/* $NetBSD: printpacket6.c,v 1.2 2012/07/22 14:27:37 darrenr Exp $ */ /* * Copyright (C) 2012 by Darren Reed. * * See the IPFILTER.LICENCE file for details on licencing. * * Id: printpacket6.c,v 1.1.1.2 2012/07/22 13:44:42 darrenr Exp $ */ #include "ipf.h" /* * This is meant to work without the IPv6 header files being present or * the inet_ntop() library. */ void printpacket6(dir, m) 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'); }