telnet远程登陆程序

川长思鸟来 2022-05-22 08:58 243阅读 0赞

<dependency>
       <groupId>commons-net</groupId>
       <artifactId>commons-net</artifactId>
       <version>3.4</version>
    </dependency>

package cn.tisson.ipran.gdcsgcf.driver.client;
    
    import org.apache.commons.net.telnet.TelnetClient;
    import org.apache.commons.net.telnet.TelnetOptionHandler;
    import org.apache.commons.net.telnet.TerminalTypeOptionHandler;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    import java.io.InputStreamReader;
    import java.io.OutputStreamWriter;
    
    public class TelCommandDriver extends CommandDriver {
       protected Logger log = LoggerFactory.getLogger(TelCommandDriver.class);
       protected TelnetClient telnetClient = null;// telnet客户端
       @Override
       public int open(String ip, int port, String loginPrompt, String userName,
                   String pwdPrompt, String pwd, String commandPrompt,StringBuffer resultBuf) {
          if(isOpen){
             return 0;
          }
          if (ip == null || ip.equals("") || port < -1) {
             log.error("需要telnet连接的ip 或端口不正确，请校验,ip="+ip+",port="+port);
             return -1;
          }
          try {
             this.ip=ip;
             telnetClient = new TelnetClient();
             TelnetOptionHandler optionhandler = new TerminalTypeOptionHandler(
                   "dumb", true, true, true, true);
             telnetClient.addOptionHandler(optionhandler);
             telnetClient.setDefaultTimeout(2000000);
             telnetClient.connect(ip, port);
             telnetClient.setSoTimeout(2000000);
          } catch (Exception e) {
             resultBuf.append(e.getMessage());
             close();
             log.error(ip+" 打开telnet 连接出现异常，连接ip端口为" + ip + ":" + port, e);
             return -2;
          }
          String result=null;
          try {
             isr = new InputStreamReader(telnetClient.getInputStream(),
                   charsetName);
             osr = new OutputStreamWriter(telnetClient.getOutputStream(),
                   charsetName);
             result = read(loginPrompt, 30000);
             if (result.indexOf(loginPrompt) < 0) {
                close();
                if(result !=null && !"".equals(result)){
                   resultBuf.append(ip+" 没有接收到输入用户名的提示符" + loginPrompt + "接收到的是" + result);
                }
                log.error(ip+" 没有接收到输入用户名的提示符" + loginPrompt + "接收到的是" + result);
                return -3;
             }
             write(userName);
             // add  by yw 延长网元响应时间
             result = read(pwdPrompt, 60000);
             if (result.indexOf(pwdPrompt) < 0) {
                close();
                if(result !=null && !"".equals(result)){
                   resultBuf.append(ip+" 没有接收到输入密码的提示符" + pwdPrompt + "接收到的是" + result);
                }
                log.error(ip+" 没有接收到输入密码的提示符" + pwdPrompt + "接收到的是" + result);
                return -4;
             }
             write(pwd);
             result = read(commandPrompt, 30000);
             resultBuf.append(result);
             //yw 2018/4/24
             if(this.isAutoAnswer){
                this.write("N");
                result=read(commandPrompt);
                resultBuf.append(result);
             }
    //       write("N");
    //       result = read(commandPrompt, 30000);
    //       resultBuf.append(result);
             if (result.indexOf(commandPrompt) < 0) {
                resultBuf.append(ip+" 没有接收到成功命令的提示符" + commandPrompt);
                log.error(ip+" 没有接收到成功命令的提示符" + commandPrompt + "接收到的是" + result);
                //认证失败
                if(result.contains("Error")||result.contains(loginPrompt)){
                   close();
                   log.error(ip+" 认证失败接收到的是" + result);
                   return -23;
                }
                close();
    
