Re: GPL Violation of Linux in Telsey Video Station Product

Re: GPL Violation of Linux in Telsey Video Station Product

[Alan Cox]

> I'm all for the GPL and making sure it's followed, but could we move
> such discussions some place else?  This is supposed to be a development
> list.  Maybe creating a linux-gpl list (or whatever) would be better?

See www.gpl-violations.org

GPL Violation of Linux in Telsey Video Station Product

[Alessandro Sappia]

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Hash: SHA1

Good Morning,
I'm a Customer of a broadband ISP in Italy; They sell ont only the
connection, but they add VoIP Phone and TVoIP. (Both TV on Demand and TV
Broadcasting).
I bought a Video Station branded by my carrier and surprisingly I found
that the operating system the use is a modified version of linux.
It was possible for me to see it because the Videostation Itself is just
a PC with an Ethernet Card on it and it does boot from remotely.
I sniffed tftp traffic upon boot and in it it is possible to recognize
linux, over that the / dir is mounted over NFS and it was possible for
me to see more and more file belonging to it.
I then asked my seller if they use linux on my VideoStation and call
center tell me yes, but the call center people don't know where to find
source code of their linux version.
I contacted the the real producer of the videostation but they told me
the the contract they have with the carrier told they sell without OS
videostatiuons to them.
What to do now ?

The Videostation is produced by
http://www.telsey.com/
Product is
http://www.telsey.com/products/product.jsp?pid=254&fid=13
The ISP is
http://www.fastweb.it/
Sorry but this page is just in Italian.

Hope this could help in resolving it

Bye

- --
Alessandro Sappia

GPG Public Key http://keyserver.linux.it/

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Re: GPL Violation of Linux in Telsey Video Station Product

[Josh Boyer]

On Mon, 2004-10-04 at 08:44, Denis Vlasenko wrote:
> On Monday 04 October 2004 12:16, Alessandro Sappia wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Good Morning,
> > I'm a Customer of a broadband ISP in Italy; They sell ont only the
> > connection, but they add VoIP Phone and TVoIP. (Both TV on Demand and TV
> > Broadcasting).
> > I bought a Video Station branded by my carrier and surprisingly I found
> > that the operating system the use is a modified version of linux.
> > It was possible for me to see it because the Videostation Itself is just
> > a PC with an Ethernet Card on it and it does boot from remotely.
> 
> Does it itself contain Linux? It is possible that bootstrap
> tftp loader isn't Linux. In this case Videostation itself does not
> contain Linux until you turn it on.
> 
> But downloading Linux kernel and GPLed software via
> tftp and NFS is itself an act of distribution, and I think you
> have the right to obtain source from distributor (in this case,
> your ISP).
> 

I'm all for the GPL and making sure it's followed, but could we move
such discussions some place else?  This is supposed to be a development
list.  Maybe creating a linux-gpl list (or whatever) would be better?

josh

Re: GPL Violation of Linux in Telsey Video Station Product

[Denis Vlasenko]

On Monday 04 October 2004 12:16, Alessandro Sappia wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Good Morning,
> I'm a Customer of a broadband ISP in Italy; They sell ont only the
> connection, but they add VoIP Phone and TVoIP. (Both TV on Demand and TV
> Broadcasting).
> I bought a Video Station branded by my carrier and surprisingly I found
> that the operating system the use is a modified version of linux.
> It was possible for me to see it because the Videostation Itself is just
> a PC with an Ethernet Card on it and it does boot from remotely.

Does it itself contain Linux? It is possible that bootstrap
tftp loader isn't Linux. In this case Videostation itself does not
contain Linux until you turn it on.

But downloading Linux kernel and GPLed software via
tftp and NFS is itself an act of distribution, and I think you
have the right to obtain source from distributor (in this case,
your ISP).

> I sniffed tftp traffic upon boot and in it it is possible to recognize
> linux, over that the / dir is mounted over NFS and it was possible for
> me to see more and more file belonging to it.
> I then asked my seller if they use linux on my VideoStation and call
> center tell me yes, but the call center people don't know where to find
> source code of their linux version.
> I contacted the the real producer of the videostation but they told me
> the the contract they have with the carrier told they sell without OS
> videostatiuons to them.
> What to do now ?

Send text of GPL to the ISP and state that you'd like to get
complete, buildable source tree for each GPLed binary component you
received over the wire.
--
vda

Re: GPL Violation of Linux in Telsey Video Station Product

[Micha Feigin]

On Mon, Oct 04, 2004 at 01:44:45PM +0000, Denis Vlasenko wrote:
> On Monday 04 October 2004 12:16, Alessandro Sappia wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Good Morning,
> > I'm a Customer of a broadband ISP in Italy; They sell ont only the
> > connection, but they add VoIP Phone and TVoIP. (Both TV on Demand and TV
> > Broadcasting).
> > I bought a Video Station branded by my carrier and surprisingly I found
> > that the operating system the use is a modified version of linux.
> > It was possible for me to see it because the Videostation Itself is just
> > a PC with an Ethernet Card on it and it does boot from remotely.
> 
> Does it itself contain Linux? It is possible that bootstrap
> tftp loader isn't Linux. In this case Videostation itself does not
> contain Linux until you turn it on.
> 
> But downloading Linux kernel and GPLed software via
> tftp and NFS is itself an act of distribution, and I think you
> have the right to obtain source from distributor (in this case,
> your ISP).
> 
> > I sniffed tftp traffic upon boot and in it it is possible to recognize
> > linux, over that the / dir is mounted over NFS and it was possible for
> > me to see more and more file belonging to it.
> > I then asked my seller if they use linux on my VideoStation and call
> > center tell me yes, but the call center people don't know where to find
> > source code of their linux version.
> > I contacted the the real producer of the videostation but they told me
> > the the contract they have with the carrier told they sell without OS
> > videostatiuons to them.
> > What to do now ?
> 
> Send text of GPL to the ISP and state that you'd like to get
> complete, buildable source tree for each GPLed binary component you
> received over the wire.

Note though that they will have to send you the kernel sources (or
point to the version they used) and compiled in modifications.

If their code is user-space then they don't have to send you their code,
provided that it isn't using any other user-space gpl code.

There is not problem with user-space proprietary code, as long as it
isn't derived work of other GPL user-space code.

Note that there is a debate whether closed-source kernel modules are
breaking the GPL (not linked in modification), and Linus state a few
times he won't act against such things (ati and nvidia distribute
closed source kernel modules).

Also with user-space, most libraries are lgpl or similar, and even if
not, its not always clear when dynamic linking is in violation of the
GPL (IANAL but my guess is that when there are alternatives that would
work without big modifications that its not, since its not derived work
in such a case).

> --
> vda
> -
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