use special multibyte shell escaping to support unicode ssid names with qr code

This commit is contained in:
glaszig 2021-05-08 14:24:15 -03:00
parent 3969db61b0
commit 45a50edc41
2 changed files with 13 additions and 1 deletions

View file

@ -42,7 +42,7 @@ $ssid = qr_encode($ssid);
$password = qr_encode($password);
$data = "WIFI:S:$ssid;T:$type;P:$password;$hidden;";
$command = "qrencode -t svg -m 0 -o - " . escapeshellarg($data);
$command = "qrencode -t svg -m 0 -o - " . mb_escapeshellarg($data);
$svg = shell_exec($command);
$config_mtime = filemtime(RASPI_HOSTAPD_CONFIG);

View file

@ -518,6 +518,18 @@ function cache($key, $callback)
}
}
// insspired by
// http://markushedlund.com/dev/php-escapeshellarg-with-unicodeutf-8-support
function mb_escapeshellarg($arg)
{
$isWindows = strtolower(substr(PHP_OS, 0, 3)) === 'win';
if ($isWindows) {
return '"' . str_replace(array('"', '%'), '', $arg) . '"';
} else {
return "'" . str_replace("'", "'\\''", $arg) . "'";
}
}
function dnsServers()
{
$data = json_decode(file_get_contents("./config/dns-servers.json"));