private void DisplayPacketData(Packet packet)
{
packetsCount++;
packetsDictionary.AddOrUpdate(packetsCount, packet, (i, p) => p);
ListViewItem packetItem;
if (packet is ARPPacket)
{
ARPPacket arpPacket = (ARPPacket)packet;
packetItem = ListViewVisualizer.GenerateListViewItem(
Color.LightPink,
packetsCount.ToString(),
TreeViewVisualizer.GetHyphenatedHwAddress(arpPacket.ARPSenderHwAddress),
String.Empty,
String.Empty,
TreeViewVisualizer.GetHyphenatedHwAddress(arpPacket.ARPTargetHwAddress),
String.Empty,
String.Empty,
"ARP",
arpPacket.ToString());
}
else if (packet is ICMPPacket)
{
ICMPPacket icmpPacket = (ICMPPacket)packet;
packetItem = ListViewVisualizer.GenerateListViewItem(
Color.Thistle,
packetsCount.ToString(),
icmpPacket.SourceAddress.ToString(),
DnsTable.GetHostByAddress(icmpPacket.SourceAddress),
String.Empty,
icmpPacket.DestinationAddress.ToString(),
DnsTable.GetHostByAddress(icmpPacket.DestinationAddress),
String.Empty,
"ICMP",
icmpPacket.ToString());
}
else if (packet is TCPPacket)
{
TCPPacket tcpPacket = (TCPPacket)packet;
packetItem = ListViewVisualizer.GenerateListViewItem(
Color.LightSkyBlue,
packetsCount.ToString(),
tcpPacket.SourceAddress.ToString(),
DnsTable.GetHostByAddress(tcpPacket.SourceAddress),
tcpPacket.SourcePort.ToString(),
tcpPacket.DestinationAddress.ToString(),
DnsTable.GetHostByAddress(tcpPacket.DestinationAddress),
tcpPacket.DestinationPort.ToString(),
"TCP",
tcpPacket.ToString());
}
else if (packet is UDPPacket)
{
UDPPacket udpPacket = (UDPPacket)packet;
packetItem = ListViewVisualizer.GenerateListViewItem(
Color.LemonChiffon,
packetsCount.ToString(),
udpPacket.SourceAddress.ToString(),
DnsTable.GetHostByAddress(udpPacket.SourceAddress),
udpPacket.SourcePort.ToString(),
udpPacket.DestinationAddress.ToString(),
DnsTable.GetHostByAddress(udpPacket.DestinationAddress),
udpPacket.DestinationPort.ToString(),
"UDP",
udpPacket.ToString());
}
else
{
packetItem = ListViewVisualizer.GenerateListViewItem(
Color.Linen,
packetsCount.ToString(),
String.Empty,
String.Empty,
String.Empty,
String.Empty,
String.Empty,
String.Empty,
"unknown",
String.Empty);
}
AddListViewItemDelegate addListViewItemDelegate = new AddListViewItemDelegate(ListViewVisualizer.AddListViewItem);
listViewPackets.Invoke(addListViewItemDelegate, new object[] { packetItem, listViewPackets });
ShowDisplayedPacketsCountDelegate showDisplayedPacketsDelegate = new ShowDisplayedPacketsCountDelegate(StatusStripVisualizer.SetLabelText);
statusStrip.Invoke(showDisplayedPacketsDelegate, new object[] { toolStripStatusLabelPacketsInfo.Name, String.Format("|Displayed packets: {0}", packetsCount), statusStrip });
if (packetsCount == 1)
{
UpdateTreeViewDelegate updateTreeViewDelegate = new UpdateTreeViewDelegate(TreeViewVisualizer.UpdateTreeView);
treeViewPacketInfo.Invoke(updateTreeViewDelegate, new object[] { (Packet)packetsDictionary[1], treeViewPacketInfo });
FillGridViewDelegate fillGridViewDelegate = new FillGridViewDelegate(DataGridViewVisualizer.FillDataGridView);
dataGridViewPacketData.Invoke(fillGridViewDelegate, new object[] { (Packet)packetsDictionary[1], dataGridViewPacketData });
}
}
public static void Ping()
{
PingType = Setting.PingType;
TraceRouteType = Setting.TraceRouteType;
PortSanProtocolType = Setting.PortSanProtocolType;
checkToolCallback("Ping request to host " + DnsTable.GetName(host.ToString()) + " [" + host.ToString() + "]");
if (PingType != "Udp")
{
addressFamily = AddressFamily.InterNetwork;
socketType = SocketType.Raw;
protocolType = ProtocolType.Icmp;
}
else
{
addressFamily = AddressFamily.InterNetwork;
socketType = SocketType.Dgram;
protocolType = ProtocolType.Udp;
}
port = 0;
int recvPacketCount = 0;
int lostPacketCount = 0;
int percent = 0;
Socket socket = new Socket(addressFamily, socketType, protocolType);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, SendTimeout);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, ReceiveTimeout);
IPEndPoint iep = new IPEndPoint(host, port);
EndPoint ep = (EndPoint)iep;
if (protocolType == ProtocolType.Icmp)
{
Icmp icmp = new Icmp();
if (PingType == "Echo Request")
{
icmp.Type = 8;
}
if (PingType == "Time Stamp")
{
icmp.Type = 13;
}
icmp.Code = 0;
icmp.DataSize = 0;
byte[] data;
if (icmp.Type == 8) // gerisi sonra yapilacak
{
//Initialize data
char[] c = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'a',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
data = new byte[c.Length + 4];
for (int i = 0; i < c.Length; i++)
{
data[i + 4] = (byte)c[i];
}
icmp.DataSize = data.Length;
Buffer.BlockCopy(BitConverter.GetBytes(2), 0, data, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 2, 2);
Buffer.BlockCopy(data, 0, icmp.Data, 0, data.Length);
int seq;
for (seq = 0; seq < PingLoopCount; seq++)
{
icmp.Checksum = 0;
Buffer.BlockCopy(BitConverter.GetBytes(seq), 0, icmp.Data, 2, 2);
UInt16 chcksum = icmp.getChecksum();
icmp.Checksum = chcksum;
byte[] buf = icmp.getBytes();
DateTime dt = DateTime.Now;
socket.SendTo(buf, 4 + icmp.DataSize, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = socket.ReceiveFrom(buf, ref ep);
recvPacketCount++;
ts = DateTime.Now - dt;
checkToolCallback("reply from: " + DnsTable.GetName(iep.Address.ToString()) + " [" + iep.Address.ToString() + "], seq: " + seq +
", time = " + ts.Milliseconds + "ms");
}
catch (SocketException)
{
lostPacketCount++;
checkToolCallback("No reply from host...");
}
Thread.Sleep(1000);
}
percent = (lostPacketCount / seq) * 100;
checkToolCallback("Send packet : " + seq.ToString() + " Received packet : " + recvPacketCount.ToString() + " Lost packet : " + lostPacketCount.ToString() + " (%" + percent.ToString() + ")");
}
if (icmp.Type == 13) // gerisi sonra yapilacak
{
data = new byte[4 + 12];
icmp.DataSize = data.Length;
Buffer.BlockCopy(BitConverter.GetBytes(2), 0, data, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 8, 4);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 12, 4);
Buffer.BlockCopy(data, 0, icmp.Data, 0, data.Length);
int seq;
for (seq = 0; seq < PingLoopCount; seq++)
{
Buffer.BlockCopy(BitConverter.GetBytes(seq + 1), 0, icmp.Data, 2, 2);
Buffer.BlockCopy(BitConverter.GetBytes(DateTime.Now.Millisecond), 0, icmp.Data, 4, 4);
icmp.Checksum = 0;
UInt16 chcksum = icmp.getChecksum();
icmp.Checksum = chcksum;
byte[] buf = icmp.getBytes();
DateTime dt = DateTime.Now;
socket.SendTo(buf, 4 + icmp.DataSize, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = socket.ReceiveFrom(buf, ref ep);
recvPacketCount++;
ts = DateTime.Now - dt;
checkToolCallback("reply from: " + DnsTable.GetName(iep.Address.ToString()) + " [" + iep.Address.ToString() + "], seq: " + seq +
", time = " + ts.Milliseconds + "ms");
}
catch (SocketException)
{
lostPacketCount++;
checkToolCallback("No reply from host...");
}
Thread.Sleep(1000);
}
percent = (lostPacketCount / seq) * 100;
