From 3ac8e5f54f96a53ecb162addd94bd7674ef93b36 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Sun, 13 Nov 2016 15:11:59 +0000
Subject: [PATCH] UPnP: Prevent exception on bad HTTP header (ticket #1480)

---
 router/java/src/org/cybergarage/http/HTTPHeader.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/router/java/src/org/cybergarage/http/HTTPHeader.java b/router/java/src/org/cybergarage/http/HTTPHeader.java
index 9f3849b0a..cfb1082d2 100644
--- a/router/java/src/org/cybergarage/http/HTTPHeader.java
+++ b/router/java/src/org/cybergarage/http/HTTPHeader.java
@@ -116,6 +116,9 @@ public class HTTPHeader
 
 	public final static String getValue(String data, String name)
 	{
+		// I2P #1480 avoid IAE
+		if (data.length() <= 0)
+			return "";
 		/* Thanks for Stephan Mehlhase (2010-10-26) */
 		StringReader strReader = new StringReader(data);
 		LineNumberReader lineReader = new LineNumberReader(strReader, Math.min(data.length(), MAX_LENGTH));