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raspap-webgui/includes/dashboard.php

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<?php
require_once 'includes/config.php';
require_once 'includes/wifi_functions.php';
require_once 'includes/functions.php';
/**
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* Show dashboard page.
*/
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function DisplayDashboard(&$extraFooterScripts)
{
getWifiInterface();
$status = new StatusMessages();
// Need this check interface name for proper shell execution.
if (!preg_match('/^([a-zA-Z0-9]+)$/', $_SESSION['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');
$status->showMessages();
return;
}
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exec('ip a show '.$_SESSION['ap_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];
$ipv4Addrs = '';
$ipv4Netmasks = '';
if (!preg_match_all('/inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\/([0-3][0-9])/i', $stdoutIpWRepeatedSpaces, $matchesIpv4AddrAndSubnet, PREG_SET_ORDER)) {
$ipv4Addrs = _('No IPv4 Address Found');
} else {
foreach ($matchesIpv4AddrAndSubnet as $inet) {
$address = $inet[1];
$suffix = (int) $inet[2];
$netmask = long2ip(-1 << (32 - $suffix));
$ipv4Addrs .= " $address";
$ipv4Netmasks .= " $netmask";
}
$ipv4Addrs = trim($ipv4Addrs);
$ipv4Netmasks = trim($ipv4Netmasks);
}
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$ipv4Netmasks = empty($ipv4Netmasks) ? "-" : $ipv4Netmasks;
$ipv6Addrs = '';
if (!preg_match_all('/inet6 ([a-f0-9:]+)/i', $stdoutIpWRepeatedSpaces, $matchesIpv6Addr)) {
$ipv6Addrs = _('No IPv6 Address Found');
} else {
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if (isset($matchesIpv6Addr[1])) {
$ipv6Addrs = implode(' ', $matchesIpv6Addr[1]);
}
}
preg_match('/state (UP|DOWN)/i', $stdoutIpWRepeatedSpaces, $matchesState) || $matchesState[1] = 'unknown';
$interfaceState = $matchesState[1];
// Because of table layout used in the ip output we get the interface statistics directly from
// the system. One advantage of this is that it could work when interface is disable.
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exec('cat /sys/class/net/'.$_SESSION['ap_interface'].'/statistics/rx_packets ', $stdoutCatRxPackets);
$strRxPackets = _('No data');
if (ctype_digit($stdoutCatRxPackets[0])) {
$strRxPackets = $stdoutCatRxPackets[0];
}
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exec('cat /sys/class/net/'.$_SESSION['ap_interface'].'/statistics/tx_packets ', $stdoutCatTxPackets);
$strTxPackets = _('No data');
if (ctype_digit($stdoutCatTxPackets[0])) {
$strTxPackets = $stdoutCatTxPackets[0];
}
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exec('cat /sys/class/net/'.$_SESSION['ap_interface'].'/statistics/rx_bytes ', $stdoutCatRxBytes);
$strRxBytes = _('No data');
if (ctype_digit($stdoutCatRxBytes[0])) {
$strRxBytes = $stdoutCatRxBytes[0];
$strRxBytes .= getHumanReadableDatasize($strRxBytes);
}
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exec('cat /sys/class/net/'.$_SESSION['ap_interface'].'/statistics/tx_bytes ', $stdoutCatTxBytes);
$strTxBytes = _('No data');
if (ctype_digit($stdoutCatTxBytes[0])) {
$strTxBytes = $stdoutCatTxBytes[0];
$strTxBytes .= getHumanReadableDatasize($strTxBytes);
}
define('SSIDMAXLEN', 32);
// Warning iw comes with: "Do NOT screenscrape this tool, we don't consider its output stable."
exec('iw dev ' .$_SESSION['wifi_client_interface']. ' link ', $stdoutIw);
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$stdoutIwAllLinesGlued = implode('+', $stdoutIw); // Break lines with character illegal in SSID and MAC addr
$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 = $matchesBSSID[1];
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$connectedBSSID = empty($connectedBSSID) ? "-" : $connectedBSSID;
$wlanHasLink = false;
if ($interfaceState === 'UP') {
$wlanHasLink = true;
}
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if (!preg_match('/SSID: ([^+]{1,'.SSIDMAXLEN.'})/', $stdoutIwWRepSpaces, $matchesSSID)) {
$wlanHasLink = false;
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$matchesSSID[1] = 'None';
}
$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 = $matchesSignal[1];
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$signalLevel = empty($signalLevel) ? "-" : $signalLevel;
preg_match('/tx bitrate: ([0-9\.]+ [KMGT]?Bit\/s)/', $stdoutIwWRepSpaces, $matchesBitrate) || $matchesBitrate[1] = '';
$bitrate = $matchesBitrate[1];
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$bitrate = empty($bitrate) ? "-" : $bitrate;
// txpower is now displayed on iw dev(..) info command, not on link command.
exec('iw dev '.$_SESSION['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] = '';
$txPower = $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 && $wlanHasLink) {
if ($signalLevel >= 0) {
$strLinkQuality = 100;
} else {
$strLinkQuality = 100 + intval($signalLevel);
}
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}
$wlan0up = false;
$classMsgDevicestatus = 'warning';
if ($interfaceState === 'UP') {
$wlan0up = true;
$classMsgDevicestatus = 'success';
}
if (!RASPI_MONITOR_ENABLED) {
if (isset($_POST['ifdown_wlan0'])) {
// Pressed stop button
if ($interfaceState === 'UP') {
$status->addMessage(sprintf(_('Interface is going %s.'), _('down')), 'warning');
exec('sudo ip link set '.$_SESSION['wifi_client_interface'].' down');
$wlan0up = false;
$status->addMessage(sprintf(_('Interface is now %s.'), _('down')), 'success');
} elseif ($interfaceState === 'unknown') {
$status->addMessage(_('Interface state unknown.'), 'danger');
} else {
$status->addMessage(sprintf(_('Interface already %s.'), _('down')), 'warning');
}
} elseif (isset($_POST['ifup_wlan0'])) {
// Pressed start button
if ($interfaceState === 'DOWN') {
$status->addMessage(sprintf(_('Interface is going %s.'), _('up')), 'warning');
exec('sudo ip link set ' .$_SESSION['wifi_client_interface']. ' up');
exec('sudo ip -s a f label ' . $_SESSION['wifi_client_interface']);
$wlan0up = true;
$status->addMessage(sprintf(_('Interface is now %s.'), _('up')), 'success');
} elseif ($interfaceState === 'unknown') {
$status->addMessage(_('Interface state unknown.'), 'danger');
} else {
$status->addMessage(sprintf(_('Interface already %s.'), _('up')), 'warning');
}
} else {
$status->addMessage(sprintf(_('Interface is %s.'), strtolower($interfaceState)), $classMsgDevicestatus);
}
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}
// brought in from template
$arrHostapdConf = parse_ini_file(RASPI_CONFIG.'/hostapd.ini');
$bridgedEnable = $arrHostapdConf['BridgedEnable'];
$clientInterface = $_SESSION['wifi_client_interface'];
$apInterface = $_SESSION['ap_interface'];
$MACPattern = '"([[:xdigit:]]{2}:){5}[[:xdigit:]]{2}"';
if (getBridgedState()) {
$moreLink = "hostapd_conf";
exec('iw dev ' . $apInterface . ' station dump | grep -oE ' . $MACPattern, $clients);
} else {
$moreLink = "dhcpd_conf";
exec('cat ' . RASPI_DNSMASQ_LEASES . '| grep -E $(iw dev ' . $apInterface . ' station dump | grep -oE ' . $MACPattern . ' | paste -sd "|")', $clients);
}
$ifaceStatus = $wlan0up ? "up" : "down";
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echo renderTemplate(
"dashboard", compact(
"clients",
"moreLink",
"apInterface",
"clientInterface",
"ifaceStatus",
"bridgedEnable",
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"status",
"ipv4Addrs",
"ipv4Netmasks",
"ipv6Addrs",
"macAddr",
"strRxPackets",
"strRxBytes",
"strTxPackets",
"strTxBytes",
"connectedSSID",
"connectedBSSID",
"bitrate",
"signalLevel",
"txPower",
"frequency",
"strLinkQuality",
"wlan0up"
)
);
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$extraFooterScripts[] = array('src'=>'app/js/dashboardchart.js', 'defer'=>false);
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$extraFooterScripts[] = array('src'=>'app/js/linkquality.js', 'defer'=>false);
}