我想绕过密码步骤/密码弹出窗口。我实际上是在弹出时尝试在内部分配密码。我不希望用户一次又一次地输入它。
现在我可以通过在密码的文本字段中没有任何内容点击OK来内部传递它，但我想摆脱提示
import com.jcraft.jsch.*;
import java.awt.*;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.swing.*;
public class JumpHosts {
TextPanel textPanel = new TextPanel();
public static String my_password = "password";
public void JumpHosts(final String[] arg,final String command,final TextPanel textPanel) {
StringBuffer resultDisplayBuffer = new StringBuffer();
SwingWorker sw = new SwingWorker(){
@Override
protected Object doInBackground() throws Exception {
try{
JSch jsch = new JSch();
if(arg.length <= 1){
System.out.println("This program expects more arguments.");
System.exit(-1);
}
Session session = null;
Session[] sessions = new Session[arg.length];
String host = arg[0];
String user = host.substring(0, host.indexOf('@'));
host = host.substring(host.indexOf('@')+1);
sessions[0] = session = jsch.getSession(user, host, 22);
session.setUserInfo(new MyUserInfo());
session.connect();
//resultDisplayBuffer.append("The session has been established to "+user+"@"+host+"\n");
textPanel.appendText("The session has been established to "+user+"@"+host+"\n",textPanel);
for(int i = 1; i < arg.length; i++){
host = arg[i];
user = host.substring(0, host.indexOf('@'));
host = host.substring(host.indexOf('@')+1);
int assinged_port = session.setPortForwardingL(0, host, 22);
//resultDisplayBuffer.append("portforwarding: "+
// "localhost:"+assinged_port+" -> "+host+":"+22+"\n");
textPanel.appendText("portforwarding: "+
"localhost:"+assinged_port+" -> "+host+":"+22+"\n",textPanel);
sessions[i] = session =
jsch.getSession(user, "localhost", assinged_port);
session.setUserInfo(new MyUserInfo());
session.setHostKeyAlias(host);
session.connect();
//resultDisplayBuffer.append("The session has been established to "+
// user+"@"+host+"\n");
textPanel.appendText("The session has been established to "+
user+"@"+host+"\n",textPanel);
}
//String command=JOptionPane.showInputDialog("Enter command, execed with sudo",
// "printenv SUDO_USER");
// String sudo_pass=null;
// {
// JTextField passwordField=(JTextField)new JPasswordField(8);
// Object[] ob={passwordField};
// int result=
// JOptionPane.showConfirmDialog(null,
// ob,
// "Enter password for sudo",
// JOptionPane.OK_CANCEL_OPTION);
// if(result!=JOptionPane.OK_OPTION){
// System.exit(-1);
// }
// sudo_pass=passwordField.getText();
// }
Channel channel=session.openChannel("exec");
// man sudo
// -S The -S (stdin) option causes sudo to read the password from the
// standard input instead of the terminal device.
// -p The -p (prompt) option allows you to override the default
// password prompt and use a custom one.
((ChannelExec)channel).setCommand("sudo -S -p '' "+command);
InputStream in = channel.getInputStream();
OutputStream out = channel.getOutputStream();
((ChannelExec) channel).setErrStream(System.err);
channel.connect();
out.write((my_password + "\n").getBytes());
out.flush();
byte[] tmp = new byte[1024];
while (true) {
while (in.available() > 0) {
int i = in.read(tmp, 0, 1024);
if (i < 0)
break;
//resultDisplayBuffer.append(new String(tmp,0,i));
textPanel.appendText(new String(tmp,0,i),textPanel);
}
if (channel.isClosed()) {
//resultDisplayBuffer.append(new String("exit-status: " + channel.getExitStatus())+ "\n");
textPanel.appendText(new String("exit-status: " + channel.getExitStatus())+ "\n",textPanel);
break;
}
try {
Thread.sleep(1000);
} catch (Exception ee) {
System.out.println(ee);
}
}
channel.disconnect();
//resultDisplayBuffer.append("Disconnect\n\n");
textPanel.appendText("Disconnect\n\n",textPanel);
for(int i = sessions.length-1; i >= 0; i--){
sessions[i].disconnect();
}
}
catch(Exception e){
System.out.println(e);
}
return null;
}
//return !("".equals(resultDisplayBuffer.toString())) ? resultDisplayBuffer.toString() : "Something is wrong here, check code for errors!";
public void done(){
try {
System.out.println(get());
} catch (Exception ex) {
ex.printStackTrace();
}
}
};
sw.execute();
}
public static class MyUserInfo implements UserInfo, UIKeyboardInteractive{
public String getPassword(){ return passwd; }
public boolean promptYesNo(String str){
Object[] options={ "yes", "no" };
int foo=JOptionPane.showOptionDialog(null,
str,
"Warning",
JOptionPane.DEFAULT_OPTION,
JOptionPane.WARNING_MESSAGE,
null, options, options[0]);
return foo==0;
}
String passwd;
//JTextField passwordField=(JTextField)new JPasswordField(20);
public String getPassphrase(){ return null; }
public boolean promptPassphrase(String message){ return true; }
public boolean promptPassword(String message){
//Object[] ob={passwordField};
//int result=
//JOptionPane.showConfirmDialog(null, ob, message,
// JOptionPane.OK_CANCEL_OPTION);
// if(result==JOptionPane.OK_OPTION){
passwd= my_password;//passwordField.getText();
return true;
//}
//else{ return false; }
}
public void showMessage(String message){
JOptionPane.showMessageDialog(null, message);
}
final GridBagConstraints gbc =
new GridBagConstraints(0,0,1,1,1,1,
GridBagConstraints.NORTHWEST,
GridBagConstraints.NONE,
new Insets(0,0,0,0),0,0);
private Container panel;
public String[] promptKeyboardInteractive(String destination,
String name,
String instruction,
String[] prompt,
boolean[] echo){
panel = new JPanel();
panel.setLayout(new GridBagLayout());
gbc.weightx = 1.0;
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.gridx = 0;
panel.add(new JLabel(instruction), gbc);
gbc.gridy++;
gbc.gridwidth = GridBagConstraints.RELATIVE;
JTextField[] texts=new JTextField[prompt.length];
for(int i=0; i<prompt.length; i++){
gbc.fill = GridBagConstraints.NONE;
gbc.gridx = 0;
gbc.weightx = 1;
panel.add(new JLabel(prompt[i]),gbc);
gbc.gridx = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.weighty = 1;
if(echo[i]){
texts[i]=new JTextField(20);
}
else{
texts[i]=new JPasswordField(20);
}
panel.add(texts[i], gbc);
gbc.gridy++;
}
if(JOptionPane.showConfirmDialog(null, panel,
destination+": "+name,
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE)
==JOptionPane.OK_OPTION)
{
String[] response = new String[] {my_password};//=new String[prompt.length];
// for(int i=0; i<prompt.length; i++){
// response[i]=texts[i].getText();
return response;
}
//String[] response = null;
//return response;
//}
//else{
//return null; // cancel
//}
return null;
}
}
}