From a3efd25f603665bed35ab20dc2a9e0219886ce4d Mon Sep 17 00:00:00 2001
From: Maximilian Hill <mhill@inett.de>
Date: Mon, 20 Dec 2021 13:18:02 +0100
Subject: [PATCH] properly set config and metrics

---
 .../java/de/inett/cmk/log4shell/CliCheck.java  | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/log4j-scanner/src/main/java/de/inett/cmk/log4shell/CliCheck.java b/log4j-scanner/src/main/java/de/inett/cmk/log4shell/CliCheck.java
index 397b451..97ed3d6 100644
--- a/log4j-scanner/src/main/java/de/inett/cmk/log4shell/CliCheck.java
+++ b/log4j-scanner/src/main/java/de/inett/cmk/log4shell/CliCheck.java
@@ -4,14 +4,12 @@
 import com.logpresso.scanner.Log4j2Scanner;
 import com.logpresso.scanner.Metrics;
 
+import java.lang.reflect.Field;
 import java.util.LinkedList;
 import java.util.List;
 
 public class CliCheck extends Log4j2Scanner {
 
-    Configuration config;
-    Metrics metrics;
-
     public static void main(String[] args) {
         System.out.println("<<<log4j_scanner>>>");
         String[] n_args = prepareArguments(args);
@@ -24,13 +22,22 @@ public static void main(String[] args) {
         System.exit(0);
     }
 
+    /**
+     * This is a hack, don't change
+     */
     @Override
     public void run(String[] args) throws Exception {
-        config = Configuration.parseArguments(args);
-		metrics = new Metrics();
+        Field config = Log4j2Scanner.class.getDeclaredField("config");
+        config.setAccessible(true);
+        config.set(this, Configuration.parseArguments(args));
+
+        Field metrics = Log4j2Scanner.class.getDeclaredField("metrics");
+        metrics.setAccessible(true);
+        metrics.set(this, new Metrics());
 
         run();
     }
+
     private static String[] prepareArguments(String[] cargs) {
         String[] ret;
         switch (cargs.length) {
@@ -61,4 +68,5 @@ private static String[] prepareArguments(String[] cargs) {
         }
         return ret;
     }
+
 }