JAVA-Python-C#-C++实现SSH2远程调用Linux主机执行命令

JAVA

1import java.io.BufferedReader;
2import java.io.IOException;
3import java.io.InputStream;
4import java.io.InputStreamReader;
5import com.jcraft.jsch.ChannelExec;
6import com.jcraft.jsch.JSch;
7import com.jcraft.jsch.JSchException;
8import com.jcraft.jsch.Session;
9
10public class SSHHelper {
11    /**
12     * 远程 执行命令并返回结果调用过程 是同步的（执行完才会返回）
13     * @param host  linux主机名
14     * @param user  用户名
15     * @param psw   密码
16     * @param port  端口
17     * @param command   命令行
18     * @return
19     */
20    public static String exec(String host,String user,String psw,int port,String command){
21        StringBuffer sb= new StringBuffer();
22        Session session =null;
23        ChannelExec openChannel =null;
24        try {
25            JSch jsch=new JSch();
26            session = jsch.getSession(user, host, port);
27            java.util.Properties config = new java.util.Properties();
28            config.put("StrictHostKeyChecking", "no");//跳过公钥的询问
29            session.setConfig(config);
30            session.setPassword(psw);
31            session.connect(5000);//设置连接的超时时间
32            openChannel = (ChannelExec) session.openChannel("exec");
33            openChannel.setCommand(command); //执行命令
34            int exitStatus = openChannel.getExitStatus(); //退出状态为-1，直到通道关闭
35            System.out.println(exitStatus);
36
37            // 下面是得到输出的内容
38            openChannel.connect();
39            InputStream in = openChannel.getInputStream();
40            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
41            String buf = null;
42            while ((buf = reader.readLine()) != null) {
43                sb.append(buf+"\n");
44            }
45        } catch (JSchException | IOException e) {
46            sb.append(e.getMessage()+"\n");
47        }finally{
48            if(openChannel!=null&&!openChannel.isClosed()){
49                openChannel.disconnect();
50            }
51            if(session!=null&&session.isConnected()){
52                session.disconnect();
53            }
54        }
55        return sb.toString();
56    }
57
58
59    public static void main(String args[]){
60        String exec = exec("***.***.***.***", "***", "***", 22, "ls");
61        System.out.println(exec);
62    }
63}

Python

1import paramiko
2
3ssh = paramiko.SSHClient()
4ssh.load_system_host_keys()
5ssh.connect(hostname='***.***.***.***', port=22,username='root', password='password')
6stdin, stdout, stderr = ssh.exec_command("ls -lh")
7print(stdout.read().decode('UTF-8', 'ignore'))
8ssh.close()

C#

1using System;
2using System.Collections.Generic;
3using System.Linq;
4using System.Text;
5using System.Threading.Tasks;
6
7using Tamir.SharpSsh;
8
9namespace SSHTest{
10class Program
11{
12
13public static string ssh_conn(string ip, string root, string pass, string command)
14        {
15
16            SshStream ssh = new SshStream(ip, root, pass);
17            ssh.Prompt = "#";
18            ssh.RemoveTerminalEmulationCharacters = true; 
19            string response = ssh.ReadResponse();
20            ssh.Write(command);
21            ssh.Flush();
22            ssh.Write("/n");
23            response = ssh.ReadResponse();
24            //Console.WriteLine(response);
25            return response;
26
27        }
28}
29
30}

C++

1#include <iostream>
2#include "ssh2.h"
3 
4int main(int argc, const char * argv[])
5{
6    using namespace std;
7    using namespace fish;
8    
9    Ssh2 ssh("***.***.***.***");
10    ssh.Connect("test","xxxxxx");
11    Channel* channel = ssh.CreateChannel();
12    channel->Write("cd /;pwd");
13    cout<<channel->Read()<<endl;
14    channel->Write("ssh 127.0.0.1");
15    cout<<channel->Read(":")<<endl;
16    channel->Write("xxxxxx");
17    cout<<channel->Read()<<endl;
18    channel->Write("pwd");
19    cout<<channel->Read()<<endl;
20    delete channel;
21    return 0;
22}