488 lines
15 KiB
PHP
Executable File
488 lines
15 KiB
PHP
Executable File
<?php
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/* Functions for Networking */
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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 ^ $base)+1,2);
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}
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/* Functions to write ini files */
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function write_php_ini($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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/**
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*
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* Add CSRF Token to form
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*
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*/
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function CSRFToken() {
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?>
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<input type="hidden" name="csrf_token" value="<?php echo $_SESSION['csrf_token']; ?>" />
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<?php
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}
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/**
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*
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* Validate CSRF Token
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*
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*/
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function CSRFValidate() {
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if ( hash_equals($_POST['csrf_token'], $_SESSION['csrf_token']) ) {
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return true;
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} else {
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error_log('CSRF violation');
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return false;
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}
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}
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/**
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* Test whether array is associative
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*/
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function isAssoc($arr) {
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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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*
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* Display a selector field for a form. Arguments are:
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* $name: Field name
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* $options: Array of options
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* $selected: Selected option (optional)
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* If $options is an associative array this should be the key
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*
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*/
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function SelectorOptions($name, $options, $selected = null) {
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echo "<select class=\"form-control\" name=\"$name\">";
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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";
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}
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echo "<option value=\"$key\"$select>$label</options>";
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}
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echo "</select>";
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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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$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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* @param array $arrConfig
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* @return $config
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*/
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function ParseConfig( $arrConfig ) {
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$config = array();
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foreach( $arrConfig as $line ) {
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$line = trim($line);
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if( $line != "" && $line[0] != "#" ) {
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$arrLine = explode( "=",$line );
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$config[$arrLine[0]] = ( count($arrLine) > 1 ? $arrLine[1] : true );
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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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* @param string $freq
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* @return $channel
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*/
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function ConvertToChannel( $freq ) {
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$channel = ($freq - 2407)/5;
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if ($channel > 0 && $channel < 14) {
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return $channel;
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} else {
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return 'Invalid Channel';
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}
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}
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/**
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* Converts WPA security string to readable format
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* @param string $security
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* @return string
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*/
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function ConvertToSecurity( $security ) {
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$options = array();
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preg_match_all('/\[([^\]]+)\]/s', $security, $matches);
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foreach($matches[1] as $match) {
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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[] = $protocol . ' ('. $matchArr[2] .')';
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} else {
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$options[] = $protocol;
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}
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}
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}
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if (count($options) === 0) {
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// This could also be WEP but wpa_supplicant doesn't have a way to determine
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// this.
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// And you shouldn't be using WEP these days anyway.
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return 'Open';
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} else {
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return implode('<br />', $options);
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}
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}
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/**
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*
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*
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*/
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function DisplayOpenVPNConfig() {
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exec( 'cat '. RASPI_OPENVPN_CLIENT_CONFIG, $returnClient );
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exec( 'cat '. RASPI_OPENVPN_SERVER_CONFIG, $returnServer );
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exec( 'pidof openvpn | wc -l', $openvpnstatus);
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if( $openvpnstatus[0] == 0 ) {
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$status = '<div class="alert alert-warning alert-dismissable">OpenVPN is not running
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<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
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} else {
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$status = '<div class="alert alert-success alert-dismissable">OpenVPN is running
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<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
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}
