security-and-privacy/ldapcherry
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ldapcherry/docs/deploy.rst
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Deploy
======
LdapCherry aims to be as simple as possible to deploy.
The Application is constituted of:
* ldapcherryd: the daemon to lauch LdapCherry.
* one ini file (ldapcherry.ini by default): the entry point for the configuration, containing all the "technical" attributes.
* two yaml files (roles.yml and attributes by default): the files containing the roles and attributes definition.
The default configuration directory is **/etc/ldapcherry/**.
Launch
------
LdapCherry is launched using the internal cherrypy server:
.. sourcecode:: bash
# ldapcherryd help
$ ldapcherryd -h
# launching ldapcherryd in the foreground
$ ldapcherryd -c /etc/ldapcherry/ldapcherry.ini
# launching ldapcherryd in the foreground in debug mode
$ ldapcherryd -c /etc/ldapcherry/ldapcherry.ini -D
# launching ldapcherryd as a daemon
$ ldapcherryd -c /etc/ldapcherry/ldapcherry.ini -p /var/run/ldapcherry/ldapcherry.pid -d
Roles and Attributes Configuration
----------------------------------
Entry point in main configuration
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The main configuration file (**ldapcherry.ini** by default) contains two parameters locating the roles and attributes configuration files:
+-----------------+------------+-------------------------------+-------------------+
| Parameter | Section | Description | Values |
+=================+============+===============================+===================+
| attributes.file | attributes | Attributes configuration file | Path to conf file |
+-----------------+------------+-------------------------------+-------------------+
| roles.file | roles | Roles configuration file | Path to conf file |
+-----------------+------------+-------------------------------+-------------------+
Attributes Configuration
~~~~~~~~~~~~~~~~~~~~~~~~
The attributes configuration is done in a yaml file (**attributes.yml** by default).
Mandatory parameters
^^^^^^^^^^^^^^^^^^^^
The mandatory parameters for an attribute, and their format are the following:
.. sourcecode:: yaml
<attr id>:
description: <Human readable description of the attribute> # (free text)
display_name: <Display name in LdapCherry forms> # (free text)
weight: <weight controlling the display order of the attributes, lower is first> # (integer)
type: <type of the attributes> # (in ['int', 'string', 'email', 'stringlist', 'fix'])
backends: # (list of backend attributes name)
- <backend id 1>: <backend 1 attribute name>
- <backend id 2>: <backend 2 attribute name>
.. warning::
<attr id> (the attribute id) must be unique, LdapCherry won't start if it's not.
.. warning::
<backend id> (the backend id) must be defined in main ini configuration file.
LdapCherry won't start if it's not.
Type stringlist values
^^^^^^^^^^^^^^^^^^^^^^
If **type** is set to **stringlist** the parameter **values** must be filled with the list of possible values:
.. sourcecode:: yaml
<attr id>:
description: <Human readable description of the attribute>
display_name: <Display name in LdapCherry forms>
weight: <weight controlling the display order of the attributes)
type: stringlist
values:
- value1
- value2
- value3
backends:
- <backend id>: <backend attribute name>
Key attribute:
^^^^^^^^^^^^^^
One attribute must be used as a unique key across all backends:
To set the key attribute, you must set **key** to **True** on this attribute.
Example:
.. sourcecode:: yaml
uid:
description: "UID of the user"
display_name: "UID"
search_displayed: True
key: True # defining the attribute as "key"
type: string
weight: 50
backends:
ldap: uid
ad: sAMAccountName
Authorize self modification
^^^^^^^^^^^^^^^^^^^^^^^^^^^
A user can modify some of his attributes (self modification).
In such case, the parameter **self** must set to **True**:
.. sourcecode:: yaml
<attr id>:
description: <Human readable description of the attribute>
display_name: <Display name in LdapCherry forms>
weight: <weight controlling the display order of the attributes)
type: <type of the attributes>
self: True
backends:
- <backend id 1>: <backend 1 attribute name>
- <backend id 2>: <backend 2 attribute name>
Autofill
^^^^^^^^
LdapCherry has the possibility to auto-fill fields from other fields,
to use this functionnality **autofill** must be set.
Example:
.. sourcecode:: yaml
gidNumber:
description: "Group ID Number of the user"
display_name: "GID Number"
weight: 70
type: int
autofill:
function: lcUidNumber # name of the function to call
args: # list of arguments
- $first-name #
- $name
- '10000'
- '40000'
backends:
ldap: gidNumber
Arguments of the **autofill** function work as follow:
* if argument starts with **$**, for example **$my_field**, the value of form input **my_field** will be passed to the function.
* otherwise, it will be treated as a fixed argument.
