git subrepo clone https://github.com/mailcow/mailcow-dockerized.git mailcow/src/mailcow-dockerized
subrepo: subdir: "mailcow/src/mailcow-dockerized"
merged: "a832becb"
upstream: origin: "https://github.com/mailcow/mailcow-dockerized.git"
branch: "master"
commit: "a832becb"
git-subrepo: version: "0.4.3"
origin: "???"
commit: "???"
Change-Id: If5be2d621a211e164c9b6577adaa7884449f16b5
diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/ajax/dns_diagnostics.php b/mailcow/src/mailcow-dockerized/data/web/inc/ajax/dns_diagnostics.php
new file mode 100644
index 0000000..928a4e4
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/ajax/dns_diagnostics.php
@@ -0,0 +1,481 @@
+<?php
+require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/spf.inc.php';
+
+define('state_good', '<span class="glyphicon glyphicon-ok text-success"></span>');
+define('state_missing', '<span class="glyphicon glyphicon-remove text-danger"></span>');
+define('state_nomatch', "?");
+define('state_optional', " <sup>2</sup>");
+
+if (isset($_SESSION['mailcow_cc_role']) && ($_SESSION['mailcow_cc_role'] == "admin"|| $_SESSION['mailcow_cc_role'] == "domainadmin")) {
+
+$domains = mailbox('get', 'domains');
+$alias_domains = array();
+foreach($domains as $dn) {
+ $alias_domains = array_merge($alias_domains, mailbox('get', 'alias_domains', $dn));
+}
+$domains = array_merge($domains, $alias_domains);
+
+if (isset($_GET['domain'])) {
+ if (is_valid_domain_name($_GET['domain'])) {
+ if (in_array($_GET['domain'], $domains)) {
+ $domain = $_GET['domain'];
+ }
+ else {
+ echo "No such domain in context";
+ exit();
+ }
+ }
+ else {
+ echo "Invalid domain name";
+ exit();
+ }
+}
+
+$ch = curl_init('http://ip4.mailcow.email');
+curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+curl_setopt($ch, CURLOPT_VERBOSE, false);
+curl_setopt($ch, CURLOPT_HEADER, false);
+curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
+$ip = curl_exec($ch);
+curl_close($ch);
+
+$ch = curl_init('http://ip6.mailcow.email');
+curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
+curl_setopt($ch, CURLOPT_VERBOSE, false);
+curl_setopt($ch, CURLOPT_HEADER, false);
+curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
+$ip6 = curl_exec($ch);
+curl_close($ch);
+
+$ptr = implode('.', array_reverse(explode('.', $ip))) . '.in-addr.arpa';
+if (!empty($ip6)) {
+ $ip6_full = str_replace('::', str_repeat(':', 9-substr_count($ip6, ':')), $ip6);
+ $ip6_full = str_replace('::', ':0:', $ip6_full);
+ $ip6_full = str_replace('::', ':0:', $ip6_full);
+ $ptr6 = '';
+ foreach (explode(':', $ip6_full) as $part) {
+ $ptr6 .= str_pad($part, 4, '0', STR_PAD_LEFT);
+ }
+ $ptr6 = implode('.', array_reverse(str_split($ptr6, 1))) . '.ip6.arpa';
+}
+
+$https_port = strpos($_SERVER['HTTP_HOST'], ':');
+if ($https_port === FALSE) {
+ $https_port = 443;
+}
+else {
+ $https_port = substr($_SERVER['HTTP_HOST'], $https_port+1);
+}
+
+if (!isset($autodiscover_config['sieve'])) {
+ $autodiscover_config['sieve'] = array('server' => $mailcow_hostname, 'port' => array_pop(explode(':', getenv('SIEVE_PORT'))));
+}
+
+// Init records array
+$spf_link = '<a href="https://en.wikipedia.org/wiki/Sender_Policy_Framework" target="_blank">SPF Record Syntax</a><br />';
+$dmarc_link = '<a href="https://www.kitterman.com/dmarc/assistant.html" target="_blank">DMARC Assistant</a>';
+
+$records = array();
+if ($_SESSION['mailcow_cc_role'] == "admin") {
+ $records[] = array(
+ $mailcow_hostname,
+ 'A',
+ $ip
+ );
+ $records[] = array(
+ $ptr,
+ 'PTR',
+ $mailcow_hostname
+ );
+ if (!empty($ip6)) {
+ $records[] = array(
+ $mailcow_hostname,
+ 'AAAA',
+ expand_ipv6($ip6)
+ );
+ $records[] = array(
+ $ptr6,
+ 'PTR',
+ $mailcow_hostname
+ );
+ }
+ $records[] = array(
+ '_25._tcp.'.$autodiscover_config['smtp']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['smtp']['server'], 25, 1)
+ );
+ if (!in_array($domain, $alias_domains)) {
+ $records[] = array(
+ '_'.$https_port.
