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Merge pull request #339 from KZumbusch/feature/support-for-multi-homed-dns-servers

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Support for multi homed DNS servers
This commit is contained in:
Michael Kaufmann
2016-03-11 21:16:46 +01:00
parent be1d9a045a 641ee1f8a6
commit 6b032839ce
1 changed files with 15 additions and 8 deletions
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23
scripts/jobs/cron_tasks.inc.dns.10.bind.php
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@@ -33,14 +33,19 @@ class bind {
if (Settings::Get('system.nameservers') != '') { if (Settings::Get('system.nameservers') != '') {
$nameservers = explode(',', Settings::Get('system.nameservers')); $nameservers = explode(',', Settings::Get('system.nameservers'));
foreach ($nameservers as $nameserver) { foreach ($nameservers as $nameserver) {
$nameserver_ip = gethostbyname(trim($nameserver)); // DNS servers might be multi homed; allow transfer from all ip
if (substr($nameserver, -1, 1) != '.') { // addresses of the DNS server
$nameserver.= '.'; $nameserver_ips = gethostbynamel(trim($nameserver));
// ignore invalid responses
if (is_array($nameserver_ips)) {
if (substr($nameserver, -1, 1) != '.') {
$nameserver.= '.';
}
$this->nameservers[] = array(
'hostname' => trim($nameserver),
'ips' => $nameserver_ips
);
} }
$this->nameservers[] = array(
'hostname' => trim($nameserver),
'ip' => trim($nameserver_ip)
);
} }
} }
@@ -233,7 +238,9 @@ class bind {
// put nameservers in allow-transfer // put nameservers in allow-transfer
if (count($this->nameservers) > 0) { if (count($this->nameservers) > 0) {
foreach ($this->nameservers as $ns) { foreach ($this->nameservers as $ns) {
$bindconf_file.= ' ' . $ns['ip'] . ';' . "\n"; foreach($ns["ips"] as $ip) {
$bindconf_file.= ' ' . $ip . ";\n";
}
} }
} }
// AXFR server #100 // AXFR server #100