From 79ac01fb0c33fc318b6a2d5a56fbfaeca7ad1043 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Mon, 22 Sep 2008 02:11:40 +0000
Subject: Prevent scripts from running under multiple engines at once

---
 .../ScriptEngine/Common/ScriptEngineBase/EventManager.cs     | 12 ++++++++----
 OpenSim/Region/ScriptEngine/XEngine/XEngine.cs               | 12 ++++++++----
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventManager.cs b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventManager.cs
index 9999d9c..04fe4cd 100644
--- a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventManager.cs
+++ b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventManager.cs
@@ -194,12 +194,16 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
 
         public void OnRezScript(uint localID, UUID itemID, string script, int startParam, bool postOnRez, string engine)
         {
-            if (script.Length > 15)
+            int lineEnd = script.IndexOf('\n');
+
+            if (lineEnd != 1)
             {
-                if (script.Substring(0, 15) == "//DotNetEngine:")
+                string firstline = script.Substring(0, lineEnd).Trim();
+
+                int colon = firstline.IndexOf(':');
+                if (firstline.Length > 2 && firstline.Substring(0, 2) == "//" && colon != -1)
                 {
-                    script = "//" + script.Substring(15);
-                    engine = "DotNetEngine";
+                    engine = firstline.Substring(2, colon-2);
                 }
             }
 
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 161fd8c..934a1b9 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -341,12 +341,16 @@ namespace OpenSim.Region.ScriptEngine.XEngine
 
         public void OnRezScript(uint localID, UUID itemID, string script, int startParam, bool postOnRez, string engine)
         {
-            if (script.Length > 10)
+            int lineEnd = script.IndexOf('\n');
+
+            if (lineEnd != 1)
             {
-                if (script.Substring(0, 10) == "//XEngine:")
+                string firstline = script.Substring(0, lineEnd).Trim();
+
+                int colon = firstline.IndexOf(':');
+                if (firstline.Length > 2 && firstline.Substring(0, 2) == "//" && colon != -1)
                 {
-                    script = "//" + script.Substring(10);
-                    engine = "XEngine";
+                    engine = firstline.Substring(2, colon-2);
                 }
             }
 
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