28 lines
777 B
PHP
28 lines
777 B
PHP
<?php
|
|
|
|
require '../../includes/csrf.php';
|
|
require_once '../../includes/config.php';
|
|
|
|
if (isset($_POST['interface'])) {
|
|
|
|
define( 'NL80211_BAND_24GHZ', 0x1 );
|
|
define( 'NL80211_BAND_5GHZ', 0x2 );
|
|
$iface = escapeshellcmd($_POST['interface']);
|
|
|
|
// get physical device for selected interface
|
|
exec("iw dev | awk '/$iface/ {print line}{line = $0}'", $return);
|
|
$phy = $return[0];
|
|
|
|
// get frequencies supported by device
|
|
exec('iw '.$phy.' info | sed -rn "s/^.*\*\s([0-9]{4})\sMHz.*/\1/p"', $frequencies);
|
|
|
|
if (count(preg_grep('/^24[0-9]{2}/i', $frequencies)) >0) {
|
|
$flags += NL80211_BAND_24GHZ;
|
|
}
|
|
if (count(preg_grep('/^5[0-9]{3}/i', $frequencies)) >0) {
|
|
$flags += NL80211_BAND_5GHZ;
|
|
}
|
|
echo json_encode($flags);
|
|
}
|
|
|