<?php
include_once( 'includes/status_messages.php' );
/**
*
*
*/
function DisplayHostAPDConfig(){
$status = new StatusMessages();
$arrConfig = array();
$arrChannel = array('a','b','g');
$arrSecurity = array( 1 => 'WPA', 2 => 'WPA2',3=> 'WPA+WPA2');
$arrEncType = array('TKIP' => 'TKIP', 'CCMP' => 'CCMP', 'TKIP CCMP' => 'TKIP+CCMP');
exec("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
if( isset($_POST['SaveHostAPDSettings']) ) {
if (CSRFValidate()) {
SaveHostAPDConfig($arrSecurity, $arrEncType, $arrChannel, $interfaces, $status);
} else {
error_log('CSRF violation');
}
} elseif( isset($_POST['StartHotspot']) ) {
if (CSRFValidate()) {
$status->addMessage('Attempting to start hotspot', 'info');
exec( 'sudo /etc/init.d/hostapd start', $return );
foreach( $return as $line ) {
$status->addMessage($line, 'info');
}
} else {
error_log('CSRF violation');
}
} elseif( isset($_POST['StopHotspot']) ) {
if (CSRFValidate()) {
$status->addMessage('Attempting to stop hotspot', 'info');
exec( 'sudo /etc/init.d/hostapd stop', $return );
foreach( $return as $line ) {
$status->addMessage($line, 'info');
}
} else {
error_log('CSRF violation');
}
}
exec( 'cat '. RASPI_HOSTAPD_CONFIG, $return );
exec( 'pidof hostapd | wc -l', $hostapdstatus);
if( $hostapdstatus[0] == 0 ) {
$status->addMessage('HostAPD is not running', 'warning');
} else {
$status->addMessage('HostAPD is running', 'success');
}
foreach( $return as $a ) {
if( $a[0] != "#" ) {
$arrLine = explode( "=",$a) ;
$arrConfig[$arrLine[0]]=$arrLine[1];
}
};
?>
< div class = "row" >
< div class = "col-lg-12" >
< div class = "panel panel-primary" >
< div class = "panel-heading" > < i class = "fa fa-dot-circle-o fa-fw" > < / i > Configure hotspot< / div >
<!-- /.panel - heading -->
< div class = "panel-body" >
< form role = "form" action = "/?page=hostapd_conf" method = "POST" >
<!-- Nav tabs -->
< ul class = "nav nav-tabs" >
< li class = "active" > < a href = "#basic" data-toggle = "tab" > Basic< / a > < / li >
< li > < a href = "#security" data-toggle = "tab" > Security< / a > < / li >
< li > < a href = "#advanced" data-toggle = "tab" > Advanced< / a > < / li >
< / ul >
<!-- Tab panes -->
< div class = "tab-content" >
< p > <?php $status -> showMessages (); ?> </ p >
< div class = "tab-pane fade in active" id = "basic" >
< h4 > Basic settings< / h4 >
<?php CSRFToken () ?>
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > Interface< / label >
<?php
SelectorOptions('interface', $interfaces, $arrConfig['interface']);
?>
< / div >
< / div >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > SSID< / label >
< input type = "text" class = "form-control" name = "ssid" value = " <?php echo $arrConfig [ 'ssid' ]; ?> " />
< / div >
< / div >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > Wireless Mode< / label >
<?php SelectorOptions ( 'hw_mode' , $arrChannel , $arrConfig [ 'hw_mode' ]); ?>
< / div >
< / div >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > Channel< / label >
<?php SelectorOptions ( 'channel' , range ( 1 , 14 ), intval ( $arrConfig [ 'channel' ])) ?>
< / div >
< / div >
< / div >
< div class = "tab-pane fade" id = "security" >
< h4 > Security settings< / h4 >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > Security type< / label >
<?php SelectorOptions ( 'wpa' , $arrSecurity , $arrConfig [ 'wpa' ]); ?>
< / div >
< / div >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > Encryption Type< / label >
<?php SelectorOptions ( 'wpa_pairwise' , $arrEncType , $arrConfig [ 'wpa_pairwise' ]); ?>
< / div >
< / div >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > PSK< / label >
< input type = "text" class = "form-control" name = "wpa_passphrase" value = " <?php echo $arrConfig [ 'wpa_passphrase' ] ?> " />
< / div >
< / div >
< / div >
< div class = "tab-pane fade" id = "advanced" >
< h4 > Advanced settings< / h4 >
< div class = "row" >
< div class = "form-group col-md-4" >
< label for = "code" > Country Code< / label >
< input type = "text" class = "form-control" name = "country_code" value = " <?php echo $arrConfig [ 'country_code' ] ?> " />
< / div >
< / div >
< / div > <!-- ./ Panel body -->
< input type = "submit" class = "btn btn-outline btn-primary" name = "SaveHostAPDSettings" value = "Save settings" / >
<?php
if($hostapdstatus[0] == 0) {
echo '< input type = "submit" class = "btn btn-success" name = "StartHotspot" value = "Start hotspot" / > ';
} else {
echo '< input type = "submit" class = "btn btn-warning" name = "StopHotspot" value = "Stop hotspot" / > ';
};
?>
< / form >
< / div > <!-- /.panel - primary -->
< div class = "panel-footer" > Information provided by hostapd< / div >
< / div > <!-- /.col - lg - 12 -->
< / div > <!-- /.row -->
<?php
}
function SaveHostAPDConfig($wpa_array, $enc_types, $modes, $interfaces, $status) {
// It should not be possible to send bad data for these fields so clearly
// someone is up to something if they fail. Fail silently.
