From 71ce8e24774dd695fb1af4588e2e47bb9c11c5fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julius=20H=C3=A4rtl?= <jus@bitgrid.net>
Date: Tue, 2 Aug 2022 15:50:27 +0200
Subject: [PATCH] Check if exec is available before calling

---
 proxy.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/proxy.php b/proxy.php
index d7f3c24..630188f 100644
--- a/proxy.php
+++ b/proxy.php
@@ -140,7 +140,8 @@ function checkCoolwsdSetup()
     if (!is_executable($appImage))
         return 'appimage_not_executable';
 
-    if (@exec('echo EXEC') !== "EXEC")
+    $disabledFunctions = explode(',', ini_get('disable_functions'));
+    if (!in_array('exec', $disabledFunctions) || @exec('echo EXEC') !== "EXEC")
         return 'exec_disabled';
 
     exec("LD_TRACE_LOADED_OBJECTS=1 $appImage", $output, $return);