远程连接堡垒机

import paramiko

# 堡垒机配置
jump_host = 'jump.example.com'
jump_port = 22
jump_user = 'jump_user'
jump_password = 'jump_password'

# 目标系统配置
target_host = 'target.example.com'
target_port = 22
target_user = 'target_user'
target_password = 'target_password'

# 创建SSH客户端
ssh_client = paramiko.SSHClient()
ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())

# 连接到堡垒机
jump_transport = ssh_client.connect(hostname=jump_host, port=jump_port, username=jump_user, password=jump_password)

# 创建通道通过堡垒机连接到目标系统
channel = jump_transport.open_channel("direct-tcpip", (target_host, target_port), ('localhost', 0))

# 创建新的SSH客户端连接到目标系统
target_ssh_client = paramiko.SSHClient()
target_ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
target_ssh_client.connect(hostname='localhost', port=channel.get_local_port(), username=target_user, password=target_password, sock=channel)

# 执行命令
stdin, stdout, stderr = target_ssh_client.exec_command('ls -l')
print(stdout.read().decode())

# 关闭连接
target_ssh_client.close()
jump_transport.close()
ssh_client.close()