type
  THTTPClientForm = class(TForm)
    Memo1: TMemo;
    Label1: TLabel;
    URL: TLabel;
    EdURL: TEdit;
    Button1: TButton;
    Edit3: TEdit;
    Label4: TLabel;
    Memo2: TMemo;
    EditMpopl: TEdit;
    EditMrcu: TEdit;
    procedure Button1Click(Sender: TObject);
    Function GetWEBpage(addr:string; Method:integer):TStringList;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure EdURLKeyDown(Sender: TObject; var Key: Word;
      Shift: TShiftState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  HTTPClientForm: THTTPClientForm;
  SendBuff:string;
  POST:string;

implementation

uses unit2;

{$R *.dfm}

procedure THTTPClientForm.Button1Click(Sender: TObject);
begin
Memo1.Lines.Assign(GetWebPage(edURL.text, StrToInt(Edit3.Text)));
end;

Function THTTPClientForm.GetWEBPage;
var
  localaddr : sockaddr_in;
  iMode, iSize:integer;
  rfds: TFDSET;
  Buff: array [0..1024] of char;
  stClient:TSocket;
  testingserver, servername, portname:string;
  timeout:TTimeVal;
begin

  Result:=TStringList.Create;

  stClient:=socket(AF_INET, SOCK_STREAM, 0);
  if stClient=INVALID_SOCKET then
    begin
      messageBox(0, 'Ошибка инициализации сокета', 'Error', MB_OK);
      exit;
    end;

      ServerName:='mail.ru';
      PortName:='80';

localaddr.sin_addr:=LookUpName(servername);
localaddr.sin_family:=AF_INET;
localaddr.sin_port:=htons(StrToIntDef(portname, 80));

if connect(stClient, @localaddr, sizeof(localaddr))<>0 then
  begin
    messageBox(0, 'Ошибка соединения', 'Error', MB_OK);
    exit;
  end;

  SendBuff:='';

  if method=1 then
     SendBuff:=
    'GET / HTTP/1.1'#13+
    'User-Agent: Opera/9.64 (Windows NT 5.1; U; ru) Presto/2.1.1'#13+
    'Host: www.mail.ru'#13+
    'Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1'#13+
    'Accept-Language: ru-RU,ru;q=0.9,en;q=0.8'#13+
    'Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1'#13+
    'Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0'#13+
    'If-Modified-Since: Fri, 14 Aug 2009 11:18:57 GMT'#13+
    'Connection: Keep-Alive, TE'#13+
    'TE: deflate, gzip, chunked, identity, trailers'#13#13;

  if method=2 then
    begin
      POST:='Login=UserLogin+&Domain=mail.ru&Password=UserPassword';
      SendBuff:=
      'POST /cgi-bin/auth HTTP/1.1'#13+
      'User-Agent: Opera/9.64 (Windows NT 5.1; U; ru) Presto/2.1.1'#13+
      'Host: win.mail.ru'#13+
      'Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1'#13+
      'Accept-Language: ru-RU,ru;q=0.9,en;q=0.8'#13+
      'Accept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1'#13+
      'Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0'#13+
      'Referer: http://www.mail.ru/'#13+
      'Cookie: Mpopl='+EditMpopl.Text+'; mrcu='+EditMrcu.Text+';'#13+
      'Cookie2: $Version=1'#13+
      'Connection: Keep-Alive, TE'#13+
      'TE: deflate, gzip, chunked, identity, trailers'#13+
      'Content-Length: '+IntToStr(Length(POST))+#13+
      'Content-Type: application/x-www-form-urlencoded'#13#13+POST;
    end;

    Memo2.Lines.Clear;
    Memo2.Lines.Add(SendBuff);
    SendStr(stClient,SendBuff);

iMode:=1;
setsockopt(stClient, IPPROTO_TCP, TCP_NODELAY, @iMode, sizeof(integer));

  while true do
    begin
      FD_ZERO(rfds);
      FD_SET(stClient, rfds);

      timeout.tv_sec:=10;
      if (select(0, @rfds, nil, nil, @timeout)<=0) then
        exit;

      if (FD_ISSET(stClient, rfds)) then
        begin
          iSize:=recv(stClient, buff, sizeof(buff), 0);
          if (iSize<1) then
           break;
           Result.Add(String(buff));
        end;
    end;
      CloseSocket(stClient);
end;

procedure THTTPClientForm.FormCreate(Sender: TObject);
var SockInit:TWSADATA;
begin
WSAStartUp(makeword(2,0), SockInit)
end;