4 files changed, 10 insertions, 16 deletions

diff --git a/graph.php b/graph.php
index effecef..e170598 100644
--- a/graph.php
+++ b/graph.php
@@ -8,29 +8,17 @@ $width = empty($_GET['x']) ? $CONFIG['width'] : $_GET['x'];
 $heigth = empty($_GET['y']) ? $CONFIG['heigth'] : $_GET['y'];
 
 if (validate_get($_GET['h'], 'host') === NULL) {
-        die_img('Error: plugin contains unknown characters.');
-        exit;
+        error_log('CGP Error: plugin contains unknown characters');
+        error_image();
 }
 
 if (!file_exists($CONFIG['webdir'].'/plugin/'.$plugin.'.php')) {
-        die_img(sprintf('Error: plugin not available (%s).', $plugin));
-        exit;
+        error_log(sprintf('CGP Error: plugin "%s" is not available', $plugin));
+        error_image();
 }
 
 # load plugin
 include $CONFIG['webdir'].'/plugin/'.$plugin.'.php';
 
 
-function die_img($msg) {
-        header("Content-Type: image/png");
-        $image = ImageCreatetruecolor(300, 30);
-        $black = ImageColorAllocate($image, 0, 0, 0);
-        $white = ImageColorAllocate($image, 255, 255, 255);
-        imagefill($image, 0, 0, $white);
-        imagerectangle($image, 0, 0, 299, 29, $black);
-        imagestring($image, 2, 10, 9, $msg, $black);
-        imagepng($image);
-        imagedestroy($image);
-}
-
 ?>
diff --git a/inc/functions.inc.php b/inc/functions.inc.php
index b0706d5..04e58e3 100644
--- a/inc/functions.inc.php
+++ b/inc/functions.inc.php
@@ -27,4 +27,10 @@ function crc32hex($str) {
         return sprintf("%x",crc32($str));
 }
 
+function error_image() {
+        header("Content-Type: image/png");
+        readfile('layout/error.png');
+        exit;
+}
+
 ?>
diff --git a/layout/error.png b/layout/error.png
new file mode 100644
index 0000000..421fbfe
--- /dev/null
+++ b/layout/error.png
diff --git a/layout/error.xcf b/layout/error.xcf
new file mode 100644
index 0000000..4ff54e3
--- /dev/null
+++ b/layout/error.xcf