Revert "GEODE-7373: add jmx credential type constraint (#4236)" (#4265)

This reverts commit 94fedfd7
diff --git a/geode-core/src/integrationTest/java/org/apache/geode/management/internal/security/JmxCredentialTypeTest.java b/geode-core/src/integrationTest/java/org/apache/geode/management/internal/security/JmxCredentialTypeTest.java
deleted file mode 100644
index 69c369e..0000000
--- a/geode-core/src/integrationTest/java/org/apache/geode/management/internal/security/JmxCredentialTypeTest.java
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
- * agreements. See the NOTICE file distributed with this work for additional information regarding
- * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the License. You may obtain a
- * copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License
- * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
- * or implied. See the License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package org.apache.geode.management.internal.security;
-
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import javax.management.remote.JMXConnector;
-
-import org.junit.ClassRule;
-import org.junit.Rule;
-import org.junit.Test;
-
-import org.apache.geode.examples.SimpleSecurityManager;
-import org.apache.geode.test.junit.rules.LocatorStarterRule;
-import org.apache.geode.test.junit.rules.MBeanServerConnectionRule;
-
-public class JmxCredentialTypeTest {
-
-  @ClassRule
-  public static LocatorStarterRule locator = new LocatorStarterRule().withSecurityManager(
-      SimpleSecurityManager.class).withAutoStart();
-
-  @Rule
-  public MBeanServerConnectionRule connectionRule = new MBeanServerConnectionRule();
-
-  @Test
-  public void testWithNonStringCredential() throws Exception {
-    Map<String, Object> env = new HashMap<>();
-    env.put(JMXConnector.CREDENTIALS, new Integer(0));
-    assertThatThrownBy(() -> connectionRule.connect("localhost", locator.getJmxPort(), env))
-        .hasMessageContaining("filter status: REJECTED");
-  }
-}
diff --git a/geode-core/src/main/java/org/apache/geode/internal/security/shiro/JMXShiroAuthenticator.java b/geode-core/src/main/java/org/apache/geode/internal/security/shiro/JMXShiroAuthenticator.java
index c1298be..2bb1a3c 100644
--- a/geode-core/src/main/java/org/apache/geode/internal/security/shiro/JMXShiroAuthenticator.java
+++ b/geode-core/src/main/java/org/apache/geode/internal/security/shiro/JMXShiroAuthenticator.java
@@ -50,7 +50,10 @@
   public Subject authenticate(Object credentials) {
     String username = null;
     Properties credProps = new Properties();
-    if (credentials instanceof String[]) {
+    if (credentials instanceof Properties) {
+      credProps = (Properties) credentials;
+      username = credProps.getProperty(ResourceConstants.USER_NAME);
+    } else if (credentials instanceof String[]) {
       final String[] aCredentials = (String[]) credentials;
       username = aCredentials[0];
       credProps.setProperty(ResourceConstants.USER_NAME, aCredentials[0]);
diff --git a/geode-core/src/main/java/org/apache/geode/management/internal/ManagementAgent.java b/geode-core/src/main/java/org/apache/geode/management/internal/ManagementAgent.java
index 62dd471..a0093b3 100755
--- a/geode-core/src/main/java/org/apache/geode/management/internal/ManagementAgent.java
+++ b/geode-core/src/main/java/org/apache/geode/management/internal/ManagementAgent.java
@@ -349,15 +349,9 @@
     // Retrieve the PlatformMBeanServer.
     MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
 
-    // Environment map
+    // Environment map. why is this declared as HashMap?
     final HashMap<String, Object> env = new HashMap<>();
 
-    // this makes sure the credentials passed to make the connection has to be in the form of String
-    // or String[]. Other form of credentials will not get de-serialized
-    env.put("jmx.remote.rmi.server.credential.types", new String[] {
-        String[].class.getName(),
-        String.class.getName()});
-
     // Manually creates and binds a JMX RMI Connector Server stub with the
     // registry created above: the port we pass here is the port that can
     // be specified in "service:jmx:rmi://"+hostname+":"+port - where the
@@ -402,12 +396,12 @@
 
           @Override
           public synchronized void start() throws IOException {
-            super.start();
             try {
-              registry.bind("jmxrmi", stub.toStub());
+              registry.bind("jmxrmi", stub);
             } catch (AlreadyBoundException x) {
               throw new IOException(x.getMessage(), x);
             }
+            super.start();
           }
         };