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/*
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* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: NAT/Firewall handler for VoIP XML processor
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*
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*/
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#include <centralrepository.h>
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#include <unsafprotocolsinternalcrkeys.h>
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#include "voipxmlutils.h"
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#include "voipxmlnatfwhandler.h"
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#include "voipxmlprocessorlogger.h"
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//#include "voipxmlprocessordefaults.h"
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// ---------------------------------------------------------------------------
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// CVoipXmlNatFwHandler::CVoipXmlNatFwHandler
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// ---------------------------------------------------------------------------
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//
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CVoipXmlNatFwHandler::CVoipXmlNatFwHandler()
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{
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}
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// ---------------------------------------------------------------------------
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// CVoipXmlNatFwHandler::NewL
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// ---------------------------------------------------------------------------
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//
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CVoipXmlNatFwHandler* CVoipXmlNatFwHandler::NewL()
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{
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CVoipXmlNatFwHandler* self = new ( ELeave ) CVoipXmlNatFwHandler;
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop( self );
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return self;
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}
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// ---------------------------------------------------------------------------
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// CVoipXmlNatFwHandler::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CVoipXmlNatFwHandler::ConstructL()
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{
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iDomain = HBufC8::NewL( KMaxNodeValueLength );
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iStunSrvAddr = HBufC8::NewL( KMaxNodeValueLength );
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iStunSrvUsername = HBufC8::NewL( KMaxNodeValueLength );
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iStunSrvPassword = HBufC8::NewL( KMaxNodeValueLength );
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iNatProtocol = HBufC8::NewL( KMaxNodeValueLength );
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iNatProtocol->Des().Copy( KDefaultNatProtocol );
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iStunSrvPort = KDefaultStunServerPort;
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iTcpRefreshInterval = KDefaultTcpRefreshInterval;
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iUdpRefreshInterval = KDefaultUdpRefreshInterval;
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iStartPortRange = KDefaultStartPortRange;
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iEndPortRange = KDefaultEndPortRange;
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iCurrentAdditionalStunServer.iStunSrvPort = KDefaultStunServerPort;
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}
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// ---------------------------------------------------------------------------
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// CVoipXmlNatFwHandler::~CVoipXmlNatFwHandler
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// ---------------------------------------------------------------------------
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//
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CVoipXmlNatFwHandler::~CVoipXmlNatFwHandler()
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{
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delete iDomain;
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delete iStunSrvAddr;
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delete iStunSrvUsername;
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delete iStunSrvPassword;
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delete iNatProtocol;
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iAdditionalStunServers.ResetAndDestroy();
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iAdditionalStunServers.Close();
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}
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// ---------------------------------------------------------------------------
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// Sets a NAT/Firewall setting.
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// ---------------------------------------------------------------------------
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//
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void CVoipXmlNatFwHandler::SetSetting( TInt aType, TInt aParam,
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const TDesC8& aValue )
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{
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// Ignore too long descriptors.
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if ( KMaxNodeValueLength < aValue.Length() )
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{
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return;
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}
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TInt intVal( KErrNotFound );
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switch ( aParam )
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{
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case EDomain:
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{
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iDomain->Des().Copy( aValue );
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iSettingsSet = ETrue;
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break;
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}
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case EUri:
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{
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//lint -e{960} No need for else statement here
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if ( ENatFw == aType )
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{
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iStunSrvAddr->Des().Copy( aValue );
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iSettingsSet = ETrue;
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}
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else if ( EAdditionalStun == aType )
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{
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iCurrentAdditionalStunServer.iStunSrvAddr.Copy( aValue );
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iSettingsSet = ETrue;
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}
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break;
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}
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case EPort:
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{
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//lint -e{960} No need for else statement here
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if ( ENatFw == aType && KErrNone == VoipXmlUtils::Des8ToInt(
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aValue, intVal ) )
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{
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iStunSrvPort = intVal;
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iSettingsSet = ETrue;
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}
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else if ( EAdditionalStun == aType &&
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KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iCurrentAdditionalStunServer.iStunSrvPort = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case ETcpRefreshInterval:
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{
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if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iTcpRefreshInterval = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case EUdpRefreshInterval:
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{
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if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iUdpRefreshInterval = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case ECrlfRefresh:
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{
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if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iCrlfRefresh = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case EUsername:
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{
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//lint -e{960} No need for else statement here
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if ( ENatFw == aType )
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{
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iStunSrvUsername->Des().Copy( aValue );
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iSettingsSet = ETrue;
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}
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else if ( EAdditionalStun == aType )
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{
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iCurrentAdditionalStunServer.iStunSrvUsername.Copy( aValue );
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iSettingsSet = ETrue;
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}
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break;
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}
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case EPassword:
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{
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//lint -e{960} No need for else statement here
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if ( ENatFw == aType )
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{
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iStunSrvPassword->Des().Copy( aValue );
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iSettingsSet = ETrue;
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}
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else if ( EAdditionalStun == aType )
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{
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iCurrentAdditionalStunServer.iStunSrvPassword.Copy( aValue );
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iSettingsSet = ETrue;
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}
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break;
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}
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case EStunSharedSecret:
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{
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if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iStunSharedSecret = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case EStartPort:
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{
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if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iStartPortRange = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case EEndPort:
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{
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if ( KErrNone == VoipXmlUtils::Des8ToInt( aValue, intVal ) )
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{
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iEndPortRange = intVal;
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iSettingsSet = ETrue;
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}
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break;
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}
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case EType:
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{
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iNatProtocol->Des().Copy( aValue );
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break;
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}
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default:
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break;
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}
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}
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// ---------------------------------------------------------------------------
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// Stores settings to Central Repository.
