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;
;  DateTime.asm
;
;  Service Control Program for giveio.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\Macros\Strings.mac

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;                           U S E R   D E F I N E D   M A C R O S                                   
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.data 

	
	
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;                                         C O D E                                                   
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.code

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;                                        DateTime                                                   
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DllEntry proc hInstDLL:DWORD, reason:DWORD, unused:DWORD

        mov eax,TRUE
        ret

DllEntry Endp



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Start proc ProcessId:DWORD,port:DWORD

local fOK:BOOL
local hSCManager:HANDLE
local hService:HANDLE
local acDriverPath[MAX_PATH]:CHAR

local hKey:HANDLE
local dwProcessId:DWORD
local dwPort:DWORD

	and fOK, 0		; assume an error

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

		push eax
		invoke GetFullPathName, $CTA0("giveio.sys"), sizeof acDriverPath, addr acDriverPath, esp
    	pop eax

		; Register driver in SCM active database
		invoke CreateService, hSCManager, $CTA0("giveio"), $CTA0("Current Date and Time fetcher."), \
				SERVICE_START + DELETE, SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START, \
				SERVICE_ERROR_IGNORE, addr acDriverPath, NULL, NULL, NULL, NULL, NULL
		.if eax != NULL
			mov hService, eax

			invoke RegOpenKeyEx, HKEY_LOCAL_MACHINE, \
									$CTA0("SYSTEM\\CurrentControlSet\\Services\\giveio"), \
									0, KEY_CREATE_SUB_KEY + KEY_SET_VALUE, addr hKey

			.if eax == ERROR_SUCCESS
				MOV EAX,ProcessId
				mov dwProcessId, eax
				invoke RegSetValueEx, hKey, $CTA0("ProcessId", szProcessId), NULL, REG_DWORD, \
										addr dwProcessId, sizeof DWORD
				mov eax,port
				mov dwPort,eax
				invoke RegSetValueEx, hKey, $CTA0("IOUSE", szIoUse), NULL, REG_DWORD, \
										addr dwPort, sizeof DWORD						
				.if eax == ERROR_SUCCESS				
					invoke StartService, hService, 0, NULL
					inc fOK				; set flag
					invoke RegDeleteValue, hKey, addr szProcessId
					invoke RegDeleteValue, hKey, addr szIoUse
				.else
					invoke MessageBox, NULL, $CTA0("Can't add Process ID into registry."), \
										NULL, MB_ICONSTOP
				.endif
				
				invoke RegCloseKey, hKey

			.else
				invoke MessageBox, NULL, $CTA0("Can't open registry."), NULL, MB_ICONSTOP
			.endif

			; Remove driver from SCM database
			invoke DeleteService, hService
			invoke CloseServiceHandle, hService
		.else
			invoke MessageBox, NULL, $CTA0("Can't register driver."), NULL, MB_ICONSTOP
		.endif
		invoke CloseServiceHandle, hSCManager
	.else
		invoke MessageBox, NULL, $CTA0("Can't connect to Service Control Manager."), \
							NULL, MB_ICONSTOP
	.endif

	.if fOK
		; Display current date and time to user
		mov eax,TRUE
	.ELSE
	 	MOV EAX,FALSE
	.endif

        ret

Start endp

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;                                                                                                   
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end DllEntry