look at the cifsd.man manpage for instrctions. 

check for new releases on the web:
http://9hal.ath.cx/usr/cinap_lenrek/cifsd.tgz
http://9hal.ath.cx/usr/cinap_lenrek/

or on sources:
/n/sources/contrib/cinap_lenrek/cifsd.tgz
/n/sources/contrib/cinap_lenrek

you can email me for requests/bugreports/contrib at:
cinap_lenrek AT gmx DOT de

special thanks goes to:

capso (http://nanosouffle.net/)
for testing and bug reporting

steve simon (http://quintile.net/)
factotum/authsrv support for NTLM auth and cifsd testing and bug reporting