openwrt-xburst/package/iptables/patches/005-imq1.patch

Index: iptables-1.3.8/extensions/.IMQ-test6
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ iptables-1.3.8/extensions/.IMQ-test6	2007-07-31 15:27:56.000000000 -0500
@@ -0,0 +1,3 @@
+#!/bin/sh
+# True if IMQ target patch is applied.
+[ -f $KERNEL_DIR/net/ipv6/netfilter/ip6t_IMQ.c ] && echo IMQ
Index: iptables-1.3.8/extensions/libip6t_IMQ.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ iptables-1.3.8/extensions/libip6t_IMQ.c	2007-07-31 15:27:56.000000000 -0500
@@ -0,0 +1,101 @@
+/* Shared library add-on to iptables to add IMQ target support. */
+#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_ipv6/ip6t_IMQ.h>
+
+/* Function which prints out usage message. */
+static void
+help(void)
+{
+	printf(
+"IMQ target v%s options:\n"
+"  --todev <N>		enqueue to imq<N>, defaults to 0\n", 
+IPTABLES_VERSION);
+}
+
+static struct option opts[] = {
+	{ "todev", 1, 0, '1' },
+	{ 0 }
+};
+
+/* Initialize the target. */
+static void
+init(struct ip6t_entry_target *t, unsigned int *nfcache)
+{
+	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)t->data;
+
+	mr->todev = 0;
+	*nfcache |= NFC_UNKNOWN;
+}
+
+/* Function which parses command options; returns true if it
+   ate an option */
+static int
+parse(int c, char **argv, int invert, unsigned int *flags,
+      const struct ip6t_entry *entry,
+      struct ip6t_entry_target **target)
+{
+	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)(*target)->data;
+	
+	switch(c) {
+	case '1':
+		if (check_inverse(optarg, &invert, NULL, 0))
+			exit_error(PARAMETER_PROBLEM,
+				   "Unexpected `!' after --todev");
+		mr->todev=atoi(optarg);
+		break;
+	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)
+{
+	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data;
+
+	printf("IMQ: todev %u ", mr->todev);
+}
+
+/* Saves the union ipt_targinfo in parsable form to stdout. */
+static void
+save(const struct ip6t_ip6 *ip, const struct ip6t_entry_target *target)
+{
+	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data;
+
+	printf("--todev %u", mr->todev);
+}
+
+static struct ip6tables_target imq = {
+	.next		= NULL,
+	.name		= "IMQ",
+	.version	= IPTABLES_VERSION,
+	.size		= IP6T_ALIGN(sizeof(struct ip6t_imq_info)),
+	.userspacesize	= IP6T_ALIGN(sizeof(struct ip6t_imq_info)),
+	.help		= &help,
+	.init		= &init,
+	.parse		= &parse,
+	.final_check	= &final_check,
+	.print		= &print,
+	.save		= &save,
+	.extra_opts	= opts
+};
+
+static __attribute__((constructor)) void _init(void)
+{
+	register_target6(&imq);
+}
Index: iptables-1.3.8/extensions/.IMQ-test
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ iptables-1.3.8/extensions/.IMQ-test	2007-07-31 15:27:56.000000000 -0500
@@ -0,0 +1,3 @@
+#!/bin/sh
+# True if IMQ target patch is applied.
+[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_IMQ.c ] && echo IMQ
Index: iptables-1.3.8/extensions/libipt_IMQ.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ iptables-1.3.8/extensions/libipt_IMQ.c	2007-07-31 15:27:56.000000000 -0500
@@ -0,0 +1,101 @@
+/* Shared library add-on to iptables to add IMQ target support. */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+#include <iptables.h>
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_IMQ.h>
+
+/* Function which prints out usage message. */
+static void
+help(void)
+{
+	printf(
+"IMQ target v%s options:\n"
+"  --todev <N>		enqueue to imq<N>, defaults to 0\n", 
+IPTABLES_VERSION);
+}
+
+static struct option opts[] = {
+	{ "todev", 1, 0, '1' },
+	{ 0 }
+};
+
+/* Initialize the target. */
+static void
+init(struct ipt_entry_target *t, unsigned int *nfcache)
+{
+	struct ipt_imq_info *mr = (struct ipt_imq_info*)t->data;
+
+	mr->todev = 0;
+	*nfcache |= NFC_UNKNOWN;
+}
+
+/* Function which parses command options; returns true if it
+   ate an option */
+static int
+parse(int c, char **argv, int invert, unsigned int *flags,
+      const struct ipt_entry *entry,
+      struct ipt_entry_target **target)
+{
+	struct ipt_imq_info *mr = (struct ipt_imq_info*)(*target)->data;
+	
+	switch(c) {
+	case '1':
+		if (check_inverse(optarg, &invert, NULL, 0))
+			exit_error(PARAMETER_PROBLEM,
+				   "Unexpected `!' after --todev");
+		mr->todev=atoi(optarg);
+		break;
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+static void
+final_check(unsigned int flags)
+{
+}
+
+/* Prints out the targinfo. */
+static void
+print(const struct ipt_ip *ip,
+      const struct ipt_entry_target *target,
+      int numeric)
+{
+	struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data;
+
+	printf("IMQ: todev %u ", mr->todev);
+}
+
+/* Saves the union ipt_targinfo in parsable form to stdout. */
+static void
+save(const struct ipt_ip *ip, const struct ipt_entry_target *target)
+{
+	struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data;
+
+	printf("--todev %u", mr->todev);
+}
+
+static struct iptables_target imq = {
+	.next		= NULL,
+	.name		= "IMQ",
+	.version	= IPTABLES_VERSION,
+	.size		= IPT_ALIGN(sizeof(struct ipt_imq_info)),
+	.userspacesize	= IPT_ALIGN(sizeof(struct ipt_imq_info)),
+	.help		= &help,
+	.init		= &init,
+	.parse		= &parse,
+	.final_check	= &final_check,
+	.print		= &print,
+	.save		= &save,
+	.extra_opts	= opts
+};
+
+static __attribute__((constructor)) void _init(void)
+{
+	register_target(&imq);
+}