OPIEAccess Authentication Module
The authentication component (pam_sm_authenticate), returns PAM_SUCCESS in two cases:
- The user does not have OPIE enabled.
- 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: