frames and cookies

#1 (**permalink**) 03-26-2007

I have a page, which writes a cookie, creating two frames. I have verified
via Fireplug that the cookie is being written. In one of the frames, an
attempt then is made to read the cookie. Therein, I have code to see if the
cookie is set -- and it keeps telling me it is not set (despite my being
able to see it there, and it;s contents, and it is correct). Can someone
please tell me why, in this code, my frame connot read this cookie? Thanks.

//here is the page that creates the cookie, and establishes the frames
-------------------------------
<?php
$user= $_POST['user'];
$server= $_POST['server'];
$port= $_POST['port'];
$channel= $_POST['channel'];
$email= $_POST['email'];
$fullname= $_POST['fullname'];
$sk= $_POST['sk'];
$voice= $_POST['voice'];
$usevoice= $_POST['usevoice'];
$password= $_POST['password'];
$timer = md5(time());
$info = $user . "+" . $server . "+" . $port. "+" . $channel. "+"
..$email. "+" .$fullname. "+" .$sk. "+" .$voice. "+" .$usevoice. "+"
..$password;
SetCookie("vios", $info, time() + 86400 * 10); //Set Cookie for 10
days
?>
<HTML>
<HEAD>
<TITLE>VIOS Demonstration</TITLE>
</HEAD>

<frameset rows="320,*">

<frame src="viostop.php" name="top" scrolling="no" noresize
FRAMEBORDER="0" BORDER="0" FRAMESPACING="0" marginwidth="1"
marginheight="1">
<?php
echo "<frame
src=\"http://127.0.0.1:2001?userid=".$user."&password=".$passwo rd."
name=\"bottom\" marginwidth=\"1\" scrolling=\"no\" noresize
FRAMEBORDER=\"0\" BORDER=\"0\" FRAMESPACING=\"0\" marginheight=\"1\">";
?>
<noframes>
<body>

This web page uses frames, but your
browser doesn't support them.
</body>
</noframes>
</frameset>
</HTML>
-------------------------------------------------------------
//and here is the frame that attempts to then read the cookie:

<html>
<head>
</head>
<body>
<?php
if (!(isset($vios))) {
echo "cookie not set in browser.";
exit;
}
$sidarray = explode("+", "$vios");
$user= $sidarray[0];
$server= $sidarray[1];
$port= $sidarray[2];
$channel= $sidarray[3];
$email= $sidarray[4];
$fullname=$sidarray[5];
$sk= $sidarray[6];
$voice= $sidarray[7];
$usevoice= $sidarray[8];
$password= $sidarray[9];
?>

#2 (**permalink**) 03-27-2007

"R. Vince" <rvince99 a t hotmail d o t com> wrote:

> I have a page, which writes a cookie, creating two frames. I have verified
> via Fireplug that the cookie is being written. In one of the frames, an
> attempt then is made to read the cookie. Therein, I have code to see if
> the cookie is set -- and it keeps telling me it is not set (despite my
> being able to see it there, and it;s contents, and it is correct). Can
> someone please tell me why, in this code, my frame connot read this
> cookie? Thanks.
>
> //here is the page that creates the cookie, and establishes the frames
> -------------------------------
> <?php
> $user= $_POST['user'];
> $server= $_POST['server'];
> $port= $_POST['port'];
> $channel= $_POST['channel'];
> $email= $_POST['email'];
> $fullname= $_POST['fullname'];
> $sk= $_POST['sk'];
> $voice= $_POST['voice'];
> $usevoice= $_POST['usevoice'];
> $password= $_POST['password'];
> $timer = md5(time());
> $info = $user . "+" . $server . "+" . $port. "+" . $channel. "+"
> .$email. "+" .$fullname. "+" .$sk. "+" .$voice. "+" .$usevoice. "+"
> .$password;
> SetCookie("vios", $info, time() + 86400 * 10); //Set Cookie for 10
> days
> ?>
> <HTML>
> <HEAD>
> <TITLE>VIOS Demonstration</TITLE>
> </HEAD>
>
> <frameset rows="320,*">
> 
> <frame src="viostop.php" name="top" scrolling="no"
> noresize
> FRAMEBORDER="0" BORDER="0" FRAMESPACING="0" marginwidth="1"
> marginheight="1">
> <?php
> echo "<frame
> src=\"http://127.0.0.1:2001?userid=".$user."&password=".$passwo rd."
> name=\"bottom\" marginwidth=\"1\" scrolling=\"no\" noresize
> FRAMEBORDER=\"0\" BORDER=\"0\" FRAMESPACING=\"0\" marginheight=\"1\">";
> ?>
> <noframes>
> <body>
> 
> This web page uses frames, but your
> browser doesn't support them.
> </body>
> </noframes>
> </frameset>
> </HTML>
> -------------------------------------------------------------
> //and here is the frame that attempts to then read the cookie:
>
> <html>
> <head>
> </head>
> <body>
> <?php
> if (!(isset($vios))) {
> echo "cookie not set in browser.";
> exit;
> }
> $sidarray = explode("+", "$vios");
> $user= $sidarray[0];
> $server= $sidarray[1];
> $port= $sidarray[2];
> $channel= $sidarray[3];
> $email= $sidarray[4];
> $fullname=$sidarray[5];
> $sk= $sidarray[6];
> $voice= $sidarray[7];
> $usevoice= $sidarray[8];
> $password= $sidarray[9];
> ?>

Hi R. Vince,

Cookies are set PER DOMAIN and possible even with a PATH in that domain.
That means that a cookie set at:
http://www.example.com cannot be retrieved by:
http://www.yetanotherdomain.com

By not retrieving I mean:
1) Is NEVER send to the server
2) Cannot be queried by Javascript.

So in effect a cookie from another domain is effectively not there.
This has been like this since... Netscape2 if memory serves me well.

Regards,
Erwin Moller

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