From b07539481e5daf95779767668f1a06aba82ce5ca Mon Sep 17 00:00:00 2001
From: Viacheslav Hletenko <v.gletenko@vyos.io>
Date: Tue, 30 Apr 2024 14:50:55 +0000
Subject: T6169: DNS forwarding should allow underscore for srv record

This srv recors looks valid:
```
set service dns forwarding authoritative-domain _tcp.db.mongors1.example.com records srv _mongodb entry 0 hostname 'mongors1.example.com'
```
But FQDN validator cannot validate it correctly, use regex to fix

(cherry picked from commit 3c37b6a44dca552da950b5288a30c7e074d58704)
---
 interface-definitions/service_dns_forwarding.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'interface-definitions/service_dns_forwarding.xml.in')

diff --git a/interface-definitions/service_dns_forwarding.xml.in b/interface-definitions/service_dns_forwarding.xml.in
index a54618e82..b52b4bda3 100644
--- a/interface-definitions/service_dns_forwarding.xml.in
+++ b/interface-definitions/service_dns_forwarding.xml.in
@@ -115,7 +115,7 @@
                     <description>An absolute DNS domain name</description>
                   </valueHelp>
                   <constraint>
-                    <validator name="fqdn"/>
+                    <regex>((?!-)[-_a-zA-Z0-9.]{1,63}|@|any)(?&lt;!\.)</regex>
                   </constraint>
                 </properties>
                 <children>
-- 
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