mirror of
https://github.com/billz/raspap-webgui.git
synced 2023-10-10 13:37:24 +02:00
8b0383dd20
- add mobile date network devices and configuration - add client configuration via udev - add GUI under networking tab - add scripts to handle mobile data devices
743 lines
18 KiB
PHP
Executable File
743 lines
18 KiB
PHP
Executable File
<?php
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/* Functions for Networking */
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/**
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* Get a human readable data size string from a number of bytes.
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*
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* @param long $numbytes The number of bytes.
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* @param int $precision The number of numbers to round to after the dot/comma.
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* @return string Data size in units: PB, TB, GB, MB or KB otherwise an empty string.
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*/
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function getHumanReadableDatasize($numbytes, $precision = 2)
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{
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$humanDatasize = '';
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$kib = 1024;
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$mib = $kib * 1024;
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$gib = $mib * 1024;
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$tib = $gib * 1024;
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$pib = $tib * 1024;
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if ($numbytes >= $pib) {
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$humanDatasize = ' ('.round($numbytes / $pib, $precision).' PB)';
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} elseif ($numbytes >= $tib) {
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$humanDatasize = ' ('.round($numbytes / $tib, $precision).' TB)';
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} elseif ($numbytes >= $gib) {
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$humanDatasize = ' ('.round($numbytes / $gib, $precision).' GB)';
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} elseif ($numbytes >= $mib) {
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$humanDatasize = ' ('.round($numbytes / $mib, $precision).' MB)';
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} elseif ($numbytes >= $kib) {
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$humanDatasize = ' ('.round($numbytes / $kib, $precision).' KB)';
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}
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return $humanDatasize;
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}
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/**
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* Converts a netmask to CIDR notation string
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*
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* @param string $mask
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* @return string
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*/
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function mask2cidr($mask)
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{
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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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/**
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* Converts a CIDR notation string to a netmask
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*
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* @param string $cidr
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* @return string
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*/
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function cidr2mask($cidr)
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{
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$ta = substr ($cidr, strpos ($cidr, '/') + 1) * 1;
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$netmask = str_split (str_pad (str_pad ('', $ta, '1'), 32, '0'), 8);
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foreach ($netmask as &$element)
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$element = bindec ($element);
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return join ('.', $netmask);
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}
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/**
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* Removes a dhcp configuration block for the specified interface
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*
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* @param string $iface
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* @param object $status
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* @return boolean $result
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*/
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function removeDHCPConfig($iface,$status)
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{
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$dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG);
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$dhcp_cfg = preg_replace('/^#\sRaspAP\s'.$iface.'\s.*?(?=\s*^\s*$)([\s]+)/ms', '', $dhcp_cfg, 1);
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file_put_contents("/tmp/dhcpddata", $dhcp_cfg);
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system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $result);
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if ($result == 0) {
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$status->addMessage('DHCP configuration for '.$iface.' removed.', 'success');
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} else {
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$status->addMessage('Failed to remove DHCP configuration for '.$iface.'.', 'danger');
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return $result;
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}
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}
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/**
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* Removes a dhcp configuration block for the specified interface
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*
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* @param string $dhcp_cfg
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* @param string $iface
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* @return string $dhcp_cfg
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*/
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function removeDHCPIface($dhcp_cfg,$iface)
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{
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$dhcp_cfg = preg_replace('/^#\sRaspAP\s'.$iface.'\s.*?(?=\s*^\s*$)([\s]+)/ms', '', $dhcp_cfg, 1);
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return $dhcp_cfg;
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}
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/**
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* Removes a dnsmasq configuration block for the specified interface
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*
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* @param string $iface
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* @param object $status
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* @return boolean $result
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*/
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function removeDnsmasqConfig($iface,$status)
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{
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system('sudo rm '.RASPI_DNSMASQ_PREFIX.$iface.'.conf', $result);
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if ($result == 0) {
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$status->addMessage('Dnsmasq configuration for '.$iface.' removed.', 'success');
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} else {
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$status->addMessage('Failed to remove dnsmasq configuration for '.$iface.'.', 'danger');
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}
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return $result;
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}
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/**
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* Scans dnsmasq configuration dir for the specified interface
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* Non-matching configs are removed, optional adblock.conf is protected
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*
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* @param string $dir_conf
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* @param string $interface
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* @param object $status
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*/
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function scanConfigDir($dir_conf,$interface,$status)
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{
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$syscnf = preg_grep('~\.(conf)$~', scandir($dir_conf));
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foreach ($syscnf as $cnf) {
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if ($cnf !== '090_adblock.conf' && !preg_match('/.*_'.$interface.'.conf/', $cnf)) {
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system('sudo rm /etc/dnsmasq.d/'.$cnf, $result);
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}
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}
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return $status;
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}
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/**
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* Returns a default (fallback) value for the selected service, interface & setting
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* from /etc/raspap/networking/defaults.json
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*
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* @param string $svc
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* @param string $iface
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* @return string $value
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*/
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function getDefaultNetValue($svc,$iface,$key)
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{
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$json = json_decode(file_get_contents(RASPI_CONFIG_NETWORK), true);
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if ($json === null) {
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return false;
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} else {
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return $json[$svc][$iface][$key][0];
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}
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}
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/**
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* Returns default options for the specified service
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*
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* @param string $svc
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* @return object $json
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*/
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function getDefaultNetOpts($svc)
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{
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$json = json_decode(file_get_contents(RASPI_CONFIG_NETWORK), true);
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if ($json === null) {
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return false;
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} else {
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return $json[$svc]['options'];
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}
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}
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/* Functions to write ini files */
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/**
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* Writes a configuration to an .ini file
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*
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* @param array $array
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* @param string $file
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* @return boolean
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*/
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function write_php_ini($array, $file)
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{
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$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 => $sval) {
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$res[] = "$skey = $sval";
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}
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} else {
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$res[] = "$key = $val";
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}
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}
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if (safefilerewrite($file, implode(PHP_EOL, $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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/**
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* Writes to a file without conflicts
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*
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* @param string $fileName
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* @param string $dataToSave
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* @return boolean
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*/
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function safefilerewrite($fileName, $dataToSave)
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{
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if ($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 (!$canWrite) {
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usleep(round(rand(0, 100)*1000));
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}
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} while ((!$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, $dataToSave.PHP_EOL);
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flock($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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/**
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* Prepends data to a file if not exists
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*
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* @param string $filename
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* @param string $dataToSave
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* @return boolean
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*/
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function file_prepend_data($filename, $dataToSave)
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{
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$context = stream_context_create();
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$file = fopen($filename, 'r', 1, $context);
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$file_data = readfile($file);
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if (!preg_match('/^'.$dataToSave.'/', $file_data)) {
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$tmp_file = tempnam(sys_get_temp_dir(), 'php_prepend_');
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file_put_contents($tmp_file, $dataToSave);
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file_put_contents($tmp_file, $file, FILE_APPEND);
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fclose($file);
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unlink($filename);
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rename($tmp_file, $filename);
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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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/**
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* Fetches a meta value from a file
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*
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* @param string $filename
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* @param string $pattern
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* @return string
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*/
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function file_get_meta($filename, $pattern)
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{
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if(file_exists($filename)) {
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$context = stream_context_create();
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$file_data = file_get_contents($filename, false, $context);
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preg_match('/^'.$pattern.'/', $file_data, $matched);
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return $matched[1];
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} else {
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return false;
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}
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}
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/**
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* Renames an openvpn client config with the 'filename' header comment
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*
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* @param string file
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* @return boolean
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*/
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function file_move_config($file)
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{
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if(file_exists($file)) {
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$file_data = file_get_contents($file);
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preg_match('/^#\sfilename\s(.*)/i', $file_data, $matched);
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$renamed = pathinfo($file, PATHINFO_DIRNAME).'/'.
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$matched[1] .'_'.pathinfo($file, PATHINFO_FILENAME).'.'.
