public void HandleSpecificModule_IsValidStructWIthArguments_ReturnsParsedValue()
{
// Arrange
string userInput = "None, 80";
string stringNumber = "80";
string enumOption = "None";
string[] arrayOfUserValues = { enumOption, stringNumber };
ushort number = 80;
IpV4FragmentationOptions ipV4FragmentationOptions = IpV4FragmentationOptions.MoreFragments;
Type typeOfEnum = typeof(IpV4Fragmentation);
IpV4Fragmentation ipV4Fragmentation = new IpV4Fragmentation(ipV4FragmentationOptions, number);
object[] parameters = new object[2] {
ipV4FragmentationOptions, number
};
_moduleStructHandlerMock.Setup(x => x.CheckIfStructMustHaveArgumentsAndReturnObject(typeOfEnum, userInput))
.Returns(ipV4Fragmentation);
// Act
var result = _target.HandleSpecificModule(typeOfEnum, userInput);
// Assert
result.Should().BeOfType <IpV4Fragmentation>();
result.GetType().GetProperty("Offset").GetValue(result).Should().Be(80);
result.GetType().GetProperty("Options").GetValue(result).Should().Be(IpV4FragmentationOptions.MoreFragments);
}
public void CheckIfStructMustHaveArgumentsAndReturnObject_IsValidStructWithManyArguments_ReturnsObject()
{
// Arrange
ushort offset = 80;
IpV4FragmentationOptions options = IpV4FragmentationOptions.MoreFragments;
IpV4Fragmentation ipV4Fragmentation = new IpV4Fragmentation(options, offset);
string input = $"{options}, {offset}";
object[] array = new object[2] {
options, offset
};
_genericInstanceCreator.Setup(x => x.TryCreateNewInstance <IpV4Fragmentation?>(array))
.Returns(ipV4Fragmentation);
_moduleStructArgumentsHandler.Setup(x => x.InputToParametersForIpV4Fragmentation(input))
.Returns(array);
// Act
var result = _target.CheckIfStructMustHaveArgumentsAndReturnObject(typeof(IpV4Fragmentation), input);
// Assert
result.Should().BeOfType <IpV4Fragmentation>();
var pp = result.GetType().GetProperty("Offset").GetValue(result).Should().Be(offset);
result.GetType().GetProperty("Options").GetValue(result).Should().Be(options);
}
public void IpV4FragmentationOptionsErrorTest()
{
IpV4Fragmentation fragmentation = new IpV4Fragmentation((IpV4FragmentationOptions)12345, 8);
Assert.IsNotNull(fragmentation);
Assert.Fail();
}
public void IpV4FragmentationOffsetErrorTest()
{
IpV4Fragmentation fragmentation = new IpV4Fragmentation(IpV4FragmentationOptions.None, 2);
Assert.IsNotNull(fragmentation);
Assert.Fail();
}
public void IpV4FragmentationOptionsErrorTest()
{
IpV4Fragmentation fragmentation = new IpV4Fragmentation((IpV4FragmentationOptions)12345, 8);
Assert.IsNotNull(fragmentation);
Assert.Fail();
}
public void IpV4FragmentationOffsetErrorTest()
{
IpV4Fragmentation fragmentation = new IpV4Fragmentation(IpV4FragmentationOptions.None, 2);
Assert.IsNotNull(fragmentation);
Assert.Fail();
}
internal static void WriteHeader(byte[] buffer, int offset,
byte typeOfService, ushort identification,
IpV4Fragmentation fragmentation,
byte ttl, IpV4Protocol protocol, ushort? headerChecksum,
IpV4Address source, IpV4Address destination,
IpV4Options options, int payloadLength)
{
int headerLength = HeaderMinimumLength + options.BytesLength;
buffer[offset + Offset.VersionAndHeaderLength] = (byte)((DefaultVersion << 4) + headerLength / 4);
buffer[offset + Offset.TypeOfService] = typeOfService;
buffer.Write(offset + Offset.TotalLength, (ushort)(headerLength + payloadLength), Endianity.Big);
buffer.Write(offset + Offset.Identification, identification, Endianity.Big);
fragmentation.Write(buffer, offset + Offset.Fragmentation);
buffer[offset + Offset.Ttl] = ttl;
buffer[offset + Offset.Protocol] = (byte)protocol;
buffer.Write(offset + Offset.Source, source, Endianity.Big);
buffer.Write(offset + Offset.Destination, destination, Endianity.Big);
options.Write(buffer, offset + Offset.Options);
ushort headerChecksumValue =
headerChecksum == null
? Sum16BitsToChecksum(Sum16Bits(buffer, offset, headerLength))
: headerChecksum.Value;
buffer.Write(offset + Offset.HeaderChecksum, headerChecksumValue, Endianity.Big);
}
private void listView1_SelectedIndexChanged(object sender, EventArgs e)
{
if (listView1.SelectedItems.Count > 0)
{
int indice = listView1.Items.IndexOf(listView1.SelectedItems[0]);
