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April, 26th. 2006:
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PAM_ROOTOK
Section: Linux\-PAM Manual (8) Updated: 04/01/2016 Index
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NAME
pam_rootok - Gain only root access
SYNOPSIS
-
pam_rootok.so [debug]
DESCRIPTION
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.
OPTIONS
debug
-
Print debug information.
MODULE TYPES PROVIDED
The
auth,
acct
and
password
module types are provided.
RETURN VALUES
PAM_SUCCESS
-
The
UID
is
0.
PAM_AUTH_ERR
-
The
UID
is
not0.
EXAMPLES
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
configuration file:
-
# su authentication. Root is granted access by default.
auth sufficient pam_rootok.so
auth required pam_unix.so
SEE ALSO
su(1),
pam.conf(5),
pam.d(5),
pam(8)
AUTHOR
pam_rootok was written by Andrew G. Morgan, <morgan@kernel.org>.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- MODULE TYPES PROVIDED
-
- RETURN VALUES
-
- EXAMPLES
-
- SEE ALSO
-
- AUTHOR
-
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