From b0beb1cb732cdf950917f1eb419f66cc4f007f29 Mon Sep 17 00:00:00 2001
From: Indrajit Raychaudhuri <irc@indrajit.com>
Date: Wed, 13 Dec 2023 16:32:32 -0600
Subject: ddclient: T5791: Enforce alphanumeric constraint on service name

Enforce constraint on Dynamic DNS service name to be alphanumeric
(including hyphens and underscores).
---
 interface-definitions/dns-dynamic.xml.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/interface-definitions/dns-dynamic.xml.in b/interface-definitions/dns-dynamic.xml.in
index f089f0e52..388e7c5d2 100644
--- a/interface-definitions/dns-dynamic.xml.in
+++ b/interface-definitions/dns-dynamic.xml.in
@@ -19,6 +19,10 @@
                     <format>txt</format>
                     <description>Dynamic DNS service name</description>
                   </valueHelp>
+                  <constraint>
+                    #include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
+                  </constraint>
+                  <constraintErrorMessage>Dynamic DNS service name must be alphanumeric and can contain hyphens and underscores</constraintErrorMessage>
                 </properties>
                 <children>
                   #include <include/generic-description.xml.i>
-- 
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