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\include\wxp\wdm.inc
include c:\masm32\Macros\Strings.mac
includelib c:\masm32\lib\wxp\i386\ntoskrnl.lib
public DriverEntry
IOCTL_TEST equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_BUFFERED, FILE_ANY_ACCESS)
.const
SHOW_MSG byte "IOCTL_TEST",0
.code
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 pMyDevice : PDEVICE_OBJECT, pIrp : PIRP
IoGetCurrentIrpStackLocation pIrp
mov eax, (IO_STACK_LOCATION PTR [eax]).Parameters.DeviceIoControl.IoControlCode
.if eax == IOCTL_TEST
invoke DbgPrint, offset SHOW_MSG
.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, 0, 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
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\shell32.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\shell32.lib
includelib c:\masm32\lib\kernel32.lib
IOCTL_TEST equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_BUFFERED, FILE_ANY_ACCESS)
IOCTL_GET_BUF equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_BUFFERED, FILE_ANY_ACCESS)
IOCTL_SET_BUF equ CTL_CODE(FILE_DEVICE_UNKNOWN, 801h, METHOD_BUFFERED, FILE_ANY_ACCESS)
IOCTL_GET_DIR equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
IOCTL_SET_DIR equ CTL_CODE(FILE_DEVICE_UNKNOWN, 801h, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
IOCTL_GET_NEI equ CTL_CODE(FILE_DEVICE_UNKNOWN, 800h, METHOD_NEITHER, FILE_ANY_ACCESS)
IOCTL_SET_NEI equ CTL_CODE(FILE_DEVICE_UNKNOWN, 801h, METHOD_NEITHER, FILE_ANY_ACCESS)
.const
DEV_NAME db "\\.\MyDriver",0
MSG_SEND db "I am error",0
MSG_WR db "SET: %s, %d",10,13,0
MSG_RD db "GET: %s, %d",10,13,0
.data
dwCode0 dd IOCTL_TEST
dwCode1 dd IOCTL_TEST
.data?
hFile dd ?
dwRet dd ?
szBuffer db 255 dup(?)
.code
start:
invoke GetCommandLineW
invoke CommandLineToArgvW, eax, offset dwRet
.if dwRet > 1
invoke WideCharToMultiByte, CP_ACP, 0, dword ptr [eax + 4], -1, offset szBuffer, 255, 0, 0
invoke lstrcmp, $CTA0("BUF"), offset szBuffer
.if eax == 0
mov dwCode0, IOCTL_SET_BUF
mov dwCode1, IOCTL_GET_BUF
.endif
invoke lstrcmp, $CTA0("DIR"), offset szBuffer
.if eax == 0
mov dwCode0, IOCTL_SET_DIR
mov dwCode1, IOCTL_GET_DIR
.endif
invoke lstrcmp, $CTA0("NEI"), offset szBuffer
.if eax == 0
mov dwCode0, IOCTL_SET_NEI
mov dwCode1, IOCTL_GET_NEI
.endif
.endif
invoke CreateFile, offset DEV_NAME, GENERIC_READ or GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0
mov hFile, eax
.if dwCode0 == IOCTL_TEST
invoke DeviceIoControl, hFile, IOCTL_TEST, NULL, 0, NULL, 0, offset dwRet, NULL
.else
invoke StrLen, offset MSG_SEND
mov dwRet, eax
invoke crt_printf, offset MSG_WR, offset MSG_SEND, dwRet
invoke DeviceIoControl, hFile, dwCode0, offset MSG_SEND, dwRet, NULL, 0, offset dwRet, NULL
and dwRet, 0
invoke crt_memset, offset szBuffer, 0, 255
invoke DeviceIoControl, hFile, dwCode1, NULL, 0, offset szBuffer, 255, offset dwRet, NULL
invoke crt_printf, offset MSG_RD, offset szBuffer, dwRet
.endif
invoke CloseHandle, hFile
invoke ExitProcess, 0
end start
end
完成