<?php
/**
*
*
*/
function DisplayWPAConfig(){
$status = new StatusMessages();
$networks = array();
// Find currently configured networks
exec(' sudo cat ' . RASPI_WPA_SUPPLICANT_CONFIG, $known_return);
$network = null;
$ssid = null;
foreach($known_return as $line) {
if (preg_match('/network\s*=/', $line)) {
$network = array('visible' => false, 'configured' => true, 'connected' => false);
} elseif ($network !== null) {
if (preg_match('/^\s*}\s*$/', $line)) {
$networks[$ssid] = $network;
$network = null;
$ssid = null;
} elseif ($lineArr = preg_split('/\s*=\s*/', trim($line))) {
switch(strtolower($lineArr[0])) {
case 'ssid':
$ssid = trim($lineArr[1], '"');
break;
case 'psk':
if (array_key_exists('passphrase', $network)) {
break;
}
case '#psk':
$network['protocol'] = 'WPA';
case 'wep_key0': // Untested
$network['passphrase'] = trim($lineArr[1], '"');
break;
case 'key_mgmt':
if (! array_key_exists('passphrase', $network) & & $lineArr[1] === 'NONE') {
$network['protocol'] = 'Open';
}
break;
case 'priority':
$network['priority'] = trim($lineArr[1], '"');
break;
}
}
}
}
if ( isset($_POST['connect']) ) {
$result = 0;
exec ( 'sudo wpa_cli -i ' . RASPI_WPA_CTRL_INTERFACE . ' select_network '.strval($_POST['connect'] ));
}
else if ( isset($_POST['client_settings']) & & CSRFValidate() ) {
$tmp_networks = $networks;
if ($wpa_file = fopen('/tmp/wifidata', 'w')) {
fwrite($wpa_file, 'ctrl_interface=DIR=' . RASPI_WPA_CTRL_INTERFACE . ' GROUP=netdev' . PHP_EOL);
fwrite($wpa_file, 'update_config=1' . PHP_EOL);
foreach(array_keys($_POST) as $post) {
if (preg_match('/delete(\d+)/', $post, $post_match)) {
unset($tmp_networks[$_POST['ssid' . $post_match[1]]]);
} elseif (preg_match('/update(\d+)/', $post, $post_match)) {
// NB, at the moment, the value of protocol from the form may
// contain HTML line breaks
$tmp_networks[$_POST['ssid' . $post_match[1]]] = array(
'protocol' => ( $_POST['protocol' . $post_match[1]] === 'Open' ? 'Open' : 'WPA' ),
'passphrase' => $_POST['passphrase' . $post_match[1]],
'configured' => true
);
if (array_key_exists('priority' . $post_match[1], $_POST)) {
$tmp_networks[$_POST['ssid' . $post_match[1]]]['priority'] = $_POST['priority' . $post_match[1]];
}
}
}
$ok = true;
foreach($tmp_networks as $ssid => $network) {
if ($network['protocol'] === 'Open') {
fwrite($wpa_file, "network={".PHP_EOL);
fwrite($wpa_file, "\tssid=\"".$ssid."\"".PHP_EOL);
fwrite($wpa_file, "\tkey_mgmt=NONE".PHP_EOL);
if (array_key_exists('priority', $network)) {
fwrite($wpa_file, "\tpriority=".$network['priority'].PHP_EOL);
}
fwrite($wpa_file, "}".PHP_EOL);
} else {
if (strlen($network['passphrase']) >=8 & & strlen($network['passphrase']) < = 63) {
unset($wpa_passphrase);
unset($line);
exec( 'wpa_passphrase '.escapeshellarg($ssid). ' ' . escapeshellarg($network['passphrase']),$wpa_passphrase );
foreach($wpa_passphrase as $line) {
if (preg_match('/^\s*}\s*$/', $line)) {
if (array_key_exists('priority', $network)) {
fwrite($wpa_file, "\tpriority=".$network['priority'].PHP_EOL);
}
fwrite($wpa_file, $line.PHP_EOL);
} else {
fwrite($wpa_file, $line.PHP_EOL);
}
}
} else {
$status->addMessage('WPA passphrase must be between 8 and 63 characters', 'danger');
$ok = false;
}
}
}
if ($ok) {
system( 'sudo cp /tmp/wifidata ' . RASPI_WPA_SUPPLICANT_CONFIG, $returnval );
if( $returnval == 0 ) {
exec('sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' reconfigure', $reconfigure_out, $reconfigure_return );
