From fa056f590e83f44962443599c56bb503dd35abb9 Mon Sep 17 00:00:00 2001
From: Justin Maggard <jmaggard@netgear.com>
Date: Tue, 15 Mar 2011 02:20:58 +0000
Subject: [PATCH] * Ignore SSDP M-SEARCH packets from interfaces not in our
 list.

---
 minissdp.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/minissdp.c b/minissdp.c
index 94a5546..72cc201 100644
--- a/minissdp.c
+++ b/minissdp.c
@@ -421,10 +421,6 @@ ProcessSSDPRequest(int s, unsigned short port)
 		}
 		else if( st && (st_len > 0) )
 		{
-			DPRINTF(E_INFO, L_SSDP, "SSDP M-SEARCH from %s:%d ST: %.*s, MX: %.*s, MAN: %.*s\n",
-	        	   inet_ntoa(sendername.sin_addr),
-	           	   ntohs(sendername.sin_port),
-			   st_len, st, mx_len, mx, man_len, man);
 			/* find in which sub network the client is */
 			for(i = 0; i<n_lan_addr; i++)
 			{
@@ -435,6 +431,16 @@ ProcessSSDPRequest(int s, unsigned short port)
 					break;
 				}
 			}
+			if( i == n_lan_addr )
+			{
+				DPRINTF(E_DEBUG, L_SSDP, "Ignoring SSDP M-SEARCH on other interface [%s]\n",
+					inet_ntoa(sendername.sin_addr));
+				return;
+			}
+			DPRINTF(E_INFO, L_SSDP, "SSDP M-SEARCH from %s:%d ST: %.*s, MX: %.*s, MAN: %.*s\n",
+	        	   inet_ntoa(sendername.sin_addr),
+	           	   ntohs(sendername.sin_port),
+			   st_len, st, mx_len, mx, man_len, man);
 			/* Responds to request with a device as ST header */
 			for(i = 0; known_service_types[i]; i++)
 			{