司徒的教學網站

Kernel Mode Driver Framework >> Pascal (PNP)

Hello, world!

參考資訊：
1. Source Code

main.pas

unit main;

interface
  uses
    DDDK;
    
  const
    DEV_NAME = '\Device\MyDriver';

  function __DriverEntry(pOurDriver:PDRIVER_OBJECT; pOurRegistry:PUNICODE_STRING):NTSTATUS; stdcall;

implementation

function AddDevice(pOurDriver:WDFDRIVER; pDeviceInit:PWDFDEVICE_INIT):NTSTATUS; stdcall;
var
  device: WDFDEVICE;
  suDevName: UNICODE_STRING;
  
begin
  DbgPrint('Hello, world!', []);
  RtlInitUnicodeString(@suDevName, DEV_NAME);
  WdfDeviceInitAssignName(pDeviceInit, @suDevName);
  WdfDeviceCreate(@pDeviceInit, WDF_NO_OBJECT_ATTRIBUTES, @device);
  Result:= STATUS_SUCCESS;
end;

function __DriverEntry(pOurDriver:PDRIVER_OBJECT; pOurRegistry:PUNICODE_STRING):NTSTATUS; stdcall;
var
  config: WDF_DRIVER_CONFIG;
  
begin
  WDF_DRIVER_CONFIG_INIT(@config, AddDevice);
  WdfDriverCreate(pOurDriver, pOurRegistry, WDF_NO_OBJECT_ATTRIBUTES, @config, WDF_NO_HANDLE);
  Result:= STATUS_SUCCESS;
end;
end.

DriverEntry()產生WDF Driver Object並且註冊AddDevice Callback
AddDevice()產生WDF Device Object並且輸出Debug字串，另外，得助於編譯器的幫助，DEV_NAME會被展開成WCHAR型態，而非CHAR型態。

loader.asm

.386p
.model flat, stdcall
option casemap:none

include c:\masm32\Macros\Strings.mac
include c:\masm32\include\w2k\ntdef.inc
include c:\masm32\include\w2k\ntstatus.inc
include c:\masm32\include\w2k\ntddk.inc
include c:\masm32\include\w2k\ntoskrnl.inc
include c:\masm32\include\w2k\ntddkbd.inc
include c:\masm32\include\wdf\umdf\1.9\wudfddi_types.inc
include c:\masm32\include\wdf\kmdf\1.9\wdf.inc
include c:\masm32\include\wdf\kmdf\1.9\wdftypes.inc
include c:\masm32\include\wdf\kmdf\1.9\wdfglobals.inc
include c:\masm32\include\wdf\kmdf\1.9\wdffuncenum.inc
include c:\masm32\include\wdf\kmdf\1.9\wdfobject.inc
include c:\masm32\include\wdf\kmdf\1.9\wdfdevice.inc
include c:\masm32\include\wdf\kmdf\1.9\wdfdriver.inc

includelib c:\masm32\lib\wxp\i386\BufferOverflowK.lib 
includelib c:\masm32\lib\wdf\kmdf\i386\1.9\wdfldr.lib
includelib c:\masm32\lib\wdf\kmdf\i386\1.9\wdfdriverentry.lib

public DriverEntry
extern _DriverEntry:proc

DriverEntry proc pOurDriver:PDRIVER_OBJECT, pOurRegistry:PUNICODE_STRING
  push pOurRegistry
  push pOurDriver
  call _DriverEntry
  ret
DriverEntry endp
end DriverEntry
.end

由於dcc32.exe缺少Buffer Security Check編譯選項，因此，司徒使用MASM32寫了一個Loader，當作中間媒介。

main.inf

[Version]
Signature=$CHICAGO$
Class=Unknown
Provider=%MFGNAME%
DriverVer=8/21/2019,1.0.0.0
 
[Manufacturer]
%MFGNAME%=DeviceList
 
[DeviceList]
%DESCRIPTION%=DriverInstall, *MyDriver
 
[DestinationDirs]
DefaultDestDir=10,System32\Drivers
 
[SourceDisksFiles]
main.sys=1,,,
 
[SourceDisksNames]
1=%INSTDISK%,,,
 
[DriverInstall.NT]
CopyFiles=DriverCopyFiles
 
[DriverCopyFiles]
main.sys,,,2
 
[DriverInstall.NT.Services]
AddService=FILEIO,2,DriverService
 
[DriverService]
ServiceType=1
StartType=3
ErrorControl=1
ServiceBinary=%10%\system32\drivers\main.sys
 
[DriverInstall.NT.HW]
AddReg=DriverHwAddReg
 
[DriverHwAddReg]
HKR,,SampleInfo,,""
 
[DriverInstall]
AddReg=DriverAddReg
CopyFiles=DriverCopyFiles
 
[DriverAddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,main.sys
 
[DriverInstall.HW]
AddReg=DriverHwAddReg
 
[Strings]
MFGNAME="MyDriver"
INSTDISK="MyDriver Disc"
DESCRIPTION="MyDriver"

