hi all,
i have a question about VNC Licensing, and it seems that I can't easily find
a satisfactory answer. I have read a lot of the messages in the VNC-List
about the subject, many times the GPL license text and faq, but without
arriving at any definitive answer to my problem.
Well, I'd like to incorporate the [EMAIL PROTECTED] viewer (or the RealVNC one, for
that matter) into a tunneling application of ours. This tunneling program
will be commercially sold and its proprietary source code will remain
undisclosed. The application in question and the VNC Viewer will communicate
by the means of normal Winsock TCP - VNC connections, so no special program
state or structure will be shared or mantained by the two parts. At this
time, we are already successfully integrating with the MS Terminal Services
Advanced Client...
The problem here is that we'd like to integrate the VNC viewer itself into
the windows of our application, without spawning an external process or one
or more external windows. It is essentially an "aesthetic problem"...
A solution we devised to resolve this problem is to develop an ActiveX
control derived from the [EMAIL PROTECTED] viewer source code, then making public its
source code (of the "derived work") under the same GPL license terms of the
original program... The final GPL ActiveX control will expose a Connect and
a Disconnect method and probably an IsConnected and IsDisconnected events...
No more. There will be nothing in the ActiveX control source code that will
be directly or indirectly specific to our commercial application. Then we
will host that ActiveX control in our commercial non-GPL app...
The GPL faq (that I have read many times) talks about address spaces and
interprocess communication systems, but I guess that this specific situation
is kinda of a "borderline case"...
At this point, I'm lost...
Can you give me your opinion about this problem ? Can we proceed in this way
??
Thank you in advance,
Ludovico Calcaterra
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