private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
IPGlobalProperties ipGlobal = IPGlobalProperties.GetIPGlobalProperties();
//int i = 0;
BackgroundWorker back = (BackgroundWorker)sender;
IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
TcpConnectionInformation[] tcp = properties.GetActiveTcpConnections();
//TcpConnectionInformation tcp=new TcpConnectionInformation();
tcp = ipGlobal.GetActiveTcpConnections();
foreach (TcpConnectionInformation i in tcp)
{
if (checkBox1.Checked == true)
{
transfer tr = new transfer();
string[] ipRemote = i.RemoteEndPoint.ToString().Split(':');
string[] ipLocal = i.LocalEndPoint.ToString().Split(':');
try
{
ipRemote[0] = Dns.GetHostEntry(ipRemote[0]).HostName;
tr.DestDns = ipRemote[0] + ":" + ipRemote[1];
}
catch
{
tr.DestDns = ipRemote[0] + ":" + ipRemote[1];
}
try
{
ipLocal[0] = Dns.GetHostEntry(ipLocal[0]).HostName;
tr.SourceDns = ipLocal[0] + ":" + ipLocal[1];
}
catch
{
tr.SourceDns = ipLocal[0] + ":" + ipLocal[1];
}
tr.state = i.State.ToString();
back.ReportProgress(0, tr);
}
else
{
back.ReportProgress(0, i);
}
if (back.CancellationPending == true)
{
back.ReportProgress(1);
e.Cancel = true;
break;
}
}
}
public void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
transfer Packet = (transfer)e.UserState;
string display;
if (checkBox2.Checked)
{
display = string.Format("{0,10:D} : {1,10:D}{2,10:D}{3,10:D}{4,10:D}{5,10:D}", Packet.SourceDns, Packet.DestDns, Packet.protocol, Packet.srcPort, Packet.destPort, Packet.totalLength);
}
else
{
display = string.Format("{0,10:D} : {1,10:D}{2,10:D}{3,10:D}{4,10:D}{5,10:D}", Packet.source, Packet.destination, Packet.protocol, Packet.srcPort, Packet.destPort, Packet.totalLength);
}
listBox1.Items.Add(display);
int nr;
int.TryParse(listBox1.Items.Count.ToString(), out nr);
PacketData.Add(Packet);
}
public void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
string con;
if (e.ProgressPercentage == 1)
{
button1.Enabled = true;
}
if (checkBox1.Checked == true)
{
try
{
transfer tr = (transfer)e.UserState;
con = tr.SourceDns + " " + tr.DestDns + " " + tr.state + "\r\n";
textBox1.Text = textBox1.Text + con;
}
catch
{
textBox1.Text = " ";
}
}
else
{
try
{
TcpConnectionInformation tcp = (TcpConnectionInformation)e.UserState;
con = tcp.LocalEndPoint + " : " + " " + tcp.RemoteEndPoint + " " + tcp.State + "\r\n";
textBox1.Text = textBox1.Text + con;
}
catch
{
textBox1.Text = " ";
}
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
IPGlobalProperties ipGlobal = IPGlobalProperties.GetIPGlobalProperties();
//int i = 0;
BackgroundWorker back = (BackgroundWorker)sender;
IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
TcpConnectionInformation[] tcp = properties.GetActiveTcpConnections();
//TcpConnectionInformation tcp=new TcpConnectionInformation();
tcp = ipGlobal.GetActiveTcpConnections();
foreach (TcpConnectionInformation i in tcp)
{
if (checkBox1.Checked == true)
{
transfer tr = new transfer();
string[] ipRemote = i.RemoteEndPoint.ToString().Split(':');
string[] ipLocal = i.LocalEndPoint.ToString().Split(':');
try
{
ipRemote[0] = Dns.GetHostEntry(ipRemote[0]).HostName;
tr.DestDns = ipRemote[0] + ":" + ipRemote[1];
}
catch
{
tr.DestDns = ipRemote[0] + ":" + ipRemote[1];
}
try
{
ipLocal[0] = Dns.GetHostEntry(ipLocal[0]).HostName;
