From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 3 Jan 2015 13:58:15 +0100
Subject: patch to Vanilla Tomato 1.28

---
 .../src/linux/linux/net/ipv4/netfilter/ipt_exp.c   | 57 ++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 release/src/linux/linux/net/ipv4/netfilter/ipt_exp.c

(limited to 'release/src/linux/linux/net/ipv4/netfilter/ipt_exp.c')

diff --git a/release/src/linux/linux/net/ipv4/netfilter/ipt_exp.c b/release/src/linux/linux/net/ipv4/netfilter/ipt_exp.c
new file mode 100644
index 00000000..1b682b9c
--- /dev/null
+++ b/release/src/linux/linux/net/ipv4/netfilter/ipt_exp.c
@@ -0,0 +1,57 @@
+/*
+
+	Experimental Netfilter Crap
+	Copyright (C) 2006 Jonathan Zarate
+
+*/
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/file.h>
+#include <net/sock.h>
+
+#include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/netfilter_ipv4/ipt_exp.h>
+#include "../../bridge/br_private.h"
+
+
+static int match(const struct sk_buff *skb,	const struct net_device *in, const struct net_device *out,
+				 const void *matchinfo, int offset, const void *hdr, u_int16_t datalen, int *hotdrop)
+{
+//	const struct ipt_exp_info *info = matchinfo;
+
+	if ((skb->mac.raw >= skb->head) && ((skb->mac.raw + ETH_HLEN) <= skb->data)) {
+		printk(KERN_INFO "exp src=%02X:%02X:%02X:%02X:%02X:%02X dst=%02X:%02X:%02X:%02X:%02X:%02X\n", 
+			skb->mac.ethernet->h_source[0], skb->mac.ethernet->h_source[1], skb->mac.ethernet->h_source[2], 
+			skb->mac.ethernet->h_source[3], skb->mac.ethernet->h_source[4], skb->mac.ethernet->h_source[5], 
+			skb->mac.ethernet->h_dest[0], skb->mac.ethernet->h_dest[1], skb->mac.ethernet->h_dest[2], 
+			skb->mac.ethernet->h_dest[3], skb->mac.ethernet->h_dest[4], skb->mac.ethernet->h_dest[5]);
+		return 1;
+	}
+	printk(KERN_INFO "exp mac=%p head=%p in=%p\n", skb->mac.raw, skb->head, in);
+	return 0;
+}
+
+static int checkentry(const char *tablename, const struct ipt_ip *ip, void *matchinfo,
+					  unsigned int matchsize, unsigned int hook_mask)
+{
+	return (matchsize == IPT_ALIGN(sizeof(struct ipt_exp_info)));
+}
+
+static struct ipt_match exp_match
+	= { { NULL, NULL }, "exp", &match, &checkentry, NULL, THIS_MODULE };
+
+static int __init init(void)
+{
+	printk(KERN_INFO "exp init " __DATE__ " " __TIME__ "\n");
+	return ipt_register_match(&exp_match);
+}
+
+static void __exit fini(void)
+{
+	printk(KERN_INFO "exp fini\n");
+	ipt_unregister_match(&exp_match);
+}
+
+module_init(init);
+module_exit(fini);
+MODULE_LICENSE("GPL");
-- 
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