fix(dns): detect disabled IPv6 support in DNS pinning

Signed-off-by: Benjamin Gaussorgues <benjamin.gaussorgues@nextcloud.com>
2 months ago · 7e4be1fcfd
parent 47ac907149
commit 7e4be1fcfd
1 changed files with 3 additions and 1 deletions
--- a/lib/private/Http/Client/DnsPinMiddleware.php
+++ b/lib/private/Http/Client/DnsPinMiddleware.php
@ -75,7 +75,9 @@ class DnsPinMiddleware {
 		$soaDnsEntry = $this->soaRecord($target);
 		$dnsNegativeTtl = $soaDnsEntry['minimum-ttl'] ?? null;

-		$dnsTypes = [DNS_A, DNS_AAAA, DNS_CNAME];
+		$dnsTypes = \defined('AF_INET6') || @inet_pton('::1')
+			? [DNS_A, DNS_AAAA, DNS_CNAME]
+			: [DNS_A, DNS_CNAME];
 		foreach ($dnsTypes as $dnsType) {
 			if ($this->negativeDnsCache->isNegativeCached($target, $dnsType)) {
 				continue;