INF內容也是很制式的，我們先知道如何使用就可以，司徒之後會教導大家如何寫INF檔案

編譯程式：

del /s /q main.sys
c:\masm32\bin\ml /c /coff /Cp "loader.asm"
c:\dddk\bin\dcc32.exe -Uc:\dddk\inc -B -CG -JP -$A-,C-,D-,G-,H-,I-,L-,P-,V-,W+,Y- main.pas
c:\dddk\bin\omf2d.exe main.obj
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEWdfFunctions=_WdfFunctions 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEWdfDriverGlobals=_WdfDriverGlobals 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEZwClose=_ZwClose@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEDbgPrint=_DbgPrint 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEExFreePool=_ExFreePool@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeSetTimer=_KeSetTimer@16 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoStopTimer=_IoStopTimer@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoCallDriver=_IoCallDriver@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoStartTimer=_IoStartTimer@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeSetTimerEx=_KeSetTimerEx@20 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEProbeForRead=_ProbeForRead@12 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CERtlZeroMemory=_RtlZeroMemory@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeCancelTimer=_KeCancelTimer@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoStartPacket=_IoStartPacket@16 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEZwOpenProcess=_ZwOpenProcess@16 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoDetachDevice=_IoDetachDevice@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoDeleteDevice=_IoDeleteDevice@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEExAllocatePool=_ExAllocatePool@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeReleaseMutex=_KeReleaseMutex@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoCsqInsertIrp=_IoCsqInsertIrp@12 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoCreateDevice=_IoCreateDevice@28 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeInitializeDpc=_KeInitializeDpc@12 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoCsqInitialize=_IoCsqInitialize@28 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoStartNextPacket=_IoStartNextPacket@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoCompleteRequest=_IoCompleteRequest@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeInitializeMutex=_KeInitializeMutex@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeInitializeTimer=_KeInitializeTimer@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeReleaseSpinLock=_KeReleaseSpinLock@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoInitializeTimer=_IoInitializeTimer@12 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEObDereferenceObject=_ObDereferenceObject@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoGetCurrentProcess=_IoGetCurrentProcess@0 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEInterlockedExchange=@InterlockedExchange@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeInitializeSpinLock=_KeInitializeSpinLock@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoCreateSymbolicLink=_IoCreateSymbolicLink@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoDeleteSymbolicLink=_IoDeleteSymbolicLink@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CERtlInitUnicodeString=_RtlInitUnicodeString@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEPsCreateSystemThread=_PsCreateSystemThread@28 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeWaitForSingleObject=_KeWaitForSingleObject@20 2>nul 
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEExAllocatePoolWithTag=_ExAllocatePoolWithTag@12 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeDelayExecutionThread=_KeDelayExecutionThread@12 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEKeServiceDescriptorTable=_KeServiceDescriptorTable 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEExAllocatePoolWithQuota=_ExAllocatePoolWithQuota@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEPsTerminateSystemThread=_PsTerminateSystemThread@4 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEObReferenceObjectByHandle=_ObReferenceObjectByHandle@24 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEIoAttachDeviceToDeviceStack=_IoAttachDeviceToDeviceStack@8 2>nul
c:\dddk\bin\omf2d.exe c:\dddk\inc\dddk.obj /U- /CEMmMapLockedPagesSpecifyCache=_MmMapLockedPagesSpecifyCache@24 2>nul
c:\dddk\bin\link.exe /entry:FxDriverEntry@8  /NOLOGO /ALIGN:64 /BASE:0x10000 /SUBSYSTEM:NATIVE /DRIVER /FORCE:UNRESOLVED /FORCE:MULTIPLE c:\dddk\inc\DDDK.obj c:\dddk\lib\ntoskrnl.lib c:\dddk\lib\wdf\kmdf\i386\1.9\wdfdriverentry.lib c:\dddk\lib\wdf\kmdf\i386\1.9\wdfldr.lib main.obj loader.obj /out:main.sys
del /s /q main.dcu
del /s /q main.obj
del /s /q loader.obj

安裝程式：
在開始安裝驅動程式之前，我們需要先下載除錯工具，讓驅動程式的Debug訊息可以顯示在除錯工具上面，目前在Kernel Mode以及User Mode上，最佳的Debug輸出訊息工具是DbgView，該公司目前已經被Microsoft併購，所以可以從Microsoft網站下載，下載完後執行DbgView並將Capture > Capture Kernel和Enable Verbose Kernel Output選項打勾，接著重啟DbgView

對於驅動程式的安裝工具，司徒目前先使用NuMega公司製作的安裝工具EzDriverInstaller，請將main.sys和main.inf放在同一個目錄並執行EzDriverInstaller，選擇File > Open...(開啟main.inf檔案)，接著按Add New Device就可以在DbgView上面看到輸出訊息

Device Manager

Device

司徒接著說明一下為了需要這個Loader？因為在Link階段，FxDriverEntryWorker()無法找到對應的DriverEntry()，即使司徒已經確定Export成_DriverEntry@8，而另一個問題則是Security Cookie Check，這部份尚不知如何從dcc32.exe設定，因此，司徒只好提供一個Loader，讓這個Loader可以跟FxDriverEntryWork()連結，順便解掉Cookie問題

wdfdriverentry.lib(stub.obj) : error LNK2019: unresolved external symbol _DriverEntry@8 referenced in function _FxDriverEntryWorker@8
wdfdriverentry.lib(stub.obj) : error LNK2019: unresolved external symbol ___security_init_cookie referenced in function _FxDriverEntry@8

當然，如果強制安裝使用，必定產生BSOD，原因如下：

原本要指到security_init_cookie()的地方，變成指到PE Header，雖然司徒嘗試手動Patch修復，但是，安裝後還是有點問題，於是，司徒最後只好使用一個簡單的Loader替代。

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