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// parse client settings
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foreach( $returnClient as $a ) {
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if( $a[0] != "#" ) {
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$arrLine = explode( " ",$a) ;
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$arrClientConfig[$arrLine[0]]=$arrLine[1];
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}
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}
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// parse server settings
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foreach( $returnServer as $a ) {
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if( $a[0] != "#" ) {
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$arrLine = explode( " ",$a) ;
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$arrServerConfig[$arrLine[0]]=$arrLine[1];
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}
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}
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?>
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<div class="row">
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<div class="col-lg-12">
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<div class="panel panel-primary">
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<div class="panel-heading"><i class="fa fa-lock fa-fw"></i> Configure OpenVPN
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</div>
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<!-- /.panel-heading -->
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<div class="panel-body">
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<!-- Nav tabs -->
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<ul class="nav nav-tabs">
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<li class="active"><a href="#openvpnclient" data-toggle="tab">Client settings</a>
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</li>
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<li><a href="#openvpnserver" data-toggle="tab">Server settings</a>
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</li>
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</ul>
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<!-- Tab panes -->
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<div class="tab-content">
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<p><?php echo $status; ?></p>
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<div class="tab-pane fade in active" id="openvpnclient">
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<h4>Client settings</h4>
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<form role="form" action="?page=save_hostapd_conf" method="POST">
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<div class="row">
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<div class="form-group col-md-4">
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<label>Select OpenVPN configuration file (.ovpn)</label>
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<input type="file" name="openvpn-config">
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Client Log</label>
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<input type="text" class="form-control" id="disabledInput" name="log-append" type="text" placeholder="<?php echo $arrClientConfig['log-append']; ?>" disabled />
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</div>
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</div>
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</div>
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<div class="tab-pane fade" id="openvpnserver">
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<h4>Server settings</h4>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Port</label>
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<input type="text" class="form-control" name="openvpn_port" value="<?php echo $arrServerConfig['port'] ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Protocol</label>
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<input type="text" class="form-control" name="openvpn_proto" value="<?php echo $arrServerConfig['proto'] ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Root CA certificate</label>
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<input type="text" class="form-control" name="openvpn_rootca" placeholder="<?php echo $arrServerConfig['ca']; ?>" disabled />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Server certificate</label>
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<input type="text" class="form-control" name="openvpn_cert" placeholder="<?php echo $arrServerConfig['cert']; ?>" disabled />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Diffie Hellman parameters</label>
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<input type="text" class="form-control" name="openvpn_dh" placeholder="<?php echo $arrServerConfig['dh']; ?>" disabled />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">KeepAlive</label>
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<input type="text" class="form-control" name="openvpn_keepalive" value="<?php echo $arrServerConfig['keepalive']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Server log</label>
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<input type="text" class="form-control" name="openvpn_status" placeholder="<?php echo $arrServerConfig['status']; ?>" disabled />
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</div>
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</div>
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</div>
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<input type="submit" class="btn btn-outline btn-primary" name="SaveOpenVPNSettings" value="Save settings" />
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<?php
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if($hostapdstatus[0] == 0) {
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echo '<input type="submit" class="btn btn-success" name="StartOpenVPN" value="Start OpenVPN" />';
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} else {
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echo '<input type="submit" class="btn btn-warning" name="StopOpenVPN" value="Stop OpenVPN" />';
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}
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?>
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</form>
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</div><!-- /.panel-body -->
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</div><!-- /.panel-primary -->
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<div class="panel-footer"> Information provided by openvpn</div>
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</div><!-- /.col-lg-12 -->
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</div><!-- /.row -->
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<?php
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}
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/**
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*
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*
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*/
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function DisplayTorProxyConfig(){
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exec( 'cat '. RASPI_TORPROXY_CONFIG, $return );
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exec( 'pidof tor | wc -l', $torproxystatus);
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if( $torproxystatus[0] == 0 ) {
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$status = '<div class="alert alert-warning alert-dismissable">TOR is not running
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<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
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} else {
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$status = '<div class="alert alert-success alert-dismissable">TOR is running
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<button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
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}
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foreach( $return as $a ) {
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if( $a[0] != "#" ) {
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$arrLine = explode( " ",$a) ;
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$arrConfig[$arrLine[0]]=$arrLine[1];
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}
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}
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?>
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<div class="row">
