author | hgs |
Thu, 30 Sep 2010 14:52:25 +0300 | |
changeset 60 | b99ca49838a8 |
parent 0 | 164170e6151a |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2001-2009 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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// Implement response cert info object methods |
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// |
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// |
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#include "certid.h" |
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#include <ocsp.h> |
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#include <asn1dec.h> |
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#include "ocsprequestandresponse.h" |
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const TUint KNextUpdateTag = 0; |
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const TUint KSingleExtensionsTag = 1; |
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const TUint KGoodTag = 0; |
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const TUint KRevokedTag = 1; |
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const TUint KUnknownTag = 2; |
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COCSPResponseCertInfo* COCSPResponseCertInfo::NewLC(CArrayPtr<TASN1DecGeneric>& aItems) |
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{ |
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COCSPResponseCertInfo* self = new (ELeave) COCSPResponseCertInfo; |
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CleanupStack::PushL(self); |
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self->ConstructL(aItems); |
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return self; |
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} |
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COCSPResponseCertInfo::~COCSPResponseCertInfo() |
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{ |
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delete iNextUpdate; |
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delete iRevocationTime; |
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delete iCertID; |
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} |
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EXPORT_C OCSP::TResult COCSPResponseCertInfo::Status() const |
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{ |
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return iStatus; |
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} |
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EXPORT_C TTime COCSPResponseCertInfo::ThisUpdate() const |
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{ |
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return iThisUpdate; |
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} |
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EXPORT_C const TTime* COCSPResponseCertInfo::NextUpdate() const |
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{ |
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return iNextUpdate; |
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} |
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EXPORT_C const TTime* COCSPResponseCertInfo::RevocationTime() const |
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{ |
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return iRevocationTime; |
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} |
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COCSPCertID& COCSPResponseCertInfo::CertID() const |
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{ |
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return *iCertID; |
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} |
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void COCSPResponseCertInfo::ConstructL(CArrayPtr<TASN1DecGeneric>& aItems) |
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{ |
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// The CertID |
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iCertID = COCSPCertID::NewL(aItems.At(0)->Encoding()); |
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|
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// The cert status - implicitly tagged |
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TASN1DecGeneric& statusDec = *aItems.At(1); |
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switch(statusDec.Tag()) |
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{ |
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case KGoodTag: |
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iStatus = OCSP::EGood; |
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break; |
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case KRevokedTag: |
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{ |
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iStatus = OCSP::ERevoked; |
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// Get revocation time |
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TASN1DecSequence seqDec; |
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CArrayPtr<TASN1DecGeneric>* revokedInfo = seqDec.DecodeDERLC(statusDec, 1, 2); |
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TASN1DecGeneric& revocationTimeDec = *revokedInfo->At(0); |
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if (revocationTimeDec.Tag() != EASN1GeneralizedTime) |
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{ |
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User::Leave(OCSP::EMalformedResponse); |
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} |
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TASN1DecGeneralizedTime decGT; |
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iRevocationTime = new (ELeave) TTime(decGT.DecodeDERL(revocationTimeDec)); |
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CleanupStack::PopAndDestroy(revokedInfo); |
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break; |
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108 |
} |
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case KUnknownTag: |
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iStatus = OCSP::EUnknown; |
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break; |
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112 |
default: |
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User::Leave(OCSP::EMalformedResponse); |
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} |
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115 |
|
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// Carry on with thisUpdate |
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TASN1DecGeneralizedTime decGT; |
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iThisUpdate = decGT.DecodeDERL(*aItems.At(2)); |
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119 |
|
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// Optional bits... |
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TInt numItems = aItems.Count(); |
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if (numItems > 3) |
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123 |
{ |
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TInt nextItem = 3; |
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125 |
|
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// Maybe nextUpdate is there too |
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TASN1DecGeneric& item4 = *aItems.At(3); |
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if (item4.Tag() == KNextUpdateTag) |
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129 |
{ |
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++nextItem; |
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TASN1DecGeneralizedTime decGT; |
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TInt pos = 0; |
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iNextUpdate = new (ELeave) TTime (decGT.DecodeDERL(item4.GetContentDER(), pos)); |
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} |
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135 |
|
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// Check for extensions - we don't support any, but we need to leave if there are any marked 'critical' |
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if (nextItem < numItems) |
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138 |
{ |
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TASN1DecGeneric& extnList = *aItems.At(nextItem); |
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if (extnList.Tag() == KSingleExtensionsTag) |
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141 |
{ |
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// OK, we've got extensions, with an explicit tag. Loop through them... |
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TASN1DecSequence decSeq; |
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TInt pos = 0; |
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CArrayPtr<TASN1DecGeneric>* extns = decSeq.DecodeDERLC(extnList.GetContentDER(), pos); |
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TInt numExts = extns->Count(); |
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for (TInt extIndex = 0; extIndex < numExts; ++extIndex) |
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148 |
{ |
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TASN1DecGeneric& ext = *extns->At(extIndex); |
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CArrayPtr<TASN1DecGeneric>* terms = decSeq.DecodeDERLC(ext); |
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151 |
|
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// Check critical flag (may be absent - default value false |
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if (terms->Count() == 3) |
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154 |
{ |
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TASN1DecBoolean boolDec; |
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if (boolDec.DecodeDERL(*terms->At(1))) |
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157 |
{ |
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User::Leave(OCSP::EUnknownCriticalExtension); |
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} |
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} |
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CleanupStack::PopAndDestroy(); // Clean up 'terms' |
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} |
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CleanupStack::PopAndDestroy(); // Clean up 'extns' |
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} |
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} |
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166 |
} |
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} |