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Man Pages
PAM_SELF(8) FreeBSD System Manager's Manual PAM_SELF(8)

pam_self —
Self PAM module

[service-name] module-type control-flag pam_self [options]

The Self authentication service module for PAM, pam_self provides functionality for only one PAM category: authentication. In terms of the module-type parameter, this is the “auth” feature.

The Self authentication component (pam_sm_authenticate()), returns success if and only if the target user's user ID is identical with the current real user ID. If the current real user ID is zero, authentication will fail, unless the allow_root option was specified.

The following options may be passed to the authentication module:

syslog(3) debugging information at LOG_DEBUG level.
suppress warning messages to the user. These messages include reasons why the user's authentication attempt was declined.
do not automatically fail if the current real user ID is 0.

getuid(2), pam.conf(5), pam(8)

The pam_self module and this manual page were developed for the FreeBSD Project by ThinkSec AS and NAI Labs, the Security Research Division of Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (“CBOSS”), as part of the DARPA CHATS research program.
December 5, 2001 FreeBSD 13.1-RELEASE
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