Add new (iptables 1.4.5 compatible) tc/ipt/xt module.

Add a new cleaned up m_xt.c based on m_xt_old.c
The new m_xt.c has been updated to use the new names and new api
that xtables exposes in iptables 1.4.5.
All the old internal api cruft has also been dropped.

Additionally, a configure script test is added to check for
the new xtables api and set the TC_CONFIG_XT flag in Config.
(tc/Makefile already handles this flag in previous commit.)

Signed-off-by: Andreas Henriksson <andreas@fatal.se>

1 files changed, 27 insertions, 0 deletions

diff --git a/configure b/configure
index f3b79b25..4fda7cba 100755
--- a/configure
+++ b/configure
@@ -28,6 +28,33 @@ rm -f /tmp/atmtest.c /tmp/atmtest
 
 echo -n " IPT	"
 
+#check if we have xtables from iptables >= 1.4.5.
+cat >/tmp/ipttest.c <<EOF
+#include <xtables.h>
+#include <linux/netfilter.h>
+static struct xtables_globals test_globals = {
+	.option_offset = 0,
+	.program_name = "tc-ipt",
+	.program_version = XTABLES_VERSION,
+	.orig_opts = NULL,
+	.opts = NULL,
+	.exit_err = NULL,
+};
+
+int main(int argc, char **argv)
+{
+	xtables_init_all(&test_globals, NFPROTO_IPV4);
+	return 0;
+}
+
+EOF
+
+if gcc -I$INCLUDE $IPTC -o /tmp/ipttest /tmp/ipttest.c $IPTL -ldl -lxtables >/dev/null 2>&1
+then
+	echo "TC_CONFIG_XT:=y" >>Config
+	echo "using xtables instead of iptables"
+fi
+
 #check if we need dont our internal header ..
 cat >/tmp/ipttest.c <<EOF
 #include <xtables.h>