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 */ 17 void 18 printpacket6(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