checkToolCallback("Send packet : " + seq.ToString() + " Received packet : " + recvPacketCount.ToString() + " Lost packet : " + lostPacketCount.ToString() + " (%" + percent.ToString() + ")");
}
}
if (protocolType == ProtocolType.Udp) // gerisi sonra yapilacak
{
IPHostEntry hostEntry = Dns.Resolve(Dns.GetHostName());
IPEndPoint endPoint = new IPEndPoint(hostEntry.AddressList[0], 11000);
char[] c = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'a',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
byte[] data = new byte[c.Length];
for (int i = 0; i < c.Length; i++)
{
data[i] = (byte)c[i];
}
Socket tSocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.Icmp);
tSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, SendTimeout);
tSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, ReceiveTimeout);
tSocket.Bind(endPoint);
byte[] buf;
int seq;
for (seq = 0; seq < PingLoopCount; seq++)
{
DateTime dt = DateTime.Now;
socket.SendTo(data, data.Length, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = tSocket.ReceiveFrom(buf, ref ep);
recvPacketCount++;
ts = DateTime.Now - dt;
checkToolCallback("reply from: " + DnsTable.GetName(iep.Address.ToString()) + " [" + iep.Address.ToString() + "], seq: " + seq +
", time = " + ts.Milliseconds + "ms");
}
catch (SocketException)
{
lostPacketCount++;
checkToolCallback("No reply from host...");
}
Thread.Sleep(1000);
}
tSocket.Close();
percent = (lostPacketCount / seq) * 100;
checkToolCallback("Send packet : " + seq.ToString() + " Received packet : " + recvPacketCount.ToString() + " Lost packet : " + lostPacketCount.ToString() + " (%" + percent.ToString() + ")");
}
socket.Close();
}
public static void Check()
{
PingType = Setting.PingType;
TraceRouteType = Setting.TraceRouteType;
PortSanProtocolType = Setting.PortSanProtocolType;
bool reached = false;
bool portAccessed = false;
TimeSpan lastts;
checkToolCallback("Checking path to host " + DnsTable.GetName(host.ToString()) + " [" + host.ToString() + "]");
string ret = null;
if (TraceRouteType != "Udp")
{
addressFamily = AddressFamily.InterNetwork;
socketType = SocketType.Raw;
protocolType = ProtocolType.Icmp;
}
else
{
addressFamily = AddressFamily.InterNetwork;
socketType = SocketType.Dgram;
protocolType = ProtocolType.Udp;
}
if (!portArr.Contains(port) && port != -1)
{
portArr.Add(port);
}
Socket socket = new Socket(addressFamily, socketType, protocolType);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, SendTimeout);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, ReceiveTimeout);
IPEndPoint iep = new IPEndPoint(host, port);
EndPoint ep = (EndPoint)iep;
EndPoint eplast = thisCmpIp;
EndPoint epfirst = ep;
if (protocolType == ProtocolType.Icmp)
{
Icmp icmp = new Icmp();
if (TraceRouteType == "Echo Request")
{
icmp.Type = 8;
}
if (TraceRouteType == "Time Stamp")
{
icmp.Type = 13;
}
icmp.Code = 0;
icmp.DataSize = 0;
byte[] data;
if (icmp.Type == 8) // gerisi sonra yapilacak
{
//Initialize data
char[] c = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'a',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
data = new byte[c.Length + 4];
for (int i = 0; i < c.Length; i++)
{
data[i + 4] = (byte)c[i];
}
icmp.DataSize = data.Length;
Buffer.BlockCopy(BitConverter.GetBytes(2), 0, data, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 2, 2);
Buffer.BlockCopy(data, 0, icmp.Data, 0, data.Length);
int cik = 0;
lastts = DateTime.Now - DateTime.Now;
lastts -= lastts;
