Validate parameters before use

nijel · nijel · commit a6ae24741e01 · 2016-01-19T11:23:36.000+01:00
Signed-off-by: Michal Čihař &lt;michal@cihar.com&gt;
diff --git a/gis_data_editor.php b/gis_data_editor.php
@@ -23,6 +23,10 @@ function escape($variable)
 require_once 'libraries/gis/GIS_Factory.class.php';
 require_once 'libraries/gis/GIS_Visualization.class.php';
 
+if (! isset($_REQUEST['field'])) {
+    PMA_Util::checkParameters(array('field'));
+}
+
 // Get data if any posted
 $gis_data = array();
 if (PMA_isValid($_REQUEST['gis_data'], 'array')) {
@@ -185,6 +189,9 @@ function escape($variable)
 }
 
 for ($a = 0; $a < $geom_count; $a++) {
+    if (! isset($gis_data[$a])) {
+        continue;
+    }
 
     if ($geom_type == 'GEOMETRYCOLLECTION') {
         echo '<br/><br/>';
