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Bug #27401 fopen problem
Submitted: 2004-02-26 05:57 UTC Modified: 2004-02-26 09:36 UTC
From: ycallen at ndsisrael dot com Assigned:
Status: Not a bug Package: Apache related
PHP Version: 4.3.4 OS: RHEL linux
Private report: No CVE-ID: None
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From: ycallen at ndsisrael dot com
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 [2004-02-26 05:57 UTC] ycallen at ndsisrael dot com 
Description:
------------
I do the following steps:
1.I run apache in debug mode(httpd -X).
2.I have a php script(send.php) that tries to access another php script(recieve.php)using fopen with a url.The url points to localhost[example : fopen("http://localhost/~php/recieve.php)].
3.The program hangs and eventually times out with the following warning : "Warning: fopen(http://localhost/~php/recieve.php?param1=1??m2=2): failed to open stream: HTTP request failed! ???^ in /home/php/public_html/send.php on line 6"

This only happens when i run apache in debug mode.When i run apache in regular mode then it works.

Reproduce code:
---------------
recieve.php:
<?php
echo "with GET<br>";
echo "my first param is: ".$_GET['param1']."<br>";
echo "my second param is: ".$_GET['param2']."<br>";
?>

send.php:
<?php
$url = "http://localhost/~php/recieve.php?param1=1&param2=2";
$opts = array('http' => array('method' => "GET"));
$context = stream_context_create($opts);
echo "before fopen<br>";
$fp = fopen($url, "r", true, $context);
fpassthru($fp);
fclose($fp);
?>

Expected result:
----------------
before fopen
with GET
my first param is: 1
my second param is: 2


Actual result:
--------------
before fopen

Warning: fopen(http://localhost/~php/recieve.php?param1=1??m2=2): failed to open stream: HTTP request failed! ???^ in /home/php/public_html/send.php on line 6

Warning: fpassthru(): supplied argument is not a valid stream resource in /home/php/public_html/send.php on line 7

Warning: fclose(): supplied argument is not a valid stream resource in /home/php/public_html/send.php on line 8

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 [2004-02-26 06:07 UTC] postings-php-bug at hans-spath dot de 
What happens when you execute the following line on a shell?
wget -O - "http://localhost/~php/recieve.php?param1=1&param2=2"
 [2004-02-26 06:14 UTC] ycallen at ndsisrael dot com 
it works using :

wget -O - "http://localhost/~php/recieve.php?param1=1&param2=2"
 [2004-02-26 07:17 UTC] sniper@php.net 
Of course it times out in debug mode since there's only one child serving requests..and the one request is taken by your script calling the other script..
 [2004-02-26 07:22 UTC] ycallen at ndsisrael dot com 
If that was the case then no php scripts would work at all.Basic php scripts work.The only problem i found so far was with fopen.
 [2004-02-26 07:27 UTC] sniper@php.net 
You're using old version too. Latest stable CVS snapshot has lot of bugs fixed..
 [2004-02-26 07:27 UTC] ycallen at ndsisrael dot com 
It's not an old version.It's one of the newer ones.
 [2004-02-26 09:36 UTC] ycallen at ndsisrael dot com 
I redirected the fopen to another computer with apache runnning on it and it still didn't work.Do you always write bogus when there is a bug that you don't know how to fix?
 [2004-04-13 03:39 UTC] coadmin at hostings dot com dot pl 
Hello,

I've similar problem. It's not bogus.
I use two servers: FreeBSD 4.9-STABLE and FreeBSD-5.2.1-p3 on different hardware. My PHP version is too 4.3.4 and PHP act as mod_php. Apache 1.3.29.

I've such messages in logs:

Warning:
fopen(http://xxx.foo/check_code.php?id=1707&code=xxx):
failed to open stream: HTTP request failed! @&#169;? in /home/xxx/public_html/check.php on line 20

Warning: fgets(): supplied argument is not a valid stream resource in
/home/xxx/public_html/check.php on line 21

Warning: fgets(): supplied argument is not a valid stream resource in
/home/xxx/public_html/check.php on line 22

Warning: fclose(): supplied argument is not a valid stream resource in
/home/xxx/public_html/check.php on line 23

The problem occurs randomly, about a few hours after Apache START. Only way to fix it is to do full restart of Apache. Problem locks functions fopen() and/or fsockopen(). I don't know how to reproduce it - only way is to wait a few hours. It seems that it's OS independent. Other php functions works good. I didn't noticed any problems. Plese help.
 
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