if ($reconfigure_return == 0) {
$status->addMessage('Wifi settings updated successfully', 'success');
$networks = $tmp_networks;
} else {
$status->addMessage('Wifi settings updated but cannot restart (cannon execute "wpa_cli reconfigure")', 'danger');
}
} else {
$status->addMessage('Wifi settings failed to be updated', 'danger');
}
}
} else {
$status->addMessage('Failed to updated wifi settings', 'danger');
}
}
exec( 'sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' scan' );
sleep(3);
exec( 'sudo wpa_cli -i ' . RASPI_WIFI_CLIENT_INTERFACE . ' scan_results',$scan_return );
for( $shift = 0; $shift < 2 ; $ shift + + ) {
array_shift($scan_return);
}
// display output
foreach( $scan_return as $network ) {
$arrNetwork = preg_split("/[\t]+/",$network); // split result into array
// Save RSSI
if (array_key_exists(4, $arrNetwork)) {
$networks[$arrNetwork[4]]['RSSI'] = $arrNetwork[2];
}
// If network is saved
if (array_key_exists(4, $arrNetwork) & & array_key_exists($arrNetwork[4], $networks)) {
$networks[$arrNetwork[4]]['visible'] = true;
$networks[$arrNetwork[4]]['channel'] = ConvertToChannel($arrNetwork[1]);
// TODO What if the security has changed?
} else {
$networks[$arrNetwork[4]] = array(
'configured' => false,
'protocol' => ConvertToSecurity($arrNetwork[3]),
'channel' => ConvertToChannel($arrNetwork[1]),
'passphrase' => '',
'visible' => true,
'connected' => false
);
}
}
exec( 'iwconfig ' . RASPI_WIFI_CLIENT_INTERFACE, $iwconfig_return );
foreach ($iwconfig_return as $line) {
if (preg_match( '/ESSID:\"([^"]+)\"/i',$line,$iwconfig_ssid )) {
$networks[$iwconfig_ssid[1]]['connected'] = true;
}
}
?>
< div class = "row" >
< div class = "col-lg-12" >
< div class = "panel panel-primary" >
< div class = "panel-heading" >< i class = "fa fa-signal fa-fw" ></ i > <?php echo _ ( "Configure client" ); ?> </ div >
<!-- /.panel - heading -->
< div class = "panel-body" >
< p > <?php $status -> showMessages (); ?> </ p >
< h4 > <?php echo _ ( "Client settings" ); ?> </ h4 >
< div class = "btn-group btn-block" >
< a href = ".? <?php echo htmlspecialchars ( $_SERVER [ 'QUERY_STRING' ], ENT_QUOTES ); ?> " style = "padding:10px;float: right;display: block;position: relative;margin-top: -55px;" class = "col-md-2 btn btn-info" id = "update" > <?php echo _ ( "Rescan" ); ?> </ a >
< / div >
< form method = "POST" action = "?page=wpa_conf" name = "wpa_conf_form" >
<?php CSRFToken () ?>
< input type = "hidden" name = "client_settings" ? >
< script >
function showPassword(index) {
var x = document.getElementsByName("passphrase"+index)[0];
if (x.type === "password") {
x.type = "text";
} else {
x.type = "password";
}
}
< / script >
<?php $index = 0 ; ?>
<?php foreach ( $networks as $ssid => $network ) { ?>
< div class = "col-md-6" >
< div class = "panel panel-default" >
< div class = "panel-body" >
< input type = "hidden" name = "ssid <?php echo $index ?> " value = " <?php echo htmlentities ( $ssid , ENT_QUOTES ) ?> " />
< h4 > <?php echo htmlspecialchars ( $ssid , ENT_QUOTES ); ?> </ h4 >
< div class = "row" >
< div class = "col-xs-4 col-md-4" > Status< / div >
< div class = "col-xs-4 col-md-4" >
<?php if ( $network [ 'configured' ]) { ?>
< i class = "fa fa-check-circle fa-fw" > < / i >
<?php } ?>
<?php if ( $network [ 'connected' ]) { ?>
< i class = "fa fa-exchange fa-fw" > < / i >
<?php } ?>
< / div >
< / div >
< div class = "row" >
