* e.g.
* Beware: Browsers generally do not send empty values, if your default values include
* any empty strings, you should preferably use a default configuration file instead.
*
* #include : Specifies name of an include file to read and execute in before saving the file contents.
* #cleanup : If present then parameters with empty strings are omitted from being written to the file.
* #command : A shell command to execute after updating the configuration file.
* #arg : An array of arguments for the shell command.
*/
function write_log($string) {
if (empty($string)) return;
$string = str_replace("\n", "
", $string);
$string = str_replace('"', "\\\"", trim($string));
echo "";
@flush();
}
// unRAID update control
readfile('update.htm');
flush();
$docroot = $_SERVER['DOCUMENT_ROOT'] ?: "/usr/local/emhttp";
require_once "$docroot/plugins/dynamix/include/Wrappers.php";
if (isset($_POST['#file'])) {
$file = $_POST['#file'];
$raw_file = isset($_POST['#raw_file']) ? ($_POST['#raw_file'] === 'true') : false;
// prepend with boot (flash) if path is relative
if ($file && $file[0]!='/') $file = "/boot/config/plugins/$file";
$section = $_POST['#section'] ?? false;
$cleanup = isset($_POST['#cleanup']);
$default = [];
if($file && isset($_POST['#default'])) {
if(isset($_POST['#defaultfile'])) {
$defaultfile = $_POST['#defaultfile'];
if ($defaultfile && $defaultfile[0]!='/') $defaultfile = "$docroot/plugins/$defaultfile";
$default = parse_ini_file($defaultfile, $section) ?: [];
} elseif(isset($_POST['#defaults'])) {
$default = is_array($_POST['#defaults']) ? ($_POST['#defaults'] ?: []) : [];
} else {
$default = parse_ini_file("$docroot/plugins/".basename(dirname($file))."/default.cfg", $section) ?: [];
}
}
// if the file is not a raw file, it can be parsed
$keys = (is_file($file) && !$raw_file) ? (parse_ini_file($file, $section) ?: []) : [];
// the 'save' switch can be reset by the include file to disallow settings saving
$save = true;
if (isset($_POST['#include'])) {
$include = realpath($docroot.'/'.$_POST['#include']);
if (strpos($include, $docroot) === 0) include $include; else {
syslog(LOG_INFO, "Include file not allowed: $include. Settings not saved!");
$save = false;
}
}
if ($save) {
$text = "";
if ($section) {
foreach ($_POST as $key => $value) if ($key[0]!='#') $keys[$section][$key] = $default[$section][$key] ?? $value;
foreach ($keys as $section => $block) {
$text .= "[$section]\n";
foreach ($block as $key => $value) if (strlen($value) || !$cleanup) $text .= "$key=\"$value\"\n";
}
} else {
foreach ($_POST as $key => $value) if ($key[0]!='#') $keys[$key] = $default[$key] ?? $value;
foreach ($keys as $key => $value) if (strlen($value) || !$cleanup) $text .= "$key=\"$value\"\n";
}
@mkdir(dirname($file));
file_put_contents_atomic($file,$text);
}
}
if (isset($_POST['#command'])) {
if (isset($_POST['#env'])) {
foreach ($_POST['#env'] as $env) putenv($env);
}
$command = $_POST['#command'];
if (strpos($command, $docroot) !== 0)
$command = "$docroot/$command";
$command = realpath($command);
if ($command === false)
syslog(LOG_INFO, "Invalid #command: {$_POST['#command']}");
else {
$command = escapeshellcmd($command);
if (isset($_POST['#arg'])) {
$args = $_POST['#arg'];
ksort($args);
$command .= " ".implode(" ", array_map("escapeshellarg", $args));
}
syslog(LOG_INFO, $command);
$proc = popen($command, 'r');
while (!feof($proc)) {
write_log(fgets($proc));
}
@pclose($proc);
}
}
?>