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365 lines
12 KiB
Plaintext
365 lines
12 KiB
Plaintext
-----------------------------------------------------------------------
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Password Plugin for Roundcube
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-----------------------------------------------------------------------
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Plugin that adds a possibility to change user password using many
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methods (drivers) via Settings/Password tab.
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-----------------------------------------------------------------------
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see http://www.gnu.org/licenses/.
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@author Aleksander Machniak <alec@alec.pl>
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@author <see driver files for driver authors>
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-----------------------------------------------------------------------
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1. Configuration
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2. Drivers
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2.1. Database (sql)
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2.2. Cyrus/SASL (sasl)
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2.3. Poppassd/Courierpassd (poppassd)
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2.4. LDAP (ldap)
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2.5. DirectAdmin Control Panel (directadmin)
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2.6. cPanel (cpanel)
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2.7. XIMSS/Communigate (ximms)
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2.8. Virtualmin (virtualmin)
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2.9. hMailServer (hmail)
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2.10. PAM (pam)
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2.11. Chpasswd (chpasswd)
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2.12. LDAP - no PEAR (ldap_simple)
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2.13. XMail (xmail)
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2.14. Pw (pw_usermod)
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2.15. domainFACTORY (domainfactory)
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2.16. DBMail (dbmail)
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2.17. Expect (expect)
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2.18. Samba (smb)
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2.19. Vpopmail daemon (vpopmaild)
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2.20. Plesk (Plesk RPC-API)
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2.21. Kpasswd
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3. Driver API
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4. Sudo setup
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1. Configuration
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----------------
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Copy config.inc.php.dist to config.inc.php and set the options as described
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within the file.
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2. Drivers
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----------
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Password plugin supports many password change mechanisms which are
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handled by included drivers. Just pass driver name in 'password_driver' option.
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2.1. Database (sql)
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-------------------
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You can specify which database to connect by 'password_db_dsn' option and
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what SQL query to execute by 'password_query'. See config.inc.php.dist file for
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more info.
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Example implementations of an update_passwd function:
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- This is for use with LMS (http://lms.org.pl) database and postgres:
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CREATE OR REPLACE FUNCTION update_passwd(hash text, account text) RETURNS integer AS $$
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DECLARE
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res integer;
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BEGIN
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UPDATE passwd SET password = hash
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WHERE login = split_part(account, '@', 1)
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AND domainid = (SELECT id FROM domains WHERE name = split_part(account, '@', 2))
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RETURNING id INTO res;
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RETURN res;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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- This is for use with a SELECT update_passwd(%o,%c,%u) query
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Updates the password only when the old password matches the MD5 password
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in the database
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CREATE FUNCTION update_password (oldpass text, cryptpass text, user text) RETURNS text
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MODIFIES SQL DATA
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BEGIN
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DECLARE currentsalt varchar(20);
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DECLARE error text;
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SET error = 'incorrect current password';
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SELECT substring_index(substr(user.password,4),_latin1'$',1) INTO currentsalt FROM users WHERE username=user;
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SELECT '' INTO error FROM users WHERE username=user AND password=ENCRYPT(oldpass,currentsalt);
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UPDATE users SET password=cryptpass WHERE username=user AND password=ENCRYPT(oldpass,currentsalt);
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RETURN error;
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END
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Example SQL UPDATEs:
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- Plain text passwords:
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UPDATE users SET password=%p WHERE username=%u AND password=%o AND domain=%h LIMIT 1
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- Crypt text passwords:
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UPDATE users SET password=%c WHERE username=%u LIMIT 1
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- Use a MYSQL crypt function (*nix only) with random 8 character salt
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UPDATE users SET password=ENCRYPT(%p,concat(_utf8'$1$',right(md5(rand()),8),_utf8'$')) WHERE username=%u LIMIT 1
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- MD5 stored passwords:
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UPDATE users SET password=MD5(%p) WHERE username=%u AND password=MD5(%o) LIMIT 1
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2.2. Cyrus/SASL (sasl)
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----------------------
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Cyrus SASL database authentication allows your Cyrus+Roundcube
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installation to host mail users without requiring a Unix Shell account!
