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Merge pull request #918 from glaszig/unicode-ssid

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interpret hex sequences in ssid station names
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Bill Zimmerman 2021-05-31 08:35:07 +02:00 committed by GitHub
commit 2233636681
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2 changed files with 13 additions and 3 deletions
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7
includes/functions.php
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@ -641,3 +641,10 @@ function validate_host($host) {
return preg_match('/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i', $host);
}
function evalHexSequence($string) {
$evaluator = function ($input) {
return hex2bin($input[1]);
};
return preg_replace_callback('/\\\x(..)/', $evaluator, $string);
}

9
includes/wifi_functions.php
View File

@ -69,12 +69,15 @@ function nearbyWifiStations(&$networks, $cached = true)
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) {
$ssid = trim($arrNetwork[4]);
$ssid = evalHexSequence($ssid);
// exclude raspap ssid
if (empty($ssid) || $ssid == $ap_ssid) {
continue;
}
$ssid = trim($arrNetwork[4]);
// filter SSID string: anything invisible in 7bit ASCII or quotes -> ignore network
if (preg_match('[\x00-\x1f\x7f-\xff\'\`\´\"]', $ssid)) {
continue;