Symbian3/PDK/Source/GUID-51FB640F-AD0E-5A1A-80C3-D7AA53B31A21.dita
author Graeme Price <GRAEME.PRICE@NOKIA.COM>
Fri, 15 Oct 2010 14:32:18 +0100
changeset 15 307f4279f433
parent 14 578be2adaf3e
permissions -rw-r--r--
Initial contribution of the Adaptation Documentation.
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-51FB640F-AD0E-5A1A-80C3-D7AA53B31A21" xml:lang="en"><title>Comms
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User Prompt Service</title><shortdesc> The Comms User Prompt Service (UPS) enables even unsigned applications
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to access the network if user authorisation is provided. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>According to the platform model of Symbian platform any application connecting
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to a network must have the <codeph>NetworkServices</codeph> capability. All
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applications that have the <codeph>Networking service</codeph> capability
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must be signed .</p>
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<p>The target audience of this document are the licensees who write <xref href="GUID-F43A54C0-E82B-5790-8493-1372D214C642.dita#GUID-F43A54C0-E82B-5790-8493-1372D214C642/GUID-2372FF88-FA59-5CDF-9362-1A54F43D8442">MCPR</xref> plug-ins.
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Symbian provides a <xref href="GUID-7BDC5FC0-15AD-56D3-BB64-C35F0C34A31F.dita">reference</xref> plug-in
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for the licensees, which can be modified for customisation. The licensees
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implementing the comms user prompt service must have knowledge of the Comms
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Framework, for more information see <xref href="GUID-8F2D6AC8-8357-55C7-970B-CD2684BA9B04.dita">Communications
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Framework</xref>. </p>
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<section><title>User Prompt Service (UPS)</title> <p>Any application that
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requires network access uses the <xref href="GUID-61E0CD76-A2E3-5066-84A8-146EECA8ADCD.dita">Socket
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Server</xref> API using <xref href="GUID-BED8A733-2ED7-31AD-A911-C1F4707C67FD.dita"><apiname>RConnection</apiname></xref> or <xref href="GUID-D4F08503-F1EF-3531-9C3C-4AF24A6255F0.dita"><apiname>RSocket</apiname></xref>.
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The platform security model checks the capability of the client application
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to access the network. The comms user prompt service is used to notify the
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user about the network access. The UPS feature enables applications without <codeph>NetworkServices</codeph> capability
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to access the network if the user authorises the connection. </p> </section>
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<section><title> User Prompt</title> <p>When comms UPS is implemented, the
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user is requested to authorise a network connection, when an application opens
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a new connection or when it attaches to an existing connection. The UPS prompts
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the user when an application tries to send data through a socket which is
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not explicitly associated with an authorised network connection. The IP network
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user prompt is implemented as an MCPR plug-in. The plug-in will invoke the
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UPS server. The UPS functionality can be <xref href="GUID-81238E98-755C-5E86-ADEA-6A675E058289.dita">configured</xref> by
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the developers. </p> </section>
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<section><title>Network Life Time</title> <p>When the comms user prompt service
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component is configured for Network session life time, user responds to a
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UPS dialog prompt by authorising the request with either '<codeph>Session
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Yes</codeph>' or '<codeph>Always</codeph>' response. Any other applications
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running in the same process of the user authorised application will be granted
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the network access. The UPS response for a particular process is valid for
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the duration of the network connection associated with the process. </p> </section>
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<section><title>Session Life Time</title> <p>When the comms user prompt service
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component is configured for Session life time, user responds to a UPS dialog
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prompt by authorising the request with either '<codeph>Session Yes</codeph>'
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or '<codeph>Always</codeph>' response. Any other applications running in the
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same process of the user authorised session will be granted network access
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for the duration of the process. </p> </section>
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<section><title>User Prompt Service Server</title> <p>The UPS server generates
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the user prompts and responds back to the MCPR with the user selection. The
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dialog creator, a UPS plug-in, formats and streams the dialog box to the UPS
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server. The UPS server interacts with the User Interface (UI) and responds
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back to the MCPR. </p> <p>The UPS server is also responsible for checking
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the policy files which has the details of the process and the available options. </p> </section>
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</conbody></concept>