for (int seq = 0; seq < TraceRouteLoopCount; seq++)
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, seq + 1);
icmp.Checksum = 0;
Buffer.BlockCopy(BitConverter.GetBytes(seq), 0, icmp.Data, 2, 2);
UInt16 chcksum = icmp.getChecksum();
icmp.Checksum = chcksum;
byte[] buf = icmp.getBytes();
DateTime dt = DateTime.Now;
socket.SendTo(buf, 4 + icmp.DataSize, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = socket.ReceiveFrom(buf, ref ep);
ts = DateTime.Now - dt;
if (ts.Milliseconds < lastts.Milliseconds)
{
ts = lastts;
}
Icmp response = new Icmp(buf, recv);
if (response.Type == 11)
{
ret += "From " + DnsTable.GetName(eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")))
+ " [" + eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")) + "] to "
+ DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + (ts.Milliseconds - lastts.Milliseconds) + " ms\n";
// checkToolCallback("hop "+seq+" : response from "+ep.ToString()+" , "+(ts.Milliseconds)+" ms");
}
if (response.Type == 0)
{
reached = true;
ret += "From " + DnsTable.GetName(eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")))
+ " [" + eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")) + "] to "
+ DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + (ts.Milliseconds - lastts.Milliseconds) + " ms\n";
// checkToolCallback(ep.ToString()+" reached in "+seq+" hops, "+(ts.Milliseconds)+" ms.");
break;
}
cik = 0;
lastts = ts;
}
catch (SocketException)
{
//checkToolCallback(e.ErrorCode.ToString()+" "+e.Message/*"No reply from host..."*/);
cik++;
if (cik == 4)
{
if (ep.ToString().Substring(0, ep.ToString().IndexOf(":")) == epfirst.ToString().Substring(0, epfirst.ToString().IndexOf(":")))
{
ret += "No response obtained \n";
}
else
{
ret += "No response obtained after " + DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "]\n";
}
// checkToolCallback("Unable to contact remote host");
break;
}
}
eplast = ep;
Thread.Sleep(1000);
}
}
if (icmp.Type == 13) // gerisi sonra yapilacak
{
data = new byte[4 + 12];
icmp.DataSize = data.Length;
Buffer.BlockCopy(BitConverter.GetBytes(2), 0, data, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 8, 4);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 12, 4);
Buffer.BlockCopy(data, 0, icmp.Data, 0, data.Length);
int cik = 0;
lastts = DateTime.Now - DateTime.Now;;
lastts -= lastts;
for (int seq = 0; seq < TraceRouteLoopCount; seq++)
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, seq + 1);
Buffer.BlockCopy(BitConverter.GetBytes(seq + 1), 0, icmp.Data, 2, 2);
Buffer.BlockCopy(BitConverter.GetBytes(DateTime.Now.Millisecond), 0, icmp.Data, 4, 4);
icmp.Checksum = 0;
UInt16 chcksum = icmp.getChecksum();
icmp.Checksum = chcksum;
byte[] buf = icmp.getBytes();
DateTime dt = DateTime.Now;
socket.SendTo(buf, 4 + icmp.DataSize, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = socket.ReceiveFrom(buf, ref ep);
ts = DateTime.Now - dt;
if (ts.Milliseconds < lastts.Milliseconds)
{
ts = lastts;
}
Icmp response = new Icmp(buf, recv);
if (response.Type == 11)
{
ret += "From " + DnsTable.GetName(eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")))
+ " [" + eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")) + "] to "
+ DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + (ts.Milliseconds - lastts.Milliseconds) + " ms\n";
// checkToolCallback("hop "+seq+" : response from "+ep.ToString()+" , "+(ts.Milliseconds)+" ms");
}
if (response.Type == 14)
{
reached = true;