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This driver only covers the "sasldb" case when using Cyrus SASL. Kerberos
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and PAM authentication mechanisms will require other techniques to enable
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user password manipulations.
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Cyrus SASL includes a shell utility called "saslpasswd" for manipulating
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user passwords in the "sasldb" database. This plugin attempts to use
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this utility to perform password manipulations required by your webmail
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users without any administrative interaction. Unfortunately, this
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scheme requires that the "saslpasswd" utility be run as the "cyrus"
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user - kind of a security problem since we have chosen to SUID a small
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script which will allow this to happen.
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This driver is based on the Squirrelmail Change SASL Password Plugin.
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See http://www.squirrelmail.org/plugin_view.php?id=107 for details.
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Installation:
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Change into the helpers directory. Edit the chgsaslpasswd.c file as is
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documented within it.
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Compile the wrapper program:
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gcc -o chgsaslpasswd chgsaslpasswd.c
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Chown the compiled chgsaslpasswd binary to the cyrus user and group
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that your browser runs as, then chmod them to 4550.
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For example, if your cyrus user is 'cyrus' and the apache server group is
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'nobody' (I've been told Redhat runs Apache as user 'apache'):
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chown cyrus:nobody chgsaslpasswd
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chmod 4550 chgsaslpasswd
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Stephen Carr has suggested users should try to run the scripts on a test
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account as the cyrus user eg;
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su cyrus -c "./chgsaslpasswd -p test_account"
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This will allow you to make sure that the script will work for your setup.
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Should the script not work, make sure that:
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1) the user the script runs as has access to the saslpasswd|saslpasswd2
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file and proper permissions
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2) make sure the user in the chgsaslpasswd.c file is set correctly.
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This could save you some headaches if you are the paranoid type.
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2.3. Poppassd/Courierpassd (poppassd)
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-------------------------------------
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You can specify which host to connect to via 'password_pop_host' and
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what port via 'password_pop_port'. See config.inc.php.dist file for more info.
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2.4. LDAP (ldap)
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----------------
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See config.inc.php.dist file. Requires PEAR::Net_LDAP2 package.
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2.5. DirectAdmin Control Panel (directadmin)
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--------------------------------------------
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You can specify which host to connect to via 'password_directadmin_host' (don't
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forget to use tcp:// or ssl://) and what port via 'password_direactadmin_port'.
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The password enforcement with plenty customization can be done directly by
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DirectAdmin, please see http://www.directadmin.com/features.php?id=910
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See config.inc.php.dist file for more info.
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2.6. cPanel (cpanel)
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--------------------
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Install cPanel XMLAPI Client Class into Roundcube program/lib directory
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or any other place in PHP include path. You can get the class from
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https://raw.github.com/CpanelInc/xmlapi-php/master/xmlapi.php
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You can configure parameters for connection to cPanel's API interface.
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See config.inc.php.dist file for more info.
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2.7. XIMSS/Communigate (ximms)
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------------------------------
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You can specify which host and port to connect to via 'password_ximss_host'
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and 'password_ximss_port'. See config.inc.php.dist file for more info.
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2.8. Virtualmin (virtualmin)
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----------------------------
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As in sasl driver this one allows to change password using shell
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utility called "virtualmin". See helpers/chgvirtualminpasswd.c for
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installation instructions. See also config.inc.php.dist file.
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2.9. hMailServer (hmail)
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------------------------
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Requires PHP COM (Windows only). For access to hMail server on remote host
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you'll need to define 'hmailserver_remote_dcom' and 'hmailserver_server'.
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See config.inc.php.dist file for more info.
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2.10. PAM (pam)
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---------------
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This driver is for changing passwords of shell users authenticated with PAM.
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Requires PECL's PAM exitension to be installed (http://pecl.php.net/package/PAM).
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2.11. Chpasswd (chpasswd)
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-------------------------
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Driver that adds functionality to change the systems user password via
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the 'chpasswd' command. See config.inc.php.dist file.
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Attached wrapper script (helpers/chpass-wrapper.py) restricts password changes
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to uids >= 1000 and can deny requests based on a blacklist.
