My PC-Lock

Bru · August 3, 2008

Well, i am trying to make a pc lock, nothing special, just something as it's my first day back with au3.

Say i want to lock my pc, this adds to startup.

Then everytime you get this asking for a password.

I have two problems, one.

#include <GUIConstants.au3>

Global $pass = IniRead(@DesktopDir & "\pass.ini", "Password", "pass", "")

$Form1 = GUICreate("PC-Lock", 292, 209, 521, 216, BitOR($WS_SYSMENU,$WS_CAPTION,$WS_POPUP,$WS_POPUPWINDOW,$WS_BORDER,$WS_CLIPSIBLINGS))
GUISetIcon("D:\Programming\02.07.08 CODING\thermidaicon.ico")
$Label1 = GUICtrlCreateLabel("Please enter the correrct password before entering the PC", 8, 8, 277, 17)
$Label2 = GUICtrlCreateLabel("Password: ", 8, 48, 56, 17)
$Input1 = GUICtrlCreateInput("", 64, 48, 217, 21)
$Button1 = GUICtrlCreateButton("Run", 200, 72, 73, 25, 0)
$Button3 = GUICtrlCreateButton("OK", 200, 176, 73, 25, 0)
$Label3 = GUICtrlCreateLabel("Original: ", 8, 120, 45, 17)
$Label4 = GUICtrlCreateLabel("New: ", 8, 152, 32, 17)
$Input2 = GUICtrlCreateInput("", 64, 120, 217, 21)
$Input3 = GUICtrlCreateInput("", 64, 152, 217, 21)

GUISetState(@SW_SHOW)

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        
        Case $GUI_EVENT_CLOSE
            Exit
            
        Case $Button1
            $entered  = GUICtrlRead($Input1)
            
            If $pass == $entered Then
                MsgBox(0, "Correct", "Correct")
            Else    
                MsgBox(0, "Fail", "Fail")
            EndIf
            
        Case $Button3
            $old = GUICtrlRead($Input2)
            $new = GUICtrlRead($Input3)
            
            If $old == $pass Then
                IniWrite(@DesktopDir & "\pass.ini", "Password", "pass", $new)
                MsgBox(0, "Done!", "Now please re-open PC-Lock")
                Exit
            Else
                Msgbox(0, "Fail", "The original password does not match.")
            EndIf
            

    EndSwitch
WEnd

I get an error, The error is.

>"C:\Program Files\AutoIt3\SciTE\..\autoit3.exe" /ErrorStdOut "D:\Programming\PCLock\main.au3"
D:\Programming\PCLock\main.au3 (5) : ==> Variable used without being declared.:
$Form1 = GUICreate("PC-Lock", 292, 209, 521, 216, BitAND($WS_SYSMENU,$WS_CAPTION,$WS_POPUP,$WS_POPUPWINDOW,$WS_BORDER,$WS_CLIPSIBLINGS))
$Form1 = GUICreate("PC-Lock", 292, 209, 521, 216, BitAND(^ ERROR

Now for that, i am trying to get rid of the minimize button.

Now my other problem is, when this opens on startup, people could just ignore it!

So... How would i set focus on this? So it CANNOT be ignored or got around unless you enter the password!

Thank you for your time and help!

Bru

Szhlopp · August 3, 2008

Use an _ infront of the BitOr. It continues the line...

BitOr _

(#######)

As far as keeping focus on the window, you could do something like this in your while loop:

While 1

    If WinActive("My Window") <> 1 then 
        WinActivate("My Window")
        WinFlash ("My Window", "" , 3 )
    Endif

Wend

Thankfully, AutoIt will never be a completely secure "anti-use of computer" program. Anybody can still use Alt-F4 or use the process browser to kill the app.

I hope that helps you,

Szhlopp

martin · August 3, 2008

Well, i am trying to make a pc lock, nothing special, just something as it's my first day back with au3.

This will be a bit harder to get round.

