iptables-1.4.6-imq.diff

diff -Naurw /dev/null extensions/libxt_IMQ.c
--- /dev/null			1969-12-31 21:00:00.000000000 -0300
+++ extensions/libxt_IMQ.c	2008-06-24 22:31:02.000000000 -0300
@@ -0,0 +1,103 @@
+/* Shared library add-on to iptables to add IMQ target support. */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <xtables.h>
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter/xt_IMQ.h>
+
+/* Function which prints out usage message. */
+static void IMQ_help(void)
+{
+	printf(
+"IMQ target options:\n"
+"  --todev <N>		enqueue to imq<N>, defaults to 0\n");
+
+}
+
+static struct option IMQ_opts[] = {
+	{ "todev", 1, 0, '1' },
+	{ 0 }
+};
+
+/* Initialize the target. */
+static void IMQ_init(struct xt_entry_target *t)
+{
+	struct xt_imq_info *mr = (struct xt_imq_info*)t->data;
+
+	mr->todev = 0;
+}
+
+/* Function which parses command options; returns true if it
+   ate an option */
+static int IMQ_parse(int c, char **argv, int invert, unsigned int *flags,
+      const void *entry, struct xt_entry_target **target)
+{
+	struct xt_imq_info *mr = (struct xt_imq_info*)(*target)->data;
+	
+	switch(c) {
+	case '1':
+		if (xtables_check_inverse(optarg, &invert, NULL, 0, argv))
+			xtables_error(PARAMETER_PROBLEM,
+				   "Unexpected `!' after --todev");
+		mr->todev=atoi(optarg);
+		break;
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+/* Prints out the targinfo. */
+static void IMQ_print(const void *ip,
+      const struct xt_entry_target *target,
+      int numeric)
+{
+	struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
+
+	printf("IMQ: todev %u ", mr->todev);
+}
+
+/* Saves the union ipt_targinfo in parsable form to stdout. */
+static void IMQ_save(const void *ip, const struct xt_entry_target *target)
+{
+	struct xt_imq_info *mr = (struct xt_imq_info*)target->data;
+
+	printf("--todev %u", mr->todev);
+}
+
+static struct xtables_target imq_target = {
+	.name		= "IMQ",
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_IPV4,
+	.size		= XT_ALIGN(sizeof(struct xt_imq_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct xt_imq_info)),
+	.help		= IMQ_help,
+	.init		= IMQ_init,
+	.parse		= IMQ_parse,
+	.print		= IMQ_print,
+	.save		= IMQ_save,
+	.extra_opts	= IMQ_opts,
+};
+
+static struct xtables_target imq_target6 = {
+	.name		= "IMQ",
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_IPV6,
+	.size		= XT_ALIGN(sizeof(struct xt_imq_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct xt_imq_info)),
+	.help		= IMQ_help,
+	.init		= IMQ_init,
+	.parse		= IMQ_parse,
+	.print		= IMQ_print,
+	.save		= IMQ_save,
+	.extra_opts	= IMQ_opts,
+};
+
+// void __attribute((constructor)) nf_ext_init(void){
+void _init(void){
+	xtables_register_target(&imq_target);
+	xtables_register_target(&imq_target6);
+}
diff -Naurw /dev/null extensions/libxt_IMQ.c
--- /dev/null				1970-01-01 02:00:00.000000000 +0200
+++ include/linux/netfilter/xt_IMQ.h	2008-08-05 00:41:28.000000000 +0300
@@ -0,0 +1,9 @@
+#ifndef _XT_IMQ_H
+#define _XT_IMQ_H
+
+struct xt_imq_info {
+	unsigned int todev;     /* target imq device */
+};
+
+#endif /* _XT_IMQ_H */
+