<?php
/**
*
*
*/
function DisplayWPAConfig(){
$status = new StatusMessages();
$scanned_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') {
$network['protocol'] = 'Open';
}
break;
}
}
}
}
if ( isset($_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
);
}
}
$ok = true;
foreach($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);
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 $line) {
fwrite($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 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 {
$status->addMessage('Failed to updated wifi settings', 'danger');
}
}
exec( 'sudo wpa_cli scan' );
sleep(3);
exec( 'sudo wpa_cli scan_results',$scan_return );
for( $shift = 0; $shift < 2; $shift++ ) {
array_shift($scan_return);
}
// display output
foreach( $scan_return as $network ) {
$arrNetwork = preg_split("/[\t]+/",$network);
if (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 wlan0', $iwconfig_return );
foreach ($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> Configure client</div>
<!-- /.panel-heading -->
<div class="panel-body">
<p><?php $status->showMessages(); ?></p>
<h4>Client settings</h4>
<div class="btn-group btn-block">
<a href=".?<?php echo $_SERVER['QUERY_STRING']; ?>" style="padding:10px;float: right;display: block;position: relative;margin-top: -55px;" class="col-md-2 btn btn-info" id="update">Rescan</a>
</div>
<form method="POST" action="?page=wpa_conf" name="wpa_conf_form">
<?php CSRFToken() ?>
<input type="hidden" name="client_settings" ?>
<table class="table table-responsive table-striped">
<tr>
<th></th>
<th>SSID</th>
<th>Channel</th>
<th>Security</th>
<th>Passphrase</th>
<th></th>
</tr>
<?php $index = 0; ?>
<?php foreach ($networks as $ssid => $network) { ?>
<tr>
<td>
<?php if ($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 } ?>
</td>
<td>
<input type="hidden" name="ssid<?php echo $index ?>" value="<?php echo htmlentities($ssid) ?>" />
<?php echo $ssid ?>
</td>
<?php if ($network['visible']) { ?>
<td><?php echo $network['channel'] ?></td>
<?php } else { ?>
<td><span class="label label-warning">X</span></td>
<?php } ?>
<td><input type="hidden" name="protocol<?php echo $index ?>" value="<?php echo $network['protocol'] ?>" /><?php echo $network['protocol'] ?></td>
<?php if ($network['protocol'] === 'Open') { ?>
<td><input type="hidden" name="passphrase<?php echo $index ?>" value="" />---</td>
<?php } else { ?>
<td><input type="text" class="form-control" name="passphrase<?php echo $index ?>" value="<?php echo $network['passphrase'] ?>" onKeyUp="CheckPSK(this, 'update<?php echo $index?>')" />
<?php } ?>
<td>
<div class="btn-group btn-block">
<?php if ($network['configured']) { ?>
<input type="submit" class="col-md-6 btn btn-warning" value="Update" id="update<?php echo $index ?>" name="update<?php echo $index ?>"<?php echo ($network['protocol'] === 'Open' ? ' disabled' : '')?> />
<?php } else { ?>
<input type="submit" class="col-md-6 btn btn-info" value="Add" id="update<?php echo $index ?>" name="update<?php echo $index ?>" <?php echo ($network['protocol'] === 'Open' ? '' : ' disabled')?> />
<?php } ?>
<input type="submit" class="col-md-6 btn btn-danger" value="Delete" name="delete<?php echo $index ?>"<?php echo ($network['configured'] ? '' : ' disabled')?> />
</div>
</td>
</tr>
<?php $index += 1; ?>
<?php } ?>
</table>
</form>
</div><!-- ./ Panel body -->
<div class="panel-footer"><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
}
?>