关于“Python实现堡垒机模式下远程命令执行操作示例”的完整攻略,以下是详细说明:
什么是堡垒机模式?
堡垒机模式指的是一种安全管理策略,常用于强化管理服务器的可信度。在堡垒机模式下,只有在登录到堡垒机后,才能通过堡垒机访问到其他服务器;同时,只允许通过堡垒机来执行命令,以此来控制用户的访问权限。
Python实现堡垒机模式下远程命令执行的操作步骤
- 安装Python paramiko库
使用pip命令执行以下操作:
pip install paramiko
- 实现连接堡垒机的方法
import paramiko
def connect_jump(jump_host, jump_port, jump_user, jump_password):
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(jump_host, jump_port, username=jump_user, password=jump_password)
return ssh
- 实现连接目标服务器的方法
def connect_target(target_host, target_port, target_user, ssh):
transport = ssh.get_transport()
dest_addr = (target_host, target_port)
local_addr = ('', 0)
channel = transport.open_channel('direct-tcpip', dest_addr, local_addr)
ssh2 = paramiko.SSHClient()
ssh2.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh2.connect(target_host, port=target_port, username=target_user, password='', sock=channel)
return ssh2
- 实现在远程服务器上执行命令的方法
def run_command(client, command):
stdin, stdout, stderr = client.exec_command(command)
output = stdout.read()
return output
- 将以上方法组合起来
def remote_command(jump_host, jump_port, jump_user, jump_password,
target_host, target_port, target_user, command):
ssh = connect_jump(jump_host, jump_port, jump_user, jump_password)
ssh2 = connect_target(target_host, target_port, target_user, ssh)
output = run_command(ssh2, command)
ssh2.close()
ssh.close()
return output
在调用remote_command
方法时,需要输入堡垒机、目标服务器以及要执行的命令,如下所示:
output = remote_command("堡垒机IP地址", 22, "堡垒机用户名", "堡垒机密码",
"目标服务器IP地址", 22, "目标服务器用户名", "要执行的命令")
示例说明
示例1:在目标服务器上查看文件夹内容
在堡垒机模式下,通过Python远程连接到目标服务器,并在目标服务器上执行ls
命令,获取文件夹内容。
首先,需要在Python脚本中,导入paramiko
库,然后复制以上方法。在代码中,我们需要传入堡垒机和目标服务器的IP地址、端口号、用户名和密码,同时也需要输入想要执行的命令。
具体操作细节可以查看以下示例代码:
import paramiko
def connect_jump(jump_host, jump_port, jump_user, jump_password):
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(jump_host, jump_port, username=jump_user, password=jump_password)
return ssh
def connect_target(target_host, target_port, target_user, ssh):
transport = ssh.get_transport()
dest_addr = (target_host, target_port)
local_addr = ('', 0)
channel = transport.open_channel('direct-tcpip', dest_addr, local_addr)
ssh2 = paramiko.SSHClient()
ssh2.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh2.connect(target_host, port=target_port, username=target_user, password='', sock=channel)
return ssh2
def run_command(client, command):
stdin, stdout, stderr = client.exec_command(command)
output = stdout.read()
return output
def remote_command(jump_host, jump_port, jump_user, jump_password,
target_host, target_port, target_user, command):
ssh = connect_jump(jump_host, jump_port, jump_user, jump_password)
ssh2 = connect_target(target_host, target_port, target_user, ssh)
output = run_command(ssh2, command)
ssh2.close()
ssh.close()
return output
output = remote_command("192.168.1.10", 22, "user1", "password1",
"192.168.1.20", 22, "user2", "ls /home/user2")
print(output.decode())
示例2:在目标服务器上执行Python脚本
在堡垒机模式下,通过Python远程连接到目标服务器,并在目标服务器上执行Python脚本。
需要注意的是,如果要执行Python脚本,需要先安装Python,并将Python解释器的路径添加到系统变量PATH
中,否则会无法执行。
具体操作细节可以查看以下示例代码:
import paramiko
def connect_jump(jump_host, jump_port, jump_user, jump_password):
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(jump_host, jump_port, username=jump_user, password=jump_password)
return ssh
def connect_target(target_host, target_port, target_user, ssh):
transport = ssh.get_transport()
dest_addr = (target_host, target_port)
local_addr = ('', 0)
channel = transport.open_channel('direct-tcpip', dest_addr, local_addr)
ssh2 = paramiko.SSHClient()
ssh2.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh2.connect(target_host, port=target_port, username=target_user, password='', sock=channel)
return ssh2
def run_command(client, command):
stdin, stdout, stderr = client.exec_command(command)
output = stdout.read()
return output
def remote_command(jump_host, jump_port, jump_user, jump_password,
target_host, target_port, target_user, command):
ssh = connect_jump(jump_host, jump_port, jump_user, jump_password)
ssh2 = connect_target(target_host, target_port, target_user, ssh)
output = run_command(ssh2, command)
ssh2.close()
ssh.close()
return output
output = remote_command("192.168.1.10", 22, "user1", "password1",
"192.168.1.20", 22, "user2", "python3 /home/user2/example.py")
print(output.decode())
以上是Python实现堡垒机模式下远程命令执行操作的示例说明,如果需要在实际项目中应用,需要根据具体情况对代码进行修改。
本站文章如无特殊说明,均为本站原创,如若转载,请注明出处:Python实现堡垒机模式下远程命令执行操作示例 - Python技术站