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/* $FreeBSD$ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id$
*/
#include "ipf.h"
/*
* This is meant to work without the IPv6 header files being present or
* the inet_ntop() library.
*/
void
printpacket6(int dir, mb_t *m)
{
u_char *buf, p;
u_short plen, *addrs;
tcphdr_t *tcp;
u_32_t flow;
buf = (u_char *)m->mb_data;
tcp = (tcphdr_t *)(buf + 40);
p = buf[6];
flow = ntohl(*(u_32_t *)buf);
flow &= 0xfffff;
plen = ntohs(*((u_short *)buf +2));
addrs = (u_short *)buf + 4;
if (dir)
PRINTF("> ");
else
PRINTF("< ");
PRINTF("%s ", IFNAME(m->mb_ifp));
PRINTF("ip6/%d %d %#x %d", buf[0] & 0xf, plen, flow, p);
PRINTF(" %x:%x:%x:%x:%x:%x:%x:%x",
ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
ntohs(addrs[6]), ntohs(addrs[7]));
if (plen >= 4)
if (p == IPPROTO_TCP || p == IPPROTO_UDP)
(void)PRINTF(",%d", ntohs(tcp->th_sport));
PRINTF(" >");
addrs += 8;
PRINTF(" %x:%x:%x:%x:%x:%x:%x:%x",
ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
ntohs(addrs[6]), ntohs(addrs[7]));
if (plen >= 4)
if (p == IPPROTO_TCP || p == IPPROTO_UDP)
PRINTF(",%d", ntohs(tcp->th_dport));
putchar('\n');
}
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