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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(ncat_main.c)
AC_CONFIG_HEADER(config.h)
m4_include([../acinclude.m4])
AC_CANONICAL_HOST
use_openssl="yes"
specialssldir=""
AC_ARG_WITH(openssl,[ --with-openssl=DIR Use optional openssl libs and includes from [DIR]/lib/ and [DIR]/include/openssl/],
[ case "$with_openssl" in
yes)
;;
no)
use_openssl="no"
;;
*)
specialssldir="$with_openssl"
LDFLAGS="$LDFLAGS -L$with_openssl/lib"
CPPFLAGS="-I$with_openssl/include $CPPFLAGS"
;;
esac]
)
# Checks for programs.
AC_PROG_CC
if test -n "$GCC"; then
CFLAGS="$CFLAGS -Wall"
fi
AC_PROG_INSTALL
AC_PATH_TOOL([STRIP], [strip], [/bin/true])
# Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([fcntl.h limits.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/param.h sys/socket.h sys/time.h sys/timeb.h unistd.h sys/un.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STAT
AC_C_CONST
AC_HEADER_TIME
# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([dup2 gettimeofday inet_ntoa memset mkstemp select socket strcasecmp strchr strdup strerror strncasecmp strtol])
AC_SEARCH_LIBS(setsockopt, socket)
# Ncat does not call gethostbyname directly, but some of the libraries
# it links to (such as libpcap) do. Instead it calls getaddrinfo. At
# one point we changed this test to use getaddrinfo rather than
# gethostbyname, but on a Solaris 9 SPARC box that function could be
# called without -lnsl, while gethostbyname sitll required -lnsl, so
# we changed the test back.
AC_SEARCH_LIBS(gethostbyname, nsl)
# OpenSSL requires dlopen on some platforms
AC_SEARCH_LIBS(dlopen, dl)
# If they didn't specify it, we try to find it
if test "$use_openssl" = "yes" -a -z "$specialssldir" ; then
AC_CHECK_HEADER(openssl/ssl.h,,
[ use_openssl="no"
AC_MSG_WARN([Failed to find openssl/ssl.h so OpenSSL will not be used.
If it is installed you can try the --with-openssl=DIR argument]) ])
if test "$use_openssl" = "yes"; then
AC_CHECK_HEADER(openssl/err.h,,
[ use_openssl="no"
AC_MSG_WARN([Failed to find openssl/err.h so OpenSSL will not be used.
If it is installed you can try the --with-openssl=DIR argument]) ])
fi
if test "$use_openssl" = "yes"; then
AC_CHECK_HEADER(openssl/rand.h,,
[ use_openssl="no"
AC_MSG_WARN([Failed to find openssl/rand.h so OpenSSL will not be used.
If it is installed you can try the --with-openssl=DIR argument]) ])
fi
if test "$use_openssl" = "yes"; then
AC_CHECK_LIB(crypto, BIO_int_ctrl,
[ use_openssl="yes"],
[ use_openssl="no"
AC_MSG_WARN([Failed to find libcrypto so OpenSSL will not be used.
If it is installed you can try the --with-openssl=DIR argument]) ])
fi
if test "$use_openssl" = "yes"; then
AC_CHECK_LIB(ssl, SSL_new,
[ use_openssl="yes"],
[ use_openssl="no"
AC_MSG_WARN([Failed to find libssl so OpenSSL will not be used.
If it is installed you can try the --with-openssl=DIR argument]) ],
[ -lcrypto ])
fi
fi
OPENSSL_LIBS=
if test "$use_openssl" = "yes"; then
AC_DEFINE([HAVE_OPENSSL], [1], [Define to 1 if you have OpenSSL.])
AC_DEFINE([HAVE_HTTP_DIGEST], [1], [Define to 1 to enable HTTP Digest authentication (requires OpenSSL).])