Packet paquete = paquetes[indice];
EthernetDatagram eth = paquete.Ethernet;
IpV4Datagram ip = paquete.Ethernet.IpV4;
TcpDatagram tcp = ip.Tcp;
UdpDatagram udp = ip.Udp;
long checksum = Convert.ToInt64(ip.HeaderChecksum);
string df = "", mf = "";
IpV4Fragmentation flags = ip.Fragmentation;
if (flags.Options.ToString().Equals("MoreFragments"))
{
df = "True";
mf = "True";
}
if (flags.Options.ToString().Equals("None"))
{
df = "True";
mf = "False";
}
if (flags.Options.ToString().Equals("DoNotFragment"))
{
df = "False";
mf = "False";
}
treeView1.Nodes.Clear();
TreeNode node1 = new TreeNode("ETHERNET");
node1.ForeColor = Color.Blue;
node1.Nodes.Add("MAC de Origen: " + eth.Source.ToString().ToUpper());
node1.Nodes.Add("MAC de Destino: " + eth.Destination.ToString().ToUpper());
node1.Nodes.Add("Tipo de servicio: " + eth.EtherType.ToString().ToUpper());
TreeNode node2 = new TreeNode("IP");
node2.ForeColor = Color.Green;
node2.Nodes.Add("Version: " + ip.Version.ToString());
node2.Nodes.Add("Longitud de la cabecera: " + ip.HeaderLength.ToString() + " Bytes");
node2.Nodes.Add("Tipo de servicio: " + ip.TypeOfService.ToString());
node2.Nodes.Add("Longitud del paquete: " + ip.Length.ToString() + " Bytes");
node2.Nodes.Add("Identificacion: " + Convert.ToString(Convert.ToInt64(ip.Identification), 16));
node2.Nodes.Add("Fragmentado: " + df);
node2.Nodes.Add("Mas fragmentos: " + mf);
node2.Nodes.Add("Desplazamiento del fragmento: " + flags.Offset.ToString());
node2.Nodes.Add("Tiempo de vida: " + ip.Ttl.ToString() + " Segundos");
node2.Nodes.Add("Protocolo: " + ip.Protocol.ToString());
node2.Nodes.Add("Checksum 0x" + Convert.ToString(Convert.ToInt64(checksum), 16) + " [ " + ip.IsHeaderChecksumCorrect.ToString() + " ] ");
node2.Nodes.Add("Ip origen: " + ip.Source.ToString());
node2.Nodes.Add("Ip destino: " + ip.Destination.ToString());
node1.Nodes.Add(node2);
if (ip.Protocol.ToString().Equals("Tcp"))
{
long checksumtcp = Convert.ToInt64(tcp.Checksum);
int flag;
TreeNode node3 = new TreeNode("TCP");
node3.ForeColor = Color.Red;
node3.Nodes.Add("Puerto de Origen: " + tcp.SourcePort.ToString());
node3.Nodes.Add("Puerto de Destino: " + tcp.DestinationPort.ToString());
node3.Nodes.Add("Numero de secuencia: " + tcp.SequenceNumber.ToString());
node3.Nodes.Add("Siguiente numero de secuencia: " + tcp.NextSequenceNumber.ToString());
node3.Nodes.Add("Numero de confirmacion: " + tcp.AcknowledgmentNumber.ToString());
node3.Nodes.Add("Longitud de la cabecera: " + tcp.HeaderLength.ToString() + " Bytes");
node3.Nodes.Add("0000 00.. .... : Reservado");
flag = tcp.IsUrgent ? 1 : 0;
node3.Nodes.Add(".... .." + flag.ToString() + ". .... : URG =" + tcp.IsUrgent.ToString());
flag = tcp.IsAcknowledgment ? 1 : 0;
node3.Nodes.Add(".... ..." + flag.ToString() + " .... : ACK =" + tcp.IsAcknowledgment.ToString());
flag = tcp.IsPush ? 1 : 0;
node3.Nodes.Add(".... .... " + flag.ToString() + "... : PSH =" + tcp.IsPush.ToString());
flag = tcp.IsReset ? 1 : 0;
node3.Nodes.Add(".... .... ." + flag.ToString() + ".. : RST =" + tcp.IsReset.ToString());
flag = tcp.IsSynchronize ? 1 : 0;
node3.Nodes.Add(".... .... .." + flag.ToString() + ". : SYN =" + tcp.IsSynchronize.ToString());
flag = tcp.IsFin ? 1 : 0;
node3.Nodes.Add(".... .... ..." + flag.ToString() + " : FIN =" + tcp.IsFin.ToString());
node3.Nodes.Add("Tamaño de ventana: " + tcp.Window.ToString() + " Bytes");
node3.Nodes.Add("Checksum 0x" + Convert.ToString(Convert.ToInt64(checksumtcp), 16));
node3.Nodes.Add("Puntero urgente: " + tcp.UrgentPointer.ToString());
node2.Nodes.Add(node3);
}
if ((ip.Protocol.ToString().Equals("Udp")))
{
long checksumudp = Convert.ToInt64(udp.Checksum);
TreeNode node3 = new TreeNode("UDP");
node3.ForeColor = Color.Red;
node3.Nodes.Add("Puerto de Origen: " + udp.SourcePort.ToString());
node3.Nodes.Add("Puerto de Destino: " + udp.DestinationPort.ToString());
node3.Nodes.Add("Longitud de la cabecera: " + udp.TotalLength.ToString() + " Bytes");
node3.Nodes.Add("Checksum 0x" + Convert.ToString(Convert.ToInt64(checksumudp), 16));
node2.Nodes.Add(node3);
}
treeView1.Nodes.Add(node1);
treeView1.ExpandAll();
}
}
