1/*	$FreeBSD$	*/
2
3/*
4 * Copyright (C) 2012 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id$
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
18printpacket6(dir, m)
19	int dir;
20	mb_t *m;
21{
22	u_char *buf, p;
23	u_short plen, *addrs;
24	tcphdr_t *tcp;
25	u_32_t flow;
26
27	buf = (u_char *)m->mb_data;
28	tcp = (tcphdr_t *)(buf + 40);
29	p = buf[6];
30	flow = ntohl(*(u_32_t *)buf);
31	flow &= 0xfffff;
32	plen = ntohs(*((u_short *)buf +2));
33	addrs = (u_short *)buf + 4;
34
35	if (dir)
36		PRINTF("> ");
37	else
38		PRINTF("< ");
39
40	PRINTF("%s ", IFNAME(m->mb_ifp));
41
42	PRINTF("ip6/%d %d %#x %d", buf[0] & 0xf, plen, flow, p);
43	PRINTF(" %x:%x:%x:%x:%x:%x:%x:%x",
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_sport));
50	PRINTF(" >");
51	addrs += 8;
52	PRINTF(" %x:%x:%x:%x:%x:%x:%x:%x",
53		ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]),
54		ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]),
55		ntohs(addrs[6]), ntohs(addrs[7]));
56	if (plen >= 4)
57		if (p == IPPROTO_TCP || p == IPPROTO_UDP)
58			PRINTF(",%d", ntohs(tcp->th_dport));
59	putchar('\n');
60}
61