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Name


pam_shells - PAM module to check for valid login shell

Synopsis


pam_shells.so

DESCRIPTION


pam_shells is a PAM module that only allows access to the system if the users shell is listed in \FC/etc/shells\F[].

It also checks if \FC/etc/shells\F[] is a plain file and not world writable.

OPTIONS


This module does not recognise any options.

MODULE TYPES PROVIDED


The auth and account module types are provided.

RETURN VALUES


PAM_AUTH_ERR

Access to the system was denied.

PAM_SUCCESS

The users login shell was listed as valid shell in \FC/etc/shells\F[].

PAM_SERVICE_ERR

The module was not able to get the name of the user.

EXAMPLES


auth required pam_shells.so

\M[lightgray]\D’P 75u 0 0 0u -75u 0 0 -0u’\M[] \M[lightgray]\D’P 75u 0 0 0u -75u 0 0 -0u’\M[]

SEE ALSO


shells(5), pam.conf(5), pam.d(5), pam(8)

AUTHOR


pam_shells was written by Erik Troan <ewt@redhat.com>.

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