參考資訊：
https://wasm.in/
http://four-f.narod.ru/
https://github.com/steward-fu/ddk
main.asm
.386p
.model flat, stdcall
option casemap:none
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\Macros\Strings.mac
includelib c:\masm32\lib\wxp\i386\ntoskrnl.lib
public DriverEntry
MyDeviceExtension struct
dpc KDPC <>
timer KTIMER <>
queue LIST_ENTRY <>
pNextDev PDEVICE_OBJECT ?
MyDeviceExtension ends
IOCTL_QUEUE equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_BUFFERED, FILE_ANY_ACCESS)
IOCTL_PROCESS equ CTL_CODE(FILE_DEVICE_UNKNOWN, 801h, METHOD_BUFFERED, FILE_ANY_ACCESS)
.const
MSG_QUEUE byte "IOCTL_QUEUE",0
MSG_PROCESS byte "IOCTL_PROCESS",0
.code
OnTimer proc uses esi edi ebx pDpc : PKDPC, pContext : PVOID, pArg1 : PVOID, PArg2 : PVOID
mov eax, pContext
mov esi, (DEVICE_OBJECT ptr [eax]).DeviceExtension
lea edi, (MyDeviceExtension ptr [esi]).queue
IsListEmpty edi
.if eax == TRUE
invoke KeCancelTimer, addr (MyDeviceExtension ptr [esi]).timer
invoke DbgPrint, $CTA0("Finish")
.else
RemoveHeadList edi
; CONTAINING_RECORD
sub eax, _IRP.Tail.Overlay.ListEntry
mov bl, (_IRP ptr [eax]).Cancel
.if bl != TRUE
mov (_IRP ptr [eax]).IoStatus.Status, STATUS_SUCCESS
push 0
pop (_IRP ptr [eax]).IoStatus.Information
fastcall IofCompleteRequest, eax, IO_NO_INCREMENT
mov eax, STATUS_SUCCESS
invoke DbgPrint, $CTA0("Complete Irp")
.else
mov (_IRP ptr [eax]).CancelRoutine, NULL
mov (_IRP ptr [eax]).IoStatus.Status, STATUS_CANCELLED
push 0
pop (_IRP ptr [eax]).IoStatus.Information
fastcall IofCompleteRequest, eax, IO_NO_INCREMENT
invoke DbgPrint, $CTA0("Cancel Irp")
.endif
.endif
ret
OnTimer endp
IrpOpenClose proc pMyDevice : PDEVICE_OBJECT, pIrp : PIRP
IoGetCurrentIrpStackLocation pIrp
movzx eax, (IO_STACK_LOCATION ptr [eax]).MajorFunction
.if eax == IRP_MJ_CREATE
invoke DbgPrint, $CTA0("IRP_MJ_CREATE")
.elseif eax == IRP_MJ_CLOSE
invoke DbgPrint, $CTA0("IRP_MJ_CLOSE")
.endif
mov eax, pIrp
and (_IRP ptr [eax]).IoStatus.Information, 0
mov (_IRP ptr [eax]).IoStatus.Status, STATUS_SUCCESS
fastcall IofCompleteRequest, pIrp, IO_NO_INCREMENT
mov eax, STATUS_SUCCESS
ret
IrpOpenClose endp
IrpIOCTL proc uses esi edi ebx pMyDevice : PDEVICE_OBJECT, pIrp : PIRP
local period : LARGE_INTEGER
mov eax, pMyDevice
mov esi, (DEVICE_OBJECT ptr [eax]).DeviceExtension
lea edi, (MyDeviceExtension ptr [esi]).queue
IoGetCurrentIrpStackLocation pIrp
mov eax, (IO_STACK_LOCATION ptr [eax]).Parameters.DeviceIoControl.IoControlCode
.if eax == IOCTL_QUEUE
invoke DbgPrint, offset MSG_QUEUE
mov ebx, pIrp
lea ebx, (_IRP ptr [ebx]).Tail.Overlay.ListEntry
InsertHeadList edi, ebx
IoMarkIrpPending pIrp
mov eax, STATUS_PENDING
ret
.elseif eax == IOCTL_PROCESS
invoke DbgPrint, offset MSG_PROCESS
or period.HighPart, -1
mov period.LowPart, -10000000
invoke KeSetTimerEx, addr (MyDeviceExtension ptr [esi]).timer, period.LowPart, period.HighPart, 1000, addr (MyDeviceExtension ptr [esi]).dpc
.endif
mov eax, pIrp
mov (_IRP ptr [eax]).IoStatus.Status, STATUS_SUCCESS
and (_IRP ptr [eax]).IoStatus.Information, 0
fastcall IofCompleteRequest, pIrp, IO_NO_INCREMENT
mov eax, STATUS_SUCCESS
ret
IrpIOCTL endp
Unload proc pMyDriver : PDRIVER_OBJECT
local szSymName : UNICODE_STRING
invoke RtlInitUnicodeString, addr szSymName, $CTW0("\\DosDevices\\MyDriver")
invoke IoDeleteSymbolicLink, addr szSymName
mov eax, pMyDriver
