From 8b36bc2390fd68e3e289b96c874801ed61d1276a Mon Sep 17 00:00:00 2001
From: Matti Harjula <matti.harjula@aalto.fi>
Date: Fri, 8 Nov 2019 12:31:39 +0200
Subject: [PATCH] Security measure to cover a possibility related to a library.

Serious actors may wish to do a hot-fix but no known attacks observed yet.

https://github.com/hafriedlander/php-peg/issues/39
---
 thirdparty/php-peg/cli.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/thirdparty/php-peg/cli.php b/thirdparty/php-peg/cli.php
index 5a2b3c703f2..1bfb0322a33 100644
--- a/thirdparty/php-peg/cli.php
+++ b/thirdparty/php-peg/cli.php
@@ -5,4 +5,10 @@
 
 use hafriedlander\Peg\Compiler;
 
+// Just in case this matters.
+/// https://github.com/hafriedlander/php-peg/issues/39
+if (php_sapi_name() != "cli") {
+  die("Maybe bad...");
+}
+
 Compiler::cli( $_SERVER['argv'] ) ;