Initial commit.

Populate the iptables-addons repository with two modules, xt_TARPIT
and xt_TEE, as a starting point.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>

configure.ac

@@ -0,0 +1,62 @@
+
+AC_INIT([iptables-addons], [1.4.1])
+AC_CONFIG_HEADERS([config.h])
+AC_PROG_INSTALL
+AM_INIT_AUTOMAKE
+AC_PROG_CC
+AM_PROG_CC_C_O
+AC_DISABLE_STATIC
+AC_PROG_LIBTOOL
+
+kbuilddir="/lib/modules/$(uname -r)/build";
+ksourcedir="/lib/modules/$(uname -r)/source";
+AC_ARG_WITH([kbuild],
+	AS_HELP_STRING([--with-kbuild=PATH],
+	[Path to kernel build directory [[/lib/modules/CURRENT/build]]]),
+	[kbuilddir="$withval"])
+AC_ARG_WITH([ksource],
+	AS_HELP_STRING([--with-ksource=PATH],
+	[Path to kernel source directory [[/lib/modules/CURRENT/source]]]),
+	[ksourcedir="$withval"])
+AC_ARG_WITH([iptables],
+	AS_HELP_STRING([--with-iptables=PATH],
+	[Path to the iptables includes [[PREFIX/include]]]),
+	[iptables_location="$withval"])
+AC_ARG_WITH([iptdir],
+	AS_HELP_STRING([--with-iptdir=PATH],
+	[Path to iptables modules [[LIBEXECDIR/iptables]]]),
+	[iptdir="$withval"],
+	[iptdir='${libexecdir}/iptables'])
+
+AC_CHECK_HEADER([netinet/ip6.h], [], [AC_MSG_ERROR(but we need that for IPv6)])
+
+AC_MSG_CHECKING([xtables.h presence])
+if [[ -n "$iptables_location" ]]; then
+	if [[ -f "$iptables_location/xtables.h" ]]; then
+		AC_MSG_RESULT([$iptables_location/xtables.h])
+		iptables_CFLAGS="-I$iptables_location";
+	elif [[ -f "$iptables_location/include/xtables.h" ]]; then
+		AC_MSG_RESULT([$iptables_location/include/xtables.h])
+		iptables_CFLAGS="-I$iptables_location/include";
+	fi;
+fi;
+if [[ -z "$iptables_CFLAGS" ]]; then
+	if [[ -f "$includedir/xtables.h" ]]; then
+		AC_MSG_RESULT([$includedir/xtables.h])
+	else
+		AC_MSG_RESULT([no])
+	fi;
+fi;
+
+regular_CFLAGS="-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 \
+	-D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations \
+	-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
+	-Winline -pipe -DIPTABLES_VERSION=\\\"$PACKAGE_VERSION\\\" \
+	-DIPT_LIB_DIR=\\\"\${iptdir}\\\" -DIP6T_LIB_DIR=\\\"\${iptdir}\\\"";
+kinclude_CFLAGS="-I\"$kbuilddir/include\" -I\"$ksourcedir/include\"";
+
+AC_SUBST([regular_CFLAGS iptables_CFLAGS kinclude_CFLAGS])
+AC_SUBST([kbuilddir])
+AC_SUBST([ksourcedir])
+AC_SUBST([iptdir])
+AC_OUTPUT([Makefile extensions/Makefile])