mirror of https://github.com/moparisthebest/xeps
0.2
git-svn-id: file:///home/ksmith/gitmigration/svn/xmpp/trunk@2859 4b5297f7-1745-476d-ba37-a9c6900126ab
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Peter Saint-Andre
parent
73d4b25350
commit
a1133defad
60
xep-0260.xml
60
xep-0260.xml
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@ -24,6 +24,12 @@
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<discuss>jingle</discuss>
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&stpeter;
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&dmeyer;
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<revision>
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<version>0.2</version>
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<date>2009-03-09</date>
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<initials>psa</initials>
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<remark><p>Minor changes to track modifications to XEP-0166; updated security considerations for consistency with other transport methods; added section on service discovery.</p></remark>
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</revision>
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<revision>
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<version>0.1</version>
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<date>2009-02-19</date>
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@ -93,7 +99,7 @@ Romeo Juliet
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id='xn28s7gk'
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to='juliet@capulet.lit/balcony'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'>
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<jingle xmlns='urn:xmpp:jingle:1'>
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action='session-initiate'
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initiator='romeo@montague.lit/orchard'
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sid='a73sjjvkla37jfea'>
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@ -130,7 +136,7 @@ Romeo Juliet
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id='hwd987h'
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to='romeo@montague.lit/orchard'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'>
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<jingle xmlns='urn:xmpp:jingle:1'>
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action='session-accept'
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initiator='romeo@montague.lit/orchard'
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sid='a73sjjvkla37jfea'>
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@ -169,7 +175,7 @@ Romeo Juliet
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id='hjdi8'
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to='juliet@capulet.lit/balcony'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'>
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<jingle xmlns='urn:xmpp:jingle:1'>
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action='transport-info'
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initiator='romeo@montague.lit/orchard'
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sid='a73sjjvkla37jfea'>
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@ -200,7 +206,7 @@ Romeo Juliet
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id='hz81vf48'
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to='juliet@capulet.lit/balcony'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'
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<jingle xmlns='urn:xmpp:jingle:1'
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action='session-terminate'
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initiator='romeo@montague.lit/orchard'
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sid='a73sjjvkla37jfea'>
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@ -251,7 +257,7 @@ Romeo Juliet
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id='jingle1'
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to='juliet@capulet.lit/balcony'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'
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<jingle xmlns='urn:xmpp:jingle:1'
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action='session-initiate'
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initiator='romeo@montague.lit/orchard'
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sid='851ba2'>
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@ -285,7 +291,7 @@ Romeo Juliet
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id='hwd987h'
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to='romeo@montague.lit/orchard'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'>
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<jingle xmlns='urn:xmpp:jingle:1'>
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action='session-accept'
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initiator='romeo@montague.lit/orchard'
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sid='a73sjjvkla37jfea'>
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@ -324,7 +330,7 @@ Romeo Juliet
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id='jfd75jk'
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to='romeo@montague.lit/orchard'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'
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<jingle xmlns='urn:xmpp:jingle:1'
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action='transport-info'
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initiator='romeo@montague.lit/orchard'
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responder='juliet@capulet.lit/balcony'
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@ -352,7 +358,7 @@ Romeo Juliet
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id='hs92n57'
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to='juliet@capulet.lit/balcony'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'
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<jingle xmlns='urn:xmpp:jingle:1'
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action='transport-replace'
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initiator='romeo@montague.lit/orchard'
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sid='851ba2'>
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@ -377,7 +383,7 @@ Romeo Juliet
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id='is71ns63'
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to='romeo@montague.lit/orchard'
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type='set'>
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<jingle xmlns='urn:xmpp:jingle:0'
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<jingle xmlns='urn:xmpp:jingle:1'
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action='transport-accept'
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initiator='romeo@montague.lit/orchard'
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sid='851ba2'>
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@ -409,8 +415,42 @@ Romeo Juliet
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</ol>
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</section1>
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<section1 topic='Determining Support' anchor='support'>
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<p>To advertise its support for the Jingle SOCKS5 Bytestreams Transport Method, when replying to &xep0030; information requests an entity MUST return URNs for any version of this protocol that the entity supports -- e.g., "urn:xmpp:jingle:transports:s5b:0" for this version &VNOTE;.</p>
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<example caption="Service discovery information request"><![CDATA[
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<iq from='romeo@montague.lit/orchard'
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id='uw72g176'
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to='juliet@capulet.lit/balcony'
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type='get'>
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<query xmlns='http://jabber.org/protocol/disco#info'/>
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</iq>
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]]></example>
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<example caption="Service discovery information response"><![CDATA[
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<iq from='juliet@capulet.lit/balcony'
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id='uw72g176'
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to='romeo@montague.lit/orchard'
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type='result'>
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<query xmlns='http://jabber.org/protocol/disco#info'>
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<feature var='urn:xmpp:jingle:1'/>
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<feature var='urn:xmpp:jingle:transports:s5b:1'/>
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</query>
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</iq>
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]]></example>
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<p>In order for an application to determine whether an entity supports this protocol, where possible it SHOULD use the dynamic, presence-based profile of service discovery defined in &xep0115;. However, if an application has not received entity capabilities information from an entity, it SHOULD use explicit service discovery instead.</p>
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</section1>
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<section1 topic='Security Considerations' anchor='security'>
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<p>The same security considerations defined in XEP-0065 apply to the Jingle S5B Transport Method.</p>
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<section2 topic='Sharing IP Addresses' anchor='security-sharing'>
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<p>The exchange of StreamHosts might result in exposure of the sender's IP addresses, which comprise a form of personally identifying information. A Jingle client MUST enable a user to control which entities will be allowed to receive such information. If a human user explicitly accepts a session request, then the client SHOULD consider that action to imply approval of IP address sharing. However, waiting for a human user to explicitly accept the session request can result in delays during session setup, since it is more efficient to immediately begin sharing transport candidates. Therefore, it is RECOMMENDED for the client to immediately send transport candidates to a contact (without waiting for explicit user approval of the session request) in the following cases:</p>
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<ol>
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<li>The user has permanently and formally authorized the contact to view the user's presence information via a presence subscription as reflected in an XMPP roster item (see &xmppim;).</li>
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<li>The user has temporarily and dynamically shared presence with the contact via "directed presence" as described in <cite>RFC 3921</cite>.</li>
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<li>The user has explicitly added the contact to a "whitelist" of entities who are allowed to access the user's personally-identifying information.</li>
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</ol>
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</section2>
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<section2 topic='Encryption of Media' anchor='security-media'>
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<p>A Jingle implementation SHOULD support security preconditions that are enforced before application media is allowed to flow over the bytestream, such as those described in &xtls;.</p>
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</section2>
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</section1>
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<section1 topic='IANA Considerations' anchor='iana'>
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