2010/11/24 Dan Nicholson <dbn.lists@xxxxxxxxx>:
> Every distribution does not have the plugdev group, though.
Yeah that shouldn't be hardcoded. The hotplug.c program already
supports supplying a custom actions string for those who need
it, like distro packagers.
> If we know that all mtp devices have the environment variable
> ID_MTP_DEVICE, then it's very easy to add a rule controlling the
> permissions.
>
> ENV{ID_MTP_DEVICE}=="?*", MODE="666"
Yep that's how to do it.
> Even better, if we let the udev people know that there is some
> attribute like ID_MTP_DEVICE that's set for all mtp devices, they can
> add a rule for udev-acl, which dynamically updates the ACLs on all
> distros. See how the gphoto2 devices are handled here:
>
> http://git.kernel.org/?p=linux/hotplug/udev.git;a=blob;f=extras/udev-acl/70-acl.rules;h=e3ff31c22e5c96af6478a715aa39928f7ba025bd;hb=HEAD
> In fact, it seems they already have a rule to manage the ACLs on
> PTP/MTP devices. What do you think?
Yes! It already recognize ID_MEDIA_PLAYER it seems? And I
added that to all of them...
Linus
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