java socket telnet_基于socket用java实现telnet功能

蔚落 2021-09-07 06:13 662阅读 0赞

package test;

//import java.io.InputStream;

//import java.io.PrintStream;

import java.util.\*;

import java.io.\*;

import org.apache.commons.net.telnet.TelnetClient;

/\*\* \* 利用apache net 开源包，使用telnet方式获取AIX主机信息 \*@version 1.2 \*/

public class NetTelnet \{

// Telnet对象

private TelnetClient telnet = new TelnetClient();

private InputStream in;

private PrintStream out;

// 提示符。具体请telnet到AIX主机查看

private char prompt = '\#';

// telnet端口

private String port;

// 用户

private String user;

// 密码

private String password;

// IP地址

private String ip;

public NetTelnet(String Server) \{

try \{

// AIX主机IP

//this.ip = "route-server.ip.att.net";

this.ip=Server;

this.password = "rviews";

this.user = "rviews";

this.port = "23";

telnet.connect(ip, Integer.parseInt(port));

//System.out.println("开始获取输入流...");

in = telnet.getInputStream();

out = new PrintStream(telnet.getOutputStream());

// 登录

//以下代码片是用于判别出各种不同服务器的返回信息

//因为服务器数量不多，所以直接采取有限状态判断的办法

if (Server.equals("route-server.ip.att.net"))

readUntil("login:");

write("rviews");

readUntil("Password:");

write("rviews");

else if (Server.equals("route-server.twtelecom.net"))

readUntil("login:");

write("rviews");

readUntil("Password:");

write("rviews123");

else if (Server.equals("public-route-server.is.co.za"))

readUntil("Username:");

write("rviews");

readUntil("Password:");

write("rviews");

else if (Server.equals("tpr-route-server.saix.net"))

readUntil("Username:");

write("saix");

readUntil("Password:");

write("saix");

else if (Server.equals("route-server.as6667.net"))

readUntil("login:");

write("rviews");

readUntil("Password:");

write("Rviews");

else if (Server.equals("route-server.newyork.ny.ibone.comcast.net"))

readUntil("Username:");

write("rviews");

else if (Server.equals("route-server.host.net"))

readUntil("Password:");

write("routes");

else if (Server.equals("route-server.east.allstream.com"))

readUntil("Username:");

write("rserv");

else if (Server.equals("route-server.west.allstream.com"))

readUntil("Username:");

write("rserv");

else if (Server.equals("route-server.nevadanap.com"))

readUntil("Password:");

write("rviews");

else if (Server.equals("route-views.oregon-ix.net"))

readUntil("Username:");

write("rviews");

//readUntil(prompt + " ");

\} catch (Exception e) \{

e.printStackTrace();

/\*\* \* 读取分析结果 \* \*@param pattern \*@return \*/

public String readUntil(String pattern) \{

try \{

char lastChar = pattern.charAt(pattern.length() - 1);//最后一个字符

StringBuffer sb = new StringBuffer();

//long startMili=System.currentTimeMillis();

//long endMili=System.currentTimeMillis();

char ch = (char) in.read();

while (true) \{

sb.append(ch);//若未到最后一个字符则继续对比下一个字符，并把当前字符存储进sb中

if (ch == lastChar) \{

if (sb.toString().endsWith(pattern)) \{

return sb.toString();

ch = (char) in.read();

\} catch (Exception e) \{

e.printStackTrace();

return null;

/\*\* \* 写 \* \*@param value \*/

public void write(String value) \{

try \{

out.println(value);

out.flush();

\} catch (Exception e) \{

e.printStackTrace();

/\*\* \* 向目标发送命令字符串 \* \*@param command \*@return \*/

public String endUntil(String pattern1,String pattern2) \{

try \{

char lastChar = pattern1.charAt(pattern1.length() - 1);//最后一个字符

StringBuffer sb = new StringBuffer();

//long startMili=System.currentTimeMillis();

//long endMili=System.currentTimeMillis();

char ch = (char) in.read();

while (true) \{

sb.append(ch);//若未到最后一个字符则继续对比下一个字符，并把当前字符存储进sb中

if (ch == lastChar) \{

if (sb.toString().endsWith(pattern1)) \{

return sb.toString();

if (sb.toString().endsWith(pattern2)) \{

return sb.toString();

ch = (char) in.read();

\} catch (Exception e) \{

e.printStackTrace();

return null;

public String sendCommand(String command, String ipAddress) \{

try \{

write(command+ipAddress);

System.out.println(command+ipAddress);

//return readUntil(prompt + " ");

readUntil(command+ipAddress);

//System.out.println("check1");

//readUntil("jym");

//System.out.println("check2");

return endUntil("\* \* \*","\* \* \*");

\} catch (Exception e) \{

e.printStackTrace();

return null;

/\*\* \* 关闭连接 \* \*/

public void disconnect() \{

try \{

telnet.disconnect();

\} catch (Exception e) \{

e.printStackTrace();

public static void main(String\[\] arg) \{

try \{

//System.out.println("开始执行telnet......");

String Server=arg\[0\];//"route-server.belwue.de";

String ipAddress=arg\[1\];//"1.1.1.1";

NetTelnet telnet = new NetTelnet(Server);

String result = telnet.sendCommand("traceroute ",ipAddress);

//System.out.println("显示结果");

System.out.println(result);

// 最后一定要关闭

telnet.disconnect();

\} catch (Exception e) \{

e.printStackTrace();

java socket telnet_基于socket用java实现telnet功能

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