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4295 discussions

S/MIME encryption and signing plugin
by Владимир Горпенко 15 Jan '16

15 Jan '16

Hi! I've prepared my plugins for the first publication. You can (I hope) get .zip with all files by this link: https://drive.google.com/file/d/0BwmXNkLWgcmuZ1BSWThGek05ZDQ/view?usp=shari… It is my working version in which I added and translated comments. Respectively, it is made for Rcube v.1.1.3. In texts I kept some comments in Russian. Don't pay attention: always nearby there is their translation into English. I think that this option will allow to understand better work of a plug-in and possibility of its use in other projects. Soon I will begin work with the Rcube 1.2 version. As as I understand, in this version essential changes for encryption of mail are made, I would be very grateful to receive recommendations about application of my algorithms in the new RCube version. The README file contains more detailed comments to a plug-in. Best regards, Vladimir Gorpenko, Moscow

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S/MIME
by Владимир Горпенко 15 Jan '16

15 Jan '16

Hello! I have some questions about RCube (1.2) 1. rcube_message.php, lines 114-120 if (!empty($this->headers->structure)) { $this->get_mime_numbers($this->headers->structure); $this->parse_structure($this->headers->structure); } else { $this->body = $this->storage->get_body($uid); } Is that the whole body of unstructured (not multipart) message is stored in memory? When you use S/MIME an encrypted email is unstructured and can be large (tens of megabytes). Of course, if the message is decrypted before this place (for example, in rcube_imap) the appearance of large unstructured letters unlikely. 2. What for is the function get_part_content in rcube_message.php? This function gets part body from the storage object (i.e. imap object) and not exec hook 'message_part_body'. Will it cause problems in message decryption? 3. The same questions about get_body in rcube_storage.php. Also note that some plugins communicate directly with the rcube_imap, to get the text of the message part. 4. Yes, 'message_part_structure' can change the structure of the part of the message. But, function parse_structure in which is the challenge of this hook, not always called. I do not quite understand the logic of RC and I ask you to say whether the hook 'message_part_structure' will provide normal work in these situations: - S/MIME ecnrypted message is not multupart message. After decryption, it can be a multipart or not multipart message. - S/MIME signed message is usually a multipart message. After decryption, it can be a multipart or not multipart message. In both situations changing of part structure is not sufficient. 5. Some of message headers (Content*) have to be changed on decryption or sign verification. How it can be done? Best regards, Vladimir Gorpenko

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Cryptographic signatures for release tags or tarballs
by Guilhem Moulin 02 Jan '16

02 Jan '16

Hi there, Your download page lists the SHA256 checksums of the tarballs to let users verify the integrity of the downloaded file(s). To address a different threat model and offer integrity verification of cryptographic quality [0], please also consider signing your git tags (with ‘git tag --sign’), and/or provide detached cryptographic signatures for the future release tarballs. As far as Debian is concerned a detached OpenPGP signature would be preferable since our packaging tools can automatically download tarballs and cryptographically verify their integrity in one go. Assuming you have an OpenPGP key [1], an ASCII armored (.asc) detached signature can be generated with gpg --armor --detach-sign /path/to/roundcubemail-x.y.z.tar.gz Completely unrelated, please note that the “1.1.3 — Dependent” tarball includes moxieplayer.swf, while the last mention of moxieplayer in your changelog says “TinyMCE security issue: removed moxieplayer (embedding flv and mp4 is not supported anymore)”. Was it re-added by mistake? (Anyway that file is violates the DFSG and will be removed from the upcoming 1.1.3 Debian packages.) Thanks! Cheers, -- Guilhem. [0] Fair enough, your checksums are delivered over HTTPS. But an attacker breaking into your web server could fool us all. On the other hand cryptographic signatures raise the bar by far (assuming they are generated on the devs' platform). Furthermore OpenPGP is independent (and orthogonal) to the X.509 PKI in general, and to the CA cartel in particular, hence address a different threat model. [1] Otherwise there are numerous tutorials available online. The Debian project has its own on http://keyring.debian.org/creating-key.html .

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Hooks in plugin
by Владимир Горпенко 02 Jan '16

02 Jan '16

Hello! Is it correct to determine hooks in one plugin and use them from another plugin? I am concerned that the plugin object is constructed and desructed many times. What happens with defined in this object hooks when the object is destructed? Whether this will lead to errors, or a substantial decrease in performance? Vladimir Gorpenko

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Hooks
by Владимир Горпенко 02 Jan '16

02 Jan '16

Hello! 1. Is there any more recent information about hooks than http://trac.roundcube.net/wiki/Plugin_Hooks? In particular, I found the following hooks are not mentioned in this source: acl_rights_simple acl_rights_supported db_table_name error_page folder_create folder_delete folder_form folder_rename folder_update imap_init imap_search_before keep_alive managesieve_connect message_saved message_send_error password_change password_ldap_bind preferences_section_header secure_token template_object_$object unauthenticated user_delete user_delete_commit user_delete_prepare user_delete_rollback 2. What are the hooks can be used to completely replace the text and structure of the message for reading and quoting for a response? Yours faithfully, Vladimir

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Security Updates 1.1.4 and 1.0.8 released
by Thomas Bruederli 26 Dec '15

26 Dec '15

Dear Roundcube users We just published updates to both stable versions 1.0 and 1.1 delivering important bug fixes one of which seals a potential path traversal vulnerability [1] recently reported by High-Tech Bridge Security Research Lab. Although the vulnerability is not fully disclosed yet, the attack scenario requires an active Roundcube account as well as write privileges on the same host Roundcube is served from (without open_basedir protection). A second security improvement adds some measures against brute-force attacks. See the full changelog here: http://trac.roundcube.net/wiki/Changelog#RELEASE1.1.4 Both versions are considered stable and we recommend to update all productive installations of Roundcube with either of these versions. Download them from https://roundcube.net/download If you prefer to patch your installation for the path traversal vulnerability only, we also published patches on our download mirrors for versions 1.0 [2] and 1.1 [3]. As usual, don't forget to backup your data before updating! Thanks for all your support and happy new year! Thomas [1] https://www.htbridge.com/advisory/HTB23283 [2] https://sourceforge.net/projects/roundcubemail/files/roundcubemail/1.0.8/ [3] https://sourceforge.net/projects/roundcubemail/files/roundcubemail/1.1.4/

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kjhfsd
by Md Firoz Kabir 20 Dec '15

20 Dec '15

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Roundcube Webmail 1.2-beta out now
by Thomas Bruederli 23 Nov '15

23 Nov '15

We're proud to announce that the beta release of the next major version 1.2 of Roundcube webmail is out now for download and testing. With this milestone we introduce new features primarily focusing on security and PGP encryption: * PHP7 compatibility * PGP encryption * Drag-n-drop attachments from mail preview to compose window * Mail messages searching with predefined date interval * Improved security measures to protect from brute-force attacks And of course plenty of small improvements and bug fixes. The PGP encryption support in Roundcube comes with two options: Mailvelope -------------- The integration of this browser plugin [1] for Firefox and Chrome comes out of the box in Roundcube 1.2 and is enabled if the Mailvelope API is detected in a user's browser. See the Mailvelope documentation [2] how to enable it for your site. Read more about the Mailvelope integration and how this looks like in Alec's blog [3]. Enigma plugin ------------------- This Roundcube plugin adds server-side PGP encryption features to Roundcube. Enabling this means that users need to fully trust the webmail server as encryption is done on the server GnuPG and private keys are also stored there. In order to activate server-side PGP encryption for all your users, the 'enigma' plugin, which is shipped with this package, has to be enabled in the Roundcube config. See the plugin's README for details. Also read Alec's blogpost about the Enigma plugin and how it works [4]. Both encryption features are pretty new and not yet perfectly documented. We'd much appreciate your feedback and your contribution to the end-user documentation [5] or our wiki page [6]. IMPORTANT: with this version, we finally deprecate some old Roundcube library functions [7]. Plugin developers, please test your plugins thoroughly and look for deprecation warnings in the logs. These function will be removed in the final 1.2.0 release and can therefore render plugins dysfunctional. See the full changelog on trac.roundcube.net [8] and download the new packages from https://roundcube.net/download Please note that this is a beta release and we recommend to test it on a separate environment. And don't forget to backup your data before installing it! Enjoy and please share your experience either through our mailing lists or as comments in the blog posts mentioned above. Kind regards, Thomas [1] https://www.mailvelope.com [2] https://www.mailvelope.com/en/help#watchlist [3] https://kolabian.wordpress.com/2015/10/10/mailvelope-integration-pgp-encryp… [4] https://kolabian.wordpress.com/2015/10/13/enigma-plugin-pgp-encryption/ [5] http://trac.roundcube.net/wiki/Online_Help [6] http://trac.roundcube.net/wiki/Dev_Encryption [7] https://github.com/roundcube/roundcubemail/blob/master/program/include/bc.p… [8] http://trac.roundcube.net/wiki/Changelog

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Attachment names
by Andrea Brancatelli 12 Nov '15

12 Nov '15

Hello, sometimes our users report that their attachment filename are being butchered by Roundcube. We haven't been able to track down to a specific case, but I think this is somehow related to the filename having some extended character. We tried to reproduce it but I think it only happens with Windows, and we don't have windows machines here :) This is an example of how some filenames arrive into roundcube: UTF-8''ALLEGATO_4_Ufficio_Legislativo_Trasporti_Parere_n_%200.gif UTF-8''Delitti%20contro%20l%27ambiente%20-%20temi%20dell%27at For what it's worth, we did some investigation and the problem is not in the mail composition part, it's in the upload parsing part - in fact we have a plugin hooked on the upload handling and the upload() function is receiving $args['path'] already broken. Do you have any hint? Thanks. -- Andrea Brancatelli Schema31 S.p.a. Responsabile IT ROMA - BO - FI - PA ITALY Tel: +39. 06.98.358.472 Cell: +39 331.2488468 Fax: +39. 055.71.880.466 Società del Gruppo SC31 ITALIA

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roundcube caldav radicale
by Patrick Welche 09 Nov '15

09 Nov '15

Following up on a post to the users list "Recommended CalDAV/Calendering for RC": http://lists.roundcube.net/pipermail/users/2015-September/011144.html I tried and failed to figure out the current status of CalDAV in roundcube. It seems that success stories of roundcube -> caldav server tend to use a plugin from the now defunct myroundcube site. Talk of CalDAV from kolab seems to be about the server, so roundcube -> kolab using CalDAV (or "iRony"): https://kolab.org/news/2015/02/13/roadmap-kolab-3.1-irony-included Thing is, there is the tantalizing https://gitlab.awesome-it.de/kolab/roundcube-plugins.git though oddly, looking in its master branch, there is no plugins/calendar/drivers/caldav directory. So where should one look / are there any plans for a roundcube calendar plugin to talk to a standard issue caldav server? Cheers, Patrick

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