init

main.cpp

@@ -0,0 +1,117 @@
+#include <iostream>
+#include <tins/tins.h>
+#include <thread>
+
+using namespace std;
+using namespace Tins;
+
+const IPv4Address calcAdress(const IPv4Address & ip)
+{
+    IPv4Address incommingIp = IPv4Address(ip);
+    IPv4Address networkStartIp = IPv4Address("10.0.0.0");
+    IPv4Address subnetp = IPv4Address("255.255.240.0");
+
+    uint32_t ipInt = (incommingIp & ~subnetp) | networkStartIp;
+    IPv4Address result = IPv4Address(ipInt);
+    std::cout << "Destination address: " << incommingIp << std::endl;
+    std::cout << "new Destination address: " << result<< std::endl;
+    std::cout << "####"<< std::endl;
+    return result;
+}
+
+bool arpm(const PDU &pdu)
+{
+    // Retrieve the ARP layer
+    const ARP &arp = pdu.rfind_pdu<ARP>();
+    std::cout << arp.opcode()<< std::endl;
+    if (arp.opcode() == ARP::REQUEST)
+    {
+        PacketSender sender;
+        const NetworkInterface iface("vboxnet0");
+        EthernetII req = ARP::make_arp_request(calcAdress(arp.target_ip_addr()),"10.0.3.42","08:00:27:d3:ef:1e");
+        sender.send(req, iface);
+    }
+
+    return true;
+}
+
+bool arpm2(const PDU &pdu)
+{
+    // Retrieve the ARP layer
+    const ARP &arp = pdu.rfind_pdu<ARP>();
+    std::cout << arp.opcode()<< std::endl;
+    if (arp.opcode() == ARP::REPLY)
+    {
+        PacketSender sender;
+        const NetworkInterface iface("vboxnet1");
+        EthernetII rep = ARP::make_arp_reply("172.16.3.42","172.17.0.20","08:00:27:d3:ef:1e","08:00:27:29:f2:55");
+        sender.send(rep, iface);
+    } else if (arp.target_ip_addr().to_string() == "10.0.3.42")
+    {
+        PacketSender sender;
+        const NetworkInterface iface("vboxnet0");
+        EthernetII rep = ARP::make_arp_reply("10.0.0.20","10.0.3.42","08:00:27:29:f2:55","08:00:27:d3:ef:1e");
+        sender.send(rep, iface);
+    }
+
+    return true;
+}
+
+bool doo(PDU &some_pdu)
+{
+    //PacketWriter writer("before.pcap", PacketWriter::ETH2);
+    //writer.write(some_pdu);
+
+    IP &ip = some_pdu.rfind_pdu<IP>();
+    ip.dst_addr(calcAdress(ip.dst_addr()));
+    ip.src_addr("10.0.3.42");
+    //writer = PacketWriter("after.pcap", PacketWriter::ETH2);
+    //writer.write(some_pdu);
+    PacketSender sender;
+    some_pdu.send(sender,"vboxnet0");
+    return true;
+}
+
+
+
+void test1()
+{
+    SnifferConfiguration config;
+    config.set_promisc_mode(true);
+    config.set_immediate_mode(true);
+    //config.set_filter("ip src 192.168.0.100");
+    Sniffer sniffer("vboxnet1", config);
+    sniffer.sniff_loop(arpm);
+}
+
+void test2()
+{
+    SnifferConfiguration config;
+    config.set_promisc_mode(true);
+    config.set_immediate_mode(true);
+    //config.set_filter("ip src 192.168.0.100");
+    Sniffer sniffer("vboxnet0", config);
+    sniffer.sniff_loop(arpm2);
+}
+
+void test3()
+{
+    SnifferConfiguration config;
+    config.set_promisc_mode(true);
+    config.set_immediate_mode(true);
+    //config.set_filter("ip src 192.168.0.100");
+    Sniffer sniffer("vboxnet1", config);
+    sniffer.sniff_loop(doo);
+}
+
+int main()
+{
+    thread t1(test1);
+    thread t2(test2);
+    thread t3(test3);
+    t1.join();
+    t2.join();
+    t3.join();
+    return 0;
+}
+