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raspap-webgui
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Initial commit

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billz 2023-03-19 15:27:12 +01:00
parent fce63f1c35
commit d4b107a07f
1 changed files with 27 additions and 0 deletions
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27
ajax/networking/get_frequencies.php Normal file
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<?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);
}