masm32-kernel-programming/KmdKit18/examples/simple/Skeleton/skeleton.asm at main · therealdreg/masm32-kernel-programming · GitHub

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;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
;
;  skeleton.asm
;
;  Service Control Program for skeleton.sys driver
;
;  Written by Four-F (four-f@mail.ru)
;
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.386
.model flat, stdcall
option casemap:none

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;                                  I N C L U D E   F I L E S
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include \masm32\include\windows.inc

include \masm32\include\kernel32.inc
include \masm32\include\user32.inc
include \masm32\include\advapi32.inc

includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\user32.lib
includelib \masm32\lib\advapi32.lib

include \masm32\include\winioctl.inc

include \masm32\Macros\Strings.mac

include common.inc

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.const

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.data

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.data?

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.code

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;                                       start
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start proc uses esi edi

local hSCManager:HANDLE
local hService:HANDLE
local acModulePath[MAX_PATH]:CHAR
local _ss:SERVICE_STATUS
local hDevice:HANDLE

local abyOutBuffer[4]:BYTE
local dwBytesReturned:DWORD

local acVersion[16]:CHAR

	; Open a handle to the SC Manager database
	invoke OpenSCManager, NULL, NULL, SC_MANAGER_ALL_ACCESS
	.if eax != NULL
		mov hSCManager, eax

		;invoke GetCurrentDirectory, sizeof g_acBuffer, addr g_acBuffer
		push eax
		invoke GetFullPathName, $CTA0("skeleton.sys"), sizeof acModulePath, addr acModulePath, esp
    	pop eax

		; Install service
		invoke CreateService, hSCManager, $CTA0("skeleton"), $CTA0("Skeleton Driver"), \
			SERVICE_START + SERVICE_STOP + DELETE, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, \
			SERVICE_ERROR_IGNORE, addr acModulePath, NULL, NULL, NULL, NULL, NULL

		.if eax != NULL
			mov hService, eax

			; Driver's DriverEntry procedure will be called
			invoke StartService, hService, 0, NULL
			.if eax != 0

				; Driver will receive I/O request packet (IRP) of type IRP_MJ_CREATE
				invoke CreateFile, $CTA0("\\\\.\\skeleton"), GENERIC_READ + GENERIC_WRITE, \
								0, NULL, OPEN_EXISTING, 0, NULL

				.if eax != INVALID_HANDLE_VALUE
					mov hDevice, eax

;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

					; Driver will receive IRP of type IRP_MJ_DEVICE_CONTROL
					invoke DeviceIoControl, hDevice, IOCTL_GET_VERSION, NULL, 0, \
										addr abyOutBuffer, sizeof abyOutBuffer, addr dwBytesReturned, NULL

					.if ( eax != 0 ) && ( dwBytesReturned != 0 )

						lea eax, abyOutBuffer
						assume eax:ptr DRIVER_VERSION
						movzx ecx, [eax].MajorVersion
						movzx eax, [eax].MinorVersion
						assume eax:nothing
						invoke wsprintf, addr acVersion, $CTA0("%u.%02u"), ecx, eax

						invoke MessageBox, NULL, addr acVersion, $CTA0("Driver Version"), MB_OK + MB_ICONINFORMATION
					.else
						invoke MessageBox, NULL, $CTA0("Can't send control code to device."), NULL, MB_OK + MB_ICONSTOP
					.endif

;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

					; Driver will receive IRP of type IRP_MJ_CLOSE
					invoke CloseHandle, hDevice
				.else
					invoke MessageBox, NULL, $CTA0("Device is not present."), NULL, MB_ICONSTOP
				.endif
				; DriverUnload proc in our driver will be called
				invoke ControlService, hService, SERVICE_CONTROL_STOP, addr _ss
			.else
				invoke MessageBox, NULL, $CTA0("Can't start driver."), NULL, MB_OK + MB_ICONSTOP
			.endif
			invoke DeleteService, hService
			invoke CloseServiceHandle, hService
		.else
			invoke MessageBox, NULL, $CTA0("Can't register driver."), NULL, MB_OK + MB_ICONSTOP
		.endif
		invoke CloseServiceHandle, hSCManager
	.else
		invoke MessageBox, NULL, $CTA0("Can't connect to Service Control Manager."), NULL, MB_OK + MB_ICONSTOP
	.endif

	invoke ExitProcess, 0

start endp

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end start