pcap_inject() ruins my handmade packets

[Adrian Chadd]

Hah, what was your actual code that worked?

And hm, there are some things in the radiotap header that the raw
transmit path pays attention to.



-adrian


On 30 October 2014 09:11, clutton <clutton at zoho.com> wrote:
> On Sat, 2014-10-25 at 19:54 -0700, Adrian Chadd wrote:
>> On 25 October 2014 18:05, clutton <clutton at 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-injection.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 the
>> > 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 «reaver» 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.
>
>
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