OSLiNK GPL violation

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OSLiNK GPL violation

OSLiNK Sp. z o.o. ul. Jana Pawła II 6c 89-604 Chojnice Poland

Phone:+48 52 396 25 00 and +48 52 395 12 75 Fax: +48 52 396 25 01

Sales E-mail:sales@osbridge.com <mailto:sales@osbridge.com> Skype:osbridge_sales <callto:osbridge_sales>

Support E-mail:support@osbridge.com <mailto:support@osbridge.com> Skype: osbridge_support <callto:osbridge_support>

Repair service E-mail: service@osbridge.com <mailto:service@osbridge.com>

produces a WLAN bridge called OSBRiDGE 5GXi. The firmware versions 3.39, 3.50, 3.52, 3.54 and [4.01R], as binary downloadable from their website contains busybox, rrd-tools and the linux kernel.

Firmware version 4.01R

The firmware 4.01R contains the following versions of busybox and the linux kernel:

busybox version

# busybox
BusyBox v1.01 (2008.04.14-09:29+0000) multi-call binary

Usage: busybox [function] [arguments]...
or: [function] [arguments]...

BusyBox is a multi-call binary that combines many common Unix
utilities into a single executable. Most people will create a
link to busybox for each function they wish to use and BusyBox
will act like whatever it was invoked as!

Currently defined functions:
[, ash, basename, bunzip2, busybox, bzcat, cat, chmod, cp, cut,
date, df, echo, expr, getty, grep, head, ifconfig, init, insmod,
ip, kill, killall, linuxrc, logger, ls, lsmod, mkdir, mount, ping,
printf, ps, rdate, reboot, rm, rmmod, route, sh, sleep, syslogd,
tail, test, touch, tr, traceroute, udhcpc, uname, uptime, vconfig,


linux kernel version

# uname -a
Linux OSBRiDGE #134 Tue Apr 15 21:44:17 CEST 2008 mips unknown


The rrd-tools as you can see at the screen shot from the web interface of the OSBRiDGE 5GXi

Screen shot of the OSBRiDGE web interface with rrd-tools graphs

GPL Violations

  • The source code to build the firmware is not available as download.
  • No copyright notice about GPL anywhere on their website.
  • The source code is not available if you ask for it (see email

conversation below).

support@osbride.com denied to deliver the source code

Forwarded conversation
Subject: *Is the source code to build the firmware for the Osbridge 5GXi 

From: *Dieter Hofrichter* <dieter.hofrichter@gmail.com>
Date: Sat, Apr 19, 2008 at 3:34 PM
To: support@osbridge.com

Dear OSBRiDGE support,
is the source code to build the firmware for the Osbridge 5GXi available?
Where can I download it?
Best regards
From: *Leszek Olszewski* <leszek.olszewski@osbridge.com>
Date: Sat, Apr 19, 2008 at 9:09 PM
To: Dieter Hofrichter <dieter.hofrichter@gmail.com>


We do not provide source code for the firmware.

Leszek Olszewski
OSLiNK Sp. z o.o.