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Using “validhostname” from “lib/validhostname.php”

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pezcurrel 2024-08-22 11:23:17 +02:00
parent 72a23db0b8
commit 74bc9caa7e
1 changed files with 1 additions and 25 deletions
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26
web/clitools/peerscrawl.php
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@ -25,6 +25,7 @@ require __DIR__.'/../lib/ghs.php';
require __DIR__.'/../lib/ght.php';
require __DIR__.'/../lib/grace.php';
require __DIR__.'/../lib/parsetime.php';
require __DIR__.'/../lib/validhostname.php';
use function mysqli_real_escape_string as myesc;
@ -467,29 +468,4 @@ function ckexarr($inst) {
return(false);
}
function ismultibyte($s) {
preg_replace('/./u','.',$s,-1,$c);
(strlen($s)>$c) ? $r=true : $r=false;
return($r);
}
function validhostname($hostname) {
//$hostname=preg_replace('#/.*#','',$hostname);
//$hostname=preg_replace('#:[0-9]+$#','',$hostname);
if (ismultibyte($hostname)) $hostname=idn_to_ascii($hostname,IDNA_DEFAULT,INTL_IDNA_VARIANT_UTS46);
//echo($hostname.N);
if (strlen($hostname)>253) return(false);
$labels=explode('.',$hostname);
foreach($labels as $label) {
$len=strlen($label);
if ($len<1 || $len>63) return(false);
if (preg_match('#^-#',$label)==1) return(false);
if (preg_match('#-$#',$label)==1) return(false);
//if (preg_match('#--#',$label)==1) return(false);
if (preg_match('#^[a-zA-Z0-9-]+$#',$label)!==1) return(false);
}
return(true);
}
//$url='www.team.starschlep.com/'; if (validhostname($url)) echo('OK: '.$url.N); else echo('KO: '.$url.N); die();
?>