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Fix TFS 1.3 config.lua parsing

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By ignoring table declarations.
This commit is contained in:
Znote 2021-06-13 05:22:17 +02:00
parent 4169b671da
commit bdb4a862b5
1 changed files with 18 additions and 2 deletions
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20
serverinfo.php
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@ -135,8 +135,22 @@ if (user_logged_in() && is_admin($user_data)) {
); );
// This will be the populated array with filtered relevant data // This will be the populated array with filtered relevant data
$luaConfig = array(); $luaConfig = array();
// Remove everything between first { and last }
$poststring = $_POST['configData'];
$first = strpos($poststring, '{');
if ($first !== false) {
$last = strripos($poststring, '}');
if ($last !== false) {
$sliced_string = substr($poststring, 0, $first).substr($poststring, $last+1);
$poststring = $sliced_string;
} else {
die("Lua process error: Syntax error in config.lua");
}
}
// Explode the string into string array by newline // Explode the string into string array by newline
$rawLua = explode("\n", $_POST['configData']); $rawLua = explode("\n", $poststring);
// Clean up the array // Clean up the array
$length = count($rawLua); $length = count($rawLua);
for ($i = 0; $i < $length; $i++) { for ($i = 0; $i < $length; $i++) {
@ -169,7 +183,9 @@ if (user_logged_in() && is_admin($user_data)) {
if (strpos($data[1], '"') === false) { if (strpos($data[1], '"') === false) {
if (!in_array($data[1], array_keys($luaConfig))) { if (!in_array($data[1], array_keys($luaConfig))) {
// Type cast: integer // Type cast: integer
$data[1] = eval('return (' . $data[1] . ');'); if (strlen($data[1]) > 0) {
$data[1] = eval('return (' . $data[1] . ');');
}
} else { } else {
// Type cast: Load value from another key // Type cast: Load value from another key
$data[1] = (isset($luaConfig[$data[1]])) ? $luaConfig[$data[1]] : null; $data[1] = (isset($luaConfig[$data[1]])) ? $luaConfig[$data[1]] : null;