public PortID(NetworkAddress networkAddress)
{
int length = 3;
byte[] bytes = new byte[length];
int offset = 0;
base.tlvData = new ByteArraySegment(bytes, offset, length);
base.Type = TLVTypes.PortID;
this.SubType = PortSubTypes.NetworkAddress;
this.SubTypeValue = networkAddress;
}
public ManagementAddress(NetworkAddress managementAddress, InterfaceNumbering interfaceSubType, uint ifNumber, string oid)
{
int length = 9;
byte[] bytes = new byte[length];
int offset = 0;
base.tlvData = new ByteArraySegment(bytes, offset, length);
this.AddressLength = 0;
this.ObjIdLength = 0;
base.Type = TLVTypes.ManagementAddress;
this.MgmtAddress = managementAddress;
this.InterfaceSubType = interfaceSubType;
this.InterfaceNumber = ifNumber;
this.ObjectIdentifier = oid;
}
/// <summary>
/// Creates a Management Address TLV and sets it value
/// </summary>
/// <param name="managementAddress">
/// The Management Address
/// </param>
/// <param name="interfaceSubType">
/// The Interface Numbering Sub Type
/// </param>
/// <param name="ifNumber">
/// The Interface Number
/// </param>
/// <param name="oid">
/// The Object Identifier
/// </param>
public ManagementAddress(NetworkAddress managementAddress, InterfaceNumbering interfaceSubType, uint ifNumber, string oid)
{
log.Debug("");
// NOTE: We presume that the mgmt address length and the
// object identifier length are zero
var length = TLVTypeLength.TypeLengthLength + MgmtAddressLengthLength + InterfaceNumberSubTypeLength + InterfaceNumberLength + ObjectIdentifierLengthLength;
var bytes = new byte[length];
var offset = 0;
this.tlvData = new ByteArraySegment(bytes, offset, length);
// The lengths are both zero until the values are set
this.AddressLength = 0;
this.ObjIdLength = 0;
this.Type = TLVTypes.ManagementAddress;
this.MgmtAddress = managementAddress;
this.InterfaceSubType = interfaceSubType;
this.InterfaceNumber = ifNumber;
this.ObjectIdentifier = oid;
}
public void ConstructFromValues()
{
var expectedChassisIDType = ChassisSubTypes.NetworkAddress;
var expectedChassisIDNetworkAddress = new NetworkAddress(new IPAddress(new byte[4] { 0x0A, 0x00, 0x01, 0x01 }));
var expectedPortIDBytes = new byte[15] { 0x30, 0x30, 0x31, 0x42, 0x35, 0x34, 0x39, 0x34, 0x35, 0x41, 0x38, 0x42, 0x3a, 0x50, 0x32 };
ushort expectedTimeToLive = 120;
string expectedPortDescription = "Port Description";
string expectedSystemName = "SystemName";
string expectedSystemDescription = "System Description";
ushort expectedSystemCapabilitiesCapability = 18;
ushort expectedSystemCapabilitiesEnabled = 16;
var managementAddressNetworkAddress = new NetworkAddress(new IPAddress(new byte[4] { 0x0A, 0x00, 0x01, 0x01 }));
var managementAddressObjectIdentifier = "Object Identifier";
uint managementAddressInterfaceNumber = 0x44060124;
var expectedOrganizationUniqueIdentifier = new byte[3] { 0x24, 0x10, 0x12 };
var expectedOrganizationSubType = 2;
var expectedOrganizationSpecificBytes = new byte[4] { 0xBA, 0xAD, 0xF0, 0x0D };
var valuesLLDPPacket = new LLDPPacket();
Console.WriteLine("valuesLLDPPacket.ToString() {0}", valuesLLDPPacket.ToString());
valuesLLDPPacket.TlvCollection.Add(new ChassisID(expectedChassisIDType, expectedChassisIDNetworkAddress));
Console.WriteLine("valuesLLDPPacket.ToString() {0}", valuesLLDPPacket.ToString());
//valuesLLDPPacket.TlvCollection.Add(new PortID(lldpPacket, PortSubTypes.MACAddress, new PhysicalAddress(new byte[6] { 0x00, 0x1C, 0x23, 0xAF, 0x08, 0xF3 })));
valuesLLDPPacket.TlvCollection.Add(new PortID(PortSubTypes.LocallyAssigned, expectedPortIDBytes));
valuesLLDPPacket.TlvCollection.Add(new TimeToLive(expectedTimeToLive));
valuesLLDPPacket.TlvCollection.Add(new PortDescription(expectedPortDescription));
valuesLLDPPacket.TlvCollection.Add(new SystemName(expectedSystemName));
valuesLLDPPacket.TlvCollection.Add(new SystemDescription(expectedSystemDescription));