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// ---------------------------------------------------------------------------
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//
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TInt CVoipXmlNatFwHandler::StoreSettings()
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{
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if ( !iSettingsSet )
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{
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// No settings to be stored => method not supported.
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return KErrNotSupported;
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}
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TRAPD( err, StoreSettingsL() );
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if ( KErrNone != err )
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{
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err = KErrCompletion;
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}
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return err;
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}
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// ---------------------------------------------------------------------------
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// Appends currently modified additional STUN server to internal array.
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// ---------------------------------------------------------------------------
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//
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void CVoipXmlNatFwHandler::SettingsEnd( TInt aType )
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{
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if ( EAdditionalStun == aType )
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{
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TAdditionalStun* temp = new TAdditionalStun;
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temp->iStunSrvAddr.Copy( iCurrentAdditionalStunServer.iStunSrvAddr );
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temp->iStunSrvPort = iCurrentAdditionalStunServer.iStunSrvPort;
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temp->iStunSrvUsername.Copy(
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iCurrentAdditionalStunServer.iStunSrvUsername );
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temp->iStunSrvPassword.Copy(
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iCurrentAdditionalStunServer.iStunSrvPassword );
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iAdditionalStunServers.Append( temp );
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iCurrentAdditionalStunServer.iStunSrvAddr.Copy( KNullDesC8 );
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iCurrentAdditionalStunServer.iStunSrvPort = KDefaultStunServerPort;
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iCurrentAdditionalStunServer.iStunSrvUsername.Copy( KNullDesC8 );
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iCurrentAdditionalStunServer.iStunSrvPassword.Copy( KNullDesC8 );
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}
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}
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// ---------------------------------------------------------------------------
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// Commits Central Repository storage.
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// ---------------------------------------------------------------------------
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//
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void CVoipXmlNatFwHandler::StoreSettingsL()
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{
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CRepository* rep = CRepository::NewLC( KCRUidUNSAFProtocols ); // CS:1
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RArray<TUint32> keys;
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CleanupClosePushL( keys ); // CS:2
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// Get next free Domain key.
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rep->FindL( KUNSAFProtocolsDomainMask,
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KUNSAFProtocolsFieldTypeMask, keys );
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TInt keyCount = keys.Count();
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TInt tmp = 0;
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if ( !keyCount )
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{
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tmp = KUNSAFProtocolsDomainTableMask;
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}
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else
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{
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tmp = keys[keyCount - 1] + 1;
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}
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rep->FindEqL( KUNSAFProtocolsDomainMask, KUNSAFProtocolsFieldTypeMask,
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iDomain->Des(), keys );
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if ( keys.Count() )
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{
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tmp = keys[0];
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}
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TUint32 currentKey = tmp|KUNSAFProtocolsDomainMask;
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currentKey &= KUNSAFProtocolsKeyMask;
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TUint32 currentDomainKey = tmp|KUNSAFProtocolsFieldTypeMask;
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currentDomainKey ^= KUNSAFProtocolsFieldTypeMask;
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TUint32 stunKey = KUNSAFProtocolsSubTableFieldTypeMask;
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stunKey ^= KUNSAFProtocolsSubTableFieldTypeMask;
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stunKey |= currentDomainKey;
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// Delete all existing additional STUN servers if there are any.
