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Applied patches from #581

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billz
2020-05-24 08:14:07 +01:00
parent ceaa7a3511
commit b128c4106c
4 changed files with 47 additions and 19 deletions
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45
includes/wifi_functions.php
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@@ -63,16 +63,26 @@ function nearbyWifiStations(&$networks, $cached = true)
}
);
foreach (explode("\n", $scan_results) as $network) {
$arrNetwork = preg_split("/[\t]+/", $network); // split result into array
// get the name of the AP - should be excluded von the nearby networks
exec('cat '.RASPI_HOSTAPD_CONFIG.' | sed -rn "s/ssid=(.*)\s*$/\1/p" ',$ap_ssid);
$ap_ssid = $ap_ssid[0];
foreach (explode("\n", $scan_results) as $network) {
$arrNetwork = preg_split("/[\t]+/", $network); // split result into array
if (!array_key_exists(4, $arrNetwork) ||
trim($arrNetwork[4]) == $ap_ssid) continue;
$ssid = trim($arrNetwork[4]);
// filter SSID string - anything invisable in 7bit ASCII or quotes -> ignore network
if( preg_match('[\x00-\x1f\x7f-\xff\'\`\<5C>\"]',$ssid)) continue;
// If network is saved
if (array_key_exists(4, $arrNetwork) && array_key_exists($arrNetwork[4], $networks)) {
$networks[$arrNetwork[4]]['visible'] = true;
$networks[$arrNetwork[4]]['channel'] = ConvertToChannel($arrNetwork[1]);
if (array_key_exists($ssid, $networks)) {
$networks[$ssid]['visible'] = true;
$networks[$ssid]['channel'] = ConvertToChannel($arrNetwork[1]);
// TODO What if the security has changed?
} else {
$networks[$arrNetwork[4]] = array(
$networks[$ssid] = array(
'configured' => false,
'protocol' => ConvertToSecurity($arrNetwork[3]),
'channel' => ConvertToChannel($arrNetwork[1]),
@@ -82,10 +92,12 @@ function nearbyWifiStations(&$networks, $cached = true)
);
}
// Save RSSI
if (array_key_exists(4, $arrNetwork)) {
$networks[$arrNetwork[4]]['RSSI'] = $arrNetwork[2];
// Save RSSI, if the current value is larger than the already stored
if (array_key_exists(4, $arrNetwork) && array_key_exists($arrNetwork[4],$networks)) {
if(! array_key_exists('RSSI',$networks[$arrNetwork[4]]) || $networks[$ssid]['RSSI'] < $arrNetwork[2])
$networks[$ssid]['RSSI'] = $arrNetwork[2];
}
}
}
@@ -98,3 +110,18 @@ function connectedWifiStations(&$networks)
}
}
}
function sortNetworksByRSSI(&$networks) {
$valRSSI = array();
foreach ($networks as $SSID => $net) {
if (!array_key_exists('RSSI',$net)) $net['RSSI'] = -1000;
$valRSSI[$SSID] = $net['RSSI'];
}
$nets = $networks;
arsort($valRSSI);
$networks = array();
foreach ($valRSSI as $SSID => $RSSI) {
$networks[$SSID] = $nets[$SSID];
$networks[$SSID]['RSSI'] = $RSSI;
}
}