76 lines
2.5 KiB
PHP
76 lines
2.5 KiB
PHP
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<?php
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function mask2cidr($mask){
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$long = ip2long($mask);
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$base = ip2long('255.255.255.255');
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return 32-log(($long ^ $base)+1,2);
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}
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function write_php_ini($array, $file) {
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$res = array();
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foreach($array as $key => $val) {
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if(is_array($val)) {
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$res[] = "[$key]";
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foreach($val as $skey => $sval) $res[] = "$skey = ".(is_numeric($sval) ? $sval : '"'.$sval.'"');
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}
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else $res[] = "$key = ".(is_numeric($val) ? $val : '"'.$val.'"');
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}
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if(safefilerewrite($file, implode("\r\n", $res))) {
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return true;
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} else {
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return false;
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}
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}
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function safefilerewrite($fileName, $dataToSave) {
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if ($fp = fopen($fileName, 'w')) {
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$startTime = microtime(TRUE);
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do {
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$canWrite = flock($fp, LOCK_EX);
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// If lock not obtained sleep for 0 - 100 milliseconds, to avoid collision and CPU load
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if(!$canWrite) usleep(round(rand(0, 100)*1000));
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} while ((!$canWrite)and((microtime(TRUE)-$startTime) < 5));
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//file was locked so now we can store information
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if ($canWrite) {
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fwrite($fp, $dataToSave);
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flock($fp, LOCK_UN);
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}
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fclose($fp);
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return true;
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} else {
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return false;
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}
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}
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session_start();
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include_once('../../includes/config.php');
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include_once('../../includes/functions.php');
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var_dump($_POST);
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if(isset($_POST['interface']) && isset($_POST['csrf_token']) && CSRFValidate()) {
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$int = $_POST['interface'];
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$cfg = [];
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if($_POST[$int.'-static'] == 'true') {
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$file = "STATIC-".$int.".ini";
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$ip = $_POST[$int.'-ipaddress'];
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$netmask = mask2cidr($_POST[$int.'-netmask']);
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$dns1 = $_POST[$int.'-dnssvr'];
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$dns2 = $_POST[$int.'-dnssvralt'];
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$cfg['static'] = $_POST[$int.'-static'];
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$cfg['interface'] = $int;
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$cfg['routers'] = $_POST[$int.'-gateway'];
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$cfg['ip_address'] = $ip."/".$netmask;
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$cfg['domain_name_server'] = $dns1." ".$dns2;
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if(write_php_ini($cfg,RASPI_CONFIG_NETWORKING.'/'.$file)) {
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$jsonData = ['return'=>0,'output'=>['Successfully Updated Network Configuration']];
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} else {
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$jsonData = ['return'=>1,'output'=>['Error saving network configuration']];
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}
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}
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} else {
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$jsonData = ['return'=>2,'output'=>['Error saving network configuration']];
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}
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echo json_encode($jsonData);
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?>
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