[linux-help] Question with 'chroot'.

[Wang Min <wangmin@xxxxxxxxxxxxx>]

Dear fellows,

I want chroot to do this job, when a user logins to my linux box, first his 
group id is checked, for example, if he is not in the root group, then his root 
directory switchs to /user, and I think the security situation is dramatically 
improved by this method. As far as I know, I should modify the /bin/login 
source code and overwrite it with the new one to achieve the goal, the fact is 
I am a newbie to Linux and don't know how to get the login source code and how 
to modify it as well, anybody help me?

Thanks.

Wang





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