patch-1.3.86 linux/net/ipv4/ip_input.c

• Lines: 16
• Date: Tue Apr 9 14:36:31 1996
• Orig file: v1.3.85/linux/net/ipv4/ip_input.c
• Orig date: Mon Apr 8 19:01:47 1996

diff -u --recursive --new-file v1.3.85/linux/net/ipv4/ip_input.c linux/net/ipv4/ip_input.c
@@ -447,6 +447,15 @@
 				return 0;
 			skb->dev = dev;
 			iph=skb->h.iph;
+#ifdef CONFIG_IP_MASQUERADE
+			if (ip_fw_demasquerade(&skb,dev))
+			{
+				struct iphdr *iph=skb->h.iph;
+				if (ip_forward(skb, dev, IPFWD_MASQUERADED, iph->daddr))
+					kfree_skb(skb, FREE_WRITE);
+				return 0;
+			}
+#endif
 		}
 
 		/*