ddns-status.php: give more helpful error messages

1 files changed, 10 insertions, 2 deletions

diff --git a/ddns-status.php b/ddns-status.php
index 5c42ca7..2e7c38a 100644
--- a/ddns-status.php
+++ b/ddns-status.php
@@ -1,9 +1,17 @@
 <?php
 
+function die_http($error, $message, $extra_message) {
+  header('Status: ' . $error . ' ' . $message);
+  print 'Error ' . $error . ': ' . $message . "\n";
+  if ($extra_message != '')
+    print "<br>\n" . $extra_message . "\n";
+  die();
+}
+
 $pin = popen('dig @127.0.0.1 ddns.eckner.net AXFR', 'r');
 
 if (!$pin)
-  die();
+  die_http(500, 'Internal Server Error', 'Failed to get Zone.');
 
 $found = false;
 $axfr = array();
@@ -30,7 +38,7 @@ while (($line = fgets($pin)) !== false) {
 pclose($pin);
 
 if (! $found)
-  die();
+  die_http(403, 'Forbidden', 'You are not known to ddns.');
 
 $hosts = explode(
   "\n",