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mirror of https://github.com/billz/raspap-webgui.git synced 2023-10-10 13:37:24 +02:00
raspap-webgui/ajax/networking/save_int_config.php
Lawrence 7749b79e2f Implemented start of web interface to update Static IP addresses or use DHCP.
Currently saves to files in /etc/raspap/networking, still need to build something to generate a working config for dhcpcd
2017-10-28 02:40:30 +08:00

76 lines
2.5 KiB
PHP

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