/// <summary>
/// Received reply.
/// </summary>
/// <summary>
/// Create new instance of the <see cref="ICMPPacket"/> class.
/// </summary>
/// <param name="packetData">Packet data.</param>
/// <exception cref="ArgumentException">Thrown if packetData is invalid.</exception>
internal static void ICMPHandler(byte[] packetData)
{
Global.mDebugger.Send("ICMP Handler called");
var icmp_packet = new ICMPPacket(packetData);
switch (icmp_packet.ICMPType)
{
case 0:
var receiver = ICMPClient.GetClient(icmp_packet.SourceIP.Hash);
if (receiver != null)
{
receiver.ReceiveData(icmp_packet);
}
Global.mDebugger.Send("Received ICMP Echo reply from " + icmp_packet.SourceIP.ToString());
break;
case 8:
var request = new ICMPEchoRequest(packetData);
var reply = new ICMPEchoReply(request);
Global.mDebugger.Send("Sending ICMP Echo reply to " + reply.DestinationIP.ToString());
OutgoingBuffer.AddPacket(reply);
NetworkStack.Update();
break;
}
}
/// <summary>
/// Send ICMP Echo
/// </summary>
public void SendEcho()
{
Address source = IPConfig.FindNetwork(destination);
ICMPEchoRequest request = new ICMPEchoRequest(source, destination, 0x0001, 0x50); //this is working
OutgoingBuffer.AddPacket(request); //Aura doesn't work when this is called.
NetworkStack.Update();
}
/// <summary>
/// Create new instance of the <see cref="ICMPEchoReply"/> class.
/// </summary>
/// <param name="request">ICMP echo request.</param>
/// <exception cref="ArgumentException">Thrown if RawData is invalid or null.</exception>
internal ICMPEchoReply(ICMPEchoRequest request)
: base(request.DestinationIP, request.SourceIP, 0, 0, request.ICMPID, request.ICMPSequence, (ushort)(request.ICMPDataLength))
{
for (int b = 0; b < ICMPDataLength; b++)
{
RawData[DataOffset + 8 + b] = request.RawData[DataOffset + 8 + b];
}
RawData[DataOffset + 2] = 0x00;
RawData[DataOffset + 3] = 0x00;
icmpCRC = CalcICMPCRC((ushort)(ICMPDataLength + 8));
RawData[DataOffset + 2] = (byte)((icmpCRC >> 8) & 0xFF);
RawData[DataOffset + 3] = (byte)((icmpCRC >> 0) & 0xFF);
}
internal ICMPEchoReply(ICMPEchoRequest request)
: base(request.DestinationIP, request.SourceIP, 0, 0,
request.ICMP_ID, request.ICMP_Sequence, (UInt16)(request.ICMP_DataLength + 8))
{
for (int b = 0; b < this.ICMP_DataLength; b++)
{
mRawData[this.dataOffset + 8 + b] = request.RawData[this.dataOffset + 8 + b];
}
mRawData[this.dataOffset + 2] = 0x00;
mRawData[this.dataOffset + 3] = 0x00;
icmpCRC = CalcICMPCRC((UInt16)(this.ICMP_DataLength + 8));
mRawData[this.dataOffset + 2] = (byte)((icmpCRC >> 8) & 0xFF);
mRawData[this.dataOffset + 3] = (byte)((icmpCRC >> 0) & 0xFF);
}
internal static void ICMPHandler(byte[] packetData)
{
ICMPPacket icmp_packet = new ICMPPacket(packetData);
switch (icmp_packet.ICMP_Type)
{
case 0:
ICMPEchoReply recvd_reply = new ICMPEchoReply(packetData);
Sys.Console.WriteLine("Received ICMP Echo reply from " + recvd_reply.SourceIP.ToString());
break;
case 8:
ICMPEchoRequest request = new ICMPEchoRequest(packetData);
Sys.Console.WriteLine("Received " + request.ToString());
ICMPEchoReply reply = new ICMPEchoReply(request);
Sys.Console.WriteLine("Sending ICMP Echo reply to " + reply.DestinationIP.ToString());
OutgoingBuffer.AddPacket(reply);
break;
}
}
internal static void ICMPHandler(byte[] packetData)
{
ICMPPacket icmp_packet = new ICMPPacket(packetData);
switch (icmp_packet.ICMP_Type)
{
case 0:
ICMPEchoReply recvd_reply = new ICMPEchoReply(packetData);
Sys.Console.WriteLine("Received ICMP Echo reply from " + recvd_reply.SourceIP.ToString());
break;
case 8:
ICMPEchoRequest request = new ICMPEchoRequest(packetData);
Sys.Console.WriteLine("Received " + request.ToString());
ICMPEchoReply reply = new ICMPEchoReply(request);
Sys.Console.WriteLine("Sending ICMP Echo reply to " + reply.DestinationIP.ToString());
OutgoingBuffer.AddPacket(reply);
break;
}
}
internal static void ICMPHandler(byte[] packetData)
{
NetworkStack.debugger.Send("ICMP Handler called");
ICMPPacket icmp_packet = new ICMPPacket(packetData);
switch (icmp_packet.ICMP_Type)
{
case 0:
recvd_reply = new ICMPEchoReply(packetData);
NetworkStack.debugger.Send("Received ICMP Echo reply from " + recvd_reply.SourceIP.ToString());
break;
case 8:
ICMPEchoRequest request = new ICMPEchoRequest(packetData);
NetworkStack.debugger.Send("Received " + request.ToString());
ICMPEchoReply reply = new ICMPEchoReply(request);
NetworkStack.debugger.Send("Sending ICMP Echo reply to " + reply.DestinationIP.ToString());
OutgoingBuffer.AddPacket(reply);
NetworkStack.Update();
break;
}
}
internal ICMPEchoReply(ICMPEchoRequest request)
: base(request.DestinationIP, request.SourceIP, 0, 0,
request.ICMP_ID, request.ICMP_Sequence, (UInt16)(request.ICMP_DataLength + 8))
{
for (int b = 0; b < this.ICMP_DataLength; b++)
{
mRawData[this.dataOffset + 8 + b] = request.RawData[this.dataOffset + 8 + b];
}
mRawData[this.dataOffset + 2] = 0x00;
mRawData[this.dataOffset + 3] = 0x00;
icmpCRC = CalcICMPCRC((UInt16)(this.ICMP_DataLength + 8));
mRawData[this.dataOffset + 2] = (byte)((icmpCRC >> 8) & 0xFF);
mRawData[this.dataOffset + 3] = (byte)((icmpCRC >> 0) & 0xFF);
}
