Handle cases where glob() returns false

Fixes #203
2026-06-15 16:07:55 +03:00 · 2018-01-16 14:05:53 -06:00
parent fc6ebc6e72
commit 901c3e540d
2 changed files with 54 additions and 16 deletions
@@ -88,10 +88,15 @@ class SystemNodeProvider implements NodeProviderInterface
    {
        $mac = false;
        if (strtoupper(php_uname('s')) === "LINUX") {
-            // get all the macadresses of all systems
+            $addressPaths = glob('/sys/class/net/*/address', GLOB_NOSORT);
+
+            if (empty($addressPaths)) {
+                return false;
+            }
+
            $macs = array_map(
                'file_get_contents',
-                glob('/sys/class/net/*/address', GLOB_NOSORT)
+                $addressPaths
            );

            $macs = array_map('trim', $macs);