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interpret hex sequences in ssid station names

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resolves #917
This commit is contained in:
glaszig 2021-05-30 21:49:05 +01:00
parent f5a18b8d95
commit 92e154fa64
2 changed files with 8 additions and 0 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', $host); return preg_match('/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i', $host);
} }
function evalHexSequence($string) {
$evaluator = function ($input) {
return hex2bin($input[1]);
};
return preg_replace_callback('/\\\x(..)/', $evaluator, $string);
}

1
includes/wifi_functions.php
View File

@ -75,6 +75,7 @@ function nearbyWifiStations(&$networks, $cached = true)
} }
$ssid = trim($arrNetwork[4]); $ssid = trim($arrNetwork[4]);
$ssid = evalHexSequence($ssid);
// filter SSID string: anything invisible in 7bit ASCII or quotes -> ignore network // filter SSID string: anything invisible in 7bit ASCII or quotes -> ignore network
if (preg_match('[\x00-\x1f\x7f-\xff\'\`\´\"]', $ssid)) { if (preg_match('[\x00-\x1f\x7f-\xff\'\`\´\"]', $ssid)) {
continue; continue;