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pathinfo($file, PATHINFO_EXTENSION);
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if (!file_exists($renamed)) {
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$return = system("sudo mv $file $renamed", $return);
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} else {
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return false;
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}
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}
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}
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/**
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* Callback function for array_filter
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*
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* @param string $var
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* @return filtered value
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*/
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function filter_comments($var)
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{
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return $var[0] != '#';
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}
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/**
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* Saves a CSRF token in the session
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*/
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function ensureCSRFSessionToken()
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{
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if (empty($_SESSION['csrf_token'])) {
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$_SESSION['csrf_token'] = bin2hex(random_bytes(32));
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}
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}
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/**
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* Add CSRF Token to form
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*/
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function CSRFTokenFieldTag()
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{
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$token = htmlspecialchars($_SESSION['csrf_token']);
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return '<input type="hidden" name="csrf_token" value="' . $token . '">';
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}
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/**
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* Retuns a CSRF meta tag (for use with xhr, for example)
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*/
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function CSRFMetaTag()
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{
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$token = htmlspecialchars($_SESSION['csrf_token']);
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return '<meta name="csrf_token" content="' . $token . '">';
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}
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/**
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* Validate CSRF Token
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*/
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function CSRFValidate()
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{
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$post_token = $_POST['csrf_token'];
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$header_token = $_SERVER['HTTP_X_CSRF_TOKEN'];
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if (empty($post_token) && empty($header_token)) {
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return false;
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}
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$request_token = $post_token;
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if (empty($post_token)) {
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$request_token = $header_token;
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}
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if (hash_equals($_SESSION['csrf_token'], $request_token)) {
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return true;
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} else {
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error_log('CSRF violation');
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return false;
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}
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}
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/**
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* Should the request be CSRF-validated?
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*/
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function csrfValidateRequest()
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{
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$request_method = strtolower($_SERVER['REQUEST_METHOD']);
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return in_array($request_method, [ "post", "put", "patch", "delete" ]);
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}
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/**
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* Handle invalid CSRF
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*/
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function handleInvalidCSRFToken()
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{
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header('HTTP/1.1 500 Internal Server Error');
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header('Content-Type: text/plain');
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echo 'Invalid CSRF token';
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exit;
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}
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/**
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* Test whether array is associative
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*/
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function isAssoc($arr)
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{
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return array_keys($arr) !== range(0, count($arr) - 1);
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}
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/**
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* Display a selector field for a form. Arguments are:
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*
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* @param string $name: Field name
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* @param array $options: Array of options