tr.SourceDns = ipLocal[0] + ":" + ipLocal[1];
}
catch
{
tr.SourceDns = ipLocal[0] + ":" + ipLocal[1];
}
tr.state = i.State.ToString();
back.ReportProgress(0, tr);
}
else
{
back.ReportProgress(0, i);
}
if (back.CancellationPending == true)
{
back.ReportProgress(1);
e.Cancel = true;
break;
}
}
}
public void ipCapt(BackgroundWorker bc, CheckBox ck, string ip, Button But)
{
try
{
transfer PacketData = new transfer();
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
IPEndPoint ipend = new IPEndPoint(IPAddress.Parse(ip), 0);
sock.Bind(ipend);
sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.HeaderIncluded, true);
byte[] syorcval = new byte[4] {
1, 0, 0, 0
};
byte[] dataLength = new byte[4] {
1, 1, 1, 1
};
sock.IOControl(IOControlCode.ReceiveAll, syorcval, dataLength);
byte[] data = new byte[65000];
sock.Receive(data);
MemoryStream buffer = new MemoryStream(data);
BinaryReader read = new BinaryReader(buffer);
byte c = 0;
byte s = read.ReadByte();
c = s;
c <<= 4;
c >>= 4;
s >>= 4;
PacketData.version = s.ToString();
PacketData.headerLength = c.ToString();
byte DcspEscn = read.ReadByte();
PacketData.DSCP = ((DcspEscn >> 2) << 2).ToString();
PacketData.ESCN = (DcspEscn << 6).ToString();
ushort length = (ushort)IPAddress.NetworkToHostOrder(read.ReadInt16());
PacketData.totalLength = length.ToString();
PacketData.Identification = ((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString();
ushort flag = (ushort)IPAddress.NetworkToHostOrder(read.ReadInt16());
int df = flag >> 13;
//int mf = flagoff & (1 << 2) ;
if (df == 2)
{
PacketData.fragmentation = "NO";
}
else if (df == 8)
{
PacketData.fragmentation = "YES";
}
else
{
PacketData.fragmentation = "0-Reserved";
}
int off = flag << 3;
off >>= 3;
PacketData.offset = off.ToString();
PacketData.TTL = read.ReadByte().ToString();
string prot = read.ReadByte().ToString();
if (prot == "6")
{
PacketData.protocol = "TCP";
}
else if (prot == "17")
{
PacketData.protocol = "UDP";
}
else
{
PacketData.protocol = "other";
}
int checksumIp = IPAddress.NetworkToHostOrder(read.ReadInt16());
string checksumIps = BitConverter.ToString(BitConverter.GetBytes(checksumIp));
checksumIps = checksumIps.Replace("-", "");
PacketData.checksum = checksumIps;
IPAddress a = new IPAddress((uint)read.ReadInt32());
IPAddress d = new IPAddress((uint)read.ReadInt32());
if (ck.Checked)
{
try
{
PacketData.SourceDns = Dns.GetHostEntry(a.ToString()).HostName;
}
catch
{
PacketData.SourceDns = a.ToString();
}
try
{
PacketData.DestDns = Dns.GetHostEntry(d.ToString()).HostName;
}
catch
{
PacketData.DestDns = d.ToString();
}
}
PacketData.source = a.ToString();
PacketData.destination = d.ToString();
PacketData.srcPort = (((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString());
PacketData.destPort = (((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString());
if (PacketData.protocol == "TCP")
{
PacketData.seqNumber = (((uint)IPAddress.NetworkToHostOrder(read.ReadInt32())).ToString());
PacketData.ackNumber = (((uint)IPAddress.NetworkToHostOrder(read.ReadInt32())).ToString());
//ushort offflag = (ushort)IPAddress.NetworkToHostOrder(read.ReadInt16());
byte offtcp = read.ReadByte();
PacketData.tcpOffData = (offtcp >> 4).ToString();
byte flagtcp = read.ReadByte();
PacketData.ns = ((offtcp & (1 << 7)) != 0).ToString();
PacketData.cwr = ((flagtcp & (1 << 0)) != 0).ToString();
PacketData.ece = ((flagtcp & (1 << 1)) != 0).ToString();
PacketData.urg = ((flagtcp & (1 << 2)) != 0).ToString();
PacketData.ack = ((flagtcp & (1 << 3)) != 0).ToString();
PacketData.psh = ((flagtcp & (1 << 4)) != 0).ToString();
PacketData.rst = ((flagtcp & (1 << 5)) != 0).ToString();
PacketData.syn = ((flagtcp & (1 << 6)) != 0).ToString();
PacketData.fin = ((flagtcp & (1 << 7)) != 0).ToString();
PacketData.WindowSize = ((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString();
int checksumTcp = IPAddress.NetworkToHostOrder(read.ReadInt16());
string checksumTcpString = BitConverter.ToString(BitConverter.GetBytes(checksumTcp));
checksumTcpString = checksumTcpString.Replace("-", "");
PacketData.TcpChecksum = checksumTcpString;
if (PacketData.urg == "true")
{
PacketData.urg = ((uint)IPAddress.NetworkToHostOrder(read.ReadInt32())).ToString();
}
read.ReadBytes(2);
}
else if (PacketData.protocol == "UDP")
{
PacketData.udpLength = ((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString();
int checksumUdp = IPAddress.NetworkToHostOrder(read.ReadInt16());
string checksumUdps = BitConverter.ToString(BitConverter.GetBytes(checksumUdp));
checksumUdps = checksumUdps.Replace("-", "");
PacketData.udpChecksum = checksumUdps;
}
byte[] datas = new byte[10024];
if (PacketData.protocol == "UDP")
{
datas = read.ReadBytes(length - 28);
datas.Reverse();
}
else if (PacketData.protocol == "TCP")
{
datas = read.ReadBytes(length - 40);
datas.Reverse();
}
PacketData.data = Encoding.ASCII.GetString(datas);
bc.ReportProgress(0, PacketData);
Thread.Sleep(60);
}
catch
{
MessageBox.Show("Error \r\nTry another interface");
bc.CancelAsync();
But.Invoke((MethodInvoker)(() => But.Text = "Start"));
return;
}
}
public void ipCapt(BackgroundWorker bc, CheckBox ck, string ip,Button But)
{
try
{
transfer PacketData = new transfer();
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
IPEndPoint ipend = new IPEndPoint(IPAddress.Parse(ip), 0);
sock.Bind(ipend);
sock.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.HeaderIncluded, true);
byte[] syorcval = new byte[4] { 1, 0, 0, 0 };
byte[] dataLength = new byte[4] { 1, 1, 1, 1 };
sock.IOControl(IOControlCode.ReceiveAll, syorcval, dataLength);
byte[] data = new byte[65000];
sock.Receive(data);
MemoryStream buffer = new MemoryStream(data);
BinaryReader read = new BinaryReader(buffer);
byte c = 0;
byte s = read.ReadByte();
c = s;
c <<= 4;
c >>= 4;
s >>= 4;
PacketData.version = s.ToString();
PacketData.headerLength = c.ToString();
byte DcspEscn = read.ReadByte();
PacketData.DSCP = ((DcspEscn >> 2) << 2).ToString();
PacketData.ESCN = (DcspEscn << 6).ToString();
ushort length = (ushort)IPAddress.NetworkToHostOrder(read.ReadInt16());
PacketData.totalLength = length.ToString();
PacketData.Identification = ((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString();
ushort flag = (ushort)IPAddress.NetworkToHostOrder(read.ReadInt16());
int df = flag >> 13;
//int mf = flagoff & (1 << 2) ;
if (df == 2)
PacketData.fragmentation = "NO";
else if (df == 8)
PacketData.fragmentation = "YES";
else
PacketData.fragmentation = "0-Reserved";
int off = flag << 3;
off >>= 3;
PacketData.offset = off.ToString();
