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Bug #21642 fsockopen() tls doenst work with tlsftp's
Submitted: 2003-01-14 16:28 UTC Modified: 2003-01-15 14:08 UTC
Votes:3
Avg. Score:5.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: toppi at kacke dot de Assigned:
Status: Not a bug Package: Sockets related
PHP Version: 4.3.0 OS:
Private report: No CVE-ID: None
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From: toppi at kacke dot de
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 [2003-01-14 16:28 UTC] toppi at kacke dot de 
Trying to tls://ftp_ip:port ... 

Warning: fsockopen() [function.fsockopen]: php_stream_sock_ssl_activate_with_method: SSL handshake/connection failed in ftpclass.php on line 204

Warning: fsockopen() [function.fsockopen]: failed to activate SSL mode 2 in ftpclass.php on line 204

The TLS SERVER replies tru fread() at least :

UK (glftpd 1.28_Linux+TLS) ready.
500 '': Command not understood.

I would expect when using a tls-prefix its working similare to ftp_ssl_connect (what is working fine but not needed cause no filepointer back).

No chance in php to connect ftp+tls tru fsock which is needed if you need a filepointer back to use fread/write etc.

Greetings

Toppi

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 [2003-01-14 16:41 UTC] wez@php.net 
this is expected behaviour; fsockopen("tls://") opens the socket with TLS turned on.
By default, TLS-enabled ftp servers start "in the clear" - with crypto turned off.

If you want to use TLS over ftp, consider using fopen("ftps://") instead (which will attempt TLS negotiation according to the relevant rfcs), or if that is not sufficient, try using the curl functions.
 [2003-01-15 05:12 UTC] toppi at kacke dot de 
TLS becomes more a standard instead of FTP.

I cant recognize the reason why fsockopen() doesnt handle tls/ssl similare to fopen().

Why not starting (like fopen() it does) in clear mode, then switch to tls/ssl if this all is FLASE return fail ?

Atm i have to run a TLSwrapper in background to connect FTP+TLS cause fsock yes but ssl...

The use of Curl or fopen instead ? Sounds a bit crazy for me tho :)

A Create a socket function should handle all streams.

Im looking forward to fsockopen supports ftp+tls :)

Greetings
Toppi
 [2003-01-15 05:41 UTC] toppi at kacke dot de 
Just info when using fopen();

it retruns

Warning: fopen(ftps://...@ip:port) [function.fopen]: failed to create stream: Operation not permitted in .....
 [2003-01-15 05:51 UTC] toppi at kacke dot de 
Please add rfc2228 handle to fsockopen(); 

:-)
 [2003-01-15 07:23 UTC] wez@php.net 
fsockopen is intended to open *only* a raw socket and not implement some protocol level stuff -> that is what the URL wrappers are for in fopen().
Please try one of the alternative methods for working with secure ftp.
If you find a problem with those, then open a new bug report.
 [2003-01-15 13:39 UTC] toppi at kacke dot de 
Hi Wez,

i know this prolly no faq here but im sticky since days on it and i didnt get help anywhere yet, so excuse my last question in this thread please.

example:

<?PHP

$sock = fsockopen($server, $port, $errno, $errstr, timeout);
fgets($sock....);
if TLS then {
    frwite (ftp, "AUTH", "TLS"))

    //to use php_stream_api or streams and options
    //and swtich into ssl mode ? like php.ftp it does ?
    
    // ctx = SSL_CTX_new(SSLv23_client_method()); ?????
    
    //or a simple stream wrapper from php

    frwite(ftp, "PBSZ")
    .
    ...and so on.....
}
?>


a simple "yes" or "no" from your side would be enough, so
ill try to figure it out by myself.

Maybe theres something easie php-trick i dont know,
to solve this problem.

Also theres no help available on the web to it.

Im sorry to waste your time in here , but its realy importand to realize it in php.


Toppi
 [2003-01-15 14:08 UTC] wez@php.net 
Responding by private mail.
 
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