在 SSH 会话中查找客户端的 IP 地址 [英] Find the IP address of the client in an SSH session

问题描述

我有一个脚本，该脚本由使用 SSH 登录服务器的人运行

I have a script that is to be run by a person that logs in to the server with SSH.

有没有办法自动找出用户连接的 IP 地址?

Is there a way to find out automatically what IP address the user is connecting from?

当然，我可以问用户(它是程序员的工具，所以没问题)，但如果我刚发现就更酷了.

Of course, I could ask the user (it is a tool for programmers, so no problem with that), but it would be cooler if I just found out.

推荐答案

检查是否有环境变量调用:

Check if there is an environment variable called:

$SSH_CLIENT 

或

$SSH_CONNECTION

(或任何其他环境变量)在用户登录时设置.然后使用用户登录脚本处理它.

(or any other environment variables) which gets set when the user logs in. Then process it using the user login script.

提取IP:

$ echo $SSH_CLIENT | awk '{ print $1}'
1.2.3.4
$ echo $SSH_CONNECTION | awk '{print $1}'
1.2.3.4

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