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Use ip and iw instead of ipconfig and iwconfig. RaspAP#152 RaspAP#249
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Signed-off-by: D9ping <D9ping@users.noreply.github.com>
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@D9ping
D9ping committed Oct 19, 2018
1 parent d9b2d20 commit 2de8b1a
Showing 1 changed file with 155 additions and 63 deletions.
218 changes: 155 additions & 63 deletions includes/dashboard.php
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@@ -1,74 +1,135 @@
<?php

/**
*
*
* Show dashboard page.
*/
function DisplayDashboard(){

$status = new StatusMessages();
// Need this check interface name for proper shell execution.
if (!preg_match('/^([a-zA-Z0-9]+)$/', RASPI_WIFI_CLIENT_INTERFACE)) {
$status->addMessage(_('Interface name invalid.'), 'danger');
$status->showMessages();
return;
}

if (!function_exists('exec')) {
$status->addMessage(_('Required exec function is disabled. Check if exec is not added to php disable_functions.'), 'danger');
$status->showMessages();
return;
}

exec('ip a show '.RASPI_WIFI_CLIENT_INTERFACE, $stdoutIp);
$stdoutIpAllLinesGlued = implode(" ", $stdoutIp);
$stdoutIpWRepeatedSpaces = preg_replace('/\s\s+/', ' ', $stdoutIpAllLinesGlued);

preg_match('/link\/ether ([0-9a-f:]+)/i', $stdoutIpWRepeatedSpaces, $matchesMacAddr ) || $matchesMacAddr[1] = 'No MAC Address Found';
$macAddr = $matchesMacAddr[1];

preg_match('/inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/(([0-3][0-9]))/i', $stdoutIpWRepeatedSpaces, $matchesIpv4AddrAndSubnet) || $matchesIpv4Addr[1] = 'No IP Address Found';
$ipv4Addr = $matchesIpv4AddrAndSubnet[1];
$strNetMask = long2ip(-1 << (32 -(int)$matchesIpv4AddrAndSubnet[2]));
// TODO multiple ipv4 addresses

preg_match('/inet6 ([a-f0-9:]+)/i', $stdoutIpWRepeatedSpaces, $matchesIpv4Addr ) || $matchesIpv6Addr[1] = 'No IPv6 Address Found';
$ipv6Addr = $matchesIpv6Addr[1];
// TODO multiple ipv6 addresses

preg_match('/state (UP|DOWN)/i', $stdoutIpWRepeatedSpaces, $matchesState ) || $matchesState[1] = 'unknown';
$deviceState = $matchesState[1];

exec( 'ip a s ' . RASPI_WIFI_CLIENT_INTERFACE , $return );
exec( 'iwconfig ' . RASPI_WIFI_CLIENT_INTERFACE, $return );
// Because of table layout used in the ip output we get the interface statistics directly from
// the system. One advantage of this is that it could work when interface is disable.
exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/rx_packets ', $stdoutCatRxPackets);
$strRxPackets = 'No data';
if (ctype_digit($stdoutCatRxPackets[0])) {
$strRxPackets = $stdoutCatRxPackets[0];
}

exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/tx_packets ', $stdoutCatTxPackets);
$strTxPackets = 'No data';
if (ctype_digit($stdoutCatTxPackets[0])) {
$strTxPackets = $stdoutCatTxPackets[0];
}

$strWlan0 = implode( " ", $return );
$strWlan0 = preg_replace( '/\s\s+/', ' ', $strWlan0 );
exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/rx_bytes ', $stdoutCatRxBytes);
$strRxBytes = 'No data';
if (ctype_digit($stdoutCatRxBytes[0])) {
$strRxBytes = $stdoutCatRxBytes[0];
$strRxBytes .= getHumanReadableDatasize($strRxBytes);
}

