From 64b8f90120b3f07c59ef85468ee46bd2cb3ec7eb Mon Sep 17 00:00:00 2001
From: csoler <retroshare.project@gmail.com>
Date: Tue, 22 Feb 2011 19:38:53 +0000
Subject: [PATCH] added a check to make the code robust to structural errors in
 bd messages

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4048 b45a01b8-16f6-495d-af2f-9b41ad6348cc
---
 libbitdht/src/bitdht/bdmsgs.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libbitdht/src/bitdht/bdmsgs.cc b/libbitdht/src/bitdht/bdmsgs.cc
index ad500bda2..daccc95da 100644
--- a/libbitdht/src/bitdht/bdmsgs.cc
+++ b/libbitdht/src/bitdht/bdmsgs.cc
@@ -24,6 +24,7 @@
  */
 
 #include <stdio.h>
+#include <assert.h>
 #include <string.h>
 #include "bitdht/bencode.h"
 #include "bitdht/bdmsgs.h"
@@ -646,6 +647,10 @@ int beMsgGetToken(be_node *n, bdToken &token)
 		return 0;
 	}
         int len = be_str_len(n);
+
+	if(len > BITDHT_TOKEN_MAX_LEN)
+		return 0 ;
+
 	for(int i = 0; i < len; i++)
 	{
 		token.data[i] = n->val.s[i];