--- /dev/null
+/* Shared library add-on to iptables for unclean. */
+#include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <iptables.h>
+
+/* Function which prints out usage message. */
+static void unclean_help(void)
+{
+ printf("unclean match takes no options\n");
+}
+
+/* Function which parses command options; returns true if it
+ ate an option */
+static int unclean_parse(int c, char **argv, int invert, unsigned int *flags,
+ const void *entry, struct xt_entry_match **match)
+{
+ return 0;
+}
+
+static struct xtables_match unclean_mt_reg = {
+ .name = "unclean",
+ .version = XTABLES_VERSION,
+ .family = PF_INET,
+ .size = XT_ALIGN(0),
+ .userspacesize = XT_ALIGN(0),
+ .help = unclean_help,
+ .parse = unclean_parse,
+};
+
+void _init(void)
+{
+ xtables_register_match(&unclean_mt_reg);
+}