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#!/usr/bin/php -f
<?php
//$url = 'http://register.freifunk-myk.de/srvapi.php';
$url = 'https://www.freifunk-myk.de/node/keys';
$out = '/etc/fastd/ff{{ item.name }}/peers/';
if(!is_dir($out)) die('Output Dir missing');
if(!is_writable($out)) die('Output Dir perms');
if( ($data = file_get_contents($url)) === FALSE ) die('Error getting keys');
$data = unserialize($data);
$active=array();
foreach($data as $router) {
$router['MAC'] = trim($router['MAC']);
$router['PublicKey'] = trim($router['PublicKey']);
if(!preg_match('/^[A-F0-9]{2}:[A-F0-9]{2}:[A-F0-9]{2}:[A-F0-9]{2}:[A-F0-9]{2}:[A-F0-9]{2}$/', $router['MAC'])) {
//trigger_error('Router mit falscher MAC?!', E_USER_WARNING);
}elseif(!preg_match('/^[A-F0-9]{64}$/', $router['PublicKey'])) {
//trigger_error('Router mit falschem Key?!'.$router['MAC'], E_USER_WARNING);
}else{
$filename='client_'.str_replace(':', '-', $router['MAC']);
$fp=fopen($out.$filename, 'w');
fwrite($fp, 'key "'.$router['PublicKey'].'";'."\n");
fclose($fp);
$active[] = $filename;
}
}
//Check if we fscked up
if(count($active) < 10) die('Less than 10 nodes? Database broken?');
$dh = opendir($out);
while(($file = readdir($dh)) !== false) {
if($file != '.' && $file != '..') {
if(!in_array($file, $active) && (strpos($file, 'client_') !== false)) {
unlink($out.$file);
}
}
}
exec('killall -SIGHUP fastd');
?>
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