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Bug #49257 stream_socket_enable_crypto() problems outside of child process
Submitted: 2009-08-14 17:40 UTC Modified: 2009-09-02 19:24 UTC
From: jerrywilborn at gmail dot com Assigned:
Status: Not a bug Package: Streams related
PHP Version: 5.2.10 OS: CentOS 4.4
Private report: No CVE-ID: None
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From: jerrywilborn at gmail dot com
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 [2009-08-14 17:40 UTC] jerrywilborn at gmail dot com
Description:
------------
Open a tcp connection using stream_socket_client, spawn a child process 
with pcntl_fork, encrypt the stream in the child, fetch data from the 
stream.  In the parent wait for the child to finish and then fetch data 
out of the stream; it is not decrypted.

Reproduce code:
---------------
<?

$s = stream_socket_client("tcp://smtpout.secureserver.net:465", $errno, $errstr, 5, STREAM_CLIENT_CONNECT);

if (!pcntl_fork()) {
	if (stream_socket_enable_crypto($s, TRUE, STREAM_CRYPTO_METHOD_SSLv23_CLIENT)) {
		print "child: " . fgets($s);
	}
	exit;
}

pcntl_wait($status);
print "parent: " . fgets($s) . "\n";

?>

Expected result:
----------------
child: 220 smtpauth18.prod.mesa1.secureserver.net ESMTP
parent: 220 smtpauth18.prod.mesa1.secureserver.net ESMTP

Actual result:
--------------
child: 220 smtpauth18.prod.mesa1.secureserver.net ESMTP
parent:  ??1)?????cV^~?????
                           ??n?0?s`wh?9


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 [2009-09-02 19:20 UTC] jani@php.net
Exactly why would it be? You forked and called the crypto enabling, you 
didn't enable it for the parent. 
 [2009-09-02 19:24 UTC] jerrywilborn at gmail dot com
I assumed the encryption was a feature of the socket and not the 
process. Thanks for the clarification.
 
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