Include AttachPermission to be able to load as known permissions

Signed-off-by: Gulshan Kumar <[email protected]>

Author: kumargu

libs/agent-sm/agent-policy/src/main/java/org/opensearch/secure_sm/policy/PolicyFile.java

@@ -8,6 +8,8 @@
 
 package org.opensearch.secure_sm.policy;
 
+import com.sun.tools.attach.AttachPermission;
+
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FilePermission;
@@ -166,6 +168,8 @@ private static Permission getKnownPermission(Class<?> claz, String name, String
             return new AllPermission();
         } else if (claz.equals(SecurityPermission.class)) {
             return new SecurityPermission(name, actions);
+        } else if (claz.equals(AttachPermission.class)) {
+            return new AttachPermission(name, actions);
         } else {
             return null;
         }