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Request #47253 IMAP connection throws notices on failure which are not suppressed even by @
Submitted: 2009-01-30 21:29 UTC Modified: 2011-04-08 20:43 UTC
Votes:10
Avg. Score:4.2 ± 0.7
Reproduced:10 of 10 (100.0%)
Same Version:1 (10.0%)
Same OS:3 (30.0%)
From: bernie at dcbl dot ca Assigned:
Status: Open Package: IMAP related
PHP Version: 5.2.8 OS: Gentoo Linux
Private report: No CVE-ID: None
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From: bernie at dcbl dot ca
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 [2009-01-30 21:29 UTC] bernie at dcbl dot ca
Description:
------------
IMAP connection throws notices on failure which are not suppressed even 
by @

Notice: Unknown: Retrying PLAIN authentication after Login failed. 
(errflg=1) in Unknown on line 0

Notice: Unknown: Retrying PLAIN authentication after Login failed. 
(errflg=1) in Unknown on line 0

Notice: Unknown: Can not authenticate to IMAP server: Login failed. 
(errflg=2) in Unknown on line 0<

when IMAP command fails, the follow errors are returned and can not be 
suppressed, by changing log status or by using @ infront of the lines

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

$mailbox = 'INBOX';
$username = 'emaildoesntexist@example.org';
$password = 'orpasswordnotcorrect';

imap_open ($mailbox, $username, $password);

// regardless of log settings, assuming the imap account is invalid,
// errors are returned to the client 

?>

Expected result:
----------------
should be able to stop errors from being returned to client
should listed to logging levels

Actual result:
--------------
errors are returned to webuser
changing log levels does not affect it

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 [2011-04-08 20:43 UTC] jani@php.net
-Package: Feature/Change Request +Package: IMAP related
 [2016-03-16 15:49 UTC] sebastian at krebs dot one
Still an issue.

This is related to other kinds of issues with imap_open() or even all imap_*() functions

Trying to connect to an imap-server with /secure, which doesn't support it


----
PHP Notice:  Unknown: Can't do secure authentication with this server (errflg=2) in Unknown on line 0
 [2016-03-16 15:56 UTC] sebastian at krebs dot one
I just found this

https://github.com/php/php-src/blob/b402da28a1d89692f555ce5ef1e191fdd3a943b9/ext/imap/php_imap.c#L1076

On shutdown the imap extension just prints out every remaining error. Thats annoying

- You cannot intercept it
- At that point I'm probably not interested in this issue anymore
- imap_last_error() does _not_ remove errors from the error buffer



As a workaround simply call imap_errors() to clear the error cache. That should be at least documented somewhere.
 
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