package cn.lxc.personal.swtich;
import org.apache.commons.net.telnet.*;
import org.apache.log4j.*;
import java.io.*;
public class TelnetSwitch
{
private TelnetClient telnet = new TelnetClient();
private InputStream in;
private PrintStream out;
private char prompt = '$';
static Logger logger = Logger.getLogger(TelnetSwitch.class.getName());
SwitchLog4j switchlog4j = new SwitchLog4j();
StringBuffer sbc = null;
private static final int SWITCH=0;
private static final int HOST=1;
public TelnetSwitch( String server, String user, String password,int type ) {
try {
// Connect to the specified server
telnet.connect( server, 23 );
// Get input and output stream references
in = telnet.getInputStream();
out = new PrintStream( telnet.getOutputStream() );
if(type==SWITCH){
// Log the user on
readUntil( "Login: " );
write( user );
readUntil( "assword: " );
write( password );
}
else if(type==HOST){
readUntil( "login: " );
write( user );
readUntil( "assword: " );
write( password );
}
// Advance to a prompt
readUntil( prompt + " " );
logger.info("logon successful!!!");
}
catch( Exception e ) {
e.printStackTrace();
logger.info("logon failed",e);
}
}
public void secondPassword( String password ) {
try {
write( "en" );
readUntil( "assword: " );
write( password );
prompt = '#';
readUntil( prompt + " " );
logger.info(password+"二次口令登录成功");
}
catch( Exception e ) {
e.printStackTrace();
logger.info(password,e);
}
}
public String readUntil( String pattern ) {
try {
char lastChar = pattern.charAt( pattern.length() - 1 );
StringBuffer sb = new StringBuffer();
boolean found = false;
char ch = ( char )in.read();
while( true ) {
System.out.print( ch );
sb.append( ch );
if( ch == lastChar ) {
if( sb.toString().endsWith( pattern ) ) {
return sb.toString();
}
}
ch = ( char )in.read();
}
}
catch( Exception e ) {
e.printStackTrace();
}
return null;
}
public String readUntilall( String pattern ) {
try {
char lastChar = pattern.charAt( pattern.length() - 1 );
StringBuffer sb = new StringBuffer();
boolean found = false;
char ch = ( char )in.read();
while( true ) {
System.out.print( ch );
sb.append( ch );
if( ch == lastChar ) {
if( sb.toString().substring(sb.length()-1,sb.length()).endsWith(pattern)) {
return sb.toString();
}
}
if( sb.toString().contains("ress any key to continue")) {
sendAnyKey("\u0032");
}
ch = ( char )in.read();
}
}
catch( Exception e ) {
e.printStackTrace();
}
return null;
}
public void write( String value ) {
try {
out.println( value );
out.flush();
System.out.println( value );
}
catch( Exception e ) {
e.printStackTrace();
}
}
public String sendCommand( String command ) {
try {
prompt = '#';
write( command );
return readUntil( prompt + " " );
}
catch( Exception e ) {
e.printStackTrace();
}
return null;
}
public String sendAnyKey( String command ) {
try {
prompt = '#';
write( command );
return readUntilall( prompt + " " );
}
catch( Exception e ) {
e.printStackTrace() ;
}
return null;
}
public void disconnect() {
try {
telnet.disconnect();
}
catch( Exception e ) {
e.printStackTrace();
}
}
public static void main( String[] args ) {
try {
if(args.length<4)
{
logger.info("参数不够,请输入四个参数,运行参数如下 ip 用户名 密码 二次密码");
System.exit(1);
}
logger.info("发送命令开始");
TelnetSwitch telnet = new TelnetSwitch( args[0], args[1], args[2],TelnetSwitch.SWITCH);
telnet.secondPassword(args[3]);
telnet.sendAnyKey("show fdb ");
logger.info("发送命令结束");
telnet.disconnect();
}
catch( Exception e ) {
e.printStackTrace();
}
}
}