if (!(array_key_exists($_POST['wpa'], $wpa_array) & & array_key_exists($_POST['wpa_pairwise'], $enc_types) & & in_array($_POST['hw_mode'], $modes))) {
error_log("Attempting to set hostapd config with wpa='".$_POST['wpa']."', wpa_pairwise='".$_POST['wpa_pairwise']."' and hw_mode='".$_POST['hw_mode']."'");
return false;
}
if ((!filter_var($_POST['channel'], FILTER_VALIDATE_INT)) || intval($_POST['channel']) < 1 | | intval ( $ _POST [ ' channel ' ] ) > 14) {
error_log("Attempting to set channel to '".$_POST['channel']."'");
return false;
}
$good_input = true;
// Verify input
if (strlen($_POST['ssid']) == 0 || strlen($_POST['ssid']) > 32) {
// Not sure of all the restrictions of SSID
$status->addMessage('SSID must be between 1 and 32 characters', 'danger');
$good_input = false;
}
if (strlen($_POST['wpa_passphrase']) < 8 | | strlen ( $ _POST [ ' wpa_passphrase ' ] ) > 63) {
$status->addMessage('WPA passphrase must be between 8 and 63 characters', 'danger');
$good_input = false;
}
if (! in_array($_POST['interface'], $interfaces)) {
// The user is probably up to something here but it may also be a
// genuine error.
$status->addMessage('Unknown interface '.$_POST['interface'], 'danger');
$good_input = false;
}
if (strlen($_POST['country_code']) != 0 & & strlen($_POST['country_code']) != 2) {
$status->addMessage('Country code must be blank or two characters', 'danger');
$good_input = false;
}
if ($good_input) {
if ($tmp_file = fopen('/tmp/hostapddata', 'w')) {
// Fixed values
fwrite($tmp_file, 'driver=nl80211'.PHP_EOL);
fwrite($tmp_file, 'ctrl_interface='.RASPI_HOSTAPD_CTRL_INTERFACE.PHP_EOL);
fwrite($tmp_file, 'ctrl_interface_group=0'.PHP_EOL);
fwrite($tmp_file, 'beacon_int=100'.PHP_EOL);
fwrite($tmp_file, 'auth_algs=1'.PHP_EOL);
fwrite($tmp_file, 'wpa_key_mgmt=WPA-PSK'.PHP_EOL);
fwrite($tmp_file, 'ssid='.$_POST['ssid'].PHP_EOL);
fwrite($tmp_file, 'channel='.$_POST['channel'].PHP_EOL);
fwrite($tmp_file, 'hw_mode='.$_POST['hw_mode'].PHP_EOL);
fwrite($tmp_file, 'wpa_passphrase='.$_POST['wpa_passphrase'].PHP_EOL);
fwrite($tmp_file, 'interface='.$_POST['interface'].PHP_EOL);
fwrite($tmp_file, 'wpa='.$_POST['wpa'].PHP_EOL);
fwrite($tmp_file, 'wpa_pairwise='.$_POST['wpa_pairwise'].PHP_EOL);
fwrite($tmp_file, 'country_code='.$_POST['country_code'].PHP_EOL);
fclose($tmp_file);
system( "sudo cp /tmp/hostapddata " . RASPI_HOSTAPD_CONFIG, $return );
if( $return == 0 ) {
$status->addMessage('Wifi Hotspot settings saved', 'success');
} else {
$status->addMessage('Unable to save wifi hotspot settings', 'danger');
}
} else {
$status->addMessage('Unable to save wifi hotspot settings', 'danger');
return false;
}
}
return true;
}
?>