valuesLLDPPacket.TlvCollection.Add(new SystemCapabilities(expectedSystemCapabilitiesCapability, expectedSystemCapabilitiesEnabled));
valuesLLDPPacket.TlvCollection.Add(new ManagementAddress(managementAddressNetworkAddress,
InterfaceNumbering.SystemPortNumber,
managementAddressInterfaceNumber,
managementAddressObjectIdentifier));
valuesLLDPPacket.TlvCollection.Add(new OrganizationSpecific(expectedOrganizationUniqueIdentifier,
expectedOrganizationSubType,
expectedOrganizationSpecificBytes));
valuesLLDPPacket.TlvCollection.Add(new EndOfLLDPDU());
var lldpBytes = valuesLLDPPacket.Bytes;
Console.WriteLine("valuesLLDPPacket.ToString() {0}", valuesLLDPPacket.ToString());
// reparse these bytes back into a lldp packet
var lldpPacket = new LLDPPacket(new ByteArraySegment(lldpBytes));
Console.WriteLine("lldpPacket.ToString() {0}", lldpPacket.ToString());
int expectedTlvCount = 10;
Assert.AreEqual(expectedTlvCount, lldpPacket.TlvCollection.Count);
int count = 1;
foreach (TLV tlv in lldpPacket.TlvCollection)
{
Console.WriteLine("Type: " + tlv.GetType().ToString());
switch(count)
{
case 1:
Assert.AreEqual(typeof(ChassisID), tlv.GetType());
var chassisID = (ChassisID)tlv;
Assert.AreEqual(ChassisSubTypes.NetworkAddress, chassisID.SubType);
Assert.AreEqual(typeof(NetworkAddress), chassisID.SubTypeValue.GetType());
Console.WriteLine(expectedChassisIDNetworkAddress.ToString());
Console.WriteLine(chassisID.SubTypeValue.ToString());
Assert.AreEqual(expectedChassisIDNetworkAddress, chassisID.SubTypeValue);
break;
case 2:
Assert.AreEqual(typeof(PortID), tlv.GetType());
var portID = (PortID)tlv;
Assert.AreEqual(PortSubTypes.LocallyAssigned, portID.SubType);
Assert.AreEqual(expectedPortIDBytes, portID.SubTypeValue);
//Assert.AreEqual(PortSubTypes.MACAddress, portID.SubType);
//var macAddress = new PhysicalAddress(new byte[6] { 0x00, 0x1C, 0x23, 0xAF, 0x08, 0xF3 });
//Assert.AreEqual(macAddress, portID.SubTypeValue);
break;
case 3:
Assert.AreEqual(typeof(TimeToLive), tlv.GetType());
Assert.AreEqual(expectedTimeToLive, ((TimeToLive)tlv).Seconds);
break;
case 4:
Assert.AreEqual(typeof(PortDescription), tlv.GetType());
Assert.AreEqual(expectedPortDescription, ((PortDescription)tlv).Description);
break;
case 5:
Assert.AreEqual(typeof(SystemName), tlv.GetType());
Assert.AreEqual(expectedSystemName, ((SystemName)tlv).Name);
break;
case 6:
Assert.AreEqual(typeof(SystemDescription), tlv.GetType());
Assert.AreEqual(expectedSystemDescription, ((SystemDescription)tlv).Description);
break;
case 7:
Assert.AreEqual(typeof(SystemCapabilities), tlv.GetType());
var capabilities = (SystemCapabilities)tlv;
Assert.IsTrue(capabilities.IsCapable(CapabilityOptions.Repeater));
Assert.IsTrue(capabilities.IsEnabled(CapabilityOptions.Router));
Assert.IsFalse(capabilities.IsCapable(CapabilityOptions.Bridge));
Assert.IsFalse(capabilities.IsCapable(CapabilityOptions.DocsisCableDevice));
Assert.IsFalse(capabilities.IsCapable(CapabilityOptions.Other));
Assert.IsFalse(capabilities.IsCapable(CapabilityOptions.StationOnly));
Assert.IsFalse(capabilities.IsCapable(CapabilityOptions.Telephone));
Assert.IsFalse(capabilities.IsCapable(CapabilityOptions.WLanAP));
break;
case 8:
Assert.AreEqual(typeof(ManagementAddress), tlv.GetType());
var mgmtAdd = (ManagementAddress)tlv;
Assert.AreEqual(AddressFamily.IPv4, mgmtAdd.AddressSubType);
Assert.AreEqual(managementAddressNetworkAddress, mgmtAdd.MgmtAddress);
Assert.AreEqual(InterfaceNumbering.SystemPortNumber, mgmtAdd.InterfaceSubType);
Assert.AreEqual(managementAddressInterfaceNumber, mgmtAdd.InterfaceNumber);
int expectedObjIdLength = managementAddressObjectIdentifier.Length;
Assert.AreEqual(expectedObjIdLength, mgmtAdd.ObjIdLength);
Assert.AreEqual(managementAddressObjectIdentifier, mgmtAdd.ObjectIdentifier);
break;
case 9:
Assert.AreEqual(typeof(OrganizationSpecific), tlv.GetType());
var orgSpecifig = (OrganizationSpecific)tlv;
Assert.AreEqual(expectedOrganizationUniqueIdentifier, orgSpecifig.OrganizationUniqueID);
