From 8d381200ca6d55b3449ae45e97db70fefa9ba151 Mon Sep 17 00:00:00 2001
From: mrflos <mrflos@lilo.org>
Date: Fri, 21 Apr 2023 08:57:51 +0300
Subject: [PATCH] fix(yeswiki-installer) : better subdomain test

---
 yeswiki-installer.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/yeswiki-installer.php b/yeswiki-installer.php
index b42367b..0996366 100755
--- a/yeswiki-installer.php
+++ b/yeswiki-installer.php
@@ -80,7 +80,9 @@ if (0 == posix_getuid()) {
             $noip6 = $climate->arguments->get('noip6');
             $herseUser = $climate->arguments->get('herseuser');
             $hersePass = $climate->arguments->get('hersepass');
-            $isFullDomain = !preg_match('/.'.$_SERVER['maindomain'].'$/isU', $domain, $matches, PREG_OFFSET_CAPTURE, 0);
+            
+            //$isFullDomain = !preg_match('/.'.$_SERVER['maindomain'].'$/isU', $domain, $matches, PREG_OFFSET_CAPTURE, 0);
+            $isFullDomain = !preg_match('/^([a-zA-Z0-9]([-a-zA-Z0-9]{0,61}[a-zA-Z0-9])\.)([a-zA-Z0-9]{1,2}([-a-zA-Z0-9]{0,252}[a-zA-Z0-9])?)\.([a-zA-Z]{2,63})$/isU', $domain, $matches, PREG_OFFSET_CAPTURE, 0);
             if (!$nossl) {
                 checkDNS($domain, $isFullDomain, $noip6);
             }