关于sudo su的想法-用户-在Jsch中 [英] Idea regarding sudo su - user - in jsch
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问题描述
我在jsch中使用sudo su时遇到问题，以下是我的帖子(exec.java):
I am having problems with using sudo su in jsch, below is my post(exec.java):
package com.test;
import com.jcraft.jsch.*;
import java.awt.*;
import javax.swing.*;
import java.io.*;
public class Exec{
public static void main(String[] arg){
try{
JSch jsch=new JSch();
String host=null;
if(arg.length>0){
host=arg[0];
}
else{
host=JOptionPane.showInputDialog("Enter username@hostname",
"username"+
"@hostName");
}
String user=host.substring(0, host.indexOf('@'));
host=host.substring(host.indexOf('@')+1);
Session session=jsch.getSession(user, host, 22);
/*
String xhost="127.0.0.1";
int xport=0;
String display=JOptionPane.showInputDialog("Enter display name",
xhost+":"+xport);
xhost=display.substring(0, display.indexOf(':'));
xport=Integer.parseInt(display.substring(display.indexOf(':')+1));
session.setX11Host(xhost);
session.setX11Port(xport+6000);
*/
// username and password will be given via UserInfo interface.
UserInfo ui=new MyUserInfo();
session.setUserInfo(ui);
session.connect();
String command = "cd bin";
System.out.println(command);
Channel channel=session.openChannel("exec");
channel.setInputStream(null);
((ChannelExec)channel).setErrStream(System.err);
InputStream in=channel.getInputStream();
channel.connect();
((ChannelExec)channel).setCommand("sudo su - user -");
byte[] tmp=new byte[1024];
while(true){
while(in.available()>0){
int i=in.read(tmp, 0, 1024);
if(i<0)break;
System.out.print(new String(tmp, 0, i));
}
if(channel.isClosed()){
System.out.println("exit-status: "+channel.getExitStatus());
break;
}
try{Thread.sleep(1000);}catch(Exception ee){}
System.out.println("te");
}
channel.disconnect();
session.disconnect();
}
catch(Exception e){
System.out.println(e);
}
}
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=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[prompt.length];
for(int i=0; i<prompt.length; i++){
response[i]=texts[i].getText();
}
return response;
}
else{
return null; // cancel
}
}
}
}
普通的sudo su很好，但是我想在sudo su之后运行多个命令，其中有些要点可能会提供参考.
Normal sudo su is good but I want to run multiple commands after sudo su, some of the points which might be informative.
- 登录服务器并使用用户sudo
- sudo su-用户-没有密码
- 执行一些命令
致谢
icr
推荐答案
我还必须在远程服务器上ssh，然后用不同的用户sudo并最终执行命令，我所做的是:
I also have to ssh on a remote server, then sudo with diffrent user and finally execute a command, what I did is:
package oracle.idaas.changelog.util;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import org.apache.log4j.Logger;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
public class Test {
final static Logger logger = Logger.getLogger(Test.class);
public static void main(String[] args) {
try {
JSch jsch = new JSch();
String user = "opc";
String host = "101.252.109.112";
String password = "NotMyPassword"
int port = 22;
Session session = jsch.getSession(user, host, port);
System.out.println("session created.");
session.setConfig("StrictHostKeyChecking", "no");
session.setPassword(password);
session.connect();
ChannelExec channel=(ChannelExec) session.openChannel("exec");
BufferedReader in=new BufferedReader(new InputStreamReader(channel.getInputStream()));
channel.setCommand("sudo su - oracle -c \"pwd\";");
channel.connect();
String msg=null;
List<String> lines = new ArrayList<>();
while((msg=in.readLine())!=null){
System.out.println(msg);
lines.add(msg);
}
channel.disconnect();
session.disconnect();
} catch(Exception e){
logger.fatal("Remote BTU Process FAILED" + e);
}
}
}
如果看到 sudo su-oracle -c您的命令" 将解决您的问题.
If you see sudo su - oracle -c "your-command" will solve your problem.
这篇关于关于sudo su的想法-用户-在Jsch中的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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