From 55c72617c6a582f25f3769872ad09d0494049a5f Mon Sep 17 00:00:00 2001
From: Bernhard Posselt <nukeawhale@gmail.com>
Date: Mon, 25 Feb 2013 18:37:05 +0100
Subject: [PATCH] set http 500 when session could not be started to prevent
 serving of empty files see #1049

---
 lib/base.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/base.php b/lib/base.php
index b5439c00ab..16aa7bff30 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -320,8 +320,11 @@ class OC {
 		// set the session name to the instance id - which is unique
 		session_name(OC_Util::getInstanceId());
 
-		// (re)-initialize session
-		session_start();
+		// if session cant be started break with http 500 error
+		if (session_start() === false){
+			header('HTTP/1.1 500 Internal Server Error');
+			exit(1);
+		}
 
 		// regenerate session id periodically to avoid session fixation
 		if (!isset($_SESSION['SID_CREATED'])) {