Fixes #3073 Adding snapshot debug trace info

include/class_SnapshotHandler.inc

@@ -398,6 +398,7 @@ class SnapshotHandler {
   function restore_snapshot($dn)
   {
     if (!$this->enabled()) {
+      @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $dn, 'Snaptshot are disabled but tried to restore snapshot');
       return array();
     }
 
@@ -409,16 +410,20 @@ class SnapshotHandler {
 
     /* Prepare import string */
     $data = gzuncompress($ldap->get_attribute($dn, 'gosaSnapshotData'));
+    if ($data === FALSE) {
+      msg_dialog::display(_('Error'), _('There was a problem uncompressing snapshot data'), ERROR_DIALOG);
+    }
 
     /* Import the given data */
     try {
       $ldap->import_complete_ldif($data, FALSE, FALSE);
-    } catch(Exception $e) {
+
+      if (!$ldap->success()) {
+        msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, "", get_class()), LDAP_ERROR);
+      }
+    } catch (Exception $e) {
       msg_dialog::display(_('LDAP error'), $e->getMessage(), ERROR_DIALOG);
     }
-    if (!$ldap->success()) {
-      msg_dialog::display(_("LDAP error"), msgPool::ldaperror($ldap->get_error(), $dn, "", get_class()), LDAP_ERROR);
-    }
   }
 }
 ?>

include/class_management.inc

@@ -536,7 +536,7 @@ class management
     $entry = array_pop($target);
     if (!empty($entry) && $this->ui->allow_snapshot_restore($entry, $this->aclCategory)) {
       $this->snapHandler->restore_snapshot($entry);
-      @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $this->dn, "Snaptshot restored!");
+      @DEBUG (DEBUG_TRACE, __LINE__, __FUNCTION__, __FILE__, $entry, 'Snaptshot restored');
       $this->closeDialogs();
     } else {
       msg_dialog::display(_("Permission"), sprintf(_("You are not allowed to restore a snapshot for %s."), $entry),