diff --git a/public_html/includes/class/class.LSattr_ldap_shadowExpire.php b/public_html/includes/class/class.LSattr_ldap_shadowExpire.php
new file mode 100644
index 00000000..4bf2fe8f
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+++ b/public_html/includes/class/class.LSattr_ldap_shadowExpire.php
@@ -0,0 +1,62 @@
+<?php
+/*******************************************************************************
+ * Copyright (C) 2007 Easter-eggs
+ * http://ldapsaisie.labs.libre-entreprise.org
+ *
+ * Author: See AUTHORS file in top-level directory.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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.
+
+******************************************************************************/
+
+/**
+ * LDAP Attribute shadowExpire
+ * 
+ * This class permit to manage shadowExpire attribute as a timestamp, and consequently
+ * permit to use LSattr_html_date to manage it value in the interface.
+ */
+class LSattr_ldap_shadowExpire extends LSattr_ldap {
+
+  /**
+   * Return the values as timestamps
+   *
+   * @param[in] $data mixed LDAP attribute value
+   *
+   * @retval mixed Array of timestamp
+   */
+  function getDisplayValue($data) {
+    $ret=array();
+    foreach($data as $val) {
+      $ret[]=((int)$val)*86400;
+    }
+    return $ret;
+  }
+
+  /**
+   * Return the values for saving
+   *
+   * @param[in] $data mixed Array of timestamp
+   *
+   * @retval mixed LDAP attribute values
+   */
+  function getUpdateData($data) {
+    $ret=array();
+    foreach($data as $val) {
+      $ret[]=round(((int)$val)/86400);
+    }
+    return $ret;
+  }
+}
+
+?>