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enhance MX validation; fix SRV validation

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Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
This commit is contained in:
Michael Kaufmann (d00p)
2016-05-09 21:52:58 +02:00
parent 31d08d532c
commit 283e272b99
2 changed files with 42 additions and 5 deletions
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34
dns_editor.php
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@@ -68,8 +68,29 @@ if ($action == 'add_record' && ! empty($_POST)) {
$errors[] = $lng['error']['dns_arec_noipv4'];
} elseif ($type == 'AAAA' && filter_var($content, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false) {
$errors[] = $lng['errors']['dns_aaaarec_noipv6'];
} elseif ($type == 'MX' && empty($prio)) {
$errors[] = $lng['error']['dns_mx_prioempty'];
} elseif ($type == 'MX') {
if ($prio === null || $prio < 0) {
$errors[] = $lng['error']['dns_mx_prioempty'];
}
// check for trailing dot
if (substr($content, - 1) == '.') {
// remove it for checks
$content = substr($content, 0, - 1);
}
if (! validateDomain($content)) {
$errors[] = $lng['error']['dns_mx_needdom'];
} else {
// check whether there is a CNAME-record for the same resource
foreach ($dom_entries as $existing_entries) {
$fqdn = $existing_entries['record'] . '.' . $domain;
if ($existing_entries['type'] == 'CNAME' && $fqdn == $content) {
$errors[] = $lng['error']['dns_mx_noalias'];
break;
}
}
}
// append trailing dot (again)
$content .= '.';
} elseif ($type == 'CNAME') {
// check for trailing dot
if (substr($content, - 1) == '.') {
@@ -103,14 +124,17 @@ if ($action == 'add_record' && ! empty($_POST)) {
// remove it for checks
$content = substr($content, 0, - 1);
}
//
if (! validateDomain($content)) {
// check only last part of content, as it can look like:
// _service._proto.name. TTL class SRV priority weight port target.
$_split_content = explode(" ", $content);
$target = trim($_split_content[count($_split_content)-1]);
if (! validateDomain($target)) {
$errors[] = $lng['error']['dns_srv_needdom'];
} else {
// check whether there is a CNAME-record for the same resource
foreach ($dom_entries as $existing_entries) {
$fqdn = $existing_entries['record'] . '.' . $domain;
if ($existing_entries['type'] == 'CNAME' && $fqdn == $content) {
if ($existing_entries['type'] == 'CNAME' && $fqdn == $target) {
$errors[] = $lng['error']['dns_srv_noalias'];
break;
}