OPENSSL_LIBS="-lssl -lcrypto"
# Define in Makefile also.
HAVE_OPENSSL=yes
AC_SUBST(HAVE_OPENSSL)
fi
AC_SUBST(OPENSSL_LIBS)
libpcapdir=../libpcap
AC_SUBST(libpcapdir)
dnl Check whether libpcap is already available
have_libpcap=no
# By default, search for pcap library
test "${with_libpcap+set}" != "set" && with_libpcap=yes
AC_ARG_WITH(libpcap,
AC_HELP_STRING([--with-libpcap=DIR], [Look for pcap in DIR/include and DIR/libs.])
AC_HELP_STRING([--with-libpcap=included], [Always use version included with Nmap]),
[ case "$with_libpcap" in
yes)
AC_CHECK_HEADER(pcap.h,[
AC_CHECK_LIB(pcap, pcap_datalink,
[have_libpcap=yes ])])
;;
included)
have_libpcap=no
;;
*)
_cppflags=$CXXFLAGS
_ldflags=$LDFLAGS
CPPFLAGS="-I$with_libpcap/include $CPPFLAGS"
LDFLAGS="-L$with_libpcap/lib $LDFLAGS"
AC_CHECK_HEADER(pcap.h,[
AC_CHECK_LIB(pcap, pcap_datalink,
[have_libpcap=yes
LIBPCAP_INC=$with_libpcap/include
LIBPCAP_LIB=$with_libpcap/lib])])
LDFLAGS=$_ldflags
CXXFLAGS=$_cppflags
;;
esac]
)
if test $have_libpcap = yes; then
if test "${LIBPCAP_INC+set}" = "set"; then
_cflags=$CXXFLAGS
_ldflags=$LDFLAGS
CPPFLAGS="-I$LIBPCAP_INC $CPPFLAGS"
LDFLAGS="-L$LIBPCAP_LIB $LDFLAGS"
fi
# link with -lpcap for the purposes of this test
LIBS_OLD="$LIBS"
LIBS="$LIBS -lpcap"
PCAP_IS_SUITABLE([have_libpcap=yes], [have_libpcap=no], [have_libpcap=yes])
LIBS="$LIBS_OLD"
fi
PCAP_LIBS="-lpcap"
if test $have_libpcap = yes; then
PCAP_DEPENDS=""
PCAP_BUILD=""
PCAP_CLEAN=""
PCAP_DIST_CLEAN=""
AC_DEFINE(HAVE_LIBPCAP)
else
if test "${LIBPCAP_INC+set}" = "set"; then
LDFLAGS="-L$libpcapdir $_ldflags"
CPPFLAGS="$CPPFLAGS -I$LIBPCAP_INC"
else
LDFLAGS="-L$libpcapdir $LDFLAGS"
CPPFLAGS="$CPPFLAGS -I$libpcapdir"
fi
PCAP_DEPENDS='$(LIBPCAPDIR)/libpcap.a'
PCAP_BUILD="build-pcap"
PCAP_CLEAN="clean-pcap"
PCAP_DIST_CLEAN="distclean-pcap"
fi
AC_SUBST(PCAP_DEPENDS)
AC_SUBST(PCAP_BUILD)
AC_SUBST(PCAP_CLEAN)
AC_SUBST(PCAP_DIST_CLEAN)
AC_SUBST(PCAP_LIBS)
# Needed on AIX.
AC_CHECK_LIB(odm, odm_initialize)
# Needed on AIX.
AC_CHECK_LIB(odm, odm_initialize)
AC_CHECK_LIB(cfg, _system_configuration)
LIBLUADIR=../liblua
have_lua=no
requested_included_lua=no
no_lua=no
# First we test whether they specified liblua explicitly
AC_ARG_WITH(liblua,
AC_HELP_STRING([--with-liblua=DIR], [Use an existing (compiled) lua lib from DIR/include and DIR/lib.])
