public void Process(DHCPRequest dhcpRequest)
{
var requestType = dhcpRequest.GetMsgType();
Trace.WriteLine(requestType + " Proxy Request From " +
Utility.ByteArrayToString(dhcpRequest.GetChaddr(), true) + " " +
dhcpRequest.GetSourceIP() + ":" + dhcpRequest.GetSourcePort());
var clientHardwareAddress = new PhysicalAddress(dhcpRequest.GetChaddr());
if (DHCPServer.AclList.ContainsKey(clientHardwareAddress) && !DHCPServer.AclList[clientHardwareAddress] ||
!DHCPServer.AclList.ContainsKey(clientHardwareAddress) && !Settings.AllowAll)
{
Trace.WriteLine("Request Denied By ACL - Ignoring");
return;
}
var vendorId = dhcpRequest.GetVendorOptionData();
if (vendorId != null)
{
var strVendorId = Utility.ByteArrayToString(vendorId, true);
Trace.WriteLine("Vendor Class Id " + strVendorId + " " + Encoding.Default.GetString(vendorId));
if (requestType == DHCPMsgType.DHCPREQUEST && strVendorId.StartsWith("505845436C69656E74"))
{
//Expected Format: 505845436C69656E743A417263683A30303030303A554E44493A303032303031 (PXEClient:Arch:00000:UNDI:002001)
ProcessProxyRequest(dhcpRequest);
}
else
{
Trace.WriteLine("Request Is Not A Proxy PXE Request - Ignoring");
}
}
else
{
Trace.WriteLine("No Proxy Vendor Class Id Supplied - Ignoring");
}
Trace.WriteLine("");
}
public void Process(DHCPRequest dhcpRequest)
{
var requestType = dhcpRequest.GetMsgType();
if (requestType != DHCPMsgType.DHCPDISCOVER && requestType != DHCPMsgType.DHCPINFORM)
{
return;
}
var clientHardwareAddress = new PhysicalAddress(dhcpRequest.GetChaddr());
if (DHCPServer.AclList.ContainsKey(clientHardwareAddress) && !DHCPServer.AclList[clientHardwareAddress] ||
!DHCPServer.AclList.ContainsKey(clientHardwareAddress) && !Settings.AllowAll)
{
Trace.WriteLine("Request Denied By ACL - Ignoring");
return;
}
var vendorId = dhcpRequest.GetVendorOptionData();
if (vendorId != null)
{
Trace.WriteLine(requestType + " Request From " +
Utility.ByteArrayToString(dhcpRequest.GetChaddr(), true));
var strVendorId = Utility.ByteArrayToString(vendorId, true);
//Expected Format: 505845436C69656E743A417263683A30303030303A554E44493A303032303031 (PXEClient:Arch:00000:UNDI:002001)
if (strVendorId.StartsWith("505845436C69656E74"))
{
ProcessPXERequest(dhcpRequest);
}
if (!Settings.ListenBSDP)
{
return;
}
Trace.WriteLine("Vendor Class Id " + strVendorId);
//Expected Format: 4141504C42534450432F693338362F694D616331342C33 (AAPLBSDPC/i386/iMac14,3)
if (strVendorId.StartsWith("4141504C4253445043"))
{
var vendorSpecificInformation = dhcpRequest.GetVendorSpecificInformation();
if (vendorSpecificInformation != null)
{
var strVendorInformation = Utility.ByteArrayToString(vendorSpecificInformation, true);
if (strVendorInformation.Length >= 6)
{
switch (strVendorInformation.Substring(0, 6))
{
case "010101":
SendAppleBootList(dhcpRequest);
break;
case "010102":
var interfaceHex =
Utility.ByteArrayToString(
string.IsNullOrEmpty(Settings.ServerIdentifierOverride)
? IPAddress.Parse(Settings.Nic).GetAddressBytes()
: IPAddress.Parse(Settings.ServerIdentifierOverride)
.GetAddressBytes(),
true);
if (strVendorInformation.Contains(interfaceHex))
{
SendSelectedNetBoot(dhcpRequest);
}
else
{
Trace.WriteLine("Different BSDP Server Targeted - Ignoring");
}
break;
default:
Trace.WriteLine(
"Not An Apple BSDP Request, Vendor Specific Information Mismatch - Ignoring");
break;
}
}
}
}
}
Trace.WriteLine("");
}