[Web] Expand IPv6 addresses for better comparison

2020-05-26 20:04:22 +02:00
parent ad3cd1be02
commit a6af7cbc2e
3 changed files with 13 additions and 9 deletions
--- a/data/web/inc/functions.inc.php
+++ b/data/web/inc/functions.inc.php
@@ -355,6 +355,11 @@ function pem_to_der($pem_key) {
  unset($lines[0]);
  return base64_decode(implode('', $lines));
 }
+function expand_ipv6($ip) {
+	$hex = unpack("H*hex", inet_pton($ip));
+	$ip = substr(preg_replace("/([A-f0-9]{4})/", "$1:", $hex['hex']), 0, -1);
+	return $ip;
+}
 function generate_tlsa_digest($hostname, $port, $starttls = null) {
  if (!is_valid_domain_name($hostname)) {
    return "Not a valid hostname";