Differences between Commercial and Community versions of LiveCode

Brian Milby brian at milby7.com
Tue Jun 5 22:37:12 EDT 2018


Looking at the code, “deflate” is called on the stack as it is being written out (zlib). So while not easy, it should be possible to separate a stack file from the binary if deployed from the community edition. It would take a bit of work to figure out where the file started and ended. Well over what I would be willing to tackle at the moment. For anyone so motivated, the relevant source code is in deploy*.cpp (along with the header files).
On Jun 5, 2018, 4:25 PM -0500, Tom Glod via use-livecode <use-livecode at lists.runrev.com>, wrote:
> hmmmm..... maybe i'm thinking all the way back to v6 or v7 standalones. cuz
> v8 is also not visible.
>
> On Tue, Jun 5, 2018 at 5:20 PM, Tom Glod <tom at makeshyft.com> wrote:
>
> > so i went to check the standalone file from v9 ...and indeed the code
> > cannot be seen. in previous versions, I could clearly see the script text
> > of a stack by opening it up in notepad++.....
> >
> > maybe i was hallucinating...... but i'm pretty sure i checked this before
> > because of my own curiosities about this subject. can anyone confirm this
> > change?
> >
> >
> > On Tue, Jun 5, 2018 at 3:49 PM, Brian Milby via use-livecode <
> > use-livecode at lists.runrev.com> wrote:
> >
> > > I believe this thread started as a result is someone asking if there was
> > > a way to recover their work if all they could salvage was a built binary
> > > (from community edition). It sounds like there should be a way based on
> > > another response in the thread.
> > >
> > > Thanks,
> > > Brian
> > > On Jun 5, 2018, 2:16 PM -0500, Richard Gaskin via use-livecode <
> > > use-livecode at lists.runrev.com>, wrote:
> > > > Richmond Mathewson wrote:
> > > >
> > > > > Recently I ran off a very simple standalone with the Indy and the
> > > > > Community version of LC 8.1.9
> > > > > and cracked both of them open with a text editor.
> > > > >
> > > > > In neither of the standalones could I access the code.
> > > > >
> > > > > Presumably this means that a standalone generated with the Community
> > > > > version cannot be
> > > > > reverse-engineered in such a way that its original code can be read?
> > > >
> > > > Binding the stack to the runtime engine makes the source difficult to
> > > > access, and the objects impossible to modify.
> > > >
> > > > The requirement of GPL-governed works is that source code is available
> > > > in a form that allows modification.
> > > >
> > > > I would not imagine requiring end-users to sift through bits of a binary
> > > > executable would satisfy any definition of GPL compliance.
> > > >
> > > > Either the source stack files are made available to any user of the
> > > > executable who wants them, or the entity distributing the executable is
> > > > in violation of LiveCode Ltd's copyright.
> > > >
> > > > --
> > > > Richard Gaskin
> > > > Fourth World Systems
> > > > Software Design and Development for the Desktop, Mobile, and the Web
> > > > ____________________________________________________________________
> > > > Ambassador at FourthWorld.com http://www.FourthWorld.com
> > > >
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