Available **autofill** functions:
* lcUid: generate 8 characters ascii uid from 2 other fields (first letter of the first field, 7 first letters of the second):
.. sourcecode:: yaml
autofill:
function: lcUid
args:
- $first-name
- $name
* lcDisplayName: concatenate two fields (with a space as separator):
.. sourcecode:: yaml
autofill:
function: lcDisplayName
args:
- $first-name
- $name
* lcMail: generate an email address from 2 other fields and a domain (<uid>+domain):
.. sourcecode:: yaml
autofill:
function: lcMail
args:
- $first-name
- $name
- '@example.com'
* lcUidNumber: generate an uid number from 2 other fields and between a minimum and maximum value:
.. sourcecode:: yaml
autofill:
function: lcUidNumber
args:
- $first-name
- $name
- '10000'
- '40000'
* lcHomeDir: generate an home directory from 2 other fields and a root (<root>+<uid>):
.. sourcecode:: yaml
autofill:
function: lcHomeDir
args:
- $first-name
- $name
- /home/
Roles Configuration
~~~~~~~~~~~~~~~~~~~
The roles configuration is done in a yaml file (**roles.yml** by default).
Mandatory parameters
^^^^^^^^^^^^^^^^^^^^
Roles are seen as an aggregate of groups:
.. sourcecode:: yaml
<role id>:
display_name: <role display name in LdapCherry>
description: <human readable role description>
backends_groups: # list of backends
<backend id 1>: # list of groups in backend
- <b1 group 1>
- <b1 group 2>
<backend id 2>:
- <b2 group 1>
- <b2 group 2>
.. warning:: <role id> must be unique, LdapCherry won't start if it's not
Defining LdapCherry Administrator role
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
At least one of the declared roles must be tagged to be LdapCherry administrators.
Doing so is done by setting **LC_admins** to **True** for the selected role:
.. sourcecode:: yaml
<role id>:
display_name: <Role display name in LdapCherry>
description: <human readable role description>
LC_admins: True
backends_groups: # list of backends
<backend id 1>: # list of groups in backend
- <b1 group 1>
- <b1 group 2>
<backend id 2>:
- <b2 group 1>
- <b2 group 2>
Nesting roles
^^^^^^^^^^^^^
LdapCherry handles roles nesting:
.. sourcecode:: yaml
parent_role:
display_name: Role parent
description: The parent role
backends_groups:
backend_id_1:
- b1_group_1
- b1_group_2
backend_id_2:
- b2_group_1
- b2_group_2
subroles:
child_role_1:
display_name: Child role 1
description: The first Child Role
backends_groups:
backend_id_1:
- b1_group_3
child_role_2:
display_name: Child role 2
description: The second Child Role
backends_groups:
backend_id_1:
- b1_group_4
In that case, child_role_1 and child_role_2 will contain all groups of parent_role plus their own specific groups.
Main Configuration
------------------
Webserver
~~~~~~~~~
LdapCherry uses the embedded http server of CherryPy, however it has some limitations:
* no listening on port 80/443 (unless run as root, which is strongly discourage)
* no https
The simpler way to properly deploy LdapCherry is to run it listening only on localhost
with a port above 1024 and put it behind an http server like nginx, apache or lighttpd
acting as a reverse http(s) proxy.
+---------------------+---------+------------------------------------+--------------------------+--------------------------------------------+
| Parameter | Section | Description | Values | Comment |
+=====================+=========+====================================+==========================+============================================+
| server.socket_host | global | Listening IP | IP on which to listen | Use '0.0.0.0' to listen on any interfaces. |
+---------------------+---------+------------------------------------+--------------------------+--------------------------------------------+
| server.socket_port | global | Listening Port | TCP Port | |
+---------------------+---------+------------------------------------+--------------------------+--------------------------------------------+
| server.thread_pool | global | Number of threads created | Number of threads | |
| | | by the CherryPy server | threads | |
+---------------------+---------+------------------------------------+--------------------------+--------------------------------------------+
| tools.staticdir.on | /static | Serve static files through | True, False | These files could be server directly by an |
| | | LdapCherry | | HTTP server for better performance. |
+---------------------+---------+------------------------------------+--------------------------+--------------------------------------------+
| tools.staticdir.dir | /static | Directory containing LdapCherry | Path to static resources | |
| | | static resources (js, css, img...) | | |
+---------------------+---------+------------------------------------+--------------------------+--------------------------------------------+
example:
.. sourcecode:: ini
[global]
# listing interface
server.socket_host = '127.0.0.1'
# port
server.socket_port = 8080
# number of threads
server.thread_pool = 8
# enable cherrypy static handling
# to comment if static content are handled otherwise
[/static]
tools.staticdir.on = True
tools.staticdir.dir = '/usr/share/ldapcherry/static/'
Backends
~~~~~~~~
Backends are configure in the **backends** section, the format is the following:
.. sourcecode:: ini
[backends]
# backend python module path
<backend id>.module = <python.module.path>
# display name of the backend in forms
<backend id>.display_name = <display name of the backend>
# parameters of the module instance for backend <backend id>.
<backend id>.<param> = <value>
It's possible to instanciate the same module several times.
