From d891e9e5bc309d5aeb2ab774c76b34a92085b3e7 Mon Sep 17 00:00:00 2001
From: Bart De Schuymer <bdschuym@pandora.be>
Date: Sat, 1 Jun 2002 19:23:47 +0000
Subject: Initial revision

---
 kernel/linux/net/bridge/netfilter/ebt_redirect.c | 65 ++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 kernel/linux/net/bridge/netfilter/ebt_redirect.c

(limited to 'kernel/linux/net/bridge/netfilter/ebt_redirect.c')

diff --git a/kernel/linux/net/bridge/netfilter/ebt_redirect.c b/kernel/linux/net/bridge/netfilter/ebt_redirect.c
new file mode 100644
index 0000000..c26d57b
--- /dev/null
+++ b/kernel/linux/net/bridge/netfilter/ebt_redirect.c
@@ -0,0 +1,65 @@
+/*
+ *  ebt_redirect
+ *
+ *	Authors:
+ *	Bart De Schuymer <bart.de.schuymer@pandora.be>
+ *
+ *  April, 2002
+ *
+ */
+
+#include <linux/netfilter_bridge/ebtables.h>
+#include <linux/netfilter_bridge/ebt_redirect.h>
+#include <linux/netfilter_bridge.h>
+#include <linux/skbuff.h>
+#include <linux/module.h>
+#include <net/sock.h>
+#include "../br_private.h"
+
+static __u8 ebt_target_redirect(struct sk_buff **pskb, unsigned int hooknr,
+   const struct net_device *in, const struct net_device *out,
+   const void *data, unsigned int datalen)
+{
+	struct ebt_redirect_info *infostuff = (struct ebt_redirect_info *) data;
+
+	memcpy((**pskb).mac.ethernet->h_dest,
+	   in->br_port->br->dev.dev_addr, ETH_ALEN);
+	(*pskb)->pkt_type = PACKET_HOST;
+	return infostuff->target;
+}
+
+static int ebt_target_redirect_check(const char *tablename, unsigned int hooknr,
+   const struct ebt_entry *e, void *data, unsigned int datalen)
+{
+	struct ebt_redirect_info *infostuff = (struct ebt_redirect_info *) data;
+
+	if ( (strcmp(tablename, "nat") || hooknr != NF_BR_PRE_ROUTING) &&
+	     (strcmp(tablename, "broute") || hooknr != NF_BR_BROUTING) )
+		return -EINVAL;
+	if (datalen != sizeof(struct ebt_redirect_info))
+		return -EINVAL;
+	if (infostuff->target >= NUM_STANDARD_TARGETS)
+		return -EINVAL;
+	return 0;
+}
+
+static struct ebt_target redirect_target =
+{
+	{NULL, NULL}, EBT_REDIRECT_TARGET, ebt_target_redirect,
+	ebt_target_redirect_check, NULL, THIS_MODULE
+};
+
+static int __init init(void)
+{
+	return ebt_register_target(&redirect_target);
+}
+
+static void __exit fini(void)
+{
+	ebt_unregister_target(&redirect_target);
+}
+
+module_init(init);
+module_exit(fini);
+EXPORT_NO_SYMBOLS;
+MODULE_LICENSE("GPL");
-- 
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