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xfce:xfconf:start [2012/04/23 15:53]
nick
xfce:xfconf:start [2019/08/16 01:40]
kevinbowen
Line 1: Line 1:
 +~~NOTOC~~
 +
 ====== Configuration Storage System ====== ====== Configuration Storage System ======
  
Line 14: Line 16:
   * Channel: exampleapp, property: /​MAIN/​history-window/​last-accessed   * Channel: exampleapp, property: /​MAIN/​history-window/​last-accessed
  
-===== Kiosk Mode =====+===== Accessing Configuration Data =====
  
-The Xfconf ​daemon supports a so-called "kiosk mode" or "​lockdown mode" such that certain configuration properties or certain channels ​can be locked from user modification. ​ In this case, the locked values are provided by a system administrator in the form of a settings file (in the same format as the user's settings files) ​in a system read-only location.+Settings stored in Xfconf can be accessed ​in numerous ways:
  
 +  * From within applications of Settings Manager. Most of the time, settings stored in Xfconf and configuration options presented in the GUI are tightly coupled. It means that any action of the GUI settings is automatically and immediately propagated to the configuration system and vice-versa. See also: [[xfce:​xfce4-settings:​xfsettingsd|Settings Daemon]].
 +  * From Command Line Interface (CLI) using [[:​xfce:​xfconf:​xfconf-query:​|xfconf-query]].
 +  * From GUI. Settings, which are not exposed in configuration dialogs, can be browsed and manipulated using [[xfce:​xfce4-settings:​editor|Settings Editor]].
 +  * If everything else fails, settings can be edited manually. Xfconf stores all its data in [[xml-file-format|XML files]], which can be edited when Xfconf is not running. Be very careful when using this option, as it is easy to make the file unparseable or inconsistent.
  
 +===== Kiosk Mode =====
 +System administrators can lock certain values or entire channels to prevent users from changing them.  In this case, the administrator may provide default values that will be used regardless of what may appear in a user-writable configuration file.  If the sysadmin does not wish to provide values, but only wants to lock a channel/​property,​ the application'​s default fallback value will be used instead.
 +   
 +Locking a channel or property is as simple as creating a configuration file and setting either (and only either) the "​locked"​ or "​unlocked"​ attribute on <​channel>​ or <​property>​ elements that should be restricted. ​ This configuration file should be placed in a system location that is read by the daemon (see "File locations"​ above).
 +   
 +Both the "​locked"​ and "​unlocked"​ attributes take a semicolon-separated list of system user and group names. ​ User names should be entered as-is, and group names should be entered with an "​@"​ symbol prepended to the group name.
 +   
 +The "​locked"​ attribute specifies users and groups who may not modify the property. ​ The "​unlocked"​ attribute specifies users and groups who may modify the property, with other users locked out.  Only one of the two attributes may be specified for a particular channel or property. ​ If both are present, the "​unlocked"​ attribute is used, and the "​locked"​ attribute is ignored.
 +   
 +Note that <​channel>​ locking locks all properties under that channel, but <​property>​ locking locks only the property with the "​locked"​ or "​unlocked"​ attribute; none of the sub-properties are locked unless they also contain a "​locked"​ or "​unlocked"​ attribute.
  
-===== XML Markup (DTD) ===== +===== Reporting Bugs =====
- +
-  <?xml version="​1.0"​ encoding="​UTF-8"?>​ +
-   +
-  <​!ELEMENT channel property*>​ +
-  <​!ELEMENT property (property|value)*> ​ <!-- <​value>​ elems only allowed +
-                                            if type="​array"​ --> +
-  <​!ELEMENT value EMPTY> +
-   +
-  <​!ATTLIST channel name CDATA #​REQUIRED>​ +
-  <​!ATTLIST channel version CDATA #​REQUIRED> ​ <!-- currently "​1.0"​ --> +
-  <​!ATTLIST channel locked CDATA #​IMPLIED> ​   <!-- only one of these --> +
-  <​!ATTLIST channel unlocked CDATA #​IMPLIED> ​ <!-- two are allowed --> +
-   +
-  <​!ATTLIST property name CDATA #​REQUIRED>​ +
-  <​!ATTLIST property type (string|uchar|char|uint16|int16|uint|int|uint64|int64|float|double|bool|array|empty) #​REQUIRED>​ +
-  <​!ATTLIST property value CDATA #​IMPLIED> ​ <!-- not used if type="​array"​ +
-                                                 or type="​empty"​ --> +
-  <​!ATTLIST property locked CDATA #​IMPLIED> ​   <!-- only one of these --> +
-  <​!ATTLIST property unlocked CDATA #​IMPLIED> ​ <!-- two are allowed --> +
-   +
-  <​!ATTLIST value type (string|uchar|char|uint16|int16|uint|int|uint64|int64|float|double|bool) #​REQUIRED>​ +
-  <​!ATTLIST value value CDATA #​REQUIRED>​ +
  
 +  * **[[:​xfce:​xfconf:​bugs|Reporting Bugs]]** -- Open bug reports and how to report new bugs