ret += "From " + DnsTable.GetName(eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")))
+ " [" + eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")) + "] to "
+ DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + (ts.Milliseconds - lastts.Milliseconds) + " ms\n";
// checkToolCallback(ep.ToString()+" reached in "+seq+" hops, "+(ts.Milliseconds)+" ms.");
break;
}
cik = 0;
lastts = ts;
}
catch (SocketException)
{
//checkToolCallback(e.ErrorCode.ToString()+" "+e.Message/*"No reply from host..."*/);
cik++;
if (cik == 4)
{
if (ep.ToString().Substring(0, ep.ToString().IndexOf(":")) == epfirst.ToString().Substring(0, epfirst.ToString().IndexOf(":")))
{
ret += "No response obtained \n";
}
else
{
ret += "No response obtained after " + DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "]\n";
}
//checkToolCallback("Unable to contact remote host");
break;
}
}
eplast = ep;
Thread.Sleep(1000);
}
}
}
if (protocolType == ProtocolType.Udp) // gerisi sonra yapilacak
{
IPHostEntry hostEntry = Dns.Resolve(Dns.GetHostName());
IPEndPoint endPoint = new IPEndPoint(hostEntry.AddressList[0], 11000);
char[] c = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'a',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
byte[] data = new byte[c.Length];
for (int i = 0; i < c.Length; i++)
{
data[i] = (byte)c[i];
}
Socket tSocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.Icmp);
tSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, SendTimeout);
tSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, ReceiveTimeout);
tSocket.Bind(endPoint);
int cik = 0;
byte[] buf;
lastts = DateTime.Now - DateTime.Now;;
lastts -= lastts;
for (int seq = 0; seq < TraceRouteLoopCount; seq++)
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, seq + 1);
DateTime dt = DateTime.Now;
socket.SendTo(data, data.Length, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = tSocket.ReceiveFrom(buf, ref ep);
ts = DateTime.Now - dt;
if (ts.Milliseconds < lastts.Milliseconds)
{
ts = lastts;
}
Icmp response = new Icmp(buf, recv);
if (response.Type == 11)
{
ret += "From " + DnsTable.GetName(eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")))
+ " [" + eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")) + "] to "
+ DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + (ts.Milliseconds - lastts.Milliseconds) + " ms\n";
//checkToolCallback("hop "+seq+" : response from "+ep.ToString()+" , "+(ts.Milliseconds)+" ms");
}
if (response.Type == 3)
{
reached = true;
ret += "From " + DnsTable.GetName(eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")))
+ " [" + eplast.ToString().Substring(0, eplast.ToString().IndexOf(":")) + "] to "
+ DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + (ts.Milliseconds - lastts.Milliseconds) + " ms\n";
//checkToolCallback(ep.ToString()+" reached in "+seq+" hops, "+(ts.Milliseconds)+" ms.");
break;
}
cik = 0;
lastts = ts;
}
catch (SocketException)
{
//checkToolCallback(e.ErrorCode.ToString()+" "+e.Message/*"No reply from host..."*/);
cik++;
if (cik == 4)
{
if (ep.ToString().Substring(0, ep.ToString().IndexOf(":")) == epfirst.ToString().Substring(0, epfirst.ToString().IndexOf(":")))
{
ret += "No response obtained \n";
}
else
{
ret += "No response obtained after " + DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "]\n";
}
//checkToolCallback("Unable to contact remote host");
break;
}
}
eplast = ep;
Thread.Sleep(1000);
}
tSocket.Close();
}
