From fe513f733d7ee87597700849d25483119408b17f Mon Sep 17 00:00:00 2001
From: David Kerr <david@kerr.net>
Date: Tue, 30 Jun 2020 13:29:10 -0400
Subject: [PATCH] Use `is_ipv6`, not `extract_ipv6`, to validate IPv6 address

---
 ddclient.in | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/ddclient.in b/ddclient.in
index 9a1313f..36bda0d 100755
--- a/ddclient.in
+++ b/ddclient.in
@@ -1930,9 +1930,7 @@ sub check_value {
         return undef if $value eq "";
 
     } elsif ($type eq T_IP) {
-        if (!extract_ipv6($value)) {
-            return undef if !is_ipv4($value);
-        }
+        return undef if !is_ipv4($value) && !is_ipv6($value);
     }
     return $value;
 }