Symbian3/SDK/Source/GUID-6BE03135-6192-5520-AE8F-80BDB3187259.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Wed, 31 Mar 2010 11:11:55 +0100
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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-6BE03135-6192-5520-AE8F-80BDB3187259" xml:lang="en"><title>User
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Prompt Service</title><shortdesc>According to the platform security model of the Symbian
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platform, any application connecting to a network must have the <codeph>NetworkServices</codeph> capability.
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All applications that have the <codeph>Networking service</codeph> capability
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must be signed. The Comms User Prompt Service (UPS) enables even the unsigned
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applications to access the network if user authorisation is provided. </shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>Any application that requires network access uses the <xref href="GUID-61E0CD76-A2E3-5066-84A8-146EECA8ADCD.dita">Socket
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Server</xref> API with the help of <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>
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<p>The target audience of this document is the device creators who write MCPR
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plug-ins. Symbian provides a reference plug-in for the device creators, which
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can be modified for customisation. The device creators implementing the comms
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user prompt service must have knowledge of the Comms Framework, for more information
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see Communications Framework. </p>
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<section id="GUID-A3C21466-DD7C-499A-B4A1-BF12883A06F1"><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 configured by Symbian developers. </p> </section>
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<section id="GUID-62F53D49-ABCD-471E-ACA1-68202294418D"><title>UPS server</title> <p>The UPS server generates the user prompts
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and responds back to the MCPR with the user selection. The dialog creator,
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a UPS plug-in, formats and streams the dialog box to the UPS server. The UPS
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server interacts with the User Interface (UI) and responds back to the MCPR. </p> <p>The
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UPS server is also responsible for checking the policy files which has the
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details of the process and the available options. </p> </section>
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<section id="GUID-E06196BB-BE7E-47D4-A465-C08FFFBC8DE3"><title>UPS integrations</title><p><b>Messaging server </b> </p><p>The
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Service UIDs used by the messaging server are:  </p><p><codeph>const TUid
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KUidPOPService = {0x2000BB68};</codeph></p><p><codeph>const TUid KUidIMAPService
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= {0x2000BB69};</codeph></p><p><codeph>const TUid KUidSMTPService = {0x2000BB6A}; </codeph></p><p><codeph>const
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TUid KUidSendAs2Service = {0x2000BB6B}; </codeph></p><p><codeph>const TUid
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KUidSMSService = {0x2000BB6C}; </codeph></p></section>
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<section id="GUID-AFFF0469-722D-4F3B-8407-EB7188CB1DE1"><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 id="GUID-CDA6684A-06A1-411C-A737-95B35829295F"><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 id="GUID-300CBACD-DAA1-43A0-BB8A-02323C0187B3"><title>See also</title> <p><xref href="GUID-DB827750-6057-537E-8FE1-8F68BF2E9F99.dita">Writing
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the UPS Policy File</xref>  </p> </section>
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</conbody></concept>