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2.12. LDAP - no PEAR (ldap_simple)
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-----------------------------------
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It's rewritten ldap driver that doesn't require the Net_LDAP2 PEAR extension.
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It uses directly PHP's ldap module functions instead (as Roundcube does).
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This driver is fully compatible with the ldap driver, but
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does not require (or uses) the
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$config['password_ldap_force_replace'] variable.
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Other advantages:
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* Connects only once with the LDAP server when using the search user.
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* Does not read the DN, but only replaces the password within (that is
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why the 'force replace' is always used).
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2.13. XMail (xmail)
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-----------------------------------
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Driver for XMail (www.xmailserver.org). See config.inc.php.dist file
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for configuration description.
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2.14. Pw (pw_usermod)
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-----------------------------------
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Driver to change the systems user password via the 'pw usermod' command.
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See config.inc.php.dist file for configuration description.
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2.15. domainFACTORY (domainfactory)
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-----------------------------------
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Driver for the hosting provider domainFACTORY (www.df.eu).
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No configuration options.
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2.16. DBMail (dbmail)
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-----------------------------------
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Driver that adds functionality to change the users DBMail password.
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It only works with dbmail-users on the same host where Roundcube runs
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and requires shell access and gcc in order to compile the binary
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(see instructions in chgdbmailusers.c file).
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See config.inc.php.dist file for configuration description.
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Note: DBMail users can also use sql driver.
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2.17. Expect (expect)
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-----------------------------------
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Driver to change user password via the 'expect' command.
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See config.inc.php.dist file for configuration description.
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2.18. Samba (smb)
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-----------------------------------
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Driver to change Samba user password via the 'smbpasswd' command.
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See config.inc.php.dist file for configuration description.
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2.19. Vpopmail daemon (vpopmaild)
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-----------------------------------
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Driver for the daemon of vpopmail. Vpopmail is used with qmail to
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enable virtual users that are saved in a database and not in /etc/passwd.
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Set $config['password_vpopmaild_host'] to the host where vpopmaild runs.
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Set $config['password_vpopmaild_port'] to the port of vpopmaild.
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Set $config['password_vpopmaild_timeout'] to the timeout used for the TCP
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connection to vpopmaild (You may want to set it higher on busy servers).
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2.20. Plesk (Plesk RPC-API)
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---------------------------
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Driver for changing Passwords via Plesk RPC-API. This Driver also works with
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Parallels Plesk Automation (PPA).
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You need to allow the IP of the Roundcube-Server for RPC-Calls in the Panel.
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Set $config['password_plesk_host'] to the Hostname / IP where Plesk runs
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Set your Admin or RPC User: $config['password_plesk_user']
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Set the Password of the User: $config['password_plesk_pass']
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Set $config['password_plesk_rpc_port'] for the RPC-Port. Usually its 8443
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Set the RPC-Path in $config['password_plesk_rpc_path']. Normally this is: enterprise/control/agent.php.
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2.21. Kpasswd
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-----------------------------------
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Driver to change the password in Kerberos environments via the 'kpasswd' command.
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See config.inc.php.dist file for configuration description.
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3. Driver API
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-------------
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Driver file (<driver_name>.php) must define rcube_<driver_name>_password class
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with public save() method that has two arguments. First - current password, second - new password.
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This method should return PASSWORD_SUCCESS on success or any of PASSWORD_CONNECT_ERROR,
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PASSWORD_CRYPT_ERROR, PASSWORD_ERROR when driver was unable to change password.
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Extended result (as a hash-array with 'message' and 'code' items) can be returned
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too. See existing drivers in drivers/ directory for examples.
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4. Sudo setup
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-------------
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Some drivers that execute system commands (like chpasswd) require use of sudo command.
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Here's a sample for CentOS 7:
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# cat <<END >/etc/sudoers.d/99-roundcubemail
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apache ALL=NOPASSWD:/usr/sbin/chpasswd
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Defaults:apache !requiretty
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<<END
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Note: on different systems the username (here 'apache') may be different, e.g. www.
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Note: on some systems the disabling tty line may not be needed.
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