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Bug #77151 ftp_close(): SSL_read on shutdown
Submitted: 2018-11-14 12:29 UTC Modified: 2018-11-15 06:20 UTC
Votes:3
Avg. Score:4.0 ± 0.0
Reproduced:3 of 3 (100.0%)
Same Version:1 (33.3%)
Same OS:3 (100.0%)
From: ja at vojta-tuma dot cz Assigned:
Status: Closed Package: FTP related
PHP Version: 7.1.24 OS: irrevelant
Private report: No CVE-ID: None
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From: ja at vojta-tuma dot cz
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 [2018-11-14 12:29 UTC] ja at vojta-tuma dot cz 
Description:
------------
ftp_close() function returns warning while trying to close SSL connection.
Exact stdout:
ftp_close(): SSL_read on shutdown

I run following testscript with latest docker php7-cli image.
docker run --rm -v ./code/:/code/ php:7-cli php /code/test.php

Test script:
---------------
<?php
$ftp_conn = ftp_ssl_connect('server');
$ftp_login = ftp_login($ftp_conn, 'user', 'pass');
echo ftp_pwd($ftp_conn);
ftp_close($ftp_conn);


Expected result:
----------------
print working directory without any error

Actual result:
--------------
print working directory and warning message on ftp close.

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 [2018-11-14 15:04 UTC] cmb@php.net 
The respective code[1] looks fishy.  Shouldn't the
php_error_docref() be inside the if statement?

[1] <https://github.com/php/php-src/blob/php-7.2.12/ext/ftp/ftp.c#L1931-L1934>
 [2018-11-14 22:12 UTC] cmb@php.net 
> The respective code[1] looks fishy.

Likely a false alarm, see
<https://github.com/php/php-src/pull/3575/files#r233561470>.
 [2018-11-14 22:25 UTC] manuel-php at mausz dot at 
I can't reproduce this here. But my setup is fairly limited and I'm running the latest releases only.

What's the full error message? "SSL_read on shutdown" is truncated. There should be a readable system/openssl error message + corresponding error number.
 [2018-11-15 06:20 UTC] remi@php.net 
Also get reports abnout this warning:

     PHP Warning:  ftp_close(): SSL_read on shutdown: Success (0) in import.php on line 62

Also see my comments on the https://github.com/php/php-src/commit/bb4a2e8bb7fc80fa5b3725508bcc8fea525f059b
 [2018-11-15 06:20 UTC] remi@php.net
-Operating System: debian +Operating System: irrevelant -PHP Version: 7.2.12 +PHP Version: 7.1.24
 [2018-11-19 12:10 UTC] jsoumelidis at gmail dot com 
Also affects ftp_put()
 [2018-11-20 10:21 UTC] remi@php.net 
Automatic comment on behalf of remi@remirepo.net
Revision: http://git.php.net/?p=php-src.git;a=commit;h=d9afc2f662587a042db38c8f0df98a27bfc89d29
Log: Fix #77151 ftp_close(): SSL_read on shutdown
 [2018-11-20 10:21 UTC] remi@php.net
-Status: Open +Status: Closed
 [2018-11-30 15:42 UTC] f dot bosch at genkgo dot nl 
We are also seeing this issue. It also involves ftp_put, instead of ftp_close. It is happening since the upgrade to 7.1.24 and seems therefore related to this issue.

PHP Warning:  ftp_fput(): SSL_read on shutdown: Connection reset by peer (104)

PHP Warning:  ftp_fput(): Data channel timed out due to not meeting the minimum bandwidth requirement.

PHP Warning:  ftp_close(): SSL_read on shutdown: Success (0)
 [2022-01-05 08:20 UTC] mariem dot chaa at gmail dot com 
I have same problem for ftp_mlsd , any suggestions please ?
 
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