Date: Thu, 30 Oct 2014 18:21:18 +0200 From: clutton <clutton@zoho.com> To: freebsd-wireless@freebsd.org Subject: Re: pcap_inject() ruins my handmade packets Message-ID: <1414686078.8086.21.camel@eva02.mbsd> In-Reply-To: <CAJ-Vmon%2B58vPtAkfKQB-KzeYBTuzNvMA-zwmt5kyzAcTw_L9NQ@mail.gmail.com> References: <1414110110.1395.14.camel@eva02.mbsd> <CAJ-Vmo=b7xgFHseZJbUpLYY%2B%2BFh2jt6D74dPw6BYtaKBHA=%2BUQ@mail.gmail.com> <1414285536.12280.6.camel@eva02.mbsd> <CAJ-Vmonv9t5UcVgNnyvKz5wqaxgOojLO_pYhaAkXaAGxRAvTuA@mail.gmail.com> <1414685517.8086.15.camel@eva02.mbsd> <CAJ-Vmon%2B58vPtAkfKQB-KzeYBTuzNvMA-zwmt5kyzAcTw_L9NQ@mail.gmail.com>
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On Thu, 2014-10-30 at 09:13 -0700, Adrian Chadd wrote: > Hah, what was your actual code that worked? >=20 > And hm, there are some things in the radiotap header that the raw > transmit path pays attention to. >=20 >=20 >=20 > -adrian >=20 >=20 > On 30 October 2014 09:11, clutton <clutton@zoho.com> wrote: > > On Sat, 2014-10-25 at 19:54 -0700, Adrian Chadd wrote: > >> On 25 October 2014 18:05, clutton <clutton@zoho.com> wrote: > >> > On Thu, 2014-10-23 at 17:32 -0700, Adrian Chadd wrote: > >> >> Which version of FreeBSD are you using? > >> >> > >> >> I only recently fixed raw frame injection in monitor mode in > >> >> FreeBSD-11. How are you trying to do raw frame injection? > >> >> > >> >> > >> >> -adrian > >> >> > >> > > >> > Any ideas? Why this doesn't work for me using pcap and works using > >> > sockets? > >> > https://www.kernel.org/doc/Documentation/networking/mac80211-injecti= on.txt > >> > > >> > As I understand monitor mode can be used for injections now, is it > >> > right? > >> > > >> > As I remember some discussion here (a long time ago) said that the > >> > monitor mode is for monitoring :) and people should use other modes = for > >> > injections. But since new pcap API was introduced, we can see that t= he > >> > monitor mode is not only for monitoring. > >> > >> It should be working. I haven't coded anything up recently to use > >> monitor mode and inject, but I do know it now works. > >> > >> > >> > >> -adrian > > > > I finally made the =C2=ABreaver=C2=BB work, I even got banned by my AP.= The > > problem is the pcap library, not the source of the program. > > > > Before sending any patches I think I need familiarize myself with > > libpcap more. Because it's pretty scary to patch program which has > > comments like this: > > > > * Back in 2002, Donald Lee at Cray wanted a DLT_ for > > * IP-over-FC: > > [skip] > > * 11 years later, Christian Svensson wanted to map > > * various ARPHRD_ values to DLT_FC_2 and > > * DLT_FC_2_WITH_FRAME_DELIMS for raw Fibre Channel > > * frames: > > > > One more question: no radiotap headers currently can be injected. Right= ? > > The underlie levels just ignore DLT_IEEE802_11_RADIO dlt. The program I work with is [rever] https://code.google.com/p/reaver-wps I looked at aircrack-ng sources, and tools/net80211 and none of them includes radiotap headers for injection, when I do I have corrupted packets.
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