Unfortunately no one can be told what fun_plug is - you have to see it for yourself.
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Now we have ,thanks to beatie, sala and all, we have the first openfirmware.
This firmware family will includes corrections and rewrite of part of the orginal DSM software (take a look at the awful /etc/hotplug/usbmount !.)
All this work may be usefull for D-link to enhance their product. So I think we need a kind of licence for this work. Something like "ok D-link you can take our work for your comercial product but you may improve your product in this way". For example make a kit to make this box less noisy
I had thought this a little, but really the actual code I generated is pretty small. I seriously doubt that D-Link has the good sense to use anything sala or I have produced. I'm not all that in love with the GPL, but it's as good as any I suppose.
There is only one license we can use and it is GPL, at least for most part we must.
As of D-Link, I am sure that they don't care less what we are doing. If they do care, then I think they would release all sources to DSM-G600 and not holding back some 10-20 line .c files, that they use to compile little utility's which holds this piece of crap software together.