1 files changed, 113 insertions, 0 deletions
diff --git a/extensions/libip6t_NFQUEUE.c b/extensions/libip6t_NFQUEUE.c
new file mode 100644
index 00000000..13e2afcd
--- /dev/null
+++ b/extensions/libip6t_NFQUEUE.c
@@ -0,0 +1,113 @@
+/* Shared library add-on to ip666666tables for NFQ
+ *
+ * (C) 2005 by Harald Welte <laforge@netfilter.org>
+ *
+ * This program is distributed under the terms of GNU GPL v2, 1991
+ *
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <ip6tables.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+#include <linux/netfilter_ipv4/ipt_NFQUEUE.h>
+
+static void init(struct ip6t_entry_target *t, unsigned int *nfcache) 
+{
+}
+
+static void help(void) 
+{
+	printf(
+"NFQUEUE target options\n"
+"  --queue-num value		Send packet to QUEUE number <value>.\n"
+"  		                Valid queue numbers are 0-65535\n"
+);
+}
+
+static struct option opts[] = {
+	{ "queue-num", 1, 0, 'F' },
+	{ 0 }
+};
+
+static void
+parse_num(const char *s, struct ipt_NFQ_info *tinfo)
+{
+	unsigned int num;
+       
+	if (string_to_number(s, 0, 65535, &num) == -1)
+		exit_error(PARAMETER_PROBLEM,
+			   "Invalid queue number `%s'\n", s);
+
+    	tinfo->queuenum = num & 0xffff;
+    	return;
+}
+
+static int
+parse(int c, char **argv, int invert, unsigned int *flags,
+      const struct ip6t_entry *entry,
+      struct ip6t_entry_target **target)
+{
+	struct ipt_NFQ_info *tinfo
+		= (struct ipt_NFQ_info *)(*target)->data;
+
+	switch (c) {
+	case 'F':
+		if (*flags)
+			exit_error(PARAMETER_PROBLEM, "NFQUEUE target: "
+				   "Only use --queue-num ONCE!");
+		parse_num(optarg, tinfo);
+	default:
+		return 0;
+	}
+
+	return 1;
+}
+
+static void
+final_check(unsigned int flags)
+{
+}
+
+/* Prints out the targinfo. */
+static void
+print(const struct ip6t_ip6 *ip,
+      const struct ip6t_entry_target *target,
+      int numeric)
+{
+	const struct ipt_NFQ_info *tinfo =
+		(const struct ipt_NFQ_info *)target->data;
+	printf("NFQUEUE num %u", tinfo->queuenum);
+}
+
+/* Saves the union ip6t_targinfo in parsable form to stdout. */
+static void
+save(const struct ip6t_ip6 *ip, const struct ip6t_entry_target *target)
+{
+	const struct ipt_NFQ_info *tinfo =
+		(const struct ipt_NFQ_info *)target->data;
+
+	printf("--queue-num %u ", tinfo->queuenum);
+}
+
+static struct ip6tables_target nfqueue = { 
+	.next		= NULL,
+	.name		= "NFQUEUE",
+	.version	= IPTABLES_VERSION,
+	.size		= IP6T_ALIGN(sizeof(struct ipt_NFQ_info)),
+	.userspacesize	= IP6T_ALIGN(sizeof(struct ipt_NFQ_info)),
+	.help		= &help,
+	.init		= &init,
+	.parse		= &parse,
+	.final_check	= &final_check,
+	.print		= &print,
+	.save		= &save,
+	.extra_opts	= opts
+};
+
+void _init(void)
+{
+	register_target6(&nfqueue);
+}