sl@0: /*
sl@0: * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "pkcs12safebag.h"
sl@0: #include <pkcs12bags.h>
sl@0: 
sl@0: using namespace PKCS12;
sl@0: 
sl@0: CDecPkcs12SafeBag::CDecPkcs12SafeBag()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CDecPkcs12SafeBag* CDecPkcs12SafeBag::NewL(const TDesC8& aSafeBagData)
sl@0: 	{
sl@0: 	TASN1DecGeneric seqGen(aSafeBagData);
sl@0: 	seqGen.InitL();
sl@0: 	
sl@0: 	// Check if this is a Sequence
sl@0: 	if (seqGen.Tag() != EASN1Sequence || seqGen.Class() != EUniversal)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	
sl@0: 	TASN1DecSequence seq;
sl@0: 	CArrayPtrFlat<TASN1DecGeneric>* safeBagSequence = seq.DecodeDERLC(seqGen);
sl@0: 
sl@0: 	// Check for BagId, BagId is an ObjectIdentifier
sl@0: 	const TASN1DecGeneric* safeBagSequenceAt0 = safeBagSequence->At(0);
sl@0: 	if (safeBagSequenceAt0->Tag() != EASN1ObjectIdentifier || safeBagSequenceAt0->Class() != EUniversal)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	TASN1DecObjectIdentifier oid;
sl@0:   	HBufC* bagId = oid.DecodeDERL(*safeBagSequenceAt0);
sl@0: 	CleanupStack::PushL(bagId);
sl@0: 	CDecPkcs12SafeBag* safeBag = NULL;
sl@0: 	
sl@0: 	// If BagType is a KeyBag.	
sl@0: 	if( *bagId == KPkcs12KeyBagOID )
sl@0: 		{
sl@0: 		safeBag = CDecPkcs12KeyBag::NewL(aSafeBagData);
sl@0: 		}
sl@0: 	// If BagType is a Shrouded KeyBag.
sl@0: 	else if( *bagId == KPkcs12ShroudedKeyBagOID )
sl@0: 		{
sl@0: 		safeBag = CDecPkcs12ShroudedKeyBag::NewL(aSafeBagData);
sl@0: 		}
sl@0: 	// If bagType is a CertBag.
sl@0: 	else if( *bagId == KPkcs12CertBagOID )
sl@0: 		{
sl@0: 		safeBag = CDecPkcs12CertBag::NewL(aSafeBagData);
sl@0: 		}
sl@0: 	// If Bag Type is a SafeContentsBag.
sl@0: 	else if( *bagId == KPkcs12SafeContentsBagOID )
sl@0: 		{
sl@0: 		safeBag = CDecPkcs12SafeContentsBag::NewL(aSafeBagData);
sl@0: 		}
sl@0: 	// If Bag Type is a CrlBag.
sl@0: 	else if ( *bagId == KPkcs12CrlBagOID )
sl@0: 		{
sl@0: 		safeBag = new(ELeave) CDecPkcs12SafeBag();
sl@0: 		CleanupStack::PushL(safeBag);
sl@0: 		safeBag->ConstructL(aSafeBagData);
sl@0: 		CleanupStack::Pop(safeBag);
sl@0: 		}
sl@0: 	// If Bag Type is a Secret Bag.
sl@0: 	else if ( *bagId == KPkcs12SecretBagOID )
sl@0: 		{
sl@0: 		safeBag = new(ELeave) CDecPkcs12SafeBag();
sl@0: 		CleanupStack::PushL(safeBag);
sl@0: 		safeBag->ConstructL(aSafeBagData);
sl@0: 		CleanupStack::Pop(safeBag);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrNotSupported);	
sl@0: 		}	
sl@0: 	CleanupStack::PopAndDestroy(2,safeBagSequence); // safeBagSequence, bagId.
