mnet MDL-21257 temporary fix for mnet breaking on session regeneratio…

…n. This is fixed better, but more obtrusively in 2.0

auth/mnet/auth.php

@@ -230,6 +230,17 @@ function start_jump_session($mnethostid, $wantsurl) {
         return $url;
     }
 
+    /**
+     * after a successful login, land.php will call complete_user_login
+     * which will in turn regenerate the session id.
+     * this means that what is stored in mnet_session table needs updating.
+     *
+     */
+    function update_session_id() {
+        global $USER;
+        return set_field('mnet_session', 'session_id', session_id(), 'username', $USER->username, 'mnethostid', $USER->mnethostid, 'useragent', sha1($_SERVER['HTTP_USER_AGENT']));
+    }
+
     /**
      * This function confirms the remote (ID provider) host's mnet session
      * by communicating the token and UA over the XMLRPC transport layer, and

auth/mnet/land.php

@@ -34,6 +34,7 @@
 // log in
 $USER = get_complete_user_data('id', $localuser->id, $localuser->mnethostid);
 complete_user_login($USER);
+$mnetauth->update_session_id();
 
 if (!empty($localuser->mnet_foreign_host_array)) {
     $USER->mnet_foreign_host_array = $localuser->mnet_foreign_host_array;