PF_PACKET
Brian Fundakowski Feldman
green at freebsd.org
Mon Jun 28 11:21:06 PDT 2004
On Fri, Jun 25, 2004 at 01:24:53PM -0700, Lev Walkin wrote:
> Ivan Voras wrote:
> >Lev Walkin wrote:
> >
> >>Ivan Voras wrote:
> >>
> >>>I'm trying to port open1x xsupplicant, and it uses PF_PACKET to get
> >>>relevant packets (of appropriate ethernet type). I looked around in
> >>>/usr/include and can't find the support, at least not under that and
> >>>similar names. Is there support for it in FreeBSD?
> >>>
> >>>(I only need to catch & send a few packets now and then, not anything
> >>>complex or bandwidth demanding).
> >>
> >>
> >>
> >>man bpf
> >
> >
> >
> >I've no experience with bpf, but It looks way too complex. And besides,
> >the program is relaying on using sendto/recvfrom all over the place.
>
>
> it is actually pretty simple. man pcap. this is a wrapper around bpf
> which lets you do it in a couple lines of C code.
Just change the sendto/recvfrom calls to write/read. It's not a lot of
work, the xsupplicant code just sucks period.
--
Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\
<> green at FreeBSD.org \ The Power to Serve! \
Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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