From 38a5522832d2ad0539002b38b2e356703a37c807 Mon Sep 17 00:00:00 2001
From: Thulinma <jaron@vietors.com>
Date: Mon, 3 Feb 2020 16:53:26 +0100
Subject: [PATCH] Fix controller segfault when source is very short

---
 src/controller/controller_streams.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/controller/controller_streams.cpp b/src/controller/controller_streams.cpp
index 0fcd2dac..d42d02a4 100644
--- a/src/controller/controller_streams.cpp
+++ b/src/controller/controller_streams.cpp
@@ -385,6 +385,8 @@ namespace Controller {
   bool isMatch(const std::string & source, const std::string & match){
     std::string front = match.substr(0,match.find('*'));
     std::string back = match.substr(match.find('*')+1);
+    //if the length of the source is smaller than the front and back matching parts together, it can never match
+    if (source.size() < front.size()+back.size()){return false;}
     return (source.substr(0,front.size()) == front && source.substr(source.size()-back.size()) == back);
   }