os/security/cryptoservices/certificateandkeymgmt/tasn1/testinvalidoid.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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/*
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* Copyright (c) 2006-2009 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 the License "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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* Implementation for testing object identifier decoding with invalid data
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*
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*/
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#include "testinvalidoid.h"
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#include "tasn1normaltest.h"
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#include <asn1enc.h>
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#include <asn1dec.h>
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#include <e32cons.h>
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#include <e32math.h>
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const TInt KNumberOftests = 2;
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CTestInvalidOID* CTestInvalidOID::NewL(CASN1NormalTest &aASN1Action)
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	{
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	CTestInvalidOID* test = new (ELeave) CTestInvalidOID(aASN1Action);
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	return test;
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	}
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CTestInvalidOID::CTestInvalidOID(CASN1NormalTest &aASN1Action) : CTestBase(aASN1Action)
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	{
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	};
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void CTestInvalidOID::GetName(TDes& aBuf)
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	{
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	aBuf.Copy(_L("Test Invalid Object Identifier"));
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	}
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void CTestInvalidOID::FillParameterArray(void)
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	{
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	iParameters->Append(CTestParameter::EString);
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	}
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TBool CTestInvalidOID::PerformTestsL(CConsoleBase& aConsole)
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	{
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	TASN1DecObjectIdentifier decoder;
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	TInt readLength = 0;
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	HBufC* decodedData= NULL;
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	TInt err = KErrNone;
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	TInt testNumber = 1;
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	// test some hardcoded examples of badly formed ASN1
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	/* check decoding of overflow example "1.2.826.0.1.1796587.1.1.1.72057594037927942"
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	from DEF099095: OID parsing error can cause X509.v3 extensions to be eclipsed */
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	_LIT8(KASN1overflow, "\x06\x14\x2A\x86\x3A\x00\x01\xED\xD3\x6B\x01\x01\x01\x81\x80\x80\x80\x80\x80\x80\x80\x06");
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	TRAP( err, decodedData = decoder.DecodeDERL(KASN1overflow, readLength));
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	if ((err == KErrOverflow ) && ( decodedData == NULL ))
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		{
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		iASN1Action.ReportProgressL(KErrNone, testNumber, KNumberOftests);
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		}
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	else
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		{
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		aConsole.Write(_L("ERROR!\nShould NOT be able to decode \n"));
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		iASN1Action.ReportProgressL(KErrASN1EncodingError, testNumber, KNumberOftests);
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		}		
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	testNumber++;
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	// check 30 bit value is ok 0x20000006 = 536870918
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	_LIT8(KASN130bit, "\x06\x10\x2A\x86\x3A\x00\x01\xED\xD3\x6B\x01\x01\x01\x82\x80\x80\x80\x06");
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	_LIT16(KASN130bitResult, "1.2.826.0.1.1796587.1.1.1.536870918");
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	err = KErrNone;
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	TRAP( err, decodedData = decoder.DecodeDERL(KASN130bit, readLength));
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	TPtr pData = decodedData->Des();
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	if ((err == KErrNone ) && ( pData.Compare( KASN130bitResult ) ==0  )  )
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		{
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		iASN1Action.ReportProgressL(KErrNone, testNumber, KNumberOftests);
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		delete decodedData;
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		}
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	else
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		{
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		aConsole.Write(_L("ERROR!\nShould NOT be able to decode \n"));
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		iASN1Action.ReportProgressL(KErrASN1EncodingError, testNumber, KNumberOftests);
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		}		
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	testNumber++;
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	// check 31 bit value is ok 0x40000006 = 1073741830
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	_LIT8(KASN131bit, "\x06\x10\x2A\x86\x3A\x00\x01\xED\xD3\x6B\x01\x01\x01\x84\x80\x80\x80\x06");
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	_LIT16(KASN131bitResult, "1.2.826.0.1.1796587.1.1.1.1073741830");
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	err = KErrNone;
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	readLength = 0;
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	TRAP( err, decodedData = decoder.DecodeDERL(KASN131bit, readLength));
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	pData = decodedData->Des();
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	if ((err == KErrNone ) && ( pData.Compare( KASN131bitResult ) ==0  ))
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		{
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		iASN1Action.ReportProgressL(KErrNone, testNumber, KNumberOftests);
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		delete decodedData;
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		decodedData = 0;
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		}
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	else
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		{
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		aConsole.Write(_L("ERROR!\nShould NOT be able to decode \n"));
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		iASN1Action.ReportProgressL(KErrASN1EncodingError, testNumber, KNumberOftests);
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		}		
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	testNumber++;
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	// check 32 bit value does NOT decode 0x80000006 = 2147483654
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	_LIT8(KASN132bit, "\x06\x10\x2A\x86\x3A\x00\x01\xED\xD3\x6B\x01\x01\x01\x88\x80\x80\x80\x06");
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	err = KErrNone;
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	readLength = 0;
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	TRAP( err, decodedData = decoder.DecodeDERL(KASN132bit, readLength));
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	if ((err == KErrOverflow ) && ( decodedData == NULL ))
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		{
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 		iASN1Action.ReportProgressL(KErrNone, testNumber, KNumberOftests);
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		}
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	else
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		{
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		aConsole.Write(_L("ERROR!\nShould NOT be able to decode \n"));
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		iASN1Action.ReportProgressL(KErrASN1EncodingError, testNumber, KNumberOftests);
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		}		
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	testNumber++;
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	// check that too many ids causes KErrOverflow, "1.1.1.1.1.1.1.1.1.1.1.1.1.1.1.1" 
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	_LIT8(KASN1ToManyIds, "\x06\x13\x2A\x86\x3A\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01");
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	err = KErrNone;
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	readLength = 0;
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	TRAP( err, decodedData = decoder.DecodeDERL(KASN1ToManyIds, readLength));
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	if ((err == KErrOverflow ) && ( decodedData == NULL ))
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		{
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		iASN1Action.ReportProgressL(KErrNone, testNumber, KNumberOftests);
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		}
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	else
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		{
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		aConsole.Write(_L("ERROR!\nShould NOT be able to decode \n"));
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		iASN1Action.ReportProgressL(KErrASN1EncodingError, testNumber, KNumberOftests);
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		}		
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	/* some more examples of Bad ASN encoding can be added here */
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	return(ETrue);
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	}
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