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alternate fix for z_check_dns

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zotlabs 2018-05-24 16:32:21 -07:00
parent afb29176a4
commit cd4454100b
1 changed files with 14 additions and 6 deletions
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20
include/network.php
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@ -468,13 +468,21 @@ function z_dns_check($h,$check_mx = 0) {
&& \App::$config['system']['do_not_check_dns'])
return true;
// This will match either Windows or Mac ('Darwin')
if(stripos(PHP_OS,'win') !== false)
return true;
//$opts = DNS_A + DNS_CNAME + DNS_PTR;
//if($check_mx)
// $opts += DNS_MX;
// Specific record type flags are unreliable on FreeBSD and Mac,
// so now we'll ignore these and just check for the existence of any DNS record.
return((@dns_get_record($h) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
// BSD variants have dns_get_record() but it only works reliably without any options
if(stripos(PHP_OS,'bsd') !== false)
return((@dns_get_record($h) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
// Otherwise we will assume dns_get_record() works as documented
$opts = DNS_A + DNS_CNAME + DNS_PTR;
if($check_mx)
$opts += DNS_MX;
return((@dns_get_record($h,$opts) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false);
}
/**