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<div class="col-lg-12">
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<div class="panel panel-primary">
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<div class="panel-heading"><i class="fa fa-eye-slash fa-fw"></i> Configure TOR proxy
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</div>
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<!-- /.panel-heading -->
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<div class="panel-body">
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<!-- Nav tabs -->
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<ul class="nav nav-tabs">
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<li class="active"><a href="#basic" data-toggle="tab">Basic</a>
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</li>
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<li><a href="#relay" data-toggle="tab">Relay</a>
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</li>
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</ul>
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<!-- Tab panes -->
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<div class="tab-content">
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<p><?php echo $status; ?></p>
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<div class="tab-pane fade in active" id="basic">
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<h4>Basic settings</h4>
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<form role="form" action="?page=save_hostapd_conf" method="POST">
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">VirtualAddrNetwork</label>
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<input type="text" class="form-control" name="virtualaddrnetwork" value="<?php echo $arrConfig['VirtualAddrNetwork']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">AutomapHostsSuffixes</label>
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<input type="text" class="form-control" name="automaphostssuffixes" value="<?php echo $arrConfig['AutomapHostsSuffixes']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">AutomapHostsOnResolve</label>
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<input type="text" class="form-control" name="automaphostsonresolve" value="<?php echo $arrConfig['AutomapHostsOnResolve']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">TransListenAddress</label>
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<input type="text" class="form-control" name="translistenaddress" value="<?php echo $arrConfig['TransListenAddress']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">DNSPort</label>
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<input type="text" class="form-control" name="dnsport" value="<?php echo $arrConfig['DNSPort']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">DNSListenAddress</label>
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<input type="text" class="form-control" name="dnslistenaddress" value="<?php echo $arrConfig['DNSListenAddress']; ?>" />
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</div>
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</div>
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</div>
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<div class="tab-pane fade" id="relay">
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<h4>Relay settings</h4>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">ORPort</label>
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<input type="text" class="form-control" name="orport" value="<?php echo $arrConfig['ORPort']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">ORListenAddress</label>
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<input type="text" class="form-control" name="orlistenaddress" value="<?php echo $arrConfig['ORListenAddress']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Nickname</label>
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<input type="text" class="form-control" name="nickname" value="<?php echo $arrConfig['Nickname']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">Address</label>
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<input type="text" class="form-control" name="address" value="<?php echo $arrConfig['Address']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">RelayBandwidthRate</label>
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<input type="text" class="form-control" name="relaybandwidthrate" value="<?php echo $arrConfig['RelayBandwidthRate']; ?>" />
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</div>
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</div>
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<div class="row">
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<div class="form-group col-md-4">
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<label for="code">RelayBandwidthBurst</label>
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<input type="text" class="form-control" name="relaybandwidthburst" value="<?php echo $arrConfig['RelayBandwidthBurst']; ?>" />
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</div>
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</div>
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</div>
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<input type="submit" class="btn btn-outline btn-primary" name="SaveTORProxySettings" value="Save settings" />
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<?php
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if( $torproxystatus[0] == 0 ) {
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echo '<input type="submit" class="btn btn-success" name="StartTOR" value="Start TOR" />';
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} else {
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echo '<input type="submit" class="btn btn-warning" name="StopTOR" value="Stop TOR" />';
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};
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?>
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</form>
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</div><!-- /.tab-content -->
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</div><!-- /.panel-body -->
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<div class="panel-footer"> Information provided by tor</div>
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</div><!-- /.panel-primary -->
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</div><!-- /.col-lg-12 -->
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</div><!-- /.row -->
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<?php
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}
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/**
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*
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*
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*/
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function SaveTORAndVPNConfig(){
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if( isset($_POST['SaveOpenVPNSettings']) ) {
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// TODO
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} elseif( isset($_POST['SaveTORProxySettings']) ) {
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// TODO
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} elseif( isset($_POST['StartOpenVPN']) ) {
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echo "Attempting to start openvpn";
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exec( 'sudo /etc/init.d/openvpn start', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StopOpenVPN']) ) {
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echo "Attempting to stop openvpn";
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exec( 'sudo /etc/init.d/openvpn stop', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StartTOR']) ) {
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echo "Attempting to start TOR";
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exec( 'sudo /etc/init.d/tor start', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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} elseif( isset($_POST['StopTOR']) ) {
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echo "Attempting to stop TOR";
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exec( 'sudo /etc/init.d/tor stop', $return );
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foreach( $return as $line ) {
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echo $line."<br />";
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}
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}
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}
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?>
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