From 156bdf66d4f433d8289f03e1a0ba3e6d0cd04e06 Mon Sep 17 00:00:00 2001
From: Luke Bratch <luke@bratch.co.uk>
Date: Wed, 20 Sep 2017 19:50:55 +0100
Subject: Handle a failure when writing the zone file

---
 dns.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'dns.php')

diff --git a/dns.php b/dns.php
index 6e560d9..85844b3 100644
--- a/dns.php
+++ b/dns.php
@@ -119,7 +119,14 @@ function writezone($domain, $zonetext, $password = null) {
   }
 
   // Reload the zone if we got this far
-  sshrun("echo -en \"$zonetext\" > " . ZONEROOT . "$domain" . ZONESUFFIX);
+  $zonewrite = sshrun("echo -en \"$zonetext\" > " . ZONEROOT . "$domain" . ZONESUFFIX . " && echo $? || echo $?");
+
+  // If the return code was non-zero then fail
+  if ($zonewrite[sizeof($zonewrite) - 1] != "0") {
+    echo "<p>error: something went wrong when writing the zone file, please ask someone for help</p>";
+    die();
+  }
+
   sshrun("rndc reload $domain");
 }
 
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