printpacket6.c revision 145510
1145510Sdarrenr/* $NetBSD$ */ 2145510Sdarrenr 3145510Sdarrenr#include "ipf.h" 4145510Sdarrenr 5145510Sdarrenr/* 6145510Sdarrenr * This is meant to work without the IPv6 header files being present or 7145510Sdarrenr * the inet_ntop() library. 8145510Sdarrenr */ 9145510Sdarrenrvoid printpacket6(ip) 10145510Sdarrenrstruct ip *ip; 11145510Sdarrenr{ 12145510Sdarrenr u_char *buf, p; 13145510Sdarrenr u_short plen, *addrs; 14145510Sdarrenr tcphdr_t *tcp; 15145510Sdarrenr u_32_t flow; 16145510Sdarrenr 17145510Sdarrenr buf = (u_char *)ip; 18145510Sdarrenr tcp = (tcphdr_t *)(buf + 40); 19145510Sdarrenr p = buf[6]; 20145510Sdarrenr flow = ntohl(*(u_32_t *)buf); 21145510Sdarrenr flow &= 0xfffff; 22145510Sdarrenr plen = ntohs(*((u_short *)buf +2)); 23145510Sdarrenr addrs = (u_short *)buf + 4; 24145510Sdarrenr 25145510Sdarrenr printf("ip6/%d %d %#x %d", buf[0] & 0xf, plen, flow, p); 26145510Sdarrenr printf(" %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", 27145510Sdarrenr ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]), 28145510Sdarrenr ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]), 29145510Sdarrenr ntohs(addrs[6]), ntohs(addrs[7])); 30145510Sdarrenr if (plen >= 4) 31145510Sdarrenr if (p == IPPROTO_TCP || p == IPPROTO_UDP) 32145510Sdarrenr (void)printf(",%d", ntohs(tcp->th_sport)); 33145510Sdarrenr printf(" >"); 34145510Sdarrenr addrs += 8; 35145510Sdarrenr printf(" %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", 36145510Sdarrenr ntohs(addrs[0]), ntohs(addrs[1]), ntohs(addrs[2]), 37145510Sdarrenr ntohs(addrs[3]), ntohs(addrs[4]), ntohs(addrs[5]), 38145510Sdarrenr ntohs(addrs[6]), ntohs(addrs[7])); 39145510Sdarrenr if (plen >= 4) 40145510Sdarrenr if (p == IPPROTO_TCP || p == IPPROTO_UDP) 41145510Sdarrenr (void)printf(",%d", ntohs(tcp->th_dport)); 42145510Sdarrenr putchar('\n'); 43145510Sdarrenr} 44