From 8081f6abefdd16ab9192978b323190f114f1fa0f Mon Sep 17 00:00:00 2001
From: Ralf Becker <RalfBecker@outdoor-training.de>
Date: Mon, 7 Feb 2022 20:48:28 +0200
Subject: [PATCH] allow IP4 subnets and % wildcard when creating MariaDB/MySQL
 users

---
 setup/index.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/setup/index.php b/setup/index.php
index 8e94db0580..3067ecf98a 100644
--- a/setup/index.php
+++ b/setup/index.php
@@ -301,7 +301,8 @@ switch($GLOBALS['egw_info']['setup']['stage']['db'])
 			{
 				case 'dbcreate':
 					$GLOBALS['egw_setup']->db->create_database($_POST['db_root'], $_POST['db_pass'], 'utf8',	// create all new db's with utf8
-						!preg_match('/^[0-9.a-z_]+$/i', $_POST['db_grant_host']) ? 'localhost' : $_POST['db_grant_host']);
+						!preg_match('/^([0-9.a-z_%-]+|([0-9]{1,3}\.){3}[0-9]{1,3}(\/\d+)?)$/i', $_POST['db_grant_host']) ?
+							'localhost' : $_POST['db_grant_host']);
 					break;
 				case 'drop':
 					Api\Csrf::validate($_POST['csrf_token'], __FILE__);