socket.Close();
if (!reached)
{
for (int i = 0; i < portArr.Count; i++)
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
port = (int)portArr[i];
iep = new IPEndPoint(host, port);
ep = (EndPoint)iep;
try
{
ret += "Checking port : " + port.ToString() + " on Host : " + DnsTable.GetName(host.ToString()) + " [" + host.ToString() + "]\n";
socket.Connect(ep);
if (!socket.Connected)
{
ret += "Port " + port.ToString() + " is in CLOSED state \n";
//checkToolCallback(ret);
}
else
{
socket.Close();
ret += "Port " + port.ToString() + " is in LISTENING state \n";
portAccessed = true;
break;
//checkToolCallback(ret);
}
}
catch (SocketException)
{
socket.Close();
ret += "Port " + port.ToString() + " is in CLOSED state \n";
//checkToolCallback(ret);
}
}
}
if (!reached && portAccessed)
{
ret += "Failed to trace to host but host reachable...";
}
if (!reached && !portAccessed)
{
ret += "Failed to trace to host and host unreachable...";
}
checkToolCallback(ret);
isFinished = true;
}
public static void TraceRoute()
{
PingType = Setting.PingType;
TraceRouteType = Setting.TraceRouteType;
PortSanProtocolType = Setting.PortSanProtocolType;
int hop = 1;
checkToolCallback("Trace route to host " + DnsTable.GetName(host.ToString()) + " [" + host.ToString() + "]\nFor a maximum of 30 hops");
if (TraceRouteType != "Udp")
{
addressFamily = AddressFamily.InterNetwork;
socketType = SocketType.Raw;
protocolType = ProtocolType.Icmp;
}
else
{
addressFamily = AddressFamily.InterNetwork;
socketType = SocketType.Dgram;
protocolType = ProtocolType.Udp;
}
port = 0;
Socket socket = new Socket(addressFamily, socketType, protocolType);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, SendTimeout);
socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, ReceiveTimeout);
IPEndPoint iep = new IPEndPoint(host, port);
EndPoint ep = (EndPoint)iep;
if (protocolType == ProtocolType.Icmp)
{
Icmp icmp = new Icmp();
if (TraceRouteType == "Echo Request")
{
icmp.Type = 8;
}
if (TraceRouteType == "Time Stamp")
{
icmp.Type = 13;
}
icmp.Code = 0;
icmp.DataSize = 0;
byte[] data;
if (icmp.Type == 8) // gerisi sonra yapilacak
{
//Initialize data
char[] c = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'a',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
data = new byte[c.Length + 4];
for (int i = 0; i < c.Length; i++)
{
data[i + 4] = (byte)c[i];
}
icmp.DataSize = data.Length;
Buffer.BlockCopy(BitConverter.GetBytes(2), 0, data, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 2, 2);
Buffer.BlockCopy(data, 0, icmp.Data, 0, data.Length);
int cik = 0;
for (int seq = 0; seq < TraceRouteLoopCount; seq++)
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, seq + 1);
icmp.Checksum = 0;
Buffer.BlockCopy(BitConverter.GetBytes(seq), 0, icmp.Data, 2, 2);
UInt16 chcksum = icmp.getChecksum();
icmp.Checksum = chcksum;
byte[] buf = icmp.getBytes();
DateTime dt = DateTime.Now;
socket.SendTo(buf, 4 + icmp.DataSize, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = socket.ReceiveFrom(buf, ref ep);
ts = DateTime.Now - dt;
Icmp response = new Icmp(buf, recv);
if (response.Type == 11)
{
checkToolCallback(hop + " : response from " + DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] , " + (ts.Milliseconds) + " ms");
hop++;
}
if (response.Type == 0)
{
checkToolCallback(DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + hop + " hop, " + (ts.Milliseconds) + " ms.");
break;
}
cik = 0;
}
catch (SocketException)
