Re: Too short ethernet frame...
From: Christian S.J. Peron (csjp_at_freebsd.org)
Date: 08/18/05
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Date: Thu, 18 Aug 2005 21:13:59 +0000 To: Ian Dowse <iedowse@iedowse.com>
Yes,
This appears to be a mistake on my part, please commit this patch.
Thanks for catching this!
On Thu, Aug 18, 2005 at 09:59:50AM +0100, Ian Dowse wrote:
> In message <148cabbc05081722171875d31e@mail.gmail.com>, Iva Hesy writes:
> >OK, now, I get the result:
> >"tag=RELENG_6 date=2005.07.30.22.00.00" works fine, "tag=RELENG_6
> >date=2005.07.31.03.00.00" makes noise, many many ethernet frames can
> >be sniffered.
> >the cvsup log:
> >Updating collection src-all/cvs
> > Edit src/sys/dev/mlx/mlx_pci.c
> > Add delta 1.23.2.1 2005.07.31.00.41.53 csjp
> > Edit src/sys/net/bpf.c
> > Add delta 1.153.2.1 2005.07.31.00.48.18 csjp
> > Edit src/sys/net/bpfdesc.h
> > Add delta 1.29.2.1 2005.07.31.00.48.18 csjp
> >Shutting down connection to server
> >Finished successfully
> >I guess it should be bpf.c...
>
> There appear to be some braces missed in that revision of bpf.c. Does
> the following patch help?
>
> Ian
>
> Index: sys/net/bpf.c
> ===================================================================
> RCS file: /dump/FreeBSD-CVS/src/sys/net/bpf.c,v
> retrieving revision 1.153.2.2
> diff -u -r1.153.2.2 bpf.c
> --- sys/net/bpf.c 13 Aug 2005 21:24:16 -0000 1.153.2.2
> +++ sys/net/bpf.c 18 Aug 2005 08:55:49 -0000
> @@ -1256,13 +1256,14 @@
> BPFD_LOCK(d);
> ++d->bd_rcount;
> slen = bpf_filter(d->bd_filter, (u_char *)m, pktlen, 0);
> - if (slen != 0)
> + if (slen != 0) {
> d->bd_fcount++;
> #ifdef MAC
> if (mac_check_bpfdesc_receive(d, bp->bif_ifp) == 0)
> #endif
> catchpacket(d, (u_char *)m, pktlen, slen,
> bpf_mcopy);
> + }
> BPFD_UNLOCK(d);
> }
> BPFIF_UNLOCK(bp);
> @@ -1308,13 +1309,14 @@
> BPFD_LOCK(d);
> ++d->bd_rcount;
> slen = bpf_filter(d->bd_filter, (u_char *)&mb, pktlen, 0);
> - if (slen != 0)
> + if (slen != 0) {
> d->bd_fcount++;
> #ifdef MAC
> if (mac_check_bpfdesc_receive(d, bp->bif_ifp) == 0)
> #endif
> catchpacket(d, (u_char *)&mb, pktlen, slen,
> bpf_mcopy);
> + }
> BPFD_UNLOCK(d);
> }
> BPFIF_UNLOCK(bp);
>
>
-- Christian S.J. Peron csjp@FreeBSD.ORG FreeBSD Committer _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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