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/*
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* Copyright (c) 2000-2009 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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* This file contains the implementation of the directory string ASN1 object
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*
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*/
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#include "X500dec.h"
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/*
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This file contains the implementation of the following ASN1 data structures:
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DirectoryString ::= CHOICE {
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teletexString TeletexString (SIZE (1..MAX)),
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printableString PrintableString (SIZE (1..MAX)),
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universalString UniversalString (SIZE (1..MAX)),
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utf8String UTF8String (SIZE (1..MAX)),
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bmpString BMPString (SIZE(1..MAX)) }
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*/
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TASN1DecX500DirectoryString::TASN1DecX500DirectoryString(void):
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iMaxLength(KMaxTInt)
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{
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}
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HBufC* TASN1DecX500DirectoryString::DecodeDERL(const TDesC8& aSource,TInt& aPos, TInt aMaxLength)
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{
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TPtrC8 Ptr=aSource.Right(aSource.Length()-aPos);
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TASN1DecGeneric gen(Ptr);
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gen.InitL();
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aPos+=gen.LengthDER();
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HBufC* Object=DecodeContentsL(gen, aMaxLength);
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return Object;
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}
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HBufC* TASN1DecX500DirectoryString::DecodeDERL(const TASN1DecGeneric& aSource, TInt aMaxLength)
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{
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return DecodeContentsL(aSource, aMaxLength);
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}
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HBufC* TASN1DecX500DirectoryString::DecodeContentsL(const TASN1DecGeneric& aSource, TInt aMaxLength)
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{
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HBufC* res = NULL;
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switch (aSource.Tag())
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{
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case EASN1TeletexString:
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{
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TASN1DecTeletexString tStr;
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res = tStr.DecodeDERL(aSource);
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break;
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}
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case EASN1PrintableString:
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{
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TASN1DecPrintableString pStr;
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res = pStr.DecodeDERL(aSource);
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break;
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}
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case EASN1IA5String:
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{
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TASN1DecIA5String pStr;
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res = pStr.DecodeDERL(aSource);
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break;
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}
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case EASN1UTF8String:
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{
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TASN1DecUTF8String pStr;
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res = pStr.DecodeDERL(aSource);
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break;
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}
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case EASN1BMPString:
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{
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TASN1DecBMPString pStr;
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res = pStr.DecodeDERL(aSource);
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break;
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}
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default:
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{
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User::Leave(KErrNotSupported);
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break;
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}
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}
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if (res->Length() > aMaxLength)
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{
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delete res;
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User::Leave(KErrArgument);
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}
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return res;
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}
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void TASN1DecX500DirectoryString::SetMaxLength(TInt aLength)
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// perhaps this should have some kind of testing to make sure the current
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// contents are valid...this is not as easy as it might first appear, the
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// contents might be eight or sixteen bits.
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{
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iMaxLength=aLength;
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}
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