WPA debugging

Dan Williams dcbw at redhat.com
Wed May 9 09:25:57 EDT 2007


Can you guys take a look at WPA support at some point in the near
future?  I fixed up most of it in git head a while back, but I'm unsure
whether the GTK is getting correctly set.  I have to assume it wouldn't
even get as far as setting the GTK if the PTK wasn't correct, but after
the 4-way handshake in wpa_supplicant, no traffic can pass.  Any normal
traffic (ARP, ping, etc) would have to use the GTK to resolve the
hardware address of the other node anyway, but if the GTK isn't right
that's not going to work.  I was going to check whether setting a static
ARP mapping to a known MAC & IP (like the AP) and _then_ pinging would
work (just to verify that the PTK is indeed correct), but I'm swamped
and can't get that far in the near term.  Otherwise, I don't know if
frame sniffing would help much given that it's all encrypted and
sequence counted.


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