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RArray<TUint32> stunKeys;
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CleanupClosePushL( stunKeys ); // CS:3
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TInt err = rep->FindL(
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currentDomainKey|KUNSAFProtocolsSTUNAddressMask,
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KUNSAFProtocolsSubTableFieldTypeMask, stunKeys );
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const TInt stunKeyCount = stunKeys.Count();
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for ( TInt counter = 0 ; counter < stunKeyCount; counter++ )
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{
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TUint32 key = KUNSAFProtocolsSTUNAddressMask^
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stunKeys[counter];
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rep->Delete( key|KUNSAFProtocolsSTUNAddressMask );
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rep->Delete( key|KUNSAFProtocolsSTUNPortMask );
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rep->Delete( key|KUNSAFProtocolsSTUNUsernameMask );
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rep->Delete( key|KUNSAFProtocolsSTUNPasswordMask );
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}
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CleanupStack::PopAndDestroy( &stunKeys ); // CS:2
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// Set new keys.
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// Domain
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User::LeaveIfError( rep->Set( currentKey|KUNSAFProtocolsDomainMask,
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iDomain->Des() ));
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// STUN server address.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsSTUNServerMask|currentDomainKey,
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iStunSrvAddr->Des() ) );
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// Set the same value into STUN server table.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsSTUNAddressMask|stunKey,
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iStunSrvAddr->Des() ) );
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// STUN server port.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsSTUNServerPortMask|currentDomainKey,
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iStunSrvPort ) );
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// Set the same value into STUN server table.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsSTUNPortMask|stunKey,
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iStunSrvPort ) );
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// TCP refresh interval.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsDomainIntervalTCPMask|currentDomainKey,
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iTcpRefreshInterval ) );
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// UDP refresh interval.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsDomainIntervalUDPMask|currentDomainKey,
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iUdpRefreshInterval ) );
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// CRLF refresh.
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsDomainEnableCRLFRefresh|currentDomainKey,
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iCrlfRefresh ) );
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// STUN server username
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsSTUNUsernameMask|stunKey,
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iStunSrvUsername->Des() ) );
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// STUN server password
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User::LeaveIfError( rep->Set(
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KUNSAFProtocolsSTUNPasswordMask|stunKey,
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iStunSrvPassword->Des() ) );
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// STUN shared secret
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User::LeaveIfError( rep->Set( currentDomainKey|
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KUNSAFProtocolsDomainSharedSecretNotSupported,
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!iStunSharedSecret ) );
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// Start port range
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User::LeaveIfError( rep->Set(
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currentDomainKey|KUNSAFProtocolsPortPoolStartPortMask,
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iStartPortRange ) );
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// End port range.
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User::LeaveIfError( rep->Set(
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currentDomainKey|KUNSAFProtocolsPortPoolEndPortMask,
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iEndPortRange ) );
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// Used NAT protocol.
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User::LeaveIfError( rep->Set(
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currentDomainKey|KUNSAFProtocolsUsedNATProtocolMask,
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iNatProtocol->Des() ) );
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// ==============================
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// Additional STUN servers
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// ==============================
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//
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const TInt count = iAdditionalStunServers.Count();
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for ( TInt counter = 0; counter < count; counter++ )
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{
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stunKey |= KUNSAFProtocolsSubTableFieldTypeMask;
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stunKey++;
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stunKey |= KUNSAFProtocolsSubTableFieldTypeMask;
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stunKey ^= KUNSAFProtocolsSubTableFieldTypeMask;
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stunKey |= currentDomainKey;
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// STUNServerAddress
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User::LeaveIfError( rep->Create(
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KUNSAFProtocolsSTUNAddressMask|stunKey,
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iAdditionalStunServers[counter]->iStunSrvAddr ) );
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// STUNServerPort
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User::LeaveIfError( rep->Create(
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KUNSAFProtocolsSTUNPortMask|stunKey,
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iAdditionalStunServers[counter]->iStunSrvPort ) );
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424 |
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// STUNServerUsername
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|
426 |
User::LeaveIfError( rep->Create(
|
|
427 |
KUNSAFProtocolsSTUNUsernameMask|stunKey,
|
|
428 |
iAdditionalStunServers[counter]->iStunSrvUsername ) );
|
|
429 |
|
|
430 |
// STUNServerPassword
|
|
431 |
User::LeaveIfError( rep->Create(
|
|
432 |
KUNSAFProtocolsSTUNPasswordMask|stunKey,
|
|
433 |
iAdditionalStunServers[counter]->iStunSrvPassword ) );
|
|
434 |
}
|
|
435 |
|
|
436 |
// &keys, rep
|
|
437 |
CleanupStack::PopAndDestroy( 2, rep ); // CS:0
|
|
438 |
}
|
|
439 |
|
|
440 |
// End of file.
|