+ '._tcp.'.$mailcow_hostname,
+ 'TLSA',
+ generate_tlsa_digest($mailcow_hostname, $https_port)
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['pop3']['tlsport'].
+ '._tcp.'.$autodiscover_config['pop3']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['pop3']['server'], $autodiscover_config['pop3']['tlsport'], 1)
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['imap']['tlsport'].
+ '._tcp.'.$autodiscover_config['imap']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['imap']['server'], $autodiscover_config['imap']['tlsport'], 1)
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['smtp']['port'].
+ '._tcp.'.$autodiscover_config['smtp']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['smtp']['server'], $autodiscover_config['smtp']['port'])
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['smtp']['tlsport'].
+ '._tcp.'.$autodiscover_config['smtp']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['smtp']['server'], $autodiscover_config['smtp']['tlsport'], 1)
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['imap']['port'].
+ '._tcp.'.$autodiscover_config['imap']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['imap']['server'], $autodiscover_config['imap']['port'])
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['pop3']['port'].
+ '._tcp.'.$autodiscover_config['pop3']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['pop3']['server'], $autodiscover_config['pop3']['port'])
+ );
+ $records[] = array(
+ '_'.$autodiscover_config['sieve']['port'].
+ '._tcp.'.$autodiscover_config['sieve']['server'],
+ 'TLSA',
+ generate_tlsa_digest($autodiscover_config['sieve']['server'], $autodiscover_config['sieve']['port'], 1)
+ );
+ }
+}
+$records[] = array(
+ $domain,
+ 'MX',
+ $mailcow_hostname
+);
+if (!in_array($domain, $alias_domains)) {
+ $records[] = array(
+ 'autodiscover.'.$domain,
+ 'CNAME',
+ $mailcow_hostname
+ );
+ $records[] = array(
+ '_autodiscover._tcp.'.$domain,
+ 'SRV',
+ $mailcow_hostname.
+ ' '.$https_port
+ );
+ $records[] = array(
+ 'autoconfig.'.$domain,
+ 'CNAME',
+ $mailcow_hostname
+ );
+}
+$records[] = array(
+ $domain,
+ 'TXT',
+ $spf_link,
+ state_optional
+);
+$records[] = array(
+ '_dmarc.'.$domain,
+ 'TXT',
+ $dmarc_link,
+ state_optional
+);
+
+if (!empty($dkim = dkim('details', $domain))) {
+ $records[] = array(
+ $dkim['dkim_selector'] . '._domainkey.' . $domain,
+ 'TXT',
+ $dkim['dkim_txt']
+ );
+}
+if (!in_array($domain, $alias_domains)) {
+ $current_records = dns_get_record('_pop3._tcp.' . $domain, DNS_SRV);
+ if (count($current_records) == 0 || $current_records[0]['target'] != '') {
+ if ($autodiscover_config['pop3']['tlsport'] != '110') {
+ $records[] = array(
+ '_pop3._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['pop3']['server'] . ' ' . $autodiscover_config['pop3']['tlsport']
+ );
+ }
+ }
+ else {
+ $records[] = array(
+ '_pop3._tcp.' . $domain,
+ 'SRV',
+ '. 0'
+ );
+ }
+ $current_records = dns_get_record('_pop3s._tcp.' . $domain, DNS_SRV);
+ if (count($current_records) == 0 || $current_records[0]['target'] != '') {
+ if ($autodiscover_config['pop3']['port'] != '995') {
+ $records[] = array(
+ '_pop3s._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['pop3']['server'] . ' ' . $autodiscover_config['pop3']['port']
+ );
+ }
+ }
+ else {
+ $records[] = array(
+ '_pop3s._tcp.' . $domain,
+ 'SRV',
+ '. 0'
+ );
+ }
+ if ($autodiscover_config['imap']['tlsport'] != '143') {
+ $records[] = array(
+ '_imap._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['imap']['server'] . ' ' . $autodiscover_config['imap']['tlsport']
+ );
+ }
+ if ($autodiscover_config['imap']['port'] != '993') {
+ $records[] = array(
+ '_imaps._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['imap']['server'] . ' ' . $autodiscover_config['imap']['port']
+ );
+ }
+ if ($autodiscover_config['smtp']['tlsport'] != '587') {
+ $records[] = array(
+ '_submission._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['smtp']['server'] . ' ' . $autodiscover_config['smtp']['tlsport']
+ );
+ }
+ if ($autodiscover_config['smtp']['port'] != '465') {
+ $records[] = array(
+ '_smtps._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['smtp']['server'] . ' ' . $autodiscover_config['smtp']['port']
+ );
+ }
+ if ($autodiscover_config['sieve']['port'] != '4190') {
+ $records[] = array(
+ '_sieve._tcp.' . $domain,
+ 'SRV',
+ $autodiscover_config['sieve']['server'] . ' ' . $autodiscover_config['sieve']['port']
+ );
+ }
+}
+
+$record_types = array(
+ 'A' => DNS_A,
+ 'AAAA' => DNS_AAAA,
+ 'CNAME' => DNS_CNAME,
+ 'MX' => DNS_MX,
+ 'PTR' => DNS_PTR,
+ 'SRV' => DNS_SRV,
+ 'TXT' => DNS_TXT,
+);
+$data_field = array(
+ 'A' => 'ip',
+ 'AAAA' => 'ipv6',
+ 'CNAME' => 'target',
+ 'MX' => 'target',
+ 'PTR' => 'target',
+ 'SRV' => 'data',
+ 'TLSA' => 'data',
+ 'TXT' => 'txt',
+);
+
+?>
+<div class="table-responsive" id="dnstable">
+ <table class="table table-striped">
+ <tr>
+ <th><?=$lang['diagnostics']['dns_records_name'];?></th>
+ <th><?=$lang['diagnostics']['dns_records_type'];?></th>
+ <th><?=$lang['diagnostics']['dns_records_data'];?></th>
+ <th><?=$lang['diagnostics']['dns_records_status'];?></th>
+ </tr>
+<?php
+foreach ($records as &$record) {
+ $record[1] = strtoupper($record[1]);
+ $state = state_missing;
+ if ($record[1] == 'TLSA') {
+ $currents = dns_get_record($record[0], 52, $_, $_, TRUE);
+ foreach ($currents as &$current) {
+ $current['type'] = 'TLSA';
+ $current['cert_usage'] = hexdec(bin2hex($current['data']{0}));
+ $current['selector'] = hexdec(bin2hex($current['data']{1}));
+ $current['match_type'] = hexdec(bin2hex($current['data']{2}));
+ $current['cert_data'] = bin2hex(substr($current['data'], 3));
+ $current['data'] = $current['cert_usage'] . ' ' . $current['selector'] . ' ' . $current['match_type'] . ' ' . $current['cert_data'];
+ }
+ unset($current);
+ }
+ else {
+ $currents = dns_get_record($record[0], $record_types[$record[1]]);
+ if ($record[0] == $mailcow_hostname && ($record[1] == "A" || $record[1] == "AAAA")) {
+ if (!empty(dns_get_record($record[0], DNS_CNAME))) {
+ $currents[0]['ip'] = state_missing . ' <b>(CNAME)</b>';
+ $currents[0]['ipv6'] = state_missing . ' <b>(CNAME)</b>';
+ }
+ }
+ if ($record[1] == 'SRV') {
+ foreach ($currents as &$current) {
+ if ($current['target'] == '') {
+ $current['target'] = '.';
+ $current['port'] = '0';
+ }
+ $current['data'] = $current['target'] . ' ' . $current['port'];
+ }
+ unset($current);
+ }
+ elseif ($record[1] == 'TXT') {
+ foreach ($currents as &$current) {
+ unset($current);
+ }
+ unset($current);
+ }
+ elseif ($record[1] == 'AAAA') {
+ foreach ($currents as &$current) {
+ $current['ipv6'] = expand_ipv6($current['ipv6']);
+ }
+ }
+ }
+
+ if ($record[1] == 'CNAME' && count($currents) == 0) {
+ // A and AAAA are also valid instead of CNAME
+ $a = dns_get_record($record[0], DNS_A);
+ $cname = dns_get_record($record[2], DNS_A);
+ if (count($a) > 0 && count($cname) > 0) {
+ if ($a[0]['ip'] == $cname[0]['ip']) {
+ $currents = array(array('host' => $record[0], 'class' => 'IN', 'type' => 'CNAME', 'target' => $record[2]));
+ $aaaa = dns_get_record($record[0], DNS_AAAA);
+ $cname = dns_get_record($record[2], DNS_AAAA);
+ if (count($aaaa) == 0 || count($cname) == 0 || expand_ipv6($aaaa[0]['ipv6']) != expand_ipv6($cname[0]['ipv6'])) {
+ $currents[0]['target'] = expand_ipv6($aaaa[0]['ipv6']) . ' <sup>1</sup>';
