'Re: [SM-USERS] preg error in 1.4.20-RC2'

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List:       squirrelmail-users
Subject:    Re: [SM-USERS] preg error in 1.4.20-RC2
From:       Paul Lesniewski <paul () squirrelmail ! org>
Date:       2009-10-20 23:59:30
Message-ID: 58191e420910201659k5498e448jb158445f6878a04c () mail ! gmail ! com
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On Tue, Oct 20, 2009 at 2:54 PM, Scott Lambert <lambert@lambertfam.org> wrote:
> On, Sept 10th, at 16:56, Helmut Hullen wrote:
> > Hallo,
> > 
> > 
> > when I call "Ordner" (folders) all folders are shown, but under \
> > "export/ import" there are many lines with
> > 
> > 
> > Warning: preg_match() [function.preg-match]: Unknown modifier '/' in
> > /home/www/squirrelmail-1.4.20-RC2/functions/imap_mailbox.php on line 758
> > 
> > Warning: preg_match() [function.preg-match]: Unknown modifier '/' in \
> > /home/www/squirrelmail-1.4.20-RC2/functions/imap_mailbox.php on line 759
> > 
> > 
> > -------------------
> > 
> > Then follows the window with the available folders.
> > 
> > All other functions seem to work well.
> 
> I have just run into this myself.  I believe Helmut was referring to
> "UnSubscribe / Subscribe" when he mentions "export / import".  Perhaps
> that minor translation issue is part of the cause of lack of responses.

It's already fixed in 1.4.20SVN.

Cheers,

  Paul


> The error messages show in the Subscribe column, and I believe there is
> one entry for each folder I have on the server. (lots)
> 
> I am running Cyrus IMAPd with the unixhierseperator.  The folder
> delimiter is "/".  I am already subscribed to all of the folders.
> 
> --------
> Warning: preg_match() [function.preg-match]: Unknown modifier '/' in
> /usr/local/www/squirrelmail/functions/imap_mailbox.php on line 758
> ... (repeats hundreds of time) ...
> No folders were found to subscribe to!
> --------
> 
> /usr/local/www/squirrelmail/functions/imap_mailbox.php:
> -------
> 758:            if((preg_match('/^inbox'.quotemeta($delimiter).'/i', $mailbox)) ||
> 759:               (preg_match('/^'.$folder_prefix.'/', $mailbox)) ||
> 760:               ( isset($boxesallbyname[$parentfolder]) && \
>                 (strlen($parentfolder) > 0) ) ) {
> -------
> 
> I suspect Helmut may have $folder_prefix specified as something like
> "INBOX/" to get the error on line 759 as well as 758.
> 
> http://php.net/manual/en/function.quotemeta.php:
> -------
> string quotemeta  ( string $str  )
> 
> Returns a version of str with a backslash character (\) before every character that \
>                 is among these:
> . \ + * ? [ ^ ] ( $ )
> -------
> 
> That doesn't list "/" so I am wondering if that is the problem.
> 
> I wonder if it would be possible to choose a different regex
> delimiter(?) rather than "/". Something like "#", or something else
> which is not allowed as part of an IMAP mailbox name per the specs and
> reality.
> 
> I haven't checked to see what characters that would leave available.  I
> also don't have an install of squirrel mail which is not in production
> so I am afraid to test this suggestion without input from those who know
> more about the topic than I.
> 
> In other words:
> 758:            if((preg_match('#^inbox'.quotemeta($delimiter).'#i', $mailbox)) ||
> 759:               (preg_match('#^'.$folder_prefix.'#', $mailbox)) ||
> 760:               ( isset($boxesallbyname[$parentfolder]) && \
> (strlen($parentfolder) > 0) ) ) { 
> Thank you for your assistance.
> 
> FreeBSD 8.0-RC1 FreeBSD 8.0-RC1 #2: Fri Sep 18 20:12:14 CDT 2009
> root@localhost:/usr/obj/usr/src/sys/GENERIC  i386
> 
> apache-2.2.13       Version 2.2.x of Apache web server with prefork MPM.
> cyrus-imapd-2.3.15  The cyrus mail server, supporting POP3 and IMAP4 protocols
> cyrus-sasl-2.1.23   RFC 2222 SASL (Simple Authentication and Security Layer)
> mysql-client-5.1.39 Multithreaded SQL database (client)
> pcre-7.9            Perl Compatible Regular Expressions library
> pear-1.9.0          PEAR framework for PHP
> pear-DB-1.7.13,1    PEAR Database Abstraction Layer
> php5-5.2.11         PHP Scripting Language
> php5-ctype-5.2.11   The ctype shared extension for php
> php5-dom-5.2.11     The dom shared extension for php
> php5-filter-5.2.11  The filter shared extension for php
> php5-gettext-5.2.11 The gettext shared extension for php
> php5-hash-5.2.11    The hash shared extension for php
> php5-iconv-5.2.11   The iconv shared extension for php
> php5-imap-5.2.11    The imap shared extension for php
> php5-json-5.2.11    The json shared extension for php
> php5-mbstring-5.2.11 The mbstring shared extension for php
> php5-mcrypt-5.2.11  The mcrypt shared extension for php
> php5-mhash-5.2.11   The mhash shared extension for php
> php5-mysql-5.2.11   The mysql shared extension for php
> php5-openssl-5.2.11 The openssl shared extension for php
> php5-pcre-5.2.11    The pcre shared extension for php
> php5-pdo-5.2.11     The pdo shared extension for php
> php5-pdo_sqlite-5.2.11 The pdo_sqlite shared extension for php
> php5-posix-5.2.11   The posix shared extension for php
> php5-pspell-5.2.11  The pspell shared extension for php
> php5-session-5.2.11 The session shared extension for php
> php5-simplexml-5.2.11 The simplexml shared extension for php
> php5-spl-5.2.11     The spl shared extension for php
> php5-tokenizer-5.2.11 The tokenizer shared extension for php
> php5-xml-5.2.11     The xml shared extension for php
> php5-xmlreader-5.2.11 The xmlreader shared extension for php
> php5-xmlwriter-5.2.11 The xmlwriter shared extension for php
> squirrelmail-1.4.20.r2_1 A webmail system which accesses mail over IMAP
> squirrelmail-avelsieve-plugin-1.9.7_2 SquirrelMail plugin for Server-Side Mail \
> Filtering manageme squirrelmail-compatibility-plugin-2.0.14 Required by many \
> plugins for compatibility with SquirrelMai squirrelmail-email_footer-plugin-0.5_1 \
> Automatically appends footer to SquirrelMail-generated emai \
> squirrelmail-login_notes-plugin-1.2 Place notes on the login screen \
> squirrelmail-notes-plugin-1.2_1 Allows you to create notes \
> squirrelmail-notify-plugin-1.3_1 Notify when new mail arrives \
> squirrelmail-plugins-1.0_1 A "meta-port" to install SquirrelMail plugins \
> squirrelmail-pupdate-plugin-0.7_2 Checks for plugin updates by parsing the SM site \
> squirrelmail-quota_usage-plugin-1.3.1_1 View quota and current usage \
> squirrelmail-secure_login-plugin-1.4_1 This plugin will automatically turn on SSL \
> security during squirrelmail-timeout_user-plugin-1.1.1_2 Automatically logs a user \
> out if they're idle for a set amo squirrelmail-vlogin-plugin-3.10.1 Adds \
> multi-site-hosting capabilities to SquirrelMail \
> squirrelmail-web_search-plugin-0.1.6_1 Plugin for Websearch 

-- 
Paul Lesniewski
SquirrelMail Team
Please support Open Source Software by donating to SquirrelMail!
http://squirrelmail.org/donate_paul_lesniewski.php

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