Hi Mike, Greg and Bill, and thanks for the prompt answer: scutil is
what I need.
To digress on your observations about my choice to tie a license-
lock to the computer name:
This is a weighted design decision. I never saw anyone proceed this
way, and perhaps I will have to revert in a few months
because of a flaw I hadn't thought about. But so far, I'm quite
happy with it.
Here is the rationale:
I want to allow my users to migrate their licensed application
transparently, should they upgrade to a new computer, reformat
their hard drive, or even change the OS with which they run the
application. And I publicize the transparency of this node-locking
mechanism as a feature: the users can have confidence that nothing
happens behind their back (such as network snooping or data stored
in obscure places of the "registry/LIbrary"), and they know they'll
get the paying features only as long as their computer keeps the
name of their choosing.
Things change in a computer set up, and some more than others. A
computer name should not
be assumed to be static. Solutions that I have seen around for what
you are wanting to
do:
- license server
- using MAC address
- dongle
Each have their pros and cons. Some fail more frequently and some
can be bypassed more
easily. Currently I see few solutions accessible to Java, in this
regards, that can be
done without using some sort of native API.
Andre
Turns out that with Java 6 you can get the MAC address of a
NetworkInterface:
Though, given the state of Java 6 on the Mac, you are better off waiting
before going here.
Andre
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