                return -5;
             }
             this.commandPrompt=result.substring(result.lastIndexOf("\n")+1);
          } catch (Exception e) {
             resultBuf.append(e.getMessage());
             close();
             log.error(ip+" 读取数据出现异常" + ip + ":" + port, e);
             return -6;
          }
          this.isOpen = true;
          return 0;
       }
    
    
       public int open(String ip, int port, String loginPrompt, String userName,
                   String pwdPrompt, String pwd, String commandPrompt,StringBuffer resultBuf,String noN) {
      //open过程中不输入“N”,主要因为九博U3设备在en之前不能有错误命令
          if(isOpen){
             return 0;
          }
          if (ip == null || ip.equals("") || port < -1) {
             log.error("需要telnet连接的ip 或端口不正确，请校验,ip="+ip+",port="+port);
             return -1;
          }
          try {
             this.ip=ip;
             telnetClient = new TelnetClient();
             TelnetOptionHandler optionhandler = new TerminalTypeOptionHandler(
                   "dumb", true, true, true, true);
             telnetClient.addOptionHandler(optionhandler);
             telnetClient.setDefaultTimeout(2000000);
             telnetClient.connect(ip, port);
             telnetClient.setSoTimeout(2000000);
          } catch (Exception e) {
             resultBuf.append(e.getMessage());
             close();
             log.error(ip+" 打开telnet 连接出现异常，连接ip端口为" + ip + ":" + port, e);
             return -2;
          }
          String result=null;
          try {
             isr = new InputStreamReader(telnetClient.getInputStream(),
                   charsetName);
             osr = new OutputStreamWriter(telnetClient.getOutputStream(),
                   charsetName);
             result = read(loginPrompt, 30000);
    
             if (result.indexOf(loginPrompt) < 0) {
                close();
                if(result !=null && !"".equals(result)){
                   resultBuf.append(ip+" 没有接收到输入用户名的提示符" + loginPrompt + "接收到的是" + result);
                }
                log.error(ip+" 没有接收到输入用户名的提示符" + loginPrompt + "接收到的是" + result);
                return -3;
             }
             write(userName);
             // add  by yw 延长网元响应时间
             result = read(pwdPrompt, 60000);
    
             if (result.indexOf(pwdPrompt) < 0) {
                close();
                if(result !=null && !"".equals(result)){
                   resultBuf.append(ip+" 没有接收到输入密码的提示符" + pwdPrompt + "接收到的是" + result);
                }
                log.error(ip+" 没有接收到输入密码的提示符" + pwdPrompt + "接收到的是" + result);
                return -4;
             }
             write(pwd);
             result = read(commandPrompt, 30000);
             resultBuf.append(result);
    //       write("N");
    //       result = read(commandPrompt, 30000);
             resultBuf.append(result);
             if (result.indexOf(commandPrompt) < 0) {
                resultBuf.append(ip+" 没有接收到成功命令的提示符" + commandPrompt);
                log.error(ip+" 没有接收到成功命令的提示符" + commandPrompt + "接收到的是" + result);
                //认证失败
                if(result.contains("Error")||result.contains(loginPrompt)){
                   close();
                   log.error(ip+" 认证失败接收到的是" + result);
                   return -23;
                }
                close();
    
                return -5;
             }
             this.commandPrompt=result.substring(result.lastIndexOf("\n")+1);
          } catch (Exception e) {
             resultBuf.append(e.getMessage());
             close();
             log.error(ip+" 读取数据出现异常" + ip + ":" + port, e);
             return -6;
          }
          this.isOpen = true;
          return 0;
       }
       @Override
       public void close(){
          super.close();
          try {
             if (telnetClient != null) {
                telnetClient.disconnect();
             }
          } catch (Exception e) {
          }finally {
             telnetClient = null;
          }
       }
       public static void main(String [] args) throws Exception{
          TelCommandDriver d=new TelCommandDriver();
          //int result=d.open("4.108.128.162", 23, ":", "noc189", ":", "1qaz#EDC", ">");
          StringBuffer buf = new StringBuffer();
          //"10.54.208.76", 23, "swgdjwg", "swwg@123", "swcywsup", buf
          int result=d.open("*.*.*.*", 23, ":", "dd@dd", ":", "jmcsg", ">", buf);
          System.out.println("result="+result);
          if(result>=0){
             buf.delete(0, buf.length());
          }
          System.out.println("buf="+buf);
          if(result==0){
             //d.write("display ip interface brief | include GigabitEthernet");
    //       d.write("en");
    //       String temp=d.read("#");
    //       d.write("2@@5SgJ…R");
             String temp1=d.read(">");
             System.out.println(temp1);
             d.write("dis version");
             String temp2=d.read(">");
             System.out.println(temp2);
          }
          d.close();
       }
    }