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* @param string $selected: Selected option (optional)
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* @param string $id: $options is an associative array this should be the key
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* @param string $event: onChange event (optional)
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* @param string $disabled (optional)
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*/
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function SelectorOptions($name, $options, $selected = null, $id = null, $event = null, $disabled = null)
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{
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echo '<select class="form-control" name="'.htmlspecialchars($name, ENT_QUOTES).'"';
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if (isset($id)) {
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echo ' id="' . htmlspecialchars($id, ENT_QUOTES) .'"';
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}
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if (isset($event)) {
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echo ' onChange="' . htmlspecialchars($event, ENT_QUOTES).'()"';
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}
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echo '>' , PHP_EOL;
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foreach ($options as $opt => $label) {
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$select = '';
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$key = isAssoc($options) ? $opt : $label;
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if ($key == $selected) {
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$select = ' selected="selected"';
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}
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if ($key == $disabled) {
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$disabled = ' disabled';
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}
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echo '<option value="'.htmlspecialchars($key, ENT_QUOTES).'"'.$select.$disabled.'>'.
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htmlspecialchars($label, ENT_QUOTES).'</option>' , PHP_EOL;
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}
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echo '</select>' , PHP_EOL;
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}
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/**
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*
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* @param string $input
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* @param string $string
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* @param int $offset
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* @param string $separator
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* @return $string
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*/
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function GetDistString($input, $string, $offset, $separator)
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{
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$string = substr($input, strpos($input, $string)+$offset, strpos(substr($input, strpos($input, $string)+$offset), $separator));
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return $string;
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}
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|
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/**
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*
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* @param array $arrConfig
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* @return $config
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*/
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function ParseConfig($arrConfig)
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{
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$config = array();
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foreach ($arrConfig as $line) {
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$line = trim($line);
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if ($line == "" || $line[0] == "#") {
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continue;
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}
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list($option, $value) = array_map("trim", explode("=", $line, 2));
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if (empty($config[$option])) {
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$config[$option] = $value ?: true;
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} else {
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if (!is_array($config[$option])) {
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$config[$option] = [ $config[$option] ];
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}
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$config[$option][] = $value;
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}
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}
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return $config;
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}
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|
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/**
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|
* Fetches DHCP configuration for an interface, returned as JSON data
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*
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* @param string $interface
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* @return json $jsonData
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*/
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function getNetConfig($interface)
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{
|
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$URI = $_SERVER['REQUEST_SCHEME'].'://'.$_SERVER['SERVER_NAME'] .'/ajax/networking/get_netcfg.php?iface='.$interface;
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$jsonData = file_get_contents($URI);
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return $jsonData;
|
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}
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|
|
/**
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|
*
|
|
* @param string $freq
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* @return $channel
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*/
|
|
function ConvertToChannel($freq)
|
|
{
|
|
if ($freq >= 2412 && $freq <= 2484) {
|
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$channel = ($freq - 2407)/5;
|
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} elseif ($freq >= 4915 && $freq <= 4980) {
