问题描述
我正在尝试在Ubuntu服务器上从PHP运行非特权用户拥有的Shell脚本.权限问题使使用exec()运行它不切实际，因为运行它的是www-data.我在Google上进行了一些搜索，找到了对suExec的各种引用(似乎很难解决这么小的问题)，设置suid位，以及Stackoverflow上的一种有趣的方法，其中涉及Python服务器监听发送的命令通过PHP.
I'm trying to run a shell script owned by a non-privileged user from PHP on an Ubuntu server. Issues with permissions make running it with exec() impractical, as it's www-data that's running it. I've googled a bit and found varius references to suExec (which seems too much of a hassle to get working for such a small problem), setting the suid bit, and an interesting approach here on Stackoverflow involving a Python server listening for commands sent by PHP.
无论如何，在所有这些解决方案中，我倾向于一种涉及设置suid位的方法，尝试了一下，但没有成功:chmod u+s script.sh，而且我的Apache日志仍然显示权限错误，所以我知道脚本是不是以所有者身份运行，而是以www-data身份运行.
Anyway, of all of these solutions, I lean towards the one involving setting the suid bit, tried it and it didn't work : chmod u+s script.sh, and my Apache logs still show permission errors, so I know the script is not running as it's owner but as www-data.
要使此功能正常工作，我该怎么做?有没有更简单的解决方案?
What do I have to do to get this working, and is there a simpler solution for this problem ?
推荐答案
看看sudo的手册页:sudo -u your_other_user将让您以其他用户的身份执行命令.
Take a look at the man page for sudo: sudo -u your_other_user will let you execute the command as the other user.
还使用man sudoers查找用户可以使用sudo执行哪些命令的选项.
Also use man sudoers to look for options on which user can execute what commands with sudo.
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