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= Use LDAP permissions in PostgreSQL
* http://github.com/larskanis/pg-ldap-sync
== DESCRIPTION:
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LDAP is often used for a centralized user and role management
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in an enterprise environment. PostgreSQL offers different
authentication methods, like LDAP, SSPI, GSSAPI or SSL.
However, for any method the user must already exist in the database,
before the authentication can be used. There is currently
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no direct authorization of database users on LDAP. So roles
and memberships has to be administered twice.
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This program helps to solve the issue by synchronizing users,
groups and their memberships from LDAP to PostgreSQL.
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Access to LDAP is used read-only. <tt>pg_ldap_sync</tt> issues proper
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CREATE ROLE, DROP ROLE, GRANT and REVOKE commands to synchronize
users and groups.
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It is meant to be started as a cron job.
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== FEATURES:
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* Configurable per YAML config file
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* Can use Active Directory as LDAP-Server
* Nested groups/roles supported
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* Set scope of considered users/groups on LDAP and PG side
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* Runs with pg.gem (C-library) or postgres-pr.gem (pure Ruby)
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* Test mode which doesn't do any changes to the DBMS
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* Both LDAP and PG connections can be secured by SSL/TLS
== REQUIREMENTS:
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* Ruby-1.8.7, Ruby-1.9.2, JRuby-1.2, Rubinius-1.2 or better
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* Rubygems-1.3.5+
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* LDAP-v3 server
* PostgreSQL-server v8.1+
== INSTALL:
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Install Ruby and rubygems:
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* on Windows: http://rubyinstaller.org
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* on Debian/Ubuntu: <tt>apt-get install ruby rubygems</tt>
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Install pg-ldap-sync and a database connector for PostgreSQL:
gem install pg-ldap-sync pg
You may also use the pure ruby postgres-connector which is less mature,
but doesn't need compilation:
gem install pg-ldap-sync postgres-pr
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=== Install from Git:
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git clone https://github.com/larskanis/pg-ldap-sync.git
cd pg-ldap-sync
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gem install hoe
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rake install_gem
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== USAGE:
Create a config file based on
{config/sample-config.yaml}[https://github.com/larskanis/pg-ldap-sync/blob/master/config/sample-config.yaml]
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or even better
{config/sample-config2.yaml}[https://github.com/larskanis/pg-ldap-sync/blob/master/config/sample-config2.yaml]
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Run in test-mode:
pg_ldap_sync -c my_config.yaml -vv -t
Run in modify-mode:
pg_ldap_sync -c my_config.yaml -vv
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== TEST:
There is a small test suite in the <tt>test</tt> directory that runs
against an internal ruby-ldapserver and PostgreSQL server. Ensure gem
<tt>ruby-ldapserver</tt> is installed and <tt>pg_ctl</tt>, <tt>initdb</tt> and <tt>psql</tt>
commands are in the <tt>PATH</tt>. Then:
cd pg-ldap-sync
rake test
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== ISSUES:
* There is currently no way to set certain user attributes in PG
based on individual attributes in LDAP (expiration date etc.)
== LICENSE:
(The MIT License)
Copyright (c) 2011 FIX
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
'Software'), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.