1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #include <cmscertchoice.h>

    20 #include "pkcs7asn1.h"

    21 #include <asn1dec.h>

    22 #include <x509cert.h>

    23 #include <asn1enc.h>

    24 #include "cmsutils.h"

    25 

    26 //Implementation of CMS Certificate Choice

    27 

    28 CCmsCertificateChoice* CCmsCertificateChoice::NewL(const TDesC8& aRawData)

    29 	{

    30 	CCmsCertificateChoice* self = new (ELeave) CCmsCertificateChoice();

    31 	CleanupStack::PushL(self);

    32 	self->ConstructL(aRawData);

    33 	CleanupStack::Pop(self);

    34 	return self;

    35 	}

    36 

    37 CCmsCertificateChoice::~CCmsCertificateChoice()

    38 	{

    39 	delete iCertificate;

    40 	delete iEncodedAttributeCertificate;

    41 	}

    42 

    43 CCmsCertificateChoice::CCmsCertificateChoice()

    44 	{

    45 	}

    46 

    47 void CCmsCertificateChoice::ConstructL(const TDesC8& aRawData)

    48 	{

    49 	TASN1DecGeneric decGen(aRawData);

    50 	decGen.InitL();

    51 		

    52 	if (decGen.Tag()==EASN1Sequence && decGen.Class()==EUniversal)

    53 		{

    54 		// x509 certificates

    55 		iCertificateType=ECertificateX509;

    56 		iCertificate = CX509Certificate::NewL(aRawData);

    57 		}

    58 	else if (decGen.Tag()==1 && decGen.Class()==EContextSpecific)

    59 			{

    60 			// Attribute certificate

    61 			iCertificateType=ECertificateAttribute;

    62 			CASN1EncEncoding* enc=CASN1EncEncoding::NewLC(aRawData, EASN1Sequence, EUniversal);

    63 			iEncodedAttributeCertificate=CmsUtils::CreateDEREncodingLC(*enc);

    64 			CleanupStack::Pop(iEncodedAttributeCertificate);

    65 			CleanupStack::PopAndDestroy(enc);

    66 			}

    67 		else if (decGen.Tag()==0 && decGen.Class()==EContextSpecific)

    68 				{

    69 				// extended certificates not supported

    70 				iCertificateType=ECertificateExtendedCerificate;

    71 				User::Leave(KErrNotSupported);

    72 				}

    73 			else

    74 				{

    75 				User::Leave(KErrArgument);	

    76 				}		

    77 	}

    78 

    79 EXPORT_C const CX509Certificate& CCmsCertificateChoice::Certificate(void) const

    80 	{

    81 	return *iCertificate;

    82 	}

    83 

    84 CCmsCertificateChoice* CCmsCertificateChoice::NewLC(const CX509Certificate& aCertificate)

    85 	{	

    86 	CCmsCertificateChoice* self = new (ELeave) CCmsCertificateChoice();

    87 	CleanupStack::PushL(self);

    88 	self->ConstructL(aCertificate);

    89 	return self;

    90 	}

    91 

    92 CCmsCertificateChoice* CCmsCertificateChoice::NewL(const CX509Certificate& aCertificate)

    93 	{

    94 	CCmsCertificateChoice* self = CCmsCertificateChoice::NewLC(aCertificate);

    95 	CleanupStack::Pop();

    96 	return self;

    97 	}

    98 

    99 	

   100 CCmsCertificateChoice* CCmsCertificateChoice::NewLC(TCertificateType aCertType, const TDesC8& aEncodedCertificate)

   101 	{		

   102 	CCmsCertificateChoice* self = new (ELeave) CCmsCertificateChoice();

   103 	CleanupStack::PushL(self);

   104 	self->ConstructL(aCertType, aEncodedCertificate);

   105 	return self;

   106 	}

   107 

   108 CCmsCertificateChoice* CCmsCertificateChoice::NewL(TCertificateType aCertType, const TDesC8& aEncodedCertificate)

   109 	{

   110 	CCmsCertificateChoice* self = CCmsCertificateChoice::NewLC(aCertType, aEncodedCertificate);

   111 	CleanupStack::Pop();

   112 	return self;

   113 	}

   114 

   115 void CCmsCertificateChoice::ConstructL(const CX509Certificate& aCertificate)

   116 	{

   117 	iCertificateType=ECertificateX509;

   118 	iCertificate=CX509Certificate::NewL(aCertificate);

   119 	}

   120 

   121 void CCmsCertificateChoice::ConstructL(TCertificateType aCertType, const TDesC8& aEncodedCertificate)

   122 	{

   123 	iCertificateType=aCertType;

   124 	if (aCertType==ECertificateAttribute)

   125 		{

   126 		iEncodedAttributeCertificate=aEncodedCertificate.AllocL();	

   127 		}

   128 	else if (aCertType==ECertificateX509)

   129 			{

   130 			iCertificate=CX509Certificate::NewL(aEncodedCertificate);	

   131 			}

   132 		 else

   133 			 {

   134 			 User::Leave(KErrNotSupported);	

   135 			 }

   136 	}

   137 	

   138 

   139 EXPORT_C const HBufC8* CCmsCertificateChoice::AttributeCertificate() const

   140 	{

   141 	return iEncodedAttributeCertificate;

   142 	}

   143 

   144 CASN1EncEncoding* CCmsCertificateChoice::EncodeASN1DERLC() const

   145 	{

   146 	CASN1EncEncoding* enc(NULL);

   147 	if (iCertificateType==ECertificateX509)

   148 		{

   149 		enc=CASN1EncEncoding::NewLC(iCertificate->Encoding());

   150 		}

   151 	else if (iCertificateType==ECertificateAttribute)

   152 			{

   153 			TASN1DecGeneric decGen(*iEncodedAttributeCertificate);

   154 			decGen.InitL();

   155 			if (decGen.Tag()!=EASN1Sequence)

   156 				{

   157 				User::Leave(KErrArgument);	

   158 				}

   159 			enc=CASN1EncEncoding::NewLC(*iEncodedAttributeCertificate, 1, EContextSpecific);

   160 			}

   161 		else

   162 			{

   163 			//Extended Certificate

   164 			User::Leave(KErrNotSupported);

   165 			}

   166 	return enc;

   167 	}

   168 

   169 EXPORT_C CCmsCertificateChoice::TCertificateType CCmsCertificateChoice::CertificateType()

   170 	{

   171 	return iCertificateType;

   172 	}