From 78b7c73eab3b7597e37ce581981fd1b02d7c98f1 Mon Sep 17 00:00:00 2001
From: denis <>
Date: Wed, 6 Jun 2007 16:45:48 +0000
Subject: check for mafic udp id

---
 opentracker.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/opentracker.c b/opentracker.c
index ecc2c9c..36fa989 100644
--- a/opentracker.c
+++ b/opentracker.c
@@ -614,6 +614,10 @@ static void handle_udp4( int64 serversocket ) {
   if( r < 16 )
     return;
 
+  /* look for udp bittorrent magic id */
+  if( (ntohl(inpacket[0]) != 0x00000417) || (ntohl(inpacket[1]) != 0x27101980) )
+    return;
+
   switch( ntohl( inpacket[2] ) ) {
     case 0: /* This is a connect action */
       outpacket[0] = 0;           outpacket[1] = inpacket[3];
-- 
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