FreeIPA Server /etc/pam.d/gdm-smartcard

auth        substack      smartcard-auth
auth        include       postlogin

account     required      pam_nologin.so
account     include       smartcard-auth

password    include       smartcard-auth

session     required      pam_selinux.so close
session     required      pam_loginuid.so
session     optional      pam_console.so
session     required      pam_selinux.so open
session     optional      pam_keyinit.so force revoke
session     required      pam_namespace.so
session     include       smartcard-auth
session     include       postlogin