public void HandleOptions(IDhcpServerPacket Packet, DhcpServerPacketOptions ServerOptions, ref bool StopPropagation)
{
try
{
var sb = new StringBuilder();
sb.AppendLine("HANDLE OPTIONS:");
sb.AppendLine($" Transaction Id: {Packet.TransactionId}");
sb.AppendLine($" Server Options:");
sb.AppendLine($" Message Type: {ServerOptions.MessageType}");
sb.AppendLine($" Subnet Mask: {ServerOptions.SubnetMask}");
sb.AppendLine($" Requested Address: {ServerOptions.RequestedAddress}");
sb.AppendLine($" Requested Lease Time: {ServerOptions.RequestedLeaseTime}");
sb.AppendLine($" Router Address: {ServerOptions.RouterAddress}");
sb.AppendLine($" Server: {ServerOptions.Server}");
sb.AppendLine($" Parameter Request List: {string.Join(", ", ServerOptions.ParameterRequestList)}");
sb.AppendLine($" Machine Name: {ServerOptions.MachineName}");
sb.AppendLine($" Client Hardware Address Type: {ServerOptions.ClientHardwareAddressType}");
sb.AppendLine($" Client Hardware Address: {ServerOptions.ClientHardwareAddress}");
sb.AppendLine($" Class Identifier: {ServerOptions.ClassIdentifier}");
sb.Append($" Vendor Class: ");
foreach (var b in ServerOptions.VendorClass)
{
sb.Append(b.ToString("X2"));
}
sb.AppendLine();
sb.AppendLine($" Dns Name: {ServerOptions.DnsName}");
sb.AppendLine($" Ds Domain Name Requested: {ServerOptions.DsDomainNameRequested}");
sb.AppendLine($" Ds Domain Name: {ServerOptions.DsDomainName}");
sb.AppendLine($" Scope Id: {ServerOptions.ScopeId}");
sb.AppendLine("---------------------");
WriteLog(sb.ToString());
}
catch (Exception ex)
{
WriteLog($"HANDLE OPTIONS ERROR: {ex.Message} [{ex.GetType().Name}]");
WriteLog(ex.StackTrace);
throw;
}
}
private static uint HandleHandleOptionsHook(IntPtr Packet, uint PacketSize, IntPtr Reserved, IntPtr PktContext, IntPtr ServerOptions)
{
var stopPropagation = false;
var packet = new DhcpServerPacket(Packet, (int)PacketSize);
var serverOptions = new DhcpServerPacketOptions(ServerOptions);
foreach (var consumer in Consumers)
{
if (consumer.SupportFlags.HasFlag(CalloutConsumerSupportFlags.HandleOptions))
{
try
{
consumer.Proxy.HandleOptions(packet, serverOptions, ref stopPropagation);
}
catch (Win32Exception ex)
{
return((uint)ex.NativeErrorCode);
}
catch (Exception)
{
return(0x1U); //ERROR_INVALID_FUNCTION
}
// stop propagation if instructed
if (stopPropagation)
{
return(ERROR_SUCCESS);
}
}
}
// chain
if (!stopPropagation && ChainTable.DhcpHandleOptionsHook != null)
{
return(ChainTable.DhcpHandleOptionsHook(Packet, PacketSize, Reserved, PktContext, ServerOptions));
}
return(ERROR_SUCCESS);
}
public void HandleOptions(IDhcpServerPacket Packet, DhcpServerPacketOptions ServerOptions, ref bool StopPropagation)
{
handleOptionsHandler.HandleOptions(Packet, ServerOptions, ref StopPropagation);
}
