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Bug #31966 SSL:// wrapper does not obey NON_BLOCKING mode.
Submitted: 2005-02-14 11:15 UTC Modified: 2005-02-14 20:19 UTC
From: james-php at bytehosting dot com Assigned:
Status: Closed Package: *Network Functions
PHP Version: 4.3.10 OS: linux
Private report: No CVE-ID: None
 [2005-02-14 11:15 UTC] james-php at bytehosting dot com
When php is compiled against openssl. If you use a non_blocking stream PHP does not obet the non_blocking options. If you REMOVE the ssl:// and connect to a non-secure port, and it works perfectly fine.

OpenSSL 0.9.7e

PHP 4.3.10 (cgi-fcgi) (built: Dec 27 2004 04:01:15)
Copyright (c) 1997-2004 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies
Kernel: 2.4.22-36mdkenterprise
Mandrake Linux release 9.2 (FiveStar) for i586

Dual xeon + hyperthreading:
model name      : Intel(R) Xeon(TM) CPU 2.40GHz
stepping        : 9
cpu MHz         : 2389.117
cache size      : 512 KB

./configure  --enable-fastcgi --with-mysql --enable-aspell --enable-ftp --enable-xml --enable-trans-sid --enable-curl \
--enable-force-cgi-redirect --with-gd --with-zlib-dir --with-curl=/usr/include/curl --with-openssl \

Reproduce code:

$fd = fsockopen("ssl://","5557");

$buff = fgets($fd);

echo "You will never see this, as fgets hangs forever.";

Expected result:
Socket to be non-blocked, and return immediately.


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 [2005-02-14 11:20 UTC] james-php at bytehosting dot com
opps -- stream_set_blocking()

 [2005-02-14 11:23 UTC] james-php at bytehosting dot com
Too late of night, the previous comment was ment to say (I made an error when submitting the bug). I do have it properly set as stream_set_blocking($fd,FALSE); and the problem still exists. The code sample submitted was wrong, the bug applies when you actully use the proper function names. Thats what I get when re-typing the code out in the form, instead of pasting it.

 [2005-02-14 20:19 UTC]
Should already be fixed in PHP 5.1.
While it could be ported back to PHP 5.0 without much effort (if I haven't already merged it), back-porting to PHP 4.3 will be a bit more difficult.
I don't have plans to do that at this time.
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