option security.pam.services containing the list of PAM services.
For instance, the SLiM module simply declares:
security.pam.services = [ { name = "slim"; localLogin = true; } ];
svn path=/nixos/trunk/; revision=16729
enabled as a session type. Since I'm lazy, provide it
unconditionally. Also have it include "common-console" to set
device ownership when logging in.
svn path=/nixos/branches/modular-nixos/; revision=15800