author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:03:15 +0200 | |
changeset 0 | 307788aac0a8 |
child 6 | 43c4dec3cb1f |
permissions | -rw-r--r-- |
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// Copyright (c) 2008-2009 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: |
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// Name : CSIPSecChallengeAKA.cpp |
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// Part of : SIPSec/DigestPlugin |
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// Version : SIP/6.0 |
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// |
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#include "SipLogs.h" |
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#include "CSIPSecChallengeAKA.h" |
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#include "CSIPSecDigest.h" |
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#include "CSIPSecSIMRecord.h" |
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#include "CSIPSecDigestPlugin.h" |
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#include "sipsecdigestcontext.h" |
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#include "sipstrings.h" |
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#include "sipstrconsts.h" |
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#include <imcvcodc.h> |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::CSIPSecAlgAKA |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPSecChallengeAKA::CSIPSecChallengeAKA( CSIPSecDigest::TChallengeType aType, |
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CSIPSecRequestData::TQop aQop ) : |
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CSIPSecChallengeMD5( aType, aQop ) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::NewLC |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPSecChallengeAKA* |
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CSIPSecChallengeAKA::NewLC( CSIPSecDigest::TChallengeType aType, |
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CSIPAuthenticateHeaderBase& aAuthenticateHeader, |
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CSIPSecRequestData::TQop aQop ) |
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{ |
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CSIPSecChallengeAKA* self = new ( ELeave ) CSIPSecChallengeAKA( aType, |
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aQop ); |
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CleanupStack::PushL( self ); |
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self->ConstructL( aAuthenticateHeader ); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::~CSIPSecChallengeAKA |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPSecChallengeAKA::~CSIPSecChallengeAKA() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::VerifyTypeL |
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// ----------------------------------------------------------------------------- |
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// |
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void CSIPSecChallengeAKA::VerifyTypeL( CSIPSecUserRecord::TType aType ) const |
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{ |
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__ASSERT_ALWAYS( aType == CSIPSecUserRecord::EIMS, |
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User::Leave( KErrPermissionDenied ) ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::CreateUserRecordL |
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// ----------------------------------------------------------------------------- |
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// |
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CSIPSecUserRecord* |
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CSIPSecChallengeAKA::CreateUserRecordL( const TDesC8& aRealm, |
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const MSIPSecUser& aUser, |
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TRegistrationId aRegistrationId, |
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TTransactionId aTransactionId, |
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TUint aResponseCode ) const |
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{ |
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CSIPSecSIMRecord* record = CSIPSecSIMRecord::NewL( aRealm, |
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aUser, |
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aRegistrationId, |
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aTransactionId ); |
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record->UpdateMessageCounter( aResponseCode ); |
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return record; |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::SupportedAlgorithm |
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// ----------------------------------------------------------------------------- |
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// |
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RStringF CSIPSecChallengeAKA::SupportedAlgorithm() |
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{ |
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return SIPStrings::StringF( SipStrConsts::EAKAv1MD5 ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::AlgorithmName |
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// ----------------------------------------------------------------------------- |
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// |
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RStringF CSIPSecChallengeAKA::AlgorithmName() const |
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{ |
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return CSIPSecChallengeAKA::SupportedAlgorithm(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::ProcessResponseL |
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// ----------------------------------------------------------------------------- |
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// |
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TBool CSIPSecChallengeAKA::ProcessResponseL( TSIPSecDigestCtxSetup& aContext, |
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TBool& aAskCredentials ) const |
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{ |
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// AKA gets credentials from SIM card, not from MSIPSecUser |
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aAskCredentials = EFalse; |
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|
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CSIPSecSIMRecord& userData = |
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static_cast< CSIPSecSIMRecord& >( aContext.UserData() ); |
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if ( userData.IsValid() ) |
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{ |
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if ( userData.Failure() == CSIPSecSIMRecord::ESQN ) |
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{ |
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const TInt KBase64EncodedAutsLength = 20; |
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HBufC8* auts = HBufC8::NewLC( KBase64EncodedAutsLength ); |
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TPtr8 autsPtr( auts->Des() ); |
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|
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TImCodecB64 encoder; |
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User::LeaveIfError( encoder.Encode( userData.AUTS(), autsPtr ) ); |
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aContext.SetParamValueL( SipStrConsts::EAuts, *auts ); |
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|
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CleanupStack::PopAndDestroy( auts ); |
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} |
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if ( userData.SecretData().Length() == 0 ) |
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{ |
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CalculateSecretDataA1L( aContext ); |
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} |
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return EFalse; |
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} |
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|
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aContext.RequestUserCredentialsL(); |
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return ETrue; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CSIPSecChallengeAKA::ProcessRequestL |
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// ----------------------------------------------------------------------------- |
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// |
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void |
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CSIPSecChallengeAKA::ProcessRequestL( TSIPSecDigestCtxProcess& aContext ) const |
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{ |
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__SIP_LOG( "SIPSecChallAKA:ProcessRequestL" ) |
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|
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CSIPSecSIMRecord& userData = |
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static_cast< CSIPSecSIMRecord& >( aContext.UserData() ); |
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__ASSERT_ALWAYS ( userData.Failure() != CSIPSecSIMRecord::EPrivateIdentity, |
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User::Leave( KErrGeneral ) ); |
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|
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if ( userData.Failure() == CSIPSecSIMRecord::EMAC ) |
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{ |
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__SIP_LOG( "MAC failure, set empty nonce&response" ) |
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|
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aContext.SetParamWithEmptyValueL( SipStrConsts::ENonce ); |
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aContext.SetParamWithEmptyValueL( SipStrConsts::EResponse ); |
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} |
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else |
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{ |
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if ( userData.Failure() == CSIPSecSIMRecord::ESQN && |
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aContext.Parent().Plugin().EmptyResponseAfterSqnFailure() ) |
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{ |
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__SIP_LOG( "set empty response parameter after SQN" ) |
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aContext.SetParamWithEmptyValueL( SipStrConsts::EResponse ); |
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} |
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else |
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{ |
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CSIPSecChallengeMD5::ProcessRequestL( aContext ); |
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} |
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} |
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} |