])
AS_IF([test "x$enable_debug_validation" = "xyes"], [
AC_DEFINE([DEBUG_VALIDATION],[1],[Enable (debug) validation code output])
])
# 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])
;;
*)
AC_DEFINE([PROFILING],[1],[Enable performance profiling])
;;
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$enable_profiling_locks" = "xyes"], [
AC_DEFINE([PROFILING],[1],[Enable performance profiling])
AC_DEFINE([PROFILE_LOCKING],[1],[Enable performance profiling for locks])
])
# enable support for IPFW
AC_ARG_ENABLE(ipfw,
AS_HELP_STRING([--enable-ipfw], [Enable FreeBSD IPFW support for inline IDP]),,[enable_ipfw=no])
AS_IF([test "x$enable_ipfw" = "xyes"], [
AC_DEFINE([IPFW],[1],[Enable FreeBSD IPFW support for inline IDP])
])
AC_ARG_ENABLE(coccinelle,
AS_HELP_STRING([--disable-coccinelle], [Disable coccinelle QA steps during make check]),[enable_coccinelle="$enableval"],[enable_coccinelle=yes])
AS_IF([test "x$enable_coccinelle" = "xyes"], [
AC_PATH_PROG(HAVE_COCCINELLE_CONFIG, spatch, "no")
if test "$HAVE_COCCINELLE_CONFIG" = "no"; then
echo " Warning! spatch not found, you will not be "
echo " able to run code checking with coccinelle "
echo " get it from http://coccinelle.lip6.fr "
echo " or install from your distribution "
enable_coccinelle=no
fi
])
AM_CONDITIONAL([HAVE_COCCINELLE], [test "x$enable_coccinelle" != "xno"])
# disable detection
AC_ARG_ENABLE(detection,
AS_HELP_STRING([--disable-detection], [Disable Detection Modules]), [enable_detection="$enableval"],[enable_detection=yes])
AS_IF([test "x$enable_detection" = "xno"], [
AC_DEFINE([HAVE_DETECT_DISABLED], [1], [Detection is disabled])
])
# Tilera PCIE logging
AM_CONDITIONAL([BUILD_PCIE_LOGGING], [test ! -z "$TILERA_ROOT"])
# libraries
AC_MSG_CHECKING([for Mpipe])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <gxio/mpipe.h>]])],
[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_MPIPE],[1],[mPIPE support is available])
LDFLAGS="$LDFLAGS -lgxpci -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 "$PCRE" = "no"; then
echo
echo " ERROR! pcre library not found, go get it"
echo " from www.pcre.org."
echo
exit 1
fi
# libpcre 8.35 (especially on debian) has a known issue that results in segfaults
# see https://redmine.openinfosecfoundation.org/issues/1693
if test "$with_libpcre_libraries" = "no"; then
PKG_CHECK_MODULES(LIBPCREVERSION, [libpcre = 8.35],[libpcre_buggy_found="yes"],[libprce_buggy_found="no"])
if test "$libpcre_buggy_found" = "yes"; then
echo
echo " Warning! vulnerable libpcre version 8.35 found"
echo " This version has a known issue that could result in segfaults"
echo " please upgrade to a newer version of pcre which you can get from"
echo " www.pcre.org. For more information, see issue #1693"
echo
echo " Continuing for now with JIT disabled..."
echo
fi
fi
# To prevent duping the lib link we reset LIBS after this check. Setting action-if-found to NULL doesn't seem to work
# see: http://blog.flameeyes.eu/2008/04/29/i-consider-ac_check_lib-harmful
PCRE=""
TMPLIBS="${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 "$pcre_match_limit_recursion_available" != "yes"; then
echo
echo " Warning! pcre extra opt PCRE_EXTRA_MATCH_LIMIT_RECURSION not found"
echo " This could lead to potential DoS please upgrade to pcre >= 6.5"
echo " from www.pcre.org."
echo " Continuing for now...."
echo
AC_DEFINE([NO_PCRE_MATCH_RLIMIT],[1],[Pcre PCRE_EXTRA_MATCH_LIMIT_RECURSION not available])
fi
TMPCFLAGS="${CFLAGS}"
CFLAGS="-O0 -g -Werror -Wall"
AC_TRY_COMPILE([ #include <pcre.h> ],
[ pcre_extra *extra = NULL; pcre_free_study(extra); ],
[ AC_DEFINE([HAVE_PCRE_FREE_STUDY], [1], [Pcre pcre_free_study supported])], [:]
)
CFLAGS="${TMPCFLAGS}"
#enable support for PCRE-jit available since pcre-8.20
AC_MSG_CHECKING(for PCRE JIT support)
AC_TRY_COMPILE([ #include <pcre.h> ],
[
int jit = 0;
pcre_config(PCRE_CONFIG_JIT, &jit);
],
[ pcre_jit_available=yes ], [ pcre_jit_available=no ]
)
# bug 1693, libpcre 8.35 is broken and debian jessie is still using that
if test "$libpcre_buggy_found" = "yes"; then
pcre_jit_available="no, libpcre 8.35 blacklisted"
fi
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
# libhs
enable_hyperscan="no"
# Try pkg-config first:
PKG_CHECK_MODULES([libhs], libhs,, [with_pkgconfig_libhs=no])
if test "$with_pkgconfig_libhs" != "no"; then
CPPFLAGS="${CPPFLAGS} ${libhs_CFLAGS}"
LIBS="${LIBS} ${libhs_LIBS}"
fi
AC_ARG_WITH(libhs_includes,
[ --with-libhs-includes=DIR libhs include directory],
[with_libhs_includes="$withval"],[with_libhs_includes=no])
AC_ARG_WITH(libhs_libraries,
[ --with-libhs-libraries=DIR libhs library directory],
[with_libhs_libraries="$withval"],[with_libhs_libraries="no"])
if test "$with_libhs_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libhs_includes}"
fi
AC_CHECK_HEADER(hs.h,HYPERSCAN="yes",HYPERSCAN="no")
if test "$HYPERSCAN" = "yes"; then
if test "$with_libhs_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libhs_libraries}"
fi
AC_CHECK_LIB(hs,hs_compile,,HYPERSCAN="no")
enable_hyperscan="yes"
if test "$HYPERSCAN" = "no"; then
echo
echo " Hyperscan headers are present, but link test failed."
