diff options
Diffstat (limited to 'include/network.php')
| -rw-r--r-- | include/network.php | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/include/network.php b/include/network.php index 6411d6ddf..8c118eff3 100644 --- a/include/network.php +++ b/include/network.php @@ -480,6 +480,23 @@ function convert_xml_element_to_array($xml_element, &$recursion_depth=0) { } } + + +function z_dns_check($h,$check_mx = 0) { + + // dns_get_record() has issues on some platforms + // so allow somebody to ignore it completely + + if(get_config('system','do_not_check_dns')) + return true; + + $opts = DNS_A + DNS_CNAME + DNS_PTR; + if($check_mx) + $opts += DNS_MX; + return((@dns_get_record($h, $opts) || filter_var($h, FILTER_VALIDATE_IP)) ? true : false); + +} + // Take a URL from the wild, prepend http:// if necessary // and check DNS to see if it's real (or check if is a valid IP address) // return true if it's OK, false if something is wrong with it @@ -494,7 +511,7 @@ function validate_url(&$url) { $url = 'http://' . $url; $h = @parse_url($url); - if(($h) && (@dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR) || filter_var($h['host'], FILTER_VALIDATE_IP) )) { + if(($h) && z_dns_check($h['host'])) { return true; } return false; @@ -512,7 +529,7 @@ function validate_email($addr) { return false; $h = substr($addr,strpos($addr,'@') + 1); - if(($h) && (@dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX) || filter_var($h, FILTER_VALIDATE_IP) )) { + if(($h) && z_dns_check($h,true)) { return true; } return false; |