// Parse results from ifconfig/iwconfig
preg_match( '/link\/ether ([0-9a-f:]+)/i',$strWlan0,$result ) || $result[1] = 'No MAC Address Found';
$strHWAddress = $result[1];
preg_match_all( '/inet ([0-9.]+)/i',$strWlan0,$result ) || $result[1] = 'No IP Address Found';
$strIPAddress = '';
foreach($result[1] as $ip) {
$strIPAddress .= $ip." ";
exec('cat /sys/class/net/'.RASPI_WIFI_CLIENT_INTERFACE.'/statistics/tx_bytes ', $stdoutCatTxBytes);
$strTxBytes = 'No data';
if (ctype_digit($stdoutCatTxBytes[0])) {
$strTxBytes = $stdoutCatTxBytes[0];
$strTxBytes .= getHumanReadableDatasize($strTxBytes);
}
preg_match_all( '/[0-9.]+\/([0-3][0-9])/i',$strWlan0,$result ) || $result[1] = 'No Subnet Mask Found';
$strNetMask = '';
foreach($result[1] as $netmask) {
$strNetMask .= long2ip(-1 << (32 -(int)$netmask))." ";

define('SSIDMAXLEN', 32);
// Warning iw comes with: "Do NOT screenscrape this tool, we don't consider its output stable."
exec('iw dev '.RASPI_WIFI_CLIENT_INTERFACE.' link ', $stdoutIw);
$stdoutIwAllLinesGlued = implode(' ', $stdoutIw);
$stdoutIwWRepSpaces = preg_replace('/\s\s+/', ' ', $stdoutIwAllLinesGlued);

preg_match('/Connected to (([0-9A-Fa-f]{2}:){5}([0-9A-Fa-f]{2}))/', $stdoutIwWRepSpaces, $matchesBSSID) || $matchesBSSID[1] = '';
$connectedBSSID = $matchesBSSID[1];

preg_match('/SSID: ([^ ]{1,'.SSIDMAXLEN.'})/', $stdoutIwWRepSpaces, $matchesSSID) || $matchesSSID[1] = 'Not connected';
$connectedSSID = $matchesSSID[1];

preg_match('/freq: (\d+)/i', $stdoutIwWRepSpaces, $matchesFrequency) || $matchesFrequency[1] = '';
$frequency = $matchesFrequency[1].' MHz';

preg_match('/signal: (-?[0-9]+ dBm)/i', $stdoutIwWRepSpaces, $matchesSignal) || $matchesSignal[1] = '';
$signalLevel = $matchesSignal[1];

preg_match('/tx bitrate: ([0-9\.]+ [KMGT]?Bit\/s)/', $stdoutIwWRepSpaces, $matchesBitrate) || $matchesBitrate[1] = '';
$bitrate = $matchesBitrate[1];

// txpower is now displayed on iw dev(..) info command, not on link command.
exec('iw dev '.RASPI_WIFI_CLIENT_INTERFACE.' info ', $stdoutIwInfo);
$stdoutIwInfoAllLinesGlued = implode(' ', $stdoutIwInfo);
$stdoutIpInfoWRepSpaces = preg_replace('/\s\s+/', ' ', $stdoutIwInfoAllLinesGlued);

preg_match('/txpower ([0-9\.]+ dBm)/i', $stdoutIpInfoWRepSpaces, $matchesTxPower ) || $matchesTxPower[1] = '';
$strTxPower = $matchesTxPower[1];

// iw does not have the "Link Quality". This is a is an aggregate value,
// and depends on the driver and hardware.
// Display link quality as signal quality for now.
$strLinkQuality = 0;
if ($signalLevel > -100) {
if ($signalLevel >= 0) {
$strLinkQuality = 100;
} else {
$strLinkQuality = 100 + $signalLevel;
}
}
preg_match( '/RX packets:(\d+)/',$strWlan0,$result ) || $result[1] = 'No Data';
$strRxPackets = $result[1];
preg_match( '/TX packets:(\d+)/',$strWlan0,$result ) || $result[1] = 'No Data';
$strTxPackets = $result[1];
preg_match( '/RX bytes:(\d+ \(\d+.\d+ [K|M|G]iB\))/i',$strWlan0,$result ) || $result[1] = 'No Data';
$strRxBytes = $result[1];
preg_match( '/TX Bytes:(\d+ \(\d+.\d+ [K|M|G]iB\))/i',$strWlan0,$result ) || $result[1] = 'No Data';
$strTxBytes = $result[1];
preg_match( '/ESSID:\"([a-zA-Z0-9\s].+)\"/i',$strWlan0,$result ) || $result[1] = 'Not connected';
$strSSID = str_replace( '"','',$result[1] );
preg_match( '/Access Point: ([0-9a-f:]+)/i',$strWlan0,$result ) || $result[1] = '';
$strBSSID = $result[1];
preg_match( '/Bit Rate=([0-9\.]+ Mb\/s)/i',$strWlan0,$result ) || $result[1] = '';
$strBitrate = $result[1];
preg_match( '/Tx-Power=([0-9]+ dBm)/i',$strWlan0,$result ) || $result[1] = '';
$strTxPower = $result[1];
preg_match( '/Link Quality=([0-9]+)/i',$strWlan0,$result ) || $result[1] = '';
$strLinkQuality = $result[1];
preg_match( '/Signal level=(-?[0-9]+ dBm)/i',$strWlan0,$result ) || $result[1] = '';
$strSignalLevel = $result[1];
preg_match('/Frequency:(\d+.\d+ GHz)/i',$strWlan0,$result) || $result[1] = '';
$strFrequency = $result[1];

