mirror of
https://github.com/moparisthebest/xeps
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29bee13867
git-svn-id: file:///home/ksmith/gitmigration/svn/xmpp/trunk@320 4b5297f7-1745-476d-ba37-a9c6900126ab
115 lines
4.3 KiB
XML
115 lines
4.3 KiB
XML
<?xml version='1.0' encoding='UTF-8'?>
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<!DOCTYPE xep SYSTEM 'xep.dtd' [
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<!ENTITY % ents SYSTEM 'xep.ent'>
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%ents;
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]>
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<?xml-stylesheet type='text/xsl' href='xep.xsl'?>
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<xep>
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<header>
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<title>Software Version</title>
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<abstract>This specification provides canonical documentation of the existing 'jabber:iq:version' namespace currently used within the Jabber community.</abstract>
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&LEGALNOTICE;
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<number>0092</number>
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<status>Active</status>
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<type>Historical</type>
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<sig>Standards</sig>
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<dependencies>
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<spec>XMPP Core</spec>
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</dependencies>
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<supersedes/>
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<supersededby/>
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<shortname>iq-version</shortname>
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<schemaloc>
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<url>http://www.xmpp.org/schemas/iq-version.xsd</url>
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</schemaloc>
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&stpeter;
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<revision>
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<version>1.0</version>
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<date>2003-10-08</date>
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<initials>psa</initials>
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<remark>Per a vote of the Jabber Council, changed status to Active.</remark>
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</revision>
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<revision>
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<version>0.1</version>
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<date>2003-05-22</date>
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<initials>psa</initials>
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<remark>Initial version.</remark>
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</revision>
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</header>
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<section1 topic='Introduction'>
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<p>The Jabber protocols have long included a method for discovering version information about the software running at another entity's JID. This method makes use of the 'jabber:iq:version' namespace and has been documented variously in Internet-Drafts and elsewhere. Because this protocol is not required by &rfc2779;, the 'jabber:iq:version' namespace was removed from &xmppim;. This specification fills the void for canonical documentation.</p>
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</section1>
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<section1 topic='Definition'>
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<p>The 'jabber:iq:version' namespace provides a standard way for Jabber entities to exchange information about the software version used by the entities. The information is communicated in a request/response pair using an <iq/> element that contains a <query/> scoped by the 'jabber:iq:version' namespace. The following children of the <query/> are allowed in an IQ result:</p>
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<ul>
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<li><name/> -- The natural-language name of the software. This element is REQUIRED in a result.</li>
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<li><version/> -- The specific version of the software. This element is REQUIRED in a result.</li>
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<li><os/> -- The operating system of the queried entity. This element is OPTIONAL in a result.</li>
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</ul>
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</section1>
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<section1 topic='Examples'>
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<example caption='Querying Another Entity for its Software Version'><![CDATA[
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<iq
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type='get'
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from='romeo@montague.net/orchard'
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to='juliet@capulet.com/balcony'
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id='version_1'>
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<query xmlns='jabber:iq:version'/>
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</iq>
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]]></example>
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<example caption='Receiving a Reply Regarding Software Version'><![CDATA[
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<iq
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type='result'
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to='romeo@montague.net/orchard'
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from='juliet@capulet.com/balcony'
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id='version_1'>
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<query xmlns='jabber:iq:version'>
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<name>Exodus</name>
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<version>0.7.0.4</version>
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<os>Windows-XP 5.01.2600</os>
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</query>
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</iq>
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]]></example>
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<p>The standard error conditions described in &xep0086; apply (e.g., service unavailable if the entity does not support the namespace).</p>
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</section1>
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<section1 topic='Security Considerations'>
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<p>There are no security features or concerns related to this proposal.</p>
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</section1>
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<section1 topic='IANA Considerations'>
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<p>This document requires no interaction with &IANA;.</p>
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</section1>
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<section1 topic='XMPP Registrar Considerations'>
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<p>The 'jabber:iq:version' namespace is registered in the protocol namespaces registry maintained by the ®ISTRAR;.</p>
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</section1>
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<section1 topic='XML Schema'>
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<code><![CDATA[
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<?xml version='1.0' encoding='UTF-8'?>
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<xs:schema
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xmlns:xs='http://www.w3.org/2001/XMLSchema'
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targetNamespace='jabber:iq:version'
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xmlns='jabber:iq:version'
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elementFormDefault='qualified'>
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<xs:annotation>
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<xs:documentation>
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The protocol documented by this schema is defined in
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XEP-0092: http://www.xmpp.org/extensions/xep-0092.html
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</xs:documentation>
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</xs:annotation>
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<xs:element name='query'>
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<xs:complexType>
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<xs:sequence minOccurs='0'>
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<xs:element name='name' type='xs:string' minOccurs='1'/>
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<xs:element name='version' type='xs:string' minOccurs='1'/>
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<xs:element name='os' type='xs:string' minOccurs='0'/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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</xs:schema>
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]]></code>
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</section1>
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</xep>
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