pam_rootok is a PAM module that authenticates the user if their UID is
0. Applications that are created setuid-root generally retain the UID
of the user but run with the authority of an enhanced effective-UID. It
is the real UID that is checked.
Print debug information.
MODULE TYPES PROVIDED
The auth, acct and password module types are provided.
The UID is 0.
The UID is not0.
In the case of the su(1) application the historical usage is to permit
the superuser to adopt the identity of a lesser user without the use of
a password. To obtain this behavior with PAM the following pair of
lines are needed for the corresponding entry in the /etc/pam.d/su
# su authentication. Root is granted access by default.
auth sufficient pam_rootok.so
auth required pam_unix.so
su(1), pam.conf(5), pam.d(5), pam(7)
pam_rootok was written by Andrew G. Morgan, <email@example.com>.
Linux-PAM Manual 09/19/2013 PAM_ROOTOK(8)
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