--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pkiutilities/ocsp/src/requestencoder.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,220 @@
+// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Implementation for OCSP request encoder object
+// 
+//
+
+#include "requestencoder.h"
+#include "certid.h"
+#include "oids.h"
+#include "ocsp.h"
+#include "panic.h"
+#include <asn1enc.h>
+
+COCSPRequestEncoder* COCSPRequestEncoder::NewL(const COCSPRequest& aRequest)
+	{
+	COCSPRequestEncoder* self = new (ELeave) COCSPRequestEncoder();
+	CleanupStack::PushL(self);
+	self->ConstructL(aRequest);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+
+COCSPRequestEncoder::COCSPRequestEncoder()
+	{
+	}
+
+
+COCSPRequestEncoder::~COCSPRequestEncoder()
+	{
+	delete iEncoding;
+	}
+
+
+const TDesC8& COCSPRequestEncoder::Encoding() const
+	{
+	return *iEncoding;
+	}
+
+
+void COCSPRequestEncoder::ConstructL(const COCSPRequest& aRequest)
+	{
+	// Get encoder
+	CASN1EncBase* encoder = MakeOCSPRequestEncLC(aRequest);
+	
+	// Make buffer
+	TUint length = encoder->LengthDER();
+	iEncoding = HBufC8::NewMaxL(length);
+	TPtr8 buf = iEncoding->Des();
+	
+	// Write data
+	TUint position = 0;
+	encoder->WriteDERL(buf, position);
+	
+	CleanupStack::PopAndDestroy(encoder);
+	}
+
+
+// Static helper method - encapsulates a commonly-dupliciated peice of code
+void COCSPRequestEncoder::AddAndPopChildL(CASN1EncContainer& aParent, CASN1EncBase* aChild)
+	{
+	if (aChild)
+		{
+		aParent.AddChildL(aChild);
+		CleanupStack::Pop(aChild); // Now owned by aParent
+		}
+	}
+
+
+CASN1EncBase* COCSPRequestEncoder::MakeOCSPRequestEncLC(const COCSPRequest& aRequest)
+	{
+	CASN1EncSequence* ocspRequest = CASN1EncSequence::NewLC();
+
+	CASN1EncBase* tbsRequest = MakeTBSRequestEncLC(aRequest);
+	AddAndPopChildL(*ocspRequest, tbsRequest);
+
+	return ocspRequest;
+	}
+
+
+CASN1EncBase* COCSPRequestEncoder::MakeTBSRequestEncLC(const COCSPRequest& aRequest)
+	{
+	CASN1EncSequence* tbsRequest = CASN1EncSequence::NewLC();
+
+	// version - int 0, explicitly tagged as 0
+	// Excluded, since this is the default value, and we're using DER
+
+	// Skip GeneralName - we don't support that, and it is optional
+
+	// Cert requestList
+	CASN1EncBase* requestList = MakeRequestListEncLC(aRequest);
+	AddAndPopChildL(*tbsRequest, requestList);
+
+	// Global request extensions - optional, explicitly tagged [2]
+	CASN1EncBase* extensions = MakeRequestExtensionsEncLC(aRequest);
+	if (extensions)
+		{
+		CleanupStack::Pop(extensions); // Will be owned by explicit tag
+		CASN1EncExplicitTag* taggedExtensions = CASN1EncExplicitTag::NewLC(extensions, 2);
+		AddAndPopChildL(*tbsRequest, taggedExtensions);
+		}
+
+	return tbsRequest;
+	}
+
+
+CASN1EncBase* COCSPRequestEncoder::MakeRequestListEncLC(const COCSPRequest& aRequest)
+	{
+	CASN1EncSequence* requestList = CASN1EncSequence::NewLC();
+
+	// Request objects - one for each cert
+	TUint numCerts = aRequest.CertCount();
+	ASSERT(numCerts > 0);
+
+	for (TUint index = 0; index < numCerts; ++index)
+		{
+		const COCSPCertID& certId = aRequest.CertInfo(index).CertID();
+		CASN1EncBase* certEnc = MakeCertRequestEncLC(certId);
+		AddAndPopChildL(*requestList, certEnc);
+		}
+
+	return requestList;
+	}
+
+
+// Make encoder for the request object for a particular cert
+CASN1EncBase* COCSPRequestEncoder::MakeCertRequestEncLC(const COCSPCertID& aCertId)
+	{
+	CASN1EncSequence* request = CASN1EncSequence::NewLC();
+
+	// CertID
+	CASN1EncBase* certIdEnc = aCertId.EncoderLC();
+	AddAndPopChildL(*request, certIdEnc);
+
+	return request;
+	}
+
+
+CASN1EncBase* COCSPRequestEncoder::MakeRequestExtensionsEncLC(const COCSPRequest& aRequest)
+	{
+	CASN1EncSequence* extns = CASN1EncSequence::NewLC();
+
+	// Nonce extension (if present)
+	CASN1EncBase* nonceExtn = MakeNonceExtnEncLC(aRequest);
+	AddAndPopChildL(*extns, nonceExtn);
+
+	// Response type extentions
+	CASN1EncBase* responseTypeExtn = MakeResponseTypeExtnEncLC();
+	AddAndPopChildL(*extns, responseTypeExtn);
+
+	return extns;
+	}
+
+
+// Response type.  Is a sequence, with OID, default bool, and octet string
+// for contents.  In this case the octet string contains a sequence
+// of OIDs specifying the acceptable response types.
+CASN1EncBase* COCSPRequestEncoder::MakeResponseTypeExtnEncLC()
+	{
+	CASN1EncSequence* extn = CASN1EncSequence::NewLC();
+
+	// OID
+	CASN1EncObjectIdentifier* oid = CASN1EncObjectIdentifier::NewLC(KOCSPOidResponse);
+	AddAndPopChildL(*extn, oid);
+
+	// Skip Critical flag since we want default value FALSE and this is DER
+
+	// Acceptable responses - takes a bit of work, so bear with it...
+
+	// First, make sequence containing the OID for our response type
+	CASN1EncSequence* responses = CASN1EncSequence::NewLC();
+	CASN1EncObjectIdentifier* basic = CASN1EncObjectIdentifier::NewLC(KOCSPOidBasic);
+	AddAndPopChildL(*responses, basic);
+
+	// Second, encode this into a descriptor
+	TBuf8<KOCSPMaxOidEncodingLength> buf(responses->LengthDER());
+	TUint pos = 0;
+	responses->WriteDERL(buf, pos);
+	CleanupStack::PopAndDestroy(responses); // Finished with that now
+
+	// Third, make Octet string encoder from this data + add to extn
+	CASN1EncOctetString* value = CASN1EncOctetString::NewLC(buf);
+	AddAndPopChildL(*extn, value);
+
+	return extn;
+	}
+
+
+CASN1EncBase* COCSPRequestEncoder::MakeNonceExtnEncLC(const COCSPRequest& aRequest)
+	{
+	CASN1EncSequence* extn = NULL;
+
+	if (aRequest.Nonce())
+		{
+		extn = CASN1EncSequence::NewLC();
+
+		// OID
+		CASN1EncObjectIdentifier* oid = CASN1EncObjectIdentifier::NewLC(KOCSPOidNonce);
+		AddAndPopChildL(*extn, oid);
+		
+		// Skip Critical flag since we want default value FALSE and this is DER
+		
+		// Place nonce into extension
+		CASN1EncOctetString* value = CASN1EncOctetString::NewLC(*aRequest.Nonce());
+		AddAndPopChildL(*extn, value);
+		}
+		
+	return extn;
+	}