Date: Thu, 20 Jan 2000 18:15:23 -0800 From: Alfred Perlstein <bright@wintelcom.net> To: Jim Bloom <bloom@acm.org> Cc: current@freebsd.org Subject: Re: half-fix for stream.c Message-ID: <20000120181523.F14030@fw.wintelcom.net> In-Reply-To: <3887B8AB.812B4D1A@acm.org>; from bloom@acm.org on Thu, Jan 20, 2000 at 08:38:51PM -0500 References: <20000120174115.C14030@fw.wintelcom.net> <3887B8AB.812B4D1A@acm.org>
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* Jim Bloom <bloom@acm.org> [000120 18:02] wrote:
> In you fix below, shouldn't the second block of NTOHx actually be HTONx. I
> realize that this works because the functions are the same, but it should be
> coded correctly.
>
> Jim Bloom
> bloom@acm.org
>
> + NTOHL(th->th_seq);
> + NTOHL(th->th_ack);
> + NTOHS(th->th_win);
> + NTOHS(th->th_urp);
> + th->th_sum = in_cksum(m, len);
> + if (th->th_sum) {
> + tcpstat.tcps_rcvbadsum++;
> + goto drop;
> + }
> + NTOHL(th->th_seq);
> + NTOHL(th->th_ack);
> + NTOHS(th->th_win);
> + NTOHS(th->th_urp);
hmm, that's prolly right, i've been on irc trying to discuss this with
people and bit harried.
I'm sure there's a better way to do this, but the idea is to move
the checksum until after the pcb lookup, but i still have to look
at this more.
-Alfred
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