throw usage_error("No interface given");
iface = argv[1];
- char err[1024];
+ char err[PCAP_ERRBUF_SIZE];
+ pcap_if_t *devs;
+ if(pcap_findalldevs(&devs, err)==-1)
+ throw runtime_error(err);
+
pcap = pcap_open_live(iface.c_str(), 128, true, 0, err);
if(!pcap)
throw runtime_error(err);
if(pcap_setnonblock(pcap, true, err)==-1)
throw runtime_error(err);
- pcap_lookupnet(iface.c_str(), &localnet, &localnet_mask, err);
- localnet = ntohl(localnet);
- localnet_mask = ntohl(localnet_mask);
+ for(pcap_if_t *d=devs; d; d=d->next)
+ if(iface==d->name)
+ {
+ for(pcap_addr_t *a=d->addresses; a; a=a->next)
+ {
+ if(a->addr->sa_family==AF_INET)
+ {
+ Address addr(ntohl(reinterpret_cast<sockaddr_in *>(a->addr)->sin_addr.s_addr));
+ if(a->netmask)
+ addr.set_mask(Address(ntohl(reinterpret_cast<sockaddr_in *>(a->netmask)->sin_addr.s_addr)));
+ localnets.push_back(addr);
+ }
+ else if(a->addr->sa_family==AF_INET6)
+ {
+ Address addr(reinterpret_cast<sockaddr_in6 *>(a->addr)->sin6_addr);
+ if(a->netmask)
+ addr.set_mask(Address(reinterpret_cast<sockaddr_in6 *>(a->netmask)->sin6_addr));
+ localnets.push_back(addr);
+ }
+ }
+ }
+
+ pcap_freealldevs(devs);
resolver = new Resolver;
delete wnd;
pcap_close(pcap);
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ for(map<Address, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
delete i->second;
- for(map<unsigned, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end(); ++i)
+ for(map<Address, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end(); ++i)
delete i->second;
for(map<unsigned, Port *>::iterator i=ports.begin(); i!=ports.end(); ++i)
delete i->second;
float min_activity = numeric_limits<float>::max();
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ for(map<Address, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
{
i->second->tick(dt);
min_activity = min(min_activity, i->second->get_activity());
}
float del_limit = pow(10, 6-0.1*static_cast<int>(max_hosts-hosts.size()-disabled_hosts.size()));
- for(map<unsigned, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end();)
+ for(map<Address, Host *>::iterator i=disabled_hosts.begin(); i!=disabled_hosts.end();)
{
i->second->tick(dt);
if(hosts.size()>max_visible_hosts)
{
list<float> activity;
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ for(map<Address, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
activity.push_back(i->second->get_activity());
activity.sort();
advance(j, activity.size()-max_visible_hosts);
float limit = *j;
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end();)
+ for(map<Address, Host *>::iterator i=hosts.begin(); i!=hosts.end();)
{
if(i->second->get_activity()<limit)
{
GL::MatrixStack::projection() = GL::Matrix::ortho_centered(1024, 768);
GL::MatrixStack::modelview() = GL::Matrix();
- for(map<unsigned, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
+ for(map<Address, Host *>::iterator i=hosts.begin(); i!=hosts.end(); ++i)
i->second->render();
{
GL::Immediate imm((GL::COLOR4_UBYTE, GL::VERTEX2));
history->render();
}
-Host &NetVis::get_host(unsigned a)
+Host &NetVis::get_host(const Address &a)
{
- map<unsigned, Host *>::iterator i = hosts.find(a);
+ map<Address, Host *>::iterator i = hosts.find(a);
if(i!=hosts.end())
return *i->second;
return *i->second;
Host *host = new Host(*this, a);
- if((a&localnet_mask)==localnet)
- host->set_local(true);
+ for(list<Address>::const_iterator j=localnets.begin(); j!=localnets.end(); ++j)
+ if(j->masked_match(a))
+ host->set_local(true);
resolver->push(host);
host->set_position(Vector2(rand()*400.0/RAND_MAX-200.0, rand()*400.0/RAND_MAX-200.0));
for(unsigned j=0; j<100; ++j)
const iphdr *ip = reinterpret_cast<const iphdr *>(eth+1);
handle_ipv4(ctx, ip, len-sizeof(ethhdr));
}
+ else if(proto==ETH_P_IPV6)
+ {
+ const ip6_hdr *ip6 = reinterpret_cast<const ip6_hdr *>(eth+1);
+ handle_ipv6(ctx, ip6, len-sizeof(ethhdr));
+ }
else
IO::print("Unknown protocol in eth: %d\n", proto);
}
IO::print("Unknown protocol in ip: %d\n", ip->protocol);
}
+void NetVis::handle_ipv6(CaptureContext &ctx, const ip6_hdr *ip6, unsigned len)
+{
+ ctx.src_host = &get_host(ip6->ip6_src);
+ if(!IN6_IS_ADDR_MULTICAST(ip6->ip6_dst.s6_addr))
+ ctx.dst_host = &get_host(ip6->ip6_dst);
+
+ if(ip6->ip6_nxt==IPPROTO_TCP)
+ {
+ const tcphdr *tcp = reinterpret_cast<const tcphdr *>(ip6+1);
+ handle_tcp(ctx, tcp, len-sizeof(ip6_hdr));
+ }
+ else if(ip6->ip6_nxt==IPPROTO_UDP)
+ {
+ const udphdr *udp = reinterpret_cast<const udphdr *>(ip6+1);
+ handle_udp(ctx, udp, len-sizeof(ip6_hdr));
+ }
+ else
+ IO::print("Unknown next header in ip6: %d\n", ip6->ip6_nxt);
+}
void NetVis::handle_tcp(CaptureContext &ctx, const tcphdr *tcp, unsigned)
{