if(strpos( $strWlan0, "UP" ) !== false) {
$status->addMessage('Interface is up', 'success');
$wlan0up = true;
} else {
$status->addMessage('Interface is down', 'warning');

$wlan0up = false;
$classMsgDevicestatus = 'warning';
if ($deviceState === 'UP') {
$wlan0up = true;
$classMsgDevicestatus = 'success';
}

$status->addMessage(sprintf(_('Interface is %s.'), strtolower($deviceState)), $classMsgDevicestatus);

if( isset($_POST['ifdown_wlan0']) ) {
exec( 'ifconfig ' . RASPI_WIFI_CLIENT_INTERFACE . ' | grep -i running | wc -l',$test );
// Pressed stop button
exec( 'ifconfig '.RASPI_WIFI_CLIENT_INTERFACE.' | grep -i running | wc -l', $test );
if($test[0] == 1) {
exec( 'sudo ip link set ' . RASPI_WIFI_CLIENT_INTERFACE . ' down',$return );
exec( 'sudo ip link set '.RASPI_WIFI_CLIENT_INTERFACE.' down' );
} else {
echo 'Interface already down';
}
} elseif( isset($_POST['ifup_wlan0']) ) {
exec( 'ifconfig ' . RASPI_WIFI_CLIENT_INTERFACE . ' | grep -i running | wc -l',$test );
// Pressed start button
exec('ifconfig '.RASPI_WIFI_CLIENT_INTERFACE.' | grep -i running | wc -l', $test);
if($test[0] == 0) {
exec( 'sudo ip link set ' . RASPI_WIFI_CLIENT_INTERFACE . ' up',$return );
exec( 'sudo ip -s a f label ' . RASPI_WIFI_CLIENT_INTERFACE,$return);
exec('sudo ip link set ' . RASPI_WIFI_CLIENT_INTERFACE . ' up');
exec('sudo ip -s a f label ' . RASPI_WIFI_CLIENT_INTERFACE);
} else {
echo 'Interface already up';
}
Expand All @@ -86,28 +147,28 @@ function DisplayDashboard(){
<div class="panel-body">
<h4><?php echo _("Interface Information"); ?></h4>
<div class="info-item"><?php echo _("Interface Name"); ?></div> <?php echo RASPI_WIFI_CLIENT_INTERFACE; ?><br />
<div class="info-item"><?php echo _("IP Address"); ?></div> <?php echo htmlspecialchars($strIPAddress, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Subnet Mask"); ?></div> <?php echo htmlspecialchars($strNetMask, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Mac Address"); ?></div> <?php echo htmlspecialchars($strHWAddress, ENT_QUOTES); ?><br /><br />

