On Fri, Jun 27, 2014 at 07:33:06PM +0200, Lukas Slebodnik wrote:
On (28/06/14 00:03), XuQing Tan wrote:
>Hi folks
>
>i setup sssd 1.9.2 on centos 6 x64
>i can get the user info via 'id <user>'
>i can su to that user as root (no password prompt since i'm root)
>
>[root@nick-ldap ~]# su - nick
>-sh-4.1$ exit
>logout
>
root can swith to another user without any prompting password.
(pam_sss was not involved)
It is default behaviour.
I am not pam expert, but it should be caused by next line in /etc/pam.d/su
account sufficient pam_succeed_if.so uid = 0 use_uid quiet
It's pam_rootok:
http://linux.die.net/man/8/pam_rootok