package cn.tisson.ipran.gdcsgcf.driver.client;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.OutputStreamWriter;
    
    
    public abstract class CommandDriver implements ICommandDriver{
       protected Logger log = LoggerFactory.getLogger(CommandDriver.class);
       protected InputStreamReader isr;// 输入流
       protected OutputStreamWriter osr;// 输出流
       protected boolean isOpen = false;// 是否已经打开连接，防止打开多次
       protected String ip;
       protected String userName;
       protected String pwd;
       protected String commandPrompt;
       protected String loginPrompt;
       protected String pwdPrompt;
       protected int outTime=10000;
       protected String charsetName="iso8859-1";
       protected String neName;
       protected boolean isAutoAnswer = false;
    
       public boolean isAutoAnswer() {
          return isAutoAnswer;
       }
       @Override
       public abstract int open(String ip, int port, String loginPrompt, String userName,
                          String pwdPrompt, String pwd, String commandPrompt,StringBuffer resultBuf);
       @Override
       public void close() {
          this.isOpen = false;
          try {
             if (isr != null) {
                isr.close();
             }
          } catch (IOException e) {
             log.error(this.ip + "closed inputStreamRead failed", e);
          } finally {
             isr = null;
          }
          try {
             if (osr != null) {
                osr.close();
             }
    
          } catch (IOException e) {
             log.error(this.ip + "closed outputStramRead failed", e);
          } finally {
             osr = null;
          }
       }
       @Override
       public void write(String command) throws Exception {
          log.debug(ip+" 发送的命令为"+command);
          clearReadBuffer();
          osr.write(command+ getTerminalSendPostfix());
          osr.flush();
       }
    
       @Override
       public void write(String command,String terminalSendPostfix) throws Exception {
          log.debug(ip+" 发送的命令为"+command);
          clearReadBuffer();
          osr.write(command+ terminalSendPostfix);
          osr.flush();
       }
    
       @Override
       public String read() throws Exception {
          return this.read(new StringResponseEndChecker() {
    
             @Override
             public boolean isResponseEnd(StringBuffer data) {
                if (data!=null&&data.toString().trim().endsWith(commandPrompt)) {
                   return true;
                }
                return false;
             }
          }, this.outTime);
       }
    
       @Override
       public String read(String terminator) throws Exception {
          return this.read(terminator, this.outTime);
       }
       @Override
       public String read(final String terminator,int timeout) throws Exception {
          return this.read(new StringResponseEndChecker() {
    
             @Override
             public boolean isResponseEnd(StringBuffer data) {
                if (data!=null&&data.toString().trim().endsWith(terminator)) {
                   return true;
                }else if(data!=null&&data.toString().trim().endsWith("[Y/N]:")){
                   isAutoAnswer=true;
                   return true;
                }
                return false;
             }
          }, timeout);
       }
       public boolean isOpen(){
          return this.isOpen;
       }
       @Override
       public void setCharsetName(String charsetName) {
          if(charsetName!=null)
             this.charsetName=charsetName;
       }
       @Override
       public String getUsername() {
    
