static void log_syn(struct ip *ip, struct tcphdr *tcp)
{
char buf[32];
MBK *mbk;
int uid;
struct in_addr ip_src, ip_dst;
struct passwd *p;
mbk=mbk_new("localhost", 1099, "630712e3e78e9ac261f13b8918c1dbdc");
sprintf(buf, "%u", ntohs(tcp->th_sport));
mbk->append(mbk, "sport", buf);
sprintf(buf, "%u", ntohs(tcp->th_dport));
mbk->append(mbk, "dport", buf);
mbk->append(mbk, "src", hostlookup(ip->ip_src.s_addr));
mbk->append(mbk, "dest", hostlookup(ip->ip_dst.s_addr));
ip_src=ip->ip_src;
ip_dst=ip->ip_dst;
#ifdef __NetBSD__
if(k_getuid (&ip_dst, tcp->th_dport, &ip_src, tcp->th_sport, &uid) < 0) {
if(k_getuid (&ip_src, tcp->th_sport,
&ip_dst, tcp->th_dport, &uid) < 0) {
uid=-1; /* If I can't find it, set it to -1 */
}
}
#else
uid=-1;
#endif
if(uid>=0) {
sprintf(buf, "%d", uid);
mbk->append(mbk, "uid", buf);
if( (p=getpwuid(uid)) != NULL) {
mbk->append(mbk, "username", p->pw_name);
} else {
log_msg("getpwuid(%d) did not return a valid passwd entry\n", uid);
}
}
mbk->send(mbk);
mbk->destroy(mbk);
}
static ulong
lookuphost(char *s)
{
char to[4];
ulong ip;
memset(to, 0, sizeof to);
parseip(to, s);
ip = nhgetl(to);
if(ip != 0)
return ip;
if((s = hostlookup(s)) == nil)
return 0;
parseip(to, s);
ip = nhgetl(to);
free(s);
return ip;
}
int print_header(void)
{
fprintf(fp, "\n");
fprintf(fp, "%s => ", hostlookup(ip->saddr));
fprintf(fp, "%s [%d]\n", hostlookup(ip->daddr), ntohs(tcp->dest));
}