#include <GUIConstants.au3>
#include <windowsconstants.au3>
#include <editconstants.au3>
Global $pass = IniRead(@DesktopDir & "\pass.ini", "Password", "pass", "autoit")
ConsoleWrite($pass & @CRLF)
Global $restore = False, $passed = False
$Form1 = GUICreate("PC-Lock", 292, 209, 521, 216, BitOR($WS_SYSMENU, $WS_CAPTION, $WS_POPUP, $WS_POPUPWINDOW, $WS_BORDER, $WS_CLIPSIBLINGS))
GUISetIcon("D:\Programming\02.07.08 CODING\thermidaicon.ico")
$Label1 = GUICtrlCreateLabel("Please enter the correct password before entering the PC", 8, 8, 277, 17)
$Label2 = GUICtrlCreateLabel("Password: ", 8, 48, 56, 17)
$Input1 = GUICtrlCreateInput("", 64, 48, 217, 21)
$Button1 = GUICtrlCreateButton("Run", 200, 72, 73, 25, 0)
$Button3 = GUICtrlCreateButton("OK", 200, 176, 73, 25, 0)
$Label3 = GUICtrlCreateLabel("Original: ", 8, 120, 45, 17)
$Label4 = GUICtrlCreateLabel("New: ", 8, 152, 32, 17)
$Input2 = GUICtrlCreateInput("", 64, 120, 217, 21)
$Input3 = GUICtrlCreateInput("", 64, 152, 217, 21)

GUISetState(@SW_SHOW)
GUIRegisterMsg($WM_COMMAND, "WM_COMMAND")

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg

        Case $GUI_EVENT_CLOSE
            If $passed Then Exit

        Case $Button1
            $entered = GUICtrlRead($Input1)

            If $pass == $entered Then
                MsgBox(0, "Correct", "Correct")
                $passed = True
            Else
                MsgBox(0, "Fail", "Fail")
            EndIf

        Case $Button3
            If $passed Then
                $old = GUICtrlRead($Input2)
                $new = GUICtrlRead($Input3)

                If $old == $pass Then
                    IniWrite(@DesktopDir & "\pass.ini", "Password", "pass", $new)
                    MsgBox(0, "Done!", "Now please re-open PC-Lock")
                    Exit
                Else
                    MsgBox(0, "Fail", "The original password does not match.")
                EndIf
            EndIf

    EndSwitch
    If $restore Then
        $restore = False
        WinActivate($Form1)
        WinSetOnTop($Form1, "", 1)
    EndIf
    If WinExists("Windows Task Manager") Then WinClose("Windows Task Manager")
WEnd


Func WM_COMMAND($hWnd, $Msg, $wParam, $lParam)
    Local $iCode = BitShift($wParam, 16)
    Switch $lParam
        Case GUICtrlGetHandle($Input1)
            Switch $iCode
                Case $EN_KILLFOCUS
                    Local $attempt = GUICtrlRead($Input1)
                    If Not $passed And $attempt <> $pass Then
                        $restore = True
                        GUICtrlSetState($Input1, $GUI_FOCUS)
                    EndIf
                    
            EndSwitch
    EndSwitch

    Return $GUI_RUNDEFMSG
EndFunc  ;==>WM_COMMAND

Bru · August 3, 2008

I have successfully done the focus part,

But i still get that error, Maybe i am doing it incorrectly, may you write that line of code out again for me to see?

Thank you!

Bru

martin · August 4, 2008

I have successfully done the focus part,
But i still get that error, Maybe i am doing it incorrectly, may you write that line of code out again for me to see?
Thank you!
Bru

Not sure which bit of code you mean. Can you show your latest code?

Was the modified version of your code that I posted of any help? It runs without errors for me.

Bru · August 4, 2008

Infact i don't know what yours does, but here is my latest code.

#include <GUIConstants.au3>

Global $pass = IniRead("C:\WINDOWS\Temp" & "\pass.ini", "Password", "pass", "")

$Form1 = GUICreate("PC-Lock", 292, 209, 521, 216, BitOR($WS_SYSMENU,$WS_CAPTION,$WS_POPUP,$WS_POPUPWINDOW,$WS_BORDER,$WS_CLIPSIBLINGS))
GUISetIcon("D:\Programming\02.07.08 CODING\thermidaicon.ico")
$Label1 = GUICtrlCreateLabel("Please enter the correrct password before entering the PC", 8, 8, 277, 17)
$Label2 = GUICtrlCreateLabel("Password: ", 8, 48, 56, 17)
$Input1 = GUICtrlCreateInput("", 64, 48, 217, 21)
$Button1 = GUICtrlCreateButton("Run", 200, 72, 73, 25, 0)
$Button3 = GUICtrlCreateButton("OK", 200, 176, 73, 25, 0)
$Label3 = GUICtrlCreateLabel("Original: ", 8, 120, 45, 17)
$Label4 = GUICtrlCreateLabel("New: ", 8, 152, 32, 17)
$Input2 = GUICtrlCreateInput("", 64, 120, 217, 21)
$Input3 = GUICtrlCreateInput("", 64, 152, 217, 21)

