From 46162e620aa3e5abcab171f56b84d5fc81d454ac Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Thu, 23 Apr 2020 22:28:27 +0100
Subject: [PATCH] change response content lengh when using rawbuffer

---
 .../Servers/HttpServer/OSHttpServer/HttpResponse.cs   | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs
index 1b0a188847..a291981a36 100644
--- a/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs
+++ b/OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpResponse.cs
@@ -298,18 +298,25 @@ namespace OSHttpServer
                     m_context.TimeoutKeepAlive = m_keepAlive * 1000;
             }
 
-            m_headerBytes = GetHeaders();
             if (RawBuffer != null)
             {
-                if (RawBufferStart < 0 || RawBufferStart > RawBuffer.Length)
+                if (RawBufferStart > RawBuffer.Length)
                     return;
 
+                if (RawBufferStart < 0)
+                    RawBufferStart = 0;
+
                 if (RawBufferLen < 0)
                     RawBufferLen = RawBuffer.Length;
 
                 if (RawBufferLen + RawBufferStart > RawBuffer.Length)
                     RawBufferLen = RawBuffer.Length - RawBufferStart;
+            }
 
+            m_headerBytes = GetHeaders();
+
+            if (RawBuffer != null)
+            {
                 int tlen = m_headerBytes.Length + RawBufferLen;
                 if(RawBufferLen > 0 && tlen < 16384)
                 {