Assert.AreEqual(expectedOrganizationSubType, orgSpecifig.OrganizationDefinedSubType);
Assert.AreEqual(expectedOrganizationSpecificBytes, orgSpecifig.OrganizationDefinedInfoString);
break;
case 10:
Assert.AreEqual(typeof(EndOfLLDPDU), tlv.GetType());
break;
default:
throw new ArgumentException();
}
// increment the counter
count++;
}
}
public void LLDPParsing()
{
Console.WriteLine("Loading the sample capture file");
var dev = new CaptureFileReaderDevice("../../CaptureFiles/lldp.pcap");
dev.Open();
Console.WriteLine("Reading packet data");
var rawCapture = dev.GetNextPacket();
var p = Packet.ParsePacket(rawCapture.LinkLayerType, rawCapture.Data);
Console.WriteLine("Parsing");
var l = LLDPPacket.GetEncapsulated(p);
int count = 1;
Console.WriteLine(l.TlvCollection.Count.ToString());
foreach (TLV tlv in l.TlvCollection)
{
Console.WriteLine("Type: " + tlv.GetType().ToString());
switch(count)
{
case 1:
Assert.AreEqual(typeof(ChassisID), tlv.GetType());
var chassisID = (ChassisID)tlv;
Assert.AreEqual(chassisID.SubType, ChassisSubTypes.NetworkAddress);
Assert.AreEqual(typeof(NetworkAddress), chassisID.SubTypeValue.GetType());
var testAddress = new NetworkAddress(new IPAddress(new byte[4] { 0xac, 0x10, 0x0a, 0x6d }));
Assert.AreEqual(testAddress, chassisID.SubTypeValue);
break;
case 2:
Assert.AreEqual(typeof(PortID), tlv.GetType());
var portID = (PortID)tlv;
Assert.AreEqual(PortSubTypes.LocallyAssigned, portID.SubType);
byte[] subTypeValue = new byte[15] { 0x30, 0x30, 0x31, 0x42, 0x35, 0x34, 0x39, 0x34, 0x35, 0x41, 0x38, 0x42, 0x3a, 0x50, 0x32 };
Assert.AreEqual(subTypeValue, portID.SubTypeValue);
break;
case 3:
Assert.AreEqual(typeof(TimeToLive), tlv.GetType());
Assert.AreEqual(180, ((TimeToLive)tlv).Seconds);
break;
case 4:
Assert.AreEqual(typeof(PortDescription), tlv.GetType());
Assert.AreEqual("PC Port", ((PortDescription)tlv).Description);
break;
case 5:
Assert.AreEqual(typeof(SystemName), tlv.GetType());
Assert.AreEqual("SEP001B54945A8B.elmec.ad", ((SystemName)tlv).Name);
break;
case 6:
Assert.AreEqual(typeof(SystemDescription), tlv.GetType());
Assert.AreEqual("Cisco IP Phone CP-7911G,V2, SCCP11.8-4-3S", ((SystemDescription)tlv).Description);
break;
case 7:
Assert.AreEqual(typeof(SystemCapabilities), tlv.GetType());
var systemCapabilities = (SystemCapabilities)tlv;
Assert.AreEqual(36, systemCapabilities.Capabilities);
Assert.AreEqual(36, systemCapabilities.Enabled);
Assert.IsTrue(systemCapabilities.IsCapable(CapabilityOptions.Bridge));
Assert.IsTrue(systemCapabilities.IsEnabled(CapabilityOptions.Telephone));
Assert.IsFalse(systemCapabilities.IsCapable(CapabilityOptions.Repeater));
Assert.IsFalse(systemCapabilities.IsEnabled(CapabilityOptions.WLanAP));
break;
case 8:
Assert.AreEqual(typeof(ManagementAddress), tlv.GetType());
var managementAddress = (ManagementAddress)tlv;
Assert.AreEqual(5, managementAddress.AddressLength);
Assert.AreEqual(1, (int)managementAddress.AddressSubType);
var mgmtAddress = new NetworkAddress(new IPAddress(new byte[4] { 0xac, 0x10, 0x0a, 0x6d }));
Assert.AreEqual(mgmtAddress, managementAddress.MgmtAddress);
Assert.AreEqual(1, (int)managementAddress.InterfaceSubType);
Assert.AreEqual(0, managementAddress.InterfaceNumber);
Assert.AreEqual(0, managementAddress.ObjIdLength);
break;
case 9:
Assert.AreEqual(typeof(OrganizationSpecific), tlv.GetType());
var organizationSpecific = (OrganizationSpecific)tlv;
Assert.AreEqual(new byte[3] { 0x00, 0x12, 0x0f }, organizationSpecific.OrganizationUniqueID);
Assert.AreEqual(1, organizationSpecific.OrganizationDefinedSubType);
byte[] infoString = new byte[5] { 0x03, 0x00, 0x36, 0x00, 0x10 };
Assert.AreEqual(infoString, organizationSpecific.OrganizationDefinedInfoString);
break;
case 10:
Assert.AreEqual(typeof(EndOfLLDPDU), tlv.GetType());
break;
default:
throw new ArgumentException();
}
// increment the counter
count++;
}
}