From e97a58793d673604a141464505bedf6ef940f553 Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Wed, 8 Nov 2017 00:42:34 +0100
Subject: [PATCH] Revert "[stable12] Only allow colons in db host for IPv6
 addresses"

---
 lib/private/Setup.php | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/lib/private/Setup.php b/lib/private/Setup.php
index 2876ad524f9..b8a861fd296 100644
--- a/lib/private/Setup.php
+++ b/lib/private/Setup.php
@@ -294,10 +294,6 @@ class Setup {
 			$error[] = $l->t("Can't create or write into the data directory %s", array($dataDir));
 		}
 
-		if (!$this->validateDatabaseHost($options['dbhost'])) {
-			$error[] = $l->t('Given database host is invalid and must not contain the port: %s', [$options['dbhost']]);
-		}
-
 		if(count($error) != 0) {
 			return $error;
 		}
@@ -413,18 +409,6 @@ class Setup {
 		return $error;
 	}
 
-	/**
-	 * @param string $host
-	 * @return bool
-	 */
-	protected function validateDatabaseHost($host) {
-		if (strpos($host, ':') === false) {
-			return true;
-		}
-
-		return filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
-	}
-
 	public static function installBackgroundJobs() {
 		\OC::$server->getJobList()->add('\OC\Authentication\Token\DefaultTokenCleanupJob');
 	}
-- 
2.39.5