+ }
+ }
+ else {
+ $currents = array(array('host' => $record[0], 'class' => 'IN', 'type' => 'CNAME', 'target' => $a[0]['ip'] . ' <sup>1</sup>'));
+ }
+ }
+ }
+
+ foreach ($currents as &$current) {
+ if ($current['type'] == 'TXT' &&
+ stripos($current['txt'], 'v=dmarc') === 0 &&
+ $record[2] == $dmarc_link) {
+ $current['txt'] = str_replace(' ', '', $current['txt']);
+ $state = $current[$data_field[$current['type']]] . state_optional;
+ }
+ elseif ($current['type'] == 'TXT' &&
+ stripos($current['txt'], 'v=spf') === 0 &&
+ $record[2] == $spf_link) {
+ $state = state_nomatch;
+ $rslt = get_spf_allowed_hosts($record[0]);
+ if(in_array($ip, $rslt) && in_array(expand_ipv6($ip6), $rslt)){
+ $state = state_good;
+ }
+ $state .= '<br />' . $current[$data_field[$current['type']]].state_optional;
+ }
+ elseif ($current['type'] == 'TXT' &&
+ stripos($current['txt'], 'v=dkim') === 0 &&
+ stripos($record[2], 'v=dkim') === 0) {
+ preg_match('/v=DKIM1;.*k=rsa;.*p=([^;]*).*/i', $current[$data_field[$current['type']]], $dkim_matches_current);
+ preg_match('/v=DKIM1;.*k=rsa;.*p=([^;]*).*/i', $record[2], $dkim_matches_good);
+ if ($dkim_matches_current[1] == $dkim_matches_good[1]) {
+ $state = state_good;
+ }
+ }
+ elseif ($current['type'] != 'TXT' &&
+ isset($data_field[$current['type']]) && $state != state_good) {
+ $state = state_nomatch;
+ if ($current[$data_field[$current['type']]] == $record[2]) {
+ $state = state_good;
+ }
+ }
+ }
+ unset($current);
+
+ if (isset($record[3]) &&
+ $record[3] == state_optional &&
+ ($state == state_missing || $state == state_nomatch)) {
+ $state = state_optional;
+ }
+
+ if ($state == state_nomatch) {
+ $state = array();
+ foreach ($currents as $current) {
+ $state[] = $current[$data_field[$current['type']]];
+ }
+ $state = implode('<br />', $state);
+ }
+ echo sprintf('<tr>
+ <td>%s</td>
+ <td>%s</td>
+ <td class="dns-found">%s</td>
+ <td class="dns-recommended">%s</td>
+ </tr>', $record[0], $record[1], $record[2], $state);
+ $record[3] = explode('<br />', $state);
+}
+unset($record);
+
+$dns_data = sprintf("\$ORIGIN %s.\n", $domain);
+foreach ($records as $record) {
+ if ($domain == substr($record[0], -strlen($domain))) {
+ $label = substr($record[0], 0, -strlen($domain)-1);
+ $val = $record[2];
+ if (strlen($label) == 0) {
+ $label = "@";
+ }
+ $vals = array();
+ if (strpos($val, "<a") !== FALSE) {
+ if(is_array($record[3]) && count($record[3]) == 1 && $record[3][0] == state_optional) {
+ $record[3][0] = "**TODO**";
+ $label = ';' . $label;
+ }
+ foreach ($record[3] as $val) {
+ $val = str_replace(state_optional, '', $val);
+ $val = str_replace(state_good, '', $val);
+ if (strlen($val) > 0) {
+ $vals[] = sprintf("%s\tIN\t%s\t%s\n", $label, $record[1], $val);
+ }
+ }
+ }
+ else {
+ $vals[] = sprintf("%s\tIN\t%s\t%s\n", $label, $record[1], $val);
+ }
+ foreach ($vals as $val) {
+ $dns_data .= str_replace($domain, $domain . '.', $val);
+ }
+ }
+}
+
+?>
+ </table>
+ <a id='download-zonefile' data-zonefile="<?=base64_encode($dns_data);?>" download='<?=$_GET['domain'];?>.txt' type='text/csv'>Download</a>
+ <script>
+ var zonefile_dl_link = document.getElementById('download-zonefile');
+ var zonefile = atob(zonefile_dl_link.getAttribute('data-zonefile'));
+ var data = new Blob([zonefile]);
+ var download_zonefile_link = document.getElementById('download-zonefile');
+ download_zonefile_link.href = URL.createObjectURL(data);
+ </script>
+</div>
+<p class="help-block">
+<sup>1</sup> <?=$lang['diagnostics']['cname_from_a'];?><br />
+<sup>2</sup> <?=$lang['diagnostics']['optional'];?>
+</p>
+<?php
+} else {
+ echo "Session invalid";
+ exit();
+}
+?>