"Now that we are able to execute arbitrary commands on the
WRT54G, it is obvious that Linksys is running modified software
covered by the GPL. One perfect example of this is Zebra, the
advanced dynamic routing software package. By opening the firmware
file directly, as well as by making queries through the makeshift
ping interface mentioned earlier, we noticed that the zebra running
on the WRT54G doesn't use the standard configuration file
locations. This means that it must certainly be a modified
"So, naturally curious, I wanted to find out what Linksys had to
do to get Zebra running on this hardware. I stopped by the Linksys
'GPL Code Center,' and downloaded their zebra archive.
"You can imagine my disappointment when I realized that this is
in fact just a copy of the original source code available from
zebra.org. Where are the changes to the source tree? I have just
asked Linksys that very question, but as they still haven't gotten
back to my first query..."