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stubbfel
2015-08-12 00:29:54 +02:00
commit 48991fcdf7
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31
.gitignore vendored Normal file
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# Created by https://www.gitignore.io
### C++ ###
# Compiled Object files
*.slo
*.lo
*.o
*.obj
# Precompiled Headers
*.gch
*.pch
# Compiled Dynamic libraries
*.so
*.dylib
*.dll
# Fortran module files
*.mod
# Compiled Static libraries
*.lai
*.la
*.a
*.lib
# Executables
*.exe
*.out
*.app

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1T1NAT.cbp Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_project_file>
<FileVersion major="1" minor="6" />
<Project>
<Option title="1T1NAT" />
<Option pch_mode="2" />
<Option compiler="gcc" />
<Option extended_obj_names="1" />
<Build>
<Target title="UnitTest">
<Option output="bin/UnitTest/1T1NAT" prefix_auto="1" extension_auto="1" />
<Option object_output="obj/UnitTest/" />
<Option type="1" />
<Option compiler="gcc" />
<Option host_application="sudo" />
<Option run_host_application_in_terminal="1" />
<Compiler>
<Add option="-std=c++11" />
<Add option="-Wfatal-errors" />
<Add option="-Wextra" />
<Add option="-Wall" />
<Add option="-g" />
<Add option="-pthread" />
</Compiler>
<Linker>
<Add library="/usr/local/lib/libtins.so.3.3" />
<Add library="/lib/libpthread.so" />
<Add library="/usr/local/lib/libUnitTest++.a" />
</Linker>
</Target>
<Target title="Debug">
<Option output="bin/Debug/1T1NAT" prefix_auto="1" extension_auto="1" />
<Option object_output="obj/Debug/" />
<Option type="1" />
<Option compiler="gcc" />
<Option host_application="sudo" />
<Option run_host_application_in_terminal="1" />
<Compiler>
<Add option="-std=c++11" />
<Add option="-g" />
<Add option="-pthread" />
</Compiler>
<Linker>
<Add library="/usr/local/lib/libtins.so.3.3" />
<Add library="/lib64/libpthread.so" />
</Linker>
</Target>
<Target title="Release">
<Option output="bin/Release/1T1NAT" prefix_auto="1" extension_auto="1" />
<Option object_output="obj/Release/" />
<Option type="1" />
<Option compiler="gcc" />
<Compiler>
<Add option="-O2" />
</Compiler>
<Linker>
<Add option="-s" />
</Linker>
</Target>
</Build>
<Compiler>
<Add option="-Wall" />
<Add option="-fexceptions" />
</Compiler>
<Unit filename="main.cpp">
<Option target="Debug" />
<Option target="Release" />
</Unit>
<Unit filename="src/map/natmap.cpp" />
<Unit filename="src/map/natmap.h" />
<Unit filename="test/case/testcaseipcalc.cpp">
<Option target="UnitTest" />
</Unit>
<Unit filename="test/suite/testsuitearp.cpp">
<Option target="UnitTest" />
</Unit>
<Unit filename="test/suite/testsuiteip.cpp">
<Option target="UnitTest" />
</Unit>
<Unit filename="test/suite/testsuitenat.cpp">
<Option target="UnitTest" />
</Unit>
<Unit filename="test/unittest_main.cpp">
<Option target="UnitTest" />
</Unit>
<Extensions>
<envvars />
<code_completion />
<lib_finder disable_auto="1">
<lib name="libtins" />
</lib_finder>
<debugger />
</Extensions>
</Project>
</CodeBlocks_project_file>

