Re: Private IP address with yahoo messenger

Pranay Kanwar wrote:
> Hi,
>
> Looking at the services section in the
>
> http://libyahoo2.sourceforge.net/ymsg-9.txt
>
> YAHOO_SERVICE_P2PFILEXFER = 0x4d
> YAHOO_SERVICE_PEERTOPEER = 0x4f
>
> P2PFILEXFER - transfer a file between two peers, yahoo server not used
> PEERTOPEER - check if peer to peer connections are possible
>
> Sometimes pidgin (http://www.pidgin.im/) displays the internal IP
> address of a user when we do Get Info from menu. One of
> my friends is shown 192.168.1.3 right now!.
>
> Digging into the source
>
> pidgin-2.0.1/libpurple/protocols/yahoo/yahoo.c
>
> The function yahoo_process_p2p, at line 2020
> shows that the p2p service packet does contain the
> IP address and it is base64 encoded.
>
Verified. The packet contains the address of the sender.

"pidgin -d" will output -
Got P2P service packet (from server): who = xyz.host.com, ip = w.x.y.z

purple_debug_info("yahoo", "Got P2P service packet (from server): who =
%s, ip = %s\n", who, tmp);

when engaged in p2p transfer.
> regards
>
> warl0ck // MSG
> http://www.metaeye.org
Cheers
Received on May 30 2007