invoke IoDeleteDevice, (DRIVER_OBJECT ptr [eax]).DeviceObject
ret
Unload endp
DriverEntry proc pMyDriver : PDRIVER_OBJECT, pMyRegistry : PUNICODE_STRING
local pMyDevice : PDEVICE_OBJECT
local szDevName : UNICODE_STRING
local szSymName : UNICODE_STRING
mov eax, pMyDriver
mov (DRIVER_OBJECT ptr [eax]).MajorFunction[IRP_MJ_CREATE * (sizeof PVOID)], offset IrpOpenClose
mov (DRIVER_OBJECT ptr [eax]).MajorFunction[IRP_MJ_CLOSE * (sizeof PVOID)], offset IrpOpenClose
mov (DRIVER_OBJECT ptr [eax]).MajorFunction[IRP_MJ_DEVICE_CONTROL * (sizeof PVOID)], offset IrpIOCTL
mov (DRIVER_OBJECT ptr [eax]).DriverUnload, offset Unload
invoke RtlInitUnicodeString, addr szDevName, $CTW0("\\Device\\MyDriver")
invoke RtlInitUnicodeString, addr szSymName, $CTW0("\\DosDevices\\MyDriver")
invoke IoCreateDevice, pMyDriver, sizeof MyDeviceExtension, addr szDevName, FILE_DEVICE_UNKNOWN, 0, FALSE, addr pMyDevice
.if eax == STATUS_SUCCESS
mov eax, pMyDevice
or (DEVICE_OBJECT ptr [eax]).Flags, DO_BUFFERED_IO
and (DEVICE_OBJECT ptr [eax]).Flags, not DO_DEVICE_INITIALIZING
mov eax, pMyDevice
mov eax, (DEVICE_OBJECT ptr [eax]).DeviceExtension
lea eax, (MyDeviceExtension ptr [eax]).queue
InitializeListHead eax
mov eax, pMyDevice
mov eax, (DEVICE_OBJECT ptr [eax]).DeviceExtension
invoke KeInitializeTimer, addr (MyDeviceExtension ptr [eax]).timer
mov eax, pMyDevice
mov eax, (DEVICE_OBJECT ptr [eax]).DeviceExtension
invoke KeInitializeDpc, addr (MyDeviceExtension ptr [eax]).dpc, offset OnTimer, pMyDevice
invoke IoCreateSymbolicLink, addr szSymName, addr szDevName
.endif
ret
DriverEntry endp
end DriverEntry
.end
app.asm
.386p
.model flat, stdcall
option casemap:none
include c:\masm32\include\windows.inc
include c:\masm32\include\masm32.inc
include c:\masm32\include\user32.inc
include c:\masm32\include\msvcrt.inc
include c:\masm32\include\kernel32.inc
include c:\masm32\include\w2k\ntddkbd.inc
include c:\masm32\Macros\Strings.mac
includelib c:\masm32\lib\user32.lib
includelib c:\masm32\lib\masm32.lib
includelib c:\masm32\lib\msvcrt.lib
includelib c:\masm32\lib\kernel32.lib
IOCTL_QUEUE equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_BUFFERED, FILE_ANY_ACCESS)
IOCTL_PROCESS equ CTL_CODE(FILE_DEVICE_UNKNOWN, 801h, METHOD_BUFFERED, FILE_ANY_ACCESS)
.data?
cnt dd ?
hFile dd ?
dwRet dd ?
event dd 3 dup(?)
ov OVERLAPPED <?>
.code
start:
invoke CreateFile, $CTA0("\\\\.\\MyDriver"), GENERIC_READ or GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_FLAG_OVERLAPPED or FILE_ATTRIBUTE_NORMAL, 0
mov hFile, eax
mov cnt, 3
invoke crt_memset, offset ov, 0, sizeof OVERLAPPED
.while cnt > 0
invoke CreateEvent, NULL, TRUE, FALSE, NULL
mov ov.hEvent, eax
mov ecx, cnt
mov edi, offset event
mov [edi + ecx * 4], eax
invoke DeviceIoControl, hFile, IOCTL_QUEUE, NULL, 0, NULL, 0, offset dwRet, offset ov
invoke crt_printf, $CTA0("Queued Event\n")
sub cnt, 1
.endw
invoke crt_printf, $CTA0("Processing All Events\n")
invoke DeviceIoControl, hFile, IOCTL_PROCESS, NULL, 0, NULL, 0, offset dwRet, NULL
mov cnt, 3
.while cnt > 0
mov ecx, cnt
mov edi, offset event
mov eax, [edi + ecx * 4]
mov ov.hEvent, eax
invoke WaitForSingleObject, ov.hEvent, INFINITE
invoke CloseHandle, ov.hEvent
invoke crt_printf, $CTA0("Complete\n")
sub cnt, 1
.endw
invoke CloseHandle, hFile
invoke ExitProcess, 0
end start
end
完成