raspap-webgui/includes/configure_client.php

<?php

/**
*
*
*/
function DisplayWPAConfig(){
  $status = '';
  ?>
  <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">
              <?php echo $status; ?>
                <h4>Client settings</h4>
          <div class="row">
            <div class="col-lg-12">

          <?php   
          // save WPA settings
          if( isset($_POST['SaveWPAPSKSettings']) ) {

            $config = 'ctrl_interface=DIR='. RASPI_WPA_CTRL_INTERFACE .' GROUP=netdev
update_config=1
';
            $networks = $_POST['Networks'];
            for( $x = 0; $x < $networks; $x++ ) {
              $network = '';
              $ssid = escapeshellarg( $_POST['ssid'.$x] );
              $psk = escapeshellarg( $_POST['psk'.$x] );

              if ( strlen($psk) >2 ) {  
                exec( 'wpa_passphrase '.$ssid. ' ' . $psk,$network );
                foreach($network as $b) {
        $config .= "$b
";
                }
              }
            }
            exec( "echo '$config' > /tmp/wifidata", $return );
            system( 'sudo cp /tmp/wifidata ' . RASPI_WPA_SUPPLICANT_CONFIG, $returnval );
            if( $returnval == 0 ) {
              echo '<div class="alert alert-success alert-dismissable">Wifi settings updated successfully
                  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
            } else {
              echo '<div class="alert alert-danger alert-dismissable">Wifi settings failed to be updated
                  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
            }

          // scan networks
          } elseif( isset($_POST['Scan']) ) {
            $return = '';
            exec( 'sudo wpa_cli scan',$return );
            sleep(3);
            exec( 'sudo wpa_cli scan_results',$return );
            for( $shift = 0; $shift < 4; $shift++ ) {
              array_shift($return);
            }
            // display output
            echo '<form method="POST" action="?page=wpa_conf" id="wpa_conf_form"><input type="hidden" id="Networks" name="Networks" /><div class="network" id="networkbox"></div>';
            echo '<div class="row"><div class="col-lg-6"><input type="submit" class="btn btn-primary" value="Scan for networks" name="Scan" /> <input type="button" class="btn btn-primary" value="Add network" onClick="AddNetwork();" /> <input type="submit" class="btn btn-primary" value="Save" name="SaveWPAPSKSettings" onmouseover="UpdateNetworks(this)" id="Save" disabled /></div></div>';
            echo '<h4>Networks found</h4><div class="table-responsive"><table class="table table-hover">';
            echo '<thead><tr><th></th><th>SSID</th><th>Channel</th><th>Signal</th><th>Security</th></tr></thead><tbody>';
            foreach( $return as $network ) {
              $arrNetwork = preg_split("/[\t]+/",$network);
              $bssid = $arrNetwork[0];
              $channel = ConvertToChannel($arrNetwork[1]);
              $signal = $arrNetwork[2] . " dBm";
              $security = $arrNetwork[3];
              $ssid = $arrNetwork[4];
              echo '<tr><td><input type="button" class="btn btn-outline btn-primary" value="Connect" onClick="AddScanned(\''.$ssid.'\')" /></td> <td><strong>' . $ssid . "</strong></td> <td>" . $channel . "</td><td>" . $signal . "</td><td>". ConvertToSecurity($security) ."</td></tr>";
            }
            echo '</tbody></table>';

          } else {

            // default action, output configured network(s)
            exec(' sudo cat ' . RASPI_WPA_SUPPLICANT_CONFIG, $return);
            $ssid = array();
            $psk = array();

            foreach($return as $a) {
              if(preg_match('/SSID/i',$a)) {
                $arrssid = explode("=",$a);
                $ssid[] = str_replace('"','',$arrssid[1]);
              }
              if(preg_match('/psk/i',$a)) {
                $arrpsk = explode("=",$a);
                $psk[] = str_replace('"','',$arrpsk[1]);
              }
            }

            $numSSIDs = count($ssid);
            $output = '<form method="POST" action="?page=wpa_conf" id="wpa_conf_form"><input type="hidden" id="Networks" name="Networks" /><div class="network" id="networkbox">';
            
            if ( $numSSIDs > 0 ) {
              for( $ssids = 0; $ssids < $numSSIDs; $ssids++ ) {
                $output .= '<div id="Networkbox'.$ssids.'" class="NetworkBoxes">
                  <div class="row"><div class="form-group col-md-4"><label for="code">Network '.$ssids.'</label></div></div>
                  <div class="row"><div class="form-group col-md-4"><label for="code" id="lssid0">SSID</label><input type="text" class="form-control" id="ssid0" name="ssid'.$ssids.'" value="'.$ssid[$ssids].'" onkeyup="CheckSSID(this)" /></div></div>
                  <div class="row"><div class="form-group col-md-4"><label for="code" id="lpsk0">PSK</label><input type="password" class="form-control" id="psk0" name="psk'.$ssids.'" value="'.$psk[$ssids].'" onkeyup="CheckPSK(this)" /></div></div>
                  <div class="row"><div class="form-group col-md-4"><input type="button" class="btn btn-outline btn-primary" value="Delete" onClick="DeleteNetwork('.$ssids.')" /></div></div>';
            }
              $output .= '</div><!-- /#Networkbox -->';
            } else {
              $status = '<div class="alert alert-warning alert-dismissable">Not connected
                  <button type="button" class="close" data-dismiss="alert" aria-hidden="true">×</button></div>';
            }
            $output .= '<div class="row"><div class="col-lg-6"><input type="submit" class="btn btn-primary" value="Scan for networks" name="Scan" /> <input type="button" class="btn btn-primary" value="Add network" onClick="AddNetwork();" /> <input type="submit" class="btn btn-primary" value="Save" name="SaveWPAPSKSettings" onmouseover="UpdateNetworks(this)" id="Save" disabled />';
            $output .= '</form>'; 
            echo $output;
          }
          ?>
          <script type="text/Javascript">UpdateNetworks(this)</script>
        </form>
        </div><!-- ./ Panel body -->
        </div><!-- /.panel-primary -->
    </div><!-- /.col-lg-12 -->
  </div><!-- /.row -->
<?php
}

?>