PacketData.TTL = read.ReadByte().ToString();
string prot = read.ReadByte().ToString();
if (prot == "6")
PacketData.protocol = "TCP";
else if (prot == "17")
PacketData.protocol = "UDP";
else
PacketData.protocol = "other";
int checksumIp = IPAddress.NetworkToHostOrder(read.ReadInt16());
string checksumIps = BitConverter.ToString(BitConverter.GetBytes(checksumIp));
checksumIps = checksumIps.Replace("-", "");
PacketData.checksum = checksumIps;
IPAddress a = new IPAddress((uint)read.ReadInt32());
IPAddress d = new IPAddress((uint)read.ReadInt32());
if (ck.Checked)
{
try
{
PacketData.SourceDns = Dns.GetHostEntry(a.ToString()).HostName;
}
catch
{
PacketData.SourceDns = a.ToString();
}
try
{
PacketData.DestDns = Dns.GetHostEntry(d.ToString()).HostName;
}
catch
{
PacketData.DestDns = d.ToString();
}
}
PacketData.source = a.ToString();
PacketData.destination = d.ToString();
PacketData.srcPort = (((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString());
PacketData.destPort = (((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString());
if (PacketData.protocol == "TCP")
{
PacketData.seqNumber = (((uint)IPAddress.NetworkToHostOrder(read.ReadInt32())).ToString());
PacketData.ackNumber = (((uint)IPAddress.NetworkToHostOrder(read.ReadInt32())).ToString());
//ushort offflag = (ushort)IPAddress.NetworkToHostOrder(read.ReadInt16());
byte offtcp = read.ReadByte();
PacketData.tcpOffData = (offtcp >> 4).ToString();
byte flagtcp = read.ReadByte();
PacketData.ns = ((offtcp & (1 << 7)) != 0).ToString();
PacketData.cwr = ((flagtcp & (1 << 0)) != 0).ToString();
PacketData.ece = ((flagtcp & (1 << 1)) != 0).ToString();
PacketData.urg = ((flagtcp & (1 << 2)) != 0).ToString();
PacketData.ack = ((flagtcp & (1 << 3)) != 0).ToString();
PacketData.psh = ((flagtcp & (1 << 4)) != 0).ToString();
PacketData.rst = ((flagtcp & (1 << 5)) != 0).ToString();
PacketData.syn = ((flagtcp & (1 << 6)) != 0).ToString();
PacketData.fin = ((flagtcp & (1 << 7)) != 0).ToString();
PacketData.WindowSize = ((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString();
int checksumTcp = IPAddress.NetworkToHostOrder(read.ReadInt16());
string checksumTcpString = BitConverter.ToString(BitConverter.GetBytes(checksumTcp));
checksumTcpString = checksumTcpString.Replace("-", "");
PacketData.TcpChecksum = checksumTcpString;
if (PacketData.urg == "true")
PacketData.urg = ((uint)IPAddress.NetworkToHostOrder(read.ReadInt32())).ToString();
read.ReadBytes(2);
}
else if (PacketData.protocol == "UDP")
{
PacketData.udpLength = ((ushort)IPAddress.NetworkToHostOrder(read.ReadInt16())).ToString();
int checksumUdp = IPAddress.NetworkToHostOrder(read.ReadInt16());
string checksumUdps = BitConverter.ToString(BitConverter.GetBytes(checksumUdp));
checksumUdps = checksumUdps.Replace("-", "");
PacketData.udpChecksum = checksumUdps;
}
byte[] datas = new byte[10024];
if (PacketData.protocol == "UDP")
{
datas = read.ReadBytes(length - 28);
datas.Reverse();
}
else if (PacketData.protocol == "TCP")
{
datas = read.ReadBytes(length - 40);
datas.Reverse();
}
PacketData.data = Encoding.ASCII.GetString(datas);
bc.ReportProgress(0, PacketData);
Thread.Sleep(60);
}
catch
{
MessageBox.Show("Error \r\nTry another interface");
bc.CancelAsync();
But.Invoke((MethodInvoker)(() => But.Text ="Start"));
return;
}
}