|
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$channel = ($freq - 4910)/5 + 182;
|
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} elseif ($freq >= 5035 && $freq <= 5865) {
|
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$channel = ($freq - 5030)/5 + 6;
|
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} else {
|
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$channel = -1;
|
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}
|
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if ($channel >= 1 && $channel <= 196) {
|
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return $channel;
|
|
} else {
|
|
return 'Invalid Channel';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Converts WPA security string to readable format
|
|
*
|
|
* @param string $security
|
|
* @return string
|
|
*/
|
|
function ConvertToSecurity($security)
|
|
{
|
|
$options = array();
|
|
preg_match_all('/\[([^\]]+)\]/s', $security, $matches);
|
|
foreach ($matches[1] as $match) {
|
|
if (preg_match('/^(WPA\d?)/', $match, $protocol_match)) {
|
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$protocol = $protocol_match[1];
|
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$matchArr = explode('-', $match);
|
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if (count($matchArr) > 2) {
|
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$options[] = htmlspecialchars($protocol . ' ('. $matchArr[2] .')', ENT_QUOTES);
|
|
} else {
|
|
$options[] = htmlspecialchars($protocol, ENT_QUOTES);
|
|
}
|
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}
|
|
}
|
|
|
|
if (count($options) === 0) {
|
|
// This could also be WEP but wpa_supplicant doesn't have a way to determine
|
|
// this.
|
|
// And you shouldn't be using WEP these days anyway.
|
|
return 'Open';
|
|
} else {
|
|
return implode(' / ', $options);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Renders a simple PHP template
|
|
*/
|
|
function renderTemplate($name, $__template_data = [])
|
|
{
|
|
$file = realpath(dirname(__FILE__) . "/../templates/$name.php");
|
|
if (!file_exists($file)) {
|
|
return "template $name ($file) not found";
|
|
}
|
|
|
|
if (is_array($__template_data)) {
|
|
extract($__template_data);
|
|
}
|
|
|
|
ob_start();
|
|
include $file;
|
|
return ob_get_clean();
|
|
}
|
|
|
|
function expandCacheKey($key)
|
|
{
|
|
return RASPI_CACHE_PATH . "/" . $key;
|
|
}
|
|
|
|
function hasCache($key)
|
|
{
|
|
$cacheKey = expandCacheKey($key);
|
|
return file_exists($cacheKey);
|
|
}
|
|
|
|
function readCache($key)
|
|
{
|
|
$cacheKey = expandCacheKey($key);
|
|
if (!file_exists($cacheKey)) {
|
|
return null;
|
|
}
|
|
return file_get_contents($cacheKey);
|
|
}
|
|
|
|
function writeCache($key, $data)
|
|
{
|
|
if (!file_exists(RASPI_CACHE_PATH)) {
|
|
mkdir(RASPI_CACHE_PATH, 0777, true);
|
|
$cacheKey = expandCacheKey($key);
|
|
file_put_contents($cacheKey, $data);
|
|
}
|
|
}
|
|
|
|
function deleteCache($key)
|
|
{
|
|
if (hasCache($key)) {
|
|
$cacheKey = expandCacheKey($key);
|
|
unlink($cacheKey);
|
|
}
|
|
}
|
|
|
|
function cache($key, $callback)
|
|
{
|
|
if (hasCache($key)) {
|
|
return readCache($key);
|
|
} else {
|
|
$data = $callback();
|
|
writeCache($key, $data);
|
|
return $data;
|
|
}
|
|
}
|
|
|
|
// insspired by
|
|
// http://markushedlund.com/dev/php-escapeshellarg-with-unicodeutf-8-support
|
|
function mb_escapeshellarg($arg)
|
|
{
|
|
$isWindows = strtolower(substr(PHP_OS, 0, 3)) === 'win';
|
|
if ($isWindows) {
|
|
$escaped_arg = str_replace(array('"', '%'), '', $arg);
|
|
} else {
|
|
$escaped_arg = str_replace("'", "'\\''", $arg);
|
|
}
|
|
return "\"$escaped_arg\"";
|
|
}
|
|
|
|
function dnsServers()
|
|
{
|
|
$data = json_decode(file_get_contents("./config/dns-servers.json"));
|
|
return (array) $data;
|
|
}
|
|
|
|
function blocklistProviders()
|
|
{
|
|
$data = json_decode(file_get_contents("./config/blocklists.json"));
|
|
return (array) $data;
|
|
}
|
|
|
|
function optionsForSelect($options)
|
|
{
|
|
$html = "";
|
|
foreach ($options as $key => $value) {
|
|
// optgroup
|
|
if (is_array($value)) {
|
|
$html .= "<optgroup label=\"$key\">";
|
|
$html .= optionsForSelect($value);
|
|
$html .= "</optgroup>";
|
|
}
|
|
// option
|
|
else {
|
|
$key = is_int($key) ? $value : $key;
|
|
$html .= "<option value=\"$value\">$key</option>";
|
|
}
|
|
}
|
|
return $html;
|
|
}
|
|
|
|
function blocklistUpdated($file)
|
|
{
|
|
$blocklist = RASPI_CONFIG.'/adblock/'.$file;
|
|
if (file_exists($blocklist)) {
|
|
$lastModified = date ("F d Y H:i:s.", filemtime($blocklist));
|
|
$lastModified = formatDateAgo($lastModified);
|
|
return $lastModified;
|
|
} else {
|
|
return 'Never';
|
|
}
|
|
}
|
|
|
|
function formatDateAgo($datetime, $full = false)
|
|
{
|
|
$now = new DateTime;
|
|
$ago = new DateTime($datetime);
|
|
$diff = $now->diff($ago);
|
|
|
|
$diff->w = floor($diff->d / 7);
|
|
$diff->d -= $diff->w * 7;
|
|
|
|
$string = array(
|
|
'y' => 'year',
|
|
'm' => 'month',
|
|
'w' => 'week',
|
|
'd' => 'day',
|
|
'h' => 'hour',
|
|
'i' => 'minute',
|
|
's' => 'second',
|
|
);
|
|
foreach ($string as $k => &$v) {
|
|
if ($diff->$k) {
|
|
$v = $diff->$k . ' ' . $v . ($diff->$k > 1 ? 's' : '');
|
|
} else {
|
|
unset($string[$k]);
|
|
}
|
|
}
|
|
if (!$full) $string = array_slice($string, 0, 1);
|
|
return $string ? implode(', ', $string) . ' ago' : 'just now';
|
|
}
|
|
|
|
function getThemeOpt()
|
|
{
|
|
if (!isset($_COOKIE['theme'])) {
|
|
$theme = "custom.php";
|
|
} else {
|
|
$theme = $_COOKIE['theme'];
|
|
}
|
|
return 'app/css/'.htmlspecialchars($theme, ENT_QUOTES);
|
|
}
|
|
|
|
function getColorOpt()
|
|
{
|
|
if (!isset($_COOKIE['color'])) {
|
|
$color = "#d8224c";
|
|
} else {
|
|
$color = $_COOKIE['color'];
|
|
}
|
|
return $color;
|
|
}
|
|
function getSidebarState()
|
|
{
|
|
if ($_COOKIE['sidebarToggled'] == 'true' ) {
|
|
return"toggled";
|
|
}
|
|
}
|
|
|
|
// Returns bridged AP mode status
|
|
function getBridgedState()
|
|
{
|
|
$arrHostapdConf = parse_ini_file(RASPI_CONFIG.'/hostapd.ini');
|
|
// defaults to false
|
|
return $arrHostapdConf['BridgedEnable'];
|
|
}
|
|
|
|
// Validates a host or FQDN
|
|
function validate_host($host) {
|
|
return preg_match('/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i', $host);
|
|
}
|
|
|
|
// Gets night mode toggle value
|
|
// @return boolean
|
|
function getNightmode(){
|
|
if ($_COOKIE['theme'] == 'lightsout.css') {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
// search array for matching string and return only first matching group
|
|
function preg_only_match($pat,$haystack) {
|
|
$match = "";
|
|
if(!empty($haystack) && !empty($pat)) {
|
|
if(!is_array($haystack)) $haystack = array($haystack);
|
|
$str = preg_grep($pat,$haystack);
|
|
if (!empty($str) && preg_match($pat,array_shift($str),$match) === 1 ) $match = $match[1];
|
|
}
|
|
return $match;
|
|
}
|
|
}
|
|
|