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Manual Pages  — PAM_OPIEACCESS

NAME

pam_opieaccess – OPIEAccess PAM module

CONTENTS

SYNOPSIS

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

DESCRIPTION

The pam_opieaccess module is used in conjunction with the pam_opie(8) PAM module to ascertain that authentication can proceed by other means (such as the pam_unix(8) module) even if OPIE authentication failed. To properly use this module, pam_opie(8) should be marked "sufficient", and pam_opieaccess should be listed right below it and marked "requisite".

The pam_opieaccess module provides functionality for only one PAM category: authentication. In terms of the module-type parameter, this is the "auth" feature. It also provides null functions for the remaining module types.

OPIEAccess Authentication Module

The authentication component (pam_sm_authenticate()), returns PAM_SUCCESS in two cases:
  1. The user does not have OPIE enabled.
  2. The user has OPIE enabled, and the remote host is listed as a trusted host in /etc/opieaccess, and the user does not have a file named .opiealways in his home directory.

Otherwise, it returns PAM_AUTH_ERR.

The following options may be passed to the authentication module:
allow_local
  Normally, local logins are subjected to the same restrictions as remote logins from "localhost". This option causes pam_opieaccess to always allow local logins.
debug syslog(3) debugging information at LOG_DEBUG level.
no_warn suppress warning messages to the user. These messages include reasons why the user's authentication attempt was declined.

FILES

/etc/opieaccess List of trusted hosts or networks. See opieaccess(5) for a description of its syntax.
$HOME/.opiealways
  The presence of this file makes OPIE mandatory for the user.

SEE ALSO

opie(4), opieaccess(5), pam.conf(5), pam(8), pam_opie(8)

AUTHORS

The pam_opieaccess 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.

PAM_OPIEACCESS (8) October 26, 2007

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