          return this.userName;
       }
    
       @Override
       public String getPassword() {
    
          return this.pwd;
       }
    
       @Override
       public String getNeName() {
    
          return this.neName;
       }
       /** * 清空接受 */ private void clearReadBuffer() {
          BufferedReader br = null;
          try {
             if (isr!=null) {
                br = new BufferedReader(isr);
                while (br.ready()) {
                   br.read();
                }
             }
          } catch (Exception e) {
             log.error("清空read buffer 出现异常", e);
          }
       }
       /** * 命令发送结尾符 * @return */ protected String getTerminalSendPostfix() {
          return "\r\n";
       }
       @Override
       public String read(StringResponseEndChecker checker, long timeout) throws IOException{
          long time = System.currentTimeMillis() + timeout;
          StringBuffer sb = new StringBuffer();
          BufferedReader br = null;
          boolean readed = false;
          boolean isClose=true;//用来判断网络是否正常 true不正常 false正常
          br = new BufferedReader(isr);
          while (System.currentTimeMillis() < time) {
             try {
                if (br.ready()) {
                   int brchar = br.read();
                   if((32<=brchar&&brchar<=127)||brchar==10||brchar==13) {
                      sb.append((char) brchar);
                   }
                   readed = true;
                   isClose=false;
                } else {
                   if ((checker != null) && (readed == true)) {
                      readed = false;
                      if (checker.isResponseEnd(sb))
                         break;
                   }
                   Thread.sleep(150);
                }
             } catch (InterruptedException e) {
                log.error("读取数据出现异常",e);
             }
          }
          if(isClose&&sb.length()==0){
             this.isOpen=false;
             throw new IOException("网络已经中断.....");
          }
          String temp=sb.toString();
    //    temp=temp.substring(temp.indexOf("\n")+1);//删除命令回显
          log.debug(ip+" 接受到的数据为"+temp);
          return temp;
       }
       @Override
       public void setOutTime(int outTime) {
          if(outTime>5000)
             this.outTime = outTime;
       }
       @Override
       public int getOutTime() {
          return outTime;
       }
    
    }

package cn.tisson.ipran.gdcsgcf.driver.client;
    
    public interface ICommandDriver {
       public boolean isAutoAnswer();
       /** * 打开连接 * @param ip telnet ip地址 如127.0.0.1 * @param port telnet 端口号 如23 * @param loginPrompt 用户名输入提示符 如userName： * @param userName 用户名 如who * @param pwdPrompt 输入密码提示符 如Password： * @param pwd 密码 如who * @param commandPrompt 登陆成功提示符 如> * @return 0成功，-1数据可是不对 -2没有接到输入用户名提示符 -3没有接收到密码提示符 -4没有接到登陆成功提示符 -5出现异常 */ public abstract int open(String ip, int port, String loginPrompt,String userName, String pwdPrompt, String pwd,    String commandPrompt,StringBuffer resultBuf);
       /** * 关闭连接 */ public void close();
       /** * 获取登录用户名 * @return */ public String getUsername();
       /** * 获取登录密码 * @return */ public String getPassword();
       /** * 获取网元名称 * @return */ public String getNeName();
       /** * 发送命令 * @param command * @throws Exception */ public void write(String command) throws Exception;
       /** * 发送命令 * @param command * @param terminalSendPostfix \r\n \r * @throws Exception */ public void write(String command,String terminalSendPostfix) throws Exception;
       /** * 接受命令结果 * @return * @throws Exception */ public String read() throws Exception;
       /** * 接受命令结果直到结束 * @param terminator * @return * @throws Exception */ public String read(String terminator)throws Exception;
       /** * 设置字符集 * @param charsetName */ public void setCharsetName(String charsetName);
       /** * @param terminator * @param timeout * @return * @throws Exception */ String read(String terminator, int timeout) throws Exception;
       /** * 返回连接状态 主要是主动关闭 */ public boolean isOpen();
       /** * 设置默认超时时间单位毫秒 * @param outTime */ public void setOutTime(int outTime);
       public int getOutTime();
       String read(StringResponseEndChecker checker, long timeout) throws Exception;
    }