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<?php
/**
* ZSTD compressor using FFI and libselinux
* PoC, only for documentation purpose
*
* Copyright (c) 2019 Remi Collet
* License: CC-BY-SA
* http://creativecommons.org/licenses/by-sa/4.0/
*/
namespace Remi;
class SELinux {
static private $ffi = null;
private static function init() {
if (self::$ffi) {
return;
}
// Try if preloaded
try {
self::$ffi = \FFI::scope("_REMI_SELINUX_");
echo "Using FFI::scope OK\n";
} catch (\FFI\Exception $e) {
// Try direct load
self::$ffi = \FFI::load(__DIR__ . '/preload-selinux.h');
echo "Using FFI::load OK\n";
}
if (!self::$ffi) {
throw new \RuntimeException("FFI parse fails");
}
}
public static function is_enabled(): bool {
self::init();
return (bool)self::$ffi->is_selinux_enabled();
}
public static function getenforce(): int {
self::init();
return self::$ffi->security_getenforce();
}
}
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