Как написать СКАНЕР ПОРТОВ!

← →
snoup (2002-03-16 01:00) [0]

← →
В.К. (2002-03-16 10:13) [1]

Журнал "Хакер", выпуск 2001 г., точный номер не помню, шли на мыло запрос, вышлю ответ.

← →
copyr25 (2002-03-16 16:21) [2]

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, ExtCtrls, ScktComp;

type
TForm1 = class(TForm)
Bevel1: TBevel;
Bevel2: TBevel;
Label1: TLabel;
Edit1: TEdit;
Label2: TLabel;
Edit2: TEdit;
Edit3: TEdit;
Label3: TLabel;
Bevel3: TBevel;
Button1: TButton;
Button2: TButton;
Button3: TButton;
Bevel4: TBevel;
Edit4: TEdit;
ListBox1: TListBox;
ps: TClientSocket;
procedure Button1Click(Sender: TObject);
procedure psConnect(Sender: TObject; Socket: TCustomWinSocket);
procedure psError(Sender: TObject; Socket: TCustomWinSocket;
ErrorEvent: TErrorEvent; var ErrorCode: Integer);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;
portno:integer;
implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
button1.enabled:=false;
edit1.enabled:=false;
edit2.enabled:=false;
edit3.enabled:=false;
edit4.enabled:=false;
button2.enabled:=true;
portno:=strtoint(edit2.text);
ps.address:=edit1.text;
ps.port:=portno;
ps.active:=true;
end;

procedure TForm1.psConnect(Sender: TObject; Socket: TCustomWinSocket);
label son;
begin
listbox1.items.add("Connect on Port : "+inttostr(portno));
ps.active:=false;
portno:=portno+1;
if portno > strtoint(edit3.text) then goto son else
ps.address:=edit1.text;
ps.port:=portno;
ps.active:=true;
son:

end;

procedure TForm1.psError(Sender: TObject; Socket: TCustomWinSocket;
ErrorEvent: TErrorEvent; var ErrorCode: Integer);
label son;
begin
errorcode:=0;
edit4.text:="Scanned Port No : "+inttostr(portno);
ps.active:=false;
portno:=portno+1;
if portno > strtoint(edit3.text) then goto son else
ps.address:=edit1.text;
ps.port:=portno;
ps.active:=true;
son:

end;

procedure TForm1.Button2Click(Sender: TObject);
begin
portno:=strtoint(edit3.text);
button1.enabled:=true;
edit1.enabled:=true;
edit2.enabled:=true;
edit3.enabled:=true;
edit4.enabled:=true;
button2.enabled:=false;

end;

procedure TForm1.Button3Click(Sender: TObject);
begin
edit4.text:="";
listbox1.items.clear;

end;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
ps.active:=false;
end;

end.

← →
Di_wind (2002-03-16 16:44) [3]

goto mustdie

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