#include "ipf.h"

/*
 * This is meant to work without the IPv6 header files being present or
 * the inet_ntop() library.
 */
void printpacket6(ip)
struct ip *ip;
{
        u_char *buf, p;
        u_short plen, *addrs;
        tcphdr_t *tcp;
        u_32_t flow;

        buf = (u_char *)ip;
        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;

        printf("ip6/%d %d %#x %d", buf[0] & 0xf, plen, flow, p);
        printf(" %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
                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(" %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
                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_dport));
        putchar('\n');
}