33
1T1NAT.depend Normal file
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# depslib dependency file v1.0
1439147884 source:/home/dev/projects/1T1NAT/main.cpp
<iostream>
<tins/tins.h>
<thread>
1439330649 source:/home/dev/projects/1T1NAT/src/map/natmap.cpp
"natmap.h"
1439327491 /home/dev/projects/1T1NAT/src/map/natmap.h
<vector>
<tins/tins.h>
1439326884 source:/home/dev/projects/1T1NAT/test/unittest_main.cpp
"UnitTest++/UnitTest++.h"
"../src/map/natmap.h"
<tins/tins.h>
<vector>
1439329061 source:/home/dev/projects/1T1NAT/test/case/testcaseipcalc.cpp
"UnitTest++/UnitTest++.h"
"../../src/map/natmap.h"
<tins/tins.h>
<vector>
1439325103 source:/home/dev/projects/1T1NAT/test/suite/testsuitearp.cpp
1439325103 source:/home/dev/projects/1T1NAT/test/suite/testsuiteip.cpp
1439327293 source:/home/dev/projects/1T1NAT/test/suite/testsuitenat.cpp
"UnitTest++/UnitTest++.h"
"../../src/map/natmap.h"

34
1T1NAT.layout Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_layout_file>
<ActiveTarget name="UnitTest" />
<File name="test/unittest_main.cpp" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="107" topLine="0" />
</Cursor>
</File>
<File name="test/case/testcaseipcalc.cpp" open="1" top="1" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="3105" topLine="0" />
</Cursor>
</File>
<File name="main.cpp" open="0" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="1492" topLine="54" />
</Cursor>
</File>
<File name="src/map/natmap.h" open="1" top="0" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="16" topLine="4" />
</Cursor>
</File>
<File name="src/map/natmap.cpp" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="863" topLine="18" />
</Cursor>
</File>
<File name="test/suite/testsuitenat.cpp" open="0" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="87" topLine="0" />
</Cursor>
</File>
</CodeBlocks_layout_file>

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main.cpp Normal file
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#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;
}

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src/map/natmap.cpp Normal file
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#include "natmap.h"
namespace otonat
{
NatMap::NatMap(): NatMap(Tins::NetworkInterface::all())
{
//ctor
}
NatMap::NatMap(std::vector<Tins::NetworkInterface> interfaceList) : interfaces(interfaceList)
{
}
NatMap::~NatMap()
{
//dtor
}
NatMap::NatMap(const NatMap& other) : interfaces(other.interfaces)
{
//copy ctor
}
NatMap& NatMap::operator=(const NatMap& rhs)
{
if (this == &rhs) return *this; // handle self assignment
interfaces = rhs.interfaces;
return *this;
}
const Tins::IPv4Address NatMap::mapIPv4Address(const Tins::IPv4Address & ip, const Tins::NetworkInterface::Info & interfaceInfo)
{
const uint32_t & netmask = interfaceInfo.netmask;
const uint32_t & interfaceIp = interfaceInfo.ip_addr;
const uint32_t networkStartIp = interfaceIp & netmask;
const uint32_t resultIp = (ip & ~netmask) | networkStartIp;
return Tins::IPv4Address(resultIp);
}
}

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src/map/natmap.h Normal file
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#ifndef NATMAP_H
#define NATMAP_H
#include <vector>
#include <tins/tins.h>
namespace otonat
{
class NatMap
{
public:
NatMap();
NatMap(std::vector<Tins::NetworkInterface> interfaceList);
virtual ~NatMap();
NatMap(const NatMap& other);
NatMap& operator=(const NatMap& other);
std::vector<Tins::NetworkInterface> interfaces;
static const Tins::IPv4Address mapIPv4Address(const Tins::IPv4Address & ip, const Tins::NetworkInterface::Info & interfaceInfo);
protected:
private:
};
}
#endif // NATMAP_H

