在非XP操作系统下模拟的LockWorkStation函数

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在非XP操作系统下模拟的LockWorkStation函数

文章作者：Delphiscn

信息来源：邪恶八进制信息安全团队

程序功能：可在非XP的操作系统下所定计算机

（为了程序的界面美观，我使用了SUIPack控件，有兴趣的朋友可以去Delphibox.com下载）

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application password: administrators

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unit unit1;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, ExtCtrls, SUIForm, StdCtrls, SUIEdit, SUIButton, Inifiles, SUIDlg;

type

TForm1 = class(TForm)

Form1: TsuiForm;

InputPassword: TsuiEdit;

OK: TsuiButton;

ChangePassword: TsuiButton;

SavePassword: TsuiButton;

PasswordNew: TsuiEdit;

CloseApplication: TsuiButton;

Notes: TLabel;

Message: TsuiMessageDialog;

procedure FormKeyDown(Sender: TObject; var Key: Word;

Shift: TShiftState);

procedure OKClick(Sender: TObject);

procedure FormCreate(Sender: TObject);

procedure SavePasswordClick(Sender: TObject);

procedure CloseApplicationClick(Sender: TObject);

procedure ChangePasswordClick(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;

Shift: TShiftState);

begin

if (key=VK_F4) and ([ssALT]=shift) then key:=0;

end;

procedure Lock;

var

hDesktop:THandle;

wndHandle:THandle;

wndClass:array[0..50]of Char;

begin

hDesktop:=FindWindow(‘Progman’,nil);

showWindow(hDesktop,SW_Hide);

StrPCopy(@wndClass[0],’shell_TrayWnd’);

wndHandle:=FindWindow(@wndClass[0],nil);

ShowWindow(wndHandle,SW_HIDE);

end;

procedure UnLock;

var

hDesktop:THandle;

wndHandle:THandle;

wndClass:array[0..50]of Char;

begin

hDesktop:=FindWindow(‘Progman’,nil);

showWindow(hDesktop,SW_show);

StrPCopy(@wndClass[0],’shell_TrayWnd’);

wndHandle:=FindWindow(@wndClass[0],nil);

ShowWindow(wndHandle,SW_show);

end;

procedure TForm1.OKClick(Sender: TObject);

var

Filename:String;

Reguser:TIniFile;

begin

Filename:=ExtractFilePath(paramstr(0))+’Reguser.ini’;

Reguser:=TIniFile.Create(Filename);

IF Reguser.ReadString(‘程序参数’,’Password’,”)=Inputpassword.Text

then

begin

unlock;

Changepassword.Enabled:=True;

CloseApplication.Enabled:=True;

end

else

begin

Message.Text:=’Sorry Your Password Not Right’;

Message.ShowModal;

end;

end;

procedure TForm1.FormCreate(Sender: TObject);

begin

Changepassword.Enabled:=False;

PasswordNew.Enabled:=False;

CloseApplication.Enabled:=False;

Notes.Enabled:=False;

Savepassword.Enabled:=False;

lock;

end;

procedure TForm1.SavePasswordClick(Sender: TObject);

var

Filename:String;

Reguser:TIniFile;

begin

Filename:=ExtractFilePath(paramstr(0))+’Reguser.ini’;

Reguser:=TIniFile.Create(Filename);

Reguser.WriteString(‘程序参数’,’Password’,PasswordNew.Text);

Message.Text:=’You Have Changed Password’;

Message.ShowModal;

end;

procedure TForm1.CloseApplicationClick(Sender: TObject);

begin

close;

end;

procedure TForm1.ChangePasswordClick(Sender: TObject);

begin

Notes.Enabled:=True;

passwordNew.Enabled:=True;

SavePassword.Enabled:=True;

end;

end.

Reguser.ini

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[程序参数]

Password=administrators

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XP下LockWorkStation函数的调用

Rundll32.exe USER32.dll ,LockWorkStation