X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=gosa-core%2Finclude%2Fclass_session.inc;h=4a98ad2dc6aa31bd2c67c050b05b3558ea58e707;hb=888516587f0cda06601ab943d2851bfaf5b23578;hp=e4c8659551a02b9d85568b52980b0f4922ecd424;hpb=1eed251831965efc25a294851f623f80492e93e0;p=gosa.git

diff --git a/gosa-core/include/class_session.inc b/gosa-core/include/class_session.inc
index e4c865955..4a98ad2dc 100644
--- a/gosa-core/include/class_session.inc
+++ b/gosa-core/include/class_session.inc
@@ -1,24 +1,25 @@
 <?php
 /*
-   This code is part of GOsa (https://oss.gonicus.de/labs/gosa/)
-   Copyright (C) 2007 Fabian Hickert
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * This code is part of GOsa (http://www.gosa-project.org)
+ * Copyright (C) 2003-2008 GONICUS GmbH
+ *
+ * ID: $$Id$$
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-
 class session {
 
 	public static function get_session_size()
@@ -41,7 +42,7 @@ class session {
 		$_SESSION[$name] = $value;
 	}
 
-	public static function get($name)
+	public static function &get($name)
 	{
 		$ret = &$_SESSION[$name];
 		return($ret);
@@ -72,11 +73,28 @@ class session {
 		   the php.ini, so if you use debian, you must hardcode session.gc_maxlifetime in your php.ini */
 		ini_set("session.gc_maxlifetime",24*60*60);
 		session_start();
+
+    /* Check for changed browsers and bail out */
+    if (isset($_SESSION['HTTP_USER_AGENT']))
+    {
+      if ($_SESSION['HTTP_USER_AGENT'] !=  md5($_SERVER['HTTP_USER_AGENT'])) {
+        session_destroy();
+        session_start();
+      }
+    } else {
+      $_SESSION['HTTP_USER_AGENT'] = md5($_SERVER['HTTP_USER_AGENT']);
+    }
+
+    /* Regenerate ID to increase security */
+    if (!isset($_SESSION['started'])){
+      session_regenerate_id();
+      $_SESSION['started'] = true;
+    }
 	}
 
 	public static function destroy()
 	{
-		session_destroy();
+		@session_destroy();
 	}
 
 	public static function set_lifetime($seconds = -1)
@@ -86,7 +104,8 @@ class session {
 
 	public static function &get_all()
 	{
-		return($_SESSION);
+		$ret = &$_SESSION;
+		return($ret);
 	}
 }