GUISetState(@SW_SHOW)



While 1
    
    If WinActive("PC-Lock") <> 1 Then 
        WinActivate("PC-Lock")
    Endif
    
    $nMsg = GUIGetMsg()
    Switch $nMsg
        
        Case $GUI_EVENT_CLOSE
            
        Case $Button1
            $entered  = GUICtrlRead($Input1)
            
            If $pass == $entered Then
                Exit
            Else    
                MsgBox(0, "Fail", "Fail")
            EndIf
            
        Case $Button3
            $old = GUICtrlRead($Input2)
            $new = GUICtrlRead($Input3)
            
            If $old == $pass Then
                IniWrite("C:\WINDOWS\Temp" & "\pass.ini", "Password", "pass", $new)
                ShellExecute(@ScriptFullPath)
                Exit
            Else
                Msgbox(0, "Fail", "The original password does not match.")
            EndIf
            

    EndSwitch
WEnd

;

I still get the same error as before.

Thank you,

Bru

Edited August 4, 2008 by Bru

martin · August 4, 2008

Infact i don't know what yours does, but here is my latest code.
I still get the same error as before.
Thank you,
Bru

Could you perhaps try my script? It's a modification of your original post to achieve what I thought you wanted. It includes the addition of an include file which was missing in your script and caused your error, and it stops anyone using the PC until the password has been entered.

nitekram · August 4, 2008

Could you perhaps try my script? It's a modification of your original post to achieve what I thought you wanted. It includes the addition of an include file which was missing in your script and caused your error, and it stops anyone using the PC until the password has been entered.

what does $EN_KILLFOCUS do or should it equal?

davecollinsnz · August 4, 2008

A while back I made a script that did the same (a security program for me at network parties) but I found that autoit couldn't handle more than 64 hotkeysets in a script. So I made serveral scripts (that were all started by the main script) each with a different set of 64 hotkeysets to capture.

I made it so the window was on top and if the focus wasn't its self, it moved the focus to it. I had made the window screen size and disabled taskmanger and the mouse. I also encrypted the password with the same password and then it decrypts the password with the password entered and sees if the two match. After three wrong passwords, the computer blocks all input for 60 seconds, then unlocks. One last security feature which I never got around to coding was that if the program was somehow disabled, another program would start it up again.

Edited August 4, 2008 by TheDarkEngineer

TerarinKerowyn · August 4, 2008

Using WM_KILLFOCUS will alert you of when the users clicks out of your controls domain those the check on that then checking the password if it isn't correct the automatic return back to your application

Hence the GUICtrlSetState($Input1, $GUI_FOCUS)

nitekram · August 4, 2008

Using WM_KILLFOCUS will alert you of when the users clicks out of your controls domain those the check on that then checking the password if it isn't correct the automatic return back to your application
Hence the GUICtrlSetState($Input1, $GUI_FOCUS)

When I tried the script, I got an error and it said it was undefined, undeclared global variable. I am looking for where to find more information on it. So that the script would work.

davecollinsnz · August 4, 2008

@ nitekram I just ran the code that martin posted and I got no error from it. Are all the includes at the top of your .au3 complete? (ie. did you copy and paste correctly?)

martin · August 4, 2008

what does $EN_KILLFOCUS do or should it equal?

It's defined in editconstants.au3 which is included in the script I posted.

It's a notification from the input that it has lost focus.

nitekram · August 4, 2008

It's defined in editconstants.au3 which is included in the script I posted.
It's a notification from the input that it has lost focus.

Here is mine - is yours different. Running:(3.2.0.1)

#include-once

; ------------------------------------------------------------------------------
;
; AutoIt Version: 3.1.1 (beta)
; Language:       English
; Description:    Edit Constants.
;
; ------------------------------------------------------------------------------

