1/*	$FreeBSD$	*/
2
3/*
4 * Copyright (C) 2002 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id: printpacket6.c,v 1.3.4.1 2006/06/16 17:21:13 darrenr Exp $
9 */
10
11#include "ipf.h"
12
13/*
14 * This is meant to work without the IPv6 header files being present or
15 * the inet_ntop() library.
16 */
17void printpacket6(ip)
18struct ip *ip;
19{
20	u_char *buf, p;
21	u_short plen, *addrs;
22	tcphdr_t *tcp;
23	u_32_t flow;
24
25	buf = (u_char *)ip;
26	tcp = (tcphdr_t *)(buf + 40);
27	p = buf[6];
28	flow = ntohl(*(u_32_t *)buf);
29	flow &= 0xfffff;
30	plen = ntohs(*((u_short *)buf +2));
31	addrs = (u_short *)buf + 4;
32
33	printf("ip6/%d %d %#x %d", buf[0] & 0xf, plen, flow, p);
34	printf(" %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
35		ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
36		ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
37		ntohs(addrs[6]), ntohs(addrs[7]));
38	if (plen >= 4)
39		if (p == IPPROTO_TCP || p == IPPROTO_UDP)
40			(void)printf(",%d", ntohs(tcp->th_sport));
41	printf(" >");
42	addrs += 8;
43	printf(" %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
44		ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
45		ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
46		ntohs(addrs[6]), ntohs(addrs[7]));
47	if (plen >= 4)
48		if (p == IPPROTO_TCP || p == IPPROTO_UDP)
49			(void)printf(",%d", ntohs(tcp->th_dport));
50	putchar('\n');
51}
52