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#include "Environment.h"
#include "IFace.h"
#include "NetSender.h"
#include "NetWatcher.h"
#include "PacketMaker.h"
#include <stdio.h>
#include <iostream>
extern "C" {
#include <libnet.h>
}
using namespace std;
using namespace wibble::sys;
class PacketPrinter : public PacketListener
{
public:
virtual void handleARP(struct libnet_arp_hdr* arp_header) throw ()
{
cout << "Seen ARP";
// Parse and check the arp header
if (ntohs (arp_header->ar_op) == ARPOP_REPLY)
{
string rep;
//in_addr* ipv4_him = arp_get_tip(arp_header);
in_addr* ipv4_him = arp_get_sip(arp_header);
ether_addr* mac_him = arp_get_sha(arp_header);
rep += fmt(IPAddress(*ipv4_him)) + " " + fmt(*mac_him);
cout << " reply from " << rep;
//IPv4_FROM_LIBNET(ipv4_me, arp_header->ar_tpa);
//IPv4_FROM_ARP(ipv4_him, arp_header->ar_spa);
}
cout << endl;
}
virtual void handleEthernet(struct libnet_ethernet_hdr* arp_header) throw ()
{
cout << "Seen Ethernet" << endl;
}
// others to come as needed, like:
// // // virtual handleDHCP(struct libnet_hdcp_something* hdcp_header) throw () {}
};
static void printConfig(const char* tag, IFace& iface)
{
if_params ifp = iface.getConfiguration();
printf("%-10.10s %s: ", tag, iface.name().c_str());
ifp.print();
}
int main(int argc, char* argv[])
{
if (argc < 2)
fatal_error("Usage: %s <iface>\n", argv[0]);
try {
wibble::exception::InstallUnexpected installUnexpected;
{
fprintf(stderr, "\t\tTrying libnet setup...\n");
libnet_t* ln_context;
char ln_errbuf[LIBNET_ERRBUF_SIZE];
if (!(ln_context = libnet_init(LIBNET_LINK_ADV, argv[1], ln_errbuf)))
throw wibble::exception::Libnet(ln_errbuf, "opening link interface");
fprintf(stderr, "\t\tLibnet deleting %p...\n", ln_context);
libnet_destroy(ln_context);
fprintf(stderr, "\t\tLibnet tried...\n");
}
IFace iface(argv[1]);
if_params ifp = iface.getConfiguration();
printConfig("Initial", iface);
{
fprintf(stderr, "\t\tInitializing net sender...\n");
NetSender sender(argv[1]);
printConfig("Post-NS", iface);
}
/*
fprintf(stderr, "\t\tDeconfiguring interface...\n");
system("ifconfig eth0 down");
printConfig("Down", iface);
{
fprintf(stderr, "\t\tInitializing net sender...\n");
NetSender sender(argv[1]);
printConfig("Post-NS", iface);
}
fprintf(stderr, "\t\tConfiguring for broadcast...\n");
iface.initBroadcast(4);
printConfig("Broadcast", iface);
{
fprintf(stderr, "\t\tInitializing net sender...\n");
NetSender sender(argv[1]);
printConfig("Post-NS", iface);
}
*/
NetSender sender(argv[1]);
NetWatcher watcher(argv[1]);
PacketPrinter pp;
watcher.addARPListener(&pp);
// Build and send arp probes
PacketMaker pm(sender);
Buffer pkt = pm.makeARPRequest(IPAddress("192.168.1.1"), IPAddress("0.0.0.0"));
// Enqueue the packet for sending
sender.post(pkt, 1000, 10000);
sleep(20);
fprintf(stderr, "\t\tRestoring interface...\n");
iface.setConfiguration(ifp);
printConfig("Restored", iface);
fprintf(stderr, "\t\tDone.\n");
}
catch (std::exception& e)
{
error("%s\n", e.what());
return 1;
}
return 0;
}
// vim:set ts=4 sw=4:
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