< div class = "col-xs-4 col-md-4" > Channel< / div >
< div class = "col-xs-4 col-md-4" >
<?php if ( $network [ 'visible' ]) { ?>
<?php echo htmlspecialchars ( $network [ 'channel' ], ENT_QUOTES ) ?>
<?php } else { ?>
< span class = "label label-warning" > X < / span >
<?php } ?>
< / div >
< / div >
< div class = "row" >
< div class = "col-xs-4 col-md-4" > RSSI< / div >
< div class = "col-xs-4 col-md-4" >
<?php echo htmlspecialchars ( $network [ 'RSSI' ], ENT_QUOTES );
echo "dB (";
if($network['RSSI'] >= -50) { echo 100; }
else if($network['RSSI'] < = -100) { echo 0;}
else {echo 2*($network['RSSI'] + 100); }
echo "%)";
?>
< / div >
< / div >
<?php if ( array_key_exists ( 'priority' , $network )) { ?>
< input type = "hidden" name = "priority <?php echo $index ?> " value = " <?php echo htmlspecialchars ( $network [ 'priority' ], ENT_QUOTES ); ?> " />
<?php } ?>
< input type = "hidden" name = "protocol <?php echo $index ?> " value = " <?php echo htmlspecialchars ( $network [ 'protocol' ], ENT_QUOTES ); ?> " />
< div class = "row" >
< div class = "col-xs-4 col-md-4" > Security< / div >
< div class = "col-xs-4 col-md-4" > <?php echo $network [ 'protocol' ] ?> </ div >
< / div >
< div class = "form-group" >
< div class = "input-group col-xs-12 col-md-12" >
< span class = "input-group-addon" id = "passphrase" > Passphrase< / span >
<?php if ( $network [ 'protocol' ] === 'Open' ) { ?>
< input type = "hidden" name = "passphrase <?php echo $index ?> " value = "" /> ---
<?php } else { ?>
< input type = "password" class = "form-control" aria-describedby = "passphrase" name = "passphrase <?php echo $index ?> " value = " <?php echo $network [ 'passphrase' ] ?> " onKeyUp = "CheckPSK(this, 'update <?php echo $index ?> ')" >
< span class = "input-group-btn" >
< button class = "btn btn-default" onclick = "showPassword( <?php echo $index ; ?> )" type = "button" > Show</ button >
< / span >
<?php } ?>
< / div >
< / div >
< div class = "btn-group btn-block " >
<?php if ( $network [ 'configured' ]) { ?>
< input type = "submit" class = "col-xs-4 col-md-4 btn btn-warning" value = " <?php echo _ ( "Update" ); ?> " id = "update <?php echo $index ?> " name = "update <?php echo $index ?> " <?php echo ( $network [ 'protocol' ] === 'Open' ? ' disabled' : '' ) ?> />
< button type = "submit" class = "col-xs-4 col-md-4 btn btn-info" value = " <?php echo $index ?> " > <?php echo _ ( "Connect" ); ?> </ button >
<?php } else { ?>
< input type = "submit" class = "col-xs-4 col-md-4 btn btn-info" value = " <?php echo _ ( "Add" ); ?> " id = "update <?php echo $index ?> " name = "update <?php echo $index ?> " <?php echo ( $network [ 'protocol' ] === 'Open' ? '' : ' disabled' ) ?> />
<?php } ?>
< input type = "submit" class = "col-xs-4 col-md-4 btn btn-danger" value = " <?php echo _ ( "Delete" ); ?> " name = "delete <?php echo $index ?> " <?php echo ( $network [ 'configured' ] ? '' : ' disabled' ) ?> />
< / div > <!-- /.btn - group -->
< / div > <!-- /.panel - body -->
< / div > <!-- /.panel - default -->
< / div > <!-- /.col - md - 6 -->
<?php $index += 1 ; ?>
<?php } ?>
< / form >
< / div > <!-- ./ Panel body -->
< div class = "panel-footer" > <?php echo _ ( "<strong>Note:</strong> WEP access points appear as 'Open'. RaspAP does not currently support connecting to WEP" ); ?> </ div >
< / div > <!-- /.panel - primary -->
< / div > <!-- /.col - lg - 12 -->
< / div > <!-- /.row -->
<?php
}
?>