On Mon, 2005-03-07 at 10:29 +0000, ee21rh wrote: >For more information, please look at: >http://live.gnome.org/ProjectUtopia_2fPowerManagement > A couple of points here since this is about desktop/userspace - Initially only focus on what the kernel already provides - Main focus here is the UI; e.g. allowing configuration of power management from the desktop in a sane way (no need for root password, no need to edit configuration files) - including using existing desktop-level frameworks for lockdown etc. (e.g. g-conf) - Most of the code is actually in hal for abstracting various power aware devices (UPS'es) and frameworks (ACPI, PMU, ..) - so I expect the desktop parts to be fairly lightweight and straightforward to write (so it's equally easy to write a KDE/<insert favourite desktop here> counterparts - Some of the actions enforced by the UI parts will require privileged operations - the plan is to use D-BUS and/or SELinux (if available) to grant these privileges in a secure way (e.g. label the binary /usr/bin/gnome-power-manager with a SELinux label so only the domain wherein it's running is allowed to invoke the Suspend() method on HAL via D-BUS - if SELinux is not available, make it setgid and only allow users in e.g. plugdev group to invoke this method) <== all this is largely a distributor choice / headache Cheers, David