echo " Check that you have a shared library and C++ linkage available."
echo
enable_hyperscan="no"
fi
fi
AS_IF([test "x$enable_hyperscan" = "xyes"], [AC_DEFINE([BUILD_HYPERSCAN], [1], [Intel Hyperscan support enabled])])
# 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 "$JANSSON" = "no"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo
if test "x$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$enable_unixsocket" = "xyes"; then
echo
echo " Jansson >= 2.2 is required for features like unix socket"
echo " Go get it from your distribution or from:"
echo " http://www.digip.org/jansson/"
echo
exit 1
fi
enable_unixsocket="no"
fi
AS_IF([test "x$enable_unixsocket" = "xyes"], [AC_DEFINE([BUILD_UNIX_SOCKET], [1], [Unix socket support enabled])])
AC_ARG_ENABLE(nflog,
AS_HELP_STRING([--enable-nflog],[Enable libnetfilter_log support]),
[ enable_nflog="yes"],
[ enable_nflog="no"])
AC_ARG_ENABLE(nfqueue,
AS_HELP_STRING([--enable-nfqueue], [Enable NFQUEUE support for inline IDP]),[enable_nfqueue=yes],[enable_nfqueue=no])
if test "x$enable_nflog" = "xyes" || test "x$enable_nfqueue" = "xyes"; then
# 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
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-includes directive"
echo " is used"
echo
fi
;;
esac
fi
# enable support for NFQUEUE
AS_IF([test "x$enable_nfqueue" = "xyes"], [
AC_DEFINE_UNQUOTED([NFQ],[1],[Enable Linux Netfilter NFQUEUE support for inline IDP])
#libnetfilter_queue
AC_ARG_WITH(libnetfilter_queue_includes,
[ --with-libnetfilter_queue-includes=DIR libnetfilter_queue include directory],
[with_libnetfilter_queue_includes="$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 "$NFQ" = "no"; then
echo
echo " ERROR! libnetfilter_queue library not found, go get it"
echo " from www.netfilter.org."
echo " we automatically append libnetfilter_queue/ when searching"
echo " for headers etc. when the --with-libnfq-includes directive"
echo " is used"
echo
exit 1
fi
])
# libnetfilter_log
AC_ARG_WITH(libnetfilter_log_includes,
[ --with-libnetfilter_log-includes=DIR libnetfilter_log include directory],
[with_libnetfilter_log_includes="$withval"],[with_libnetfilter_log_includes="no"])
AC_ARG_WITH(libnetfilter_log_libraries,
[ --with-libnetfilter_log-libraries=DIR libnetfilter_log library directory],
[with_libnetfilter_log_libraries="$withval"],[with_libnetfilter_log_libraries="no"])
if test "$enable_nflog" = "yes"; then
if test "$with_libnetfilter_log_includes" != "no"; then
CPPFLAGS="${CPPFLAGS} -I${with_libnetfilter_log_includes}"
fi
AC_CHECK_HEADER(libnetfilter_log/libnetfilter_log.h,,[AC_ERROR(libnetfilter_log.h not found ...)])
if test "$with_libnetfilter_log_libraries" != "no"; then
LDFLAGS="${LDFLAGS} -L${with_libnetfilter_log_libraries}"
fi
NFLOG=""
AC_CHECK_LIB(netfilter_log, nflog_open,, NFLOG="no")
if test "$NFLOG" = "no"; then
echo
echo " ERROR! libnetfilter_log library not found, go get it"
echo " from http://www.netfilter.org."
echo
exit 1
else
AC_DEFINE([HAVE_NFLOG],[1],[nflog available])
enable_nflog="yes"
fi
fi
# prelude
AC_ARG_ENABLE(prelude,
AS_HELP_STRING([--enable-prelude], [Enable Prelude support for alerts]),,[enable_prelude=no])
# Prelude doesn't work with -Werror
STORECFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -Wno-error=unused-result"
AS_IF([test "x$enable_prelude" = "xyes"], [
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} ${LIBPRELUDE_LIBS}"
fi
AC_DEFINE([PRELUDE], [1], [Libprelude support enabled])
])
CFLAGS="${STORECFLAGS}"
# 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
LIBNET_VER=`grep LIBNET_VERSION $LIBNET_INC_DIR/libnet.h | grep '1.[[12]]' | sed 's/[[^"]]*"\([[^"]]*\).*/\1/'`
if test -z "$LIBNET_VER" ; then
AC_MSG_RESULT(no)