From e74b2e03a25cf7722de0013e7a2c7ed990602ff6 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Mon, 24 May 2021 21:32:56 +0200
Subject: ipv6-update: apply a mask on prefix

Fixes #11
---
 ipv6-update | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipv6-update b/ipv6-update
index 3223807..45efccd 100644
--- a/ipv6-update
+++ b/ipv6-update
@@ -51,7 +51,7 @@
     :local Comment [ $ParseKeyValueStore ($RecordVal->"comment") ];
 
     :local Prefix [ / ipv6 address get [ find where interface=($Comment->"interface") from-pool=$Pool global ] address ];
-    :set Prefix [ :toip6 [ :pick $Prefix 0 [ :find $Prefix "/64" ] ] ];
+    :set Prefix ([ :toip6 [ :pick $Prefix 0 [ :find $Prefix "/64" ] ] ] & ffff:ffff:ffff:ffff::);
     :local Address ($Prefix | ([ :toip6 ($RecordVal->"address") ] & ::ffff:ffff:ffff:ffff));
 
     :log info ("Updating DNS record for " . ($RecordVal->"name") . ($RecordVal->"regexp") . " to " . $Address);
-- 
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