From 535a082edda5326bba6e5b32b807926d481d2464 Mon Sep 17 00:00:00 2001
From: Deon George <deon@dege.au>
Date: Tue, 28 Nov 2023 19:57:47 +1100
Subject: [PATCH] Enable overriding the DNS NS hostname

---
 app/Classes/Protocol/DNS.php | 6 +++---
 config/fido.php              | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/app/Classes/Protocol/DNS.php b/app/Classes/Protocol/DNS.php
index bc13448..6acb9f1 100644
--- a/app/Classes/Protocol/DNS.php
+++ b/app/Classes/Protocol/DNS.php
@@ -152,7 +152,7 @@ final class DNS extends BaseProtocol
 					self::DNS_NOERROR,
 					$this->soa(),
 					[],
-					[serialize($this->domain_split(gethostname())) => self::DNS_TYPE_NS],
+					[serialize($this->domain_split(config('fido.dns_ns'))) => self::DNS_TYPE_NS],
 				);
 
 			case self::DNS_TYPE_NS:
@@ -160,7 +160,7 @@ final class DNS extends BaseProtocol
 
 				return $this->reply(
 					self::DNS_NOERROR,
-					[serialize($this->domain_split(gethostname())) => self::DNS_TYPE_NS]);
+					[serialize($this->domain_split(config('fido.dns_ns'))) => self::DNS_TYPE_NS]);
 
 			// Respond to A/AAAA/CNAME queries, with value or NAMEERR
 			case self::DNS_TYPE_CNAME:
@@ -461,7 +461,7 @@ final class DNS extends BaseProtocol
 	{
 		return
 			[serialize([
-				$this->domain_split(gethostname()),
+				$this->domain_split(config('fido.dns_ns')),
 				$this->domain_split(Str::replace('@','.',config('app.mail.mail_from','nobody@'.gethostname()))),
 				1,					// Serial
 				self::DEFAULT_TTL,	// Refresh
diff --git a/config/fido.php b/config/fido.php
index 7e169b8..b182ed5 100644
--- a/config/fido.php
+++ b/config/fido.php
@@ -1,6 +1,7 @@
 <?php
 
 return [
+
 	// When sending areafix/filefix messages, validate to addresses
 	'areafilefix' => ['areafix','filefix','rexfix','areamgr'],
 
@@ -10,6 +11,8 @@ return [
 	// Directory to use for any data we want to store locally
 	'dir' => env('FIDO_DIR', 'fido'),
 
+	'dns_ns' => env('FIDO_DNS_NS', gethostname()),
+
 	// Our Storage::disk() for files storage
 	'file_disk' => env('FIDO_DIR_FILES', 's3'),