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test/case/testcaseipcalc.cpp Normal file
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#include "UnitTest++/UnitTest++.h"
#include "../../src/map/natmap.h"
#include <tins/tins.h>
#include <vector>
SUITE(NatTests)
{
class NatTestFixure
{
public:
otonat::NatMap natMap = otonat::NatMap();
Tins::IPv4Address deviceIpEth0 = Tins::IPv4Address("10.0.3.40");
Tins::IPv4Address deviceIpEth1 = Tins::IPv4Address("192.168.23.42");
Tins::IPv4Address deviceIpEth2 = Tins::IPv4Address("172.27.123.4");
Tins::NetworkInterface::Info eth0Info =
{
.ip_addr = Tins::IPv4Address("10.0.0.2"),
.netmask = Tins::IPv4Address("255.0.0.0"),
.bcast_addr = Tins::IPv4Address("10.255.255.255"),
.hw_addr = Tins::HWAddress<6>("00:00:00:00:00:01"),
.is_up = true
};
Tins::NetworkInterface::Info eth1Info =
{
.ip_addr = Tins::IPv4Address("192.168.23.42"),
.netmask = Tins::IPv4Address("255.255.255.0"),
.bcast_addr = Tins::IPv4Address("192.168.23.255"),
.hw_addr = Tins::HWAddress<6>("00:00:00:00:00:02"),
.is_up = true
};
Tins::NetworkInterface::Info eth2Info =
{
.ip_addr = Tins::IPv4Address("172.16.47.11"),
.netmask = Tins::IPv4Address("255.240.0.0"),
.bcast_addr = Tins::IPv4Address("172.31.255.255"),
.hw_addr = Tins::HWAddress<6>("00:00:00:00:00:03"),
.is_up = true
};
};
TEST_FIXTURE(NatTestFixure, NetworkInterfaces)
{
CHECK(!natMap.interfaces.empty());
}
TEST_FIXTURE(NatTestFixure, IpCalcEth0)
{
Tins::IPv4Address expetedIp = deviceIpEth0;
Tins::IPv4Address resultIp = natMap.mapIPv4Address(deviceIpEth0, eth0Info);
CHECK_EQUAL(expetedIp,resultIp);
expetedIp = Tins::IPv4Address("10.168.23.42");
resultIp = natMap.mapIPv4Address(deviceIpEth1, eth0Info);
CHECK_EQUAL(expetedIp,resultIp);
expetedIp = Tins::IPv4Address("10.27.123.4");
resultIp = natMap.mapIPv4Address(deviceIpEth2, eth0Info);
CHECK_EQUAL(expetedIp,resultIp);
}
TEST_FIXTURE(NatTestFixure, IpCalcEth1)
{
Tins::IPv4Address expetedIp = Tins::IPv4Address("192.168.23.40");
Tins::IPv4Address resultIp = natMap.mapIPv4Address(deviceIpEth0, eth1Info);
CHECK_EQUAL(expetedIp,resultIp);
expetedIp = deviceIpEth1;
resultIp = natMap.mapIPv4Address(deviceIpEth1, eth1Info);
CHECK_EQUAL(expetedIp,resultIp);
expetedIp = Tins::IPv4Address("192.168.23.4");
resultIp = natMap.mapIPv4Address(deviceIpEth2, eth1Info);
CHECK_EQUAL(expetedIp,resultIp);
}
TEST_FIXTURE(NatTestFixure, IpCalcEth2)
{
Tins::IPv4Address expetedIp = Tins::IPv4Address("172.16.3.40");
Tins::IPv4Address resultIp = natMap.mapIPv4Address(deviceIpEth0, eth2Info);
CHECK_EQUAL(expetedIp,resultIp);
expetedIp = Tins::IPv4Address("172.24.23.42");
resultIp = natMap.mapIPv4Address(deviceIpEth1, eth2Info);
CHECK_EQUAL(expetedIp,resultIp);
expetedIp = deviceIpEth2;
resultIp = natMap.mapIPv4Address(deviceIpEth2, eth2Info);
CHECK_EQUAL(expetedIp,resultIp);
}
}

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test/unittest_main.cpp Normal file
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#include "UnitTest++/UnitTest++.h"
#include "../src/map/natmap.h"
#include <tins/tins.h>
#include <vector>
int main(int, const char *[])
{
return UnitTest::RunAllTests();
}