AC_HELP_STRING([--with-liblua=included], [Use the liblua version included with Nmap])
AC_HELP_STRING([--without-liblua], [Compile without lua (this will exclude all of NSE from compilation)]),
[ case "$with_liblua" in
yes)
;;
included)
CPPFLAGS="-I\$(top_srcdir)/$LIBLUADIR $CPPFLAGS"
LIBLUA_LIBS="\$(top_srcdir)/$LIBLUADIR/liblua.a"
LUA_DEPENDS="\$(top_srcdir)/$LIBLUADIR/liblua.a"
LUA_BUILD="build-lua"
LUA_CLEAN="clean-lua"
LUA_DIST_CLEAN="distclean-lua"
have_lua="yes"
;;
no)
no_lua="yes"
;;
*)
CPPFLAGS="-I$with_liblua/include $CPPFLAGS"
LDFLAGS="-L$with_liblua/lib $LDFLAGS"
;;
esac]
)
LUA_CFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN"
AC_SUBST(LUA_CFLAGS)
# They don't want lua
if test "$no_lua" = "yes"; then
CPPFLAGS="-DNOLUA $CPPFLAGS"
LIBLUA_LIBS=""
LUA_DEPENDS=""
LUA_BUILD=""
LUA_CLEAN=""
LUA_DIST_CLEAN=""
INSTALLNSE=""
else
# If they didn't specify it, we try to find it
if test $have_lua != yes; then
AC_CHECK_HEADERS([lua5.3/lua.h lua/5.3/lua.h lua.h lua/lua.h],
AC_CHECK_LIB(lua5.3, lua_isyieldable, [have_lua=yes; LIBLUA_LIBS="-llua5.3"; CPPFLAGS="-I/usr/include/lua5.3 $CPPFLAGS"; break],, [-lm])
AC_CHECK_LIB(lua53, lua_isyieldable, [have_lua=yes; LIBLUA_LIBS="-llua53"; CPPFLAGS="-I/usr/include/lua53 $CPPFLAGS"; break],, [-lm])
AC_CHECK_LIB(lua, lua_isyieldable, [have_lua=yes; LIBLUA_LIBS="-llua"; CPPFLAGS="-I/usr/include/lua $CPPFLAGS"; break],, [-lm])
)
AC_LANG_PUSH(C++)
AC_MSG_CHECKING([for lua version >= 503])
AC_RUN_IFELSE([ AC_LANG_PROGRAM(
[[#include <lua.h>]],
[[if(LUA_VERSION_NUM < 503) return 1;]])],
have_lua=yes, have_lua=no, AC_MSG_RESULT(cross-compiling -- assuming yes); have_lua=yes)
AC_LANG_POP(C++)
LUA_DEPENDS=""
LUA_BUILD=""
LUA_CLEAN=""
LUA_DIST_CLEAN=""
fi
# if we didn't find we use our own
if test $have_lua != yes; then
AC_MSG_RESULT(no)
CPPFLAGS="-I\$(top_srcdir)/$LIBLUADIR $CPPFLAGS"
LIBLUA_LIBS="\$(top_srcdir)/$LIBLUADIR/liblua.a"
LUA_DEPENDS="\$(top_srcdir)/$LIBLUADIR/liblua.a"
LUA_BUILD="build-lua"
LUA_CLEAN="clean-lua"
LUA_DIST_CLEAN="distclean-lua"
AC_DEFINE(LUA_INCLUDED)
else
AC_MSG_RESULT(yes)
fi
INSTALLNSE="install-nse"
fi
AC_SUBST(LIBLUA_LIBS)
AC_SUBST(LIBLUADIR)
AC_SUBST(LUA_DEPENDS)
AC_SUBST(LUA_BUILD)
AC_SUBST(LUA_CLEAN)
AC_SUBST(LUA_DIST_CLEAN)
AC_CONFIG_FILES(Makefile)
AC_OUTPUT
# NCAT ASCII ART
if test -f docs/ncat-ascii-art.txt; then
cat docs/ncat-ascii-art.txt
fi
echo "Configuration complete."
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