<div class="info-item"><?php echo _("IPv4 Address"); ?></div> <?php echo htmlspecialchars($ipv4Addr, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Subnet Mask"); ?></div> <?php echo htmlspecialchars($strNetMask, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("IPv6 Address"); ?></div> <?php echo htmlspecialchars($ipv6Addr, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Mac Address"); ?></div> <?php echo htmlspecialchars($macAddr, ENT_QUOTES); ?><br /><br />
<h4><?php echo _("Interface Statistics"); ?></h4>
<div class="info-item"><?php echo _("Received Packets"); ?></div> <?php echo htmlspecialchars($strRxPackets, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Received Bytes"); ?></div> <?php echo htmlspecialchars($strRxBytes, ENT_QUOTES); ?><br /><br />
<div class="info-item"><?php echo _("Received Packets"); ?></div> <?php echo htmlspecialchars($strRxPackets, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Received Bytes"); ?></div> <?php echo htmlspecialchars($strRxBytes, ENT_QUOTES); ?><br /><br />
<div class="info-item"><?php echo _("Transferred Packets"); ?></div> <?php echo htmlspecialchars($strTxPackets, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Transferred Bytes"); ?></div> <?php echo htmlspecialchars($strTxBytes, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Transferred Bytes"); ?></div> <?php echo htmlspecialchars($strTxBytes, ENT_QUOTES); ?><br />
</div><!-- /.panel-body -->
</div><!-- /.panel-default -->
</div><!-- /.col-md-6 -->
<div class="col-md-6">
<div class="panel panel-default">
<div class="panel-body wireless">
<h4><?php echo _("Wireless Information"); ?></h4>
<div class="info-item"><?php echo _("Connected To"); ?></div> <?php echo htmlspecialchars($strSSID, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("AP Mac Address"); ?></div> <?php echo htmlspecialchars($strBSSID, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Bitrate"); ?></div> <?php echo htmlspecialchars($strBitrate, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Signal Level"); ?></div> <?php echo htmlspecialchars($strSignalLevel, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Connected To"); ?></div> <?php echo htmlspecialchars($connectedSSID, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("AP Mac Address"); ?></div> <?php echo htmlspecialchars($connectedBSSID, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Bitrate"); ?></div> <?php echo htmlspecialchars($bitrate, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Signal Level"); ?></div> <?php echo htmlspecialchars($signalLevel, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Transmit Power"); ?></div> <?php echo htmlspecialchars($strTxPower, ENT_QUOTES); ?><br />
<div class="info-item"><?php echo _("Frequency"); ?></div> <?php echo htmlspecialchars($strFrequency, ENT_QUOTES); ?><br /><br />
<div class="info-item"><?php echo _("Frequency"); ?></div> <?php echo htmlspecialchars($frequency, ENT_QUOTES); ?><br /><br />
<div class="info-item"><?php echo _("Link Quality"); ?></div>
<div class="progress">
<div class="progress-bar progress-bar-info progress-bar-striped active"
Expand Down Expand Up @@ -136,10 +197,41 @@ function DisplayDashboard(){
</div>

</div><!-- /.panel-body -->
<div class="panel-footer"><?php echo _("Information provided by ifconfig and iwconfig"); ?></div>
<div class="panel-footer"><?php echo _("Information provided by ip and iw and from system."); ?></div>
</div><!-- /.panel-default -->
</div><!-- /.col-lg-12 -->
</div><!-- /.row -->
<?php
}


/**
* Get a human readable data size string from a number of bytes.
*
* @param long $numbytes The number of bytes.
* @param int $precision The number of numbers to round to after the dot/comma.
* @return string Data size in units: PB, TB, GB, MB or KB otherwise an empty string.
*/
function getHumanReadableDatasize($numbytes, $precision = 2)
{
$humanFilesize = '';
$kib = 1024;
$mib = $kib * 1024;
$gib = $mib * 1024;
$tib = $gib * 1024;
$pib = $tib * 1024;
if ($numbytes >= $pib) {
$humanFilesize = ' ('.round($numbytes / $pib, $precision).' PB)';
} elseif ($numbytes >= $tib) {
$humanFilesize = ' ('.round($numbytes / $tib, $precision).' TB)';
} elseif ($numbytes >= $gib) {
$humanFilesize = ' ('.round($numbytes / $gib, $precision).' GB)';
} elseif ($numbytes >= $mib) {
$humanFilesize = ' ('.round($numbytes / $mib, $precision).' MB)';
} elseif ($numbytes >= $kib) {
$humanFilesize = ' ('.round($numbytes / $kib, $precision).' KB)';
}

return $humanFilesize;
}

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