Authentication and sessions
~~~~~~~~~~~~~~~~~~~~~~~~~~~
LdapCherry supports several authentication modes:
+------------------------+---------+---------------------+------------------------------------------------+---------------------------------+
| Parameter | Section | Description | Values | Comment |
+========================+=========+=====================+================================================+=================================+
| auth.mode | auth | Authentication mode | * 'and' (user must auth on all backends) | |
| | | | * 'or' (user must auth on one of the backends) | |
| | | | * 'none' (disable auth) | |
| | | | * 'custom' (use custom auth module) | |
+------------------------+---------+---------------------+------------------------------------------------+---------------------------------+
| auth.module | auth | Custom auth module | python class path to module | only used if auth.mode='custom' |
+------------------------+---------+---------------------+------------------------------------------------+---------------------------------+
| tools.sessions.timeout | global | Session timeout in | Number of minutes | |
| | | minutes | | |
+------------------------+---------+---------------------+------------------------------------------------+---------------------------------+
Different session backends can also be configured (see CherryPy documentation for details)
.. sourcecode:: ini
[global]
# session configuration
# activate session
tools.sessions.on = True
# session timeout in minutes
tools.sessions.timeout = 10
# file session storage(to use if multiple processes,
# default is in RAM and per process)
#tools.sessions.storage_type = "file"
# session
#tools.sessions.storage_path = "/var/lib/ldapcherry/sessions"
[auth]
# Auth mode
# * and: user must authenticate on all backends
# * or: user must authenticate on one of the backend
# * none: disable authentification
# * custom: custom authentification module (need auth.module param)
auth.mode = 'or'
# custom auth module to load
#auth.module = 'ldapcherry.auth.modNone'
Logging
~~~~~~~
LdapCherry has two loggers, one for errors and applicative actions (login, del/add, logout...) and one for access logs.
Each logger can be configured to log to syslog, file or be disabled.
Logging parameters:
+--------------------+---------+---------------------------------+-------------------------------------------------+----------------------------------------+
| Parameter | Section | Description | Values | Comment |
+====================+=========+=================================+=================================================+========================================+
| log.access_handler | global | Logger type for access log | 'syslog', 'file', 'none' | |
+--------------------+---------+---------------------------------+-------------------------------------------------+----------------------------------------+
| log.error_handler | global | Logger type for applicative log | 'syslog', 'file', 'none' | |
+--------------------+---------+---------------------------------+-------------------------------------------------+----------------------------------------+
| log.access_file | global | log file for access log | path to log file | only used if log.access_handler='file' |
+--------------------+---------+---------------------------------+-------------------------------------------------+----------------------------------------+
| log.error_file | global | log file for applicative log | path to log file | only used if log.error_handler='file' |
+--------------------+---------+---------------------------------+-------------------------------------------------+----------------------------------------+
| log.level | global | log level of LdapCherry | 'debug', 'info', 'warning', 'error', 'critical' | |
+--------------------+---------+---------------------------------+-------------------------------------------------+----------------------------------------+
Example:
.. sourcecode:: ini
[global]
# logger syslog for access log
log.access_handler = 'syslog'
# logger syslog for error and ldapcherry log
log.error_handler = 'syslog'
# log level
log.level = 'info'
Custom javascript
~~~~~~~~~~~~~~~~~
It's possible to add custom javascript to LdapCherry, mainly to add custom autofill functions.
Configuration:
+---------------------+---------+--------------------------------+--------------------------+------------------------------------------------------------+
| Parameter | Section | Description | Values | Comment |
+=====================+=========+================================+==========================+============================================================+
| tools.staticdir.on | /custom | Serve custom js files through | True, False | These files could be server directly by an |
| | | LdapCherry | | HTTP server for better performance. |
+---------------------+---------+--------------------------------+--------------------------+------------------------------------------------------------+
| tools.staticdir.dir | /custom | Directory containing custom js | Path to static resources | * custom js files must be put at the root if the directory |
| | | files | | * only files ending with ".js" are taken into account |
+---------------------+---------+--------------------------------+--------------------------+------------------------------------------------------------+
Other LdapCherry parameters
~~~~~~~~~~~~~~~~~~~~~~~~~~~
+---------------+-----------+--------------------------------+------------------------+
| Parameter | Section | Description | Values |
+===============+===========+================================+========================+
| template_dir | resources | LdapCherry template directory | path to template dir |
+---------------+-----------+--------------------------------+------------------------+
.. sourcecode:: ini
# resources parameters
[resources]
# templates directory
template_dir = '/usr/share/ldapcherry/templates/'
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