; Styles
Global Const $ES_LEFT               = 0
Global Const $ES_CENTER             = 1
Global Const $ES_RIGHT              = 2
Global Const $ES_MULTILINE          = 4
Global Const $ES_UPPERCASE          = 8
Global Const $ES_LOWERCASE          = 16
Global Const $ES_PASSWORD           = 32
Global Const $ES_AUTOVSCROLL        = 64
Global Const $ES_AUTOHSCROLL        = 128
Global Const $ES_NOHIDESEL          = 256
Global Const $ES_OEMCONVERT         = 1024
Global Const $ES_READONLY           = 2048
Global Const $ES_WANTRETURN         = 4096
Global Const $ES_NUMBER             = 8192
;Global Const $ES_DISABLENOSCROLL = 8192
;Global Const $ES_SUNKEN = 16384
;Global Const $ES_VERTICAL = 4194304
;Global Const $ES_SELECTIONBAR = 16777216

; Error checking
Global Const $EC_ERR = -1

; Messages to send to edit control
Global Const $ECM_FIRST = 0X1500
Global Const $EM_CANUNDO = 0xC6
Global Const $EM_EMPTYUNDOBUFFER = 0xCD
Global Const $EM_GETFIRSTVISIBLELINE = 0xCE
Global Const $EM_GETLINECOUNT = 0xBA
Global Const $EM_GETMODIFY = 0xB8
Global Const $EM_GETRECT = 0xB2
Global Const $EM_GETSEL = 0xB0
Global Const $EM_LINEFROMCHAR = 0xC9
Global Const $EM_LINEINDEX = 0xBB
Global Const $EM_LINELENGTH = 0xC1
Global Const $EM_LINESCROLL = 0xB6
Global Const $EM_REPLACESEL = 0xC2
Global Const $EM_SCROLL = 0xB5
Global Const $EM_SCROLLCARET = 0x00B7
Global Const $EM_SETMODIFY = 0xB9
Global Const $EM_SETSEL = 0xB1
Global Const $EM_UNDO = 0xC7
Global Const $EM_SETREADONLY = 0x00CF
Global Const $EM_SETTABSTOPS = 0x00CB

martin · August 4, 2008

Here is mine - is yours different. Running:(3.2.0.1)

#include-once

; ------------------------------------------------------------------------------
;
; AutoIt Version: 3.1.1 (beta)
; Language:       English
; Description:    Edit Constants.
;
; ------------------------------------------------------------------------------

; Styles
Global Const $ES_LEFT               = 0
Global Const $ES_CENTER             = 1
Global Const $ES_RIGHT              = 2
Global Const $ES_MULTILINE          = 4
Global Const $ES_UPPERCASE          = 8
Global Const $ES_LOWERCASE          = 16
Global Const $ES_PASSWORD           = 32
Global Const $ES_AUTOVSCROLL        = 64
Global Const $ES_AUTOHSCROLL        = 128
Global Const $ES_NOHIDESEL          = 256
Global Const $ES_OEMCONVERT         = 1024
Global Const $ES_READONLY           = 2048
Global Const $ES_WANTRETURN         = 4096
Global Const $ES_NUMBER             = 8192
;Global Const $ES_DISABLENOSCROLL = 8192
;Global Const $ES_SUNKEN = 16384
;Global Const $ES_VERTICAL = 4194304
;Global Const $ES_SELECTIONBAR = 16777216

; Error checking
Global Const $EC_ERR = -1

; Messages to send to edit control
Global Const $ECM_FIRST = 0X1500
Global Const $EM_CANUNDO = 0xC6
Global Const $EM_EMPTYUNDOBUFFER = 0xCD
Global Const $EM_GETFIRSTVISIBLELINE = 0xCE
Global Const $EM_GETLINECOUNT = 0xBA
Global Const $EM_GETMODIFY = 0xB8
Global Const $EM_GETRECT = 0xB2
Global Const $EM_GETSEL = 0xB0
Global Const $EM_LINEFROMCHAR = 0xC9
Global Const $EM_LINEINDEX = 0xBB
Global Const $EM_LINELENGTH = 0xC1
Global Const $EM_LINESCROLL = 0xB6
Global Const $EM_REPLACESEL = 0xC2
Global Const $EM_SCROLL = 0xB5
Global Const $EM_SCROLLCARET = 0x00B7
Global Const $EM_SETMODIFY = 0xB9
Global Const $EM_SETSEL = 0xB1
Global Const $EM_UNDO = 0xC7
Global Const $EM_SETREADONLY = 0x00CF
Global Const $EM_SETTABSTOPS = 0x00CB

Very different. Your version is very old and I am using the latest version, (or it was last week).

You can simply add this though to get it working

Global Const $EN_KILLFOCUS = 0x200
;Global Const $EN_SETFOCUS = 0x100

Edited August 4, 2008 by martin

My PC-Lock

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