sl@0: 	return safeBag;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CDecPkcs12SafeBag::~CDecPkcs12SafeBag()
sl@0: 	{
sl@0: 	iBagAttributes.ResetAndDestroy();
sl@0: 	iBagAttributes.Close();
sl@0: 	}
sl@0: 	
sl@0: void CDecPkcs12SafeBag::ConstructL(const TDesC8& aSafeBagData)
sl@0: 	{
sl@0: 	// This is SafeBag Sequence
sl@0: 	TASN1DecGeneric seqGen(aSafeBagData);
sl@0: 	seqGen.InitL();
sl@0: 	
sl@0: 	// Check if this is a Sequence
sl@0: 	if (seqGen.Tag() != EASN1Sequence || seqGen.Class() != EUniversal)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	
sl@0: 	TASN1DecSequence seq;
sl@0: 	CArrayPtrFlat<TASN1DecGeneric>* safeBagSequence = seq.DecodeDERLC(seqGen);
sl@0: 	const TASN1DecGeneric* safeBagSequenceAt0 = safeBagSequence->At(0);
sl@0: 	// Obtain the BagId from the SafeBag Sequence
sl@0: 	 if (safeBagSequenceAt0->Tag() != EASN1ObjectIdentifier || safeBagSequenceAt0->Class() != EUniversal)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 		
sl@0: 	TASN1DecObjectIdentifier oid;
sl@0: 	HBufC* bagId = oid.DecodeDERL(*(safeBagSequence->At(0)));
sl@0: 
sl@0: 	// If BagType is a KeyBag	
sl@0: 	if(*bagId == KPkcs12KeyBagOID)
sl@0: 		{
sl@0: 		iBagId = EKeyBag;
sl@0: 		}
sl@0: 	// If BagType is a Shrouded KeyBag	
sl@0: 	else if( *bagId == KPkcs12ShroudedKeyBagOID )
sl@0: 		{
sl@0: 		iBagId = EShroudedKeyBag;
sl@0: 		}
sl@0: 	// If bagType is a CertBag
sl@0: 	else if( *bagId == KPkcs12CertBagOID )
sl@0: 		{
sl@0: 		iBagId = ECertBag;
sl@0: 		}
sl@0: 	else if ( *bagId == KPkcs12CrlBagOID )
sl@0: 		{
sl@0: 		iBagId = ECrlBag;
sl@0: 		}
sl@0: 	else if ( *bagId == KPkcs12SecretBagOID )
sl@0: 		{
sl@0: 		iBagId = ESecretBag;
sl@0: 		}
sl@0: 	// If Bag Type is a SafeContentsBag
sl@0: 	else if( *bagId == KPkcs12SafeContentsBagOID )
sl@0: 		{
sl@0: 		iBagId = ESafeContentsBag;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrNotSupported);	
sl@0: 		}	
sl@0: 	delete bagId;	 
sl@0: 	// Obtain the BagValue from the SafeBag Sequence. The SafeBag contains a KeyBag 
sl@0: 	// or a ShroudedKeyBag.
sl@0: 	const TASN1DecGeneric* safeBagSequenceAt1 = safeBagSequence->At(1);
sl@0: 	if (safeBagSequenceAt1->Tag() == EASN1EOC || safeBagSequenceAt1->Class() == EContextSpecific)
sl@0: 		{
sl@0: 		TASN1DecGeneric seqGen(safeBagSequence->At(1)->GetContentDER());
sl@0: 		seqGen.InitL();
sl@0: 		
sl@0: 		iBagValue.Set(seqGen.Encoding());
sl@0: 		}
sl@0:    	else
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	// Obtain the BagAttribute from the SafeBag Sequence. ATTRIBUTES ARE OPTIONAL
sl@0: 	if (safeBagSequence->Count() == 3)
sl@0: 		{
sl@0: 		TASN1DecGeneric seqGen(*(safeBagSequence->At(2)));
sl@0: 	    seqGen.InitL();
sl@0: 	    
sl@0: 		// Check if this is a Set
sl@0: 		if (seqGen.Tag() != EASN1Set || seqGen.Class() != EUniversal)
sl@0: 			{
sl@0: 			User::Leave(KErrArgument);
sl@0: 			}   
sl@0: 		// Set
sl@0: 		TASN1DecSet decSet;
sl@0:         CArrayPtrFlat<TASN1DecGeneric>* attributeSet = decSet.NewDERLC((safeBagSequence->At(2)->Encoding()));
sl@0:                 
sl@0:         TInt attributeSetCount = attributeSet->Count();
sl@0:         for ( TInt index = 0; index < attributeSetCount; index++ )
sl@0:         	{
sl@0:         	const TDesC8& attribute(attributeSet->At(index)->Encoding());
sl@0:         	CDecPkcs12Attribute* bagAttribute = CDecPkcs12Attribute::NewL(attribute);
sl@0:         	CleanupStack::PushL(bagAttribute);
sl@0:          	iBagAttributes.AppendL(bagAttribute);
sl@0:          	CleanupStack::Pop(bagAttribute);
sl@0:          	}
sl@0:         CleanupStack::PopAndDestroy(attributeSet); // attributeSet
sl@0:         }
sl@0: 	CleanupStack::PopAndDestroy(safeBagSequence); // safeBagSequence
sl@0: 	}
sl@0: 	
sl@0: EXPORT_C CDecPkcs12SafeBag::TBagId CDecPkcs12SafeBag::BagID() const
sl@0: 	{
sl@0: 	return iBagId;
sl@0: 	}
sl@0:  
sl@0: EXPORT_C const TDesC8& CDecPkcs12SafeBag::BagValue() const
sl@0: 	{
sl@0: 	return iBagValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const RPointerArray<CDecPkcs12Attribute>& CDecPkcs12SafeBag::BagAttributes() const
sl@0: 	{
sl@0: 	return iBagAttributes;
sl@0: 	}
sl@0: