Пользователи, пароли, защита информации

Code:

unit Unit1;

{©Drkb v.3}

interface

uses

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

Dialogs, StdCtrls;

type

TForm1 = class(TForm)

   Button1: TButton;

   procedure Button1Click(Sender: TObject);

private

   { Private declarations }

public

   { Public declarations }

end;

LPUSER_INFO_2 = ^USER_INFO_2;

{$EXTERNALSYM LPUSER_INFO_2}

PUSER_INFO_2 = ^USER_INFO_2;

{$EXTERNALSYM PUSER_INFO_2}

_USER_INFO_2 = record

   usri2_name: LPWSTR;

   usri2_password: LPWSTR;

   usri2_password_age: DWORD;

   usri2_priv: DWORD;

   usri2_home_dir: LPWSTR;

   usri2_comment: LPWSTR;

   usri2_flags: DWORD;

   usri2_script_path: LPWSTR;

   usri2_auth_flags: DWORD;

   usri2_full_name: LPWSTR;

   usri2_usr_comment: LPWSTR;

   usri2_parms: LPWSTR;

   usri2_workstations: LPWSTR;

   usri2_last_logon: DWORD;

   usri2_last_logoff: DWORD;

   usri2_acct_expires: DWORD;

   usri2_max_storage: DWORD;

   usri2_units_per_week: DWORD;

   usri2_logon_hours: PBYTE;

   usri2_bad_pw_count: DWORD;

   usri2_num_logons: DWORD;

   usri2_logon_server: LPWSTR;

   usri2_country_code: DWORD;

   usri2_code_page: DWORD;

end;

{$EXTERNALSYM _USER_INFO_2}

USER_INFO_2 = _USER_INFO_2;

{$EXTERNALSYM USER_INFO_2}

TUserInfo2 = USER_INFO_2;

PUserInfo2 = puser_info_2; 

function NetUserAdd(ServerName: LPCWSTR; Level: DWORD;

   Buff: PByte; var Parm_Err: DWORD): DWORD; stdcall;

   external 'netapi32.dll';

var

Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);

const

NERR_Success = 0;

USER_PRIV_USER  = 1;

UF_SCRIPT = $0001;

UF_DONT_EXPIRE_PASSWD = $10000;

var

UserInfo: TUserInfo2;

Parm_Err: DWORD;

begin

ZeroMemory(@UserInfo, SizeOf(TUserInfo2));

UserInfo.usri2_name := 'TestUser';

UserInfo.usri2_password := '123';

UserInfo.usri2_priv := USER_PRIV_USER;

UserInfo.usri2_flags := UF_SCRIPT or UF_DONT_EXPIRE_PASSWD;

if NetUserAdd(nil, 2, @UserInfo, Parm_Err) <> NERR_Success then

   RaiseLastOSError

else

   ShowMessage('Пользователь TestUser с паролем 123 успешно добавлен.');

end;

end.