击：检查，如果用户是一组 [英] Bash: check if a user is in a group

问题描述

我跑，我使用PHP运行bash脚本来验证用户的特定信息的服务器。例如，我有一个虚拟主机服务器架设，并且为了能够到其他域添加到他们的帐户，我要验证用户是否确实是客户组的成员。什么是做到这一点的最好方法是什么？

I have a server running where I use php to run a bash script to verify certain information of a user. For example, I have a webhosting server set up, and in order to be able to add another domain to their account I want to verify if the user is actually a member of the 'customers' group. What would be the best way to do this?

我已搜查谷歌，但都说到了是方式请检查是否一个用户或组存在，所以谷歌是不是一个很大的帮助，现在。

I have searched google, but all it comes up with is ways to check wether a user or a group exists, so google is not being a big help right now.

任何帮助将大大AP preciated。

Any help would be greatly appreciated.

推荐答案

试着做这样的：

username=ANY_USERNAME
if getent group $username | grep &>/dev/null '\bcustomers\b'; then
    echo true
else
    echo false
fi

或

username=ANY_USERNAME
if groups $username | grep &>/dev/null '\bcustomers\b'; then
    echo true
else
    echo false
fi

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