static void
filter_ip(void *address, int ifa_flags, int ifa_scope, int preferred_time)
{
bool deprecated = ifa_flags & IFA_F_DEPRECATED;
bool temporary = ifa_flags & IFA_F_TEMPORARY;
bool global = ifa_scope == RT_SCOPE_UNIVERSE;
if (deprecated || temporary || !global) //filter old and temporary IPs
{
if(verbose_mode)
{
bool local = !global;
log_ipv6(address);
log(" rejected for being %s%s%s\n", STRBOOL(deprecated), STRBOOL(temporary), STRBOOL(local));
}
return;
}
else if (preferred_time <= 0)
{
if(verbose_mode)
{
log_ipv6(address);
log(" rejected for not preferred (time expired: %d)\n", preferred_time);
}
return;
}
else //accept and process further
{
log_ipv6(address);
if(verbose_mode) log("\n\tflags: dep: %d temp: %d global: %d pref: %d\n", deprecated, temporary, global, preferred_time);
activate_ip(address);
}
}
void WriteIPv4Hdr(IPV4_HDR* hdr)
{
struct sockaddr_in src, dest;
src.sin_addr.s_addr = hdr->srcAddr;
dest.sin_addr.s_addr = hdr->destAddr;
#ifdef FILE_LOG
fprintf(pFile, "IP Header\n");
LOG("|- IP Version: %u\n", hdr->version);
LOG("|- IP Header Length: %u Octets\n", hdr->hdrLen * 4);
LOG("|- Type of Service: %u\n", hdr->tos);
LOG("|- IP Total Length: %u Octets(Size of packet)\n", ntohs(hdr->totalLen));
LOG("|- Identifier: %u\n", ntohs(hdr->id));
LOG("|- Don't Fragment: %s\n", STRBOOL(hdr->dontFragment));
LOG("|- More Fragment: %s\n", STRBOOL(hdr->moreFragment));
LOG("|- Time to Live: %u\n", hdr->ttl);
LOG("|- Protocol: %u\n", hdr->proto);
LOG("|- Checksum: %u\n", ntohs(hdr->checksum));
LOG("|- Source IP: %s\n", inet_ntoa(src.sin_addr));
LOG("|- Destination IP: %s\n", inet_ntoa(dest.sin_addr));
#endif
}
