Date: Wed, 3 Apr 2002 21:33:37 +0200 From: Sameh Ghane <sw@anthologeek.net> To: Doug Ambrisko <ambrisko@ambrisko.com> Cc: Brooks Davis <brooks@one-eyed-alien.net>, "M. Warner Losh" <imp@village.org>, will@csociety.org, mobile@FreeBSD.ORG Subject: Re: bsd airtools for current, kernel patches Message-ID: <20020403213337.A60018@anthologeek.net> In-Reply-To: <200204031707.g33H7sW53697@ambrisko.com>; from ambrisko@ambrisko.com on Wed, Apr 03, 2002 at 09:07:53AM -0800 References: <20020403084114.B6462@Odin.AC.HMC.Edu> <200204031707.g33H7sW53697@ambrisko.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Le (On) Wed, Apr 03, 2002 at 09:07:53AM -0800, Doug Ambrisko ecrivit (wrote): > | > > | > Why is there no generic API for accessing wireless cards ? Are they all that > | > much different ? > | > | You can snoop raw frames with the Aironet cards by setting the > | appropriate monitor mode in ancontrol. Most of these tools should be > | fairly straight forward to modify to use libpcap to get frames. I compiled libcap and tcpdump 7 to have 802.11b frames support, and never managed to get useful output. > The only caveat is that the Aironet card won't pass up WEP key information > so you can't do wep crack or decrypt raw packets with the card doing the > work. Only the onboard hardware/firmware can do this. This seems to be > confirmed by the Linux users. I had to do a slight patch to Ethereal/ > tcpdump to ignore the WEP key part of the packet and then the disectors > could follow the data in the packet and follow various streams. Hmm I > wonder if I should lie and fake up WEP part so it really looks more like > a real 802.11 frame? This is useful for seeing what strange clients > are doing. May I try your patch ? It could help me get helpful output from tcpdump. Cheers, -- Sameh To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020403213337.A60018>