{
checkToolCallback(hop + " : Request time out...");
hop++;
cik++;
if (cik == 5)
{
checkToolCallback("Unable to contact remote host");
break;
}
}
Thread.Sleep(1000);
}
}
if (icmp.Type == 13) // gerisi sonra yapilacak
{
data = new byte[4 + 12];
icmp.DataSize = data.Length;
Buffer.BlockCopy(BitConverter.GetBytes(2), 0, data, 0, 2);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 8, 4);
Buffer.BlockCopy(BitConverter.GetBytes(0), 0, data, 12, 4);
Buffer.BlockCopy(data, 0, icmp.Data, 0, data.Length);
int cik = 0;
for (int seq = 0; seq < TraceRouteLoopCount; seq++)
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, seq + 1);
Buffer.BlockCopy(BitConverter.GetBytes(seq + 1), 0, icmp.Data, 2, 2);
Buffer.BlockCopy(BitConverter.GetBytes(DateTime.Now.Millisecond), 0, icmp.Data, 4, 4);
icmp.Checksum = 0;
UInt16 chcksum = icmp.getChecksum();
icmp.Checksum = chcksum;
byte[] buf = icmp.getBytes();
DateTime dt = DateTime.Now;
socket.SendTo(buf, 4 + icmp.DataSize, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = socket.ReceiveFrom(buf, ref ep);
ts = DateTime.Now - dt;
Icmp response = new Icmp(buf, recv);
if (response.Type == 11)
{
checkToolCallback(hop + " : Response from " + DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] , " + (ts.Milliseconds) + " ms");
hop++;
}
if (response.Type == 14)
{
checkToolCallback(DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + hop + " hop, " + (ts.Milliseconds) + " ms.");
break;
}
cik = 0;
}
catch (SocketException)
{
checkToolCallback(hop + " : Request time out...");
cik++;
hop++;
if (cik == 5)
{
checkToolCallback("Unable to contact remote host");
break;
}
}
Thread.Sleep(1000);
}
}
}
if (protocolType == ProtocolType.Udp) // gerisi sonra yapilacak
{
IPHostEntry hostEntry = Dns.Resolve(Dns.GetHostName());
IPEndPoint endPoint = new IPEndPoint(hostEntry.AddressList[0], 11000);
char[] c = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'a',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
byte[] data = new byte[c.Length];
for (int i = 0; i < c.Length; i++)
{
data[i] = (byte)c[i];
}
Socket tSocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.Icmp);
tSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, SendTimeout);
tSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReceiveTimeout, ReceiveTimeout);
tSocket.Bind(endPoint);
int cik = 0;
byte[] buf;
for (int seq = 0; seq < TraceRouteLoopCount; seq++)
{
socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.IpTimeToLive, seq + 1);
DateTime dt = DateTime.Now;
socket.SendTo(data, data.Length, SocketFlags.None, iep);
TimeSpan ts;
try
{
buf = new byte[1024];
int recv = tSocket.ReceiveFrom(buf, ref ep);
ts = DateTime.Now - dt;
Icmp response = new Icmp(buf, recv);
if (response.Type == 11)
{
checkToolCallback(hop + " : response from " + DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] , " + (ts.Milliseconds) + " ms");
hop++;
}
if (response.Type == 3)
{
checkToolCallback(DnsTable.GetName(ep.ToString().Substring(0, ep.ToString().IndexOf(":")))
+ " [" + ep.ToString().Substring(0, ep.ToString().IndexOf(":")) + "] reached in " + hop + " hop, " + (ts.Milliseconds) + " ms.");
break;
}
cik = 0;
}
catch (SocketException)
{
checkToolCallback(hop + " : Request time out...");
cik++;
hop++;
if (cik == 5)
{
checkToolCallback("Unable to contact remote host");
break;
}
}
Thread.Sleep(1000);
}
tSocket.Close();
}
socket.Close();
checkToolCallback("Trace complete");
}
